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fd8ccf9c65
* backport 2.6.8 patches to .39 / .32.33 * remove lqtapi * bump tapi/dsl to .39 * migrate to new ltq_ style api * add amazon_se support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27026 3c298f89-4303-0410-b956-a3cf2f4a3e73
339 lines
9.1 KiB
Diff
339 lines
9.1 KiB
Diff
From 09e57348261c1ae0ff89c68679126fc76a28b2a2 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Wed, 30 Mar 2011 09:27:53 +0200
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Subject: [PATCH 05/13] MIPS: Lantiq: Add platform device support
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This patch adds the wrappers for registering our platform devices.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Ralph Hempel <ralph.hempel@lantiq.com>
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Cc: linux-mips@linux-mips.org
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Patchwork: https://patchwork.linux-mips.org/patch/2254/
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Patchwork: https://patchwork.linux-mips.org/patch/2360/
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Patchwork: https://patchwork.linux-mips.org/patch/2359/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/lantiq/Makefile | 2 +-
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arch/mips/lantiq/devices.c | 122 +++++++++++++++++++++++++++++++++++++++
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arch/mips/lantiq/devices.h | 23 +++++++
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arch/mips/lantiq/xway/Makefile | 2 +-
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arch/mips/lantiq/xway/devices.c | 98 +++++++++++++++++++++++++++++++
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arch/mips/lantiq/xway/devices.h | 18 ++++++
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6 files changed, 263 insertions(+), 2 deletions(-)
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create mode 100644 arch/mips/lantiq/devices.c
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create mode 100644 arch/mips/lantiq/devices.h
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create mode 100644 arch/mips/lantiq/xway/devices.c
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create mode 100644 arch/mips/lantiq/xway/devices.h
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diff --git a/arch/mips/lantiq/Makefile b/arch/mips/lantiq/Makefile
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index a268391..e5dae0e 100644
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--- a/arch/mips/lantiq/Makefile
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+++ b/arch/mips/lantiq/Makefile
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@@ -4,7 +4,7 @@
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# under the terms of the GNU General Public License version 2 as published
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# by the Free Software Foundation.
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-obj-y := irq.o setup.o clk.o prom.o
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+obj-y := irq.o setup.o clk.o prom.o devices.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c
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new file mode 100644
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index 0000000..7b82c34
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--- /dev/null
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+++ b/arch/mips/lantiq/devices.c
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@@ -0,0 +1,122 @@
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+/*
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published
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+ * by the Free Software Foundation.
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+ *
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+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
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+ */
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+
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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/kernel.h>
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+#include <linux/reboot.h>
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+#include <linux/platform_device.h>
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+#include <linux/leds.h>
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+#include <linux/etherdevice.h>
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+#include <linux/reboot.h>
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+#include <linux/time.h>
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+#include <linux/io.h>
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+#include <linux/gpio.h>
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+#include <linux/leds.h>
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+
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+#include <asm/bootinfo.h>
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+#include <asm/irq.h>
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+
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+#include <lantiq_soc.h>
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+
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+#include "devices.h"
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+
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+/* nor flash */
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+static struct resource ltq_nor_resource = {
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+ .name = "nor",
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+ .start = LTQ_FLASH_START,
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+ .end = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct platform_device ltq_nor = {
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+ .name = "ltq_nor",
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+ .resource = <q_nor_resource,
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+ .num_resources = 1,
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+};
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+
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+void __init ltq_register_nor(struct physmap_flash_data *data)
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+{
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+ ltq_nor.dev.platform_data = data;
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+ platform_device_register(<q_nor);
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+}
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+
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+/* watchdog */
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+static struct resource ltq_wdt_resource = {
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+ .name = "watchdog",
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+ .start = LTQ_WDT_BASE_ADDR,
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+ .end = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+void __init ltq_register_wdt(void)
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+{
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+ platform_device_register_simple("ltq_wdt", 0, <q_wdt_resource, 1);
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+}
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+
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+/* asc ports */
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+static struct resource ltq_asc0_resources[] = {
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+ {
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+ .name = "asc0",
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+ .start = LTQ_ASC0_BASE_ADDR,
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+ .end = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ IRQ_RES(tx, LTQ_ASC_TIR(0)),
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+ IRQ_RES(rx, LTQ_ASC_RIR(0)),
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+ IRQ_RES(err, LTQ_ASC_EIR(0)),
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+};
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+
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+static struct resource ltq_asc1_resources[] = {
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+ {
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+ .name = "asc1",
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+ .start = LTQ_ASC1_BASE_ADDR,
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+ .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ IRQ_RES(tx, LTQ_ASC_TIR(1)),
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+ IRQ_RES(rx, LTQ_ASC_RIR(1)),
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+ IRQ_RES(err, LTQ_ASC_EIR(1)),
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+};
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+
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+void __init ltq_register_asc(int port)
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+{
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+ switch (port) {
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+ case 0:
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+ platform_device_register_simple("ltq_asc", 0,
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+ ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
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+ break;
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+ case 1:
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+ platform_device_register_simple("ltq_asc", 1,
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+ ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
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+ break;
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+ default:
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+ break;
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+ }
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+}
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+
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+#ifdef CONFIG_PCI
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+/* pci */
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+static struct platform_device ltq_pci = {
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+ .name = "ltq_pci",
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+ .num_resources = 0,
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+};
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+
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+void __init ltq_register_pci(struct ltq_pci_data *data)
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+{
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+ ltq_pci.dev.platform_data = data;
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+ platform_device_register(<q_pci);
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+}
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+#else
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+void __init ltq_register_pci(struct ltq_pci_data *data)
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+{
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+ pr_err("kernel is compiled without PCI support\n");
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+}
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+#endif
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diff --git a/arch/mips/lantiq/devices.h b/arch/mips/lantiq/devices.h
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new file mode 100644
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index 0000000..2947bb1
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--- /dev/null
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+++ b/arch/mips/lantiq/devices.h
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@@ -0,0 +1,23 @@
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+/*
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published
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+ * by the Free Software Foundation.
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+ *
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+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
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+ */
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+
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+#ifndef _LTQ_DEVICES_H__
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+#define _LTQ_DEVICES_H__
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+
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+#include <lantiq_platform.h>
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+#include <linux/mtd/physmap.h>
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+
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+#define IRQ_RES(resname, irq) \
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+ {.name = #resname, .start = (irq), .flags = IORESOURCE_IRQ}
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+
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+extern void ltq_register_nor(struct physmap_flash_data *data);
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+extern void ltq_register_wdt(void);
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+extern void ltq_register_asc(int port);
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+extern void ltq_register_pci(struct ltq_pci_data *data);
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+
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+#endif
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diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile
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index 9c85ff9..74ce438 100644
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--- a/arch/mips/lantiq/xway/Makefile
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+++ b/arch/mips/lantiq/xway/Makefile
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@@ -1,4 +1,4 @@
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-obj-y := pmu.o ebu.o reset.o gpio.o
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+obj-y := pmu.o ebu.o reset.o gpio.o devices.o
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obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
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obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
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diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c
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new file mode 100644
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index 0000000..a71b3b5
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--- /dev/null
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+++ b/arch/mips/lantiq/xway/devices.c
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@@ -0,0 +1,98 @@
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+/*
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published
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+ * by the Free Software Foundation.
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+ *
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+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
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+ */
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+
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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/mtd/physmap.h>
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+#include <linux/kernel.h>
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+#include <linux/reboot.h>
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+#include <linux/platform_device.h>
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+#include <linux/leds.h>
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+#include <linux/etherdevice.h>
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+#include <linux/reboot.h>
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+#include <linux/time.h>
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+#include <linux/io.h>
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+#include <linux/gpio.h>
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+#include <linux/leds.h>
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+
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+#include <asm/bootinfo.h>
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+#include <asm/irq.h>
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+
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+#include <lantiq_soc.h>
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+#include <lantiq_irq.h>
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+#include <lantiq_platform.h>
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+
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+#include "devices.h"
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+
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+/* gpio */
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+static struct resource ltq_gpio_resource[] = {
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+ {
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+ .name = "gpio0",
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+ .start = LTQ_GPIO0_BASE_ADDR,
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+ .end = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ }, {
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+ .name = "gpio1",
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+ .start = LTQ_GPIO1_BASE_ADDR,
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+ .end = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ }, {
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+ .name = "gpio2",
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+ .start = LTQ_GPIO2_BASE_ADDR,
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+ .end = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ }
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+};
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+
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+void __init ltq_register_gpio(void)
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+{
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+ platform_device_register_simple("ltq_gpio", 0,
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+ <q_gpio_resource[0], 1);
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+ platform_device_register_simple("ltq_gpio", 1,
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+ <q_gpio_resource[1], 1);
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+
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+ /* AR9 and VR9 have an extra gpio block */
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+ if (ltq_is_ar9() || ltq_is_vr9()) {
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+ platform_device_register_simple("ltq_gpio", 2,
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+ <q_gpio_resource[2], 1);
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+ }
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+}
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+
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+/* serial to parallel conversion */
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+static struct resource ltq_stp_resource = {
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+ .name = "stp",
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+ .start = LTQ_STP_BASE_ADDR,
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+ .end = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+void __init ltq_register_gpio_stp(void)
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+{
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+ platform_device_register_simple("ltq_stp", 0, <q_stp_resource, 1);
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+}
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+
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+/* asc ports - amazon se has its own serial mapping */
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+static struct resource ltq_ase_asc_resources[] = {
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+ {
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+ .name = "asc0",
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+ .start = LTQ_ASC1_BASE_ADDR,
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+ .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ IRQ_RES(tx, LTQ_ASC_ASE_TIR),
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+ IRQ_RES(rx, LTQ_ASC_ASE_RIR),
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+ IRQ_RES(err, LTQ_ASC_ASE_EIR),
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+};
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+
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+void __init ltq_register_ase_asc(void)
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+{
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+ platform_device_register_simple("ltq_asc", 0,
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+ ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
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+}
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diff --git a/arch/mips/lantiq/xway/devices.h b/arch/mips/lantiq/xway/devices.h
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new file mode 100644
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index 0000000..51f56b5
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--- /dev/null
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+++ b/arch/mips/lantiq/xway/devices.h
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@@ -0,0 +1,18 @@
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+/*
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published
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+ * by the Free Software Foundation.
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+ *
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+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
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+ */
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+
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+#ifndef _LTQ_DEVICES_XWAY_H__
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+#define _LTQ_DEVICES_XWAY_H__
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+
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+#include "../devices.h"
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+
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+extern void ltq_register_gpio(void);
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+extern void ltq_register_gpio_stp(void);
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+extern void ltq_register_ase_asc(void);
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+
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+#endif
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--
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1.7.2.3
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