diff options
Diffstat (limited to 'linux-2.4.x/drivers/mtd/maps/solutionengine.c')
| -rw-r--r-- | linux-2.4.x/drivers/mtd/maps/solutionengine.c | 91 |
1 files changed, 36 insertions, 55 deletions
diff --git a/linux-2.4.x/drivers/mtd/maps/solutionengine.c b/linux-2.4.x/drivers/mtd/maps/solutionengine.c index 185a573..c53c2c3 100644 --- a/linux-2.4.x/drivers/mtd/maps/solutionengine.c +++ b/linux-2.4.x/drivers/mtd/maps/solutionengine.c @@ -1,5 +1,5 @@ /* - * $Id: solutionengine.c,v 1.4 2001/11/07 01:20:59 jsiegel Exp $ + * $Id: solutionengine.c,v 1.15 2005/11/07 11:14:28 gleixner Exp $ * * Flash and EPROM on Hitachi Solution Engine and similar boards. * @@ -11,31 +11,13 @@ #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/mtd/partitions.h> #include <linux/config.h> - - -extern int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts); - -__u32 soleng_read32(struct map_info *map, unsigned long ofs) -{ - return __raw_readl(map->map_priv_1 + ofs); -} - -void soleng_write32(struct map_info *map, __u32 d, unsigned long adr) -{ - __raw_writel(d, map->map_priv_1 + adr); - mb(); -} - -void soleng_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) -{ - memcpy_fromio(to, map->map_priv_1 + from, len); -} - +#include <linux/errno.h> static struct mtd_info *flash_mtd; static struct mtd_info *eprom_mtd; @@ -43,35 +25,33 @@ static struct mtd_info *eprom_mtd; static struct mtd_partition *parsed_parts; struct map_info soleng_eprom_map = { - name: "Solution Engine EPROM", - size: 0x400000, - buswidth: 4, - copy_from: soleng_copy_from, + .name = "Solution Engine EPROM", + .size = 0x400000, + .bankwidth = 4, }; struct map_info soleng_flash_map = { - name: "Solution Engine FLASH", - size: 0x400000, - buswidth: 4, - read32: soleng_read32, - copy_from: soleng_copy_from, - write32: soleng_write32, + .name = "Solution Engine FLASH", + .size = 0x400000, + .bankwidth = 4, }; +static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; + #ifdef CONFIG_MTD_SUPERH_RESERVE static struct mtd_partition superh_se_partitions[] = { /* Reserved for boot code, read-only */ { - name: "flash_boot", - offset: 0x00000000, - size: CONFIG_MTD_SUPERH_RESERVE, - mask_flags: MTD_WRITEABLE, + .name = "flash_boot", + .offset = 0x00000000, + .size = CONFIG_MTD_SUPERH_RESERVE, + .mask_flags = MTD_WRITEABLE, }, /* All else is writable (e.g. JFFS) */ { - name: "Flash FS", - offset: MTDPART_OFS_NXTBLK, - size: MTDPART_SIZ_FULL, + .name = "Flash FS", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, } }; #endif /* CONFIG_MTD_SUPERH_RESERVE */ @@ -81,16 +61,22 @@ static int __init init_soleng_maps(void) int nr_parts = 0; /* First probe at offset 0 */ - soleng_flash_map.map_priv_1 = P2SEGADDR(0); - soleng_eprom_map.map_priv_1 = P1SEGADDR(0x01000000); + soleng_flash_map.phys = 0; + soleng_flash_map.virt = (void __iomem *)P2SEGADDR(0); + soleng_eprom_map.phys = 0x01000000; + soleng_eprom_map.virt = (void __iomem *)P1SEGADDR(0x01000000); + simple_map_init(&soleng_eprom_map); + simple_map_init(&soleng_flash_map); printk(KERN_NOTICE "Probing for flash chips at 0x00000000:\n"); flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map); if (!flash_mtd) { /* Not there. Try swapping */ printk(KERN_NOTICE "Probing for flash chips at 0x01000000:\n"); - soleng_flash_map.map_priv_1 = P2SEGADDR(0x01000000); - soleng_eprom_map.map_priv_1 = P1SEGADDR(0); + soleng_flash_map.phys = 0x01000000; + soleng_flash_map.virt = P2SEGADDR(0x01000000); + soleng_eprom_map.phys = 0; + soleng_eprom_map.virt = P1SEGADDR(0); flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map); if (!flash_mtd) { /* Eep. */ @@ -99,25 +85,20 @@ static int __init init_soleng_maps(void) } } printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n", - soleng_flash_map.map_priv_1 & 0x1fffffff, - soleng_eprom_map.map_priv_1 & 0x1fffffff); - flash_mtd->module = THIS_MODULE; + soleng_flash_map.phys & 0x1fffffff, + soleng_eprom_map.phys & 0x1fffffff); + flash_mtd->owner = THIS_MODULE; eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map); if (eprom_mtd) { - eprom_mtd->module = THIS_MODULE; + eprom_mtd->owner = THIS_MODULE; add_mtd_device(eprom_mtd); } -#ifdef CONFIG_MTD_REDBOOT_PARTS - nr_parts = parse_redboot_partitions(flash_mtd, &parsed_parts); - if (nr_parts > 0) - printk(KERN_NOTICE "Found RedBoot partition table.\n"); - else if (nr_parts < 0) - printk(KERN_NOTICE "Error looking for RedBoot partitions.\n"); -#endif /* CONFIG_MTD_REDBOOT_PARTS */ -#if CONFIG_MTD_SUPERH_RESERVE - if (nr_parts == 0) { + nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_parts, 0); + +#ifdef CONFIG_MTD_SUPERH_RESERVE + if (nr_parts <= 0) { printk(KERN_NOTICE "Using configured partition at 0x%08x.\n", CONFIG_MTD_SUPERH_RESERVE); parsed_parts = superh_se_partitions; |