openwrt-owl/target/linux/ixp4xx/patches-2.6.24/300-avila_fetch_mac.patch

155 lines
3.6 KiB
Diff

Index: linux-2.6.24.2/arch/arm/mach-ixp4xx/avila-setup.c
===================================================================
--- linux-2.6.24.2.orig/arch/arm/mach-ixp4xx/avila-setup.c
+++ linux-2.6.24.2/arch/arm/mach-ixp4xx/avila-setup.c
@@ -14,10 +14,18 @@
#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/slab.h>
+#ifdef CONFIG_SENSORS_EEPROM
+# include <linux/i2c.h>
+# include <linux/eeprom.h>
+#endif
+
#include <linux/i2c-gpio.h>
#include <asm/types.h>
@@ -177,6 +185,118 @@ static struct platform_device *avila_eth
&avila_eth[1]
};
+#ifdef CONFIG_SENSORS_EEPROM
+struct avila_board_info {
+ unsigned char *model;
+ int npes_used;
+ int npeb_phy;
+ int npec_phy;
+};
+
+static struct avila_board_info avila_boards[] = {
+ {
+ .model = "GW2342",
+ .npes_used = 2,
+ .npeb_phy = 0,
+ .npec_phy = 1,
+ }, {
+ .model = "GW2347",
+ .npes_used = 1,
+ .npeb_phy = 1,
+ }, {
+ .model = "GW2348-2",
+ .npes_used = 2,
+ .npeb_phy = 0,
+ .npec_phy = 1,
+ }, {
+ .model = "GW2348-4",
+ .npes_used = 2,
+ .npeb_phy = 0,
+ .npec_phy = 1,
+ }, {
+ .model = "GW2353",
+ .npes_used = 1,
+ .npeb_phy = 1,
+ }, {
+ .model = "GW2355",
+ .npes_used = 2,
+ .npeb_phy = -1,
+ .npec_phy = 1,
+ }, {
+ .model = "GW2357",
+ .npes_used = 1,
+ .npeb_phy = 1,
+ }
+};
+
+static struct avila_board_info *avila_find_board_info(char *model)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
+ struct avila_board_info *info = &avila_boards[i];
+ if (strncmp(info->model, model, strlen(info->model)) == 0)
+ return info;
+ }
+
+ return NULL;
+}
+
+struct avila_eeprom_header {
+ unsigned char mac0[ETH_ALEN];
+ unsigned char mac1[ETH_ALEN];
+ unsigned char res0[4];
+ unsigned char magic[2];
+ unsigned char config[14];
+ unsigned char model[16];
+};
+
+static int avila_eeprom_notify(struct notifier_block *self,
+ unsigned long event, void *t)
+{
+ struct eeprom_data *ee = t;
+ struct avila_board_info *info = NULL;
+ struct avila_eeprom_header hdr;
+
+ /* The eeprom is at address 0x51 */
+ if (event != EEPROM_REGISTER || ee->client.addr != 0x51)
+ return NOTIFY_DONE;
+
+ ee->attr->read(&ee->client.dev.kobj, ee->attr, (char *)&hdr,
+ 0, sizeof(hdr));
+
+ if (hdr.magic[0] != 'G' || hdr.magic[1] != 'W')
+ return NOTIFY_DONE;
+
+ memcpy(&avila_plat_eth[0].hwaddr, hdr.mac0, ETH_ALEN);
+ memcpy(&avila_plat_eth[1].hwaddr, hdr.mac1, ETH_ALEN);
+
+ info = avila_find_board_info(hdr.model);
+
+ if (info) {
+ printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
+ info->model);
+ avila_plat_eth[0].phy = info->npeb_phy;
+ avila_plat_eth[1].phy = info->npec_phy;
+ platform_add_devices(avila_eth_devices,
+ info->npes_used);
+ } else {
+ printk(KERN_INFO "Unknown/missing Avila model number"
+ " -- defaults will be used\n");
+ platform_add_devices(avila_eth_devices,
+ ARRAY_SIZE(avila_eth_devices));
+ }
+
+ unregister_eeprom_notifier(self);
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block avila_eeprom_notifier = {
+ .notifier_call = avila_eeprom_notify
+};
+#endif
+
static void __init avila_init(void)
{
ixp4xx_sys_init();
@@ -201,7 +321,11 @@ static void __init avila_init(void)
platform_device_register(&avila_pata);
+#ifdef CONFIG_SENSORS_EEPROM
+ register_eeprom_notifier(&avila_eeprom_notifier);
+#else
platform_add_devices(avila_eth_devices, ARRAY_SIZE(avila_eth_devices));
+#endif
}
MACHINE_START(AVILA, "Gateworks Avila Network Platform")