diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-s3c2440/mach-osiris.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c index 15811601f03..89f4c9c5777 100644 --- a/arch/arm/mach-s3c2440/mach-osiris.c +++ b/arch/arm/mach-s3c2440/mach-osiris.c @@ -166,6 +166,29 @@ static struct mtd_partition osiris_default_nand_part[] = { } }; +static struct mtd_partition osiris_default_nand_part_large[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_128K, + .offset = 0, + }, + [1] = { + .name = "/boot", + .size = SZ_4M - SZ_128K, + .offset = SZ_128K, + }, + [2] = { + .name = "user1", + .offset = SZ_4M, + .size = SZ_32M - SZ_4M, + }, + [3] = { + .name = "user2", + .offset = SZ_32M, + .size = MTDPART_SIZ_FULL, + } +}; + /* the Osiris has 3 selectable slots for nand-flash, the two * on-board chip areas, as well as the external slot. * @@ -322,14 +345,23 @@ static void __init osiris_map_io(void) s3c24xx_init_clocks(0); s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs)); + /* check for the newer revision boards with large page nand */ + + if ((__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK) >= 4) { + printk(KERN_INFO "OSIRIS-B detected (revision %d)\n", + __raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK); + osiris_nand_sets[0].partitions = osiris_default_nand_part_large; + osiris_nand_sets[0].nr_partitions = ARRAY_SIZE(osiris_default_nand_part_large); + } else { + /* write-protect line to the NAND */ + s3c2410_gpio_setpin(S3C2410_GPA0, 1); + } + /* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */ local_irq_save(flags); __raw_writel(__raw_readl(S3C2410_BWSCON) | S3C2410_BWSCON_ST1 | S3C2410_BWSCON_ST2 | S3C2410_BWSCON_ST3 | S3C2410_BWSCON_ST4 | S3C2410_BWSCON_ST5, S3C2410_BWSCON); local_irq_restore(flags); - - /* write-protect line to the NAND */ - s3c2410_gpio_setpin(S3C2410_GPA0, 1); } static void __init osiris_init(void) |