vf610: refactor DDRMC code
The VF610 DDRMC driver code contains settings which are
board-specific. Move these out to boards so that new boards
can define their own without having to modify the driver.
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
diff --git a/board/freescale/vf610twr/vf610twr.c b/board/freescale/vf610twr/vf610twr.c
index 4160acd..7834931 100644
--- a/board/freescale/vf610twr/vf610twr.c
+++ b/board/freescale/vf610twr/vf610twr.c
@@ -28,63 +28,117 @@
#define ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_50ohm | PAD_CTL_OBE_IBE_ENABLE)
+static struct ddrmc_cr_setting vf610twr_cr_settings[] = {
+ /* levelling */
+ { DDRMC_CR97_WRLVL_EN, 97 },
+ { DDRMC_CR98_WRLVL_DL_0(0), 98 },
+ { DDRMC_CR99_WRLVL_DL_1(0), 99 },
+ { DDRMC_CR102_RDLVL_REG_EN | DDRMC_CR102_RDLVL_GT_REGEN, 102 },
+ { DDRMC_CR105_RDLVL_DL_0(0), 105 },
+ { DDRMC_CR106_RDLVL_GTDL_0(4), 106 },
+ { DDRMC_CR110_RDLVL_DL_1(0) | DDRMC_CR110_RDLVL_GTDL_1(4), 110 },
+ /* AXI */
+ { DDRMC_CR117_AXI0_W_PRI(0) | DDRMC_CR117_AXI0_R_PRI(0), 117 },
+ { DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
+ { DDRMC_CR120_AXI0_PRI1_RPRI(2) |
+ DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
+ { DDRMC_CR121_AXI0_PRI3_RPRI(2) |
+ DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
+ { DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
+ DDRMC_CR122_AXI0_PRIRLX(100), 122 },
+ { DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
+ DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
+ { DDRMC_CR124_AXI1_PRIRLX(100), 124 },
+ { DDRMC_CR126_PHY_RDLAT(8), 126 },
+ { DDRMC_CR132_WRLAT_ADJ(5) |
+ DDRMC_CR132_RDLAT_ADJ(6), 132 },
+ { DDRMC_CR137_PHYCTL_DL(2), 137 },
+ { DDRMC_CR138_PHY_WRLV_MXDL(256) |
+ DDRMC_CR138_PHYDRAM_CK_EN(1), 138 },
+ { DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
+ DDRMC_CR139_PHY_WRLV_DLL(3) |
+ DDRMC_CR139_PHY_WRLV_EN(3), 139 },
+ { DDRMC_CR140_PHY_WRLV_WW(64), 140 },
+ { DDRMC_CR143_RDLV_GAT_MXDL(1536) |
+ DDRMC_CR143_RDLV_MXDL(128), 143 },
+ { DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
+ DDRMC_CR144_PHY_RDLV_DLL(3) |
+ DDRMC_CR144_PHY_RDLV_EN(3), 144 },
+ { DDRMC_CR145_PHY_RDLV_RR(64), 145 },
+ { DDRMC_CR146_PHY_RDLVL_RESP(64), 146 },
+ { DDRMC_CR147_RDLV_RESP_MASK(983040), 147 },
+ { DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), 148 },
+ { DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
+ DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), 151 },
+
+ { 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), 154 },
+ { DDRMC_CR155_PAD_ODT_BYTE1(1) | DDRMC_CR155_PAD_ODT_BYTE0(1), 155 },
+ { DDRMC_CR158_TWR(6), 158 },
+ { DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
+ DDRMC_CR161_TODTH_WR(2), 161 },
+ /* end marker */
+ { 0, -1 }
+};
+
int dram_init(void)
{
- struct ddrmc_lvl_info lvl = {
- .wrlvl_reg_en = 1,
- .wrlvl_dl_0 = 0,
- .wrlvl_dl_1 = 0,
- .rdlvl_gt_reg_en = 1,
- .rdlvl_gt_dl_0 = 4,
- .rdlvl_gt_dl_1 = 4,
- .rdlvl_reg_en = 1,
- .rdlvl_dl_0 = 0,
- .rdlvl_dl_1 = 0,
- };
-
static const struct ddr3_jedec_timings timings = {
- .tinit = 5,
- .trst_pwron = 80000,
- .cke_inactive = 200000,
- .wrlat = 5,
- .caslat_lin = 12,
- .trc = 21,
- .trrd = 4,
- .tccd = 4,
- .tfaw = 20,
- .trp = 6,
- .twtr = 4,
- .tras_min = 15,
- .tmrd = 4,
- .trtp = 4,
- .tras_max = 28080,
- .tmod = 12,
- .tckesr = 4,
- .tcke = 3,
- .trcd_int = 6,
- .tdal = 12,
- .tdll = 512,
- .trp_ab = 6,
- .tref = 3120,
- .trfc = 44,
- .tpdex = 3,
- .txpdll = 10,
- .txsnr = 48,
- .txsr = 468,
- .cksrx = 5,
- .cksre = 5,
- .zqcl = 256,
- .zqinit = 512,
- .zqcs = 64,
- .ref_per_zq = 64,
- .aprebit = 10,
- .wlmrd = 40,
- .wldqsen = 25,
+ .tinit = 5,
+ .trst_pwron = 80000,
+ .cke_inactive = 200000,
+ .wrlat = 5,
+ .caslat_lin = 12,
+ .trc = 21,
+ .trrd = 4,
+ .tccd = 4,
+ .tbst_int_interval = 0,
+ .tfaw = 20,
+ .trp = 6,
+ .twtr = 4,
+ .tras_min = 15,
+ .tmrd = 4,
+ .trtp = 4,
+ .tras_max = 28080,
+ .tmod = 12,
+ .tckesr = 4,
+ .tcke = 3,
+ .trcd_int = 6,
+ .tras_lockout = 0,
+ .tdal = 12,
+ .bstlen = 0,
+ .tdll = 512,
+ .trp_ab = 6,
+ .tref = 3120,
+ .trfc = 44,
+ .tref_int = 0,
+ .tpdex = 3,
+ .txpdll = 10,
+ .txsnr = 48,
+ .txsr = 468,
+ .cksrx = 5,
+ .cksre = 5,
+ .freq_chg_en = 0,
+ .zqcl = 256,
+ .zqinit = 512,
+ .zqcs = 64,
+ .ref_per_zq = 64,
+ .zqcs_rotate = 0,
+ .aprebit = 10,
+ .cmd_age_cnt = 64,
+ .age_cnt = 64,
+ .q_fullness = 7,
+ .odt_rd_mapcs0 = 0,
+ .odt_wr_mapcs0 = 1,
+ .wlmrd = 40,
+ .wldqsen = 25,
};
- ddrmc_setup_iomux();
+ ddrmc_setup_iomux(NULL, 0);
- ddrmc_ctrl_init_ddr3(&timings, &lvl, 1, 3);
+ ddrmc_ctrl_init_ddr3(&timings, vf610twr_cr_settings, NULL, 1, 3);
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
return 0;