static int umc_init_sub(int freq, int size_ch0, int size_ch1)
{
void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE;
void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0);
void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1);
void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0);
void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1);
void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0);
void __iomem *phy0_1 = (void __iomem *)DDRPHY_BASE(0, 1);
void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0);
void __iomem *phy1_1 = (void __iomem *)DDRPHY_BASE(1, 1);
umc_dram_init_start(dramcont0);
umc_dram_init_start(dramcont1);
umc_dram_init_poll(dramcont0);
umc_dram_init_poll(dramcont1);
writel(0x00000101, dramcont0 + UMC_DIOCTLA);
ddrphy_init(phy0_0, freq, size_ch0);
ddrphy_prepare_training(phy0_0, 0);
ddrphy_training(phy0_0);
writel(0x00000103, dramcont0 + UMC_DIOCTLA);
ddrphy_init(phy0_1, freq, size_ch0);
ddrphy_prepare_training(phy0_1, 1);
ddrphy_training(phy0_1);
writel(0x00000101, dramcont1 + UMC_DIOCTLA);
ddrphy_init(phy1_0, freq, size_ch1);
ddrphy_prepare_training(phy1_0, 0);
ddrphy_training(phy1_0);
writel(0x00000103, dramcont1 + UMC_DIOCTLA);
ddrphy_init(phy1_1, freq, size_ch1);
ddrphy_prepare_training(phy1_1, 1);
ddrphy_training(phy1_1);
umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq);
umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq);
umc_start_ssif(ssif_base);
return 0;
}
static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
int freq, unsigned long size, unsigned int width,
bool ddr3plus)
{
void __iomem *phy_base = dc_base + 0x00001000;
int nr_phy = width / 16;
int phy, ret;
writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET);
while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST)
cpu_relax();
for (phy = 0; phy < nr_phy; phy++) {
writel(0x00000100 | ((1 << (phy + 1)) - 1),
dc_base + UMC_DIOCTLA);
ret = uniphier_ld4_ddrphy_init(phy_base, freq, ddr3plus);
if (ret)
return ret;
ddrphy_prepare_training(phy_base, phy);
ret = ddrphy_training(phy_base);
if (ret)
return ret;
phy_base += 0x00001000;
}
return umc_dramcont_init(dc_base, ca_base, freq, size / (width / 16),
ddr3plus);
}
static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
int freq, unsigned long size, bool ddr3plus, int ch)
{
void __iomem *phy_base = dc_base + 0x00001000;
int ret;
writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET);
while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST)
cpu_relax();
writel(0x00000101, dc_base + UMC_DIOCTLA);
ret = uniphier_ld4_ddrphy_init(phy_base, freq, ddr3plus);
if (ret)
return ret;
ddrphy_prepare_training(phy_base, umc_get_rank(ch));
ret = ddrphy_training(phy_base);
if (ret)
return ret;
return umc_dramcont_init(dc_base, ca_base, freq, size, ddr3plus);
}
