diff options
author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-10-03 19:21:06 +0900 |
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committer | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-10-05 14:10:09 +0900 |
commit | 5894ca007d217a2fa845facfbb62c6512396a145 (patch) | |
tree | 872971789f6bf682ff9fd9b0a0199ccd8f59febe /arch/arm/cpu/armv7/uniphier/dram_init.c | |
parent | 7f368553fcada0b38e8a096fcba4fcd64e0d2020 (diff) |
ARM: UniPhier: add UniPhier SoC support code
These are used by Panasonic UniPhier SoC family.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/dram_init.c')
-rw-r--r-- | arch/arm/cpu/armv7/uniphier/dram_init.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/dram_init.c b/arch/arm/cpu/armv7/uniphier/dram_init.c new file mode 100644 index 0000000000..5465a0e6bf --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/dram_init.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2012-2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/led.h> + +int umc_init(void); +void enable_dpll_ssc(void); + +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + +#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD) + led_write(B, 4, , ); + + { + int res; + + res = umc_init(); + if (res < 0) + return res; + } + led_write(B, 5, , ); + + enable_dpll_ssc(); +#endif + + led_write(B, 6, , ); + + return 0; +} |