[PATCHv2 1/1] net5501: backport drivers from linux-next

Backport net5501 platform driver from 3.4.
Remove vestiges of old (pre-2.6.30) leds-net5501.c driver.
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30021 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 318 insertions, 1 deletions

diff --git a/target/linux/x86/net5501/target.mk b/target/linux/x86/net5501/target.mk
index f92496ee26..7afc1da4ba 100644
--- a/target/linux/x86/net5501/target.mk
+++ b/target/linux/x86/net5501/target.mk
@@ -15,7 +15,7 @@ DEFAULT_PACKAGES += kmod-crypto-hw-geode kmod-crypto-ocf \
 			kmod-mppe kmod-pppoe kmod-pppoa kmod-pppo2ltp \
 			kmod-ath kmod-ath5k kmod-ath9k \
 			kmod-leds-gpio kmod-input-gpio-keys-polled \
-			kmod-button-hotplug kmod-leds-net5501 \
+			kmod-button-hotplug \
 			kmod-ledtrig-heartbeat kmod-ledtrig-gpio \
 			kmod-ledtrig-netdev \
 			kmod-cpu-msr \
diff --git a/target/linux/x86/patches-3.2/005-net5501_platform.patch b/target/linux/x86/patches-3.2/005-net5501_platform.patch
new file mode 100644
index 0000000000..1297214641
--- /dev/null
+++ b/target/linux/x86/patches-3.2/005-net5501_platform.patch
@@ -0,0 +1,317 @@
+diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
+index 2f18a15..7a4f34b 100644
+--- a/arch/x86/Kconfig
++++ b/arch/x86/Kconfig
+@@ -2174,6 +2174,12 @@ config GEOS
+ 	---help---
+ 	  This option enables system support for the Traverse Technologies GEOS.
+ 
++config NET5501
++	bool "Soekris Engineering net5501 System Support (LEDS, GPIO, etc)"
++	select GPIOLIB
++	---help---
++	  This option enables system support for the Soekris Engineering net5501.
++
+ endif # X86_32
+ 
+ config AMD_NB
+diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile
+index d8ba564..5b51194 100644
+--- a/arch/x86/platform/geode/Makefile
++++ b/arch/x86/platform/geode/Makefile
+@@ -1,2 +1,3 @@
+ obj-$(CONFIG_ALIX)		+= alix.o
++obj-$(CONFIG_NET5501)		+= net5501.o
+ obj-$(CONFIG_GEOS)		+= geos.o
+diff --git a/arch/x86/platform/geode/net5501.c b/arch/x86/platform/geode/net5501.c
+new file mode 100644
+index 0000000..66d377e
+--- /dev/null
++++ b/arch/x86/platform/geode/net5501.c
+@@ -0,0 +1,154 @@
++/*
++ * System Specific setup for Soekris net5501
++ * At the moment this means setup of GPIO control of LEDs and buttons
++ * on net5501 boards.
++ *
++ *
++ * Copyright (C) 2008-2009 Tower Technologies
++ * Written by Alessandro Zummo <a.zummo@towertech.it>
++ *
++ * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
++ * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
++ *                and Philip Prindeville <philipp@redfish-solutions.com>
++ *
++ * 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.
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/io.h>
++#include <linux/string.h>
++#include <linux/module.h>
++#include <linux/leds.h>
++#include <linux/platform_device.h>
++#include <linux/gpio.h>
++#include <linux/input.h>
++#include <linux/gpio_keys.h>
++
++#include <asm/geode.h>
++
++#define BIOS_REGION_BASE		0xffff0000
++#define BIOS_REGION_SIZE		0x00010000
++
++static struct gpio_keys_button net5501_gpio_buttons[] = {
++	{
++		.code = KEY_RESTART,
++		.gpio = 24,
++		.active_low = 1,
++		.desc = "Reset button",
++		.type = EV_KEY,
++		.wakeup = 0,
++		.debounce_interval = 100,
++		.can_disable = 0,
++	}
++};
++static struct gpio_keys_platform_data net5501_buttons_data = {
++	.buttons = net5501_gpio_buttons,
++	.nbuttons = ARRAY_SIZE(net5501_gpio_buttons),
++	.poll_interval = 20,
++};
++
++static struct platform_device net5501_buttons_dev = {
++	.name = "gpio-keys-polled",
++	.id = 1,
++	.dev = {
++		.platform_data = &net5501_buttons_data,
++	}
++};
++
++static struct gpio_led net5501_leds[] = {
++	{
++		.name = "net5501:1",
++		.gpio = 6,
++		.default_trigger = "default-on",
++		.active_low = 1,
++	},
++};
++
++static struct gpio_led_platform_data net5501_leds_data = {
++	.num_leds = ARRAY_SIZE(net5501_leds),
++	.leds = net5501_leds,
++};
++
++static struct platform_device net5501_leds_dev = {
++	.name = "leds-gpio",
++	.id = -1,
++	.dev.platform_data = &net5501_leds_data,
++};
++
++static struct __initdata platform_device *net5501_devs[] = {
++	&net5501_buttons_dev,
++	&net5501_leds_dev,
++};
++
++static void __init register_net5501(void)
++{
++	/* Setup LED control through leds-gpio driver */
++	platform_add_devices(net5501_devs, ARRAY_SIZE(net5501_devs));
++}
++
++struct net5501_board {
++	u16	offset;
++	u16	len;
++	char	*sig;
++};
++
++static struct net5501_board __initdata boards[] = {
++	{ 0xb7b, 7, "net5501" },	/* net5501 v1.33/1.33c */
++	{ 0xb1f, 7, "net5501" },	/* net5501 v1.32i */
++};
++
++static bool __init net5501_present(void)
++{
++	int i;
++	unsigned char *rombase, *bios;
++	bool found = false;
++
++	rombase = ioremap(BIOS_REGION_BASE, BIOS_REGION_SIZE - 1);
++	if (!rombase) {
++		printk(KERN_ERR "%s: failed to get rombase\n", KBUILD_MODNAME);
++		return found;
++	}
++
++	bios = rombase + 0x20;	/* null terminated */
++
++	if (memcmp(bios, "comBIOS", 7))
++		goto unmap;
++
++	for (i = 0; i < ARRAY_SIZE(boards); i++) {
++		unsigned char *model = rombase + boards[i].offset;
++
++		if (!memcmp(model, boards[i].sig, boards[i].len)) {
++			printk(KERN_INFO "%s: system is recognized as \"%s\"\n",
++			       KBUILD_MODNAME, model);
++
++			found = true;
++			break;
++		}
++	}
++
++unmap:
++	iounmap(rombase);
++	return found;
++}
++
++static int __init net5501_init(void)
++{
++	if (!is_geode())
++		return 0;
++
++	if (!net5501_present())
++		return 0;
++
++	register_net5501();
++
++	return 0;
++}
++
++module_init(net5501_init);
++
++MODULE_AUTHOR("Philip Prindeville <philipp@redfish-solutions.com>");
++MODULE_DESCRIPTION("Soekris net5501 System Setup");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/leds/leds-net5501.c b/drivers/leds/leds-net5501.c
+deleted file mode 100644
+index 0555d47..0000000
+--- a/drivers/leds/leds-net5501.c
++++ /dev/null
+@@ -1,97 +0,0 @@
+-/*
+- * Soekris board support code
+- *
+- * Copyright (C) 2008-2009 Tower Technologies
+- * Written by Alessandro Zummo <a.zummo@towertech.it>
+- *
+- * 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.
+- */
+-
+-#include <linux/kernel.h>
+-#include <linux/init.h>
+-#include <linux/io.h>
+-#include <linux/string.h>
+-#include <linux/leds.h>
+-#include <linux/platform_device.h>
+-#include <linux/gpio.h>
+-#include <linux/module.h>
+-
+-#include <asm/geode.h>
+-
+-static const struct gpio_led net5501_leds[] = {
+-	{
+-		.name = "error",
+-		.gpio = 6,
+-		.default_trigger = "default-on",
+-	},
+-};
+-
+-static struct gpio_led_platform_data net5501_leds_data = {
+-	.num_leds = ARRAY_SIZE(net5501_leds),
+-	.leds = net5501_leds,
+-};
+-
+-static struct platform_device net5501_leds_dev = {
+-	.name = "leds-gpio",
+-	.id = -1,
+-	.dev.platform_data = &net5501_leds_data,
+-};
+-
+-static void __init init_net5501(void)
+-{
+-	platform_device_register(&net5501_leds_dev);
+-}
+-
+-struct soekris_board {
+-	u16	offset;
+-	char	*sig;
+-	u8	len;
+-	void	(*init)(void);
+-};
+-
+-static struct soekris_board __initdata boards[] = {
+-	{ 0xb7b, "net5501", 7, init_net5501 },	/* net5501 v1.33/1.33c */
+-	{ 0xb1f, "net5501", 7, init_net5501 },	/* net5501 v1.32i */
+-};
+-
+-static int __init soekris_init(void)
+-{
+-	int i;
+-	unsigned char *rombase, *bios;
+-
+-	if (!is_geode())
+-		return 0;
+-
+-	rombase = ioremap(0xffff0000, 0xffff);
+-	if (!rombase) {
+-		printk(KERN_INFO "Soekris net5501 LED driver failed to get rombase");
+-		return 0;
+-	}
+-
+-	bios = rombase + 0x20;	/* null terminated */
+-
+-	if (strncmp(bios, "comBIOS", 7))
+-		goto unmap;
+-
+-	for (i = 0; i < ARRAY_SIZE(boards); i++) {
+-		unsigned char *model = rombase + boards[i].offset;
+-
+-		if (strncmp(model, boards[i].sig, boards[i].len) == 0) {
+-			printk(KERN_INFO "Soekris %s: %s\n", model, bios);
+-
+-			if (boards[i].init)
+-				boards[i].init();
+-			break;
+-		}
+-	}
+-
+-unmap:
+-	iounmap(rombase);
+-	return 0;
+-}
+-
+-arch_initcall(soekris_init);
+-
+-MODULE_LICENSE("GPL");
+--- a/drivers/leds/Kconfig	2012-01-29 23:22:59.487891522 -0700
++++ b/drivers/leds/Kconfig	2012-02-03 10:33:39.650202054 -0700
+@@ -89,16 +89,6 @@ config LEDS_NET48XX
+ 	  This option enables support for the Soekris net4801 and net4826 error
+ 	  LED.
+ 
+-config LEDS_NET5501
+-	tristate "LED Support for Soekris net5501 series Error LED"
+-	depends on LEDS_TRIGGERS
+-	depends on X86 && GPIO_CS5535
+-	select LEDS_TRIGGER_DEFAULT_ON
+-	default n
+-	help
+-	  Add support for the Soekris net5501 board (detection, error led
+-	  and GPIO).
+-
+ config LEDS_FSG
+ 	tristate "LED Support for the Freecom FSG-3"
+ 	depends on LEDS_CLASS
+--- a/drivers/leds/Makefile	2012-01-29 23:22:59.487891522 -0700
++++ b/drivers/leds/Makefile	2012-02-03 10:33:24.468430696 -0700
+@@ -14,7 +14,6 @@ obj-$(CONFIG_LEDS_MIKROTIK_RB532)	+= led
+ obj-$(CONFIG_LEDS_S3C24XX)		+= leds-s3c24xx.o
+ obj-$(CONFIG_LEDS_AMS_DELTA)		+= leds-ams-delta.o
+ obj-$(CONFIG_LEDS_NET48XX)		+= leds-net48xx.o
+-obj-$(CONFIG_LEDS_NET5501)		+= leds-net5501.o
+ obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
+ obj-$(CONFIG_LEDS_COBALT_QUBE)		+= leds-cobalt-qube.o
+ obj-$(CONFIG_LEDS_COBALT_RAQ)		+= leds-cobalt-raq.o