void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
struct ddrmc_lvl_info *lvl,
int col_diff, int row_diff)
{
struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR;
writel(DDRMC_CR00_DRAM_CLASS_DDR3, &ddrmr->cr[0]);
writel(DDRMC_CR02_DRAM_TINIT(timings->tinit), &ddrmr->cr[2]);
writel(DDRMC_CR10_TRST_PWRON(timings->trst_pwron), &ddrmr->cr[10]);
writel(DDRMC_CR11_CKE_INACTIVE(timings->cke_inactive), &ddrmr->cr[11]);
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]);
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]);
writel(DDRMC_CR16_TMRD(timings->tmrd) |
DDRMC_CR16_TRTP(timings->trtp), &ddrmr->cr[16]);
writel(DDRMC_CR17_TRAS_MAX(timings->tras_max) |
DDRMC_CR17_TMOD(timings->tmod), &ddrmr->cr[17]);
writel(DDRMC_CR18_TCKESR(timings->tckesr) |
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_CR22_TDAL(timings->tdal), &ddrmr->cr[22]);
writel(DDRMC_CR23_BSTLEN(3) |
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_CR29_TPDEX(timings->tpdex), &ddrmr->cr[29]);
writel(DDRMC_CR30_TXPDLL(timings->txpdll), &ddrmr->cr[30]);
writel(DDRMC_CR31_TXSNR(timings->txsnr) |
DDRMC_CR31_TXSR(timings->txsr), &ddrmr->cr[31]);
writel(DDRMC_CR33_EN_QK_SREF, &ddrmr->cr[33]);
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_CR39_PHY_INI_COM(1024) | DDRMC_CR39_PHY_INI_STA(16) |
DDRMC_CR39_FRQ_CH_DLLOFF(2), &ddrmr->cr[39]);
writel(DDRMC_CR41_PHY_INI_STRT_INI_DIS, &ddrmr->cr[41]);
writel(DDRMC_CR48_MR1_DA_0(70) |
DDRMC_CR48_MR0_DA_0(1056), &ddrmr->cr[48]);
writel(DDRMC_CR66_ZQCL(timings->zqcl) |
DDRMC_CR66_ZQINIT(timings->zqinit), &ddrmr->cr[66]);
writel(DDRMC_CR67_ZQCS(timings->zqcs), &ddrmr->cr[67]);
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_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),
&ddrmr->cr[74]);
writel(DDRMC_CR75_RW_PG_EN | DDRMC_CR75_RW_EN | DDRMC_CR75_PRI_EN |
DDRMC_CR75_PLEN, &ddrmr->cr[75]);
writel(DDRMC_CR76_NQENT_ACTDIS(3) | DDRMC_CR76_D_RW_G_BKCN(3) |
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) |
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_CR88_TODTL_CMD(4), &ddrmr->cr[88]);
writel(DDRMC_CR89_AODT_RWSMCS(2), &ddrmr->cr[89]);
writel(DDRMC_CR91_R2W_SMCSDL(2), &ddrmr->cr[91]);
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();
writel(DDRMC_CR00_DRAM_CLASS_DDR3 | DDRMC_CR00_START, &ddrmr->cr[0]);
while (!(readl(&ddrmr->cr[80]) && 0x100))
udelay(10);
}
{ 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(11), 126 },
{ DDRMC_CR132_WRLAT_ADJ(5) | DDRMC_CR132_RDLAT_ADJ(6), 132 },
{ DDRMC_CR137_PHYCTL_DL(2), 137 },
{ 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_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(0), 154 },
{ DDRMC_CR155_PAD_ODT_BYTE1(5) | DDRMC_CR155_PAD_ODT_BYTE0(5), 155 },
{ DDRMC_CR158_TWR(6), 158 },
{ DDRMC_CR161_ODT_EN(0) | DDRMC_CR161_TODTH_RD(0) |
DDRMC_CR161_TODTH_WR(6), 161 },
/* end marker */
{ 0, -1 }
};
/* PHY settings -- most of them differ from default in imx-regs.h */
#define PCM052_DDRMC_PHY_DQ_TIMING 0x00002213
#define PCM052_DDRMC_PHY_CTRL 0x00290000
#define PCM052_DDRMC_PHY_SLAVE_CTRL 0x00002c00
#define PCM052_DDRMC_PHY_PROC_PAD_ODT 0x00010020
static struct ddrmc_phy_setting pcm052_phy_settings[] = {
{ PCM052_DDRMC_PHY_DQ_TIMING, 0 },
{ PCM052_DDRMC_PHY_DQ_TIMING, 16 },
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)
{
static const struct ddr3_jedec_timings timings = {
.tinit = 5,
.trst_pwron = 80000,
.cke_inactive = 200000,
.wrlat = 5,
.caslat_lin = 12,
.trc = 21,
.trrd = 4,
