major cleanup of the ar531x code, improved hardware detection and support for multiple ethernet interfaces

SVN-Revision: 6307

14 files changed, 358 insertions, 427 deletions

diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c
index 4e1beaa..d337098 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.c
@@ -29,56 +29,55 @@
 #include <asm/io.h>
 #include "ar531x.h"
 
+#define NO_PHY 0x1f
 
-
+static int is_5312 = 0;
 static struct platform_device *ar5312_devs[5];
 
 static struct resource ar5312_eth0_res[] = {
 	{
-		.name = "eth_membase",
+		.name = "eth0_membase",
 		.flags = IORESOURCE_MEM,
 		.start = KSEG1ADDR(AR531X_ENET0),
 		.end = KSEG1ADDR(AR531X_ENET0 + 0x2000),
 	},
 	{
-		.name = "eth_irq",
+		.name = "eth0_irq",
 		.flags = IORESOURCE_IRQ,
 		.start = AR5312_IRQ_ENET0_INTRS,
 		.end = AR5312_IRQ_ENET0_INTRS,
 	},
 };
-
+static struct ar531x_eth ar5312_eth0_data = {
+	.phy = NO_PHY,
+	.mac = 0,
+	.reset_base = AR531X_RESET,
+	.reset_mac = AR531X_RESET_ENET0,
+	.reset_phy = AR531X_RESET_EPHY0,
+	.phy_base = KSEG1ADDR(AR531X_ENET0),
+};
 
 static struct resource ar5312_eth1_res[] = {
 	{
-		.name = "eth_membase",
+		.name = "eth1_membase",
 		.flags = IORESOURCE_MEM,
 		.start = KSEG1ADDR(AR531X_ENET1),
 		.end = KSEG1ADDR(AR531X_ENET1 + 0x2000),
 	},
 	{
-		.name = "eth_irq",
+		.name = "eth1_irq",
 		.flags = IORESOURCE_IRQ,
 		.start = AR5312_IRQ_ENET1_INTRS,
 		.end = AR5312_IRQ_ENET1_INTRS,
 	},
 };
-
-
-static struct ar531x_eth ar5312_eth0_data = {
-	.phy = 0x1f,
-	.mac = 0,
-	.reset_base = AR531X_RESET,
-	.reset_mac = AR531X_RESET_ENET0,
-	.reset_phy = AR531X_RESET_EPHY0,
-};
-
 static struct ar531x_eth ar5312_eth1_data = {
-	.phy = 0,
+	.phy = NO_PHY,
 	.mac = 1,
 	.reset_base = AR531X_RESET,
 	.reset_mac = AR531X_RESET_ENET1,
 	.reset_phy = AR531X_RESET_EPHY1,
+	.phy_base = KSEG1ADDR(AR531X_ENET1),
 };
 
 static struct platform_device ar5312_eth[] = {
@@ -98,6 +97,42 @@ static struct platform_device ar5312_eth[] = {
 	},
 };
 
+
+/*
+ * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
+ * of ENET1. Atheros calls it 'twisted' for a reason :)
+ */
+static struct resource ar231x_eth0_res[] = {
+	{
+		.name = "eth0_membase",
+		.flags = IORESOURCE_MEM,
+		.start = KSEG1ADDR(AR531X_ENET1),
+		.end = KSEG1ADDR(AR531X_ENET1 + 0x2000),
+	},
+	{
+		.name = "eth0_irq",
+		.flags = IORESOURCE_IRQ,
+		.start = AR5312_IRQ_ENET1_INTRS,
+		.end = AR5312_IRQ_ENET1_INTRS,
+	},
+};
+static struct ar531x_eth ar231x_eth0_data = {
+	.phy = 1,
+	.mac = 1,
+	.reset_base = AR531X_RESET,
+	.reset_mac = AR531X_RESET_ENET1,
+	.reset_phy = AR531X_RESET_EPHY1,
+	.phy_base = KSEG1ADDR(AR531X_ENET0),
+};
+static struct platform_device ar231x_eth0 = {
+	.id = 0,
+	.name = "ar531x-eth",
+	.dev.platform_data = &ar231x_eth0_data,
+	.resource = ar231x_eth0_res,
+	.num_resources = ARRAY_SIZE(ar231x_eth0_res)
+};
+
+
 static struct platform_device ar5312_wmac[] = {
 	{
 		.id = 0,
@@ -109,7 +144,6 @@ static struct platform_device ar5312_wmac[] = {
 	},
 };
 
-
 static struct physmap_flash_data ar5312_flash_data = {
 	.width	  = 2,
 };
@@ -139,7 +173,10 @@ static struct platform_device ar5312_physmap_flash = {
 static char __init *ar5312_flash_limit(void)
 {
 	u32 ctl;
-	/* Configure flash bank 0 */
+	/* 
+	 * Configure flash bank 0.
+	 * Assume 8M window size. Flash will be aliased if it's smaller
+	 */
 	ctl = FLASHCTL_E |
 		FLASHCTL_AC_8M |
 		FLASHCTL_RBLE |
@@ -157,7 +194,7 @@ static char __init *ar5312_flash_limit(void)
 	sysRegWrite(AR531X_FLASHCTL2,
 		sysRegRead(AR531X_FLASHCTL2) & ~(FLASHCTL_E | FLASHCTL_AC));
 
-	return (char *) KSEG1ADDR(AR531X_FLASH + 0x400000);
+	return (char *) KSEG1ADDR(AR531X_FLASH + 0x800000);
 }
 
 static struct ar531x_config __init *init_wmac(int unit)
@@ -175,27 +212,80 @@ static struct ar531x_config __init *init_wmac(int unit)
 		
 int __init ar5312_init_devices(void)
 {
-	char *radio;
+	struct ar531x_boarddata *bcfg;
+	char *radio, *c;
 	int dev = 0;
 
-	if (mips_machtype != MACH_ATHEROS_AR5312) 
+	if (!is_5312)
 		return 0;
 
+	/* Locate board/radio config data */
 	ar531x_find_config(ar5312_flash_limit());
+	bcfg = (struct ar531x_boarddata *) board_config;
+
+	
+	/*
+	 * Chip IDs and hardware detection for some Atheros
+	 * models are really broken!
+	 * 
+	 * Atheros uses a disabled WMAC0 and Silicon ID of AR5312
+	 * as indication for AR2312, which is otherwise 
+	 * indistinguishable from the real AR5312.
+	 */
+	if (radio_config) {
+		radio = radio_config + AR531X_RADIO_MASK_OFF;
+		if ((*((u32 *) radio) & AR531X_RADIO0_MASK) == 0)
+			bcfg->config |= BD_ISCASPER;
+	} else
+		radio = NULL;
+
+	/* AR2313 has CPU minor rev. 10 */
+	if ((current_cpu_data.processor_id & 0xff) == 0x0a)
+		mips_machtype = MACH_ATHEROS_AR2313;
+	
+	/* AR2312 shares the same Silicon ID as AR5312 */
+	else if (bcfg->config & BD_ISCASPER)
+		mips_machtype = MACH_ATHEROS_AR2312;
+	
+	/* Everything else is probably AR5312 or compatible */
+	else
+		mips_machtype = MACH_ATHEROS_AR5312;
+
 	ar5312_eth0_data.board_config = board_config;
 	ar5312_eth1_data.board_config = board_config;
 	ar5312_devs[dev++] = &ar5312_physmap_flash;
-	ar5312_devs[dev++] = &ar5312_eth[0];
-	ar5312_devs[dev++] = &ar5312_eth[1];
 
-	radio = radio_config + AR531X_RADIO_MASK_OFF;
-	if (*((u32 *) radio) & AR531X_RADIO0_MASK) {
-		ar5312_wmac[0].dev.platform_data = init_wmac(0);
-		ar5312_devs[dev++] = &ar5312_wmac[0];
+	ar5312_eth0_data.macaddr = bcfg->enet0Mac;
+	ar5312_eth1_data.macaddr = bcfg->enet1Mac;
+	if (memcmp(bcfg->enet0Mac, bcfg->enet1Mac, 6) == 0) {
+		/* ENET0 and ENET1 have the same mac.
+		 * Increment the one from ENET1 */
+		c = bcfg->enet1Mac + 5;
+		while ((c >= (char *) bcfg->enet1Mac) && !(++(*c)))
+			c--;
+	}
+
+	switch(mips_machtype) {
+		case MACH_ATHEROS_AR5312:
+			ar5312_devs[dev++] = &ar5312_eth[0];
+			ar5312_devs[dev++] = &ar5312_eth[1];
+			break;
+		case MACH_ATHEROS_AR2312:
+		case MACH_ATHEROS_AR2313:
+			ar5312_devs[dev++] = &ar231x_eth0;
+			ar5312_flash_data.width = 1;
+			break;
 	}
-	if (*((u32 *) radio) & AR531X_RADIO1_MASK) {
-		ar5312_wmac[1].dev.platform_data = init_wmac(1);
-		ar5312_devs[dev++] = &ar5312_wmac[1];
+
+	if (radio) {
+		if (*((u32 *) radio) & AR531X_RADIO0_MASK) {
+			ar5312_wmac[0].dev.platform_data = init_wmac(0);
+			ar5312_devs[dev++] = &ar5312_wmac[0];
+		}
+		if (*((u32 *) radio) & AR531X_RADIO1_MASK) {
+			ar5312_wmac[1].dev.platform_data = init_wmac(1);
+			ar5312_devs[dev++] = &ar5312_wmac[1];
+		}
 	}
 
 	return platform_add_devices(ar5312_devs, dev);
@@ -445,6 +535,25 @@ void __init ar5312_misc_intr_init(int irq_base)
 	setup_irq(AR5312_IRQ_MISC_INTRS, &cascade);
 }
 
+void __init ar5312_prom_init(void)
+{
+	u32 memsize, memcfg, bank0AC, bank1AC;
+
+	is_5312 = 1;
+
+	/* Detect memory size */
+	memcfg = sysRegRead(AR531X_MEM_CFG1);
+	bank0AC = (memcfg & MEM_CFG1_AC0) >> MEM_CFG1_AC0_S;
+	bank1AC = (memcfg & MEM_CFG1_AC1) >> MEM_CFG1_AC1_S;
+	memsize = (bank0AC ? (1 << (bank0AC+1)) : 0)
+	        + (bank1AC ? (1 << (bank1AC+1)) : 0);
+	memsize <<= 20;
+	add_memory_region(0, memsize, BOOT_MEM_RAM);
+	
+	/* Initialize it to AR5312 for now. Real detection will be done
+	 * in ar5312_init_devices() */
+	mips_machtype = MACH_ATHEROS_AR5312;
+}
 
 void __init ar5312_plat_setup(void)
 {
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.h b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.h
index 62d5797..2b6b875 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.h
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312.h
@@ -164,7 +164,7 @@
 #define AR531X_REV_MAJ_S       4
 #define AR531X_REV_MIN         0x000f
 #define AR531X_REV_MIN_S       0
-#define AR531X_REV_CHIP        (REV_MAJ|REV_MIN)
+#define AR531X_REV_CHIP        (AR531X_REV_MAJ|AR531X_REV_MIN)
 
 /* Major revision numbers, bits 7..4 of Revision ID register */
 #define AR531X_REV_MAJ_AR5312          0x4
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c
index b0db7c1..4e09fe0 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c
@@ -28,15 +28,16 @@
 #include <asm/io.h>
 #include "ar531x.h"
 
+static int is_5315 = 0;
 static struct resource ar5315_eth_res[] = {
 	{
-		.name = "eth_membase",
+		.name = "eth0_membase",
 		.flags = IORESOURCE_MEM,
 		.start = AR5315_ENET0,
 		.end = AR5315_ENET0 + 0x2000,
 	},
 	{
-		.name = "eth_irq",
+		.name = "eth0_irq",
 		.flags = IORESOURCE_IRQ,
 		.start = AR5315_IRQ_ENET0_INTRS,
 		.end = AR5315_IRQ_ENET0_INTRS,
@@ -49,6 +50,7 @@ static struct ar531x_eth ar5315_eth_data = {
 	.reset_base = AR5315_RESET,
 	.reset_mac = AR5315_RESET_ENET0,
 	.reset_phy = AR5315_RESET_EPHY0,
+	.phy_base = AR5315_ENET0
 };
 
 static struct platform_device ar5315_eth = {
@@ -175,20 +177,40 @@ static char __init *ar5315_flash_limit(void)
 int __init ar5315_init_devices(void)
 {
 	struct ar531x_config *config;
+	struct ar531x_boarddata *bcfg;
+	u32 devid;
 	int dev = 0;
 
-	if (mips_machtype != MACH_ATHEROS_AR5315) 
+	if (!is_5315)
 		return 0;
 
+	/* Find board configuration */
 	ar531x_find_config(ar5315_flash_limit());
+	bcfg = (struct ar531x_boarddata *) board_config;
+
+#if 0
+	/* Detect the hardware based on the device ID */
+	devid = sysRegRead(AR5315_SREV) & AR5315_REV_MAJ >> AR5315_REV_MAJ_S;
+	switch(devid) {
+		case 0x9:
+			mips_machtype = MACH_ATHEROS_AR2317;
+			break;
+		/* FIXME: how can we detect AR2316? */
+		case 0x8:
+		default:
+			mips_machtype = MACH_ATHEROS_AR2315;
+			break;
+	}
+#endif
 
 	config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL);
 	config->board = board_config;
 	config->radio = radio_config;
 	config->unit = 0;
-	config->tag = (u_int16_t) (sysRegRead(AR5315_SREV) & REV_CHIP);
+	config->tag = (u_int16_t) (sysRegRead(AR5315_SREV) & AR5315_REV_CHIP);
 	
 	ar5315_eth_data.board_config = board_config;
+	ar5315_eth_data.macaddr = bcfg->enet0Mac;
 	ar5315_wmac.dev.platform_data = config;
 	
 	ar5315_devs[dev++] = &ar5315_eth;
@@ -379,8 +401,6 @@ ar5315_misc_intr_enable(unsigned int irq)
 	}
 	sysRegWrite(AR5315_IMR, imr);
 	imr=sysRegRead(AR5315_IMR); /* flush write buffer */
-	//printk("enable Interrupt irq 0x%x imr 0x%x \n",irq,imr);
-
 }
 
 /* Disable the specified AR531X_MISC_IRQ interrupt */
@@ -501,6 +521,23 @@ void ar5315_misc_intr_init(int irq_base)
 	setup_irq(AR5315_IRQ_MISC_INTRS, &cascade);
 }
 
+void __init ar5315_prom_init(void)
+{
+	u32 memsize, memcfg;
+
+	is_5315 = 1;
+	memcfg = sysRegRead(AR5315_MEM_CFG);
+	memsize   = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S);
+	memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S);
+	memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S);
+	memsize <<= 3;
+	add_memory_region(0, memsize, BOOT_MEM_RAM);
+
+	/* Initialize it to AR2315 for now. Real detection will be done
+	 * in ar5315_init_devices() */
+	mips_machtype = MACH_ATHEROS_AR2315;
+}
+
 void __init ar5315_plat_setup(void)
 {
 	unsigned int config = read_c0_config();
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.h b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.h
index ef2df87..c3eeed1 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.h
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.h
@@ -121,11 +121,11 @@
  */
 #define AR5315_SREV             (AR5315_DSLBASE + 0x0014)
 
-#define REV_MAJ                     0x00f0
-#define REV_MAJ_S                   4
-#define REV_MIN                     0x000f
-#define REV_MIN_S                   0
-#define REV_CHIP                    (REV_MAJ|REV_MIN)
+#define AR5315_REV_MAJ                     0x00f0
+#define AR5315_REV_MAJ_S                   4
+#define AR5315_REV_MIN                     0x000f
+#define AR5315_REV_MIN_S                   0
+#define AR5315_REV_CHIP                    (AR5315_REV_MAJ|AR5315_REV_MIN)
 
 /*
  * Interface Enable
@@ -359,21 +359,21 @@
  
 #define AR5315_PCICLK           (AR5315_DSLBASE + 0x00a4)
 
-#define PCICLK_INPUT_M              0x3
-#define PCICLK_INPUT_S              0
+#define AR5315_PCICLK_INPUT_M              0x3
+#define AR5315_PCICLK_INPUT_S              0
                          
-#define PCICLK_PLLC_CLKM            0
-#define PCICLK_PLLC_CLKM1           1
-#define PCICLK_PLLC_CLKC            2
-#define PCICLK_REF_CLK              3 
+#define AR5315_PCICLK_PLLC_CLKM            0
+#define AR5315_PCICLK_PLLC_CLKM1           1
+#define AR5315_PCICLK_PLLC_CLKC            2
+#define AR5315_PCICLK_REF_CLK              3 
 
-#define PCICLK_DIV_M                0xc
-#define PCICLK_DIV_S                2
+#define AR5315_PCICLK_DIV_M                0xc
+#define AR5315_PCICLK_DIV_S                2
                          
-#define PCICLK_IN_FREQ              0
-#define PCICLK_IN_FREQ_DIV_6        1
-#define PCICLK_IN_FREQ_DIV_8        2
-#define PCICLK_IN_FREQ_DIV_10       3 
+#define AR5315_PCICLK_IN_FREQ              0
+#define AR5315_PCICLK_IN_FREQ_DIV_6        1
+#define AR5315_PCICLK_IN_FREQ_DIV_8        2
+#define AR5315_PCICLK_IN_FREQ_DIV_10       3 
 
 /*
  * Observation Control Register
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar531x.h b/target/linux/atheros-2.6/files/arch/mips/atheros/ar531x.h
index 208b010..471cc7e 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar531x.h
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar531x.h
@@ -1,10 +1,34 @@
 #ifndef __AR531X_H
 #define __AR531X_H
 
+#include <asm/cpu-info.h>
 #include <ar531x_platform.h>
 #include "ar5312.h"
 #include "ar5315.h"
 
+/*                                                                             
+ * Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are
+ * using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime.
+ */
+#ifdef CONFIG_ATHEROS_AR5312
+#define DO_AR5312(...) \
+	if (current_cpu_data.cputype != CPU_4KEC) { \
+		__VA_ARGS__ \
+	}
+#else
+#define DO_AR5312(...)
+#endif
+#ifdef CONFIG_ATHEROS_AR5315
+#define DO_AR5315(...) \
+	if (current_cpu_data.cputype == CPU_4KEC) { \
+		__VA_ARGS__ \
+	}
+#else
+#define DO_AR5315(...)
+#endif
+
+
+
 #define MIPS_CPU_IRQ_BASE		0x00
 #define AR531X_HIGH_PRIO                0x10
 #define AR531X_MISC_IRQ_BASE		0x20
@@ -89,18 +113,20 @@ struct ar531x_boarddata {
     u8  wlan1Mac[6];                 /* (ar5212) */
 };
 
+#define BOARD_CONFIG_BUFSZ		0x1000
 
-extern char *board_config;
-extern char *radio_config;
+extern char *board_config, *radio_config;
 extern void serial_setup(unsigned long mapbase, unsigned int uartclk);
 extern int ar531x_find_config(char *flash_limit);
 
+extern void ar5312_prom_init(void);
 extern void ar5312_misc_intr_init(int irq_base);
-extern void ar5312_irq_dispatch(void);
 extern void ar5312_plat_setup(void);
+extern asmlinkage void ar5312_irq_dispatch(void);
 
+extern void ar5315_prom_init(void);
 extern void ar5315_misc_intr_init(int irq_base);
-extern asmlinkage void ar5315_irq_dispatch(void);
 extern void ar5315_plat_setup(void);
+extern asmlinkage void ar5315_irq_dispatch(void);
 
 #endif
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/board.c b/target/linux/atheros-2.6/files/arch/mips/atheros/board.c
index fe94c3f..7913d8d 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/board.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/board.c
@@ -106,7 +106,7 @@ int __init ar531x_find_config(char *flash_limit)
 	if (!bcfg)
 		return -ENODEV;
 
-	board_config = kmalloc(0x1000, GFP_KERNEL);
+	board_config = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL);
 	memcpy(board_config, bcfg, 0x100);
 
 	/* Radio config starts 0x100 bytes after board config, regardless
@@ -116,9 +116,9 @@ int __init ar531x_find_config(char *flash_limit)
 	if (!rcfg)
 		return -ENODEV;
 
-	printk("Radio config found at offset 0x%x\n", rcfg - bcfg);
 	radio_config = board_config + 0x100 + ((rcfg - bcfg) & 0xfff);
-	rcfg_size = 0x1000 - ((rcfg - bcfg) & 0xfff);
+	printk("Radio config found at offset 0x%x(0x%x)\n", rcfg - bcfg, radio_config - board_config);
+	rcfg_size = BOARD_CONFIG_BUFSZ - ((rcfg - bcfg) & (BOARD_CONFIG_BUFSZ - 1));
 	memcpy(radio_config, rcfg, rcfg_size);
 	
 	return 0;
@@ -143,18 +143,8 @@ void __init serial_setup(unsigned long mapbase, unsigned int uartclk)
 
 void __init plat_mem_setup(void)
 {
-	switch(mips_machtype) {
-#ifdef CONFIG_ATHEROS_AR5312
-	case MACH_ATHEROS_AR5312:
-		ar5312_plat_setup();
-		break;
-#endif
-#ifdef CONFIG_ATHEROS_AR5315
-	case MACH_ATHEROS_AR5315:
-		ar5315_plat_setup();
-		break;
-#endif
-	}
+	DO_AR5312(ar5312_plat_setup();)
+	DO_AR5315(ar5315_plat_setup();)
 
 	/* Disable data watchpoints */
 	write_c0_watchlo0(0);
@@ -166,10 +156,22 @@ const char *get_system_type(void)
 #ifdef CONFIG_ATHEROS_AR5312
 	case MACH_ATHEROS_AR5312:
 		return "Atheros AR5312\n";
+
+	case MACH_ATHEROS_AR2312:
+		return "Atheros AR2312\n";
+		
+	case MACH_ATHEROS_AR2313:
+		return "Atheros AR2313\n";
 #endif
 #ifdef CONFIG_ATHEROS_AR5315
-	case MACH_ATHEROS_AR5315:
-		return "Atheros AR5315\n";
+	case MACH_ATHEROS_AR2315:
+		return "Atheros AR2315\n";
+	case MACH_ATHEROS_AR2316:
+		return "Atheros AR2316\n";
+	case MACH_ATHEROS_AR2317:
+		return "Atheros AR2317\n";
+	case MACH_ATHEROS_AR2318:
+		return "Atheros AR2318\n";
 #endif
 	}
 	return "Atheros (unknown)";
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/irq.c b/target/linux/atheros-2.6/files/arch/mips/atheros/irq.c
index 99d960b..052dbc1 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/irq.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/irq.c
@@ -67,14 +67,8 @@ static struct irqaction spurious_misc  = {
 
 asmlinkage void plat_irq_dispatch(void)
 {
-#ifdef CONFIG_ATHEROS_AR5312
-	if (mips_machtype == MACH_ATHEROS_AR5312)
-		ar5312_irq_dispatch();
-#endif
-#ifdef CONFIG_ATHEROS_AR5315
-	if (mips_machtype == MACH_ATHEROS_AR5315)
-		ar5315_irq_dispatch();
-#endif
+	DO_AR5312(ar5312_irq_dispatch();)
+	DO_AR5315(ar5315_irq_dispatch();)
 }
 
 void __init arch_init_irq(void)
@@ -83,14 +77,8 @@ void __init arch_init_irq(void)
 	mips_cpu_irq_init(0);
 
 	/* Initialize interrupt controllers */
-#ifdef CONFIG_ATHEROS_AR5312
-	if (mips_machtype == MACH_ATHEROS_AR5312)
-		ar5312_misc_intr_init(AR531X_MISC_IRQ_BASE);
-#endif
-#ifdef CONFIG_ATHEROS_AR5315
-	if (mips_machtype == MACH_ATHEROS_AR5315)
-		ar5315_misc_intr_init(AR531X_MISC_IRQ_BASE);
-#endif
+	DO_AR5312(ar5312_misc_intr_init(AR531X_MISC_IRQ_BASE);)
+	DO_AR5315(ar5315_misc_intr_init(AR531X_MISC_IRQ_BASE);)
 
 	/* Default "spurious interrupt" handlers */
 	setup_irq(AR531X_IRQ_NONE, &spurious_irq);
diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c b/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c
index 6dfa13c..5a4ee63 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/prom.c
@@ -27,38 +27,13 @@
 
 void __init prom_init(void)
 {
-	u32 memsize, memcfg;
 
 	mips_machgroup = MACH_GROUP_ATHEROS;
 	mips_machtype = -1;
 
-	/*                                                                             
-	 * Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are
-	 * using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime.
-	 */
-                                                                            
-	if (current_cpu_data.cputype == CPU_4KEC) {
-		mips_machtype = MACH_ATHEROS_AR5315;
-		
-		memcfg = sysRegRead(AR5315_MEM_CFG);
-		memsize   = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S);
-		memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S);
-		memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S);
-		memsize <<= 3;
-	} else {
-		int bank0AC, bank1AC;
+	DO_AR5312(ar5312_prom_init();)
+	DO_AR5315(ar5315_prom_init();)
 
-		mips_machtype = MACH_ATHEROS_AR5312;
-
-		memcfg = sysRegRead(AR531X_MEM_CFG1);
-		bank0AC = (memcfg & MEM_CFG1_AC0) >> MEM_CFG1_AC0_S;
-		bank1AC = (memcfg & MEM_CFG1_AC1) >> MEM_CFG1_AC1_S;
-		memsize = (bank0AC ? (1 << (bank0AC+1)) : 0)
-		        + (bank1AC ? (1 << (bank1AC+1)) : 0);
-		memsize <<= 20;
-	}
-
-	add_memory_region(0, memsize, BOOT_MEM_RAM);
 	strcpy(arcs_cmdline, "console=ttyS0,9600 rootfstype=squashfs,jffs2");
 }
 
diff --git a/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.c b/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.c
index bf62c78..52009fe 100644
--- a/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.c
+++ b/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.c
@@ -1,9 +1,9 @@
 /*
- * ar2313.c: Linux driver for the Atheros AR231z Ethernet device.
+ * ar2313.c: Linux driver for the Atheros AR231x Ethernet device.
  *
  * Copyright (C) 2004 by Sameer Dekate <sdekate@arubanetworks.com>
  * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
  *
  * Thanks to Atheros for providing hardware and documentation
  * enabling me to write this driver.
@@ -50,7 +50,10 @@
 #include <asm/uaccess.h>
 #include <asm/bootinfo.h>
 
-#include <ar531x_platform.h>
+#define AR2313_MTU                     1692
+#define AR2313_PRIOS                   1
+#define AR2313_QUEUES                  (2*AR2313_PRIOS)
+#define AR2313_DESCR_ENTRIES           64
 
 #undef INDEX_DEBUG
 #define DEBUG     0
@@ -68,27 +71,11 @@
 #define SMP_CACHE_BYTES	L1_CACHE_BYTES
 #endif
 
-#ifndef SET_MODULE_OWNER
-#define SET_MODULE_OWNER(dev)		{do{} while(0);}
-#define AR2313_MOD_INC_USE_COUNT	MOD_INC_USE_COUNT
-#define AR2313_MOD_DEC_USE_COUNT	MOD_DEC_USE_COUNT
-#else
-#define AR2313_MOD_INC_USE_COUNT	{do{} while(0);}
-#define AR2313_MOD_DEC_USE_COUNT	{do{} while(0);}
-#endif
-
-#define PHYSADDR(a)		((_ACAST32_ (a)) & 0x1fffffff)
-
-static char ifname[5] = "bond";
-
-module_param_string(ifname, ifname, 5, 0);
-
 #define AR2313_MBOX_SET_BIT  0x8
 
 #define BOARD_IDX_STATIC	0
 #define BOARD_IDX_OVERFLOW	-1
 
-#include "ar2313_msg.h"
 #include "platform.h"
 #include "dma.h"
 #include "ar2313.h"
@@ -154,16 +141,11 @@ MODULE_AUTHOR("Sameer Dekate <sdekate@arubanetworks.com>, Imre Kaloz <kaloz@open
 MODULE_DESCRIPTION("AR2313 Ethernet driver");
 #endif
 
-#if DEBUG
-static char version[] __initdata = 
-  "ar2313.c: v0.03 2006/07/12  sdekate@arubanetworks.com\n";
-#endif /* DEBUG */
-
 #define virt_to_phys(x) ((u32)(x) & 0x1fffffff)
 
 // prototypes
-static short armiiread(short phy, short reg);
-static void armiiwrite(short phy, short reg, short data);
+static short armiiread(struct net_device *dev, short phy, short reg);
+static void armiiwrite(struct net_device *dev, short phy, short reg, short data);
 #ifdef TX_TIMEOUT
 static void ar2313_tx_timeout(struct net_device *dev);
 #endif
@@ -171,13 +153,6 @@ static void ar2313_halt(struct net_device *dev);
 static void rx_tasklet_func(unsigned long data);
 static void ar2313_multicast_list(struct net_device *dev);
 
-static int probed __initdata = 0;
-static unsigned long ar_eth_base;
-static unsigned long ar_dma_base;
-static unsigned long ar_int_base;
-static unsigned long ar_int_mac_mask;
-static unsigned long ar_int_phy_mask;
-
 #ifndef ERR
 #define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
 #endif
@@ -187,17 +162,10 @@ int __init ar2313_probe(struct platform_device *pdev)
 {
 	struct net_device *dev;
 	struct ar2313_private *sp;
-	struct ar531x_eth *cfg;
 	struct resource *res;
-	int version_disp;
-	char name[64] ;
+	unsigned long ar_eth_base;
+	char buf[64] ;
 
-	if (probed)
-	    return -ENODEV;
-	probed++;
-
-	version_disp = 0;
-	sprintf(name, "%s%%d", ifname) ;
 	dev = alloc_etherdev(sizeof(struct ar2313_private));
 
 	if (dev == NULL) {
@@ -210,21 +178,19 @@ int __init ar2313_probe(struct platform_device *pdev)
 
 	sp = dev->priv;
 	sp->dev = dev;
-	cfg = pdev->dev.platform_data;
+	sp->cfg = pdev->dev.platform_data;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "eth_membase");
+	sprintf(buf, "eth%d_membase", pdev->id);
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, buf);
 	if (!res)
 		return -ENODEV;
 	
 	sp->link = 0;
 	ar_eth_base = res->start;
-	ar_dma_base = ar_eth_base + 0x1000;
-	ar_int_base = cfg->reset_base;
-	ar_int_mac_mask = cfg->reset_mac;
-	ar_int_phy_mask = cfg->reset_phy;
-	sp->phy = cfg->phy;
+	sp->phy = sp->cfg->phy;
 
-	dev->irq = platform_get_irq_byname(pdev, "eth_irq");
+	sprintf(buf, "eth%d_irq", pdev->id);
+	dev->irq = platform_get_irq_byname(pdev, buf);
 
 	spin_lock_init(&sp->lock);
 
@@ -247,61 +213,43 @@ int __init ar2313_probe(struct platform_device *pdev)
 	tasklet_init(&sp->rx_tasklet, rx_tasklet_func, (unsigned long) dev);
 	tasklet_disable(&sp->rx_tasklet);
 
-	/* display version info if adapter is found */
-	if (!version_disp) {
-	    /* set display flag to TRUE so that */
-	    /* we only display this string ONCE */
-	version_disp = 1;
-#if DEBUG
-	printk(version);
-#endif /* DEBUG */
-	}
-
-#if 0
-	request_region(PHYSADDR(ar_eth_base), ETHERNET_SIZE*ETHERNET_MACS,
-	               "AR2313ENET");
-#endif
-
-	sp->eth_regs = ioremap_nocache(PHYSADDR(ar_eth_base), sizeof(*sp->eth_regs));
+	sp->eth_regs = ioremap_nocache(virt_to_phys(ar_eth_base), sizeof(*sp->eth_regs));
 	if (!sp->eth_regs) {
 		printk("Can't remap eth registers\n");
 		return(-ENXIO);
 	}
 
-	sp->dma_regs = ioremap_nocache(PHYSADDR(ar_eth_base + 0x1000), sizeof(*sp->dma_regs));
+	/* 
+	 * When there's only one MAC, PHY regs are typically on ENET0, 
+	 * even though the MAC might be on ENET1.
+	 * Needto remap PHY regs separately in this case
+	 */
+	if (virt_to_phys(ar_eth_base) == virt_to_phys(sp->phy_regs))
+		sp->phy_regs = sp->eth_regs;
+	else {
+		sp->phy_regs = ioremap_nocache(virt_to_phys(sp->cfg->phy_base), sizeof(*sp->phy_regs));
+		if (!sp->phy_regs) {
+			printk("Can't remap phy registers\n");
+			return(-ENXIO);
+		}
+	}
+
+	sp->dma_regs = ioremap_nocache(virt_to_phys(ar_eth_base + 0x1000), sizeof(*sp->dma_regs));
 	dev->base_addr = (unsigned int) sp->dma_regs;
 	if (!sp->dma_regs) {
 		printk("Can't remap DMA registers\n");
 		return(-ENXIO);
 	}
 
-	sp->int_regs = ioremap_nocache(PHYSADDR(ar_int_base), 4);
+	sp->int_regs = ioremap_nocache(virt_to_phys(sp->cfg->reset_base), 4);
 	if (!sp->int_regs) {
 		printk("Can't remap INTERRUPT registers\n");
 		return(-ENXIO);
 	}
 
-	strncpy(sp->name, "Atheros AR2313", sizeof (sp->name) - 1);
+	strncpy(sp->name, "Atheros AR231x", sizeof (sp->name) - 1);
 	sp->name [sizeof (sp->name) - 1] = '\0';
-
-	{
-		/* XXX: Will have to rewrite this part later */
-		char *configstart;
-		unsigned char def_mac[6] = {0, 0xaa, 0xbb, 0xcc, 0xdd, 0xee};
-
-		configstart = (char *) cfg->board_config;
-
-		if (!configstart) {
-			printk("no valid mac found, using defaults");
-			memcpy(dev->dev_addr, def_mac, 6);
-		} else {
-			memcpy(dev->dev_addr, ((u8 *)configstart)+102, 6);
-			/* use the other MAC slot if the first one is empty */
-			if (!memcmp(dev->dev_addr, "\xff\xff\xff\xff\xff\xff", 6))
-				memcpy(dev->dev_addr, ((u8 *)configstart)+102 + 6, 6);
-		}
-	}
-
+	memcpy(dev->dev_addr, sp->cfg->macaddr, 6);
 	sp->board_idx = BOARD_IDX_STATIC;
 
 	if (ar2313_init(dev)) {
@@ -546,7 +494,7 @@ static int ar2313_allocate_descriptors(struct net_device *dev)
 	td->status = 0;
 	td->devcs  = DMA_TX1_CHAINED;
 	td->addr   = 0;
-	td->descr  = K1_TO_PHYS(&sp->tx_ring[(j+1) & (AR2313_DESCR_ENTRIES-1)]);
+	td->descr  = virt_to_phys(&sp->tx_ring[(j+1) & (AR2313_DESCR_ENTRIES-1)]);
 	}
 
 	return 0;
@@ -632,7 +580,7 @@ static void ar2313_check_link(struct net_device *dev)
 	struct ar2313_private *sp = dev->priv;
 	u16 phyData;
 
-	phyData = armiiread(sp->phy, MII_BMSR);
+	phyData = armiiread(dev, sp->phy, MII_BMSR);
 	if (sp->phyData != phyData) {
 	if (phyData & BMSR_LSTATUS) {
 	        /* link is present, ready link partner ability to deterine duplexity */
@@ -640,10 +588,10 @@ static void ar2313_check_link(struct net_device *dev)
 	        u16 reg;
 
 	        sp->link = 1;
-	        reg = armiiread(sp->phy, MII_BMCR);
+	        reg = armiiread(dev, sp->phy, MII_BMCR);
 	        if (reg & BMCR_ANENABLE) {
 	            /* auto neg enabled */
-	            reg = armiiread(sp->phy, MII_LPA);
+	            reg = armiiread(dev, sp->phy, MII_LPA);
 	            duplex = (reg & (LPA_100FULL|LPA_10FULL))? 1:0;
 	        } else {
 	            /* no auto neg, just read duplex config */
@@ -677,13 +625,13 @@ ar2313_reset_reg(struct net_device *dev)
 	unsigned int ethsal, ethsah;
 	unsigned int flags;
 
-	*sp->int_regs |= ar_int_mac_mask;
+	*sp->int_regs |= sp->cfg->reset_mac;
 	mdelay(10);
-	*sp->int_regs &= ~ar_int_mac_mask;
+	*sp->int_regs &= ~sp->cfg->reset_mac;
 	mdelay(10);
-	*sp->int_regs |= ar_int_phy_mask;
+	*sp->int_regs |= sp->cfg->reset_phy;
 	mdelay(10);
-	*sp->int_regs &= ~ar_int_phy_mask;
+	*sp->int_regs &= ~sp->cfg->reset_phy;
 	mdelay(10);
 
 	sp->dma_regs->bus_mode = (DMA_BUS_MODE_SWR);
@@ -696,8 +644,8 @@ ar2313_reset_reg(struct net_device *dev)
 			      DMA_STATUS_RI  |
 			      DMA_STATUS_TI  |
 			      DMA_STATUS_FBE);
-	sp->dma_regs->xmt_base = K1_TO_PHYS(sp->tx_ring);
-	sp->dma_regs->rcv_base = K1_TO_PHYS(sp->rx_ring);
+	sp->dma_regs->xmt_base = virt_to_phys(sp->tx_ring);
+	sp->dma_regs->rcv_base = virt_to_phys(sp->rx_ring);
 	sp->dma_regs->control = (DMA_CONTROL_SR | DMA_CONTROL_ST | DMA_CONTROL_SF);
 	
 	sp->eth_regs->flow_control = (FLOW_CONTROL_FCE);
@@ -943,27 +891,15 @@ static int ar2313_rx_int(struct net_device *dev)
 	    skb_new = dev_alloc_skb(AR2313_BUFSIZE + RX_OFFSET + 128);
 	    if (skb_new != NULL) {
 
-	            skb = sp->rx_skb[idx];
+		skb = sp->rx_skb[idx];
 		/* set skb */
-	            skb_put(skb, ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
+		skb_put(skb, ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
+
+		sp->stats.rx_bytes += skb->len;
+		skb->protocol = eth_type_trans(skb, dev);
+		/* pass the packet to upper layers */
+		netif_rx(skb);
 
-#ifdef CONFIG_MERLOT
-		if ((dev->am_pkt_handler == NULL) || 
-	                (dev->am_pkt_handler(skb, dev) == 0)) {
-#endif
-	              sp->stats.rx_bytes += skb->len;
-	              skb->protocol = eth_type_trans(skb, dev);
-	              /* pass the packet to upper layers */
-
-#ifdef CONFIG_MERLOT
-	              if (dev->asap_netif_rx)
-	                  dev->asap_netif_rx(skb);
-	              else
-#endif
-	              netif_rx(skb);
-#ifdef CONFIG_MERLOT
-		}
-#endif
 		skb_new->dev = dev;
 		/* 16 bit align */
 		skb_reserve(skb_new, RX_OFFSET+32);
@@ -972,9 +908,8 @@ static int ar2313_rx_int(struct net_device *dev)
 
 		sp->stats.rx_packets++;
 		sp->rx_skb[idx] = skb_new;
-
 	    } else {
-		sp->stats.rx_dropped++;
+			sp->stats.rx_dropped++;
 	    }
 	}
 
@@ -1138,8 +1073,6 @@ static int ar2313_open(struct net_device *dev)
 
 	sp->eth_regs->mac_control |= MAC_CONTROL_RE;
 
-	AR2313_MOD_INC_USE_COUNT;
-
 	return 0;
 }
 
@@ -1158,7 +1091,7 @@ static void ar2313_halt(struct net_device *dev)
 	sp->dma_regs->bus_mode = DMA_BUS_MODE_SWR;
 
 	/* place phy and MAC in reset */
-	*sp->int_regs |= (ar_int_mac_mask | ar_int_phy_mask);
+	*sp->int_regs |= (sp->cfg->reset_mac | sp->cfg->reset_phy);
 
 	/* free buffers on tx ring */
 	for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
@@ -1208,7 +1141,6 @@ static int ar2313_close(struct net_device *dev)
 	free_irq(dev->irq, dev);
 
 #endif
-	AR2313_MOD_DEC_USE_COUNT;
 	return 0;
 }
 
@@ -1255,8 +1187,6 @@ static int ar2313_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	idx = DSC_NEXT(idx);
 	sp->tx_prd = idx;
 
-	//dev->trans_start = jiffies;
-
 	return 0;
 }
 
@@ -1277,7 +1207,7 @@ static int netdev_get_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
 	ecmd->phy_address = 1;
 
 	ecmd->advertising = ADVERTISED_MII;
-	tmp = armiiread(np->phy, MII_ADVERTISE);
+	tmp = armiiread(dev, np->phy, MII_ADVERTISE);
 	if (tmp & ADVERTISE_10HALF)
 		ecmd->advertising |= ADVERTISED_10baseT_Half;
 	if (tmp & ADVERTISE_10FULL)
@@ -1287,7 +1217,7 @@ static int netdev_get_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
 	if (tmp & ADVERTISE_100FULL)
 		ecmd->advertising |= ADVERTISED_100baseT_Full;
 
-	tmp = armiiread(np->phy, MII_BMCR);
+	tmp = armiiread(dev, np->phy, MII_BMCR);
 	if (tmp & BMCR_ANENABLE) {
 		ecmd->advertising |= ADVERTISED_Autoneg;
 		ecmd->autoneg = AUTONEG_ENABLE;
@@ -1296,7 +1226,7 @@ static int netdev_get_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
 	}
 
 	    if (ecmd->autoneg == AUTONEG_ENABLE) {
-	        tmp = armiiread(np->phy, MII_LPA);
+	        tmp = armiiread(dev, np->phy, MII_LPA);
 	        if (tmp & (LPA_100FULL|LPA_10FULL)) {
 	            ecmd->duplex = DUPLEX_FULL;
 	        } else {
@@ -1344,7 +1274,7 @@ static int netdev_set_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
 	
 	/* WHEW! now lets bang some bits */
 	
-	tmp = armiiread(np->phy, MII_BMCR);
+	tmp = armiiread(dev, np->phy, MII_BMCR);
 	if (ecmd->autoneg == AUTONEG_ENABLE) {
 		/* turn on autonegotiation */
 		tmp |= BMCR_ANENABLE;
@@ -1360,7 +1290,7 @@ static int netdev_set_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
 	                   (ecmd->speed == SPEED_100)? 100:10,
 	                   (ecmd->duplex == DUPLEX_FULL)? "full":"half");
 	}
-	armiiwrite(np->phy, MII_BMCR, tmp);
+	armiiwrite(dev, np->phy, MII_BMCR, tmp);
 	    np->phyData = 0;
 	return 0;
 }
@@ -1400,10 +1330,10 @@ static int netdev_ethtool_ioctl(struct net_device *dev, void *useraddr)
 		int tmp;
 		int r = -EINVAL;
 		/* if autoneg is off, it's an error */
-		tmp = armiiread(np->phy, MII_BMCR);
+		tmp = armiiread(dev, np->phy, MII_BMCR);
 		if (tmp & BMCR_ANENABLE) {
 			tmp |= (BMCR_ANRESTART);
-			armiiwrite(np->phy, MII_BMCR, tmp);
+			armiiwrite(dev, np->phy, MII_BMCR, tmp);
 			r = 0;
 		}
 		return r;
@@ -1411,7 +1341,7 @@ static int netdev_ethtool_ioctl(struct net_device *dev, void *useraddr)
 	/* get link status */
 	case ETHTOOL_GLINK: {
 		struct ethtool_value edata = {ETHTOOL_GLINK};
-		edata.data = (armiiread(np->phy, MII_BMSR)&BMSR_LSTATUS) ? 1:0;
+		edata.data = (armiiread(dev, np->phy, MII_BMSR)&BMSR_LSTATUS) ? 1:0;
 		if (copy_to_user(useraddr, &edata, sizeof(edata)))
 			return -EFAULT;
 		return 0;
@@ -1426,57 +1356,6 @@ static int ar2313_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	struct mii_ioctl_data *data = (struct mii_ioctl_data *)&ifr->ifr_data;
 
 	switch (cmd) {
-	case SIOCDEVPRIVATE: {
-	    struct ar2313_cmd scmd;
-
-	    if (copy_from_user(&scmd, ifr->ifr_data, sizeof(scmd)))
-	    return -EFAULT;
-
-#if DEBUG
-	printk("%s: ioctl devprivate c=%d a=%x l=%d m=%d d=%x,%x\n",
-	       dev->name, scmd.cmd,
-	       scmd.address, scmd.length,
-	       scmd.mailbox, scmd.data[0], scmd.data[1]);
-#endif /* DEBUG */
-
-	switch (scmd.cmd) {
-	case AR2313_READ_DATA:
-	    if(scmd.length==4){
-		scmd.data[0] = *((u32*)scmd.address);
-	    } else if(scmd.length==2) {
-		scmd.data[0] = *((u16*)scmd.address);
-	    } else if (scmd.length==1) {
-		scmd.data[0] = *((u8*)scmd.address);
-	    } else {
-		return -EOPNOTSUPP;
-	    }
-	    if(copy_to_user(ifr->ifr_data, &scmd, sizeof(scmd)))
-	        return -EFAULT;
-	    break;
-
-	case AR2313_WRITE_DATA:
-	    if(scmd.length==4){
-		*((u32*)scmd.address) = scmd.data[0];
-	    } else if(scmd.length==2) {
-		*((u16*)scmd.address) = scmd.data[0];
-	    } else if (scmd.length==1) {
-		*((u8*)scmd.address) = scmd.data[0];
-	    } else {
-		return -EOPNOTSUPP;
-	    }
-	    break;
-
-	case AR2313_GET_VERSION:
-	    // SAMEER: sprintf((char*) &scmd, "%s", ARUBA_VERSION);
-	    if(copy_to_user(ifr->ifr_data, &scmd, sizeof(scmd)))
-	        return -EFAULT;
-	    break;
-
-	default:
-	    return -EOPNOTSUPP;
-	}
-	return 0;
-	}
 	  
 	case SIOCETHTOOL:
 	    return netdev_ethtool_ioctl(dev, (void *) ifr->ifr_data);
@@ -1486,15 +1365,13 @@ static int ar2313_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	    /* Fall Through */
 
 	case SIOCGMIIREG:		/* Read MII PHY register. */
-	case SIOCDEVPRIVATE+1:	/* for binary compat, remove in 2.5 */
-	    data->val_out = armiiread(data->phy_id & 0x1f, 
+	    data->val_out = armiiread(dev, data->phy_id & 0x1f, 
 	                              data->reg_num & 0x1f);
 	    return 0;
 	case SIOCSMIIREG:		/* Write MII PHY register. */
-	case SIOCDEVPRIVATE+2:	/* for binary compat, remove in 2.5 */
 	    if (!capable(CAP_NET_ADMIN))
 	        return -EPERM;
-	    armiiwrite(data->phy_id & 0x1f, 
+	    armiiwrite(dev, data->phy_id & 0x1f, 
 	               data->reg_num & 0x1f, data->val_in);
 	    return 0;
 
@@ -1521,28 +1398,29 @@ static struct net_device_stats *ar2313_get_stats(struct net_device *dev)
 	return &sp->stats;
 }
 
+
+#define MII_ADDR(phy, reg) \
+	((reg << MII_ADDR_REG_SHIFT) | (phy << MII_ADDR_PHY_SHIFT))
+
 static short
-armiiread(short phy, short reg)
+armiiread(struct net_device *dev, short phy, short reg)
 {
-  volatile ETHERNET_STRUCT * ethernet;
+	struct ar2313_private *sp = (struct ar2313_private *)dev->priv;
+	volatile ETHERNET_STRUCT *ethernet = sp->phy_regs;
 
-  ethernet = (volatile ETHERNET_STRUCT *)(ar_eth_base); /* always MAC 0 */
-  ethernet->mii_addr = ((reg << MII_ADDR_REG_SHIFT) |
-	                    (phy << MII_ADDR_PHY_SHIFT));
-  while (ethernet->mii_addr & MII_ADDR_BUSY);
-  return (ethernet->mii_data >> MII_DATA_SHIFT);
+	ethernet->mii_addr = MII_ADDR(phy, reg);
+	while (ethernet->mii_addr & MII_ADDR_BUSY);
+	return (ethernet->mii_data >> MII_DATA_SHIFT);
 }
 
 static void
-armiiwrite(short phy, short reg, short data)
+armiiwrite(struct net_device *dev, short phy, short reg, short data)
 {
-  volatile ETHERNET_STRUCT * ethernet;
-
-  ethernet = (volatile ETHERNET_STRUCT *)(ar_eth_base); /* always MAC 0 */
-  while (ethernet->mii_addr & MII_ADDR_BUSY);
-  ethernet->mii_data = data << MII_DATA_SHIFT;
-  ethernet->mii_addr = ((reg << MII_ADDR_REG_SHIFT) |
-	                    (phy << MII_ADDR_PHY_SHIFT) |
-	                    MII_ADDR_WRITE);
+	struct ar2313_private *sp = (struct ar2313_private *)dev->priv;
+	volatile ETHERNET_STRUCT *ethernet = sp->phy_regs;
+
+	while (ethernet->mii_addr & MII_ADDR_BUSY);
+	ethernet->mii_data = data << MII_DATA_SHIFT;
+	ethernet->mii_addr = MII_ADDR(phy, reg) | MII_ADDR_WRITE;
 }
 
diff --git a/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.h b/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.h
index 3606bd7..40af4cb 100644
--- a/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.h
+++ b/target/linux/atheros-2.6/files/drivers/net/ar2313/ar2313.h
@@ -3,56 +3,18 @@
 
 #include <linux/autoconf.h>
 #include <asm/bootinfo.h>
+#include <ar531x_platform.h>
 #include "platform.h"
 
-extern unsigned long mips_machtype;
-
-#undef ETHERNET_BASE
-#define ETHERNET_BASE ar_eth_base
-#define ETHERNET_SIZE 0x00100000
-#define ETHERNET_MACS 2
-
-#undef DMA_BASE
-#define DMA_BASE      ar_dma_base
-#define DMA_SIZE      0x00100000
-
-
 /*
  * probe link timer - 5 secs
  */
 #define LINK_TIMER    (5*HZ) 
 
-/*
- * Interrupt register base address
- */
-#define INTERRUPT_BASE    PHYS_TO_K1(ar_int_base)
-
-/*
- * Reset Register
- */
-#define AR531X_RESET    (AR531X_RESETTMR + 0x0020)
-#define RESET_SYSTEM         0x00000001      /* cold reset full system */
-#define RESET_PROC           0x00000002      /* cold reset MIPS core */
-#define RESET_WLAN0          0x00000004      /* cold reset WLAN MAC and BB */
-#define RESET_EPHY0          0x00000008      /* cold reset ENET0 phy */
-#define RESET_EPHY1          0x00000010      /* cold reset ENET1 phy */
-#define RESET_ENET0          0x00000020      /* cold reset ENET0 mac */
-#define RESET_ENET1          0x00000040      /* cold reset ENET1 mac */
-
 #define IS_DMA_TX_INT(X)   (((X) & (DMA_STATUS_TI)) != 0)
 #define IS_DMA_RX_INT(X)   (((X) & (DMA_STATUS_RI)) != 0)
 #define IS_DRIVER_OWNED(X) (((X) & (DMA_TX_OWN))    == 0)
 
-#ifndef K1_TO_PHYS
-// hack
-#define K1_TO_PHYS(x)   (((unsigned int)(x)) & 0x1FFFFFFF)        /* kseg1 to physical */
-#endif
-
-#ifndef PHYS_TO_K1
-// hack
-#define  PHYS_TO_K1(x)   (((unsigned int)(x)) | 0xA0000000)   /* physical to kseg1 */
-#endif
-
 #define AR2313_TX_TIMEOUT (HZ/4)
 
 /*
@@ -111,9 +73,11 @@ struct ar2313_private
 	int			version;
 	u32                     mb[2];
 	
+	volatile ETHERNET_STRUCT	*phy_regs;
 	volatile ETHERNET_STRUCT	*eth_regs;
 	volatile DMA			*dma_regs;
 	volatile u32		        *int_regs;
+	struct ar531x_eth *cfg;
 
 	spinlock_t lock; 	/* Serialise access to device */
 
diff --git a/target/linux/atheros-2.6/files/drivers/net/ar2313/dma.h b/target/linux/atheros-2.6/files/drivers/net/ar2313/dma.h
index 2f8c06a..6544c4e 100644
--- a/target/linux/atheros-2.6/files/drivers/net/ar2313/dma.h
+++ b/target/linux/atheros-2.6/files/drivers/net/ar2313/dma.h
@@ -127,9 +127,14 @@
 #define DMA_CONTROL_ST       AR_BIT(13) /* start transmit */
 #define DMA_CONTROL_SF       AR_BIT(21) /* store and forward */
 
-#endif	// __ARUBA_DMA_H__
-
 
+typedef struct {
+    volatile unsigned int	status;		// OWN, Device control and status.
+    volatile unsigned int	devcs;		// pkt Control bits + Length
+    volatile unsigned int	addr;		// Current Address.
+    volatile unsigned int	descr;		// Next descriptor in chain.
+} ar2313_descr_t;
 
 
+#endif	// __ARUBA_DMA_H__
 
diff --git a/target/linux/atheros-2.6/files/drivers/net/ar2313/platform.h b/target/linux/atheros-2.6/files/drivers/net/ar2313/platform.h
index 67d8f5c..8e1c565 100644
--- a/target/linux/atheros-2.6/files/drivers/net/ar2313/platform.h
+++ b/target/linux/atheros-2.6/files/drivers/net/ar2313/platform.h
@@ -17,43 +17,6 @@
 #ifndef PLATFORM_H
 #define PLATFORM_H
 
-#define BIT(x) (1 << (x))
-
-#define RESET_BASE        0xBC003020
-#define RESET_VALUE       0x00000001
-
-/********************************************************************
- * Device controller 
- ********************************************************************/
-typedef struct {
-  volatile unsigned int flash0;
-} DEVICE;
-
-#define device (*((volatile DEVICE *) DEV_CTL_BASE))
-
-// DDRC register
-#define DEV_WP        (1<<26)
-
-/********************************************************************
- * DDR controller 
- ********************************************************************/
-typedef struct {
-  volatile unsigned int ddrc0;
-  volatile unsigned int ddrc1;
-  volatile unsigned int ddrrefresh;
-} DDR;
-
-#define ddr (*((volatile DDR *) DDR_BASE))
-
-// DDRC register
-#define DDRC_CS(i)     ((i&0x3)<<0)
-#define DDRC_WE        (1<<2)
-
-/********************************************************************
- * Ethernet interfaces
- ********************************************************************/
-#define ETHERNET_BASE    0xB8200000
-
 //
 // New Combo structure for Both Eth0 AND eth1
 //
@@ -84,27 +47,9 @@ typedef struct {
   volatile unsigned int reset_control;		/* 0x20 */
 } INTERRUPT;
 
-#define interrupt (*((volatile INTERRUPT *) INTERRUPT_BASE))
-
-#define INTERRUPT_MISC_TIMER    BIT(0)
-#define INTERRUPT_MISC_AHBPROC  BIT(1)
-#define INTERRUPT_MISC_AHBDMA   BIT(2)
-#define INTERRUPT_MISC_GPIO     BIT(3)
-#define INTERRUPT_MISC_UART     BIT(4)
-#define INTERRUPT_MISC_UARTDMA  BIT(5)
-#define INTERRUPT_MISC_WATCHDOG BIT(6)
-#define INTERRUPT_MISC_LOCAL    BIT(7)
-
-#define INTERRUPT_GLOBAL_ETH    BIT(2)
-#define INTERRUPT_GLOBAL_WLAN   BIT(3)
-#define INTERRUPT_GLOBAL_MISC   BIT(4)
-#define INTERRUPT_GLOBAL_ITIMER BIT(5)
-
 /********************************************************************
  * DMA controller
  ********************************************************************/
-#define DMA_BASE          0xB8201000
-
 typedef struct {
   volatile unsigned int bus_mode;        /* 0x00 (CSR0) */
   volatile unsigned int xmt_poll;        /* 0x04 (CSR1) */
@@ -120,9 +65,4 @@ typedef struct {
   volatile unsigned int cur_rx_buf_addr; /* 0x50 (CSR21) */
 } DMA;
 
-#define dma (*((volatile DMA *) DMA_BASE))
-
-// macro to convert from virtual to physical address  
-#define phys_addr(x)      (x & 0x1fffffff) 
-
 #endif /* PLATFORM_H */
diff --git a/target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/ar531x_platform.h b/target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/ar531x_platform.h
index 377b31a..bddcd59 100644
--- a/target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/ar531x_platform.h
+++ b/target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/ar531x_platform.h
@@ -20,7 +20,9 @@ struct ar531x_eth {
 	u32 reset_base;
 	u32 reset_mac;
 	u32 reset_phy;
+	u32 phy_base;
 	char *board_config;
+	char *macaddr;
 };
 
 #endif /* __AR531X_PLATFORM_H */
diff --git a/target/linux/atheros-2.6/patches/100-board.patch b/target/linux/atheros-2.6/patches/100-board.patch
index a137d15..f04953a 100644
--- a/target/linux/atheros-2.6/patches/100-board.patch
+++ b/target/linux/atheros-2.6/patches/100-board.patch
@@ -46,7 +46,7 @@ diff -urN linux.old/arch/mips/Makefile linux.dev/arch/mips/Makefile
 diff -urN linux.old/include/asm-mips/bootinfo.h linux.dev/include/asm-mips/bootinfo.h
 --- linux.old/include/asm-mips/bootinfo.h	2007-02-02 23:55:52.913446632 +0100
 +++ linux.dev/include/asm-mips/bootinfo.h	2007-02-03 17:51:02.531494032 +0100
-@@ -212,6 +212,13 @@
+@@ -212,6 +212,18 @@
  #define MACH_GROUP_NEC_EMMA2RH 25	/* NEC EMMA2RH (was 23)		*/
  #define  MACH_NEC_MARKEINS	0	/* NEC EMMA2RH Mark-eins	*/
  
@@ -54,8 +54,13 @@ diff -urN linux.old/include/asm-mips/bootinfo.h linux.dev/include/asm-mips/booti
 + * Valid machtype for group ATHEROS
 + */
 +#define MACH_GROUP_ATHEROS	26
-+#define MACH_ATHEROS_AR5312	0	/* Atheros AR5312, AR2312/3/4	*/
-+#define MACH_ATHEROS_AR5315	1	/* Atheros AR2315/6/7/8		*/
++#define MACH_ATHEROS_AR5312	0
++#define MACH_ATHEROS_AR2312	1
++#define MACH_ATHEROS_AR2313	2
++#define MACH_ATHEROS_AR2315	3
++#define MACH_ATHEROS_AR2316	4
++#define MACH_ATHEROS_AR2317	5
++#define MACH_ATHEROS_AR2318	6
 +
  #define CL_SIZE			COMMAND_LINE_SIZE