diff options
| author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-01-21 15:27:48 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-01-23 00:52:16 +0900 |
| commit | 0ba924a4ecfe056ab637bfa207fc26cd0248e9ac (patch) | |
| tree | e6d21e04a345fff3dd56af9da79f0828cc018df4 /arch | |
| parent | 367a0d51dbb18983f047ca43b9233a121e39b024 (diff) | |
ARM: UniPhier: add SG_MEMCONF macros for DDR channel 2
PH1-sLD3, PH1-LD6b have DDR channel 2.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-uniphier/sg-regs.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-uniphier/sg-regs.h b/arch/arm/include/asm/arch-uniphier/sg-regs.h index 9b468d44fd..4ae67c8adb 100644 --- a/arch/arm/include/asm/arch-uniphier/sg-regs.h +++ b/arch/arm/include/asm/arch-uniphier/sg-regs.h @@ -41,6 +41,13 @@ #define SG_MEMCONF_CH1_NUM_1 (0x1 << 9) #define SG_MEMCONF_CH1_NUM_2 (0x0 << 9) +#define SG_MEMCONF_CH2_SZ_64M ((0x0 << 26) | (0x01 << 16)) +#define SG_MEMCONF_CH2_SZ_128M ((0x0 << 26) | (0x02 << 16)) +#define SG_MEMCONF_CH2_SZ_256M ((0x0 << 26) | (0x03 << 16)) +#define SG_MEMCONF_CH2_SZ_512M ((0x1 << 26) | (0x00 << 16)) +#define SG_MEMCONF_CH2_NUM_1 (0x1 << 24) +#define SG_MEMCONF_CH2_NUM_2 (0x0 << 24) + #define SG_MEMCONF_SPARSEMEM (0x1 << 4) /* Pin Control */ @@ -189,6 +196,43 @@ static inline u32 sg_memconf_val_ch1(unsigned long size, int num) } return ret; } + +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; +} #endif /* __ASSEMBLY__ */ #endif /* ARCH_SG_REGS_H */ |