add support for target 3c24xx (more known as Openmoko GTA02 "Freerunner") and merge it with the openmoko-target and the work Michael Buesch <mb> did

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13609 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 127 insertions, 0 deletions

diff --git a/target/linux/s3c24xx/patches/0137-s3c24xx-pwm-platform-driver.patch.patch b/target/linux/s3c24xx/patches/0137-s3c24xx-pwm-platform-driver.patch.patch
new file mode 100755
index 0000000000..e4cb87b67c
--- /dev/null
+++ b/target/linux/s3c24xx/patches/0137-s3c24xx-pwm-platform-driver.patch.patch
@@ -0,0 +1,127 @@
+From 6563c08a68d30e3b53b6a3a2b1916b129f4afc68 Mon Sep 17 00:00:00 2001
+From: matt_hsu <matt_hsu@openmoko.org>
+Date: Fri, 25 Jul 2008 23:06:08 +0100
+Subject: [PATCH] s3c24xx-pwm-platform-driver.patch
+
+This patch is to register pwm as platform driver to keep the PWM-related
+config when system is in suspend/resume. This could fix the following
+issue after resume:
+
+- HDQ read timeout
+- LEDs blinked abnormally(if LEDs is driven by PWM)
+
+Signed-off-by: Matt Hsu <matt_hsu@openmoko.org>
+---
+ arch/arm/mach-s3c2410/pwm.c        |   63 ++++++++++++++++++++++++++++++++++++
+ arch/arm/mach-s3c2440/mach-gta02.c |    6 +++
+ 2 files changed, 69 insertions(+), 0 deletions(-)
+
+diff --git a/arch/arm/mach-s3c2410/pwm.c b/arch/arm/mach-s3c2410/pwm.c
+index 23738c1..86a4faa 100644
+--- a/arch/arm/mach-s3c2410/pwm.c
++++ b/arch/arm/mach-s3c2410/pwm.c
+@@ -20,10 +20,17 @@
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+ #include <linux/clk.h>
++#include <linux/device.h>
+ #include <asm/hardware.h>
+ #include <asm/plat-s3c/regs-timer.h>
+ #include <asm/arch/pwm.h>
+ 
++#ifdef CONFIG_PM
++	static unsigned long standby_reg_tcon;
++	static unsigned long standby_reg_tcfg0;
++	static unsigned long standby_reg_tcfg1;
++#endif
++
+ int s3c2410_pwm_disable(struct s3c2410_pwm *pwm)
+ {
+ 	unsigned long tcon;
+@@ -212,3 +219,59 @@ int s3c2410_pwm_dumpregs(void)
+ 	return 0;
+ }
+ EXPORT_SYMBOL_GPL(s3c2410_pwm_dumpregs);
++
++static int __init s3c24xx_pwm_probe(struct platform_device *pdev)
++{
++	dev_info(&pdev->dev, "s3c24xx_pwm is registered \n");
++
++	return 0;
++}
++
++#ifdef CONFIG_PM
++static int s3c24xx_pwm_suspend(struct platform_device *pdev, pm_message_t state)
++{
++	/* PWM config should be kept in suspending */
++	standby_reg_tcon = __raw_readl(S3C2410_TCON);
++	standby_reg_tcfg0 = __raw_readl(S3C2410_TCFG0);
++	standby_reg_tcfg1 = __raw_readl(S3C2410_TCFG1);
++
++	return 0;
++}
++
++static int s3c24xx_pwm_resume(struct platform_device *pdev)
++{
++	__raw_writel(standby_reg_tcon, S3C2410_TCON);
++	__raw_writel(standby_reg_tcfg0, S3C2410_TCFG0);
++	__raw_writel(standby_reg_tcfg1, S3C2410_TCFG1);
++
++	return 0;
++}
++#else
++#define sc32440_pwm_suspend	NULL
++#define sc32440_pwm_resume	NULL
++#endif
++
++static struct platform_driver s3c24xx_pwm_driver = {
++	.driver = {
++		.name	= "s3c24xx_pwm",
++		.owner	= THIS_MODULE,
++	},
++	.probe	 = s3c24xx_pwm_probe,
++	.suspend = s3c24xx_pwm_suspend,
++	.resume	 = s3c24xx_pwm_resume,
++};
++
++static int __init s3c24xx_pwm_init(void)
++{
++	return platform_driver_register(&s3c24xx_pwm_driver);
++}
++
++static void __exit s3c24xx_pwm_exit(void)
++{
++}
++
++MODULE_AUTHOR("Javi Roman <javiroman@kernel-labs.org>");
++MODULE_LICENSE("GPL");
++
++module_init(s3c24xx_pwm_init);
++module_exit(s3c24xx_pwm_exit);
+diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
+index 27babc9..1954121 100644
+--- a/arch/arm/mach-s3c2440/mach-gta02.c
++++ b/arch/arm/mach-s3c2440/mach-gta02.c
+@@ -719,6 +719,11 @@ static struct platform_device gta02_sdio_dev = {
+         .num_resources  = ARRAY_SIZE(gta02_sdio_resources),
+ };
+ 
++struct platform_device s3c24xx_pwm_device = {
++	.name 		= "s3c24xx_pwm",
++	.num_resources	= 0,
++};
++
+ static struct platform_device *gta02_devices[] __initdata = {
+ 	&s3c_device_usb,
+ 	&s3c_device_wdt,
+@@ -731,6 +736,7 @@ static struct platform_device *gta02_devices[] __initdata = {
+ 	&gta02_nor_flash,
+ 	&sc32440_fiq_device,
+ 	&gta02_version_device,
++	&s3c24xx_pwm_device,
+ };
+ 
+ static struct s3c2410_nand_set gta02_nand_sets[] = {
+-- 
+1.5.6.3
+