sunxi: Add H3 DRAM initialization support
Based on existing A23/A33 code and the original H3 boot0.
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index 9b7b90c..584d351 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -282,6 +282,9 @@
#define CCM_DRAMCLK_CFG_DIV_MASK (0xf << 0)
#define CCM_DRAMCLK_CFG_DIV0(x) ((x - 1) << 8)
#define CCM_DRAMCLK_CFG_DIV0_MASK (0xf << 8)
+#define CCM_DRAMCLK_CFG_SRC_PLL5 (0x0 << 20)
+#define CCM_DRAMCLK_CFG_SRC_PLL6x2 (0x1 << 20)
+#define CCM_DRAMCLK_CFG_SRC_MASK (0x3 << 20)
#define CCM_DRAMCLK_CFG_UPD (0x1 << 16)
#define CCM_DRAMCLK_CFG_RST (0x1 << 31)
diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h
index 273f80f..b3c1688 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -22,6 +22,8 @@
#include <asm/arch/dram_sun8i_a23.h>
#elif defined(CONFIG_MACH_SUN8I_A33)
#include <asm/arch/dram_sun8i_a33.h>
+#elif defined(CONFIG_MACH_SUN8I_H3)
+#include <asm/arch/dram_sun8i_h3.h>
#else
#include <asm/arch/dram_sun4i.h>
#endif
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h b/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
new file mode 100644
index 0000000..d0f2b8a
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
@@ -0,0 +1,185 @@
+/*
+ * sun8i H3 platform dram controller register and constant defines
+ *
+ * (C) Copyright 2007-2015 Allwinner Technology Co.
+ * Jerry Wang <wangflord@allwinnertech.com>
+ * (C) Copyright 2015 Vishnu Patekar <vishnupatekar0510@gmail.com>
+ * (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com>
+ * (C) Copyright 2015 Jens Kuske <jenskuske@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _SUNXI_DRAM_SUN8I_H3_H
+#define _SUNXI_DRAM_SUN8I_H3_H
+
+struct sunxi_mctl_com_reg {
+ u32 cr; /* 0x00 control register */
+ u8 res0[0xc]; /* 0x04 */
+ u32 mcr[16][2]; /* 0x10 */
+ u32 bwcr; /* 0x90 bandwidth control register */
+ u32 maer; /* 0x94 master enable register */
+ u32 mapr; /* 0x98 master priority register */
+ u32 mcgcr; /* 0x9c */
+ u32 cpu_bwcr; /* 0xa0 */
+ u32 gpu_bwcr; /* 0xa4 */
+ u32 ve_bwcr; /* 0xa8 */
+ u32 disp_bwcr; /* 0xac */
+ u32 other_bwcr; /* 0xb0 */
+ u32 total_bwcr; /* 0xb4 */
+ u8 res1[0x8]; /* 0xb8 */
+ u32 swonr; /* 0xc0 */
+ u32 swoffr; /* 0xc4 */
+ u8 res2[0x8]; /* 0xc8 */
+ u32 cccr; /* 0xd0 */
+ u8 res3[0x72c]; /* 0xd4 */
+ u32 protect; /* 0x800 */
+};
+
+#define MCTL_CR_BL8 (0x4 << 20)
+
+#define MCTL_CR_1T (0x1 << 19)
+#define MCTL_CR_2T (0x0 << 19)
+
+#define MCTL_CR_LPDDR3 (0x7 << 16)
+#define MCTL_CR_LPDDR2 (0x6 << 16)
+#define MCTL_CR_DDR3 (0x3 << 16)
+#define MCTL_CR_DDR2 (0x2 << 16)
+
+#define MCTL_CR_SEQUENTIAL (0x1 << 15)
+#define MCTL_CR_INTERLEAVED (0x0 << 15)
+
+#define MCTL_CR_32BIT (0x1 << 12)
+#define MCTL_CR_16BIT (0x0 << 12)
+#define MCTL_CR_BUS_WIDTH(x) ((x) == 32 ? MCTL_CR_32BIT : MCTL_CR_16BIT)
+
+#define MCTL_CR_PAGE_SIZE(x) ((fls(x) - 4) << 8)
+#define MCTL_CR_ROW_BITS(x) (((x) - 1) << 4)
+#define MCTL_CR_EIGHT_BANKS (0x1 << 2)
+#define MCTL_CR_FOUR_BANKS (0x0 << 2)
+#define MCTL_CR_DUAL_RANK (0x1 << 0)
+#define MCTL_CR_SINGLE_RANK (0x0 << 0)
+
+#define PROTECT_MAGIC (0x94be6fa3)
+
+struct sunxi_mctl_ctl_reg {
+ u32 pir; /* 0x00 PHY initialization register */
+ u32 pwrctl; /* 0x04 */
+ u32 mrctrl; /* 0x08 */
+ u32 clken; /* 0x0c */
+ u32 pgsr[2]; /* 0x10 PHY general status registers */
+ u32 statr; /* 0x18 */
+ u8 res1[0x14]; /* 0x1c */
+ u32 mr[4]; /* 0x30 mode registers */
+ u32 pllgcr; /* 0x40 */
+ u32 ptr[5]; /* 0x44 PHY timing registers */
+ u32 dramtmg[9]; /* 0x58 DRAM timing registers */
+ u32 odtcfg; /* 0x7c */
+ u32 pitmg[2]; /* 0x80 PHY interface timing registers */
+ u8 res2[0x4]; /* 0x88 */
+ u32 rfshctl0; /* 0x8c */
+ u32 rfshtmg; /* 0x90 refresh timing */
+ u32 rfshctl1; /* 0x94 */
+ u32 pwrtmg; /* 0x98 */
+ u8 res3[0x20]; /* 0x9c */
+ u32 dqsgmr; /* 0xbc */
+ u32 dtcr; /* 0xc0 */
+ u32 dtar[4]; /* 0xc4 */
+ u32 dtdr[2]; /* 0xd4 */
+ u32 dtmr[2]; /* 0xdc */
+ u32 dtbmr; /* 0xe4 */
+ u32 catr[2]; /* 0xe8 */
+ u32 dtedr[2]; /* 0xf0 */
+ u8 res4[0x8]; /* 0xf8 */
+ u32 pgcr[4]; /* 0x100 PHY general configuration registers */
+ u32 iovcr[2]; /* 0x110 */
+ u32 dqsdr; /* 0x118 */
+ u32 dxccr; /* 0x11c */
+ u32 odtmap; /* 0x120 */
+ u32 zqctl[2]; /* 0x124 */
+ u8 res6[0x14]; /* 0x12c */
+ u32 zqcr; /* 0x140 ZQ control register */
+ u32 zqsr; /* 0x144 ZQ status register */
+ u32 zqdr[3]; /* 0x148 ZQ data registers */
+ u8 res7[0x6c]; /* 0x154 */
+ u32 sched; /* 0x1c0 */
+ u32 perfhpr[2]; /* 0x1c4 */
+ u32 perflpr[2]; /* 0x1cc */
+ u32 perfwr[2]; /* 0x1d4 */
+ u8 res8[0x2c]; /* 0x1dc */
+ u32 aciocr; /* 0x208 */
+ u8 res9[0xf4]; /* 0x20c */
+ struct { /* 0x300 DATX8 modules*/
+ u32 mdlr; /* 0x00 */
+ u32 lcdlr[3]; /* 0x04 */
+ u32 iocr[11]; /* 0x10 IO configuration register */
+ u32 bdlr6; /* 0x3c */
+ u32 gtr; /* 0x40 */
+ u32 gcr; /* 0x44 */
+ u32 gsr[3]; /* 0x48 */
+ u8 res0[0x2c]; /* 0x54 */
+ } datx[4];
+ u8 res10[0x388]; /* 0x500 */
+ u32 upd2; /* 0x888 */
+};
+
+#define PTR3_TDINIT1(x) ((x) << 20)
+#define PTR3_TDINIT0(x) ((x) << 0)
+
+#define PTR4_TDINIT3(x) ((x) << 20)
+#define PTR4_TDINIT2(x) ((x) << 0)
+
+#define DRAMTMG0_TWTP(x) ((x) << 24)
+#define DRAMTMG0_TFAW(x) ((x) << 16)
+#define DRAMTMG0_TRAS_MAX(x) ((x) << 8)
+#define DRAMTMG0_TRAS(x) ((x) << 0)
+
+#define DRAMTMG1_TXP(x) ((x) << 16)
+#define DRAMTMG1_TRTP(x) ((x) << 8)
+#define DRAMTMG1_TRC(x) ((x) << 0)
+
+#define DRAMTMG2_TCWL(x) ((x) << 24)
+#define DRAMTMG2_TCL(x) ((x) << 16)
+#define DRAMTMG2_TRD2WR(x) ((x) << 8)
+#define DRAMTMG2_TWR2RD(x) ((x) << 0)
+
+#define DRAMTMG3_TMRW(x) ((x) << 16)
+#define DRAMTMG3_TMRD(x) ((x) << 12)
+#define DRAMTMG3_TMOD(x) ((x) << 0)
+
+#define DRAMTMG4_TRCD(x) ((x) << 24)
+#define DRAMTMG4_TCCD(x) ((x) << 16)
+#define DRAMTMG4_TRRD(x) ((x) << 8)
+#define DRAMTMG4_TRP(x) ((x) << 0)
+
+#define DRAMTMG5_TCKSRX(x) ((x) << 24)
+#define DRAMTMG5_TCKSRE(x) ((x) << 16)
+#define DRAMTMG5_TCKESR(x) ((x) << 8)
+#define DRAMTMG5_TCKE(x) ((x) << 0)
+
+#define RFSHTMG_TREFI(x) ((x) << 16)
+#define RFSHTMG_TRFC(x) ((x) << 0)
+
+#define PIR_CLRSR (0x1 << 27) /* clear status registers */
+#define PIR_QSGATE (0x1 << 10) /* Read DQS gate training */
+#define PIR_DRAMINIT (0x1 << 8) /* DRAM initialization */
+#define PIR_DRAMRST (0x1 << 7) /* DRAM reset */
+#define PIR_PHYRST (0x1 << 6) /* PHY reset */
+#define PIR_DCAL (0x1 << 5) /* DDL calibration */
+#define PIR_PLLINIT (0x1 << 4) /* PLL initialization */
+#define PIR_ZCAL (0x1 << 1) /* ZQ calibration */
+#define PIR_INIT (0x1 << 0) /* PHY initialization trigger */
+
+#define PGSR_INIT_DONE (0x1 << 0) /* PHY init done */
+
+#define ZQCR_PWRDOWN (0x1 << 31) /* ZQ power down */
+
+#define DATX_IOCR_DQ(x) (x) /* DQ0-7 IOCR index */
+#define DATX_IOCR_DM (8) /* DM IOCR index */
+#define DATX_IOCR_DQS (9) /* DQS IOCR index */
+#define DATX_IOCR_DQSN (10) /* DQSN IOCR index */
+
+#define DATX_IOCR_WRITE_DELAY(x) ((x) << 8)
+#define DATX_IOCR_READ_DELAY(x) ((x) << 0)
+
+#endif /* _SUNXI_DRAM_SUN8I_H3_H */