diff options
| author | Tom Rini <trini@konsulko.com> | 2015-07-23 15:46:05 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-07-23 15:46:05 (GMT) |
| commit | 413978d118bb7d7b0a8488d97d802f2899cd81ce (patch) | |
| tree | a0a42850eb5a9a13f2afa837b23582e23b4018a1 /arch/arm/mach-uniphier/ph1-sld3/memconf.c | |
| parent | 3c9cc70d7153da442575112d9a2643eecd17d534 (diff) | |
| parent | 62102bee1ff32e7eda8b31558b0b646df74fecfd (diff) | |
| download | u-boot-413978d118bb7d7b0a8488d97d802f2899cd81ce.tar.xz | |
Merge git://git.denx.de/u-boot-uniphier
Diffstat (limited to 'arch/arm/mach-uniphier/ph1-sld3/memconf.c')
| -rw-r--r-- | arch/arm/mach-uniphier/ph1-sld3/memconf.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-sld3/memconf.c b/arch/arm/mach-uniphier/ph1-sld3/memconf.c new file mode 100644 index 0000000..553a9e3 --- /dev/null +++ b/arch/arm/mach-uniphier/ph1-sld3/memconf.c @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <linux/types.h> +#include <linux/sizes.h> +#include <mach/sg-regs.h> + +static inline u32 sg_memconf_val_ch2(unsigned long size, int num) +{ + int size_mb = size / num; + u32 ret; + + switch (size_mb) { + case SZ_64M: + ret = SG_MEMCONF_CH2_SZ_64M; + break; + case SZ_128M: + ret = SG_MEMCONF_CH2_SZ_128M; + break; + case SZ_256M: + ret = SG_MEMCONF_CH2_SZ_256M; + break; + case SZ_512M: + ret = SG_MEMCONF_CH2_SZ_512M; + break; + default: + BUG(); + break; + } + + switch (num) { + case 1: + ret |= SG_MEMCONF_CH2_NUM_1; + break; + case 2: + ret |= SG_MEMCONF_CH2_NUM_2; + break; + default: + BUG(); + break; + } + return ret; +} + +u32 memconf_additional_val(void) +{ + return sg_memconf_val_ch2(CONFIG_SDRAM2_SIZE, CONFIG_DDR_NUM_CH2); +} |