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Add early support for CFE mapping 

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4719 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Florian Fainelli 2006-08-30 11:16:06 +00:00
parent 21d65d6266
commit 79dea1681c
1 changed files with 36 additions and 17 deletions
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53
target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch
View File

@ -1,7 +1,7 @@
diff -urN linux-2.6.17/drivers/mtd/maps/bcm963xx-flash.c linux-2.6.17-brcm63xx/drivers/mtd/maps/bcm963xx-flash.c
--- linux-2.6.17/drivers/mtd/maps/bcm963xx-flash.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.17-brcm63xx/drivers/mtd/maps/bcm963xx-flash.c 2006-08-03 16:29:52.000000000 +0200
@@ -0,0 +1,116 @@
+++ linux-2.6.17-brcm63xx/drivers/mtd/maps/bcm963xx-flash.c 2006-08-30 13:03:16.000000000 +0200
@@ -0,0 +1,135 @@
+/*
+ * $Id$
+ * Copyright (C) 2006 Florian Fainelli
@ -38,10 +38,12 @@ diff -urN linux-2.6.17/drivers/mtd/maps/bcm963xx-flash.c linux-2.6.17-brcm63xx/d
+#include <linux/mtd/map.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <board.h>
+
+#define WINDOW_ADDR 0x1e400000 /* Real address of the flash */
+#define WINDOW_SIZE 0x800000 /* Size of flash */
+#define BUSWIDTH 2 /* Buswidth */
+#define EXTENDED_SIZE 0xBE400000 /* Extended flash addresse */
+
+extern int boot_loader_type; /* For RedBoot / CFE detection */
+extern int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long fis_origin);
@ -64,6 +66,8 @@ diff -urN linux-2.6.17/drivers/mtd/maps/bcm963xx-flash.c linux-2.6.17-brcm63xx/d
+ { name: "jffs2", size: 5 * 0x10000, offset: 57*0x10000}
+};
+
+static int bcm963xx_parts_size = sizeof(bcm963xx_parts) / sizeof(bcm963xx_parts[0]);
+
+static int __init bcm963xx_mtd_init(void)
+{
+ printk("bcm963xx: 0x%08x at 0x%08x\n", WINDOW_SIZE, WINDOW_ADDR);
@ -80,22 +84,37 @@ diff -urN linux-2.6.17/drivers/mtd/maps/bcm963xx-flash.c linux-2.6.17-brcm63xx/d
+
+ if (bcm963xx_mtd_info) {
+ bcm963xx_mtd_info->owner = THIS_MODULE;
+ int parsed_nr_parts = 0;
+ char * part_type;
+
+ if (boot_loader_type == BOOT_CFE)
+ {
+ add_mtd_device(bcm963xx_mtd_info);
+ add_mtd_partitions(bcm963xx_mtd_info, bcm963xx_parts, bcm963xx_parts_size);
+ return 0;
+ }
+ else
+ {
+ int parsed_nr_parts = 0;
+ char * part_type;
+
+ if (bcm963xx_mtd_info->size > 0x00400000) {
+ printk("Support for extended flash memory size : 0x%08X ; ONLY 64MBIT SUPPORT\n", bcm963xx_mtd_info->size);
+ bcm963xx_map.virt = (unsigned long)(EXTENDED_SIZE);
+ }
+
+#ifdef CONFIG_MTD_REDBOOT_PARTS
+ if (parsed_nr_parts == 0) {
+ int ret = parse_redboot_partitions(bcm963xx_mtd_info, &parsed_parts, 0);
+ if (ret > 0) {
+ part_type = "RedBoot";
+ parsed_nr_parts = ret;
+ if (parsed_nr_parts == 0) {
+ int ret = parse_redboot_partitions(bcm963xx_mtd_info, &parsed_parts, 0);
+ if (ret > 0) {
+ part_type = "RedBoot";
+ parsed_nr_parts = ret;
+ }
+ }
+ }
+#endif
+ add_mtd_partitions(bcm963xx_mtd_info, parsed_parts, parsed_nr_parts);
+ add_mtd_partitions(bcm963xx_mtd_info, parsed_parts, parsed_nr_parts);
+
+ return 0;
+ }
+ return 0;
+ }
+ }
+ iounmap(bcm963xx_map.virt);
+ return -ENXIO;
+}
@ -117,10 +136,10 @@ diff -urN linux-2.6.17/drivers/mtd/maps/bcm963xx-flash.c linux-2.6.17-brcm63xx/d
+module_exit(bcm963xx_mtd_cleanup);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Florian Fainelli");
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
diff -urN linux-2.6.17/drivers/mtd/maps/Kconfig linux-2.6.17-brcm63xx/drivers/mtd/maps/Kconfig
--- linux-2.6.17/drivers/mtd/maps/Kconfig 2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/drivers/mtd/maps/Kconfig 2006-08-03 16:32:05.000000000 +0200
+++ linux-2.6.17-brcm63xx/drivers/mtd/maps/Kconfig 2006-08-30 13:03:06.000000000 +0200
@@ -224,6 +224,13 @@
Flash memory access on 4G Systems MTX-1 Board. If you have one of
these boards and would like to use the flash chips on it, say 'Y'.
@ -137,7 +156,7 @@ diff -urN linux-2.6.17/drivers/mtd/maps/Kconfig linux-2.6.17-brcm63xx/drivers/mt
depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT
diff -urN linux-2.6.17/drivers/mtd/maps/Makefile linux-2.6.17-brcm63xx/drivers/mtd/maps/Makefile
--- linux-2.6.17/drivers/mtd/maps/Makefile 2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/drivers/mtd/maps/Makefile 2006-08-03 16:32:27.000000000 +0200
+++ linux-2.6.17-brcm63xx/drivers/mtd/maps/Makefile 2006-08-30 13:03:06.000000000 +0200
@@ -71,3 +71,4 @@
obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o
obj-$(CONFIG_MTD_MTX1) += mtx-1_flash.o
@ -145,7 +164,7 @@ diff -urN linux-2.6.17/drivers/mtd/maps/Makefile linux-2.6.17-brcm63xx/drivers/m
+obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o
diff -urN linux-2.6.17/drivers/mtd/redboot.c linux-2.6.17-brcm63xx/drivers/mtd/redboot.c
--- linux-2.6.17/drivers/mtd/redboot.c 2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-brcm63xx/drivers/mtd/redboot.c 2006-08-03 16:32:39.000000000 +0200
+++ linux-2.6.17-brcm63xx/drivers/mtd/redboot.c 2006-08-30 13:03:06.000000000 +0200
@@ -39,7 +39,7 @@
return 1;
}