Add support for LED drivers (clock tick and CPU activity)

Removed partition support (done on command line now)


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6531 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 173 insertions, 51 deletions

diff --git a/target/linux/at91-2.6/config/default b/target/linux/at91-2.6/config/default
index 9633fb2cf..cfcfe54a7 100644
--- a/target/linux/at91-2.6/config/default
+++ b/target/linux/at91-2.6/config/default
@@ -73,7 +73,6 @@ CONFIG_CPU_CP15_MMU=y
 # CONFIG_CPU_DCACHE_WRITETHROUGH is not set
 # CONFIG_CPU_ICACHE_DISABLE is not set
 CONFIG_CPU_TLB_V4WBI=y
-CONFIG_CRC32=m
 # CONFIG_CRYPTO_AES is not set
 CONFIG_CRYPTO_ALGAPI=m
 # CONFIG_CRYPTO_ANUBIS is not set
@@ -102,6 +101,7 @@ CONFIG_DAVICOM_PHY=y
 # CONFIG_DEBUG_BUGVERBOSE is not set
 CONFIG_DEBUG_DRIVER=y
 # CONFIG_DEBUG_ERRORS is not set
+CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_KERNEL=y
 # CONFIG_DEBUG_KOBJECT is not set
@@ -169,12 +169,13 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_IP_ROUTE_MULTIPATH_CACHED is not set
 # CONFIG_IP_ROUTE_VERBOSE is not set
 # CONFIG_ISO9660_FS is not set
-# CONFIG_JFFS2_FS is not set
+CONFIG_JFFS2_FS_DEBUG=0
 # CONFIG_JFS_FS is not set
-# CONFIG_LEDS is not set
+CONFIG_LEDS=y
+CONFIG_LEDS_CPU=y
+CONFIG_LEDS_TIMER=y
 # CONFIG_LIBCRC32C is not set
 # CONFIG_LLC2 is not set
-# CONFIG_LOCALVERSION_AUTO is not set
 # CONFIG_MACH_AT91RM9200EK is not set
 # CONFIG_MACH_ATEB9200 is not set
 # CONFIG_MACH_CARMEVA is not set
@@ -186,7 +187,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 CONFIG_MACH_VLINK=y
 # CONFIG_MINIX_FS is not set
 CONFIG_MINI_FO=y
-# CONFIG_MODULE_UNLOAD is not set
 # CONFIG_MSDOS_FS is not set
 CONFIG_MTD=y
 # CONFIG_MTD_ABSENT is not set
@@ -200,16 +200,14 @@ CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_CFI_I4 is not set
 # CONFIG_MTD_CFI_I8 is not set
 CONFIG_MTD_CHAR=y
-# CONFIG_MTD_CMDLINE_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 # CONFIG_MTD_CONCAT is not set
-CONFIG_MTD_DATAFLASH=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
 # CONFIG_MTD_JEDECPROBE is not set
-# CONFIG_MTD_M25P80 is not set
 CONFIG_MTD_MAP_BANK_WIDTH_1=y
 # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
 CONFIG_MTD_MAP_BANK_WIDTH_2=y
@@ -227,6 +225,7 @@ CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_SPLIT_ROOTFS is not set
 # CONFIG_NETFILTER_XT_MATCH_COMMENT is not set
 # CONFIG_NETFILTER_XT_MATCH_CONNBYTES is not set
 # CONFIG_NETFILTER_XT_MATCH_DCCP is not set
@@ -278,11 +277,6 @@ CONFIG_SERIO_SERPORT=y
 # CONFIG_SMSC_PHY is not set
 # CONFIG_SOUND is not set
 # CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_SPI=y
-CONFIG_SPI_ATMEL=y
-CONFIG_SPI_BITBANG=y
-CONFIG_SPI_DEBUG=y
-CONFIG_SPI_MASTER=y
 CONFIG_SPLIT_PTLOCK_CPUS=4096
 # CONFIG_UDF_FS is not set
 CONFIG_UID16=y
@@ -300,4 +294,3 @@ CONFIG_VT_CONSOLE=y
 # CONFIG_XIP_KERNEL is not set
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_ZBOOT_ROM_TEXT=0x0
-CONFIG_ZLIB_DEFLATE=m
diff --git a/target/linux/at91-2.6/patches/002-led-driver.patch b/target/linux/at91-2.6/patches/002-led-driver.patch
new file mode 100644
index 000000000..51877d068
--- /dev/null
+++ b/target/linux/at91-2.6/patches/002-led-driver.patch
@@ -0,0 +1,166 @@
+diff -urN linux-2.6.19.2.old/arch/arm/mach-at91rm9200/Makefile linux-2.6.19.2/arch/arm/mach-at91rm9200/Makefile
+--- linux-2.6.19.2.old/arch/arm/mach-at91rm9200/Makefile	2007-03-06 11:29:37.000000000 +0100
++++ linux-2.6.19.2/arch/arm/mach-at91rm9200/Makefile	2007-03-06 20:52:28.000000000 +0100
+@@ -40,6 +40,7 @@
+ led-$(CONFIG_MACH_CSB637)	+= leds.o
+ led-$(CONFIG_MACH_KB9200)	+= leds.o
+ led-$(CONFIG_MACH_KAFA)		+= leds.o
++led-$(CONFIG_MACH_VLINK)  += vlink_leds.o
+ obj-$(CONFIG_LEDS) += $(led-y)
+ 
+ # VGA support
+diff -urN linux-2.6.19.2.old/arch/arm/mach-at91rm9200/vlink_leds.c linux-2.6.19.2/arch/arm/mach-at91rm9200/vlink_leds.c
+--- linux-2.6.19.2.old/arch/arm/mach-at91rm9200/vlink_leds.c	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.19.2/arch/arm/mach-at91rm9200/vlink_leds.c	2007-03-06 21:11:16.000000000 +0100
+@@ -0,0 +1,151 @@
++/*
++ * LED driver for Atmel AT91-based boards.
++ *
++ *  Copyright (C) SAN People (Pty) Ltd
++ *
++ * Modified for FDL Versalink board (c) Guthrie Consulting
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License
++ * as published by the Free Software Foundation; either version
++ * 2 of the License, or (at your option) any later version.
++*/
++
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/init.h>
++
++#include <asm/mach-types.h>
++#include <asm/leds.h>
++#include <asm/arch/board.h>
++#include <asm/arch/gpio.h>
++
++#define LED_CPU 0
++#define LED_TIMER 1
++#define LED_COM1 2
++#define LED_COM2 3
++
++static inline void at91_led_on(unsigned int led)
++{
++	at91_set_gpio_value(led, 0);
++}
++
++static inline void at91_led_off(unsigned int led)
++{
++	at91_set_gpio_value(led, 1);
++}
++
++static inline void at91_led_toggle(unsigned int led)
++{
++	unsigned long is_off = at91_get_gpio_value(AT91_PIN_PC7);
++	if (is_off) {
++		at91_set_gpio_value(AT91_PIN_PC7, 0);
++		at91_set_gpio_value(AT91_PIN_PC8, 1);
++	} else {
++		at91_set_gpio_value(AT91_PIN_PC7, 1);
++		at91_set_gpio_value(AT91_PIN_PC8, 0);
++	}
++}
++
++
++/*
++ * Handle LED events.
++ */
++static void at91_leds_event(led_event_t evt)
++{
++	unsigned long flags;
++
++	local_irq_save(flags);
++
++	switch(evt) {
++	case led_start:		/* System startup */
++//		at91_led_on(at91_leds_cpu);
++		at91_led_toggle(at91_leds_timer);
++/*
++		at91_set_gpio_value(AT91_PIN_PC7, 0);
++		at91_set_gpio_value(AT91_PIN_PC8, 1);
++*/
++		break;
++
++	case led_stop:		/* System stop / suspend */
++		at91_led_toggle(at91_leds_timer);
++/*
++		at91_set_gpio_value(AT91_PIN_PC7, 1);
++		at91_set_gpio_value(AT91_PIN_PC8, 0);
++*/
++		break;
++
++#ifdef CONFIG_LEDS_TIMER
++	case led_timer:		/* Every 50 timer ticks */
++		at91_led_toggle(at91_leds_timer);
++		break;
++#endif
++
++#ifdef CONFIG_LEDS_CPU
++	case led_idle_start:	/* Entering idle state */
++		at91_led_toggle(at91_leds_timer);
++/*
++		at91_set_gpio_value(AT91_PIN_PC7, 1);
++		at91_set_gpio_value(AT91_PIN_PC8, 0);
++*/
++		break;
++
++	case led_idle_end:	/* Exit idle state */
++		at91_led_toggle(at91_leds_timer);
++/*
++		at91_set_gpio_value(AT91_PIN_PC7, 0);
++		at91_set_gpio_value(AT91_PIN_PC8, 1);
++*/
++		break;
++#endif
++
++	default:
++		break;
++	}
++
++	local_irq_restore(flags);
++}
++
++
++static int __init leds_init(void)
++{
++/*	if (!at91_leds_timer || !at91_leds_cpu)
++		return -ENODEV;
++*/
++//	printk("leds_init()\n");
++
++	/* Enable PIO to access the LEDs */
++	at91_set_gpio_output(AT91_PIN_PC7, 1);
++	at91_set_gpio_output(AT91_PIN_PC8, 1);
++	at91_set_gpio_output(AT91_PIN_PC14, 1);
++	at91_set_gpio_output(AT91_PIN_PC15, 1);
++	at91_set_gpio_output(AT91_PIN_PB14, 1);
++	at91_set_gpio_output(AT91_PIN_PB15, 1);
++	at91_set_gpio_output(AT91_PIN_PB16, 1);
++	at91_set_gpio_output(AT91_PIN_PB17, 1);
++
++	at91_set_gpio_output(AT91_PIN_PB9, 1);
++	at91_set_gpio_output(AT91_PIN_PB10, 1);
++	at91_set_gpio_output(AT91_PIN_PB11, 1);
++	at91_set_gpio_output(AT91_PIN_PB12, 1);
++
++	at91_set_gpio_input(AT91_PIN_PB8, 1);
++	at91_set_gpio_input(AT91_PIN_PB22, 1);
++	at91_set_gpio_input(AT91_PIN_PA19, 1);
++	at91_set_gpio_input(AT91_PIN_PA24, 1);
++	at91_set_gpio_output(AT91_PIN_PA29, 1);
++	at91_set_gpio_output(AT91_PIN_PB2, 1);
++	at91_set_gpio_output(AT91_PIN_PB3, 1);
++	at91_set_gpio_output(AT91_PIN_PB4, 1);
++
++	at91_set_gpio_input(AT91_PIN_PB27, 1);
++	at91_set_gpio_input(AT91_PIN_PB28, 1);
++	at91_set_gpio_input(AT91_PIN_PB29, 1);
++
++	leds_event = at91_leds_event;
++
++	leds_event(led_start);
++	return 0;
++}
++
++__initcall(leds_init);
diff --git a/target/linux/at91-2.6/patches/002-mtd-partitiontable.patch b/target/linux/at91-2.6/patches/002-mtd-partitiontable.patch
deleted file mode 100644
index eb14e4402..000000000
--- a/target/linux/at91-2.6/patches/002-mtd-partitiontable.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-diff -urN linux-2.6.19.2/drivers/mtd/devices/at91_dataflash.c linux-2.6.19.2.old/drivers/mtd/devices/at91_dataflash.c
---- linux-2.6.19.2/drivers/mtd/devices/at91_dataflash.c	2007-03-05 11:21:48.000000000 +0100
-+++ linux-2.6.19.2.old/drivers/mtd/devices/at91_dataflash.c	2007-03-05 09:23:03.000000000 +0100
-@@ -130,28 +130,18 @@
- 	{
- 		.name		= "bootloader",
- 		.offset		= 0,
--		.size		= 1 * 32 * 8 * 1056,	/* 1st sector = 16 blocks * 8 pages * 1056 bytes */
-+		.size		= 1 * 32 * 8 * 1056,	/* 1st sector = 32 blocks * 8 pages * 1056 bytes */
- 		.mask_flags	= MTD_WRITEABLE,	/* read-only */
- 	},
- 	{
--		.name		= "linux",
-+		.name		= "kernel",
- 		.offset		= MTDPART_OFS_NXTBLK,
--		.size		= 4 * 32 * 8 * 1056,	/* 4 sectors */
-+		.size		= 5 * 32 * 8 * 1056,	/* 5 sectors */
- 	},
- 	{
--		.name		= "rootfs",
-+		.name		= "filesystem",
- 		.offset		= MTDPART_OFS_NXTBLK,
--		.size		= 4 * 32 * 8 * 1056,	/* 4 sectors */
--	},
--	{
--		.name 	= "nvram",
--		.offset	= MTDPART_OFS_NXTBLK,
--		.size 	= 1 * 4 * 8 * 1056, 	/* 4 blocks of 8 pages = ~32k */
--	},
--	{
--		.name 	= "OpenWrt",
--		.offset = MTDPART_OFS_NXTBLK,
--		.size 	= MTDPART_SIZ_FULL, /* rest of device */
-+		.size		= MTDPART_SIZ_FULL,	/* rest = 26 sectors */
- 	}
- };
- #endif