diff options
| author | Zhao Chenhui <b35336@freescale.com> | 2011-01-28 17:58:37 +0800 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-04-05 10:18:39 -0500 |
| commit | c1fc2d4fc282fb59f42c82fd0b5e8255497093b5 (patch) | |
| tree | c1117ef47d0a2562ac89dffab4629b055ae6101a /arch | |
| parent | 4db2fa7f9446d0f2fe8db3d62184b1212fe22707 (diff) | |
powerpc/85xx: don't init SDRAM when CONFIG_SYS_RAMBOOT
Signed-off-by: Zhao Chenhui <b35336@freescale.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_ddr_sdram.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 49ea6cc7523..f5b39c067c7 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -299,6 +299,16 @@ void mpc85xx_reginfo(void) /* Common ddr init for non-corenet fsl 85xx platforms */ #ifndef CONFIG_FSL_CORENET +#if defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SYS_INIT_L2_ADDR) +phys_size_t initdram(int board_type) +{ +#if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD) + return fsl_ddr_sdram_size(); +#else + return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; +#endif +} +#else /* CONFIG_SYS_RAMBOOT */ phys_size_t initdram(int board_type) { phys_size_t dram_size = 0; @@ -348,6 +358,7 @@ phys_size_t initdram(int board_type) puts("DDR: "); return dram_size; } +#endif /* CONFIG_SYS_RAMBOOT */ #endif #if CONFIG_POST & CONFIG_SYS_POST_MEMORY diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h b/arch/powerpc/include/asm/fsl_ddr_sdram.h index 99dddb4f004..127a84039c3 100644 --- a/arch/powerpc/include/asm/fsl_ddr_sdram.h +++ b/arch/powerpc/include/asm/fsl_ddr_sdram.h @@ -271,6 +271,7 @@ typedef struct memctl_options_s { } memctl_options_t; extern phys_size_t fsl_ddr_sdram(void); +extern phys_size_t fsl_ddr_sdram_size(void); extern int fsl_use_spd(void); extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, unsigned int ctrl_num); |