make atheros wifi cards used on arcaydian 4519 ifxmips based boards work

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11676 3c298f89-4303-0410-b956-a3cf2f4a3e73

6 files changed, 167 insertions, 7 deletions

diff --git a/package/madwifi/patches/353-devid.patch b/package/madwifi/patches/353-devid.patch
new file mode 100644
index 000000000..b79caca84
--- /dev/null
+++ b/package/madwifi/patches/353-devid.patch
@@ -0,0 +1,19 @@
+Index: madwifi-trunk-r3314/ath/if_ath_pci.c
+===================================================================
+--- madwifi-trunk-r3314.orig/ath/if_ath_pci.c	2008-07-06 01:38:57.000000000 +0200
++++ madwifi-trunk-r3314/ath/if_ath_pci.c	2008-07-06 01:52:09.000000000 +0200
+@@ -114,11 +114,13 @@
+ 	{ 0x168c, 0x0023, PCI_ANY_ID, PCI_ANY_ID },
+ 	{ 0x168c, 0x0024, PCI_ANY_ID, PCI_ANY_ID },
+ 	{ 0x168c, 0x9013, PCI_ANY_ID, PCI_ANY_ID }, /* sonicwall */
++	{ 0x168c, 0xff1a, PCI_ANY_ID, PCI_ANY_ID },
+ 	{ 0 }
+ };
+ 
+ static u16 ath_devidmap[][2] = {
+-	{ 0x9013, 0x0013 }
++	{ 0x9013, 0x0013 },
++	{ 0xff1a, 0x001a }
+ };
+ 
+ static int
diff --git a/package/madwifi/patches/354-ifxmips_eeprom.patch b/package/madwifi/patches/354-ifxmips_eeprom.patch
new file mode 100644
index 000000000..f4c8f7310
--- /dev/null
+++ b/package/madwifi/patches/354-ifxmips_eeprom.patch
@@ -0,0 +1,100 @@
+Index: madwifi-trunk-r3314/ath_hal/ah_os.c
+===================================================================
+--- madwifi-trunk-r3314.orig/ath_hal/ah_os.c	2008-07-06 02:42:52.000000000 +0200
++++ madwifi-trunk-r3314/ath_hal/ah_os.c	2008-07-06 02:51:53.000000000 +0200
+@@ -343,6 +343,46 @@
+  * NB: see the comments in ah_osdep.h about byte-swapping register
+  *     reads and writes to understand what's going on below.
+  */
++
++#ifdef CONFIG_IFXMIPS
++extern int ifxmips_has_brn_block(void);
++static int ifxmips_emulate = 0;
++#define EEPROM_EMULATION 1
++#endif
++
++#ifdef EEPROM_EMULATION
++static int ath_hal_eeprom(struct ath_hal *ah, unsigned long addr, int val, int write)
++{
++	static int addrsel = 0;
++	static int rc = 0;
++
++	if (write) {
++		if(addr == 0x6000) {
++			addrsel = val * 2;
++			rc = 0;
++		}
++	} else {
++		switch(addr)
++		{
++		case 0x600c:
++			if(rc++ < 2)
++				val = 0x00000000;
++			else
++				val = 0x00000002;
++			break;
++		case 0x6004:
++			val = cpu_to_le16(__raw_readw((u16 *) KSEG1ADDR(0xb07f0400 + addrsel)));
++			/* this forces the regdomain to 0x00 (worldwide), as the original setting
++			 * causes issues with the HAL */
++			if (addrsel == 0x17e)
++				val = 0;
++			break;
++		}
++	}
++	return val;
++}
++#endif
++
+ void __ahdecl
+ ath_hal_reg_write(struct ath_hal *ah, u_int reg, u_int32_t val)
+ {
+@@ -351,20 +391,33 @@
+ 		ath_hal_printf(ah, "%s: WRITE 0x%x <= 0x%x\n", 
+ 				(ath_hal_func ?: "unknown"), reg, val);
+ #endif
+-	_OS_REG_WRITE(ah, reg, val);
++#ifdef EEPROM_EMULATION
++	if((reg >= 0x6000) && (reg <= 0x6010) && ifxmips_emulate)
++	{
++		val = ath_hal_eeprom(ah, reg, val, 1);
++	} else
++#endif
++		_OS_REG_WRITE(ah, reg, val);
+ }
+ EXPORT_SYMBOL(ath_hal_reg_write);
+ 
++
+ /* This should only be called while holding the lock, sc->sc_hal_lock. */
+ u_int32_t __ahdecl
+ ath_hal_reg_read(struct ath_hal *ah, u_int reg)
+ {
+- 	u_int32_t val;
++	u_int32_t val;
++#ifdef EEPROM_EMULATION
++	if((reg >= 0x6000) && (reg <= 0x6010) && ifxmips_emulate)
++	{
++		val = ath_hal_eeprom(ah, reg, 0, 0);
++	} else
++#endif
++		val = _OS_REG_READ(ah, reg);
+ 
+-	val = _OS_REG_READ(ah, reg);
+ #ifdef AH_DEBUG
+ 	if (ath_hal_debug > 1)
+-		ath_hal_printf(ah, "%s: READ 0x%x => 0x%x\n", 
++		ath_hal_printf(ah, "%s: READ 0x%x => 0x%x\n",
+ 				(ath_hal_func ?: "unknown"), reg, val);
+ #endif
+ 	return val;
+@@ -581,7 +634,9 @@
+ {
+ 	const char *sep;
+ 	int i;
+-
++#ifdef CONFIG_IFXMIPS
++	ifxmips_emulate = ifxmips_has_brn_block();
++#endif
+ 	printk(KERN_INFO "%s: %s (", dev_info, ath_hal_version);
+ 	sep = "";
+ 	for (i = 0; ath_hal_buildopts[i] != NULL; i++) {
diff --git a/target/linux/ifxmips/config-2.6.25 b/target/linux/ifxmips/config-2.6.25
index c15aa0be6..5cfa773ed 100644
--- a/target/linux/ifxmips/config-2.6.25
+++ b/target/linux/ifxmips/config-2.6.25
@@ -93,7 +93,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQ_CPU=y
 CONFIG_KALLSYMS=y
 # CONFIG_LEDS_ALIX is not set
-# CONFIG_LEDS_GPIO is not set
+CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_IFXMIPS=y
 # CONFIG_LEMOTE_FULONG is not set
 CONFIG_LZO_COMPRESS=m
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index f0c2f7032..25cc03c6d 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -32,6 +32,7 @@
 #include <asm/io.h>
 #include <linux/etherdevice.h>
 #include <asm/ifxmips/ifxmips.h>
+#include <linux/leds.h>
 
 #define MAX_BOARD_NAME_LEN		32
 #define MAX_IFXMIPS_DEVS		9
@@ -120,6 +121,31 @@ ifxmips_gpio_dev = {
 	.num_resources    =	1,
 };
 
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led arv4519_leds[] = {
+	{ .name = "ifxmips:green:power0", .gpio = 3, .active_low = 0, },
+	{ .name = "ifxmips:red:power1", .gpio = 7, .active_low = 1, },
+	{ .name = "ifxmips:green:adsl", .gpio = 4, .active_low = 1, },
+	{ .name = "ifxmips:green:internet0", .gpio = 5, .active_low = 0, },
+	{ .name = "ifxmips:red:internet1", .gpio = 8, .active_low = 1, },
+	{ .name = "ifxmips:green:wlan", .gpio = 6, .active_low = 1, },
+	{ .name = "ifxmips:green:usb", .gpio = 19, .active_low = 1, },
+};
+
+static const struct gpio_led_platform_data arv4519_led_data = {
+	.num_leds = ARRAY_SIZE(arv4519_leds),
+	.leds = (void *) arv4519_leds,
+};
+
+static struct platform_device arv4519_gpio_leds = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev = {
+		.platform_data = (void *) &arv4519_led_data,
+	 }
+};
+#endif
+
 const char*
 get_system_type(void)
 {
@@ -235,8 +261,11 @@ static struct ifxmips_board boards[] =
 		.system_type = SYSTEM_DANUBE_CHIPID2,
 		.devs =
 		{
-			&ifxmips_led, &ifxmips_gpio, &ifxmips_mii,
+			&ifxmips_gpio, &ifxmips_mii,
 			&ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev,
+#ifdef CONFIG_LEDS_GPIO
+			&arv4519_gpio_leds,
+#endif
 		},
 		.reset_resource =
 		{
@@ -277,6 +306,7 @@ ifxmips_has_brn_block(void)
 {
 	return ifxmips_brn;
 }
+EXPORT_SYMBOL(ifxmips_has_brn_block);
 
 struct ifxmips_board*
 ifxmips_find_board(void)
diff --git a/target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c b/target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c
index 1556a2324..58e216148 100644
--- a/target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c
+++ b/target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c
@@ -122,7 +122,6 @@ static int
 ifxmips_wdt_open(struct inode *inode, struct file *file)
 {
 	ifxmips_wdt_enable(wdt_timeout);
-	printk("ifxmips_wdt: activated");
 	return nonseekable_open(inode, file);
 }
 
diff --git a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
index 0d207b093..76d42c2e3 100644
--- a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
+++ b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
@@ -26,23 +26,35 @@
 #include <asm/ifxmips/ifxmips.h>
 #include <asm/ifxmips/ifxmips_gpio.h>
 
+#define GPIO_TO_PORT(x) ((x > 15)?(1):(0))
+#define GPIO_TO_GPIO(x) ((x > 15)?(x-16):(x))
+
 static inline int gpio_direction_input(unsigned gpio) {
-	ifxmips_port_set_dir_in(0, gpio);
+	ifxmips_port_set_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+	ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+    ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+	ifxmips_port_set_dir_in(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
 	return 0;
 }
 
 static inline int gpio_direction_output(unsigned gpio, int value) {
-	ifxmips_port_set_dir_out(0, gpio);
+	ifxmips_port_clear_open_drain(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+	ifxmips_port_clear_altsel0(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+	ifxmips_port_clear_altsel1(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+	ifxmips_port_set_dir_out(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
 	return 0;
 }
 
 static inline int gpio_get_value(unsigned gpio) {
-	ifxmips_port_get_input(0, gpio);
+	ifxmips_port_get_input(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
 	return 0;
 }
 
 static inline void gpio_set_value(unsigned gpio, int value) {
-	ifxmips_port_set_output(0, gpio);
+	if(value)
+		ifxmips_port_set_output(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
+	else
+		ifxmips_port_clear_output(GPIO_TO_PORT(gpio), GPIO_TO_GPIO(gpio));
 }
 
 static inline int gpio_request(unsigned gpio, const char *label) {