openwrt-xburst/target/linux/lantiq/patches/0023-MIPS-lantiq-adds-basic-vr9-support.patch

From 780a64cd52209fad15c7133f950b2b2d6b9b59e2 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Sat, 27 Aug 2011 21:44:32 +0200
Subject: [PATCH 23/24] MIPS: lantiq: adds basic vr9 support

---
 .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h |    2 +
 arch/mips/lantiq/Kconfig                           |    9 ++
 arch/mips/lantiq/Platform                          |    1 +
 arch/mips/lantiq/machtypes.h                       |    3 +
 arch/mips/lantiq/xway/Kconfig                      |   12 +++
 arch/mips/lantiq/xway/Makefile                     |    2 +
 arch/mips/lantiq/xway/clk-vr9.c                    |   78 ++++++++++++++++++++
 arch/mips/lantiq/xway/mach-fritz.c                 |   74 +++++++++++++++++++
 arch/mips/lantiq/xway/prom-vr9.c                   |   55 ++++++++++++++
 arch/mips/pci/Makefile                             |    2 +-
 10 files changed, 237 insertions(+), 1 deletions(-)
 create mode 100644 arch/mips/lantiq/xway/clk-vr9.c
 create mode 100644 arch/mips/lantiq/xway/mach-fritz.c
 create mode 100644 arch/mips/lantiq/xway/prom-vr9.c

--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
@@ -21,6 +21,7 @@
 #define SOC_ID_ARX188		0x16C
 #define SOC_ID_ARX168		0x16D
 #define SOC_ID_ARX182		0x16F
+#define SOC_ID_VRX288		0x1C0
 
 /* SoC Types */
 #define SOC_TYPE_DANUBE		0x01
@@ -91,6 +92,7 @@
 
 /* ETOP - ethernet */
 #define LTQ_ETOP_BASE_ADDR	0x1E180000
+#define LTQ_ETOP_BASE_ADDR_VR9	0x1E200000
 #define LTQ_ETOP_SIZE		0x40000
 
 /* GBIT - gigabit switch */
--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
@@ -1,5 +1,8 @@
 if LANTIQ
 
+config LANTIQ_PCIE
+	bool
+
 config SOC_TYPE_XWAY
 	bool
 	default n
@@ -17,6 +20,12 @@ config SOC_XWAY
 	select SOC_TYPE_XWAY
 	select HW_HAS_PCI
 
+config SOC_VR9
+	bool "VR9"
+	select SOC_TYPE_XWAY
+	select HW_HAS_PCI
+	select LANTIQ_PCIE
+
 config SOC_FALCON
 	bool "FALCON"
 endchoice
--- a/arch/mips/lantiq/Platform
+++ b/arch/mips/lantiq/Platform
@@ -6,4 +6,5 @@ platform-$(CONFIG_LANTIQ)	+= lantiq/
 cflags-$(CONFIG_LANTIQ)		+= -I$(srctree)/arch/mips/include/asm/mach-lantiq
 load-$(CONFIG_LANTIQ)		= 0xffffffff80002000
 cflags-$(CONFIG_SOC_TYPE_XWAY)	+= -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway
+cflags-$(CONFIG_SOC_TYPE_VR9)	+= -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway
 cflags-$(CONFIG_SOC_FALCON)	+= -I$(srctree)/arch/mips/include/asm/mach-lantiq/falcon
--- a/arch/mips/lantiq/machtypes.h
+++ b/arch/mips/lantiq/machtypes.h
@@ -20,6 +20,9 @@ enum lantiq_mach_type {
 	LANTIQ_MACH_EASY98000,		/* Falcon Eval Board, NOR Flash */
 	LANTIQ_MACH_EASY98000SF,	/* Falcon Eval Board, Serial Flash */
 	LANTIQ_MACH_EASY98000NAND,	/* Falcon Eval Board, NAND Flash */
+
+	/* FRITZ!BOX */
+	LANTIQ_MACH_FRITZ3370,		/* FRITZ!BOX 3370 vdsl cpe */
 };
 
 #endif
--- a/arch/mips/lantiq/xway/Kconfig
+++ b/arch/mips/lantiq/xway/Kconfig
@@ -21,3 +21,15 @@ config LANTIQ_MACH_EASY50601
 endmenu
 
 endif
+
+if SOC_VR9
+
+menu "MIPS Machine"
+
+config LANTIQ_MACH_FRITZ3370
+	bool "Fritz!Box 3370"
+	default y
+
+endmenu
+
+endif
--- a/arch/mips/lantiq/xway/Makefile
+++ b/arch/mips/lantiq/xway/Makefile
@@ -2,6 +2,8 @@ obj-y := sysctrl.o reset.o gpio.o gpio_s
 
 obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
 obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
+obj-$(CONFIG_SOC_VR9) += clk-vr9.o prom-vr9.o
 
 obj-$(CONFIG_LANTIQ_MACH_EASY50712) += mach-easy50712.o
 obj-$(CONFIG_LANTIQ_MACH_EASY50601) += mach-easy50601.o
+obj-$(CONFIG_LANTIQ_MACH_FRITZ3370) += mach-fritz.o
--- /dev/null
+++ b/arch/mips/lantiq/xway/clk-vr9.c
@@ -0,0 +1,78 @@
+/*
+ *  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.
+ *
+ *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+
+#include <asm/time.h>
+#include <asm/irq.h>
+#include <asm/div64.h>
+
+#include <lantiq_soc.h>
+
+#define CLOCK_62_5M                         62500000
+#define CLOCK_83_5M                         83500000
+#define CLOCK_125M                          125000000
+#define CLOCK_200M                          200000000
+#define CLOCK_250M                          250000000
+#define CLOCK_300M                          300000000
+#define CLOCK_98_304M                       98304000
+#define CLOCK_150M                          150000000
+#define CLOCK_196_608M                      196608000
+#define CLOCK_600M                          600000000
+#define CLOCK_500M                          500000000
+#define CLOCK_393M                          393215332
+#define CLOCK_166M                          166666666
+
+#define LTQ_CGU_SYS	0x0c
+#define LTQ_CGU_IF_CLK	0x24
+
+unsigned int ltq_get_cpu_hz(void)
+{
+	int clks[] = {
+		CLOCK_600M, CLOCK_500M,	CLOCK_393M, CLOCK_333M, CLOCK_125M,
+		CLOCK_125M, CLOCK_196_608M, CLOCK_166M, CLOCK_125M, CLOCK_125M };
+	int val = (ltq_cgu_r32(LTQ_CGU_SYS) >> 4) & 0xf;
+
+	if (val > 9)
+		panic("bad cpu speed\n");
+	if (val == 2)
+		panic("missing workaround\n");
+		//cgu_get_pll1_fosc(); //CLOCK_393M;
+	return clks[val];
+}
+EXPORT_SYMBOL(ltq_get_cpu_hz);
+
+unsigned int ltq_get_fpi_hz(void)
+{
+	int clks[] = {
+		CLOCK_62_5M, CLOCK_62_5M, CLOCK_83_5M, CLOCK_125M, CLOCK_125M,
+		CLOCK_125M, CLOCK_167M, CLOCK_200M, CLOCK_250M, CLOCK_300M,
+		CLOCK_62_5M, CLOCK_98_304M, CLOCK_150M, CLOCK_196_608M };
+	int val = ((ltq_cgu_r32(LTQ_CGU_IF_CLK) >> 25) & 0xf);
+
+	if (val > 13)
+		panic("bad fpi speed\n");
+
+	return clks[val];
+}
+EXPORT_SYMBOL(ltq_get_fpi_hz);
+
+unsigned int ltq_get_io_region_clock(void)
+{
+	return ltq_get_fpi_hz() / 2;
+}
+EXPORT_SYMBOL(ltq_get_io_region_clock);
+
+unsigned int ltq_get_fpi_bus_clock(int fpi)
+{
+	return ltq_get_fpi_hz();
+}
+EXPORT_SYMBOL(ltq_get_fpi_bus_clock);
--- /dev/null
+++ b/arch/mips/lantiq/xway/prom-vr9.c
@@ -0,0 +1,55 @@
+/*
+ *  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.
+ *
+ *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+
+#include <lantiq_soc.h>
+
+#include "devices.h"
+#include "../prom.h"
+
+#define SOC_VRX288	"VRX288"
+
+#define PART_SHIFT	12
+#define PART_MASK	0x0FFFFFFF
+#define REV_SHIFT	28
+#define REV_MASK	0xF0000000
+
+void __init ltq_soc_detect(struct ltq_soc_info *i)
+{
+	i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT;
+	i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT;
+	sprintf(i->rev_type, "1.%d", i->rev);
+	switch (i->partnum) {
+	case SOC_ID_VRX288:
+		i->name = SOC_VRX288;
+		i->type = SOC_TYPE_VR9;
+		break;
+
+	default:
+		unreachable();
+		break;
+	}
+	printk("%08X\n", i->partnum);
+}
+
+void __init ltq_soc_setup(void)
+{
+	/*
+		reg = IFX_REG_R32(IFX_XBAR_ALWAYS_LAST);
+		reg &= ~ IFX_XBAR_FPI_BURST_EN;
+		IFX_REG_W32(reg, IFX_XBAR_ALWAYS_LAST);
+	*/
+
+	ltq_register_asc(1);
+	ltq_register_gpio();
+	ltq_register_wdt();
+}
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -41,7 +41,7 @@ obj-$(CONFIG_SIBYTE_SB1250)	+= fixup-sb1
 obj-$(CONFIG_SIBYTE_BCM112X)	+= fixup-sb1250.o pci-sb1250.o
 obj-$(CONFIG_SIBYTE_BCM1x80)	+= pci-bcm1480.o pci-bcm1480ht.o
 obj-$(CONFIG_SNI_RM)		+= fixup-sni.o ops-sni.o
-obj-$(CONFIG_SOC_XWAY)		+= pci-lantiq.o ops-lantiq.o
+obj-$(CONFIG_LANTIQ)		+= pci-lantiq.o ops-lantiq.o
 obj-$(CONFIG_TANBAC_TB0219)	+= fixup-tb0219.o
 obj-$(CONFIG_TANBAC_TB0226)	+= fixup-tb0226.o
 obj-$(CONFIG_TANBAC_TB0287)	+= fixup-tb0287.o