rcar_gen3: drivers: ddr: Update DDR setting for H3, M3, M3N
[IPL/DDR]
- Update H3, M3, M3N DDR setting rev.0.39.
Signed-off-by: Chiaki Fujii <chiaki.fujii.wj@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> # upstream update
Change-Id: I0dbf8091f9de9bb6d2d4f94007a5813fff14789f
diff --git a/drivers/renesas/rcar/ddr/ddr_b/boot_init_dram.c b/drivers/renesas/rcar/ddr/ddr_b/boot_init_dram.c
index 77a07f7..1234fb6 100644
--- a/drivers/renesas/rcar/ddr/ddr_b/boot_init_dram.c
+++ b/drivers/renesas/rcar/ddr/ddr_b/boot_init_dram.c
@@ -510,6 +510,14 @@
dsb_sev();
}
+static void dbwait_loop(uint32_t wait_loop)
+{
+ uint32_t i;
+
+ for (i = 0; i < wait_loop; i++)
+ wait_dbcmd();
+}
+
/* DDRPHY register access (raw) */
static uint32_t reg_ddrphy_read(uint32_t phyno, uint32_t regadd)
{
@@ -866,6 +874,7 @@
uint8_t WL;
uint8_t nwr;
uint8_t nrtp;
+ uint8_t odtlon;
uint8_t MR1;
uint8_t MR2;
};
@@ -877,21 +886,21 @@
#define JS1_MR2(f) (0x00 | ((f) << 3) | (f))
const struct _jedec_spec1 js1[JS1_FREQ_TBL_NUM] = {
/* 533.333Mbps */
- { 800, 6, 6, 4, 6, 8, JS1_MR1(0), JS1_MR2(0) | 0x40 },
+ { 800, 6, 6, 4, 6, 8, 0, JS1_MR1(0), JS1_MR2(0) | 0x40 },
/* 1066.666Mbps */
- { 1600, 10, 12, 8, 10, 8, JS1_MR1(1), JS1_MR2(1) | 0x40 },
+ { 1600, 10, 12, 8, 10, 8, 0, JS1_MR1(1), JS1_MR2(1) | 0x40 },
/* 1600.000Mbps */
- { 2400, 14, 16, 12, 16, 8, JS1_MR1(2), JS1_MR2(2) | 0x40 },
+ { 2400, 14, 16, 12, 16, 8, 6, JS1_MR1(2), JS1_MR2(2) | 0x40 },
/* 2133.333Mbps */
- { 3200, 20, 22, 10, 20, 8, JS1_MR1(3), JS1_MR2(3) },
+ { 3200, 20, 22, 10, 20, 8, 4, JS1_MR1(3), JS1_MR2(3) },
/* 2666.666Mbps */
- { 4000, 24, 28, 12, 24, 10, JS1_MR1(4), JS1_MR2(4) },
+ { 4000, 24, 28, 12, 24, 10, 4, JS1_MR1(4), JS1_MR2(4) },
/* 3200.000Mbps */
- { 4800, 28, 32, 14, 30, 12, JS1_MR1(5), JS1_MR2(5) },
+ { 4800, 28, 32, 14, 30, 12, 6, JS1_MR1(5), JS1_MR2(5) },
/* 3733.333Mbps */
- { 5600, 32, 36, 16, 34, 14, JS1_MR1(6), JS1_MR2(6) },
+ { 5600, 32, 36, 16, 34, 14, 6, JS1_MR1(6), JS1_MR2(6) },
/* 4266.666Mbps */
- { 6400, 36, 40, 18, 40, 16, JS1_MR1(7), JS1_MR2(7) }
+ { 6400, 36, 40, 18, 40, 16, 8, JS1_MR1(7), JS1_MR2(7) }
};
struct _jedec_spec2 {
@@ -921,7 +930,8 @@
#define js2_tzqcalns 19
#define js2_tzqlat 20
#define js2_tiedly 21
-#define JS2_TBLCNT 22
+#define js2_tODTon_min 22
+#define JS2_TBLCNT 23
#define js2_trcpb (JS2_TBLCNT)
#define js2_trcab (JS2_TBLCNT + 1)
@@ -954,7 +964,8 @@
/*tMRD*/ {14000, 10},
/*tZQCALns*/ {1000 * 10, 0},
/*tZQLAT*/ {30000, 10},
-/*tIEdly*/ {12500, 0}
+/*tIEdly*/ {12500, 0},
+/*tODTon_min*/ {1500, 0}
}, {
/*tSR */ {15000, 3},
/*tXP */ {7500, 3},
@@ -977,7 +988,8 @@
/*tMRD*/ {14000, 10},
/*tZQCALns*/ {1000 * 10, 0},
/*tZQLAT*/ {30000, 10},
-/*tIEdly*/ {12500, 0}
+/*tIEdly*/ {12500, 0},
+/*tODTon_min*/ {1500, 0}
}
};
@@ -1452,7 +1464,7 @@
if ((prr_product == PRR_PRODUCT_M3N) ||
(prr_product == PRR_PRODUCT_V3H)) {
ddrtbl_setval(_cnf_DDR_PHY_SLICE_REGSET,
- _reg_PHY_RDDATA_EN_OE_DLY, dataS);
+ _reg_PHY_RDDATA_EN_OE_DLY, dataS - 2);
}
ddrtbl_setval(_cnf_DDR_PI_REGSET, _reg_PI_RDLAT_ADJ_F1, RL - dataS);
@@ -1498,9 +1510,10 @@
/* DDRPHY INT START */
if ((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11)) {
- /* non */
+ /* non */
} else {
regif_pll_wa();
+ dbwait_loop(5);
}
/* FREQ_SEL_MULTICAST & PER_CS_TRAINING_MULTICAST SET (for safety) */
@@ -2067,12 +2080,18 @@
/* DBTR9.TRDPR : tRTP */
mmio_write_32(DBSC_DBTR(9), js2[js2_trtp]);
- /* DBTR10.TWR : nwr */
- mmio_write_32(DBSC_DBTR(10), js1[js1_ind].nwr);
+ /* DBTR10.TWR : nWR + 1 */
+ mmio_write_32(DBSC_DBTR(10), js1[js1_ind].nwr + 1);
- /* DBTR11.TRDWR : RL + tDQSCK + BL/2 + Rounddown(tRPST) - WL + tWPRE */
+ /*
+ * DBTR11.TRDWR : RL + BL / 2 + Rounddown(tRPST) + PHY_ODTLoff -
+ * odtlon + tDQSCK - tODTon,min +
+ * PCB delay (out+in) + tPHY_ODToff
+ */
mmio_write_32(DBSC_DBTR(11),
- RL + js2[js2_tdqsck] + (16 / 2) + 1 - WL + 2 + 2);
+ RL + (16 / 2) + 1 + 2 - js1[js1_ind].odtlon +
+ js2[js2_tdqsck] - js2[js2_tODTon_min] +
+ _f_scale(ddr_mbps, ddr_mbpsdiv, 1300, 0));
/* DBTR12.TWRRD : WL + 1 + BL/2 + tWTR */
data_l = WL + 1 + (16 / 2) + js2[js2_twtr];
@@ -2338,10 +2357,23 @@
}
}
if ((prr_product == PRR_PRODUCT_H3) && (prr_cut > PRR_PRODUCT_11)) {
+#if RCAR_DRAM_SPLIT == 2
+ if (board_cnf->phyvalid == 0x05) {
+ mmio_write_32(DBSC_DBTR(24),
+ (rdlat_max << 24) + (rdlat_min << 16) +
+ mmio_read_32(DBSC_DBTR(24)));
+ } else {
+ mmio_write_32(DBSC_DBTR(24),
+ ((rdlat_max * 2 - rdlat_min + 4) << 24) +
+ ((rdlat_min + 2) << 16) +
+ mmio_read_32(DBSC_DBTR(24)));
+ }
+#else /*RCAR_DRAM_SPLIT == 2 */
mmio_write_32(DBSC_DBTR(24),
((rdlat_max * 2 - rdlat_min + 4) << 24) +
((rdlat_min + 2) << 16) +
mmio_read_32(DBSC_DBTR(24)));
+#endif /*RCAR_DRAM_SPLIT == 2 */
} else {
mmio_write_32(DBSC_DBTR(24),
((rdlat_max + 2) << 24) +
@@ -3474,10 +3506,13 @@
{
uint32_t err, retry_cnt;
const uint32_t retry_max = 0x10;
- uint32_t ch, ddr_csn, mr14_bkup[4][4];
+ uint32_t datal, ch, ddr_csn, mr14_bkup[4][4];
+
+ datal = RL + js2[js2_tdqsck] + (16 / 2) + 1 - WL + 2 + 2 + 19;
+ if ((mmio_read_32(DBSC_DBTR(11)) & 0xFF) > datal)
+ datal = mmio_read_32(DBSC_DBTR(11)) & 0xFF;
+ ddr_setval_ach(_reg_PI_TDFI_WDQLVL_RW, datal);
- ddr_setval_ach(_reg_PI_TDFI_WDQLVL_RW,
- (mmio_read_32(DBSC_DBTR(11)) & 0xFF) + 19);
if (((prr_product == PRR_PRODUCT_H3) && (prr_cut > PRR_PRODUCT_11)) ||
(prr_product == PRR_PRODUCT_M3N) ||
(prr_product == PRR_PRODUCT_V3H)) {