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path: root/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c
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Diffstat (limited to 'drivers/renesas/common/ddr/ddr_b/boot_init_dram.c')
-rw-r--r--drivers/renesas/common/ddr/ddr_b/boot_init_dram.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c b/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c
index aa3bc245b7..3f6a9484de 100644
--- a/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c
+++ b/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2021, Renesas Electronics Corporation.
+ * Copyright (c) 2015-2023, Renesas Electronics Corporation.
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
@@ -1180,6 +1180,11 @@ static void regif_pll_wa(void)
ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET,
_reg_PHY_LP4_BOOT_TOP_PLL_CTRL
));
+ if (ddrtbl_getval(_cnf_DDR_PHY_ADR_G_REGSET, _reg_PHY_LP4_BOOT_LOW_FREQ_SEL)) {
+ reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_LP4_BOOT_LOW_FREQ_SEL),
+ _cnf_DDR_PHY_ADR_G_REGSET[0x7f & ddr_regdef_adr(
+ _reg_PHY_LP4_BOOT_LOW_FREQ_SEL)]);
+ }
}
reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_LPDDR3_CS),
@@ -2856,6 +2861,16 @@ static uint32_t pll3_freq(uint32_t on)
timeout = wait_freqchgreq(1);
+ if ((!((prr_product == PRR_PRODUCT_H3) && (prr_cut <= PRR_PRODUCT_11))) && (on)) {
+ if (((1600U * ddr_mbpsdiv) < ddr_mbps) || (prr_product == PRR_PRODUCT_M3)) {
+ reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_CTRL), 0x01421142U);
+ reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_CTRL_CA), 0x00000142U);
+ } else {
+ reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_CTRL), 0x03421342U);
+ reg_ddrphy_write_a(ddr_regdef_adr(_reg_PHY_PLL_CTRL_CA), 0x00000342U);
+ }
+ }
+
if (timeout) {
return 1;
}
@@ -4147,7 +4162,13 @@ int32_t rcar_dram_init(void)
}
/* THCTR Bit6: PONM=0 , Bit0: THSST=0 */
- data_l = mmio_read_32(THS1_THCTR) & 0xFFFFFFBE;
+ data_l = mmio_read_32(THS1_THCTR);
+ if (data_l & 0x00000040U) {
+ data_l = data_l & 0xFFFFFFBEU;
+ } else {
+ data_l = data_l | BIT(1);
+ }
+
mmio_write_32(THS1_THCTR, data_l);
/* Judge product and cut */