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openwrtv4/target/linux/ixp4xx/patches-3.3/300-avila_support.patch
Felix Fietkau 22b86fec7c ixp4xx: patch cleanup 
roll all avila patches into a single patch (no code changes)

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

SVN-Revision: 33646
2012-10-07 23:23:43 +00:00

346 lines
8.1 KiB
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--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -14,9 +14,15 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/if_ether.h>
+#include <linux/socket.h>
+#include <linux/netdevice.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/leds.h>
#include <linux/i2c-gpio.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -30,6 +36,20 @@
#define AVILA_SDA_PIN 7
#define AVILA_SCL_PIN 6
+/* User LEDs */
+#define AVILA_GW23XX_LED_USER_GPIO 3
+#define AVILA_GW23X7_LED_USER_GPIO 4
+
+/* gpio mask used by platform device */
+#define AVILA_GPIO_MASK (1 << 1) | (1 << 3) | (1 << 5) | (1 << 7) | (1 << 9)
+
+struct avila_board_info {
+ unsigned char *model;
+ void (*setup)(void);
+};
+
+static struct avila_board_info *avila_info __initdata;
+
static struct flash_platform_data avila_flash_data = {
.map_name = "cfi_probe",
.width = 2,
@@ -133,16 +153,277 @@ static struct platform_device avila_pata
.resource = avila_pata_resources,
};
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info avila_npeb_data = {
+ .phy = 0,
+ .rxq = 3,
+ .txreadyq = 20,
+};
+
+static struct eth_plat_info avila_npec_data = {
+ .phy = 1,
+ .rxq = 4,
+ .txreadyq = 21,
+};
+
+static struct platform_device avila_npeb_device = {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEB,
+ .dev.platform_data = &avila_npeb_data,
+};
+
+static struct platform_device avila_npec_device = {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEC,
+ .dev.platform_data = &avila_npec_data,
+};
+
+static struct gpio_led avila_gpio_leds[] = {
+ {
+ .name = "user", /* green led */
+ .gpio = AVILA_GW23XX_LED_USER_GPIO,
+ .active_low = 1,
+ }
+};
+
+static struct gpio_led_platform_data avila_gpio_leds_data = {
+ .num_leds = 1,
+ .leds = avila_gpio_leds,
+};
+
+static struct platform_device avila_gpio_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = &avila_gpio_leds_data,
+};
+
+static struct latch_led avila_latch_leds[] = {
+ {
+ .name = "led0", /* green led */
+ .bit = 0,
+ },
+ {
+ .name = "led1", /* green led */
+ .bit = 1,
+ },
+ {
+ .name = "led2", /* green led */
+ .bit = 2,
+ },
+ {
+ .name = "led3", /* green led */
+ .bit = 3,
+ },
+ {
+ .name = "led4", /* green led */
+ .bit = 4,
+ },
+ {
+ .name = "led5", /* green led */
+ .bit = 5,
+ },
+ {
+ .name = "led6", /* green led */
+ .bit = 6,
+ },
+ {
+ .name = "led7", /* green led */
+ .bit = 7,
+ }
+};
+
+static struct latch_led_platform_data avila_latch_leds_data = {
+ .num_leds = 8,
+ .leds = avila_latch_leds,
+ .mem = 0x51000000,
+};
+
+static struct platform_device avila_latch_leds_device = {
+ .name = "leds-latch",
+ .id = -1,
+ .dev.platform_data = &avila_latch_leds_data,
+};
+
static struct platform_device *avila_devices[] __initdata = {
&avila_i2c_gpio,
&avila_flash,
&avila_uart
};
+static void __init avila_gw23xx_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_npec_device);
+
+ platform_device_register(&avila_gpio_leds_device);
+}
+
+static void __init avila_gw2342_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_npec_device);
+
+ platform_device_register(&avila_gpio_leds_device);
+}
+
+static void __init avila_gw2345_setup(void)
+{
+ avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
+ avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
+ platform_device_register(&avila_npeb_device);
+
+ avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
+ platform_device_register(&avila_npec_device);
+
+ platform_device_register(&avila_gpio_leds_device);
+}
+
+static void __init avila_gw2347_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
+
+ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
+ platform_device_register(&avila_gpio_leds_device);
+}
+
+static void __init avila_gw2348_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_npec_device);
+
+ platform_device_register(&avila_gpio_leds_device);
+}
+
+static void __init avila_gw2353_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_gpio_leds_device);
+}
+
+static void __init avila_gw2355_setup(void)
+{
+ avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
+ avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
+ platform_device_register(&avila_npeb_device);
+
+ avila_npec_data.phy = 16;
+ platform_device_register(&avila_npec_device);
+
+ platform_device_register(&avila_gpio_leds_device);
+
+ *IXP4XX_EXP_CS4 |= 0xbfff3c03;
+ avila_latch_leds[0].name = "RXD";
+ avila_latch_leds[1].name = "TXD";
+ avila_latch_leds[2].name = "POL";
+ avila_latch_leds[3].name = "LNK";
+ avila_latch_leds[4].name = "ERR";
+ avila_latch_leds_data.num_leds = 5;
+ avila_latch_leds_data.mem = 0x54000000;
+ platform_device_register(&avila_latch_leds_device);
+}
+
+static void __init avila_gw2357_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
+
+ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
+ platform_device_register(&avila_gpio_leds_device);
+
+ *IXP4XX_EXP_CS1 |= 0xbfff3c03;
+ platform_device_register(&avila_latch_leds_device);
+}
+
+static struct avila_board_info avila_boards[] __initdata = {
+ {
+ .model = "GW2342",
+ .setup = avila_gw2342_setup,
+ }, {
+ .model = "GW2345",
+ .setup = avila_gw2345_setup,
+ }, {
+ .model = "GW2347",
+ .setup = avila_gw2347_setup,
+ }, {
+ .model = "GW2348",
+ .setup = avila_gw2348_setup,
+ }, {
+ .model = "GW2353",
+ .setup = avila_gw2353_setup,
+ }, {
+ .model = "GW2355",
+ .setup = avila_gw2355_setup,
+ }, {
+ .model = "GW2357",
+ .setup = avila_gw2357_setup,
+ }
+};
+
+static struct avila_board_info * __init avila_find_board_info(char *model)
+{
+ int i;
+ model[6] = '\0';
+
+ for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
+ struct avila_board_info *info = &avila_boards[i];
+ if (strcmp(info->model, model) == 0)
+ return info;
+ }
+
+ return NULL;
+}
+
+static struct memory_accessor *at24_mem_acc;
+
+static void at24_setup(struct memory_accessor *mem_acc, void *context)
+{
+ char mac_addr[ETH_ALEN];
+ char model[7];
+
+ at24_mem_acc = mem_acc;
+
+ /* Read MAC addresses */
+ if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
+ memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN);
+ }
+ if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
+ memcpy(&avila_npec_data.hwaddr, mac_addr, ETH_ALEN);
+ }
+
+ /* Read the first 6 bytes of the model number */
+ if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
+ avila_info = avila_find_board_info(model);
+ }
+
+}
+
+static struct at24_platform_data avila_eeprom_info = {
+ .byte_len = 1024,
+ .page_size = 16,
+ .flags = AT24_FLAG_READONLY,
+ .setup = at24_setup,
+};
+
+static struct i2c_board_info __initdata avila_i2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("ds1672", 0x68),
+ },
+ {
+ I2C_BOARD_INFO("ad7418", 0x28),
+ },
+ {
+ I2C_BOARD_INFO("24c08", 0x51),
+ .platform_data = &avila_eeprom_info
+ },
+};
+
static void __init avila_init(void)
{
ixp4xx_sys_init();
+ /*
+ * These devices are present on all Avila models and don't need any
+ * model specific setup.
+ */
avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
avila_flash_resource.end =
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
@@ -160,7 +441,28 @@ static void __init avila_init(void)
platform_device_register(&avila_pata);
+ i2c_register_board_info(0, avila_i2c_board_info,
+ ARRAY_SIZE(avila_i2c_board_info));
+}
+
+static int __init avila_model_setup(void)
+{
+ if (!machine_is_avila())
+ return 0;
+
+ if (avila_info) {
+ printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
+ avila_info->model);
+ avila_info->setup();
+ } else {
+ printk(KERN_INFO "Unknown/missing Avila model number"
+ " -- defaults will be used\n");
+ avila_gw23xx_setup();
+ }
+
+ return 0;
}
+late_initcall(avila_model_setup);
MACHINE_START(AVILA, "Gateworks Avila Network Platform")
/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
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