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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/ph1-pro4/sg_init.c | |
parent | 7f368553fcada0b38e8a096fcba4fcd64e0d2020 (diff) | |
download | u-boot-imx-5894ca007d217a2fa845facfbb62c6512396a145.zip u-boot-imx-5894ca007d217a2fa845facfbb62c6512396a145.tar.gz u-boot-imx-5894ca007d217a2fa845facfbb62c6512396a145.tar.bz2 |
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/ph1-pro4/sg_init.c')
-rw-r--r-- | arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c new file mode 100644 index 0000000..b4dd799 --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sg_init.c @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/sg-regs.h> + +void sg_init(void) +{ + u32 tmp; + + /* Set DDR size */ + tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0); + tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1); +#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE + tmp |= SG_MEMCONF_SPARSEMEM; +#endif + writel(tmp, SG_MEMCONF); + + /* Input ports must be enabled deasserting reset of cores */ + tmp = readl(SG_IECTRL); + tmp |= 0x1; + writel(tmp, SG_IECTRL); +} |