--- zzzz-none-000/linux-2.4.17/drivers/mtd/maps/solutionengine.c 2001-10-04 22:14:59.000000000 +0000 +++ sangam-fb-322/linux-2.4.17/drivers/mtd/maps/solutionengine.c 2004-11-24 13:22:49.000000000 +0000 @@ -1,5 +1,5 @@ /* - * $Id: solutionengine.c,v 1.3 2001/10/02 15:05:14 dwmw2 Exp $ + * $Id: solutionengine.c,v 1.1.1.1 2003/06/23 22:18:28 jharrell Exp $ * * Flash and EPROM on Hitachi Solution Engine and similar boards. * @@ -15,6 +15,7 @@ #include #include #include +#include extern int parse_redboot_partitions(struct mtd_info *master, struct mtd_partition **pparts); @@ -57,20 +58,38 @@ write32: soleng_write32, }; +#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, + }, + /* All else is writable (e.g. JFFS) */ + { + name: "Flash FS", + offset: MTDPART_OFS_NXTBLK, + size: MTDPART_SIZ_FULL, + } +}; +#endif /* CONFIG_MTD_SUPERH_RESERVE */ + static int __init init_soleng_maps(void) { - int nr_parts; + int nr_parts = 0; /* First probe at offset 0 */ soleng_flash_map.map_priv_1 = P2SEGADDR(0); - soleng_eprom_map.map_priv_1 = P1SEGADDR(0x400000); + soleng_eprom_map.map_priv_1 = P1SEGADDR(0x01000000); - printk(KERN_NOTICE "Probing for flash chips at 0x000000:\n"); + 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 0x400000:\n"); - soleng_flash_map.map_priv_1 = P2SEGADDR(0x400000); + 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); flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map); if (!flash_mtd) { @@ -90,9 +109,23 @@ 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) { + printk(KERN_NOTICE "Using configured partition at 0x%08x.\n", + CONFIG_MTD_SUPERH_RESERVE); + parsed_parts = superh_se_partitions; + nr_parts = sizeof(superh_se_partitions)/sizeof(*parsed_parts); + } +#endif /* CONFIG_MTD_SUPERH_RESERVE */ - if (nr_parts) + if (nr_parts > 0) add_mtd_partitions(flash_mtd, parsed_parts, nr_parts); else add_mtd_device(flash_mtd);