diff options
Diffstat (limited to 'target/brcm/patches/nvram.patch')
-rw-r--r-- | target/brcm/patches/nvram.patch | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/target/brcm/patches/nvram.patch b/target/brcm/patches/nvram.patch deleted file mode 100644 index aef378634..000000000 --- a/target/brcm/patches/nvram.patch +++ /dev/null @@ -1,223 +0,0 @@ ---- a/arch/mips/bcm47xx/Makefile -+++ b/arch/mips/bcm47xx/Makefile -@@ -3,4 +3,4 @@ - # under Linux. - # - --obj-y := gpio.o irq.o prom.o serial.o setup.o time.o wgt634u.o -+obj-y := gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o ---- /dev/null -+++ b/arch/mips/bcm47xx/nvram.c -@@ -0,0 +1,98 @@ -+/* -+ * BCM947xx nvram variable access -+ * -+ * Copyright 2005, Broadcom Corporation -+ * Copyright 2006, Felix Fietkau <nbd@openwrt.org> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/ssb/ssb.h> -+#include <linux/kernel.h> -+#include <linux/string.h> -+#include <linux/interrupt.h> -+#include <linux/spinlock.h> -+#include <linux/slab.h> -+#include <asm/byteorder.h> -+#include <asm/bootinfo.h> -+#include <asm/addrspace.h> -+#include <asm/io.h> -+#include <asm/uaccess.h> -+#include <asm/mach-bcm47xx/nvram.h> -+#include <asm/mach-bcm47xx/bcm47xx.h> -+ -+static char nvram_buf[NVRAM_SPACE]; -+ -+/* Probe for NVRAM header */ -+static void __init early_nvram_init(void) -+{ -+ struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore; -+ struct nvram_header *header; -+ int i; -+ u32 base, lim, off; -+ u32 *src, *dst; -+ -+ base = mcore->flash_window; -+ lim = mcore->flash_window_size; -+ -+ off = 0x20000; -+ while (off <= lim) { -+ /* Windowed flash access */ -+ header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE); -+ if (header->magic == NVRAM_HEADER) -+ goto found; -+ off <<= 1; -+ } -+ -+ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */ -+ header = (struct nvram_header *) KSEG1ADDR(base + 4096); -+ if (header->magic == NVRAM_HEADER) -+ goto found; -+ -+ header = (struct nvram_header *) KSEG1ADDR(base + 1024); -+ if (header->magic == NVRAM_HEADER) -+ goto found; -+ -+ return; -+ -+found: -+ src = (u32 *) header; -+ dst = (u32 *) nvram_buf; -+ for (i = 0; i < sizeof(struct nvram_header); i += 4) -+ *dst++ = *src++; -+ for (; i < header->len && i < NVRAM_SPACE; i += 4) -+ *dst++ = le32_to_cpu(*src++); -+} -+ -+char *nvram_get(const char *name) -+{ -+ char *var, *value, *end, *eq; -+ -+ if (!name) -+ return NULL; -+ -+ if (!nvram_buf[0]) -+ early_nvram_init(); -+ -+ /* Look for name=value and return value */ -+ var = &nvram_buf[sizeof(struct nvram_header)]; -+ end = nvram_buf + sizeof(nvram_buf) - 2; -+ end[0] = end[1] = '\0'; -+ for (; *var; var = value + strlen(value) + 1) { -+ if (!(eq = strchr(var, '='))) -+ break; -+ value = eq + 1; -+ if ((eq - var) == strlen(name) && -+ strncmp(var, name, (eq - var)) == 0) -+ return value; -+ } -+ -+ return NULL; -+} -+ -+EXPORT_SYMBOL(nvram_get); ---- a/arch/mips/bcm47xx/setup.c -+++ b/arch/mips/bcm47xx/setup.c -@@ -33,6 +33,7 @@ - #include <asm/time.h> - #include <bcm47xx.h> - #include <asm/fw/cfe/cfe_api.h> -+#include <asm/mach-bcm47xx/nvram.h> - - struct ssb_bus ssb_bcm47xx; - EXPORT_SYMBOL(ssb_bcm47xx); -@@ -77,6 +78,7 @@ static int bcm47xx_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv) - { - char buf[100]; -+ char *s; - - /* Fill boardinfo structure */ - memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo)); -@@ -92,18 +94,47 @@ static int bcm47xx_get_invariants(struct ssb_bus *bus, - memset(&(iv->sprom), 0, sizeof(struct ssb_sprom)); - iv->sprom.revision = 3; - -- if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0) -+ if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0) { - str2eaddr(buf, iv->sprom.et0mac); -- if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0) -+ } else { -+ if ((s = nvram_get("et0macaddr"))) -+ str2eaddr(s, iv->sprom.et0mac); -+ } -+ -+ if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0) { - str2eaddr(buf, iv->sprom.et1mac); -- if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0) -- iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10); -- if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0) -- iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10); -- if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0) -+ } else { -+ if ((s = nvram_get("et1macaddr"))) -+ str2eaddr(s, iv->sprom.et1mac); -+ } -+ -+ if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0) { -+ iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 0); -+ } else { -+ if ((s = nvram_get("et0phyaddr"))) -+ iv->sprom.et0phyaddr = simple_strtoul(s, NULL, 0); -+ } -+ -+ if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0) { -+ iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 0); -+ } else { -+ if ((s = nvram_get("et1phyaddr"))) -+ iv->sprom.et1phyaddr = simple_strtoul(s, NULL, 0); -+ } -+ -+ if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0) { - iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10); -- if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0) -+ } else { -+ if ((s = nvram_get("et0mdcport"))) -+ iv->sprom.et0mdcport = simple_strtoul(s, NULL, 10); -+ } -+ -+ if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0) { - iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10); -+ } else { -+ if ((s = nvram_get("et1mdcport"))) -+ iv->sprom.et1mdcport = simple_strtoul(s, NULL, 10); -+ } - - return 0; - } ---- /dev/null -+++ b/arch/mips/include/asm/mach-bcm47xx/nvram.h -@@ -0,0 +1,37 @@ -+/* -+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#ifndef __NVRAM_H -+#define __NVRAM_H -+ -+struct nvram_header { -+ u32 magic; -+ u32 len; -+ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */ -+ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */ -+ u32 config_ncdl; /* ncdl values for memc */ -+}; -+ -+struct nvram_tuple { -+ char *name; -+ char *value; -+ struct nvram_tuple *next; -+}; -+ -+#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */ -+#define NVRAM_VERSION 1 -+#define NVRAM_HEADER_SIZE 20 -+#define NVRAM_SPACE 0x8000 -+ -+#define NVRAM_MAX_VALUE_LEN 255 -+#define NVRAM_MAX_PARAM_LEN 64 -+ -+char *nvram_get(const char *name); -+ -+#endif |