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migrate gateworks board support to the new at24 eeprom driver

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13450 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz
2008-11-30 18:12:21 +00:00
parent 3bedd206ff
commit ff53a4a17c
12 changed files with 375 additions and 467 deletions
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147
target/linux/ixp4xx/patches-2.6.27/300-avila_fetch_mac.patch
View File

@@ -1,6 +1,6 @@
--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -14,10 +14,18 @@
@@ -14,10 +14,16 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
@@ -11,21 +11,19 @@
#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.h>
+#include <linux/i2c/at24.h>
+
#include <linux/i2c-gpio.h>
#include <asm/types.h>
@@ -29,6 +37,13 @@
@@ -29,6 +35,13 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+struct avila_board_info {
+ unsigned char *model;
+ void (* setup)(void);
+ void (*setup)(void);
+};
+
+static struct avila_board_info *avila_info __initdata;
@@ -33,7 +31,38 @@
static struct flash_platform_data avila_flash_data = {
.map_name = "cfi_probe",
.width = 2,
@@ -163,10 +178,160 @@ static struct platform_device *avila_dev
@@ -132,16 +145,181 @@ 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 platform_device *avila_devices[] __initdata = {
&avila_i2c_gpio,
&avila_flash,
&avila_uart
};
@@ -43,7 +72,6 @@
+ platform_device_register(&avila_npec_device);
+}
+
+#ifdef CONFIG_SENSORS_EEPROM
+static void __init avila_gw2342_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
@@ -122,66 +150,57 @@
+
+ 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)
+ if (strcmp(info->model, 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 struct at24_iface *at24_if;
+
+static int at24_setup(struct at24_iface *iface, void *context)
+{
+ char mac_addr[ETH_ALEN];
+ char model[6];
+
+ at24_if = iface;
+
+ /* Read MAC addresses */
+ if (at24_if->read(at24_if, mac_addr, 0x0, 6) == 6) {
+ memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN);
+ }
+ if (at24_if->read(at24_if, 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_if->read(at24_if, model, 0x20, 6) == 6) {
+ avila_info = avila_find_board_info(model);
+ }
+
+ return 0;
+}
+
+static struct at24_platform_data avila_eeprom_info = {
+ .byte_len = 1024,
+ .page_size = 16,
+ .flags = AT24_FLAG_READONLY,
+ .setup = at24_setup,
+};
+
+static int __init avila_eeprom_notify(struct notifier_block *self,
+ unsigned long event, void *t)
+{
+ struct eeprom_data *ee = t;
+ struct avila_eeprom_header hdr;
+
+ if (avila_info)
+ return NOTIFY_DONE;
+
+ /* 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_npeb_data.hwaddr, hdr.mac0, ETH_ALEN);
+ memcpy(&avila_npec_data.hwaddr, hdr.mac1, ETH_ALEN);
+
+ avila_info = avila_find_board_info(hdr.model);
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block avila_eeprom_notifier __initdata = {
+ .notifier_call = avila_eeprom_notify
+static struct i2c_board_info __initdata avila_i2c_board_info[] = {
+/* {
+ I2C_BOARD_INFO("rtc-ds1672", 0x68),
+ },*/
+ {
+ I2C_BOARD_INFO("ad7418", 0x28),
+ },
+ {
+ I2C_BOARD_INFO("24c08", 0x51),
+ .platform_data = &avila_eeprom_info
+ },
+};
+
+static void __init avila_register_eeprom_notifier(void)
+{
+ register_eeprom_notifier(&avila_eeprom_notifier);
+}
+
+static void __init avila_unregister_eeprom_notifier(void)
+{
+ unregister_eeprom_notifier(&avila_eeprom_notifier);
+}
+#else /* CONFIG_SENSORS_EEPROM */
+static inline void avila_register_eeprom_notifier(void) {};
+static inline void avila_unregister_eeprom_notifier(void) {};
+#endif /* CONFIG_SENSORS_EEPROM */
+
static void __init avila_init(void)
{
@@ -194,13 +213,12 @@
avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
avila_flash_resource.end =
IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
@@ -184,9 +349,28 @@ static void __init avila_init(void)
@@ -159,7 +337,28 @@ static void __init avila_init(void)
platform_device_register(&avila_pata);
- platform_device_register(avila_npeb_device);
- platform_device_register(avila_npec_device);
+ avila_register_eeprom_notifier();
+ i2c_register_board_info(0, avila_i2c_board_info,
+ ARRAY_SIZE(avila_i2c_board_info));
+}
+
+static int __init avila_model_setup(void)
@@ -218,7 +236,6 @@
+ avila_gw23xx_setup();
+ }
+
+ avila_unregister_eeprom_notifier();
+ return 0;
}
+late_initcall(avila_model_setup);