import Gateworks CF optimizations, add support for additional features for the Cambria -- thanks Chris

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11301 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 285 insertions, 2 deletions

diff --git a/target/linux/ixp4xx/config-default b/target/linux/ixp4xx/config-default
index bb90076a70..83689528ee 100644
--- a/target/linux/ixp4xx/config-default
+++ b/target/linux/ixp4xx/config-default
@@ -455,6 +455,8 @@ CONFIG_SENSORS_W83781D=y
 # CONFIG_SENSORS_W83793 is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SERIAL_8250_EXTENDED is not set
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SHMEM is not set
 CONFIG_SLHC=m
 # CONFIG_SMB_FS is not set
diff --git a/target/linux/ixp4xx/patches-2.6.25/190-cambria_support.patch b/target/linux/ixp4xx/patches-2.6.25/190-cambria_support.patch
index 0f9b5f43c3..5e682b0978 100644
--- a/target/linux/ixp4xx/patches-2.6.25/190-cambria_support.patch
+++ b/target/linux/ixp4xx/patches-2.6.25/190-cambria_support.patch
@@ -258,13 +258,13 @@
 +};
 +
 +static struct eth_plat_info cambria_npec_data = {
-+	.phy		= 2,
++	.phy		= 1,
 +	.rxq		= 4,
 +	.txreadyq	= 21,
 +};
 +
 +static struct eth_plat_info cambria_npea_data = {
-+	.phy		= 1,
++	.phy		= 2,
 +	.rxq		= 2,
 +	.txreadyq	= 19,
 +};
diff --git a/target/linux/ixp4xx/patches-2.6.25/191-cambria_optional_uart.patch b/target/linux/ixp4xx/patches-2.6.25/191-cambria_optional_uart.patch
new file mode 100644
index 0000000000..5747aa7de5
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.25/191-cambria_optional_uart.patch
@@ -0,0 +1,97 @@
+--- a/arch/arm/mach-ixp4xx/cambria-setup.c
++++ b/arch/arm/mach-ixp4xx/cambria-setup.c
+@@ -36,6 +36,7 @@
+ #include <asm/mach-types.h>
+ #include <asm/mach/arch.h>
+ #include <asm/mach/flash.h>
++#include <linux/irq.h>
+ 
+ struct cambria_board_info {
+ 	unsigned char	*model;
+@@ -105,6 +106,43 @@
+ 	.resource	= &cambria_uart_resource,
+ };
+ 
++static struct resource cambria_optional_uart_resources[] = {
++	{
++		.start	= 0x52000000,
++		.end	= 0x52000fff,
++		.flags	= IORESOURCE_MEM
++	},
++	{
++		.start	= 0x53000000,
++		.end	= 0x53000fff,
++		.flags	= IORESOURCE_MEM
++	}
++};
++
++static struct plat_serial8250_port cambria_optional_uart_data[] = {
++	{
++		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
++		.iotype		= UPIO_MEM,
++		.regshift	= 0,
++		.uartclk	= 1843200,
++	},
++	{
++		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
++		.iotype		= UPIO_MEM,
++		.regshift	= 0,
++		.uartclk	= 1843200,
++	},
++  { },
++};
++
++static struct platform_device cambria_optional_uart = {
++	.name		= "serial8250",
++	.id		= PLAT8250_DEV_PLATFORM1,
++	.dev.platform_data	= cambria_optional_uart_data,
++	.num_resources	= 2,
++	.resource	= cambria_optional_uart_resources,
++};
++
+ static struct resource cambria_pata_resources[] = {
+ 	{
+ 		.flags	= IORESOURCE_MEM
+@@ -287,6 +325,19 @@
+ #ifdef CONFIG_SENSORS_EEPROM
+ static void __init cambria_gw2350_setup(void)
+ {
++	*IXP4XX_EXP_CS2 = 0xbfff0003;
++	set_irq_type(IRQ_IXP4XX_GPIO3, IRQT_BOTHEDGE);
++	cambria_optional_uart_data[0].mapbase	= IXP4XX_EXP_BUS_BASE(2);
++	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(2), 0x0fff);
++	cambria_optional_uart_data[0].irq		= IRQ_IXP4XX_GPIO3;
++
++	*IXP4XX_EXP_CS3 = 0xbfff0003;
++	set_irq_type(IRQ_IXP4XX_GPIO4, IRQT_BOTHEDGE);
++	cambria_optional_uart_data[1].mapbase	= IXP4XX_EXP_BUS_BASE(3);
++	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(3), 0x0fff);
++	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
++
++	platform_device_register(&cambria_optional_uart);
+ 	platform_device_register(&cambria_npec_device);
+ 	platform_device_register(&cambria_npea_device);
+ 
+@@ -298,6 +349,22 @@
+ 
+ static void __init cambria_gw2358_setup(void)
+ {
++	*IXP4XX_EXP_CS3 = 0xbfff0003;
++	set_irq_type(IRQ_IXP4XX_GPIO3, IRQT_BOTHEDGE);
++	cambria_optional_uart_data[0].mapbase	= 0x53FC0000;
++	cambria_optional_uart_data[0].membase	= (void __iomem *)ioremap(0x53FC0000, 0x0fff);
++	cambria_optional_uart_data[0].irq		= IRQ_IXP4XX_GPIO3;
++
++	*IXP4XX_EXP_CS3 = 0xbfff0003;
++	set_irq_type(IRQ_IXP4XX_GPIO4, IRQT_BOTHEDGE);
++	cambria_optional_uart_data[1].mapbase	= 0x53F80000;
++	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53F80000, 0x0fff);
++	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
++
++	platform_device_register(&cambria_optional_uart);
++
++	cambria_npec_data.phy = 2;
++	cambria_npea_data.phy = 1;
+ 	platform_device_register(&cambria_npec_device);
+ 	platform_device_register(&cambria_npea_device);
+ 
diff --git a/target/linux/ixp4xx/patches-2.6.25/192-cambria_gpio_device.patch b/target/linux/ixp4xx/patches-2.6.25/192-cambria_gpio_device.patch
new file mode 100644
index 0000000000..c79a03fa4c
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.25/192-cambria_gpio_device.patch
@@ -0,0 +1,47 @@
+--- a/arch/arm/mach-ixp4xx/cambria-setup.c
++++ b/arch/arm/mach-ixp4xx/cambria-setup.c
+@@ -214,6 +214,21 @@
+ 	.dev.platform_data = &cambria_gpio_leds_data,
+ };
+ 
++static struct resource cambria_gpio_resources[] = {
++	{
++		.name = "gpio",
++		.flags  = 0,
++	},
++};
++
++static struct platform_device cambria_gpio = {
++	.name     = "GPIODEV",
++	.id     = -1,
++	.num_resources    = ARRAY_SIZE(cambria_gpio_resources),
++	.resource   = cambria_gpio_resources,
++};
++
++
+ 
+ static struct latch_led cambria_latch_leds[] = {
+ 	{
+@@ -337,6 +352,11 @@
+ 	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(IXP4XX_EXP_BUS_BASE(3), 0x0fff);
+ 	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
+ 
++	cambria_gpio_resources[0].start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) |\
++																		(1 << 5) | (1 << 8) | (1 << 9) | (1 << 12);
++	cambria_gpio_resources[0].end = cambria_gpio_resources[0].start;
++
++	platform_device_register(&cambria_gpio);
+ 	platform_device_register(&cambria_optional_uart);
+ 	platform_device_register(&cambria_npec_device);
+ 	platform_device_register(&cambria_npea_device);
+@@ -361,6 +381,10 @@
+ 	cambria_optional_uart_data[1].membase	= (void __iomem *)ioremap(0x53F80000, 0x0fff);
+ 	cambria_optional_uart_data[1].irq		= IRQ_IXP4XX_GPIO4;
+ 
++	cambria_gpio_resources[0].start = (1 << 14);
++	cambria_gpio_resources[0].end = cambria_gpio_resources[0].start;
++
++	platform_device_register(&cambria_gpio);
+ 	platform_device_register(&cambria_optional_uart);
+ 
+ 	cambria_npec_data.phy = 2;
diff --git a/target/linux/ixp4xx/patches-2.6.25/312-ixp4xx_pata_optimization.patch b/target/linux/ixp4xx/patches-2.6.25/312-ixp4xx_pata_optimization.patch
new file mode 100644
index 0000000000..86a1cea9e2
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.25/312-ixp4xx_pata_optimization.patch
@@ -0,0 +1,137 @@
+--- a/drivers/ata/pata_ixp4xx_cf.c
++++ b/drivers/ata/pata_ixp4xx_cf.c
+@@ -24,17 +24,58 @@
+ #include <scsi/scsi_host.h>
+ 
+ #define DRV_NAME	"pata_ixp4xx_cf"
+-#define DRV_VERSION	"0.2"
++#define DRV_VERSION	"0.3"
+ 
+ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
+ {
+ 	struct ata_device *dev;
++	struct ixp4xx_pata_data *data = link->ap->host->dev->platform_data;
++	unsigned int pio_mask;
+ 
+ 	ata_link_for_each_dev(dev, link) {
++    if (dev->id[ATA_ID_FIELD_VALID] & (1 << 1)){
++      pio_mask = dev->id[ATA_ID_PIO_MODES] & 0x03;
++      if (pio_mask & (1 << 1)){
++        pio_mask = 4;
++      }else{
++        pio_mask = 3;
++      }
++    }else{
++      pio_mask = (dev->id[ATA_ID_OLD_PIO_MODES] >> 8);
++    }
++		switch (pio_mask){
++			case 0:
++				ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
++				dev->pio_mode = XFER_PIO_0;
++				dev->xfer_mode = XFER_PIO_0;
++				*data->cs0_cfg = 0x8a473c03;
++			break;
++			case 1:
++				ata_dev_printk(dev, KERN_INFO, "configured for PIO1\n");
++				dev->pio_mode = XFER_PIO_1;
++				dev->xfer_mode = XFER_PIO_1;
++				*data->cs0_cfg = 0x86433c03;
++			break;
++			case 2:
++				ata_dev_printk(dev, KERN_INFO, "configured for PIO2\n");
++				dev->pio_mode = XFER_PIO_2;
++				dev->xfer_mode = XFER_PIO_2;
++				*data->cs0_cfg = 0x82413c03;
++			break;
++			case 3:
++				ata_dev_printk(dev, KERN_INFO, "configured for PIO3\n");
++				dev->pio_mode = XFER_PIO_3;
++				dev->xfer_mode = XFER_PIO_3;
++				*data->cs0_cfg = 0x80823c03;
++			break;
++			case 4:
++				ata_dev_printk(dev, KERN_INFO, "configured for PIO4\n");
++				dev->pio_mode = XFER_PIO_4;
++				dev->xfer_mode = XFER_PIO_4;
++				*data->cs0_cfg = 0x80403c03;
++			break;
++		}
+ 		if (ata_dev_enabled(dev)) {
+-			ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
+-			dev->pio_mode = XFER_PIO_0;
+-			dev->xfer_mode = XFER_PIO_0;
+ 			dev->xfer_shift = ATA_SHIFT_PIO;
+ 			dev->flags |= ATA_DFLAG_PIO;
+ 		}
+@@ -48,6 +89,7 @@
+ 	unsigned int i;
+ 	unsigned int words = buflen >> 1;
+ 	u16 *buf16 = (u16 *) buf;
++	unsigned int pio_mask;
+ 	struct ata_port *ap = dev->link->ap;
+ 	void __iomem *mmio = ap->ioaddr.data_addr;
+ 	struct ixp4xx_pata_data *data = ap->host->dev->platform_data;
+@@ -55,8 +97,34 @@
+ 	/* set the expansion bus in 16bit mode and restore
+ 	 * 8 bit mode after the transaction.
+ 	 */
+-	*data->cs0_cfg &= ~(0x01);
+-	udelay(100);
++	if (dev->id[ATA_ID_FIELD_VALID] & (1 << 1)){
++		pio_mask = dev->id[ATA_ID_PIO_MODES] & 0x03;
++		if (pio_mask & (1 << 1)){
++			pio_mask = 4;
++		}else{
++			pio_mask = 3;
++		}
++	}else{
++		pio_mask = (dev->id[ATA_ID_OLD_PIO_MODES] >> 8);
++	}
++	switch (pio_mask){
++		case 0:
++			*data->cs0_cfg = 0xa9643c42;
++		break;
++		case 1:
++			*data->cs0_cfg = 0x85033c42;
++		break;
++		case 2:
++			*data->cs0_cfg = 0x80b23c42;
++		break;
++		case 3:
++			*data->cs0_cfg = 0x80823c42;
++		break;
++		case 4:
++			*data->cs0_cfg = 0x80403c42;
++		break;
++	}
++	udelay(5);
+ 
+ 	/* Transfer multiple of 2 bytes */
+ 	if (rw == READ)
+@@ -81,8 +149,24 @@
+ 		words++;
+ 	}
+ 
+-	udelay(100);
+-	*data->cs0_cfg |= 0x01;
++	udelay(5);
++	switch (pio_mask){
++		case 0:
++			*data->cs0_cfg = 0x8a473c03;
++		break;
++		case 1:
++			*data->cs0_cfg = 0x86433c03;
++		break;
++		case 2:
++			*data->cs0_cfg = 0x82413c03;
++		break;
++		case 3:
++			*data->cs0_cfg = 0x80823c03;
++		break;
++		case 4:
++			*data->cs0_cfg = 0x80403c03;
++		break;
++	}
+ 
+ 	return words << 1;
+ }