73 lines
1.9 KiB
Diff
73 lines
1.9 KiB
Diff
## DP: maclist support for nslu2
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## DP: Patch author: John Bowler <jbowler@acm.org>
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## DP: Upstream status: not yet submitted - depends on maclist.patch
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#
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--- linux-2.6.15/arch/arm/mach-ixp4xx/nslu2-setup.c 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.15/arch/arm/mach-ixp4xx/nslu2-setup.c 1970-01-01 00:00:00.000000000 +0000
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@@ -16,11 +16,14 @@
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#include <linux/kernel.h>
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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+#include <linux/mtd/mtd.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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+#include <net/maclist.h>
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+
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static struct flash_platform_data nslu2_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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@@ -112,6 +115,37 @@ static void nslu2_power_off(void)
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gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
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}
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+/*
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+ * When the RedBoot partition is added the MAC address is read from
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+ * it.
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+ */
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+static void nslu2_flash_add(struct mtd_info *mtd) {
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+ if (strcmp(mtd->name, "RedBoot") == 0) {
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+ size_t retlen;
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+ u_char mac[6];
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+
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+ /* The MAC is at a known offset... */
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+ if (mtd->read(mtd, 0x3FFB0, 6, &retlen, mac) == 0 && retlen == 6) {
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+ printk(KERN_INFO "NSLU2 MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
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+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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+ maclist_add(mac);
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+ } else {
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+ printk(KERN_ERR "NSLU2 MAC: read failed\n");
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+ }
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+ }
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+}
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+
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+/*
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+ * Nothing to do on remove at present.
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+ */
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+static void nslu2_flash_remove(struct mtd_info *mtd) {
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+}
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+
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+static struct mtd_notifier nslu2_flash_notifier = {
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+ .add = nslu2_flash_add,
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+ .remove = nslu2_flash_remove,
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+};
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+
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static void __init nslu2_init(void)
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{
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/* The NSLU2 has a 33MHz crystal on board - 1.01% different
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@@ -119,6 +153,11 @@ static void __init nslu2_init(void)
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*/
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ixp4xx_set_board_tick_rate(66000000);
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+ /* The flash has an ethernet MAC embedded in it which we need,
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+ * that is all this notifier does.
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+ */
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+ register_mtd_user(&nslu2_flash_notifier);
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+
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ixp4xx_sys_init();
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pm_power_off = nslu2_power_off;
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