feat(imx8m): move the gpc reg & macro to a separate header file
move the gpc reg offset, bit define & macro to a separate header
file for code reuse.
This fixes suspend to mem on i.MX8M Plus too, since the register
layout is different there.
Change-Id: Ibec60c3a68ffa8c378de5334577a7b0e463ca875
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Marek Vasut <marex@denx.de> # Upgrade to latest, update commit message
diff --git a/plat/imx/imx8m/ddr/dram_retention.c b/plat/imx/imx8m/ddr/dram_retention.c
index 983f6e2..d98a37e 100644
--- a/plat/imx/imx8m/ddr/dram_retention.c
+++ b/plat/imx/imx8m/ddr/dram_retention.c
@@ -8,14 +8,12 @@
#include <lib/mmio.h>
#include <dram.h>
+#include <gpc_reg.h>
#include <platform_def.h>
#define SRC_DDR1_RCR (IMX_SRC_BASE + 0x1000)
#define SRC_DDR2_RCR (IMX_SRC_BASE + 0x1004)
-#define PU_PGC_UP_TRG 0xf8
-#define PU_PGC_DN_TRG 0x104
-#define GPC_PU_PWRHSK (IMX_GPC_BASE + 0x01FC)
#define CCM_SRC_CTRL_OFFSET (IMX_CCM_BASE + 0x800)
#define CCM_CCGR_OFFSET (IMX_CCM_BASE + 0x4000)
#define CCM_TARGET_ROOT_OFFSET (IMX_CCM_BASE + 0x8000)
@@ -102,21 +100,12 @@
}
dwc_ddrphy_apb_wr(0xd0000, 0x1);
-#if defined(PLAT_imx8mq)
- /* pwrdnreqn_async adbm/adbs of ddr */
- mmio_clrbits_32(GPC_PU_PWRHSK, BIT(1));
- while (mmio_read_32(GPC_PU_PWRHSK) & BIT(18)) {
- ;
- }
- mmio_setbits_32(GPC_PU_PWRHSK, BIT(1));
-#else
/* pwrdnreqn_async adbm/adbs of ddr */
- mmio_clrbits_32(GPC_PU_PWRHSK, BIT(2));
- while (mmio_read_32(GPC_PU_PWRHSK) & BIT(20)) {
+ mmio_clrbits_32(IMX_GPC_BASE + GPC_PU_PWRHSK, DDRMIX_ADB400_SYNC);
+ while (mmio_read_32(IMX_GPC_BASE + GPC_PU_PWRHSK) & DDRMIX_ADB400_ACK)
;
- }
- mmio_setbits_32(GPC_PU_PWRHSK, BIT(2));
-#endif
+ mmio_setbits_32(IMX_GPC_BASE + GPC_PU_PWRHSK, DDRMIX_ADB400_SYNC);
+
/* remove PowerOk */
mmio_write_32(SRC_DDR1_RCR, 0x8F000008);
@@ -124,8 +113,8 @@
mmio_write_32(CCM_SRC_CTRL(15), 2);
/* enable the phy iso */
- mmio_setbits_32(IMX_GPC_BASE + 0xd40, 1);
- mmio_setbits_32(IMX_GPC_BASE + PU_PGC_DN_TRG, BIT(5));
+ mmio_setbits_32(IMX_GPC_BASE + DDRMIX_PGC, 1);
+ mmio_setbits_32(IMX_GPC_BASE + PU_PGC_DN_TRG, DDRMIX_PWR_REQ);
VERBOSE("dram enter retention\n");
}
@@ -150,7 +139,7 @@
mmio_write_32(CCM_TARGET_ROOT(65) + 0x4, (0x4 << 24) | (0x3 << 16));
/* disable iso */
- mmio_setbits_32(IMX_GPC_BASE + PU_PGC_UP_TRG, BIT(5));
+ mmio_setbits_32(IMX_GPC_BASE + PU_PGC_UP_TRG, DDRMIX_PWR_REQ);
mmio_write_32(SRC_DDR1_RCR, 0x8F000006);
/* wait dram pll locked */