X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/f52d66ff00b24111f87c274d3d7085ef2e1d27b1..2f1c45bdcc57903707be778634cbb2cfe14e7183:/target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch diff --git a/target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch b/target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch index 997cc980f..82a2c9405 100644 --- a/target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch +++ b/target/linux/brcm63xx-2.6/patches/040-bcm963xx_flashmap.patch @@ -1,170 +1,31 @@ -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 2006-08-30 13:03:16.000000000 +0200 -@@ -0,0 +1,135 @@ -+/* -+ * $Id$ -+ * Copyright (C) 2006 Florian Fainelli -+ * Copyright (C) $Date$ $Author$ -+ * -+ * 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. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -+ */ -+ -+/* This is the BCM963xx flash map driver, in its actual state it only supports BCM96348 devices -+ * this driver is able to manage both bootloader we found on these boards : CFE and RedBoot -+ * -+ * RedBoot : -+ * - this bootloader allows us to parse partitions and therefore deduce the MTD partition table -+ * -+ * CFE : -+ * - we have to use a "physically mapped flash" defined bellow -+ * -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#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); -+static struct mtd_partition *parsed_parts; -+ -+static void __exit bcm963xx_mtd_cleanup(void); -+ -+static struct mtd_info *bcm963xx_mtd_info; -+ -+static struct map_info bcm963xx_map = { -+ .name = "bcm963xx", -+ .size = WINDOW_SIZE, -+ .bankwidth = BUSWIDTH, -+ .phys = WINDOW_ADDR, -+}; -+ -+static struct mtd_partition bcm963xx_parts[] = { -+ { name: "bootloader", size: 0, offset: 0, mask_flags: MTD_WRITEABLE }, -+ { name: "rootfs", size: 0, offset: 0}, -+ { 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); -+ bcm963xx_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); -+ -+ if (!bcm963xx_map.virt) { -+ printk("bcm963xx: Failed to ioremap\n"); -+ return -EIO; -+ } -+ -+ simple_map_init(&bcm963xx_map); -+ -+ bcm963xx_mtd_info = do_map_probe("cfi_probe", &bcm963xx_map); -+ -+ if (bcm963xx_mtd_info) { -+ bcm963xx_mtd_info->owner = THIS_MODULE; -+ -+ 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; -+ } -+ } -+#endif -+ add_mtd_partitions(bcm963xx_mtd_info, parsed_parts, parsed_nr_parts); -+ -+ return 0; -+ } -+ } -+ iounmap(bcm963xx_map.virt); -+ return -ENXIO; -+} -+ -+static void __exit bcm963xx_mtd_cleanup(void) -+{ -+ if (bcm963xx_mtd_info) { -+ del_mtd_partitions(bcm963xx_mtd_info); -+ map_destroy(bcm963xx_mtd_info); -+ } -+ -+ if (bcm963xx_map.virt) { -+ iounmap(bcm963xx_map.virt); -+ bcm963xx_map.virt = 0; -+ } -+} -+ -+module_init(bcm963xx_mtd_init); -+module_exit(bcm963xx_mtd_cleanup); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Florian Fainelli "); -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 2006-08-30 13:03:06.000000000 +0200 +diff -urN linux-2.6.19/drivers/mtd/maps/Kconfig linux-2.6.19.new/drivers/mtd/maps/Kconfig +--- linux-2.6.19/drivers/mtd/maps/Kconfig 2006-11-29 22:57:37.000000000 +0100 ++++ linux-2.6.19.new/drivers/mtd/maps/Kconfig 2006-12-18 17:21:07.000000000 +0100 @@ -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'. +config MTD_BCM963XX + tristate "BCM963xx Flash device" -+ depends on MIPS && MIPS_BRCM ++ depends on MIPS && BCM963XX + help + Flash memory access on BCM963xx boards. Currently only works with -+ RedBoot, CFE support coming soon. ++ RedBoot and CFE. + config MTD_DILNETPC tristate "CFI Flash device mapped on DIL/Net PC" 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 2006-08-30 13:03:06.000000000 +0200 -@@ -71,3 +71,4 @@ +diff -urN linux-2.6.19/drivers/mtd/maps/Makefile linux-2.6.19.new/drivers/mtd/maps/Makefile +--- linux-2.6.19/drivers/mtd/maps/Makefile 2006-11-29 22:57:37.000000000 +0100 ++++ linux-2.6.19.new/drivers/mtd/maps/Makefile 2006-12-18 17:21:07.000000000 +0100 +@@ -70,3 +70,4 @@ obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o obj-$(CONFIG_MTD_MTX1) += mtx-1_flash.o obj-$(CONFIG_MTD_TQM834x) += tqm834x.o +obj-$(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 2006-08-30 13:03:06.000000000 +0200 +diff -urN linux-2.6.19/drivers/mtd/redboot.c linux-2.6.19.new/drivers/mtd/redboot.c +--- linux-2.6.19/drivers/mtd/redboot.c 2006-12-18 17:09:14.000000000 +0100 ++++ linux-2.6.19.new/drivers/mtd/redboot.c 2006-12-18 17:14:26.000000000 +0100 @@ -39,7 +39,7 @@ return 1; } @@ -174,7 +35,7 @@ diff -urN linux-2.6.17/drivers/mtd/redboot.c linux-2.6.17-brcm63xx/drivers/mtd/r struct mtd_partition **pparts, unsigned long fis_origin) { -@@ -120,11 +120,19 @@ +@@ -132,6 +132,14 @@ goto out; } @@ -189,24 +50,13 @@ diff -urN linux-2.6.17/drivers/mtd/redboot.c linux-2.6.17-brcm63xx/drivers/mtd/r for (i = 0; i < numslots; i++) { struct fis_list *new_fl, **prev; - if (buf[i].name[0] == 0xff) -- continue; -+ break; - if (!redboot_checksum(&buf[i])) - break; - -@@ -135,11 +143,10 @@ - goto out; - } +@@ -154,9 +162,8 @@ new_fl->img = &buf[i]; -- if (fis_origin) { -- buf[i].flash_base -= fis_origin; + if (fis_origin) { + buf[i].flash_base -= fis_origin; - } else { - buf[i].flash_base &= master->size-1; -- } -+ if (fis_origin) { -+ buf[i].flash_base -= fis_origin; -+ } + } + buf[i].flash_base &= (master->size << 1) - 1; /* I'm sure the JFFS2 code has done me permanent damage.