-diff -urN linux-2.6.16.7/drivers/mtd/maps/bcm963xx.c linux-2.6.16.7-brcm63xx/drivers/mtd/maps/bcm963xx.c
---- linux-2.6.16.7/drivers/mtd/maps/bcm963xx.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.16.7-brcm63xx/drivers/mtd/maps/bcm963xx.c 2006-07-07 22:00:36.000000000 +0200
-@@ -0,0 +1,106 @@
-+/*
-+ * A simple flash mapping code for BCM963xx board flash memory
-+ * It is simple because it only treats all the flash memory as ROM
-+ * It is used with chips/map_rom.c
-+ *
-+ * Song Wang (songw@broadcom.com)
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/types.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <asm/io.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/mtd/map.h>
-+#include <linux/config.h>
-+
-+#include <board.h>
-+#include <bcmTag.h>
-+#define VERSION "1.0"
-+
-+extern PFILE_TAG kerSysImageTagGet(void);
-+
-+static struct mtd_info *mymtd;
-+
-+static map_word brcm_physmap_read16(struct map_info *map, unsigned long ofs)
-+{
-+ map_word val;
-+
-+ val.x[0] = __raw_readw(map->map_priv_1 + ofs);
-+
-+ return val;
-+}
-+
-+static void brcm_physmap_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-+{
-+ memcpy_fromio(to, map->map_priv_1 + from, len);
-+}
-+
-+static struct map_info brcm_physmap_map = {
-+ .name = "Physically mapped flash",
-+ .bankwidth = 2,
-+ .read = brcm_physmap_read16,
-+ .copy_from = brcm_physmap_copy_from
-+};
-+
-+static int __init init_brcm_physmap(void)
-+{
-+ PFILE_TAG pTag = NULL;
-+ u_int32_t rootfs_addr, kernel_addr;
-+ FLASH_ADDR_INFO info;
-+
-+ printk("bcm963xx_mtd driver v%s\n", VERSION);
-+ kerSysFlashAddrInfoGet( &info );
-+
-+ /* Read the flash memory map from flash memory. */
-+ if (!(pTag = kerSysImageTagGet())) {
-+ printk("Failed to read image tag from flash\n");
-+ return -EIO;
-+ }
-+
-+ rootfs_addr = (u_int32_t) simple_strtoul(pTag->rootfsAddress, NULL, 10);
-+ kernel_addr = (u_int32_t) simple_strtoul(pTag->kernelAddress, NULL, 10);
-+
-+ brcm_physmap_map.size = kernel_addr - rootfs_addr;
-+ brcm_physmap_map.map_priv_1 = (unsigned long)rootfs_addr;
-+
-+ if (!brcm_physmap_map.map_priv_1) {
-+ printk("Wrong rootfs starting address\n");
-+ return -EIO;
-+ }
-+
-+ if (brcm_physmap_map.size <= 0) {
-+ printk("Wrong rootfs size\n");
-+ return -EIO;
-+ }
-+
-+ mymtd = do_map_probe("map_rom", &brcm_physmap_map);
-+ if (mymtd) {
-+ mymtd->owner = THIS_MODULE;
-+ add_mtd_device(mymtd);
-+
-+ return 0;
-+ }
-+
-+ return -ENXIO;
-+}
-+
-+static void __exit cleanup_brcm_physmap(void)
-+{
-+ if (mymtd) {
-+ del_mtd_device(mymtd);
-+ map_destroy(mymtd);
-+ }
-+ if (brcm_physmap_map.map_priv_1) {
-+ brcm_physmap_map.map_priv_1 = 0;
-+ }
-+}
-+
-+module_init(init_brcm_physmap);
-+module_exit(cleanup_brcm_physmap);
-+
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Song Wang songw@broadcom.com");
-+MODULE_DESCRIPTION("Configurable MTD map driver for read-only root file system");
-diff -urN linux-2.6.16.7/drivers/mtd/maps/Kconfig linux-2.6.16.7-brcm63xx/drivers/mtd/maps/Kconfig
---- linux-2.6.16.7/drivers/mtd/maps/Kconfig 2006-04-17 23:53:25.000000000 +0200
-+++ linux-2.6.16.7-brcm63xx/drivers/mtd/maps/Kconfig 2006-07-07 22:02:13.000000000 +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
-+ help
-+ This driver seems to detect and provide a valid flash map to the system
-+ of course, it needs checking and testing.
++ tristate "BCM963xx Flash device"
++ depends on MIPS && BCM963XX
++ help
++ Flash memory access on BCM963xx boards. Currently only works with
++ 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-2.6.16.7/drivers/mtd/maps/Makefile linux-2.6.16.7-brcm63xx/drivers/mtd/maps/Makefile
---- linux-2.6.16.7/drivers/mtd/maps/Makefile 2006-04-17 23:53:25.000000000 +0200
-+++ linux-2.6.16.7-brcm63xx/drivers/mtd/maps/Makefile 2006-07-07 22:01:29.000000000 +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.o
++obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o
+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;
+ }
+
+-static int parse_redboot_partitions(struct mtd_info *master,
++int parse_redboot_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ unsigned long fis_origin)
+ {
+@@ -132,6 +132,14 @@
+ goto out;
+ }
+
++ if (!fis_origin) {
++ for (i = 0; i < numslots; i++) {
++ if (!strncmp(buf[i].name, "RedBoot", 8)) {
++ fis_origin = (buf[i].flash_base & (master->size << 1) - 1);
++ }
++ }
++ }
++
+ for (i = 0; i < numslots; i++) {
+ struct fis_list *new_fl, **prev;
+
+@@ -154,9 +162,8 @@
+ new_fl->img = &buf[i];
+ if (fis_origin) {
+ buf[i].flash_base -= fis_origin;
+- } else {
+- buf[i].flash_base &= master->size-1;
+ }
++ buf[i].flash_base &= (master->size << 1) - 1;
+
+ /* I'm sure the JFFS2 code has done me permanent damage.
+ * I now think the following is _normal_
projects / openwrt.git / blobdiff