mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-15 09:50:16 +02:00
bd75f9f768
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21038 3c298f89-4303-0410-b956-a3cf2f4a3e73
3125 lines
92 KiB
Diff
3125 lines
92 KiB
Diff
--- a/arch/mips/Kconfig
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+++ b/arch/mips/Kconfig
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@@ -60,6 +60,19 @@ config BCM47XX
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help
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Support for BCM47XX based boards
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+config ATHEROS_AR231X
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+ bool "Atheros 231x/531x SoC support"
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+ select CEVT_R4K
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+ select CSRC_R4K
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+ select DMA_NONCOHERENT
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+ select IRQ_CPU
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+ select SYS_HAS_CPU_MIPS32_R1
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+ select SYS_SUPPORTS_BIG_ENDIAN
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+ select SYS_SUPPORTS_32BIT_KERNEL
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+ select GENERIC_GPIO
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+ help
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+ Support for AR231x and AR531x based boards
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+
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config MIPS_COBALT
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bool "Cobalt Server"
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select CEVT_R4K
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@@ -633,6 +646,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
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endchoice
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+source "arch/mips/ar231x/Kconfig"
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source "arch/mips/alchemy/Kconfig"
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source "arch/mips/basler/excite/Kconfig"
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source "arch/mips/jazz/Kconfig"
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--- a/arch/mips/Makefile
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+++ b/arch/mips/Makefile
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@@ -283,6 +283,13 @@ libs-$(CONFIG_MIPS_XXS1500) += arch/mips
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load-$(CONFIG_MIPS_XXS1500) += 0xffffffff80100000
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#
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+# Atheros AR5312/AR2312 WiSoC
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+#
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+core-$(CONFIG_ATHEROS_AR231X) += arch/mips/ar231x/
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+cflags-$(CONFIG_ATHEROS_AR231X) += -I$(srctree)/arch/mips/include/asm/mach-ar231x
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+load-$(CONFIG_ATHEROS_AR231X) += 0xffffffff80041000
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+
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+#
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# Cobalt Server
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#
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core-$(CONFIG_MIPS_COBALT) += arch/mips/cobalt/
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--- /dev/null
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+++ b/arch/mips/ar231x/Kconfig
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@@ -0,0 +1,17 @@
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+config ATHEROS_AR5312
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+ bool "Atheros 5312/2312+ support"
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+ depends on ATHEROS_AR231X
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+ default y
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+
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+config ATHEROS_AR2315
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+ bool "Atheros 2315+ support"
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+ depends on ATHEROS_AR231X
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+ select DMA_NONCOHERENT
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+ select CEVT_R4K
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+ select CSRC_R4K
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+ select IRQ_CPU
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+ select SYS_HAS_CPU_MIPS32_R1
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+ select SYS_SUPPORTS_32BIT_KERNEL
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+ select SYS_SUPPORTS_BIG_ENDIAN
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+ select GENERIC_GPIO
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+ default y
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--- /dev/null
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+++ b/arch/mips/ar231x/Makefile
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@@ -0,0 +1,13 @@
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+#
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+# This file is subject to the terms and conditions of the GNU General Public
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+# License. See the file "COPYING" in the main directory of this archive
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+# for more details.
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+#
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+# Copyright (C) 2006 FON Technology, SL.
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+# Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
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+# Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
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+#
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+
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+obj-y += board.o prom.o devices.o
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+obj-$(CONFIG_ATHEROS_AR5312) += ar5312.o
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+obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
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--- /dev/null
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+++ b/arch/mips/ar231x/board.c
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@@ -0,0 +1,251 @@
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+/*
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+ * This file is subject to the terms and conditions of the GNU General Public
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+ * License. See the file "COPYING" in the main directory of this archive
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+ * for more details.
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+ *
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+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
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+ * Copyright (C) 2006 FON Technology, SL.
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+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
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+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
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+ */
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+
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+#include <linux/autoconf.h>
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/types.h>
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+#include <linux/string.h>
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+#include <linux/platform_device.h>
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+#include <linux/kernel.h>
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+#include <linux/random.h>
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+#include <linux/etherdevice.h>
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+#include <asm/irq_cpu.h>
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+#include <asm/reboot.h>
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+#include <asm/io.h>
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+
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+#include <ar231x_platform.h>
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+#include "devices.h"
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+#include "ar5312.h"
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+#include "ar2315.h"
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+
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+void (*ar231x_irq_dispatch)(void);
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+
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+static inline bool
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+check_radio_magic(u8 *addr)
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+{
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+ addr += 0x7a; /* offset for flash magic */
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+ if ((addr[0] == 0x5a) && (addr[1] == 0xa5)) {
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+ return 1;
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+ }
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+ return 0;
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+}
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+
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+static inline bool
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+check_board_data(u8 *flash_limit, u8 *addr, bool broken)
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+{
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+ /* config magic found */
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+ if (*((u32 *)addr) == AR531X_BD_MAGIC)
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+ return 1;
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+
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+ if (!broken)
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+ return 0;
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+
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+ if (check_radio_magic(addr + 0xf8))
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+ ar231x_board.radio = addr + 0xf8;
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+ if ((addr < flash_limit + 0x10000) &&
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+ check_radio_magic(addr + 0x10000))
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+ ar231x_board.radio = addr + 0x10000;
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+
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+ if (ar231x_board.radio) {
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+ /* broken board data detected, use radio data to find the offset,
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+ * user will fix this */
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+ return 1;
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+ }
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+ return 0;
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+}
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+
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+static u8 *
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+find_board_config(u8 *flash_limit, bool broken)
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+{
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+ u8 *addr;
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+ int found = 0;
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+
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+ for (addr = flash_limit - 0x1000;
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+ addr >= flash_limit - 0x30000;
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+ addr -= 0x1000) {
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+
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+ if (check_board_data(flash_limit, addr, broken)) {
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+ found = 1;
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+ break;
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+ }
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+ }
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+
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+ if (!found)
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+ addr = NULL;
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+
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+ return addr;
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+}
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+
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+static u8 *
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+find_radio_config(u8 *flash_limit, u8 *board_config)
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+{
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+ int found;
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+ u8 *radio_config;
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+
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+ /*
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+ * Now find the start of Radio Configuration data, using heuristics:
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+ * Search forward from Board Configuration data by 0x1000 bytes
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+ * at a time until we find non-0xffffffff.
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+ */
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+ found = 0;
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+ for (radio_config = board_config + 0x1000;
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+ (radio_config < flash_limit);
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+ radio_config += 0x1000) {
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+ if ((*(u32 *)radio_config != 0xffffffff) &&
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+ check_radio_magic(radio_config)) {
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+ found = 1;
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+ break;
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+ }
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+ }
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+
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+ /* AR2316 relocates radio config to new location */
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+ if (!found) {
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+ for (radio_config = board_config + 0xf8;
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+ (radio_config < flash_limit - 0x1000 + 0xf8);
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+ radio_config += 0x1000) {
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+ if ((*(u32 *)radio_config != 0xffffffff) &&
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+ check_radio_magic(radio_config)) {
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+ found = 1;
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+ break;
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+ }
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+ }
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+ }
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+
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+ if (!found) {
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+ printk("Could not find Radio Configuration data\n");
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+ radio_config = 0;
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+ }
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+
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+ return (u8 *) radio_config;
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+}
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+
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+int __init
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+ar231x_find_config(u8 *flash_limit)
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+{
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+ struct ar231x_boarddata *config;
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+ unsigned int rcfg_size;
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+ int broken_boarddata = 0;
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+ u8 *bcfg, *rcfg;
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+ u8 *board_data;
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+ u8 *radio_data;
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+ u32 offset;
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+
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+ ar231x_board.config = NULL;
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+ ar231x_board.radio = NULL;
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+ /* Copy the board and radio data to RAM, because accessing the mapped
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+ * memory of the flash directly after booting is not safe */
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+
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+ /* Try to find valid board and radio data */
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+ bcfg = find_board_config(flash_limit, false);
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+
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+ /* If that fails, try to at least find valid radio data */
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+ if (!bcfg) {
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+ bcfg = find_board_config(flash_limit, true);
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+ broken_boarddata = 1;
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+ }
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+
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+ if (!bcfg) {
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+ printk(KERN_WARNING "WARNING: No board configuration data found!\n");
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+ return -ENODEV;
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+ }
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+
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+ board_data = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL);
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+ ar231x_board.config = (struct ar231x_boarddata *) board_data;
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+ memcpy(board_data, bcfg, 0x100);
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+ if (broken_boarddata) {
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+ printk(KERN_WARNING "WARNING: broken board data detected\n");
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+ config = ar231x_board.config;
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+ if (!memcmp(config->enet0_mac, "\x00\x00\x00\x00\x00\x00", 6)) {
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+ printk(KERN_INFO "Fixing up empty mac addresses\n");
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+ config->resetConfigGpio = 0xffff;
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+ config->sysLedGpio = 0xffff;
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+ random_ether_addr(config->wlan0_mac);
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+ config->wlan0_mac[0] &= ~0x06;
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+ random_ether_addr(config->enet0_mac);
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+ random_ether_addr(config->enet1_mac);
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+ }
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+ }
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+
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+
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+ /* Radio config starts 0x100 bytes after board config, regardless
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+ * of what the physical layout on the flash chip looks like */
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+
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+ if (ar231x_board.radio)
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+ rcfg = (u8 *) ar231x_board.radio;
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+ else
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+ rcfg = find_radio_config(flash_limit, bcfg);
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+
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+ if (!rcfg)
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+ return -ENODEV;
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+
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+ radio_data = board_data + 0x100 + ((rcfg - bcfg) & 0xfff);
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+ ar231x_board.radio = radio_data;
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+ offset = radio_data - board_data;
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+ printk(KERN_INFO "Radio config found at offset 0x%x(0x%x)\n", rcfg - bcfg, offset);
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+ rcfg_size = BOARD_CONFIG_BUFSZ - offset;
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+ memcpy(radio_data, rcfg, rcfg_size);
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+
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+ return 0;
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+}
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+
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+static void
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+ar231x_halt(void)
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+{
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+ local_irq_disable();
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+ while (1);
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+}
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+
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+void __init
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+plat_mem_setup(void)
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+{
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+ _machine_halt = ar231x_halt;
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+ pm_power_off = ar231x_halt;
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+
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+ ar5312_plat_setup();
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+ ar2315_plat_setup();
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+
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+ /* Disable data watchpoints */
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+ write_c0_watchlo0(0);
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+}
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+
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+
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+asmlinkage void
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+plat_irq_dispatch(void)
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+{
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+ ar231x_irq_dispatch();
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+}
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+
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+void __init
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+plat_time_init(void)
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+{
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+ ar5312_time_init();
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+ ar2315_time_init();
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+}
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+
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+unsigned int __cpuinit
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+get_c0_compare_int(void)
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+{
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+ return CP0_LEGACY_COMPARE_IRQ;
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+}
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+
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+void __init
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+arch_init_irq(void)
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+{
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+ clear_c0_status(ST0_IM);
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+ mips_cpu_irq_init();
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+
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+ /* Initialize interrupt controllers */
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+ ar5312_irq_init();
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+ ar2315_irq_init();
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+}
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+
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+
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--- /dev/null
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+++ b/arch/mips/ar231x/prom.c
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@@ -0,0 +1,37 @@
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+/*
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+ * This file is subject to the terms and conditions of the GNU General Public
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+ * License. See the file "COPYING" in the main directory of this archive
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+ * for more details.
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+ *
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+ * Copyright MontaVista Software Inc
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+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
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+ * Copyright (C) 2006 FON Technology, SL.
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+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
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+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
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+ */
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+
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+/*
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+ * Prom setup file for ar531x
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/autoconf.h>
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+#include <linux/kernel.h>
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+#include <linux/string.h>
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+#include <linux/mm.h>
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+#include <linux/bootmem.h>
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+
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+#include <asm/bootinfo.h>
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+#include <asm/addrspace.h>
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+#include "ar5312.h"
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+#include "ar2315.h"
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+
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+void __init prom_init(void)
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+{
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+ ar5312_prom_init();
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+ ar2315_prom_init();
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+}
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+
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+void __init prom_free_prom_memory(void)
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+{
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+}
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--- /dev/null
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+++ b/arch/mips/include/asm/mach-ar231x/ar231x_platform.h
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@@ -0,0 +1,83 @@
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+#ifndef __AR531X_PLATFORM_H
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+#define __AR531X_PLATFORM_H
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+
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+/*
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+ * This is board-specific data that is stored in a "fixed" location in flash.
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+ * It is shared across operating systems, so it should not be changed lightly.
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+ * The main reason we need it is in order to extract the ethernet MAC
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+ * address(es).
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+ */
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+struct ar231x_boarddata {
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+ u32 magic; /* board data is valid */
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+#define AR531X_BD_MAGIC 0x35333131 /* "5311", for all 531x platforms */
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+ u16 cksum; /* checksum (starting with BD_REV 2) */
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+ u16 rev; /* revision of this struct */
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+#define BD_REV 4
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+ char boardName[64]; /* Name of board */
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+ u16 major; /* Board major number */
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+ u16 minor; /* Board minor number */
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+ u32 flags; /* Board configuration */
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+#define BD_ENET0 0x00000001 /* ENET0 is stuffed */
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+#define BD_ENET1 0x00000002 /* ENET1 is stuffed */
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+#define BD_UART1 0x00000004 /* UART1 is stuffed */
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+#define BD_UART0 0x00000008 /* UART0 is stuffed (dma) */
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+#define BD_RSTFACTORY 0x00000010 /* Reset factory defaults stuffed */
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+#define BD_SYSLED 0x00000020 /* System LED stuffed */
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+#define BD_EXTUARTCLK 0x00000040 /* External UART clock */
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+#define BD_CPUFREQ 0x00000080 /* cpu freq is valid in nvram */
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+#define BD_SYSFREQ 0x00000100 /* sys freq is set in nvram */
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+#define BD_WLAN0 0x00000200 /* Enable WLAN0 */
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+#define BD_MEMCAP 0x00000400 /* CAP SDRAM @ memCap for testing */
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+#define BD_DISWATCHDOG 0x00000800 /* disable system watchdog */
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+#define BD_WLAN1 0x00001000 /* Enable WLAN1 (ar5212) */
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+#define BD_ISCASPER 0x00002000 /* FLAG for AR2312 */
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+#define BD_WLAN0_2G_EN 0x00004000 /* FLAG for radio0_2G */
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+#define BD_WLAN0_5G_EN 0x00008000 /* FLAG for radio0_2G */
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+#define BD_WLAN1_2G_EN 0x00020000 /* FLAG for radio0_2G */
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+#define BD_WLAN1_5G_EN 0x00040000 /* FLAG for radio0_2G */
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+ u16 resetConfigGpio; /* Reset factory GPIO pin */
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+ u16 sysLedGpio; /* System LED GPIO pin */
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+
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+ u32 cpuFreq; /* CPU core frequency in Hz */
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+ u32 sysFreq; /* System frequency in Hz */
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+ u32 cntFreq; /* Calculated C0_COUNT frequency */
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+
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+ u8 wlan0_mac[6];
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+ u8 enet0_mac[6];
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+ u8 enet1_mac[6];
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+
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+ u16 pciId; /* Pseudo PCIID for common code */
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+ u16 memCap; /* cap bank1 in MB */
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+
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+ /* version 3 */
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+ u8 wlan1_mac[6]; /* (ar5212) */
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+};
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+
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+#define BOARD_CONFIG_BUFSZ 0x1000
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+
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+/*
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+ * Platform device information for the Wireless MAC
|
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+ */
|
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+struct ar231x_board_config {
|
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+ u16 devid;
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+
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+ /* board config data */
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+ struct ar231x_boarddata *config;
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+
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+ /* radio calibration data */
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+ const char *radio;
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+};
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+
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+/*
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+ * Platform device information for the Ethernet MAC
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+ */
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+struct ar231x_eth {
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+ u32 reset_base;
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+ u32 reset_mac;
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+ u32 reset_phy;
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+ u32 phy_base;
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+ struct ar231x_board_config *config;
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+ char *macaddr;
|
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+};
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+
|
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+#endif /* __AR531X_PLATFORM_H */
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--- /dev/null
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+++ b/arch/mips/include/asm/mach-ar231x/cpu-feature-overrides.h
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@@ -0,0 +1,84 @@
|
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+/*
|
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+ * Atheros SoC specific CPU feature overrides
|
|
+ *
|
|
+ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
|
|
+ *
|
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+ * This file was derived from: include/asm-mips/cpu-features.h
|
|
+ * Copyright (C) 2003, 2004 Ralf Baechle
|
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+ * Copyright (C) 2004 Maciej W. Rozycki
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License version 2 as published
|
|
+ * by the Free Software Foundation.
|
|
+ *
|
|
+ */
|
|
+#ifndef __ASM_MACH_ATHEROS_CPU_FEATURE_OVERRIDES_H
|
|
+#define __ASM_MACH_ATHEROS_CPU_FEATURE_OVERRIDES_H
|
|
+
|
|
+/*
|
|
+ * The ATHEROS SoCs have MIPS 4Kc/4KEc core.
|
|
+ */
|
|
+#define cpu_has_tlb 1
|
|
+#define cpu_has_4kex 1
|
|
+#define cpu_has_3k_cache 0
|
|
+#define cpu_has_4k_cache 1
|
|
+#define cpu_has_tx39_cache 0
|
|
+#define cpu_has_sb1_cache 0
|
|
+#define cpu_has_fpu 0
|
|
+#define cpu_has_32fpr 0
|
|
+#define cpu_has_counter 1
|
|
+/* #define cpu_has_watch ? */
|
|
+/* #define cpu_has_divec ? */
|
|
+/* #define cpu_has_vce ? */
|
|
+/* #define cpu_has_cache_cdex_p ? */
|
|
+/* #define cpu_has_cache_cdex_s ? */
|
|
+/* #define cpu_has_prefetch ? */
|
|
+/* #define cpu_has_mcheck ? */
|
|
+#define cpu_has_ejtag 1
|
|
+
|
|
+#if !defined(CONFIG_ATHEROS_AR5312)
|
|
+# define cpu_has_llsc 1
|
|
+#else
|
|
+/*
|
|
+ * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
|
|
+ * ll/sc instructions.
|
|
+ */
|
|
+# define cpu_has_llsc 0
|
|
+#endif
|
|
+
|
|
+#define cpu_has_mips16 0
|
|
+#define cpu_has_mdmx 0
|
|
+#define cpu_has_mips3d 0
|
|
+#define cpu_has_smartmips 0
|
|
+
|
|
+/* #define cpu_has_vtag_icache ? */
|
|
+/* #define cpu_has_dc_aliases ? */
|
|
+/* #define cpu_has_ic_fills_f_dc ? */
|
|
+/* #define cpu_has_pindexed_dcache ? */
|
|
+
|
|
+/* #define cpu_icache_snoops_remote_store ? */
|
|
+
|
|
+#define cpu_has_mips32r1 1
|
|
+
|
|
+#if !defined(CONFIG_ATHEROS_AR5312)
|
|
+# define cpu_has_mips32r2 1
|
|
+#endif
|
|
+
|
|
+#define cpu_has_mips64r1 0
|
|
+#define cpu_has_mips64r2 0
|
|
+
|
|
+#define cpu_has_dsp 0
|
|
+#define cpu_has_mipsmt 0
|
|
+
|
|
+/* #define cpu_has_nofpuex ? */
|
|
+#define cpu_has_64bits 0
|
|
+#define cpu_has_64bit_zero_reg 0
|
|
+#define cpu_has_64bit_gp_regs 0
|
|
+#define cpu_has_64bit_addresses 0
|
|
+
|
|
+/* #define cpu_has_inclusive_pcaches ? */
|
|
+
|
|
+/* #define cpu_dcache_line_size() ? */
|
|
+/* #define cpu_icache_line_size() ? */
|
|
+
|
|
+#endif /* __ASM_MACH_ATHEROS_CPU_FEATURE_OVERRIDES_H */
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-ar231x/dma-coherence.h
|
|
@@ -0,0 +1,62 @@
|
|
+/*
|
|
+ * This file is subject to the terms and conditions of the GNU General Public
|
|
+ * License. See the file "COPYING" in the main directory of this archive
|
|
+ * for more details.
|
|
+ *
|
|
+ * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
|
|
+ * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
|
|
+ *
|
|
+ */
|
|
+#ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H
|
|
+#define __ASM_MACH_GENERIC_DMA_COHERENCE_H
|
|
+
|
|
+#define PCI_DMA_OFFSET 0x20000000
|
|
+
|
|
+struct device;
|
|
+
|
|
+static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
|
|
+{
|
|
+ return virt_to_phys(addr) + (dev != NULL ? PCI_DMA_OFFSET : 0);
|
|
+}
|
|
+
|
|
+static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
|
|
+{
|
|
+ return page_to_phys(page) + (dev != NULL ? PCI_DMA_OFFSET : 0);
|
|
+}
|
|
+
|
|
+static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
|
|
+{
|
|
+ return (dma_addr > PCI_DMA_OFFSET ? dma_addr - PCI_DMA_OFFSET : dma_addr);
|
|
+}
|
|
+
|
|
+static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr)
|
|
+{
|
|
+}
|
|
+
|
|
+static inline int plat_dma_supported(struct device *dev, u64 mask)
|
|
+{
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+static inline void plat_extra_sync_for_device(struct device *dev)
|
|
+{
|
|
+ return;
|
|
+}
|
|
+
|
|
+static inline int plat_dma_mapping_error(struct device *dev,
|
|
+ dma_addr_t dma_addr)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline int plat_device_is_coherent(struct device *dev)
|
|
+{
|
|
+#ifdef CONFIG_DMA_COHERENT
|
|
+ return 1;
|
|
+#endif
|
|
+#ifdef CONFIG_DMA_NONCOHERENT
|
|
+ return 0;
|
|
+#endif
|
|
+}
|
|
+
|
|
+#endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-ar231x/gpio.h
|
|
@@ -0,0 +1,79 @@
|
|
+#ifndef _ATHEROS_GPIO_H_
|
|
+#define _ATHEROS_GPIO_H_
|
|
+
|
|
+#include <ar231x.h>
|
|
+
|
|
+struct ar231x_gpiodev {
|
|
+ u32 valid_mask;
|
|
+ u32 (*get_output)(void);
|
|
+ u32 (*set_output)(u32 mask, u32 val);
|
|
+ u32 (*get)(void);
|
|
+ u32 (*set)(u32 mask, u32 val);
|
|
+};
|
|
+
|
|
+extern const struct ar231x_gpiodev *ar231x_gpiodev;
|
|
+
|
|
+/*
|
|
+ * Wrappers for the generic GPIO layer
|
|
+ */
|
|
+
|
|
+static inline int gpio_direction_input(unsigned gpio) {
|
|
+ u32 mask = 1 << gpio;
|
|
+
|
|
+ if (!(ar231x_gpiodev->valid_mask & mask))
|
|
+ return -ENXIO;
|
|
+
|
|
+ ar231x_gpiodev->set_output(mask, 0);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline void gpio_set_value(unsigned gpio, int value) {
|
|
+ u32 mask = 1 << gpio;
|
|
+
|
|
+ if (!(ar231x_gpiodev->valid_mask & mask))
|
|
+ return;
|
|
+
|
|
+ ar231x_gpiodev->set(mask, (!!value) * mask);
|
|
+}
|
|
+
|
|
+static inline int gpio_direction_output(unsigned gpio, int value) {
|
|
+ u32 mask = 1 << gpio;
|
|
+
|
|
+ if (!(ar231x_gpiodev->valid_mask & mask))
|
|
+ return -ENXIO;
|
|
+
|
|
+ ar231x_gpiodev->set_output(mask, mask);
|
|
+ ar231x_gpiodev->set(mask, (!!value) * mask);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* Reads the gpio pin. Unchecked function */
|
|
+static inline int gpio_get_value(unsigned gpio) {
|
|
+ u32 mask = 1 << gpio;
|
|
+
|
|
+ if (!(ar231x_gpiodev->valid_mask & mask))
|
|
+ return 0;
|
|
+
|
|
+ return !!(ar231x_gpiodev->get() & mask);
|
|
+}
|
|
+
|
|
+static inline int gpio_request(unsigned gpio, const char *label) {
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline void gpio_free(unsigned gpio) {
|
|
+}
|
|
+
|
|
+/* Returns IRQ to attach for gpio. Unchecked function */
|
|
+static inline int gpio_to_irq(unsigned gpio) {
|
|
+ return AR531X_GPIO_IRQ(gpio);
|
|
+}
|
|
+
|
|
+/* Returns gpio for IRQ attached. Unchecked function */
|
|
+static inline int irq_to_gpio(unsigned irq) {
|
|
+ return (irq - (AR531X_GPIO_IRQ(0)));
|
|
+}
|
|
+
|
|
+#include <asm-generic/gpio.h> /* cansleep wrappers */
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-ar231x/reset.h
|
|
@@ -0,0 +1,6 @@
|
|
+#ifndef __AR531X_RESET_H
|
|
+#define __AR531X_RESET_H
|
|
+
|
|
+void ar531x_disable_reset_button(void);
|
|
+
|
|
+#endif /* __AR531X_RESET_H */
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-ar231x/war.h
|
|
@@ -0,0 +1,25 @@
|
|
+/*
|
|
+ * This file is subject to the terms and conditions of the GNU General Public
|
|
+ * License. See the file "COPYING" in the main directory of this archive
|
|
+ * for more details.
|
|
+ *
|
|
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
|
|
+ */
|
|
+#ifndef __ASM_MIPS_MACH_ATHEROS_WAR_H
|
|
+#define __ASM_MIPS_MACH_ATHEROS_WAR_H
|
|
+
|
|
+#define R4600_V1_INDEX_ICACHEOP_WAR 0
|
|
+#define R4600_V1_HIT_CACHEOP_WAR 0
|
|
+#define R4600_V2_HIT_CACHEOP_WAR 0
|
|
+#define R5432_CP0_INTERRUPT_WAR 0
|
|
+#define BCM1250_M3_WAR 0
|
|
+#define SIBYTE_1956_WAR 0
|
|
+#define MIPS4K_ICACHE_REFILL_WAR 0
|
|
+#define MIPS_CACHE_SYNC_WAR 0
|
|
+#define TX49XX_ICACHE_INDEX_INV_WAR 0
|
|
+#define RM9000_CDEX_SMP_WAR 0
|
|
+#define ICACHE_REFILLS_WORKAROUND_WAR 0
|
|
+#define R10000_LLSC_WAR 0
|
|
+#define MIPS34K_MISSED_ITLB_WAR 0
|
|
+
|
|
+#endif /* __ASM_MIPS_MACH_ATHEROS_WAR_H */
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-ar231x/ar2315_regs.h
|
|
@@ -0,0 +1,580 @@
|
|
+/*
|
|
+ * Register definitions for AR2315+
|
|
+ *
|
|
+ * This file is subject to the terms and conditions of the GNU General Public
|
|
+ * License. See the file "COPYING" in the main directory of this archive
|
|
+ * for more details.
|
|
+ *
|
|
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
|
|
+ * Copyright (C) 2006 FON Technology, SL.
|
|
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
|
|
+ * Copyright (C) 2006-2008 Felix Fietkau <nbd@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef __AR2315_REG_H
|
|
+#define __AR2315_REG_H
|
|
+
|
|
+/*
|
|
+ * IRQs
|
|
+ */
|
|
+#define AR2315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
|
|
+#define AR2315_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */
|
|
+#define AR2315_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */
|
|
+#define AR2315_IRQ_LCBUS_PCI MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */
|
|
+#define AR2315_IRQ_WLAN0_POLL MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */
|
|
+
|
|
+/*
|
|
+ * Address map
|
|
+ */
|
|
+#define AR2315_SPI_READ 0x08000000 /* SPI FLASH */
|
|
+#define AR2315_WLAN0 0xB0000000 /* Wireless MMR */
|
|
+#define AR2315_PCI 0xB0100000 /* PCI MMR */
|
|
+#define AR2315_SDRAMCTL 0xB0300000 /* SDRAM MMR */
|
|
+#define AR2315_LOCAL 0xB0400000 /* LOCAL BUS MMR */
|
|
+#define AR2315_ENET0 0xB0500000 /* ETHERNET MMR */
|
|
+#define AR2315_DSLBASE 0xB1000000 /* RESET CONTROL MMR */
|
|
+#define AR2315_UART0 0xB1100003 /* UART MMR */
|
|
+#define AR2315_SPI 0xB1300000 /* SPI FLASH MMR */
|
|
+#define AR2315_PCIEXT 0x80000000 /* pci external */
|
|
+
|
|
+/*
|
|
+ * Reset Register
|
|
+ */
|
|
+#define AR2315_COLD_RESET (AR2315_DSLBASE + 0x0000)
|
|
+
|
|
+#define AR2315_RESET_COLD_AHB 0x00000001
|
|
+#define AR2315_RESET_COLD_APB 0x00000002
|
|
+#define AR2315_RESET_COLD_CPU 0x00000004
|
|
+#define AR2315_RESET_COLD_CPUWARM 0x00000008
|
|
+#define AR2315_RESET_SYSTEM (RESET_COLD_CPU | RESET_COLD_APB | RESET_COLD_AHB) /* full system */
|
|
+#define AR2317_RESET_SYSTEM 0x00000010
|
|
+
|
|
+
|
|
+#define AR2315_RESET (AR2315_DSLBASE + 0x0004)
|
|
+
|
|
+#define AR2315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */
|
|
+#define AR2315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BaseBand */
|
|
+#define AR2315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */
|
|
+#define AR2315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */
|
|
+#define AR2315_RESET_MEMCTL 0x00000010 /* warm reset memory controller */
|
|
+#define AR2315_RESET_LOCAL 0x00000020 /* warm reset local bus */
|
|
+#define AR2315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */
|
|
+#define AR2315_RESET_SPI 0x00000080 /* warm reset SPI interface */
|
|
+#define AR2315_RESET_UART0 0x00000100 /* warm reset UART0 */
|
|
+#define AR2315_RESET_IR_RSVD 0x00000200 /* warm reset IR interface */
|
|
+#define AR2315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */
|
|
+#define AR2315_RESET_ENET0 0x00000800 /* cold reset ENET0 mac */
|
|
+
|
|
+/*
|
|
+ * AHB master arbitration control
|
|
+ */
|
|
+#define AR2315_AHB_ARB_CTL (AR2315_DSLBASE + 0x0008)
|
|
+
|
|
+#define AR2315_ARB_CPU 0x00000001 /* CPU, default */
|
|
+#define AR2315_ARB_WLAN 0x00000002 /* WLAN */
|
|
+#define AR2315_ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */
|
|
+#define AR2315_ARB_LOCAL 0x00000008 /* LOCAL */
|
|
+#define AR2315_ARB_PCI 0x00000010 /* PCI */
|
|
+#define AR2315_ARB_ETHERNET 0x00000020 /* Ethernet */
|
|
+#define AR2315_ARB_RETRY 0x00000100 /* retry policy, debug only */
|
|
+
|
|
+/*
|
|
+ * Config Register
|
|
+ */
|
|
+#define AR2315_ENDIAN_CTL (AR2315_DSLBASE + 0x000c)
|
|
+
|
|
+#define AR2315_CONFIG_AHB 0x00000001 /* EC - AHB bridge endianess */
|
|
+#define AR2315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */
|
|
+#define AR2315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */
|
|
+#define AR2315_CONFIG_PCI 0x00000008 /* PCI byteswap */
|
|
+#define AR2315_CONFIG_MEMCTL 0x00000010 /* Memory controller endianess */
|
|
+#define AR2315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */
|
|
+#define AR2315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */
|
|
+
|
|
+#define AR2315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */
|
|
+#define AR2315_CONFIG_CPU 0x00000400 /* CPU big endian */
|
|
+#define AR2315_CONFIG_PCIAHB 0x00000800
|
|
+#define AR2315_CONFIG_PCIAHB_BRIDGE 0x00001000
|
|
+#define AR2315_CONFIG_SPI 0x00008000 /* SPI byteswap */
|
|
+#define AR2315_CONFIG_CPU_DRAM 0x00010000
|
|
+#define AR2315_CONFIG_CPU_PCI 0x00020000
|
|
+#define AR2315_CONFIG_CPU_MMR 0x00040000
|
|
+#define AR2315_CONFIG_BIG 0x00000400
|
|
+
|
|
+
|
|
+/*
|
|
+ * NMI control
|
|
+ */
|
|
+#define AR2315_NMI_CTL (AR2315_DSLBASE + 0x0010)
|
|
+
|
|
+#define AR2315_NMI_EN 1
|
|
+
|
|
+/*
|
|
+ * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR531X 1.0).
|
|
+ */
|
|
+#define AR2315_SREV (AR2315_DSLBASE + 0x0014)
|
|
+
|
|
+#define AR2315_REV_MAJ 0x00f0
|
|
+#define AR2315_REV_MAJ_S 4
|
|
+#define AR2315_REV_MIN 0x000f
|
|
+#define AR2315_REV_MIN_S 0
|
|
+#define AR2315_REV_CHIP (AR2315_REV_MAJ|AR2315_REV_MIN)
|
|
+
|
|
+/*
|
|
+ * Interface Enable
|
|
+ */
|
|
+#define AR2315_IF_CTL (AR2315_DSLBASE + 0x0018)
|
|
+
|
|
+#define AR2315_IF_MASK 0x00000007
|
|
+#define AR2315_IF_DISABLED 0
|
|
+#define AR2315_IF_PCI 1
|
|
+#define AR2315_IF_TS_LOCAL 2
|
|
+#define AR2315_IF_ALL 3 /* only for emulation with separate pins */
|
|
+#define AR2315_IF_LOCAL_HOST 0x00000008
|
|
+#define AR2315_IF_PCI_HOST 0x00000010
|
|
+#define AR2315_IF_PCI_INTR 0x00000020
|
|
+#define AR2315_IF_PCI_CLK_MASK 0x00030000
|
|
+#define AR2315_IF_PCI_CLK_INPUT 0
|
|
+#define AR2315_IF_PCI_CLK_OUTPUT_LOW 1
|
|
+#define AR2315_IF_PCI_CLK_OUTPUT_CLK 2
|
|
+#define AR2315_IF_PCI_CLK_OUTPUT_HIGH 3
|
|
+#define AR2315_IF_PCI_CLK_SHIFT 16
|
|
+
|
|
+/*
|
|
+ * APB Interrupt control
|
|
+ */
|
|
+
|
|
+#define AR2315_ISR (AR2315_DSLBASE + 0x0020)
|
|
+#define AR2315_IMR (AR2315_DSLBASE + 0x0024)
|
|
+#define AR2315_GISR (AR2315_DSLBASE + 0x0028)
|
|
+
|
|
+#define AR2315_ISR_UART0 0x0001 /* high speed UART */
|
|
+#define AR2315_ISR_I2C_RSVD 0x0002 /* I2C bus */
|
|
+#define AR2315_ISR_SPI 0x0004 /* SPI bus */
|
|
+#define AR2315_ISR_AHB 0x0008 /* AHB error */
|
|
+#define AR2315_ISR_APB 0x0010 /* APB error */
|
|
+#define AR2315_ISR_TIMER 0x0020 /* timer */
|
|
+#define AR2315_ISR_GPIO 0x0040 /* GPIO */
|
|
+#define AR2315_ISR_WD 0x0080 /* watchdog */
|
|
+#define AR2315_ISR_IR_RSVD 0x0100 /* IR */
|
|
+
|
|
+#define AR2315_GISR_MISC 0x0001
|
|
+#define AR2315_GISR_WLAN0 0x0002
|
|
+#define AR2315_GISR_MPEGTS_RSVD 0x0004
|
|
+#define AR2315_GISR_LOCALPCI 0x0008
|
|
+#define AR2315_GISR_WMACPOLL 0x0010
|
|
+#define AR2315_GISR_TIMER 0x0020
|
|
+#define AR2315_GISR_ETHERNET 0x0040
|
|
+
|
|
+/*
|
|
+ * Interrupt routing from IO to the processor IP bits
|
|
+ * Define our inter mask and level
|
|
+ */
|
|
+#define AR2315_INTR_MISCIO SR_IBIT3
|
|
+#define AR2315_INTR_WLAN0 SR_IBIT4
|
|
+#define AR2315_INTR_ENET0 SR_IBIT5
|
|
+#define AR2315_INTR_LOCALPCI SR_IBIT6
|
|
+#define AR2315_INTR_WMACPOLL SR_IBIT7
|
|
+#define AR2315_INTR_COMPARE SR_IBIT8
|
|
+
|
|
+/*
|
|
+ * Timers
|
|
+ */
|
|
+#define AR2315_TIMER (AR2315_DSLBASE + 0x0030)
|
|
+#define AR2315_RELOAD (AR2315_DSLBASE + 0x0034)
|
|
+#define AR2315_WD (AR2315_DSLBASE + 0x0038)
|
|
+#define AR2315_WDC (AR2315_DSLBASE + 0x003c)
|
|
+
|
|
+#define AR2315_WDC_IGNORE_EXPIRATION 0x00000000
|
|
+#define AR2315_WDC_NMI 0x00000001 /* NMI on watchdog */
|
|
+#define AR2315_WDC_RESET 0x00000002 /* reset on watchdog */
|
|
+
|
|
+/*
|
|
+ * CPU Performance Counters
|
|
+ */
|
|
+#define AR2315_PERFCNT0 (AR2315_DSLBASE + 0x0048)
|
|
+#define AR2315_PERFCNT1 (AR2315_DSLBASE + 0x004c)
|
|
+
|
|
+#define AR2315_PERF0_DATAHIT 0x0001 /* Count Data Cache Hits */
|
|
+#define AR2315_PERF0_DATAMISS 0x0002 /* Count Data Cache Misses */
|
|
+#define AR2315_PERF0_INSTHIT 0x0004 /* Count Instruction Cache Hits */
|
|
+#define AR2315_PERF0_INSTMISS 0x0008 /* Count Instruction Cache Misses */
|
|
+#define AR2315_PERF0_ACTIVE 0x0010 /* Count Active Processor Cycles */
|
|
+#define AR2315_PERF0_WBHIT 0x0020 /* Count CPU Write Buffer Hits */
|
|
+#define AR2315_PERF0_WBMISS 0x0040 /* Count CPU Write Buffer Misses */
|
|
+
|
|
+#define AR2315_PERF1_EB_ARDY 0x0001 /* Count EB_ARdy signal */
|
|
+#define AR2315_PERF1_EB_AVALID 0x0002 /* Count EB_AValid signal */
|
|
+#define AR2315_PERF1_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */
|
|
+#define AR2315_PERF1_EB_RDVAL 0x0008 /* Count EB_RdVal signal */
|
|
+#define AR2315_PERF1_VRADDR 0x0010 /* Count valid read address cycles */
|
|
+#define AR2315_PERF1_VWADDR 0x0020 /* Count valid write address cycles */
|
|
+#define AR2315_PERF1_VWDATA 0x0040 /* Count valid write data cycles */
|
|
+
|
|
+/*
|
|
+ * AHB Error Reporting.
|
|
+ */
|
|
+#define AR2315_AHB_ERR0 (AR2315_DSLBASE + 0x0050) /* error */
|
|
+#define AR2315_AHB_ERR1 (AR2315_DSLBASE + 0x0054) /* haddr */
|
|
+#define AR2315_AHB_ERR2 (AR2315_DSLBASE + 0x0058) /* hwdata */
|
|
+#define AR2315_AHB_ERR3 (AR2315_DSLBASE + 0x005c) /* hrdata */
|
|
+#define AR2315_AHB_ERR4 (AR2315_DSLBASE + 0x0060) /* status */
|
|
+
|
|
+#define AHB_ERROR_DET 1 /* AHB Error has been detected, */
|
|
+ /* write 1 to clear all bits in ERR0 */
|
|
+#define AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */
|
|
+#define AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */
|
|
+
|
|
+#define AR2315_PROCERR_HMAST 0x0000000f
|
|
+#define AR2315_PROCERR_HMAST_DFLT 0
|
|
+#define AR2315_PROCERR_HMAST_WMAC 1
|
|
+#define AR2315_PROCERR_HMAST_ENET 2
|
|
+#define AR2315_PROCERR_HMAST_PCIENDPT 3
|
|
+#define AR2315_PROCERR_HMAST_LOCAL 4
|
|
+#define AR2315_PROCERR_HMAST_CPU 5
|
|
+#define AR2315_PROCERR_HMAST_PCITGT 6
|
|
+
|
|
+#define AR2315_PROCERR_HMAST_S 0
|
|
+#define AR2315_PROCERR_HWRITE 0x00000010
|
|
+#define AR2315_PROCERR_HSIZE 0x00000060
|
|
+#define AR2315_PROCERR_HSIZE_S 5
|
|
+#define AR2315_PROCERR_HTRANS 0x00000180
|
|
+#define AR2315_PROCERR_HTRANS_S 7
|
|
+#define AR2315_PROCERR_HBURST 0x00000e00
|
|
+#define AR2315_PROCERR_HBURST_S 9
|
|
+
|
|
+/*
|
|
+ * Clock Control
|
|
+ */
|
|
+#define AR2315_PLLC_CTL (AR2315_DSLBASE + 0x0064)
|
|
+#define AR2315_PLLV_CTL (AR2315_DSLBASE + 0x0068)
|
|
+#define AR2315_CPUCLK (AR2315_DSLBASE + 0x006c)
|
|
+#define AR2315_AMBACLK (AR2315_DSLBASE + 0x0070)
|
|
+#define AR2315_SYNCCLK (AR2315_DSLBASE + 0x0074)
|
|
+#define AR2315_DSL_SLEEP_CTL (AR2315_DSLBASE + 0x0080)
|
|
+#define AR2315_DSL_SLEEP_DUR (AR2315_DSLBASE + 0x0084)
|
|
+
|
|
+/* PLLc Control fields */
|
|
+#define PLLC_REF_DIV_M 0x00000003
|
|
+#define PLLC_REF_DIV_S 0
|
|
+#define PLLC_FDBACK_DIV_M 0x0000007C
|
|
+#define PLLC_FDBACK_DIV_S 2
|
|
+#define PLLC_ADD_FDBACK_DIV_M 0x00000080
|
|
+#define PLLC_ADD_FDBACK_DIV_S 7
|
|
+#define PLLC_CLKC_DIV_M 0x0001c000
|
|
+#define PLLC_CLKC_DIV_S 14
|
|
+#define PLLC_CLKM_DIV_M 0x00700000
|
|
+#define PLLC_CLKM_DIV_S 20
|
|
+
|
|
+/* CPU CLK Control fields */
|
|
+#define CPUCLK_CLK_SEL_M 0x00000003
|
|
+#define CPUCLK_CLK_SEL_S 0
|
|
+#define CPUCLK_CLK_DIV_M 0x0000000c
|
|
+#define CPUCLK_CLK_DIV_S 2
|
|
+
|
|
+/* AMBA CLK Control fields */
|
|
+#define AMBACLK_CLK_SEL_M 0x00000003
|
|
+#define AMBACLK_CLK_SEL_S 0
|
|
+#define AMBACLK_CLK_DIV_M 0x0000000c
|
|
+#define AMBACLK_CLK_DIV_S 2
|
|
+
|
|
+/*
|
|
+ * GPIO
|
|
+ */
|
|
+#define AR2315_GPIO_DI (AR2315_DSLBASE + 0x0088)
|
|
+#define AR2315_GPIO_DO (AR2315_DSLBASE + 0x0090)
|
|
+#define AR2315_GPIO_CR (AR2315_DSLBASE + 0x0098)
|
|
+#define AR2315_GPIO_INT (AR2315_DSLBASE + 0x00a0)
|
|
+
|
|
+#define AR2315_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
|
|
+#define AR2315_GPIO_CR_O(x) (1 << (x)) /* output */
|
|
+#define AR2315_GPIO_CR_I(x) (0) /* input */
|
|
+
|
|
+#define AR2315_GPIO_INT_S(x) (x) /* interrupt enable */
|
|
+#define AR2315_GPIO_INT_M (0x3F) /* mask for int */
|
|
+#define AR2315_GPIO_INT_LVL(x) ((x) << 6) /* interrupt level */
|
|
+#define AR2315_GPIO_INT_LVL_M ((0x3) << 6) /* mask for int level */
|
|
+
|
|
+#define AR2315_GPIO_INT_MAX_Y 1 /* Maximum value of Y for AR5313_GPIO_INT_* macros */
|
|
+#define AR2315_GPIO_INT_LVL_OFF 0 /* Triggerring off */
|
|
+#define AR2315_GPIO_INT_LVL_LOW 1 /* Low Level Triggered */
|
|
+#define AR2315_GPIO_INT_LVL_HIGH 2 /* High Level Triggered */
|
|
+#define AR2315_GPIO_INT_LVL_EDGE 3 /* Edge Triggered */
|
|
+
|
|
+#define AR2315_RESET_GPIO 5
|
|
+#define AR2315_NUM_GPIO 22
|
|
+
|
|
+/*
|
|
+ * PCI Clock Control
|
|
+ */
|
|
+#define AR2315_PCICLK (AR2315_DSLBASE + 0x00a4)
|
|
+
|
|
+#define AR2315_PCICLK_INPUT_M 0x3
|
|
+#define AR2315_PCICLK_INPUT_S 0
|
|
+
|
|
+#define AR2315_PCICLK_PLLC_CLKM 0
|
|
+#define AR2315_PCICLK_PLLC_CLKM1 1
|
|
+#define AR2315_PCICLK_PLLC_CLKC 2
|
|
+#define AR2315_PCICLK_REF_CLK 3
|
|
+
|
|
+#define AR2315_PCICLK_DIV_M 0xc
|
|
+#define AR2315_PCICLK_DIV_S 2
|
|
+
|
|
+#define AR2315_PCICLK_IN_FREQ 0
|
|
+#define AR2315_PCICLK_IN_FREQ_DIV_6 1
|
|
+#define AR2315_PCICLK_IN_FREQ_DIV_8 2
|
|
+#define AR2315_PCICLK_IN_FREQ_DIV_10 3
|
|
+
|
|
+/*
|
|
+ * Observation Control Register
|
|
+ */
|
|
+#define AR2315_OCR (AR2315_DSLBASE + 0x00b0)
|
|
+#define OCR_GPIO0_IRIN 0x0040
|
|
+#define OCR_GPIO1_IROUT 0x0080
|
|
+#define OCR_GPIO3_RXCLR 0x0200
|
|
+
|
|
+/*
|
|
+ * General Clock Control
|
|
+ */
|
|
+
|
|
+#define AR2315_MISCCLK (AR2315_DSLBASE + 0x00b4)
|
|
+#define MISCCLK_PLLBYPASS_EN 0x00000001
|
|
+#define MISCCLK_PROCREFCLK 0x00000002
|
|
+
|
|
+/*
|
|
+ * SDRAM Controller
|
|
+ * - No read or write buffers are included.
|
|
+ */
|
|
+#define AR2315_MEM_CFG (AR2315_SDRAMCTL + 0x00)
|
|
+#define AR2315_MEM_CTRL (AR2315_SDRAMCTL + 0x0c)
|
|
+#define AR2315_MEM_REF (AR2315_SDRAMCTL + 0x10)
|
|
+
|
|
+#define SDRAM_DATA_WIDTH_M 0x00006000
|
|
+#define SDRAM_DATA_WIDTH_S 13
|
|
+
|
|
+#define SDRAM_COL_WIDTH_M 0x00001E00
|
|
+#define SDRAM_COL_WIDTH_S 9
|
|
+
|
|
+#define SDRAM_ROW_WIDTH_M 0x000001E0
|
|
+#define SDRAM_ROW_WIDTH_S 5
|
|
+
|
|
+#define SDRAM_BANKADDR_BITS_M 0x00000018
|
|
+#define SDRAM_BANKADDR_BITS_S 3
|
|
+
|
|
+/*
|
|
+ * SPI Flash Interface Registers
|
|
+ */
|
|
+
|
|
+#define AR2315_SPI_CTL (AR2315_SPI + 0x00)
|
|
+#define AR2315_SPI_OPCODE (AR2315_SPI + 0x04)
|
|
+#define AR2315_SPI_DATA (AR2315_SPI + 0x08)
|
|
+
|
|
+#define SPI_CTL_START 0x00000100
|
|
+#define SPI_CTL_BUSY 0x00010000
|
|
+#define SPI_CTL_TXCNT_MASK 0x0000000f
|
|
+#define SPI_CTL_RXCNT_MASK 0x000000f0
|
|
+#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff
|
|
+#define SPI_CTL_SIZE_MASK 0x00060000
|
|
+
|
|
+#define SPI_CTL_CLK_SEL_MASK 0x03000000
|
|
+#define SPI_OPCODE_MASK 0x000000ff
|
|
+
|
|
+/*
|
|
+ * PCI Bus Interface Registers
|
|
+ */
|
|
+#define AR2315_PCI_1MS_REG (AR2315_PCI + 0x0008)
|
|
+#define AR2315_PCI_1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
|
|
+
|
|
+#define AR2315_PCI_MISC_CONFIG (AR2315_PCI + 0x000c)
|
|
+#define AR2315_PCIMISC_TXD_EN 0x00000001 /* Enable TXD for fragments */
|
|
+#define AR2315_PCIMISC_CFG_SEL 0x00000002 /* mem or config cycles */
|
|
+#define AR2315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */
|
|
+#define AR2315_PCIMISC_RST_MODE 0x00000030
|
|
+#define AR2315_PCIRST_INPUT 0x00000000 /* 4:5=0 rst is input */
|
|
+#define AR2315_PCIRST_LOW 0x00000010 /* 4:5=1 rst to GND */
|
|
+#define AR2315_PCIRST_HIGH 0x00000020 /* 4:5=2 rst to VDD */
|
|
+#define AR2315_PCIGRANT_EN 0x00000000 /* 6:7=0 early grant en */
|
|
+#define AR2315_PCIGRANT_FRAME 0x00000040 /* 6:7=1 grant waits 4 frame */
|
|
+#define AR2315_PCIGRANT_IDLE 0x00000080 /* 6:7=2 grant waits 4 idle */
|
|
+#define AR2315_PCIGRANT_GAP 0x00000000 /* 6:7=2 grant waits 4 idle */
|
|
+#define AR2315_PCICACHE_DIS 0x00001000 /* PCI external access cache disable */
|
|
+
|
|
+#define AR2315_PCI_OUT_TSTAMP (AR2315_PCI + 0x0010)
|
|
+
|
|
+#define AR2315_PCI_UNCACHE_CFG (AR2315_PCI + 0x0014)
|
|
+
|
|
+#define AR2315_PCI_IN_EN (AR2315_PCI + 0x0100)
|
|
+#define AR2315_PCI_IN_EN0 0x01 /* Enable chain 0 */
|
|
+#define AR2315_PCI_IN_EN1 0x02 /* Enable chain 1 */
|
|
+#define AR2315_PCI_IN_EN2 0x04 /* Enable chain 2 */
|
|
+#define AR2315_PCI_IN_EN3 0x08 /* Enable chain 3 */
|
|
+
|
|
+#define AR2315_PCI_IN_DIS (AR2315_PCI + 0x0104)
|
|
+#define AR2315_PCI_IN_DIS0 0x01 /* Disable chain 0 */
|
|
+#define AR2315_PCI_IN_DIS1 0x02 /* Disable chain 1 */
|
|
+#define AR2315_PCI_IN_DIS2 0x04 /* Disable chain 2 */
|
|
+#define AR2315_PCI_IN_DIS3 0x08 /* Disable chain 3 */
|
|
+
|
|
+#define AR2315_PCI_IN_PTR (AR2315_PCI + 0x0200)
|
|
+
|
|
+#define AR2315_PCI_OUT_EN (AR2315_PCI + 0x0400)
|
|
+#define AR2315_PCI_OUT_EN0 0x01 /* Enable chain 0 */
|
|
+
|
|
+#define AR2315_PCI_OUT_DIS (AR2315_PCI + 0x0404)
|
|
+#define AR2315_PCI_OUT_DIS0 0x01 /* Disable chain 0 */
|
|
+
|
|
+#define AR2315_PCI_OUT_PTR (AR2315_PCI + 0x0408)
|
|
+
|
|
+#define AR2315_PCI_INT_STATUS (AR2315_PCI + 0x0500) /* write one to clr */
|
|
+#define AR2315_PCI_TXINT 0x00000001 /* Desc In Completed */
|
|
+#define AR2315_PCI_TXOK 0x00000002 /* Desc In OK */
|
|
+#define AR2315_PCI_TXERR 0x00000004 /* Desc In ERR */
|
|
+#define AR2315_PCI_TXEOL 0x00000008 /* Desc In End-of-List */
|
|
+#define AR2315_PCI_RXINT 0x00000010 /* Desc Out Completed */
|
|
+#define AR2315_PCI_RXOK 0x00000020 /* Desc Out OK */
|
|
+#define AR2315_PCI_RXERR 0x00000040 /* Desc Out ERR */
|
|
+#define AR2315_PCI_RXEOL 0x00000080 /* Desc Out EOL */
|
|
+#define AR2315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */
|
|
+#define AR2315_PCI_MASK 0x0000FFFF /* Desc Mask */
|
|
+#define AR2315_PCI_EXT_INT 0x02000000
|
|
+#define AR2315_PCI_ABORT_INT 0x04000000
|
|
+
|
|
+#define AR2315_PCI_INT_MASK (AR2315_PCI + 0x0504) /* same as INT_STATUS */
|
|
+
|
|
+#define AR2315_PCI_INTEN_REG (AR2315_PCI + 0x0508)
|
|
+#define AR2315_PCI_INT_DISABLE 0x00 /* disable pci interrupts */
|
|
+#define AR2315_PCI_INT_ENABLE 0x01 /* enable pci interrupts */
|
|
+
|
|
+#define AR2315_PCI_HOST_IN_EN (AR2315_PCI + 0x0800)
|
|
+#define AR2315_PCI_HOST_IN_DIS (AR2315_PCI + 0x0804)
|
|
+#define AR2315_PCI_HOST_IN_PTR (AR2315_PCI + 0x0810)
|
|
+#define AR2315_PCI_HOST_OUT_EN (AR2315_PCI + 0x0900)
|
|
+#define AR2315_PCI_HOST_OUT_DIS (AR2315_PCI + 0x0904)
|
|
+#define AR2315_PCI_HOST_OUT_PTR (AR2315_PCI + 0x0908)
|
|
+
|
|
+
|
|
+/*
|
|
+ * Local Bus Interface Registers
|
|
+ */
|
|
+#define AR2315_LB_CONFIG (AR2315_LOCAL + 0x0000)
|
|
+#define AR2315_LBCONF_OE 0x00000001 /* =1 OE is low-true */
|
|
+#define AR2315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */
|
|
+#define AR2315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */
|
|
+#define AR2315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */
|
|
+#define AR2315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */
|
|
+#define AR2315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */
|
|
+#define AR2315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */
|
|
+#define AR2315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */
|
|
+#define AR2315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */
|
|
+#define AR2315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */
|
|
+#define AR2315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */
|
|
+#define AR2315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */
|
|
+#define AR2315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */
|
|
+#define AR2315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */
|
|
+#define AR2315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */
|
|
+#define AR2315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */
|
|
+#define AR2315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */
|
|
+#define AR2315_LBCONF_INT 0x00020000 /* =1 Intr is low true */
|
|
+#define AR2315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */
|
|
+#define AR2315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */
|
|
+#define AR2315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */
|
|
+#define AR2315_LBCONF_INT_CTR3 0x000C0000 /* GND drive, Vdd drive */
|
|
+#define AR2315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */
|
|
+#define AR2315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */
|
|
+#define AR2315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */
|
|
+
|
|
+#define AR2315_LB_CLKSEL (AR2315_LOCAL + 0x0004)
|
|
+#define AR2315_LBCLK_EXT 0x0001 /* use external clk for lb */
|
|
+
|
|
+#define AR2315_LB_1MS (AR2315_LOCAL + 0x0008)
|
|
+#define AR2315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
|
|
+
|
|
+#define AR2315_LB_MISCCFG (AR2315_LOCAL + 0x000C)
|
|
+#define AR2315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */
|
|
+#define AR2315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */
|
|
+#define AR2315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */
|
|
+#define AR2315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */
|
|
+#define AR2315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */
|
|
+#define AR2315_LBM_TIMEOUT_MASK 0x00FFFF80
|
|
+#define AR2315_LBM_TIMEOUT_SHFT 7
|
|
+#define AR2315_LBM_PORTMUX 0x07000000
|
|
+
|
|
+
|
|
+#define AR2315_LB_RXTSOFF (AR2315_LOCAL + 0x0010)
|
|
+
|
|
+#define AR2315_LB_TX_CHAIN_EN (AR2315_LOCAL + 0x0100)
|
|
+#define AR2315_LB_TXEN_0 0x01
|
|
+#define AR2315_LB_TXEN_1 0x02
|
|
+#define AR2315_LB_TXEN_2 0x04
|
|
+#define AR2315_LB_TXEN_3 0x08
|
|
+
|
|
+#define AR2315_LB_TX_CHAIN_DIS (AR2315_LOCAL + 0x0104)
|
|
+#define AR2315_LB_TX_DESC_PTR (AR2315_LOCAL + 0x0200)
|
|
+
|
|
+#define AR2315_LB_RX_CHAIN_EN (AR2315_LOCAL + 0x0400)
|
|
+#define AR2315_LB_RXEN 0x01
|
|
+
|
|
+#define AR2315_LB_RX_CHAIN_DIS (AR2315_LOCAL + 0x0404)
|
|
+#define AR2315_LB_RX_DESC_PTR (AR2315_LOCAL + 0x0408)
|
|
+
|
|
+#define AR2315_LB_INT_STATUS (AR2315_LOCAL + 0x0500)
|
|
+#define AR2315_INT_TX_DESC 0x0001
|
|
+#define AR2315_INT_TX_OK 0x0002
|
|
+#define AR2315_INT_TX_ERR 0x0004
|
|
+#define AR2315_INT_TX_EOF 0x0008
|
|
+#define AR2315_INT_RX_DESC 0x0010
|
|
+#define AR2315_INT_RX_OK 0x0020
|
|
+#define AR2315_INT_RX_ERR 0x0040
|
|
+#define AR2315_INT_RX_EOF 0x0080
|
|
+#define AR2315_INT_TX_TRUNC 0x0100
|
|
+#define AR2315_INT_TX_STARVE 0x0200
|
|
+#define AR2315_INT_LB_TIMEOUT 0x0400
|
|
+#define AR2315_INT_LB_ERR 0x0800
|
|
+#define AR2315_INT_MBOX_WR 0x1000
|
|
+#define AR2315_INT_MBOX_RD 0x2000
|
|
+
|
|
+/* Bit definitions for INT MASK are the same as INT_STATUS */
|
|
+#define AR2315_LB_INT_MASK (AR2315_LOCAL + 0x0504)
|
|
+
|
|
+#define AR2315_LB_INT_EN (AR2315_LOCAL + 0x0508)
|
|
+#define AR2315_LB_MBOX (AR2315_LOCAL + 0x0600)
|
|
+
|
|
+/*
|
|
+ * IR Interface Registers
|
|
+ */
|
|
+#define AR2315_IR_PKTDATA (AR2315_IR + 0x0000)
|
|
+
|
|
+#define AR2315_IR_PKTLEN (AR2315_IR + 0x07fc) /* 0 - 63 */
|
|
+
|
|
+#define AR2315_IR_CONTROL (AR2315_IR + 0x0800)
|
|
+#define AR2315_IRCTL_TX 0x00000000 /* use as tranmitter */
|
|
+#define AR2315_IRCTL_RX 0x00000001 /* use as receiver */
|
|
+#define AR2315_IRCTL_SAMPLECLK_MASK 0x00003ffe /* Sample clk divisor mask */
|
|
+#define AR2315_IRCTL_SAMPLECLK_SHFT 1
|
|
+#define AR2315_IRCTL_OUTPUTCLK_MASK 0x03ffc000 /* Output clk divisor mask */
|
|
+#define AR2315_IRCTL_OUTPUTCLK_SHFT 14
|
|
+
|
|
+#define AR2315_IR_STATUS (AR2315_IR + 0x0804)
|
|
+#define AR2315_IRSTS_RX 0x00000001 /* receive in progress */
|
|
+#define AR2315_IRSTS_TX 0x00000002 /* transmit in progress */
|
|
+
|
|
+#define AR2315_IR_CONFIG (AR2315_IR + 0x0808)
|
|
+#define AR2315_IRCFG_INVIN 0x00000001 /* invert input polarity */
|
|
+#define AR2315_IRCFG_INVOUT 0x00000002 /* invert output polarity */
|
|
+#define AR2315_IRCFG_SEQ_START_WIN_SEL 0x00000004 /* 1 => 28, 0 => 7 */
|
|
+#define AR2315_IRCFG_SEQ_START_THRESH 0x000000f0 /* */
|
|
+#define AR2315_IRCFG_SEQ_END_UNIT_SEL 0x00000100 /* */
|
|
+#define AR2315_IRCFG_SEQ_END_UNIT_THRESH 0x00007e00 /* */
|
|
+#define AR2315_IRCFG_SEQ_END_WIN_SEL 0x00008000 /* */
|
|
+#define AR2315_IRCFG_SEQ_END_WIN_THRESH 0x001f0000 /* */
|
|
+#define AR2315_IRCFG_NUM_BACKOFF_WORDS 0x01e00000 /* */
|
|
+
|
|
+#define HOST_PCI_DEV_ID 3
|
|
+#define HOST_PCI_MBAR0 0x10000000
|
|
+#define HOST_PCI_MBAR1 0x20000000
|
|
+#define HOST_PCI_MBAR2 0x30000000
|
|
+
|
|
+#define HOST_PCI_SDRAM_BASEADDR HOST_PCI_MBAR1
|
|
+#define PCI_DEVICE_MEM_SPACE 0x800000
|
|
+
|
|
+#endif /* __AR2315_REG_H */
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-ar231x/ar5312_regs.h
|
|
@@ -0,0 +1,236 @@
|
|
+/*
|
|
+ * This file is subject to the terms and conditions of the GNU General Public
|
|
+ * License. See the file "COPYING" in the main directory of this archive
|
|
+ * for more details.
|
|
+ *
|
|
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
|
|
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
|
|
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
|
|
+ */
|
|
+
|
|
+#ifndef AR5312_H
|
|
+#define AR5312_H
|
|
+
|
|
+#include <asm/addrspace.h>
|
|
+
|
|
+/*
|
|
+ * IRQs
|
|
+ */
|
|
+
|
|
+#define AR5312_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
|
|
+#define AR5312_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */
|
|
+#define AR5312_IRQ_ENET1_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */
|
|
+#define AR5312_IRQ_WLAN1_INTRS MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */
|
|
+#define AR5312_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */
|
|
+
|
|
+
|
|
+/* Address Map */
|
|
+#define AR531X_WLAN0 0x18000000
|
|
+#define AR531X_WLAN1 0x18500000
|
|
+#define AR531X_ENET0 0x18100000
|
|
+#define AR531X_ENET1 0x18200000
|
|
+#define AR531X_SDRAMCTL 0x18300000
|
|
+#define AR531X_FLASHCTL 0x18400000
|
|
+#define AR531X_APBBASE 0x1c000000
|
|
+#define AR531X_FLASH 0x1e000000
|
|
+#define AR531X_UART0 0xbc000003 /* UART MMR */
|
|
+
|
|
+/*
|
|
+ * AR531X_NUM_ENET_MAC defines the number of ethernet MACs that
|
|
+ * should be considered available. The AR5312 supports 2 enet MACS,
|
|
+ * even though many reference boards only actually use 1 of them
|
|
+ * (i.e. Only MAC 0 is actually connected to an enet PHY or PHY switch.
|
|
+ * The AR2312 supports 1 enet MAC.
|
|
+ */
|
|
+#define AR531X_NUM_ENET_MAC 2
|
|
+
|
|
+/*
|
|
+ * Need these defines to determine true number of ethernet MACs
|
|
+ */
|
|
+#define AR5212_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */
|
|
+#define AR5212_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */
|
|
+#define AR5212_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */
|
|
+#define AR531X_RADIO_MASK_OFF 0xc8
|
|
+#define AR531X_RADIO0_MASK 0x0003
|
|
+#define AR531X_RADIO1_MASK 0x000c
|
|
+#define AR531X_RADIO1_S 2
|
|
+
|
|
+/*
|
|
+ * AR531X_NUM_WMAC defines the number of Wireless MACs that\
|
|
+ * should be considered available.
|
|
+ */
|
|
+#define AR531X_NUM_WMAC 2
|
|
+
|
|
+/* Reset/Timer Block Address Map */
|
|
+#define AR531X_RESETTMR (AR531X_APBBASE + 0x3000)
|
|
+#define AR531X_TIMER (AR531X_RESETTMR + 0x0000) /* countdown timer */
|
|
+#define AR531X_WD_CTRL (AR531X_RESETTMR + 0x0008) /* watchdog cntrl */
|
|
+#define AR531X_WD_TIMER (AR531X_RESETTMR + 0x000c) /* watchdog timer */
|
|
+#define AR531X_ISR (AR531X_RESETTMR + 0x0010) /* Intr Status Reg */
|
|
+#define AR531X_IMR (AR531X_RESETTMR + 0x0014) /* Intr Mask Reg */
|
|
+#define AR531X_RESET (AR531X_RESETTMR + 0x0020)
|
|
+#define AR5312_CLOCKCTL1 (AR531X_RESETTMR + 0x0064)
|
|
+#define AR5312_SCRATCH (AR531X_RESETTMR + 0x006c)
|
|
+#define AR531X_PROCADDR (AR531X_RESETTMR + 0x0070)
|
|
+#define AR531X_PROC1 (AR531X_RESETTMR + 0x0074)
|
|
+#define AR531X_DMAADDR (AR531X_RESETTMR + 0x0078)
|
|
+#define AR531X_DMA1 (AR531X_RESETTMR + 0x007c)
|
|
+#define AR531X_ENABLE (AR531X_RESETTMR + 0x0080) /* interface enb */
|
|
+#define AR531X_REV (AR531X_RESETTMR + 0x0090) /* revision */
|
|
+
|
|
+/* AR531X_WD_CTRL register bit field definitions */
|
|
+#define AR531X_WD_CTRL_IGNORE_EXPIRATION 0x0000
|
|
+#define AR531X_WD_CTRL_NMI 0x0001
|
|
+#define AR531X_WD_CTRL_RESET 0x0002
|
|
+
|
|
+/* AR531X_ISR register bit field definitions */
|
|
+#define AR531X_ISR_NONE 0x0000
|
|
+#define AR531X_ISR_TIMER 0x0001
|
|
+#define AR531X_ISR_AHBPROC 0x0002
|
|
+#define AR531X_ISR_AHBDMA 0x0004
|
|
+#define AR531X_ISR_GPIO 0x0008
|
|
+#define AR531X_ISR_UART0 0x0010
|
|
+#define AR531X_ISR_UART0DMA 0x0020
|
|
+#define AR531X_ISR_WD 0x0040
|
|
+#define AR531X_ISR_LOCAL 0x0080
|
|
+
|
|
+/* AR531X_RESET register bit field definitions */
|
|
+#define AR531X_RESET_SYSTEM 0x00000001 /* cold reset full system */
|
|
+#define AR531X_RESET_PROC 0x00000002 /* cold reset MIPS core */
|
|
+#define AR531X_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */
|
|
+#define AR531X_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */
|
|
+#define AR531X_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */
|
|
+#define AR531X_RESET_ENET0 0x00000020 /* cold reset ENET0 mac */
|
|
+#define AR531X_RESET_ENET1 0x00000040 /* cold reset ENET1 mac */
|
|
+#define AR531X_RESET_UART0 0x00000100 /* cold reset UART0 (high speed) */
|
|
+#define AR531X_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */
|
|
+#define AR531X_RESET_APB 0x00000400 /* cold reset APB (ar5312) */
|
|
+#define AR531X_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */
|
|
+#define AR531X_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */
|
|
+#define AR531X_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BaseBand */
|
|
+#define AR531X_RESET_NMI 0x00010000 /* send an NMI to the processor */
|
|
+#define AR531X_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 mac */
|
|
+#define AR531X_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 baseband */
|
|
+#define AR531X_RESET_LOCAL_BUS 0x00080000 /* reset local bus */
|
|
+#define AR531X_RESET_WDOG 0x00100000 /* last reset was a watchdog */
|
|
+
|
|
+#define AR531X_RESET_WMAC0_BITS \
|
|
+ AR531X_RESET_WLAN0 |\
|
|
+ AR531X_RESET_WARM_WLAN0_MAC |\
|
|
+ AR531X_RESET_WARM_WLAN0_BB
|
|
+
|
|
+#define AR531X_RESERT_WMAC1_BITS \
|
|
+ AR531X_RESET_WLAN1 |\
|
|
+ AR531X_RESET_WARM_WLAN1_MAC |\
|
|
+ AR531X_RESET_WARM_WLAN1_BB
|
|
+
|
|
+/* AR5312_CLOCKCTL1 register bit field definitions */
|
|
+#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
|
|
+#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
|
|
+#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
|
|
+#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
|
|
+#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
|
|
+
|
|
+/* Valid for AR5312 and AR2312 */
|
|
+#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
|
|
+#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
|
|
+#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
|
|
+#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
|
|
+#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
|
|
+
|
|
+/* Valid for AR2313 */
|
|
+#define AR2313_CLOCKCTL1_PREDIVIDE_MASK 0x00003000
|
|
+#define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT 12
|
|
+#define AR2313_CLOCKCTL1_MULTIPLIER_MASK 0x001f0000
|
|
+#define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT 16
|
|
+#define AR2313_CLOCKCTL1_DOUBLER_MASK 0x00000000
|
|
+
|
|
+
|
|
+/* AR531X_ENABLE register bit field definitions */
|
|
+#define AR531X_ENABLE_WLAN0 0x0001
|
|
+#define AR531X_ENABLE_ENET0 0x0002
|
|
+#define AR531X_ENABLE_ENET1 0x0004
|
|
+#define AR531X_ENABLE_UART_AND_WLAN1_PIO 0x0008 /* UART, and WLAN1 PIOs */
|
|
+#define AR531X_ENABLE_WLAN1_DMA 0x0010 /* WLAN1 DMAs */
|
|
+#define AR531X_ENABLE_WLAN1 \
|
|
+ (AR531X_ENABLE_UART_AND_WLAN1_PIO | AR531X_ENABLE_WLAN1_DMA)
|
|
+
|
|
+/* AR531X_REV register bit field definitions */
|
|
+#define AR531X_REV_WMAC_MAJ 0xf000
|
|
+#define AR531X_REV_WMAC_MAJ_S 12
|
|
+#define AR531X_REV_WMAC_MIN 0x0f00
|
|
+#define AR531X_REV_WMAC_MIN_S 8
|
|
+#define AR531X_REV_MAJ 0x00f0
|
|
+#define AR531X_REV_MAJ_S 4
|
|
+#define AR531X_REV_MIN 0x000f
|
|
+#define AR531X_REV_MIN_S 0
|
|
+#define AR531X_REV_CHIP (AR531X_REV_MAJ|AR531X_REV_MIN)
|
|
+
|
|
+/* Major revision numbers, bits 7..4 of Revision ID register */
|
|
+#define AR531X_REV_MAJ_AR5312 0x4
|
|
+#define AR531X_REV_MAJ_AR2313 0x5
|
|
+
|
|
+/* Minor revision numbers, bits 3..0 of Revision ID register */
|
|
+#define AR5312_REV_MIN_DUAL 0x0 /* Dual WLAN version */
|
|
+#define AR5312_REV_MIN_SINGLE 0x1 /* Single WLAN version */
|
|
+
|
|
+/* AR531X_FLASHCTL register bit field definitions */
|
|
+#define FLASHCTL_IDCY 0x0000000f /* Idle cycle turn around time */
|
|
+#define FLASHCTL_IDCY_S 0
|
|
+#define FLASHCTL_WST1 0x000003e0 /* Wait state 1 */
|
|
+#define FLASHCTL_WST1_S 5
|
|
+#define FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */
|
|
+#define FLASHCTL_WST2 0x0000f800 /* Wait state 2 */
|
|
+#define FLASHCTL_WST2_S 11
|
|
+#define FLASHCTL_AC 0x00070000 /* Flash address check (added) */
|
|
+#define FLASHCTL_AC_S 16
|
|
+#define FLASHCTL_AC_128K 0x00000000
|
|
+#define FLASHCTL_AC_256K 0x00010000
|
|
+#define FLASHCTL_AC_512K 0x00020000
|
|
+#define FLASHCTL_AC_1M 0x00030000
|
|
+#define FLASHCTL_AC_2M 0x00040000
|
|
+#define FLASHCTL_AC_4M 0x00050000
|
|
+#define FLASHCTL_AC_8M 0x00060000
|
|
+#define FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */
|
|
+#define FLASHCTL_E 0x00080000 /* Flash bank enable (added) */
|
|
+#define FLASHCTL_BUSERR 0x01000000 /* Bus transfer error status flag */
|
|
+#define FLASHCTL_WPERR 0x02000000 /* Write protect error status flag */
|
|
+#define FLASHCTL_WP 0x04000000 /* Write protect */
|
|
+#define FLASHCTL_BM 0x08000000 /* Burst mode */
|
|
+#define FLASHCTL_MW 0x30000000 /* Memory width */
|
|
+#define FLASHCTL_MWx8 0x00000000 /* Memory width x8 */
|
|
+#define FLASHCTL_MWx16 0x10000000 /* Memory width x16 */
|
|
+#define FLASHCTL_MWx32 0x20000000 /* Memory width x32 (not supported) */
|
|
+#define FLASHCTL_ATNR 0x00000000 /* Access type == no retry */
|
|
+#define FLASHCTL_ATR 0x80000000 /* Access type == retry every */
|
|
+#define FLASHCTL_ATR4 0xc0000000 /* Access type == retry every 4 */
|
|
+
|
|
+/* ARM Flash Controller -- 3 flash banks with either x8 or x16 devices. */
|
|
+#define AR531X_FLASHCTL0 (AR531X_FLASHCTL + 0x00)
|
|
+#define AR531X_FLASHCTL1 (AR531X_FLASHCTL + 0x04)
|
|
+#define AR531X_FLASHCTL2 (AR531X_FLASHCTL + 0x08)
|
|
+
|
|
+/* ARM SDRAM Controller -- just enough to determine memory size */
|
|
+#define AR531X_MEM_CFG1 (AR531X_SDRAMCTL + 0x04)
|
|
+#define MEM_CFG1_AC0 0x00000700 /* bank 0: SDRAM addr check (added) */
|
|
+#define MEM_CFG1_AC0_S 8
|
|
+#define MEM_CFG1_AC1 0x00007000 /* bank 1: SDRAM addr check (added) */
|
|
+#define MEM_CFG1_AC1_S 12
|
|
+
|
|
+/* GPIO Address Map */
|
|
+#define AR531X_GPIO (AR531X_APBBASE + 0x2000)
|
|
+#define AR531X_GPIO_DO (AR531X_GPIO + 0x00) /* output register */
|
|
+#define AR531X_GPIO_DI (AR531X_GPIO + 0x04) /* intput register */
|
|
+#define AR531X_GPIO_CR (AR531X_GPIO + 0x08) /* control register */
|
|
+
|
|
+/* GPIO Control Register bit field definitions */
|
|
+#define AR531X_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
|
|
+#define AR531X_GPIO_CR_O(x) (0 << (x)) /* mask for output */
|
|
+#define AR531X_GPIO_CR_I(x) (1 << (x)) /* mask for input */
|
|
+#define AR531X_GPIO_CR_INT(x) (1 << ((x)+8)) /* mask for interrupt */
|
|
+#define AR531X_GPIO_CR_UART(x) (1 << ((x)+16)) /* uart multiplex */
|
|
+#define AR531X_NUM_GPIO 8
|
|
+
|
|
+
|
|
+#endif
|
|
+
|
|
--- /dev/null
|
|
+++ b/arch/mips/ar231x/ar5312.c
|
|
@@ -0,0 +1,549 @@
|
|
+/*
|
|
+ * This file is subject to the terms and conditions of the GNU General Public
|
|
+ * License. See the file "COPYING" in the main directory of this archive
|
|
+ * for more details.
|
|
+ *
|
|
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
|
|
+ * Copyright (C) 2006 FON Technology, SL.
|
|
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
|
|
+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
|
|
+ */
|
|
+
|
|
+/*
|
|
+ * Platform devices for Atheros SoCs
|
|
+ */
|
|
+
|
|
+#include <linux/autoconf.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/string.h>
|
|
+#include <linux/mtd/physmap.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/kernel.h>
|
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+#include <linux/reboot.h>
|
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+#include <linux/leds.h>
|
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+#include <asm/bootinfo.h>
|
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+#include <asm/reboot.h>
|
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+#include <asm/time.h>
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+#include <asm/irq.h>
|
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+#include <asm/io.h>
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+#include <gpio.h>
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+
|
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+#include <ar231x_platform.h>
|
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+#include <ar5312_regs.h>
|
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+#include <ar231x.h>
|
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+#include "devices.h"
|
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+#include "ar5312.h"
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+
|
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+static void
|
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+ar5312_misc_irq_dispatch(void)
|
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+{
|
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+ unsigned int ar231x_misc_intrs = ar231x_read_reg(AR531X_ISR) & ar231x_read_reg(AR531X_IMR);
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+
|
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+ if (ar231x_misc_intrs & AR531X_ISR_TIMER) {
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+ do_IRQ(AR531X_MISC_IRQ_TIMER);
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+ (void)ar231x_read_reg(AR531X_TIMER);
|
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+ } else if (ar231x_misc_intrs & AR531X_ISR_AHBPROC)
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+ do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
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+ else if ((ar231x_misc_intrs & AR531X_ISR_UART0))
|
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+ do_IRQ(AR531X_MISC_IRQ_UART0);
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+ else if (ar231x_misc_intrs & AR531X_ISR_WD)
|
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+ do_IRQ(AR531X_MISC_IRQ_WATCHDOG);
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+ else
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+ do_IRQ(AR531X_MISC_IRQ_NONE);
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+}
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+
|
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+static asmlinkage void
|
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+ar5312_irq_dispatch(void)
|
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+{
|
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+ int pending = read_c0_status() & read_c0_cause();
|
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+
|
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+ if (pending & CAUSEF_IP2)
|
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+ do_IRQ(AR5312_IRQ_WLAN0_INTRS);
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+ else if (pending & CAUSEF_IP3)
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+ do_IRQ(AR5312_IRQ_ENET0_INTRS);
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+ else if (pending & CAUSEF_IP4)
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+ do_IRQ(AR5312_IRQ_ENET1_INTRS);
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+ else if (pending & CAUSEF_IP5)
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+ do_IRQ(AR5312_IRQ_WLAN1_INTRS);
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+ else if (pending & CAUSEF_IP6)
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+ ar5312_misc_irq_dispatch();
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+ else if (pending & CAUSEF_IP7)
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+ do_IRQ(AR531X_IRQ_CPU_CLOCK);
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+}
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+
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+
|
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+/* Enable the specified AR531X_MISC_IRQ interrupt */
|
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+static void
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+ar5312_misc_intr_enable(unsigned int irq)
|
|
+{
|
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+ unsigned int imr;
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+
|
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+ imr = ar231x_read_reg(AR531X_IMR);
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+ imr |= (1 << (irq - AR531X_MISC_IRQ_BASE - 1));
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+ ar231x_write_reg(AR531X_IMR, imr);
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+}
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+
|
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+/* Disable the specified AR531X_MISC_IRQ interrupt */
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+static void
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+ar5312_misc_intr_disable(unsigned int irq)
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+{
|
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+ unsigned int imr;
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+
|
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+ imr = ar231x_read_reg(AR531X_IMR);
|
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+ imr &= ~(1 << (irq - AR531X_MISC_IRQ_BASE - 1));
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+ ar231x_write_reg(AR531X_IMR, imr);
|
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+ ar231x_read_reg(AR531X_IMR); /* flush write buffer */
|
|
+}
|
|
+
|
|
+static void
|
|
+ar5312_misc_intr_end(unsigned int irq)
|
|
+{
|
|
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
|
|
+ ar5312_misc_intr_enable(irq);
|
|
+}
|
|
+
|
|
+static struct irq_chip ar5312_misc_intr_controller = {
|
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+ .name = "AR5312-MISC",
|
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+ .disable = ar5312_misc_intr_disable,
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+ .ack = ar5312_misc_intr_disable,
|
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+ .mask_ack = ar5312_misc_intr_disable,
|
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+ .mask = ar5312_misc_intr_disable,
|
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+ .unmask = ar5312_misc_intr_enable,
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+ .end = ar5312_misc_intr_end,
|
|
+};
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|
+
|
|
+
|
|
+static irqreturn_t ar5312_ahb_proc_handler(int cpl, void *dev_id)
|
|
+{
|
|
+ u32 proc1 = ar231x_read_reg(AR531X_PROC1);
|
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+ u32 procAddr = ar231x_read_reg(AR531X_PROCADDR); /* clears error state */
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+ u32 dma1 = ar231x_read_reg(AR531X_DMA1);
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+ u32 dmaAddr = ar231x_read_reg(AR531X_DMAADDR); /* clears error state */
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+
|
|
+ printk("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n",
|
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+ procAddr, proc1, dmaAddr, dma1);
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|
+
|
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+ machine_restart("AHB error"); /* Catastrophic failure */
|
|
+ return IRQ_HANDLED;
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|
+}
|
|
+
|
|
+
|
|
+static struct irqaction ar5312_ahb_proc_interrupt = {
|
|
+ .handler = ar5312_ahb_proc_handler,
|
|
+ .flags = IRQF_DISABLED,
|
|
+ .name = "ar5312_ahb_proc_interrupt",
|
|
+};
|
|
+
|
|
+
|
|
+static struct irqaction cascade = {
|
|
+ .handler = no_action,
|
|
+ .flags = IRQF_DISABLED,
|
|
+ .name = "cascade",
|
|
+};
|
|
+
|
|
+void __init ar5312_irq_init(void)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ if (!is_5312())
|
|
+ return;
|
|
+
|
|
+ ar231x_irq_dispatch = ar5312_irq_dispatch;
|
|
+ for (i = 0; i < AR531X_MISC_IRQ_COUNT; i++) {
|
|
+ int irq = AR531X_MISC_IRQ_BASE + i;
|
|
+ set_irq_chip_and_handler(irq, &ar5312_misc_intr_controller,
|
|
+ handle_level_irq);
|
|
+ }
|
|
+ setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5312_ahb_proc_interrupt);
|
|
+ setup_irq(AR5312_IRQ_MISC_INTRS, &cascade);
|
|
+}
|
|
+
|
|
+const struct ar231x_gpiodev ar5312_gpiodev;
|
|
+
|
|
+static u32
|
|
+ar5312_gpio_get_output(void)
|
|
+{
|
|
+ u32 reg;
|
|
+ reg = ~(ar231x_read_reg(AR531X_GPIO_CR));
|
|
+ reg &= ar5312_gpiodev.valid_mask;
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+static u32
|
|
+ar5312_gpio_set_output(u32 mask, u32 val)
|
|
+{
|
|
+ u32 reg;
|
|
+
|
|
+ reg = ar231x_read_reg(AR531X_GPIO_CR);
|
|
+ reg |= mask;
|
|
+ reg &= ~val;
|
|
+ ar231x_write_reg(AR531X_GPIO_CR, reg);
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+static u32
|
|
+ar5312_gpio_get(void)
|
|
+{
|
|
+ u32 reg;
|
|
+ reg = ar231x_read_reg(AR531X_GPIO_DI);
|
|
+ reg &= ar5312_gpiodev.valid_mask;
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+static u32
|
|
+ar5312_gpio_set(u32 mask, u32 value)
|
|
+{
|
|
+ u32 reg;
|
|
+ reg = ar231x_read_reg(AR531X_GPIO_DO);
|
|
+ reg &= ~mask;
|
|
+ reg |= value;
|
|
+ ar231x_write_reg(AR531X_GPIO_DO, reg);
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+const struct ar231x_gpiodev ar5312_gpiodev = {
|
|
+ .valid_mask = (1 << 8) - 1,
|
|
+ .get_output = ar5312_gpio_get_output,
|
|
+ .set_output = ar5312_gpio_set_output,
|
|
+ .get = ar5312_gpio_get,
|
|
+ .set = ar5312_gpio_set,
|
|
+};
|
|
+
|
|
+static struct physmap_flash_data ar5312_flash_data = {
|
|
+ .width = 2,
|
|
+};
|
|
+
|
|
+static struct resource ar5312_flash_resource = {
|
|
+ .start = AR531X_FLASH,
|
|
+ .end = AR531X_FLASH + 0x800000 - 1,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+};
|
|
+
|
|
+static struct ar231x_eth ar5312_eth0_data = {
|
|
+ .reset_base = AR531X_RESET,
|
|
+ .reset_mac = AR531X_RESET_ENET0,
|
|
+ .reset_phy = AR531X_RESET_EPHY0,
|
|
+ .phy_base = KSEG1ADDR(AR531X_ENET0),
|
|
+ .config = &ar231x_board,
|
|
+};
|
|
+
|
|
+static struct ar231x_eth ar5312_eth1_data = {
|
|
+ .reset_base = AR531X_RESET,
|
|
+ .reset_mac = AR531X_RESET_ENET1,
|
|
+ .reset_phy = AR531X_RESET_EPHY1,
|
|
+ .phy_base = KSEG1ADDR(AR531X_ENET1),
|
|
+ .config = &ar231x_board,
|
|
+};
|
|
+
|
|
+static struct platform_device ar5312_physmap_flash = {
|
|
+ .name = "physmap-flash",
|
|
+ .id = 0,
|
|
+ .dev.platform_data = &ar5312_flash_data,
|
|
+ .resource = &ar5312_flash_resource,
|
|
+ .num_resources = 1,
|
|
+};
|
|
+
|
|
+#ifdef CONFIG_LEDS_GPIO
|
|
+static struct gpio_led ar5312_leds[] = {
|
|
+ { .name = "wlan", .gpio = 0, .active_low = 1, },
|
|
+};
|
|
+
|
|
+static const struct gpio_led_platform_data ar5312_led_data = {
|
|
+ .num_leds = ARRAY_SIZE(ar5312_leds),
|
|
+ .leds = (void *) ar5312_leds,
|
|
+};
|
|
+
|
|
+static struct platform_device ar5312_gpio_leds = {
|
|
+ .name = "leds-gpio",
|
|
+ .id = -1,
|
|
+ .dev.platform_data = (void *) &ar5312_led_data,
|
|
+};
|
|
+#endif
|
|
+
|
|
+/*
|
|
+ * NB: This mapping size is larger than the actual flash size,
|
|
+ * but this shouldn't be a problem here, because the flash
|
|
+ * will simply be mapped multiple times.
|
|
+ */
|
|
+static char __init *ar5312_flash_limit(void)
|
|
+{
|
|
+ u32 ctl;
|
|
+ /*
|
|
+ * Configure flash bank 0.
|
|
+ * Assume 8M window size. Flash will be aliased if it's smaller
|
|
+ */
|
|
+ ctl = FLASHCTL_E |
|
|
+ FLASHCTL_AC_8M |
|
|
+ FLASHCTL_RBLE |
|
|
+ (0x01 << FLASHCTL_IDCY_S) |
|
|
+ (0x07 << FLASHCTL_WST1_S) |
|
|
+ (0x07 << FLASHCTL_WST2_S) |
|
|
+ (ar231x_read_reg(AR531X_FLASHCTL0) & FLASHCTL_MW);
|
|
+
|
|
+ ar231x_write_reg(AR531X_FLASHCTL0, ctl);
|
|
+
|
|
+ /* Disable other flash banks */
|
|
+ ar231x_write_reg(AR531X_FLASHCTL1,
|
|
+ ar231x_read_reg(AR531X_FLASHCTL1) & ~(FLASHCTL_E | FLASHCTL_AC));
|
|
+
|
|
+ ar231x_write_reg(AR531X_FLASHCTL2,
|
|
+ ar231x_read_reg(AR531X_FLASHCTL2) & ~(FLASHCTL_E | FLASHCTL_AC));
|
|
+
|
|
+ return (char *) KSEG1ADDR(AR531X_FLASH + 0x800000);
|
|
+}
|
|
+
|
|
+int __init ar5312_init_devices(void)
|
|
+{
|
|
+ struct ar231x_boarddata *config;
|
|
+ u32 fctl = 0;
|
|
+ const u8 *radio;
|
|
+ u8 *c;
|
|
+
|
|
+ if (!is_5312())
|
|
+ return 0;
|
|
+
|
|
+ /* Locate board/radio config data */
|
|
+ ar231x_find_config(ar5312_flash_limit());
|
|
+ config = ar231x_board.config;
|
|
+
|
|
+
|
|
+ /*
|
|
+ * Chip IDs and hardware detection for some Atheros
|
|
+ * models are really broken!
|
|
+ *
|
|
+ * Atheros uses a disabled WMAC0 and Silicon ID of AR5312
|
|
+ * as indication for AR2312, which is otherwise
|
|
+ * indistinguishable from the real AR5312.
|
|
+ */
|
|
+ if (ar231x_board.radio) {
|
|
+ radio = ar231x_board.radio + AR531X_RADIO_MASK_OFF;
|
|
+ if ((*((const u32 *) radio) & AR531X_RADIO0_MASK) == 0)
|
|
+ config->flags |= BD_ISCASPER;
|
|
+ } else
|
|
+ radio = NULL;
|
|
+
|
|
+ /* AR2313 has CPU minor rev. 10 */
|
|
+ if ((current_cpu_data.processor_id & 0xff) == 0x0a)
|
|
+ ar231x_devtype = DEV_TYPE_AR2313;
|
|
+
|
|
+ /* AR2312 shares the same Silicon ID as AR5312 */
|
|
+ else if (config->flags & BD_ISCASPER)
|
|
+ ar231x_devtype = DEV_TYPE_AR2312;
|
|
+
|
|
+ /* Everything else is probably AR5312 or compatible */
|
|
+ else
|
|
+ ar231x_devtype = DEV_TYPE_AR5312;
|
|
+
|
|
+ /* fixup flash width */
|
|
+ fctl = ar231x_read_reg(AR531X_FLASHCTL) & FLASHCTL_MW;
|
|
+ switch (fctl) {
|
|
+ case FLASHCTL_MWx16:
|
|
+ ar5312_flash_data.width = 2;
|
|
+ break;
|
|
+ case FLASHCTL_MWx8:
|
|
+ default:
|
|
+ ar5312_flash_data.width = 1;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ platform_device_register(&ar5312_physmap_flash);
|
|
+
|
|
+#ifdef CONFIG_LEDS_GPIO
|
|
+ ar5312_leds[0].gpio = config->sysLedGpio;
|
|
+ platform_device_register(&ar5312_gpio_leds);
|
|
+#endif
|
|
+
|
|
+ /* Fix up MAC addresses if necessary */
|
|
+ if (!memcmp(config->enet0_mac, "\xff\xff\xff\xff\xff\xff", 6))
|
|
+ memcpy(config->enet0_mac, config->enet1_mac, 6);
|
|
+
|
|
+ /* If ENET0 and ENET1 have the same mac address,
|
|
+ * increment the one from ENET1 */
|
|
+ if (memcmp(config->enet0_mac, config->enet1_mac, 6) == 0) {
|
|
+ c = config->enet1_mac + 5;
|
|
+ while ((c >= config->enet1_mac) && !(++(*c)))
|
|
+ c--;
|
|
+ }
|
|
+
|
|
+ switch(ar231x_devtype) {
|
|
+ case DEV_TYPE_AR5312:
|
|
+ ar5312_eth0_data.macaddr = config->enet0_mac;
|
|
+ ar231x_add_ethernet(0, KSEG1ADDR(AR531X_ENET0),
|
|
+ AR5312_IRQ_ENET0_INTRS, &ar5312_eth0_data);
|
|
+
|
|
+ ar5312_eth1_data.macaddr = config->enet1_mac;
|
|
+ ar231x_add_ethernet(1, KSEG1ADDR(AR531X_ENET1),
|
|
+ AR5312_IRQ_ENET1_INTRS, &ar5312_eth1_data);
|
|
+
|
|
+ if (!ar231x_board.radio)
|
|
+ return 0;
|
|
+
|
|
+ if ((*((u32 *) radio) & AR531X_RADIO0_MASK) &&
|
|
+ (config->flags & BD_WLAN0))
|
|
+ ar231x_add_wmac(0, AR531X_WLAN0,
|
|
+ AR5312_IRQ_WLAN0_INTRS);
|
|
+
|
|
+ break;
|
|
+ /*
|
|
+ * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
|
|
+ * of ENET1. Atheros calls it 'twisted' for a reason :)
|
|
+ */
|
|
+ case DEV_TYPE_AR2312:
|
|
+ case DEV_TYPE_AR2313:
|
|
+ ar5312_eth1_data.phy_base = ar5312_eth0_data.phy_base;
|
|
+ ar5312_eth1_data.reset_phy = ar5312_eth0_data.reset_phy;
|
|
+ ar5312_eth1_data.macaddr = config->enet0_mac;
|
|
+ ar231x_add_ethernet(0, KSEG1ADDR(AR531X_ENET1),
|
|
+ AR5312_IRQ_ENET1_INTRS, &ar5312_eth1_data);
|
|
+
|
|
+ if (!ar231x_board.radio)
|
|
+ return 0;
|
|
+ break;
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if ((*((u32 *) radio) & AR531X_RADIO1_MASK) &&
|
|
+ (config->flags & BD_WLAN1))
|
|
+ ar231x_add_wmac(1, AR531X_WLAN1,
|
|
+ AR5312_IRQ_WLAN1_INTRS);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+
|
|
+static void ar5312_restart(char *command)
|
|
+{
|
|
+ /* reset the system */
|
|
+ local_irq_disable();
|
|
+ while(1) {
|
|
+ ar231x_write_reg(AR531X_RESET, AR531X_RESET_SYSTEM);
|
|
+ }
|
|
+}
|
|
+
|
|
+
|
|
+/*
|
|
+ * This table is indexed by bits 5..4 of the CLOCKCTL1 register
|
|
+ * to determine the predevisor value.
|
|
+ */
|
|
+static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = { 1, 2, 4, 5 };
|
|
+
|
|
+
|
|
+static int __init
|
|
+ar5312_cpu_frequency(void)
|
|
+{
|
|
+ unsigned int result;
|
|
+ unsigned int predivide_mask, predivide_shift;
|
|
+ unsigned int multiplier_mask, multiplier_shift;
|
|
+ unsigned int clockCtl1, preDivideSelect, preDivisor, multiplier;
|
|
+ unsigned int doubler_mask;
|
|
+ u16 devid;
|
|
+
|
|
+ /* Trust the bootrom's idea of cpu frequency. */
|
|
+ if ((result = ar231x_read_reg(AR5312_SCRATCH)))
|
|
+ return result;
|
|
+
|
|
+ devid = ar231x_read_reg(AR531X_REV);
|
|
+ devid &= AR531X_REV_MAJ;
|
|
+ devid >>= AR531X_REV_MAJ_S;
|
|
+ if (devid == AR531X_REV_MAJ_AR2313) {
|
|
+ predivide_mask = AR2313_CLOCKCTL1_PREDIVIDE_MASK;
|
|
+ predivide_shift = AR2313_CLOCKCTL1_PREDIVIDE_SHIFT;
|
|
+ multiplier_mask = AR2313_CLOCKCTL1_MULTIPLIER_MASK;
|
|
+ multiplier_shift = AR2313_CLOCKCTL1_MULTIPLIER_SHIFT;
|
|
+ doubler_mask = AR2313_CLOCKCTL1_DOUBLER_MASK;
|
|
+ } else { /* AR5312 and AR2312 */
|
|
+ predivide_mask = AR5312_CLOCKCTL1_PREDIVIDE_MASK;
|
|
+ predivide_shift = AR5312_CLOCKCTL1_PREDIVIDE_SHIFT;
|
|
+ multiplier_mask = AR5312_CLOCKCTL1_MULTIPLIER_MASK;
|
|
+ multiplier_shift = AR5312_CLOCKCTL1_MULTIPLIER_SHIFT;
|
|
+ doubler_mask = AR5312_CLOCKCTL1_DOUBLER_MASK;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Clocking is derived from a fixed 40MHz input clock.
|
|
+ *
|
|
+ * cpuFreq = InputClock * MULT (where MULT is PLL multiplier)
|
|
+ * sysFreq = cpuFreq / 4 (used for APB clock, serial,
|
|
+ * flash, Timer, Watchdog Timer)
|
|
+ *
|
|
+ * cntFreq = cpuFreq / 2 (use for CPU count/compare)
|
|
+ *
|
|
+ * So, for example, with a PLL multiplier of 5, we have
|
|
+ *
|
|
+ * cpuFreq = 200MHz
|
|
+ * sysFreq = 50MHz
|
|
+ * cntFreq = 100MHz
|
|
+ *
|
|
+ * We compute the CPU frequency, based on PLL settings.
|
|
+ */
|
|
+
|
|
+ clockCtl1 = ar231x_read_reg(AR5312_CLOCKCTL1);
|
|
+ preDivideSelect = (clockCtl1 & predivide_mask) >> predivide_shift;
|
|
+ preDivisor = CLOCKCTL1_PREDIVIDE_TABLE[preDivideSelect];
|
|
+ multiplier = (clockCtl1 & multiplier_mask) >> multiplier_shift;
|
|
+
|
|
+ if (clockCtl1 & doubler_mask) {
|
|
+ multiplier = multiplier << 1;
|
|
+ }
|
|
+ return (40000000 / preDivisor) * multiplier;
|
|
+}
|
|
+
|
|
+static inline int
|
|
+ar5312_sys_frequency(void)
|
|
+{
|
|
+ return ar5312_cpu_frequency() / 4;
|
|
+}
|
|
+
|
|
+void __init
|
|
+ar5312_time_init(void)
|
|
+{
|
|
+ if (!is_5312())
|
|
+ return;
|
|
+
|
|
+ mips_hpt_frequency = ar5312_cpu_frequency() / 2;
|
|
+}
|
|
+
|
|
+
|
|
+void __init
|
|
+ar5312_prom_init(void)
|
|
+{
|
|
+ u32 memsize, memcfg, bank0AC, bank1AC;
|
|
+ u32 devid;
|
|
+
|
|
+ if (!is_5312())
|
|
+ return;
|
|
+
|
|
+ /* Detect memory size */
|
|
+ memcfg = ar231x_read_reg(AR531X_MEM_CFG1);
|
|
+ bank0AC = (memcfg & MEM_CFG1_AC0) >> MEM_CFG1_AC0_S;
|
|
+ bank1AC = (memcfg & MEM_CFG1_AC1) >> MEM_CFG1_AC1_S;
|
|
+ memsize = (bank0AC ? (1 << (bank0AC+1)) : 0)
|
|
+ + (bank1AC ? (1 << (bank1AC+1)) : 0);
|
|
+ memsize <<= 20;
|
|
+ add_memory_region(0, memsize, BOOT_MEM_RAM);
|
|
+
|
|
+ devid = ar231x_read_reg(AR531X_REV);
|
|
+ devid >>= AR531X_REV_WMAC_MIN_S;
|
|
+ devid &= AR531X_REV_CHIP;
|
|
+ ar231x_board.devid = (u16) devid;
|
|
+ ar231x_gpiodev = &ar5312_gpiodev;
|
|
+}
|
|
+
|
|
+void __init
|
|
+ar5312_plat_setup(void)
|
|
+{
|
|
+ if (!is_5312())
|
|
+ return;
|
|
+
|
|
+ /* Clear any lingering AHB errors */
|
|
+ ar231x_read_reg(AR531X_PROCADDR);
|
|
+ ar231x_read_reg(AR531X_DMAADDR);
|
|
+ ar231x_write_reg(AR531X_WD_CTRL, AR531X_WD_CTRL_IGNORE_EXPIRATION);
|
|
+
|
|
+ _machine_restart = ar5312_restart;
|
|
+ ar231x_serial_setup(KSEG1ADDR(AR531X_UART0), ar5312_sys_frequency());
|
|
+}
|
|
+
|
|
--- /dev/null
|
|
+++ b/arch/mips/ar231x/ar2315.c
|
|
@@ -0,0 +1,658 @@
|
|
+/*
|
|
+ * This file is subject to the terms and conditions of the GNU General Public
|
|
+ * License. See the file "COPYING" in the main directory of this archive
|
|
+ * for more details.
|
|
+ *
|
|
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
|
|
+ * Copyright (C) 2006 FON Technology, SL.
|
|
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
|
|
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
|
|
+ */
|
|
+
|
|
+/*
|
|
+ * Platform devices for Atheros SoCs
|
|
+ */
|
|
+
|
|
+#include <linux/autoconf.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/string.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/reboot.h>
|
|
+#include <linux/delay.h>
|
|
+#include <linux/leds.h>
|
|
+#include <asm/bootinfo.h>
|
|
+#include <asm/reboot.h>
|
|
+#include <asm/time.h>
|
|
+#include <asm/irq.h>
|
|
+#include <asm/io.h>
|
|
+#include <asm/gpio.h>
|
|
+
|
|
+#include <ar231x_platform.h>
|
|
+#include <ar2315_regs.h>
|
|
+#include <ar231x.h>
|
|
+#include "devices.h"
|
|
+#include "ar2315.h"
|
|
+
|
|
+static u32 gpiointmask = 0, gpiointval = 0;
|
|
+
|
|
+static inline void ar2315_gpio_irq(void)
|
|
+{
|
|
+ u32 pend;
|
|
+ int bit = -1;
|
|
+
|
|
+ /* only do one gpio interrupt at a time */
|
|
+ pend = (ar231x_read_reg(AR2315_GPIO_DI) ^ gpiointval) & gpiointmask;
|
|
+
|
|
+ if (pend) {
|
|
+ bit = fls(pend) - 1;
|
|
+ pend &= ~(1 << bit);
|
|
+ gpiointval ^= (1 << bit);
|
|
+ }
|
|
+
|
|
+ if (!pend)
|
|
+ ar231x_write_reg(AR2315_ISR, AR2315_ISR_GPIO);
|
|
+
|
|
+ /* Enable interrupt with edge detection */
|
|
+ if ((ar231x_read_reg(AR2315_GPIO_CR) & AR2315_GPIO_CR_M(bit)) != AR2315_GPIO_CR_I(bit))
|
|
+ return;
|
|
+
|
|
+ if (bit >= 0)
|
|
+ do_IRQ(AR531X_GPIO_IRQ_BASE + bit);
|
|
+}
|
|
+
|
|
+
|
|
+/*
|
|
+ * Called when an interrupt is received, this function
|
|
+ * determines exactly which interrupt it was, and it
|
|
+ * invokes the appropriate handler.
|
|
+ *
|
|
+ * Implicitly, we also define interrupt priority by
|
|
+ * choosing which to dispatch first.
|
|
+ */
|
|
+static asmlinkage void
|
|
+ar2315_irq_dispatch(void)
|
|
+{
|
|
+ int pending = read_c0_status() & read_c0_cause();
|
|
+
|
|
+ if (pending & CAUSEF_IP3)
|
|
+ do_IRQ(AR2315_IRQ_WLAN0_INTRS);
|
|
+ else if (pending & CAUSEF_IP4)
|
|
+ do_IRQ(AR2315_IRQ_ENET0_INTRS);
|
|
+ else if (pending & CAUSEF_IP2) {
|
|
+ unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) & ar231x_read_reg(AR2315_IMR);
|
|
+
|
|
+ if (misc_intr & AR2315_ISR_SPI)
|
|
+ do_IRQ(AR531X_MISC_IRQ_SPI);
|
|
+ else if (misc_intr & AR2315_ISR_TIMER)
|
|
+ do_IRQ(AR531X_MISC_IRQ_TIMER);
|
|
+ else if (misc_intr & AR2315_ISR_AHB)
|
|
+ do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
|
|
+ else if (misc_intr & AR2315_ISR_GPIO)
|
|
+ ar2315_gpio_irq();
|
|
+ else if (misc_intr & AR2315_ISR_UART0)
|
|
+ do_IRQ(AR531X_MISC_IRQ_UART0);
|
|
+ else if (misc_intr & AR2315_ISR_WD)
|
|
+ do_IRQ(AR531X_MISC_IRQ_WATCHDOG);
|
|
+ else
|
|
+ do_IRQ(AR531X_MISC_IRQ_NONE);
|
|
+ } else if (pending & CAUSEF_IP7)
|
|
+ do_IRQ(AR531X_IRQ_CPU_CLOCK);
|
|
+}
|
|
+
|
|
+static void ar2315_set_gpiointmask(int gpio, int level)
|
|
+{
|
|
+ u32 reg;
|
|
+
|
|
+ reg = ar231x_read_reg(AR2315_GPIO_INT);
|
|
+ reg &= ~(AR2315_GPIO_INT_M | AR2315_GPIO_INT_LVL_M);
|
|
+ reg |= gpio | AR2315_GPIO_INT_LVL(level);
|
|
+ ar231x_write_reg(AR2315_GPIO_INT, reg);
|
|
+}
|
|
+
|
|
+static void ar2315_gpio_intr_enable(unsigned int irq)
|
|
+{
|
|
+ unsigned int gpio = irq - AR531X_GPIO_IRQ_BASE;
|
|
+
|
|
+ /* Enable interrupt with edge detection */
|
|
+ if ((ar231x_read_reg(AR2315_GPIO_CR) & AR2315_GPIO_CR_M(gpio)) != AR2315_GPIO_CR_I(gpio))
|
|
+ return;
|
|
+
|
|
+ gpiointmask |= (1 << gpio);
|
|
+ ar2315_set_gpiointmask(gpio, 3);
|
|
+}
|
|
+
|
|
+static unsigned int ar2315_gpio_intr_startup(unsigned int irq)
|
|
+{
|
|
+ unsigned int gpio = irq - AR531X_GPIO_IRQ_BASE;
|
|
+
|
|
+ /* reconfigure GPIO line as input */
|
|
+ ar231x_mask_reg(AR2315_GPIO_CR, AR2315_GPIO_CR_M(gpio), AR2315_GPIO_CR_I(gpio));
|
|
+ ar2315_gpio_intr_enable(irq);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void ar2315_gpio_intr_disable(unsigned int irq)
|
|
+{
|
|
+ unsigned int gpio = irq - AR531X_GPIO_IRQ_BASE;
|
|
+
|
|
+ /* Disable interrupt */
|
|
+ gpiointmask &= ~(1 << gpio);
|
|
+ ar2315_set_gpiointmask(gpio, 0);
|
|
+}
|
|
+
|
|
+static void
|
|
+ar2315_gpio_intr_end(unsigned int irq)
|
|
+{
|
|
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
|
|
+ ar2315_gpio_intr_enable(irq);
|
|
+}
|
|
+
|
|
+static struct irq_chip ar2315_gpio_intr_controller = {
|
|
+ .typename = "AR2315-GPIO",
|
|
+ .startup = ar2315_gpio_intr_startup,
|
|
+ .ack = ar2315_gpio_intr_disable,
|
|
+ .mask_ack = ar2315_gpio_intr_disable,
|
|
+ .mask = ar2315_gpio_intr_disable,
|
|
+ .unmask = ar2315_gpio_intr_enable,
|
|
+ .end = ar2315_gpio_intr_end,
|
|
+};
|
|
+
|
|
+static void
|
|
+ar2315_misc_intr_enable(unsigned int irq)
|
|
+{
|
|
+ unsigned int imr;
|
|
+
|
|
+ imr = ar231x_read_reg(AR2315_IMR);
|
|
+ switch(irq) {
|
|
+ case AR531X_MISC_IRQ_SPI:
|
|
+ imr |= AR2315_ISR_SPI;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_TIMER:
|
|
+ imr |= AR2315_ISR_TIMER;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_AHB_PROC:
|
|
+ imr |= AR2315_ISR_AHB;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_GPIO:
|
|
+ imr |= AR2315_ISR_GPIO;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_UART0:
|
|
+ imr |= AR2315_ISR_UART0;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_WATCHDOG:
|
|
+ imr |= AR2315_ISR_WD;
|
|
+ break;
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+ ar231x_write_reg(AR2315_IMR, imr);
|
|
+}
|
|
+
|
|
+static void
|
|
+ar2315_misc_intr_disable(unsigned int irq)
|
|
+{
|
|
+ unsigned int imr;
|
|
+
|
|
+ imr = ar231x_read_reg(AR2315_IMR);
|
|
+ switch(irq) {
|
|
+ case AR531X_MISC_IRQ_SPI:
|
|
+ imr &= ~AR2315_ISR_SPI;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_TIMER:
|
|
+ imr &= ~AR2315_ISR_TIMER;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_AHB_PROC:
|
|
+ imr &= ~AR2315_ISR_AHB;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_GPIO:
|
|
+ imr &= ~AR2315_ISR_GPIO;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_UART0:
|
|
+ imr &= ~AR2315_ISR_UART0;
|
|
+ break;
|
|
+ case AR531X_MISC_IRQ_WATCHDOG:
|
|
+ imr &= ~AR2315_ISR_WD;
|
|
+ break;
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+ ar231x_write_reg(AR2315_IMR, imr);
|
|
+}
|
|
+
|
|
+static void
|
|
+ar2315_misc_intr_end(unsigned int irq)
|
|
+{
|
|
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
|
|
+ ar2315_misc_intr_enable(irq);
|
|
+}
|
|
+
|
|
+
|
|
+static struct irq_chip ar2315_misc_intr_controller = {
|
|
+ .typename = "AR2315-MISC",
|
|
+ .ack = ar2315_misc_intr_disable,
|
|
+ .mask_ack = ar2315_misc_intr_disable,
|
|
+ .mask = ar2315_misc_intr_disable,
|
|
+ .unmask = ar2315_misc_intr_enable,
|
|
+ .end = ar2315_misc_intr_end,
|
|
+};
|
|
+
|
|
+static irqreturn_t ar2315_ahb_proc_handler(int cpl, void *dev_id)
|
|
+{
|
|
+ ar231x_write_reg(AR2315_AHB_ERR0, AHB_ERROR_DET);
|
|
+ ar231x_read_reg(AR2315_AHB_ERR1);
|
|
+
|
|
+ printk(KERN_ERR "AHB fatal error\n");
|
|
+ machine_restart("AHB error"); /* Catastrophic failure */
|
|
+
|
|
+ return IRQ_HANDLED;
|
|
+}
|
|
+
|
|
+static struct irqaction ar2315_ahb_proc_interrupt = {
|
|
+ .handler = ar2315_ahb_proc_handler,
|
|
+ .flags = IRQF_DISABLED,
|
|
+ .name = "ar2315_ahb_proc_interrupt",
|
|
+};
|
|
+
|
|
+static struct irqaction cascade = {
|
|
+ .handler = no_action,
|
|
+ .flags = IRQF_DISABLED,
|
|
+ .name = "cascade",
|
|
+};
|
|
+
|
|
+void
|
|
+ar2315_irq_init(void)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ if (!is_2315())
|
|
+ return;
|
|
+
|
|
+ ar231x_irq_dispatch = ar2315_irq_dispatch;
|
|
+ gpiointval = ar231x_read_reg(AR2315_GPIO_DI);
|
|
+ for (i = 0; i < AR531X_MISC_IRQ_COUNT; i++) {
|
|
+ int irq = AR531X_MISC_IRQ_BASE + i;
|
|
+ set_irq_chip_and_handler(irq, &ar2315_misc_intr_controller,
|
|
+ handle_level_irq);
|
|
+ }
|
|
+ for (i = 0; i < AR531X_GPIO_IRQ_COUNT; i++) {
|
|
+ int irq = AR531X_GPIO_IRQ_BASE + i;
|
|
+ set_irq_chip_and_handler(irq, &ar2315_gpio_intr_controller,
|
|
+ handle_level_irq);
|
|
+ }
|
|
+ setup_irq(AR531X_MISC_IRQ_GPIO, &cascade);
|
|
+ setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar2315_ahb_proc_interrupt);
|
|
+ setup_irq(AR2315_IRQ_MISC_INTRS, &cascade);
|
|
+}
|
|
+
|
|
+const struct ar231x_gpiodev ar2315_gpiodev;
|
|
+
|
|
+static u32
|
|
+ar2315_gpio_get_output(void)
|
|
+{
|
|
+ u32 reg;
|
|
+ reg = ar231x_read_reg(AR2315_GPIO_CR);
|
|
+ reg &= ar2315_gpiodev.valid_mask;
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+static u32
|
|
+ar2315_gpio_set_output(u32 mask, u32 val)
|
|
+{
|
|
+ u32 reg;
|
|
+
|
|
+ reg = ar231x_read_reg(AR2315_GPIO_CR);
|
|
+ reg &= ~mask;
|
|
+ reg |= val;
|
|
+ ar231x_write_reg(AR2315_GPIO_CR, reg);
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+static u32
|
|
+ar2315_gpio_get(void)
|
|
+{
|
|
+ u32 reg;
|
|
+ reg = ar231x_read_reg(AR2315_GPIO_DI);
|
|
+ reg &= ar2315_gpiodev.valid_mask;
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+static u32
|
|
+ar2315_gpio_set(u32 mask, u32 value)
|
|
+{
|
|
+ u32 reg;
|
|
+ reg = ar231x_read_reg(AR2315_GPIO_DO);
|
|
+ reg &= ~mask;
|
|
+ reg |= value;
|
|
+ ar231x_write_reg(AR2315_GPIO_DO, reg);
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+const struct ar231x_gpiodev ar2315_gpiodev = {
|
|
+ .valid_mask = (1 << 22) - 1,
|
|
+ .get_output = ar2315_gpio_get_output,
|
|
+ .set_output = ar2315_gpio_set_output,
|
|
+ .get = ar2315_gpio_get,
|
|
+ .set = ar2315_gpio_set,
|
|
+};
|
|
+
|
|
+static struct ar231x_eth ar2315_eth_data = {
|
|
+ .reset_base = AR2315_RESET,
|
|
+ .reset_mac = AR2315_RESET_ENET0,
|
|
+ .reset_phy = AR2315_RESET_EPHY0,
|
|
+ .phy_base = AR2315_ENET0,
|
|
+ .config = &ar231x_board,
|
|
+};
|
|
+
|
|
+static struct resource ar2315_spiflash_res[] = {
|
|
+ {
|
|
+ .name = "flash_base",
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ .start = KSEG1ADDR(AR2315_SPI_READ),
|
|
+ .end = KSEG1ADDR(AR2315_SPI_READ) + 0x1000000 - 1,
|
|
+ },
|
|
+ {
|
|
+ .name = "flash_regs",
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ .start = 0x11300000,
|
|
+ .end = 0x11300012,
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct platform_device ar2315_spiflash = {
|
|
+ .id = 0,
|
|
+ .name = "spiflash",
|
|
+ .resource = ar2315_spiflash_res,
|
|
+ .num_resources = ARRAY_SIZE(ar2315_spiflash_res)
|
|
+};
|
|
+
|
|
+static struct platform_device ar2315_wdt = {
|
|
+ .id = 0,
|
|
+ .name = "ar2315_wdt",
|
|
+};
|
|
+
|
|
+#define SPI_FLASH_CTL 0x00
|
|
+#define SPI_FLASH_OPCODE 0x04
|
|
+#define SPI_FLASH_DATA 0x08
|
|
+
|
|
+static inline u32
|
|
+spiflash_read_reg(int reg)
|
|
+{
|
|
+ return ar231x_read_reg(KSEG1ADDR(AR2315_SPI) + reg);
|
|
+}
|
|
+
|
|
+static inline void
|
|
+spiflash_write_reg(int reg, u32 data)
|
|
+{
|
|
+ ar231x_write_reg(KSEG1ADDR(AR2315_SPI) + reg, data);
|
|
+}
|
|
+
|
|
+static u32
|
|
+spiflash_wait_status(void)
|
|
+{
|
|
+ u32 reg;
|
|
+
|
|
+ do {
|
|
+ reg = spiflash_read_reg(SPI_FLASH_CTL);
|
|
+ } while (reg & SPI_CTL_BUSY);
|
|
+
|
|
+ return reg;
|
|
+}
|
|
+
|
|
+static u8
|
|
+spiflash_probe(void)
|
|
+{
|
|
+ u32 reg;
|
|
+
|
|
+ reg = spiflash_wait_status();
|
|
+ reg &= ~SPI_CTL_TX_RX_CNT_MASK;
|
|
+ reg |= (1 << 4) | 4 | SPI_CTL_START;
|
|
+
|
|
+ spiflash_write_reg(SPI_FLASH_OPCODE, 0xab);
|
|
+ spiflash_write_reg(SPI_FLASH_CTL, reg);
|
|
+
|
|
+ reg = spiflash_wait_status();
|
|
+ reg = spiflash_read_reg(SPI_FLASH_DATA);
|
|
+ reg &= 0xff;
|
|
+
|
|
+ return (u8) reg;
|
|
+}
|
|
+
|
|
+
|
|
+#define STM_8MBIT_SIGNATURE 0x13
|
|
+#define STM_16MBIT_SIGNATURE 0x14
|
|
+#define STM_32MBIT_SIGNATURE 0x15
|
|
+#define STM_64MBIT_SIGNATURE 0x16
|
|
+#define STM_128MBIT_SIGNATURE 0x17
|
|
+
|
|
+static u8 __init *
|
|
+ar2315_flash_limit(void)
|
|
+{
|
|
+ u32 flash_size = 0;
|
|
+
|
|
+ /* probe the flash chip size */
|
|
+ switch(spiflash_probe()) {
|
|
+ case STM_8MBIT_SIGNATURE:
|
|
+ flash_size = 0x00100000;
|
|
+ break;
|
|
+ case STM_16MBIT_SIGNATURE:
|
|
+ flash_size = 0x00200000;
|
|
+ break;
|
|
+ case STM_32MBIT_SIGNATURE:
|
|
+ flash_size = 0x00400000;
|
|
+ break;
|
|
+ case STM_64MBIT_SIGNATURE:
|
|
+ flash_size = 0x00800000;
|
|
+ break;
|
|
+ case STM_128MBIT_SIGNATURE:
|
|
+ flash_size = 0x01000000;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ ar2315_spiflash_res[0].end = ar2315_spiflash_res[0].start +
|
|
+ flash_size - 1;
|
|
+ return (u8 *) ar2315_spiflash_res[0].end + 1;
|
|
+}
|
|
+
|
|
+#ifdef CONFIG_LEDS_GPIO
|
|
+static struct gpio_led ar2315_leds[6];
|
|
+static struct gpio_led_platform_data ar2315_led_data = {
|
|
+ .leds = (void *) ar2315_leds,
|
|
+};
|
|
+
|
|
+static struct platform_device ar2315_gpio_leds = {
|
|
+ .name = "leds-gpio",
|
|
+ .id = -1,
|
|
+ .dev = {
|
|
+ .platform_data = (void *) &ar2315_led_data,
|
|
+ }
|
|
+};
|
|
+
|
|
+static void __init
|
|
+ar2315_init_gpio(void)
|
|
+{
|
|
+ static char led_names[6][6];
|
|
+ int i, led = 0;
|
|
+
|
|
+ ar2315_led_data.num_leds = 0;
|
|
+ for(i = 1; i < 8; i++)
|
|
+ {
|
|
+ if((i == AR2315_RESET_GPIO) ||
|
|
+ (i == ar231x_board.config->resetConfigGpio))
|
|
+ continue;
|
|
+
|
|
+ if(i == ar231x_board.config->sysLedGpio)
|
|
+ strcpy(led_names[led], "wlan");
|
|
+ else
|
|
+ sprintf(led_names[led], "gpio%d", i);
|
|
+
|
|
+ ar2315_leds[led].name = led_names[led];
|
|
+ ar2315_leds[led].gpio = i;
|
|
+ ar2315_leds[led].active_low = 0;
|
|
+ led++;
|
|
+ }
|
|
+ ar2315_led_data.num_leds = led;
|
|
+ platform_device_register(&ar2315_gpio_leds);
|
|
+}
|
|
+#else
|
|
+static inline void ar2315_init_gpio(void)
|
|
+{
|
|
+}
|
|
+#endif
|
|
+
|
|
+int __init
|
|
+ar2315_init_devices(void)
|
|
+{
|
|
+ if (!is_2315())
|
|
+ return 0;
|
|
+
|
|
+ /* Find board configuration */
|
|
+ ar231x_find_config(ar2315_flash_limit());
|
|
+ ar2315_eth_data.macaddr = ar231x_board.config->enet0_mac;
|
|
+
|
|
+ ar2315_init_gpio();
|
|
+ platform_device_register(&ar2315_wdt);
|
|
+ platform_device_register(&ar2315_spiflash);
|
|
+ ar231x_add_ethernet(0, AR2315_ENET0, AR2315_IRQ_ENET0_INTRS,
|
|
+ &ar2315_eth_data);
|
|
+ ar231x_add_wmac(0, AR2315_WLAN0, AR2315_IRQ_WLAN0_INTRS);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void
|
|
+ar2315_restart(char *command)
|
|
+{
|
|
+ void (*mips_reset_vec)(void) = (void *) 0xbfc00000;
|
|
+
|
|
+ local_irq_disable();
|
|
+
|
|
+ /* try reset the system via reset control */
|
|
+ ar231x_write_reg(AR2315_COLD_RESET,AR2317_RESET_SYSTEM);
|
|
+
|
|
+ /* Cold reset does not work on the AR2315/6, use the GPIO reset bits a workaround.
|
|
+ * give it some time to attempt a gpio based hardware reset
|
|
+ * (atheros reference design workaround) */
|
|
+ gpio_direction_output(AR2315_RESET_GPIO, 0);
|
|
+ mdelay(100);
|
|
+
|
|
+ /* Some boards (e.g. Senao EOC-2610) don't implement the reset logic
|
|
+ * workaround. Attempt to jump to the mips reset location -
|
|
+ * the boot loader itself might be able to recover the system */
|
|
+ mips_reset_vec();
|
|
+}
|
|
+
|
|
+
|
|
+/*
|
|
+ * This table is indexed by bits 5..4 of the CLOCKCTL1 register
|
|
+ * to determine the predevisor value.
|
|
+ */
|
|
+static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = { 1, 2, 4, 5 };
|
|
+static int __initdata PLLC_DIVIDE_TABLE[5] = { 2, 3, 4, 6, 3 };
|
|
+
|
|
+static unsigned int __init
|
|
+ar2315_sys_clk(unsigned int clockCtl)
|
|
+{
|
|
+ unsigned int pllcCtrl,cpuDiv;
|
|
+ unsigned int pllcOut,refdiv,fdiv,divby2;
|
|
+ unsigned int clkDiv;
|
|
+
|
|
+ pllcCtrl = ar231x_read_reg(AR2315_PLLC_CTL);
|
|
+ refdiv = (pllcCtrl & PLLC_REF_DIV_M) >> PLLC_REF_DIV_S;
|
|
+ refdiv = CLOCKCTL1_PREDIVIDE_TABLE[refdiv];
|
|
+ fdiv = (pllcCtrl & PLLC_FDBACK_DIV_M) >> PLLC_FDBACK_DIV_S;
|
|
+ divby2 = (pllcCtrl & PLLC_ADD_FDBACK_DIV_M) >> PLLC_ADD_FDBACK_DIV_S;
|
|
+ divby2 += 1;
|
|
+ pllcOut = (40000000/refdiv)*(2*divby2)*fdiv;
|
|
+
|
|
+
|
|
+ /* clkm input selected */
|
|
+ switch(clockCtl & CPUCLK_CLK_SEL_M) {
|
|
+ case 0:
|
|
+ case 1:
|
|
+ clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKM_DIV_M) >> PLLC_CLKM_DIV_S];
|
|
+ break;
|
|
+ case 2:
|
|
+ clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKC_DIV_M) >> PLLC_CLKC_DIV_S];
|
|
+ break;
|
|
+ default:
|
|
+ pllcOut = 40000000;
|
|
+ clkDiv = 1;
|
|
+ break;
|
|
+ }
|
|
+ cpuDiv = (clockCtl & CPUCLK_CLK_DIV_M) >> CPUCLK_CLK_DIV_S;
|
|
+ cpuDiv = cpuDiv * 2 ?: 1;
|
|
+ return (pllcOut/(clkDiv * cpuDiv));
|
|
+}
|
|
+
|
|
+static inline unsigned int
|
|
+ar2315_cpu_frequency(void)
|
|
+{
|
|
+ return ar2315_sys_clk(ar231x_read_reg(AR2315_CPUCLK));
|
|
+}
|
|
+
|
|
+static inline unsigned int
|
|
+ar2315_apb_frequency(void)
|
|
+{
|
|
+ return ar2315_sys_clk(ar231x_read_reg(AR2315_AMBACLK));
|
|
+}
|
|
+
|
|
+void __init
|
|
+ar2315_time_init(void)
|
|
+{
|
|
+ if (!is_2315())
|
|
+ return;
|
|
+
|
|
+ mips_hpt_frequency = ar2315_cpu_frequency() / 2;
|
|
+}
|
|
+
|
|
+void __init
|
|
+ar2315_prom_init(void)
|
|
+{
|
|
+ u32 memsize, memcfg, devid;
|
|
+
|
|
+ if (!is_2315())
|
|
+ return;
|
|
+
|
|
+ memcfg = ar231x_read_reg(AR2315_MEM_CFG);
|
|
+ memsize = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S);
|
|
+ memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S);
|
|
+ memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S);
|
|
+ memsize <<= 3;
|
|
+ add_memory_region(0, memsize, BOOT_MEM_RAM);
|
|
+
|
|
+ /* Detect the hardware based on the device ID */
|
|
+ devid = ar231x_read_reg(AR2315_SREV) & AR2315_REV_CHIP;
|
|
+ switch(devid) {
|
|
+ case 0x90:
|
|
+ case 0x91:
|
|
+ ar231x_devtype = DEV_TYPE_AR2317;
|
|
+ break;
|
|
+ default:
|
|
+ ar231x_devtype = DEV_TYPE_AR2315;
|
|
+ break;
|
|
+ }
|
|
+ ar231x_gpiodev = &ar2315_gpiodev;
|
|
+ ar231x_board.devid = devid;
|
|
+}
|
|
+
|
|
+void __init
|
|
+ar2315_plat_setup(void)
|
|
+{
|
|
+ u32 config;
|
|
+
|
|
+ if (!is_2315())
|
|
+ return;
|
|
+
|
|
+ /* Clear any lingering AHB errors */
|
|
+ config = read_c0_config();
|
|
+ write_c0_config(config & ~0x3);
|
|
+ ar231x_write_reg(AR2315_AHB_ERR0,AHB_ERROR_DET);
|
|
+ ar231x_read_reg(AR2315_AHB_ERR1);
|
|
+ ar231x_write_reg(AR2315_WDC, AR2315_WDC_IGNORE_EXPIRATION);
|
|
+
|
|
+ _machine_restart = ar2315_restart;
|
|
+ ar231x_serial_setup(KSEG1ADDR(AR2315_UART0), ar2315_apb_frequency());
|
|
+}
|
|
--- /dev/null
|
|
+++ b/arch/mips/ar231x/ar2315.h
|
|
@@ -0,0 +1,37 @@
|
|
+#ifndef __AR2315_H
|
|
+#define __AR2315_H
|
|
+
|
|
+#ifdef CONFIG_ATHEROS_AR2315
|
|
+
|
|
+extern void ar2315_irq_init(void);
|
|
+extern int ar2315_init_devices(void);
|
|
+extern void ar2315_prom_init(void);
|
|
+extern void ar2315_plat_setup(void);
|
|
+extern void ar2315_time_init(void);
|
|
+
|
|
+#else
|
|
+
|
|
+static inline void ar2315_irq_init(void)
|
|
+{
|
|
+}
|
|
+
|
|
+static inline int ar2315_init_devices(void)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline void ar2315_prom_init(void)
|
|
+{
|
|
+}
|
|
+
|
|
+static inline void ar2315_plat_setup(void)
|
|
+{
|
|
+}
|
|
+
|
|
+static inline void ar2315_time_init(void)
|
|
+{
|
|
+}
|
|
+
|
|
+#endif
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/mips/ar231x/ar5312.h
|
|
@@ -0,0 +1,38 @@
|
|
+#ifndef __AR5312_H
|
|
+#define __AR5312_H
|
|
+
|
|
+#ifdef CONFIG_ATHEROS_AR5312
|
|
+
|
|
+extern void ar5312_irq_init(void);
|
|
+extern int ar5312_init_devices(void);
|
|
+extern void ar5312_prom_init(void);
|
|
+extern void ar5312_plat_setup(void);
|
|
+extern void ar5312_time_init(void);
|
|
+extern void ar5312_time_init(void);
|
|
+
|
|
+#else
|
|
+
|
|
+static inline void ar5312_irq_init(void)
|
|
+{
|
|
+}
|
|
+
|
|
+static inline int ar5312_init_devices(void)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static inline void ar5312_prom_init(void)
|
|
+{
|
|
+}
|
|
+
|
|
+static inline void ar5312_plat_setup(void)
|
|
+{
|
|
+}
|
|
+
|
|
+static inline void ar5312_time_init(void)
|
|
+{
|
|
+}
|
|
+
|
|
+#endif
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-ar231x/ar231x.h
|
|
@@ -0,0 +1,54 @@
|
|
+#ifndef __AR531X_H
|
|
+#define __AR531X_H
|
|
+
|
|
+#define AR531X_MISC_IRQ_BASE 0x20
|
|
+#define AR531X_GPIO_IRQ_BASE 0x30
|
|
+
|
|
+/* Software's idea of interrupts handled by "CPU Interrupt Controller" */
|
|
+#define AR531X_IRQ_NONE MIPS_CPU_IRQ_BASE+0
|
|
+#define AR531X_IRQ_CPU_CLOCK MIPS_CPU_IRQ_BASE+7 /* C0_CAUSE: 0x8000 */
|
|
+
|
|
+/* Miscellaneous interrupts, which share IP6 */
|
|
+#define AR531X_MISC_IRQ_NONE AR531X_MISC_IRQ_BASE+0
|
|
+#define AR531X_MISC_IRQ_TIMER AR531X_MISC_IRQ_BASE+1
|
|
+#define AR531X_MISC_IRQ_AHB_PROC AR531X_MISC_IRQ_BASE+2
|
|
+#define AR531X_MISC_IRQ_AHB_DMA AR531X_MISC_IRQ_BASE+3
|
|
+#define AR531X_MISC_IRQ_GPIO AR531X_MISC_IRQ_BASE+4
|
|
+#define AR531X_MISC_IRQ_UART0 AR531X_MISC_IRQ_BASE+5
|
|
+#define AR531X_MISC_IRQ_UART0_DMA AR531X_MISC_IRQ_BASE+6
|
|
+#define AR531X_MISC_IRQ_WATCHDOG AR531X_MISC_IRQ_BASE+7
|
|
+#define AR531X_MISC_IRQ_LOCAL AR531X_MISC_IRQ_BASE+8
|
|
+#define AR531X_MISC_IRQ_SPI AR531X_MISC_IRQ_BASE+9
|
|
+#define AR531X_MISC_IRQ_COUNT 10
|
|
+
|
|
+/* GPIO Interrupts [0..7], share AR531X_MISC_IRQ_GPIO */
|
|
+#define AR531X_GPIO_IRQ_NONE AR531X_GPIO_IRQ_BASE+0
|
|
+#define AR531X_GPIO_IRQ(n) AR531X_GPIO_IRQ_BASE+n
|
|
+#define AR531X_GPIO_IRQ_COUNT 22
|
|
+
|
|
+static inline u32
|
|
+ar231x_read_reg(u32 reg)
|
|
+{
|
|
+ return __raw_readl((u32 *) KSEG1ADDR(reg));
|
|
+}
|
|
+
|
|
+static inline void
|
|
+ar231x_write_reg(u32 reg, u32 val)
|
|
+{
|
|
+ __raw_writel(val, (u32 *) KSEG1ADDR(reg));
|
|
+}
|
|
+
|
|
+static inline u32
|
|
+ar231x_mask_reg(u32 reg, u32 mask, u32 val)
|
|
+{
|
|
+ u32 ret;
|
|
+
|
|
+ ret = ar231x_read_reg(reg);
|
|
+ ret &= ~mask;
|
|
+ ret |= val;
|
|
+ ar231x_write_reg(reg, ret);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/mips/ar231x/devices.h
|
|
@@ -0,0 +1,37 @@
|
|
+#ifndef __AR231X_DEVICES_H
|
|
+#define __AR231X_DEVICES_H
|
|
+
|
|
+enum {
|
|
+ /* handled by ar5312.c */
|
|
+ DEV_TYPE_AR2312,
|
|
+ DEV_TYPE_AR2313,
|
|
+ DEV_TYPE_AR5312,
|
|
+
|
|
+ /* handled by ar2315.c */
|
|
+ DEV_TYPE_AR2315,
|
|
+ DEV_TYPE_AR2316,
|
|
+ DEV_TYPE_AR2317,
|
|
+
|
|
+ DEV_TYPE_UNKNOWN
|
|
+};
|
|
+
|
|
+extern int ar231x_devtype;
|
|
+extern struct ar231x_board_config ar231x_board;
|
|
+extern asmlinkage void (*ar231x_irq_dispatch)(void);
|
|
+
|
|
+extern int ar231x_find_config(u8 *flash_limit);
|
|
+extern void ar231x_serial_setup(u32 mapbase, unsigned int uartclk);
|
|
+extern int ar231x_add_wmac(int nr, u32 base, int irq);
|
|
+extern int ar231x_add_ethernet(int nr, u32 base, int irq, void *pdata);
|
|
+
|
|
+static inline bool is_2315(void)
|
|
+{
|
|
+ return (current_cpu_data.cputype == CPU_4KEC);
|
|
+}
|
|
+
|
|
+static inline bool is_5312(void)
|
|
+{
|
|
+ return !is_2315();
|
|
+}
|
|
+
|
|
+#endif
|
|
--- /dev/null
|
|
+++ b/arch/mips/ar231x/devices.c
|
|
@@ -0,0 +1,175 @@
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/serial.h>
|
|
+#include <linux/serial_core.h>
|
|
+#include <linux/serial_8250.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <ar231x_platform.h>
|
|
+#include <ar231x.h>
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+#include "devices.h"
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+#include "ar5312.h"
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+#include "ar2315.h"
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+
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+struct ar231x_board_config ar231x_board;
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+int ar231x_devtype = DEV_TYPE_UNKNOWN;
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+const struct ar231x_gpiodev *ar231x_gpiodev;
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+EXPORT_SYMBOL(ar231x_gpiodev);
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+
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+static struct resource ar231x_eth0_res[] = {
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+ {
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+ .name = "eth0_membase",
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .name = "eth0_irq",
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+ .flags = IORESOURCE_IRQ,
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+ }
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+};
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+
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+static struct resource ar231x_eth1_res[] = {
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+ {
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+ .name = "eth1_membase",
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .name = "eth1_irq",
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+ .flags = IORESOURCE_IRQ,
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+ }
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+};
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+
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+static struct platform_device ar231x_eth[] = {
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+ {
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+ .id = 0,
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+ .name = "ar231x-eth",
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+ .resource = ar231x_eth0_res,
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+ .num_resources = ARRAY_SIZE(ar231x_eth0_res)
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+ },
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+ {
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+ .id = 1,
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+ .name = "ar231x-eth",
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+ .resource = ar231x_eth1_res,
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+ .num_resources = ARRAY_SIZE(ar231x_eth1_res)
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+ }
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+};
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+
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+static struct resource ar231x_wmac0_res[] = {
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+ {
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+ .name = "wmac0_membase",
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .name = "wmac0_irq",
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+ .flags = IORESOURCE_IRQ,
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+ }
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+};
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+
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+static struct resource ar231x_wmac1_res[] = {
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+ {
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+ .name = "wmac1_membase",
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .name = "wmac1_irq",
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+ .flags = IORESOURCE_IRQ,
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+ }
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+};
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+
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+
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+static struct platform_device ar231x_wmac[] = {
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+ {
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+ .id = 0,
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+ .name = "ar231x-wmac",
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+ .resource = ar231x_wmac0_res,
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+ .num_resources = ARRAY_SIZE(ar231x_wmac0_res),
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+ .dev.platform_data = &ar231x_board,
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+ },
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+ {
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+ .id = 1,
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+ .name = "ar231x-wmac",
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+ .resource = ar231x_wmac1_res,
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+ .num_resources = ARRAY_SIZE(ar231x_wmac1_res),
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+ .dev.platform_data = &ar231x_board,
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+ },
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+};
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+
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+static const char *devtype_strings[] = {
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+ [DEV_TYPE_AR5312] = "Atheros AR5312",
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+ [DEV_TYPE_AR2312] = "Atheros AR2312",
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+ [DEV_TYPE_AR2313] = "Atheros AR2313",
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+ [DEV_TYPE_AR2315] = "Atheros AR2315",
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+ [DEV_TYPE_AR2316] = "Atheros AR2316",
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+ [DEV_TYPE_AR2317] = "Atheros AR2317",
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+ [DEV_TYPE_UNKNOWN] = "Atheros (unknown)",
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+};
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+
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+const char *get_system_type(void)
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+{
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+ if ((ar231x_devtype >= ARRAY_SIZE(devtype_strings)) ||
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+ !devtype_strings[ar231x_devtype])
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+ return devtype_strings[DEV_TYPE_UNKNOWN];
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+ return devtype_strings[ar231x_devtype];
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+}
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+
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+
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+int __init
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+ar231x_add_ethernet(int nr, u32 base, int irq, void *pdata)
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+{
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+ struct resource *res;
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+
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+ ar231x_eth[nr].dev.platform_data = pdata;
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+ res = &ar231x_eth[nr].resource[0];
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+ res->start = base;
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+ res->end = base + 0x2000 - 1;
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+ res++;
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+ res->start = irq;
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+ res->end = irq;
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+ return platform_device_register(&ar231x_eth[nr]);
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+}
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+
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+void __init
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+ar231x_serial_setup(u32 mapbase, unsigned int uartclk)
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+{
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+ struct uart_port s;
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+
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+ memset(&s, 0, sizeof(s));
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+
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+ s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
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+ s.iotype = UPIO_MEM;
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+ s.irq = AR531X_MISC_IRQ_UART0;
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+ s.regshift = 2;
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+ s.mapbase = mapbase;
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+ s.uartclk = uartclk;
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+ s.membase = (void __iomem *)s.mapbase;
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+
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+ early_serial_setup(&s);
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+}
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+
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+int __init
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+ar231x_add_wmac(int nr, u32 base, int irq)
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+{
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+ struct resource *res;
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+
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+ ar231x_wmac[nr].dev.platform_data = &ar231x_board;
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+ res = &ar231x_wmac[nr].resource[0];
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+ res->start = base;
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+ res->end = base + 0x10000 - 1;
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+ res++;
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+ res->start = irq;
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+ res->end = irq;
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+ return platform_device_register(&ar231x_wmac[nr]);
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+}
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+
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+static int __init ar231x_register_devices(void)
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+{
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+ static struct resource res = {
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+ .start = 0xFFFFFFFF,
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+ };
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+
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+ platform_device_register_simple("GPIODEV", 0, &res, 1);
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+ ar5312_init_devices();
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+ ar2315_init_devices();
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+
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+ return 0;
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+}
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+
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+device_initcall(ar231x_register_devices);
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