mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-05 05:20:37 +02:00
243 lines
5.7 KiB
Diff
243 lines
5.7 KiB
Diff
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--- a/arch/arm/mach-ixp4xx/avila-setup.c
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+++ b/arch/arm/mach-ixp4xx/avila-setup.c
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@@ -14,9 +14,14 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/device.h>
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+#include <linux/if_ether.h>
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+#include <linux/socket.h>
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+#include <linux/netdevice.h>
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#include <linux/serial.h>
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#include <linux/tty.h>
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#include <linux/serial_8250.h>
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+#include <linux/i2c.h>
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+#include <linux/i2c/at24.h>
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#include <linux/i2c-gpio.h>
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#include <asm/types.h>
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#include <asm/setup.h>
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@@ -30,6 +35,13 @@
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#define AVILA_SDA_PIN 7
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#define AVILA_SCL_PIN 6
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+struct avila_board_info {
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+ unsigned char *model;
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+ void (*setup)(void);
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+};
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+
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+static struct avila_board_info *avila_info __initdata;
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+
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static struct flash_platform_data avila_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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@@ -133,16 +145,181 @@ static struct platform_device avila_pata
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.resource = avila_pata_resources,
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};
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+/* Built-in 10/100 Ethernet MAC interfaces */
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+static struct eth_plat_info avila_npeb_data = {
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+ .phy = 0,
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+ .rxq = 3,
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+ .txreadyq = 20,
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+};
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+
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+static struct eth_plat_info avila_npec_data = {
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+ .phy = 1,
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+ .rxq = 4,
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+ .txreadyq = 21,
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+};
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+
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+static struct platform_device avila_npeb_device = {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEB,
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+ .dev.platform_data = &avila_npeb_data,
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+};
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+
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+static struct platform_device avila_npec_device = {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEC,
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+ .dev.platform_data = &avila_npec_data,
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+};
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+
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static struct platform_device *avila_devices[] __initdata = {
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&avila_i2c_gpio,
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&avila_flash,
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&avila_uart
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};
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+static void __init avila_gw23xx_setup(void)
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+{
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+ platform_device_register(&avila_npeb_device);
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+ platform_device_register(&avila_npec_device);
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+}
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+
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+static void __init avila_gw2342_setup(void)
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+{
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+ platform_device_register(&avila_npeb_device);
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+ platform_device_register(&avila_npec_device);
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+}
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+
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+static void __init avila_gw2345_setup(void)
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+{
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+ avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
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+ avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
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+ platform_device_register(&avila_npeb_device);
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+
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+ avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
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+ platform_device_register(&avila_npec_device);
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+}
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+
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+static void __init avila_gw2347_setup(void)
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+{
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+ platform_device_register(&avila_npeb_device);
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+}
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+
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+static void __init avila_gw2348_setup(void)
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+{
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+ platform_device_register(&avila_npeb_device);
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+ platform_device_register(&avila_npec_device);
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+}
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+
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+static void __init avila_gw2353_setup(void)
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+{
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+ platform_device_register(&avila_npeb_device);
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+}
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+
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+static void __init avila_gw2355_setup(void)
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+{
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+ avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
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+ avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
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+ platform_device_register(&avila_npeb_device);
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+
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+ avila_npec_data.phy = 16;
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+ platform_device_register(&avila_npec_device);
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+}
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+
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+static void __init avila_gw2357_setup(void)
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+{
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+ platform_device_register(&avila_npeb_device);
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+}
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+
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+static struct avila_board_info avila_boards[] __initdata = {
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+ {
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+ .model = "GW2342",
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+ .setup = avila_gw2342_setup,
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+ }, {
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+ .model = "GW2345",
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+ .setup = avila_gw2345_setup,
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+ }, {
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+ .model = "GW2347",
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+ .setup = avila_gw2347_setup,
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+ }, {
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+ .model = "GW2348",
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+ .setup = avila_gw2348_setup,
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+ }, {
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+ .model = "GW2353",
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+ .setup = avila_gw2353_setup,
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+ }, {
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+ .model = "GW2355",
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+ .setup = avila_gw2355_setup,
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+ }, {
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+ .model = "GW2357",
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+ .setup = avila_gw2357_setup,
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+ }
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+};
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+
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+static struct avila_board_info * __init avila_find_board_info(char *model)
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+{
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+ int i;
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+ model[6] = '\0';
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+
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+ for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
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+ struct avila_board_info *info = &avila_boards[i];
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+ if (strcmp(info->model, model) == 0)
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+ return info;
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+ }
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+
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+ return NULL;
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+}
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+
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+static struct memory_accessor *at24_mem_acc;
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+
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+static void at24_setup(struct memory_accessor *mem_acc, void *context)
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+{
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+ char mac_addr[ETH_ALEN];
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+ char model[7];
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+
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+ at24_mem_acc = mem_acc;
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+
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+ /* Read MAC addresses */
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+ if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
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+ memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN);
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+ }
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+ if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
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+ memcpy(&avila_npec_data.hwaddr, mac_addr, ETH_ALEN);
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+ }
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+
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+ /* Read the first 6 bytes of the model number */
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+ if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
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+ avila_info = avila_find_board_info(model);
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+ }
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+
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+}
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+
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+static struct at24_platform_data avila_eeprom_info = {
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+ .byte_len = 1024,
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+ .page_size = 16,
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+ .flags = AT24_FLAG_READONLY,
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+ .setup = at24_setup,
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+};
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+
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+static struct i2c_board_info __initdata avila_i2c_board_info[] = {
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+ {
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+ I2C_BOARD_INFO("ds1672", 0x68),
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+ },
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+ {
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+ I2C_BOARD_INFO("ad7418", 0x28),
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+ },
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+ {
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+ I2C_BOARD_INFO("24c08", 0x51),
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+ .platform_data = &avila_eeprom_info
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+ },
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+};
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+
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static void __init avila_init(void)
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{
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ixp4xx_sys_init();
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+ /*
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+ * These devices are present on all Avila models and don't need any
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+ * model specific setup.
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+ */
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avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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avila_flash_resource.end =
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IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
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@@ -160,7 +337,28 @@ static void __init avila_init(void)
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platform_device_register(&avila_pata);
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+ i2c_register_board_info(0, avila_i2c_board_info,
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+ ARRAY_SIZE(avila_i2c_board_info));
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+}
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+
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+static int __init avila_model_setup(void)
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+{
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+ if (!machine_is_avila())
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+ return 0;
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+
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+ if (avila_info) {
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+ printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
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+ avila_info->model);
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+ avila_info->setup();
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+ } else {
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+ printk(KERN_INFO "Unknown/missing Avila model number"
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+ " -- defaults will be used\n");
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+ avila_gw23xx_setup();
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+ }
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+
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+ return 0;
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}
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+late_initcall(avila_model_setup);
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MACHINE_START(AVILA, "Gateworks Avila Network Platform")
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/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
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