diff options
Diffstat (limited to 'arch/ppc/syslib')
| -rw-r--r-- | arch/ppc/syslib/m8xx_setup.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/ppc/syslib/m8xx_setup.c b/arch/ppc/syslib/m8xx_setup.c index ff0282479a7..cdb73a23a53 100644 --- a/arch/ppc/syslib/m8xx_setup.c +++ b/arch/ppc/syslib/m8xx_setup.c @@ -34,6 +34,13 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> +#if defined(CONFIG_MTD) && defined(CONFIG_MTD_PHYSMAP) +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#endif + #include <asm/mmu.h> #include <asm/reg.h> #include <asm/residual.h> @@ -49,6 +56,34 @@ #include "ppc8xx_pic.h" +#ifdef CONFIG_MTD_PHYSMAP +#define MPC8xxADS_BANK_WIDTH 4 +#endif + +#define MPC8xxADS_U_BOOT_SIZE 0x80000 +#define MPC8xxADS_FREE_AREA_OFFSET MPC8xxADS_U_BOOT_SIZE + +#if defined(CONFIG_MTD_PARTITIONS) + /* + NOTE: bank width and interleave relative to the installed flash + should have been chosen within MTD_CFI_GEOMETRY options. + */ +static struct mtd_partition mpc8xxads_partitions[] = { + { + .name = "bootloader", + .size = MPC8xxADS_U_BOOT_SIZE, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "User FS", + .offset = MPC8xxADS_FREE_AREA_OFFSET + } +}; + +#define mpc8xxads_part_num (sizeof (mpc8xxads_partitions) / sizeof (mpc8xxads_partitions[0])) + +#endif + static int m8xx_set_rtc_time(unsigned long time); static unsigned long m8xx_get_rtc_time(void); void m8xx_calibrate_decr(void); @@ -71,6 +106,10 @@ board_init(void) void __init m8xx_setup_arch(void) { +#if defined(CONFIG_MTD) && defined(CONFIG_MTD_PHYSMAP) + bd_t *binfo = (bd_t *)__res; +#endif + /* Reset the Communication Processor Module. */ m8xx_cpm_reset(); @@ -106,6 +145,17 @@ m8xx_setup_arch(void) } #endif #endif + +#if defined (CONFIG_MPC86XADS) || defined (CONFIG_MPC885ADS) +#if defined(CONFIG_MTD_PHYSMAP) + physmap_configure(binfo->bi_flashstart, binfo->bi_flashsize, + MPC8xxADS_BANK_WIDTH, NULL); +#ifdef CONFIG_MTD_PARTITIONS + physmap_set_partitions(mpc8xxads_partitions, mpc8xxads_part_num); +#endif /* CONFIG_MTD_PARTITIONS */ +#endif /* CONFIG_MTD_PHYSMAP */ +#endif + board_init(); } |