feat(drivers/rcar3): ddr: add function to judge a DDR rank
This commit adds the function to change the settings used for DDR
initialization depending on the board ID and DDR rank.
Signed-off-by: Toshiyuki Ogasahara <toshiyuki.ogasahara.bo@hitachi.com>
Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
Change-Id: I94d550cea620748f5b15499fed1b791a69d61592
diff --git a/drivers/renesas/common/ddr/ddr_b/boot_init_dram_config.c b/drivers/renesas/common/ddr/ddr_b/boot_init_dram_config.c
index 45b6b08..bbb0200 100644
--- a/drivers/renesas/common/ddr/ddr_b/boot_init_dram_config.c
+++ b/drivers/renesas/common/ddr/ddr_b/boot_init_dram_config.c
@@ -12,6 +12,9 @@
#if (RZG_SOC == 1)
#define BOARDNUM 4
#else
+
+#include <board.h>
+
#define BOARDNUM 22
#endif /* RZG_SOC == 1 */
#define BOARD_JUDGE_AUTO
@@ -1967,6 +1970,44 @@
}
#endif /* RZG_SOC == 1 */
+#if (RZG_SOC == 0) && (RCAR_DRAM_LPDDR4_MEMCONF != 0)
+static uint32_t ddr_rank_judge(void)
+{
+ uint32_t brd;
+
+#if (RCAR_DRAM_MEMRANK == 0)
+ int32_t ret;
+ uint32_t type = 0U;
+ uint32_t rev = 0U;
+
+ brd = 99U;
+ ret = rcar_get_board_type(&type, &rev);
+ if ((ret == 0) && (rev != 0xFFU)) {
+ if (type == (uint32_t)BOARD_SALVATOR_XS) {
+ if (rev == 0x11U) {
+ brd = 14U;
+ } else {
+ brd = 8U;
+ }
+ } else if (type == (uint32_t)BOARD_STARTER_KIT_PRE) {
+ if (rev == 0x21U) {
+ brd = 14U;
+ } else {
+ brd = 8U;
+ }
+ }
+ }
+#elif (RCAR_DRAM_MEMRANK == 1)
+ brd = 14U;
+#elif (RCAR_DRAM_MEMRANK == 2)
+ brd = 8U;
+#else
+#error Invalid value was set to RCAR_DRAM_MEMRANK
+#endif /* (RCAR_DRAM_MEMRANK == 0) */
+ return brd;
+}
+#endif /* (RCAR_DRAM_LPDDR4_MEMCONF != 0) */
+
static uint32_t _board_judge(void)
{
uint32_t brd;
@@ -1985,7 +2026,7 @@
#if (RCAR_DRAM_LPDDR4_MEMCONF == 0)
brd = 7;
#else
- brd = 8;
+ brd = ddr_rank_judge();
#endif
}
} else if (prr_product == PRR_PRODUCT_M3) {
@@ -2039,7 +2080,7 @@
#if (RCAR_DRAM_LPDDR4_MEMCONF == 0)
brd = 7;
#else
- brd = 8;
+ brd = ddr_rank_judge();
#endif
}
} else if (prr_product == PRR_PRODUCT_M3N) {