diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-02-26 14:21:40 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-02-29 03:50:16 +0900 |
| commit | 4021b4381d8d3c18a3d8732967eec3ec1624ab7b (patch) | |
| tree | 3ca41b965ea107ab54d29ed9a91c415bb7f1f0f5 /arch/arm/mach-uniphier/dram/umc-ph1-ld4.c | |
| parent | 3c963d48995ed4ca4e6d742de3d234cb0bcf699e (diff) | |
ARM: uniphier: add a field to specify DDR3+
Add a field to distinguish DDR3+ from (standard) DDR3. It also
allows to delete CONFIG_DDR_STANDARD (this is not a software
configuration, but a board attribute).
Default DDR3 spec for each SoC:
PH1-LD4, PH1-sLD8: DDR3+
Others: DDR3
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/arm/mach-uniphier/dram/umc-ph1-ld4.c')
| -rw-r--r-- | arch/arm/mach-uniphier/dram/umc-ph1-ld4.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c index 638aa11d0d..957a38fec4 100644 --- a/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c +++ b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c @@ -96,7 +96,7 @@ static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, writel(0x00000520, dramcont + UMC_DFICUPDCTLA); } -static int umc_init_sub(int freq, int size_ch0, int size_ch1) +static int umc_init_sub(int freq, int size_ch0, int size_ch1, bool ddr3plus) { void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); @@ -113,14 +113,14 @@ static int umc_init_sub(int freq, int size_ch0, int size_ch1) writel(0x00000101, dramcont0 + UMC_DIOCTLA); - ph1_ld4_ddrphy_init(phy0_0, freq, size_ch0); + ph1_ld4_ddrphy_init(phy0_0, freq, size_ch0, ddr3plus); ddrphy_prepare_training(phy0_0, 0); ddrphy_training(phy0_0); writel(0x00000101, dramcont1 + UMC_DIOCTLA); - ph1_ld4_ddrphy_init(phy1_0, freq, size_ch1); + ph1_ld4_ddrphy_init(phy1_0, freq, size_ch1, ddr3plus); ddrphy_prepare_training(phy1_0, 1); ddrphy_training(phy1_0); @@ -141,7 +141,8 @@ int ph1_ld4_umc_init(const struct uniphier_board_data *bd) bd->dram_ch[0].width == 16 && bd->dram_ch[1].width == 16) { return umc_init_sub(bd->dram_freq, bd->dram_ch[0].size / SZ_128M, - bd->dram_ch[1].size / SZ_128M); + bd->dram_ch[1].size / SZ_128M, + bd->dram_ddr3plus); } else { pr_err("Unsupported DDR configuration\n"); return -EINVAL; |