#include <asm/processor.h>
#include "../init.h"
+#include "ddrphy-regs.h"
#include "umc64-regs.h"
-#define CONFIG_DDR_FREQ 1866
+#define DDR_FREQ 1600
#define DRAM_CH_NR 2
+#define RANK_BLOCKS_TR 2
enum dram_freq {
DRAM_FREQ_1600M,
DRAM_SZ_NR,
};
-/* umc */
-static u32 umc_cmdctla[DRAM_FREQ_NR] = {0x060D0D20};
-static u32 umc_cmdctlb[DRAM_FREQ_NR] = {0x2D211C08};
-static u32 umc_cmdctlc[DRAM_FREQ_NR] = {0x00150C04};
-static u32 umc_cmdctle[DRAM_FREQ_NR] = {0x0078071D};
-static u32 umc_cmdctlf[DRAM_FREQ_NR] = {0x02000200};
-static u32 umc_cmdctlg[DRAM_FREQ_NR] = {0x08080808};
-
-static u32 umc_rdatactl_d0[DRAM_FREQ_NR] = {0x00000810};
-static u32 umc_rdatactl_d1[DRAM_FREQ_NR] = {0x00000810};
-static u32 umc_wdatactl_d0[DRAM_FREQ_NR] = {0x00000004};
-static u32 umc_wdatactl_d1[DRAM_FREQ_NR] = {0x00000004};
-static u32 umc_odtctl_d0[DRAM_FREQ_NR] = {0x02000002};
-static u32 umc_odtctl_d1[DRAM_FREQ_NR] = {0x02000002};
-static u32 umc_acssetb[DRAM_CH_NR] = {0x00000200, 0x00000203};
-static u32 umc_memconfch[DRAM_FREQ_NR] = {0x00023605};
+/* PHY */
+const int rof_pos_shift_pre[RANK_BLOCKS_TR][2] = { {0, 0}, {0, 0} };
+const int rof_neg_shift_pre[RANK_BLOCKS_TR][2] = { {0, 0}, {0, 0} };
+const int rof_pos_shift[RANK_BLOCKS_TR][2] = { {-35, -35}, {-35, -35} };
+const int rof_neg_shift[RANK_BLOCKS_TR][2] = { {-17, -17}, {-17, -17} };
+const int tof_shift[RANK_BLOCKS_TR][2] = { {-50, -50}, {-50, -50} };
+
+/* Register address */
+#define PHY_ZQ0CR1 0x00000184
+#define PHY_ZQ1CR1 0x00000194
+#define PHY_ZQ2CR1 0x000001A4
+#define PHY_DX0GCR 0x000001C0
+#define PHY_DX0GTR 0x000001F0
+#define PHY_DX1GCR 0x00000200
+#define PHY_DX1GTR 0x00000230
+#define PHY_DX2GCR 0x00000240
+#define PHY_DX2GTR 0x00000270
+#define PHY_DX3GCR 0x00000280
+#define PHY_DX3GTR 0x000002B0
+
+#define PHY_DXMDLR(dx) (0x000001EC + 0x40 * (dx))
+#define PHY_DXLCDLR0(dx) (0x000001E0 + 0x40 * (dx))
+#define PHY_DXLCDLR1(dx) (0x000001E4 + 0x40 * (dx))
+#define PHY_DXLCDLR2(dx) (0x000001E8 + 0x40 * (dx))
+#define PHY_DXBDLR1(dx) (0x000001D0 + 0x40 * (dx))
+#define PHY_DXBDLR2(dx) (0x000001D4 + 0x40 * (dx))
+
+/* MASK */
+#define PHY_ACBD_MASK 0x00FC0000
+#define PHY_CK0BD_MASK 0x0000003F
+#define PHY_CK1BD_MASK 0x00000FC0
+#define PHY_IPRD_MASK 0x000000FF
+#define PHY_WLD_MASK(rank) (0xFF << (8 * (rank)))
+#define PHY_DQSGD_MASK(rank) (0xFF << (8 * (rank)))
+#define PHY_DQSGX_MASK BIT(6)
+#define PHY_DSWBD_MASK 0x3F000000 /* bit[29:24] */
+#define PHY_DSDQOE_MASK 0x00000FFF
+
+static void ddrphy_maskwritel(u32 data, u32 mask, void *addr)
+{
+ u32 value;
+
+ value = (readl(addr) & ~(mask)) | (data & mask);
+ writel(value, addr);
+}
+
+static u32 ddrphy_maskreadl(u32 mask, void *addr)
+{
+ return readl(addr) & mask;
+}
+
+/* step of 0.5T for PUB-byte */
+static u8 ddrphy_get_mdl(int dx, void __iomem *phy_base)
+{
+ return ddrphy_maskreadl(PHY_IPRD_MASK, phy_base + PHY_DXMDLR(dx));
+}
+
+/* Calculating step for PUB-byte */
+static int ddrphy_hpstep(int delay, int dx, void __iomem *phy_base)
+{
+ return delay * ddrphy_get_mdl(dx, phy_base) * DDR_FREQ / 1000000;
+}
+
+static void ddrphy_vt_ctrl(void __iomem *phy_base, int enable)
+{
+ u32 tmp;
+
+ tmp = readl(phy_base + PHY_PGCR1);
+
+ if (enable)
+ tmp &= ~PHY_PGCR1_INHVT;
+ else
+ tmp |= PHY_PGCR1_INHVT;
+
+ writel(tmp, phy_base + PHY_PGCR1);
+
+ if (!enable) {
+ while (!(readl(phy_base + PHY_PGSR1) & PHY_PGSR1_VTSTOP))
+ cpu_relax();
+ }
+}
+
+static void ddrphy_set_ckoffset_qoffset(int delay_ckoffset0, int delay_ckoffset1,
+ int delay_qoffset, int enable,
+ void __iomem *phy_base)
+{
+ u8 ck_step0, ck_step1; /* ckoffset_step for clock */
+ u8 q_step; /* qoffset_step for clock */
+ int dx;
+
+ dx = 2; /* use dx2 in sLD11 */
+
+ ck_step0 = ddrphy_hpstep(delay_ckoffset0, dx, phy_base); /* CK-Offset */
+ ck_step1 = ddrphy_hpstep(delay_ckoffset1, dx, phy_base); /* CK-Offset */
+ q_step = ddrphy_hpstep(delay_qoffset, dx, phy_base); /* Q-Offset */
+
+ ddrphy_vt_ctrl(phy_base, 0);
+
+ /* Q->[23:18], CK1->[11:6], CK0->bit[5:0] */
+ if (enable == 1)
+ ddrphy_maskwritel((q_step << 18) + (ck_step1 << 6) + ck_step0,
+ PHY_ACBD_MASK | PHY_CK1BD_MASK | PHY_CK0BD_MASK,
+ phy_base + PHY_ACBDLR);
+
+ ddrphy_vt_ctrl(phy_base, 1);
+}
+
+static void ddrphy_set_wl_delay_dx(int dx, int r0_delay, int r1_delay,
+ int enable, void __iomem *phy_base)
+{
+ int rank;
+ int delay_wl[4];
+ u32 wl_mask = 0; /* WriteLeveling's Mask */
+ u32 wl_value = 0; /* WriteLeveling's Value */
+
+ delay_wl[0] = r0_delay & 0xfff;
+ delay_wl[1] = r1_delay & 0xfff;
+ delay_wl[2] = 0;
+ delay_wl[3] = 0;
+
+ ddrphy_vt_ctrl(phy_base, 0);
+
+ for (rank = 0; rank < 4; rank++) {
+ wl_mask |= PHY_WLD_MASK(rank);
+ /* WriteLeveling's delay */
+ wl_value |= ddrphy_hpstep(delay_wl[rank], dx, phy_base) << (8 * rank);
+ }
+
+ if (enable == 1)
+ ddrphy_maskwritel(wl_value, wl_mask, phy_base + PHY_DXLCDLR0(dx));
+
+ ddrphy_vt_ctrl(phy_base, 1);
+}
+
+static void ddrphy_set_dqsg_delay_dx(int dx, int r0_delay, int r1_delay,
+ int enable, void __iomem *phy_base)
+{
+ int rank;
+ int delay_dqsg[4];
+ u32 dqsg_mask = 0; /* DQSGating_LCDL_delay's Mask */
+ u32 dqsg_value = 0; /* DQSGating_LCDL_delay's Value */
+
+ delay_dqsg[0] = r0_delay;
+ delay_dqsg[1] = r1_delay;
+ delay_dqsg[2] = 0;
+ delay_dqsg[3] = 0;
+
+ ddrphy_vt_ctrl(phy_base, 0);
+
+ for (rank = 0; rank < 4; rank++) {
+ dqsg_mask |= PHY_DQSGD_MASK(rank);
+ /* DQSGating's delay */
+ dqsg_value |= ddrphy_hpstep(delay_dqsg[rank], dx, phy_base) << (8 * rank);
+ }
+
+ if (enable == 1)
+ ddrphy_maskwritel(dqsg_value, dqsg_mask, phy_base + PHY_DXLCDLR2(dx));
+
+ ddrphy_vt_ctrl(phy_base, 1);
+}
+
+static void ddrphy_set_dswb_delay_dx(int dx, int delay, int enable, void __iomem *phy_base)
+{
+ u8 dswb_step;
+
+ ddrphy_vt_ctrl(phy_base, 0);
+
+ dswb_step = ddrphy_hpstep(delay, dx, phy_base); /* DQS-BDL's delay */
+
+ if (enable == 1)
+ ddrphy_maskwritel(dswb_step << 24, PHY_DSWBD_MASK, phy_base + PHY_DXBDLR1(dx));
+
+ ddrphy_vt_ctrl(phy_base, 1);
+}
+
+static void ddrphy_set_oe_delay_dx(int dx, int dqs_delay, int dq_delay,
+ int enable, void __iomem *phy_base)
+{
+ u8 dqs_oe_step, dq_oe_step;
+ u32 wdata;
+
+ ddrphy_vt_ctrl(phy_base, 0);
+
+ /* OE(DQS,DQ) */
+ dqs_oe_step = ddrphy_hpstep(dqs_delay, dx, phy_base); /* DQS-oe's delay */
+ dq_oe_step = ddrphy_hpstep(dq_delay, dx, phy_base); /* DQ-oe's delay */
+ wdata = ((dq_oe_step<<6) + dqs_oe_step) & 0xFFF;
+
+ if (enable == 1)
+ ddrphy_maskwritel(wdata, PHY_DSDQOE_MASK, phy_base + PHY_DXBDLR2(dx));
+
+ ddrphy_vt_ctrl(phy_base, 1);
+}
+
+static void ddrphy_ext_dqsgt(void __iomem *phy_base)
+{
+ /* Extend DQSGating_window min:+1T max:+1T */
+ ddrphy_maskwritel(PHY_DQSGX_MASK, PHY_DQSGX_MASK, phy_base + PHY_DSGCR);
+}
+
+static void ddrphy_shift_tof_hws(void __iomem *phy_base, const int shift[][2])
+{
+ int dx, block, byte;
+ u32 lcdlr1, wdqd;
+
+ ddrphy_vt_ctrl(phy_base, 0);
+
+ for (block = 0; block < RANK_BLOCKS_TR; block++) {
+ for (byte = 0; byte < 2; byte++) {
+ dx = block * 2 + byte;
+ lcdlr1 = readl(phy_base + PHY_DXLCDLR1(dx));
+ wdqd = lcdlr1 & 0xff;
+ wdqd = clamp(wdqd + ddrphy_hpstep(shift[block][byte], dx, phy_base),
+ 0U, 0xffU);
+ lcdlr1 = (lcdlr1 & ~0xff) | wdqd;
+ writel(lcdlr1, phy_base + PHY_DXLCDLR1(dx));
+ readl(phy_base + PHY_DXLCDLR1(dx)); /* relax */
+ }
+ }
+
+ ddrphy_vt_ctrl(phy_base, 1);
+}
+
+static void ddrphy_shift_rof_hws(void __iomem *phy_base, const int pos_shift[][2],
+ const int neg_shift[][2])
+{
+ int dx, block, byte;
+ u32 lcdlr1, rdqsd, rdqnsd;
+
+ ddrphy_vt_ctrl(phy_base, 0);
+
+ for (block = 0; block < RANK_BLOCKS_TR; block++) {
+ for (byte = 0; byte < 2; byte++) {
+ dx = block * 2 + byte;
+ lcdlr1 = readl(phy_base + PHY_DXLCDLR1(dx));
+
+ /* DQS LCDL RDQNSD->[23:16] RDQSD->[15:8] */
+ rdqsd = (lcdlr1 >> 8) & 0xff;
+ rdqnsd = (lcdlr1 >> 16) & 0xff;
+ rdqsd = clamp(rdqsd + ddrphy_hpstep(pos_shift[block][byte], dx, phy_base),
+ 0U, 0xffU);
+ rdqnsd = clamp(rdqnsd + ddrphy_hpstep(neg_shift[block][byte], dx, phy_base),
+ 0U, 0xffU);
+ lcdlr1 = (lcdlr1 & ~(0xffff << 8)) | (rdqsd << 8) | (rdqnsd << 16);
+ readl(phy_base + PHY_DXLCDLR1(dx)); /* relax */
+ }
+ }
+
+ ddrphy_vt_ctrl(phy_base, 1);
+}
+
+static void ddrphy_boot_run_hws(void __iomem *phy_base)
+{
+ /* Hard Training for DIO */
+ writel(0x0000f401, phy_base + PHY_PIR);
+ while (!(readl(phy_base + PHY_PGSR0) & PHY_PGSR0_IDONE))
+ cpu_relax();
+}
+
+static void ddrphy_training(void __iomem *phy_base)
+{
+ /* DIO roffset shift before hard training */
+ ddrphy_shift_rof_hws(phy_base, rof_pos_shift_pre, rof_neg_shift_pre);
+
+ /* Hard Training for each CH */
+ ddrphy_boot_run_hws(phy_base);
+
+ /* DIO toffset shift after training */
+ ddrphy_shift_tof_hws(phy_base, tof_shift);
+
+ /* DIO roffset shift after training */
+ ddrphy_shift_rof_hws(phy_base, rof_pos_shift, rof_neg_shift);
+
+ /* Extend DQSGating window min:+1T max:+1T */
+ ddrphy_ext_dqsgt(phy_base);
+}
+
+static void ddrphy_init(void __iomem *phy_base, enum dram_freq freq)
+{
+ writel(0x40000000, phy_base + PHY_PIR);
+ writel(0x0300C4F1, phy_base + PHY_PGCR1);
+ writel(0x0C807D04, phy_base + PHY_PTR0);
+ writel(0x27100578, phy_base + PHY_PTR1);
+ writel(0x00083DEF, phy_base + PHY_PTR2);
+ writel(0x12061A80, phy_base + PHY_PTR3);
+ writel(0x08027100, phy_base + PHY_PTR4);
+ writel(0x9D9CBB66, phy_base + PHY_DTPR0);
+ writel(0x1a878400, phy_base + PHY_DTPR1);
+ writel(0x50025200, phy_base + PHY_DTPR2);
+ writel(0xF004641A, phy_base + PHY_DSGCR);
+ writel(0x0000040B, phy_base + PHY_DCR);
+ writel(0x00000d71, phy_base + PHY_MR0);
+ writel(0x00000006, phy_base + PHY_MR1);
+ writel(0x00000098, phy_base + PHY_MR2);
+ writel(0x00000000, phy_base + PHY_MR3);
+
+ while (!(readl(phy_base + PHY_PGSR0) & PHY_PGSR0_IDONE))
+ cpu_relax();
+
+ writel(0x00000059, phy_base + PHY_ZQ0CR1);
+ writel(0x00000019, phy_base + PHY_ZQ1CR1);
+ writel(0x00000019, phy_base + PHY_ZQ2CR1);
+ writel(0x30FC6C20, phy_base + PHY_PGCR2);
+
+ ddrphy_set_ckoffset_qoffset(119, 0, 0, 1, phy_base);
+ ddrphy_set_wl_delay_dx(0, 220, 220, 1, phy_base);
+ ddrphy_set_wl_delay_dx(1, 160, 160, 1, phy_base);
+ ddrphy_set_wl_delay_dx(2, 190, 190, 1, phy_base);
+ ddrphy_set_wl_delay_dx(3, 150, 150, 1, phy_base);
+ ddrphy_set_dqsg_delay_dx(0, 750, 750, 1, phy_base);
+ ddrphy_set_dqsg_delay_dx(1, 750, 750, 1, phy_base);
+ ddrphy_set_dqsg_delay_dx(2, 750, 750, 1, phy_base);
+ ddrphy_set_dqsg_delay_dx(3, 750, 750, 1, phy_base);
+ ddrphy_set_dswb_delay_dx(0, 0, 1, phy_base);
+ ddrphy_set_dswb_delay_dx(1, 0, 1, phy_base);
+ ddrphy_set_dswb_delay_dx(2, 0, 1, phy_base);
+ ddrphy_set_dswb_delay_dx(3, 0, 1, phy_base);
+ ddrphy_set_oe_delay_dx(0, 0, 0, 1, phy_base);
+ ddrphy_set_oe_delay_dx(1, 0, 0, 1, phy_base);
+ ddrphy_set_oe_delay_dx(2, 0, 0, 1, phy_base);
+ ddrphy_set_oe_delay_dx(3, 0, 0, 1, phy_base);
+
+ writel(0x44000E81, phy_base + PHY_DX0GCR);
+ writel(0x44000E81, phy_base + PHY_DX1GCR);
+ writel(0x44000E81, phy_base + PHY_DX2GCR);
+ writel(0x44000E81, phy_base + PHY_DX3GCR);
+ writel(0x00055002, phy_base + PHY_DX0GTR);
+ writel(0x00055002, phy_base + PHY_DX1GTR);
+ writel(0x00055010, phy_base + PHY_DX2GTR);
+ writel(0x00055010, phy_base + PHY_DX3GTR);
+ writel(0x930035C7, phy_base + PHY_DTCR);
+ writel(0x00000003, phy_base + PHY_PIR);
+ readl(phy_base + PHY_PIR);
+ while (!(readl(phy_base + PHY_PGSR0) & PHY_PGSR0_IDONE))
+ cpu_relax();
+
+ writel(0x00000181, phy_base + PHY_PIR);
+ readl(phy_base + PHY_PIR);
+ while (!(readl(phy_base + PHY_PGSR0) & PHY_PGSR0_IDONE))
+ cpu_relax();
+
+ writel(0x44181884, phy_base + PHY_DXCCR);
+ writel(0x00000001, phy_base + PHY_GPR1);
+}
+
+/* UMC */
+static const u32 umc_cmdctla[DRAM_FREQ_NR] = {0x060B0B1C};
+static const u32 umc_cmdctlb[DRAM_FREQ_NR] = {0x27201806};
+static const u32 umc_cmdctlc[DRAM_FREQ_NR] = {0x00120B04};
+static const u32 umc_cmdctle[DRAM_FREQ_NR] = {0x00680607};
+static const u32 umc_cmdctlf[DRAM_FREQ_NR] = {0x02000200};
+static const u32 umc_cmdctlg[DRAM_FREQ_NR] = {0x08080808};
+
+static const u32 umc_rdatactl[DRAM_FREQ_NR] = {0x00000810};
+static const u32 umc_wdatactl[DRAM_FREQ_NR] = {0x00000004};
+static const u32 umc_odtctl[DRAM_FREQ_NR] = {0x02000002};
+static const u32 umc_acssetb[DRAM_CH_NR] = {0x00000200, 0x00000203};
+
+static const u32 umc_memconfch[DRAM_FREQ_NR] = {0x00023605};
static int umc_dc_init(void __iomem *dc_base, enum dram_freq freq,
unsigned long size, int ch)
{
+ /* Wait for PHY Init Complete */
writel(umc_cmdctla[freq], dc_base + UMC_CMDCTLA);
writel(umc_cmdctlb[freq], dc_base + UMC_CMDCTLB);
writel(umc_cmdctlc[freq], dc_base + UMC_CMDCTLC);
writel(umc_cmdctlf[freq], dc_base + UMC_CMDCTLF);
writel(umc_cmdctlg[freq], dc_base + UMC_CMDCTLG);
- writel(umc_rdatactl_d0[freq], dc_base + UMC_RDATACTL_D0);
- writel(umc_rdatactl_d1[freq], dc_base + UMC_RDATACTL_D1);
+ writel(umc_rdatactl[freq], dc_base + UMC_RDATACTL_D0);
+ writel(umc_rdatactl[freq], dc_base + UMC_RDATACTL_D1);
- writel(umc_wdatactl_d0[freq], dc_base + UMC_WDATACTL_D0);
- writel(umc_wdatactl_d1[freq], dc_base + UMC_WDATACTL_D1);
+ writel(umc_wdatactl[freq], dc_base + UMC_WDATACTL_D0);
+ writel(umc_wdatactl[freq], dc_base + UMC_WDATACTL_D1);
- writel(umc_odtctl_d0[freq], dc_base + UMC_ODTCTL_D0);
- writel(umc_odtctl_d1[freq], dc_base + UMC_ODTCTL_D1);
+ writel(umc_odtctl[freq], dc_base + UMC_ODTCTL_D0);
+ writel(umc_odtctl[freq], dc_base + UMC_ODTCTL_D1);
writel(0x00000003, dc_base + UMC_ACSSETA);
writel(0x00000103, dc_base + UMC_FLOWCTLG);
{
void __iomem *um_base = (void __iomem *)0x5B800000;
void __iomem *umc_ch_base = (void __iomem *)0x5BC00000;
+ void __iomem *phy_base = (void __iomem *)0x5BC01000;
enum dram_freq freq;
int ch, ret;
return -EINVAL;
}
+ writel(0x00000101, umc_ch_base + UMC_DIOCTLA);
+ while (!(readl(phy_base + PHY_PGSR0) & PHY_PGSR0_IDONE))
+ cpu_relax();
+
+ writel(0x00000000, umc_ch_base + UMC_DIOCTLA);
+ writel(0x00000001, umc_ch_base + UMC_DEBUGC);
+ writel(0x00000101, umc_ch_base + UMC_DIOCTLA);
+
+ writel(0x00000100, umc_ch_base + UMC_INITSET);
+ while (readl(umc_ch_base + UMC_INITSTAT) & BIT(8))
+ cpu_relax();
+
+ writel(0x00000100, umc_ch_base + 0x00200000 + UMC_INITSET);
+ while (readl(umc_ch_base + 0x00200000 + UMC_INITSTAT) & BIT(8))
+ cpu_relax();
+
+ ddrphy_init(phy_base, freq);
+
for (ch = 0; ch < bd->dram_nr_ch; ch++) {
unsigned long size = bd->dram_ch[ch].size;
unsigned int width = bd->dram_ch[ch].width;
umc_ch_base += 0x00200000;
}
+ ddrphy_training(phy_base);
um_init(um_base);
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