#include <asm/arch/iomux-vf610.h>
#include <asm/arch/ddrmc-vf610.h>
-void ddrmc_setup_iomux(void)
+void ddrmc_setup_iomux(const iomux_v3_cfg_t *pads, int pads_count)
{
- static const iomux_v3_cfg_t ddr_pads[] = {
+ static const iomux_v3_cfg_t default_pads[] = {
VF610_PAD_DDR_A15__DDR_A_15,
VF610_PAD_DDR_A14__DDR_A_14,
VF610_PAD_DDR_A13__DDR_A_13,
VF610_PAD_DDR_RESETB,
};
- imx_iomux_v3_setup_multiple_pads(ddr_pads, ARRAY_SIZE(ddr_pads));
-}
+ if ((pads == NULL) || (pads_count == 0)) {
+ pads = default_pads;
+ pads_count = ARRAY_SIZE(default_pads);
+ }
-void ddrmc_phy_init(void)
-{
- struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR;
+ imx_iomux_v3_setup_multiple_pads(pads, pads_count);
+}
- writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[0]);
- writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[16]);
- writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[32]);
+static struct ddrmc_phy_setting default_phy_settings[] = {
+ { DDRMC_PHY_DQ_TIMING, 0 },
+ { DDRMC_PHY_DQ_TIMING, 16 },
+ { DDRMC_PHY_DQ_TIMING, 32 },
- writel(DDRMC_PHY_DQS_TIMING, &ddrmr->phy[1]);
- writel(DDRMC_PHY_DQS_TIMING, &ddrmr->phy[17]);
+ { DDRMC_PHY_DQS_TIMING, 1 },
+ { DDRMC_PHY_DQS_TIMING, 17 },
- writel(DDRMC_PHY_CTRL, &ddrmr->phy[2]);
- writel(DDRMC_PHY_CTRL, &ddrmr->phy[18]);
- writel(DDRMC_PHY_CTRL, &ddrmr->phy[34]);
+ { DDRMC_PHY_CTRL, 2 },
+ { DDRMC_PHY_CTRL, 18 },
+ { DDRMC_PHY_CTRL, 34 },
- writel(DDRMC_PHY_MASTER_CTRL, &ddrmr->phy[3]);
- writel(DDRMC_PHY_MASTER_CTRL, &ddrmr->phy[19]);
- writel(DDRMC_PHY_MASTER_CTRL, &ddrmr->phy[35]);
+ { DDRMC_PHY_MASTER_CTRL, 3 },
+ { DDRMC_PHY_MASTER_CTRL, 19 },
+ { DDRMC_PHY_MASTER_CTRL, 35 },
- writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[4]);
- writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[20]);
- writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[36]);
+ { DDRMC_PHY_SLAVE_CTRL, 4 },
+ { DDRMC_PHY_SLAVE_CTRL, 20 },
+ { DDRMC_PHY_SLAVE_CTRL, 36 },
/* LPDDR2 only parameter */
- writel(DDRMC_PHY_OFF, &ddrmr->phy[49]);
+ { DDRMC_PHY_OFF, 49 },
- writel(DDRMC_PHY50_DDR3_MODE |
- DDRMC_PHY50_EN_SW_HALF_CYCLE, &ddrmr->phy[50]);
+ { DDRMC_PHY50_DDR3_MODE | DDRMC_PHY50_EN_SW_HALF_CYCLE, 50 },
/* Processor Pad ODT settings */
- writel(DDRMC_PHY_PROC_PAD_ODT, &ddrmr->phy[52]);
-}
-
-static void ddrmc_ctrl_lvl_init(struct ddrmc_lvl_info *lvl)
-{
- struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR;
- u32 cr102 = 0, cr105 = 0, cr106 = 0, cr110 = 0;
+ { DDRMC_PHY_PROC_PAD_ODT, 52 },
- if (lvl->wrlvl_reg_en) {
- writel(DDRMC_CR97_WRLVL_EN, &ddrmr->cr[97]);
- writel(DDRMC_CR98_WRLVL_DL_0(lvl->wrlvl_dl_0), &ddrmr->cr[98]);
- writel(DDRMC_CR99_WRLVL_DL_1(lvl->wrlvl_dl_1), &ddrmr->cr[99]);
- }
-
- if (lvl->rdlvl_reg_en) {
- cr102 |= DDRMC_CR102_RDLVL_REG_EN;
- cr105 |= DDRMC_CR105_RDLVL_DL_0(lvl->rdlvl_dl_0);
- cr110 |= DDRMC_CR110_RDLVL_DL_1(lvl->rdlvl_dl_1);
- }
-
- if (lvl->rdlvl_gt_reg_en) {
- cr102 |= DDRMC_CR102_RDLVL_GT_REGEN;
- cr106 |= DDRMC_CR106_RDLVL_GTDL_0(lvl->rdlvl_gt_dl_0);
- cr110 |= DDRMC_CR110_RDLVL_GTDL_1(lvl->rdlvl_gt_dl_1);
- }
-
- writel(cr102, &ddrmr->cr[102]);
- writel(cr105, &ddrmr->cr[105]);
- writel(cr106, &ddrmr->cr[106]);
- writel(cr110, &ddrmr->cr[110]);
-}
+ /* end marker */
+ { 0, -1 }
+};
void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
- struct ddrmc_lvl_info *lvl,
- int col_diff, int row_diff)
+ struct ddrmc_cr_setting *board_cr_settings,
+ struct ddrmc_phy_setting *board_phy_settings,
+ int col_diff, int row_diff)
{
struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR;
+ struct ddrmc_cr_setting *cr_setting;
+ struct ddrmc_phy_setting *phy_setting;
writel(DDRMC_CR00_DRAM_CLASS_DDR3, &ddrmr->cr[0]);
writel(DDRMC_CR02_DRAM_TINIT(timings->tinit), &ddrmr->cr[2]);
writel(DDRMC_CR12_WRLAT(timings->wrlat) |
DDRMC_CR12_CASLAT_LIN(timings->caslat_lin), &ddrmr->cr[12]);
writel(DDRMC_CR13_TRC(timings->trc) | DDRMC_CR13_TRRD(timings->trrd) |
- DDRMC_CR13_TCCD(timings->tccd), &ddrmr->cr[13]);
+ DDRMC_CR13_TCCD(timings->tccd) |
+ DDRMC_CR13_TBST_INT_INTERVAL(timings->tbst_int_interval),
+ &ddrmr->cr[13]);
writel(DDRMC_CR14_TFAW(timings->tfaw) | DDRMC_CR14_TRP(timings->trp) |
DDRMC_CR14_TWTR(timings->twtr) |
DDRMC_CR14_TRAS_MIN(timings->tras_min), &ddrmr->cr[14]);
DDRMC_CR18_TCKE(timings->tcke), &ddrmr->cr[18]);
writel(DDRMC_CR20_AP_EN, &ddrmr->cr[20]);
- writel(DDRMC_CR21_TRCD_INT(timings->trcd_int) |
- DDRMC_CR21_CCMAP_EN, &ddrmr->cr[21]);
+ writel(DDRMC_CR21_TRCD_INT(timings->trcd_int) | DDRMC_CR21_CCMAP_EN |
+ DDRMC_CR21_TRAS_LOCKOUT(timings->tras_lockout),
+ &ddrmr->cr[21]);
writel(DDRMC_CR22_TDAL(timings->tdal), &ddrmr->cr[22]);
- writel(DDRMC_CR23_BSTLEN(3) |
+ writel(DDRMC_CR23_BSTLEN(timings->bstlen) |
DDRMC_CR23_TDLL(timings->tdll), &ddrmr->cr[23]);
writel(DDRMC_CR24_TRP_AB(timings->trp_ab), &ddrmr->cr[24]);
writel(DDRMC_CR25_TREF_EN, &ddrmr->cr[25]);
writel(DDRMC_CR26_TREF(timings->tref) |
DDRMC_CR26_TRFC(timings->trfc), &ddrmr->cr[26]);
- writel(DDRMC_CR28_TREF_INT(0), &ddrmr->cr[28]);
+ writel(DDRMC_CR28_TREF_INT(timings->tref_int), &ddrmr->cr[28]);
writel(DDRMC_CR29_TPDEX(timings->tpdex), &ddrmr->cr[29]);
writel(DDRMC_CR30_TXPDLL(timings->txpdll), &ddrmr->cr[30]);
writel(DDRMC_CR34_CKSRX(timings->cksrx) |
DDRMC_CR34_CKSRE(timings->cksre), &ddrmr->cr[34]);
- writel(DDRMC_CR38_FREQ_CHG_EN(0), &ddrmr->cr[38]);
+ writel(DDRMC_CR38_FREQ_CHG_EN(timings->freq_chg_en), &ddrmr->cr[38]);
writel(DDRMC_CR39_PHY_INI_COM(1024) | DDRMC_CR39_PHY_INI_STA(16) |
DDRMC_CR39_FRQ_CH_DLLOFF(2), &ddrmr->cr[39]);
writel(DDRMC_CR69_ZQ_ON_SREF_EX(2), &ddrmr->cr[69]);
writel(DDRMC_CR70_REF_PER_ZQ(timings->ref_per_zq), &ddrmr->cr[70]);
- writel(DDRMC_CR72_ZQCS_ROTATE(0), &ddrmr->cr[72]);
+ writel(DDRMC_CR72_ZQCS_ROTATE(timings->zqcs_rotate), &ddrmr->cr[72]);
writel(DDRMC_CR73_APREBIT(timings->aprebit) |
DDRMC_CR73_COL_DIFF(col_diff) |
DDRMC_CR73_ROW_DIFF(row_diff), &ddrmr->cr[73]);
writel(DDRMC_CR74_BANKSPLT_EN | DDRMC_CR74_ADDR_CMP_EN |
- DDRMC_CR74_CMD_AGE_CNT(64) | DDRMC_CR74_AGE_CNT(64),
+ DDRMC_CR74_CMD_AGE_CNT(timings->cmd_age_cnt) |
+ DDRMC_CR74_AGE_CNT(timings->age_cnt),
&ddrmr->cr[74]);
writel(DDRMC_CR75_RW_PG_EN | DDRMC_CR75_RW_EN | DDRMC_CR75_PRI_EN |
DDRMC_CR75_PLEN, &ddrmr->cr[75]);
DDRMC_CR76_W2R_SPLT_EN, &ddrmr->cr[76]);
writel(DDRMC_CR77_CS_MAP | DDRMC_CR77_DI_RD_INTLEAVE |
DDRMC_CR77_SWAP_EN, &ddrmr->cr[77]);
- writel(DDRMC_CR78_Q_FULLNESS(7) |
+ writel(DDRMC_CR78_Q_FULLNESS(timings->q_fullness) |
DDRMC_CR78_BUR_ON_FLY_BIT(12), &ddrmr->cr[78]);
writel(DDRMC_CR79_CTLUPD_AREF(0), &ddrmr->cr[79]);
writel(DDRMC_CR82_INT_MASK, &ddrmr->cr[82]);
- writel(DDRMC_CR87_ODT_WR_MAPCS0, &ddrmr->cr[87]);
+ writel(DDRMC_CR87_ODT_RD_MAPCS0(timings->odt_rd_mapcs0) |
+ DDRMC_CR87_ODT_WR_MAPCS0(timings->odt_wr_mapcs0),
+ &ddrmr->cr[87]);
writel(DDRMC_CR88_TODTL_CMD(4), &ddrmr->cr[88]);
writel(DDRMC_CR89_AODT_RWSMCS(2), &ddrmr->cr[89]);
writel(DDRMC_CR96_WLMRD(timings->wlmrd) |
DDRMC_CR96_WLDQSEN(timings->wldqsen), &ddrmr->cr[96]);
- if (lvl != NULL)
- ddrmc_ctrl_lvl_init(lvl);
-
- writel(DDRMC_CR117_AXI0_W_PRI(0) |
- DDRMC_CR117_AXI0_R_PRI(0), &ddrmr->cr[117]);
- writel(DDRMC_CR118_AXI1_W_PRI(1) |
- DDRMC_CR118_AXI1_R_PRI(1), &ddrmr->cr[118]);
-
- writel(DDRMC_CR120_AXI0_PRI1_RPRI(2) |
- DDRMC_CR120_AXI0_PRI0_RPRI(2), &ddrmr->cr[120]);
- writel(DDRMC_CR121_AXI0_PRI3_RPRI(2) |
- DDRMC_CR121_AXI0_PRI2_RPRI(2), &ddrmr->cr[121]);
- writel(DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
- DDRMC_CR122_AXI0_PRIRLX(100), &ddrmr->cr[122]);
- writel(DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
- DDRMC_CR123_AXI1_PRI2_RPRI(1), &ddrmr->cr[123]);
- writel(DDRMC_CR124_AXI1_PRIRLX(100), &ddrmr->cr[124]);
-
- writel(DDRMC_CR126_PHY_RDLAT(8), &ddrmr->cr[126]);
- writel(DDRMC_CR132_WRLAT_ADJ(5) |
- DDRMC_CR132_RDLAT_ADJ(6), &ddrmr->cr[132]);
- writel(DDRMC_CR137_PHYCTL_DL(2), &ddrmr->cr[137]);
- writel(DDRMC_CR138_PHY_WRLV_MXDL(256) |
- DDRMC_CR138_PHYDRAM_CK_EN(1), &ddrmr->cr[138]);
- writel(DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
- DDRMC_CR139_PHY_WRLV_DLL(3) |
- DDRMC_CR139_PHY_WRLV_EN(3), &ddrmr->cr[139]);
- writel(DDRMC_CR140_PHY_WRLV_WW(64), &ddrmr->cr[140]);
- writel(DDRMC_CR143_RDLV_GAT_MXDL(1536) |
- DDRMC_CR143_RDLV_MXDL(128), &ddrmr->cr[143]);
- writel(DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
- DDRMC_CR144_PHY_RDLV_DLL(3) |
- DDRMC_CR144_PHY_RDLV_EN(3), &ddrmr->cr[144]);
- writel(DDRMC_CR145_PHY_RDLV_RR(64), &ddrmr->cr[145]);
- writel(DDRMC_CR146_PHY_RDLVL_RESP(64), &ddrmr->cr[146]);
- writel(DDRMC_CR147_RDLV_RESP_MASK(983040), &ddrmr->cr[147]);
- writel(DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), &ddrmr->cr[148]);
- writel(DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
- DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), &ddrmr->cr[151]);
-
- writel(DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
- DDRMC_CR154_PAD_ZQ_MODE(1) |
- DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
- DDRMC_CR154_PAD_ZQ_HW_FOR(1), &ddrmr->cr[154]);
- writel(DDRMC_CR155_PAD_ODT_BYTE1(2) |
- DDRMC_CR155_PAD_ODT_BYTE0(2), &ddrmr->cr[155]);
- writel(DDRMC_CR158_TWR(6), &ddrmr->cr[158]);
- writel(DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
- DDRMC_CR161_TODTH_WR(2), &ddrmr->cr[161]);
-
- ddrmc_phy_init();
+ /* execute custom CR setting sequence (may be NULL) */
+ cr_setting = board_cr_settings;
+ if (cr_setting != NULL)
+ while (cr_setting->cr_rnum >= 0) {
+ writel(cr_setting->setting,
+ &ddrmr->cr[cr_setting->cr_rnum]);
+ cr_setting++;
+ }
+
+ /* perform default PHY settings (may be overriden by custom settings */
+ phy_setting = default_phy_settings;
+ while (phy_setting->phy_rnum >= 0) {
+ writel(phy_setting->setting,
+ &ddrmr->phy[phy_setting->phy_rnum]);
+ phy_setting++;
+ }
+
+ /* execute custom PHY setting sequence (may be NULL) */
+ phy_setting = board_phy_settings;
+ if (phy_setting != NULL)
+ while (phy_setting->phy_rnum >= 0) {
+ writel(phy_setting->setting,
+ &ddrmr->phy[phy_setting->phy_rnum]);
+ phy_setting++;
+ }
+ /* all inits done, start the DDR controller */
writel(DDRMC_CR00_DRAM_CLASS_DDR3 | DDRMC_CR00_START, &ddrmr->cr[0]);
while (!(readl(&ddrmr->cr[80]) && 0x100))
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