sunxi: Add a33 dram init code
Based on Allwinner dram init code from the a33 bsp:
https://github.com/allwinner-zh/bootloader/blob/master/basic_loader/bsp/bsp_for_a33/init_dram/mctl_hal.c
Initial u-boot port by Vishnu Patekar, major cleanup / rewrite by
Hans de Goede.
Signed-off-by: Vishnu Patekar <vishnupatekar0510@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h
index bb96cc5..273f80f 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -20,6 +20,8 @@
#include <asm/arch/dram_sun6i.h>
#elif defined(CONFIG_MACH_SUN8I_A23)
#include <asm/arch/dram_sun8i_a23.h>
+#elif defined(CONFIG_MACH_SUN8I_A33)
+#include <asm/arch/dram_sun8i_a33.h>
#else
#include <asm/arch/dram_sun4i.h>
#endif
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h b/arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h
new file mode 100644
index 0000000..afe6dc8
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/dram_sun8i_a33.h
@@ -0,0 +1,179 @@
+/*
+ * Sun8i 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>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _SUNXI_DRAM_SUN8I_A33_H
+#define _SUNXI_DRAM_SUN8I_A33_H
+
+struct sunxi_mctl_com_reg {
+ u32 cr; /* 0x00 */
+ u32 ccr; /* 0x04 controller configuration register */
+ u32 dbgcr; /* 0x08 */
+ u8 res0[0x4]; /* 0x0c */
+ u32 mcr0_0; /* 0x10 */
+ u32 mcr1_0; /* 0x14 */
+ u32 mcr0_1; /* 0x18 */
+ u32 mcr1_1; /* 0x1c */
+ u32 mcr0_2; /* 0x20 */
+ u32 mcr1_2; /* 0x24 */
+ u32 mcr0_3; /* 0x28 */
+ u32 mcr1_3; /* 0x2c */
+ u32 mcr0_4; /* 0x30 */
+ u32 mcr1_4; /* 0x34 */
+ u32 mcr0_5; /* 0x38 */
+ u32 mcr1_5; /* 0x3c */
+ u32 mcr0_6; /* 0x40 */
+ u32 mcr1_6; /* 0x44 */
+ u32 mcr0_7; /* 0x48 */
+ u32 mcr1_7; /* 0x4c */
+ u32 mcr0_8; /* 0x50 */
+ u32 mcr1_8; /* 0x54 */
+ u32 mcr0_9; /* 0x58 */
+ u32 mcr1_9; /* 0x5c */
+ u32 mcr0_10; /* 0x60 */
+ u32 mcr1_10; /* 0x64 */
+ u32 mcr0_11; /* 0x68 */
+ u32 mcr1_11; /* 0x6c */
+ u32 mcr0_12; /* 0x70 */
+ u32 mcr1_12; /* 0x74 */
+ u32 mcr0_13; /* 0x78 */
+ u32 mcr1_13; /* 0x7c */
+ u32 mcr0_14; /* 0x80 */
+ u32 mcr1_14; /* 0x84 */
+ u32 mcr0_15; /* 0x88 */
+ u32 mcr1_15; /* 0x8c */
+ u32 bwcr; /* 0x90 */
+ u32 maer; /* 0x94 */
+ u32 mapr; /* 0x98 */
+ u32 mcgcr; /* 0x9c */
+ u32 bwctr; /* 0xa0 */
+ u8 res2[0x8]; /* 0xa4 */
+ u32 swoffr; /* 0xac */
+ u8 res3[0x10]; /* 0xb0 */
+ u32 swonr; /* 0xc0 */
+ u8 res4[0x3c]; /* 0xc4 */
+ u32 mdfscr; /* 0x100 */
+ u32 mdfsmer; /* 0x104 */
+};
+
+struct sunxi_mctl_ctl_reg {
+ u32 pir; /* 0x00 */
+ u32 pwrctl; /* 0x04 */
+ u32 mrctrl0; /* 0x08 */
+ u32 clken; /* 0x0c */
+ u32 pgsr0; /* 0x10 */
+ u32 pgsr1; /* 0x14 */
+ u32 statr; /* 0x18 */
+ u8 res1[0x14]; /* 0x1c */
+ u32 mr0; /* 0x30 */
+ u32 mr1; /* 0x34 */
+ u32 mr2; /* 0x38 */
+ u32 mr3; /* 0x3c */
+ u32 pllgcr; /* 0x40 */
+ u32 ptr0; /* 0x44 */
+ u32 ptr1; /* 0x48 */
+ u32 ptr2; /* 0x4c */
+ u32 ptr3; /* 0x50 */
+ u32 ptr4; /* 0x54 */
+ u32 dramtmg0; /* 0x58 dram timing parameters register 0 */
+ u32 dramtmg1; /* 0x5c dram timing parameters register 1 */
+ u32 dramtmg2; /* 0x60 dram timing parameters register 2 */
+ u32 dramtmg3; /* 0x64 dram timing parameters register 3 */
+ u32 dramtmg4; /* 0x68 dram timing parameters register 4 */
+ u32 dramtmg5; /* 0x6c dram timing parameters register 5 */
+ u32 dramtmg6; /* 0x70 dram timing parameters register 6 */
+ u32 dramtmg7; /* 0x74 dram timing parameters register 7 */
+ u32 dramtmg8; /* 0x78 dram timing parameters register 8 */
+ u32 odtcfg; /* 0x7c */
+ u32 pitmg0; /* 0x80 */
+ u32 pitmg1; /* 0x84 */
+ u8 res2[0x4]; /* 0x88 */
+ u32 rfshctl0; /* 0x8c */
+ u32 rfshtmg; /* 0x90 */
+ u32 rfshctl1; /* 0x94 */
+ u32 pwrtmg; /* 0x98 */
+ u8 res3[0x20]; /* 0x9c */
+ u32 dqsgmr; /* 0xbc */
+ u32 dtcr; /* 0xc0 */
+ u32 dtar0; /* 0xc4 */
+ u32 dtar1; /* 0xc8 */
+ u32 dtar2; /* 0xcc */
+ u32 dtar3; /* 0xd0 */
+ u32 dtdr0; /* 0xd4 */
+ u32 dtdr1; /* 0xd8 */
+ u32 dtmr0; /* 0xdc */
+ u32 dtmr1; /* 0xe0 */
+ u32 dtbmr; /* 0xe4 */
+ u32 catr0; /* 0xe8 */
+ u32 catr1; /* 0xec */
+ u32 dtedr0; /* 0xf0 */
+ u32 dtedr1; /* 0xf4 */
+ u8 res4[0x8]; /* 0xf8 */
+ u32 pgcr0; /* 0x100 */
+ u32 pgcr1; /* 0x104 */
+ u32 pgcr2; /* 0x108 */
+ u8 res5[0x4]; /* 0x10c */
+ u32 iovcr0; /* 0x110 */
+ u32 iovcr1; /* 0x114 */
+ u32 dqsdr; /* 0x118 */
+ u32 dxccr; /* 0x11c */
+ u32 odtmap; /* 0x120 */
+ u32 zqctl0; /* 0x124 */
+ u32 zqctl1; /* 0x128 */
+ u8 res6[0x14]; /* 0x12c */
+ u32 zqcr0; /* 0x140 zq control register 0 */
+ u32 zqcr1; /* 0x144 zq control register 1 */
+ u32 zqcr2; /* 0x148 zq control register 2 */
+ u32 zqsr0; /* 0x14c zq status register 0 */
+ u32 zqsr1; /* 0x150 zq status register 1 */
+ u8 res7[0x6c]; /* 0x154 */
+ u32 sched; /* 0x1c0 */
+ u32 perfhpr0; /* 0x1c4 */
+ u32 perfhpr1; /* 0x1c8 */
+ u32 perflpr0; /* 0x1cc */
+ u32 perflpr1; /* 0x1d0 */
+ u32 perfwr0; /* 0x1d4 */
+ u32 perfwr1; /* 0x1d8 */
+};
+
+#define DXnGTR(x) (SUNXI_DRAM_CTL0_BASE + 0x00000340 + 0x80 * x)
+#define DXnGCR0(x) (SUNXI_DRAM_CTL0_BASE + 0x00000344 + 0x80 * x)
+#define DXnGSR0(x) (SUNXI_DRAM_CTL0_BASE + 0x00000348 + 0x80 * x)
+#define DXnGSR1(x) (SUNXI_DRAM_CTL0_BASE + 0x0000034c + 0x80 * x)
+#define DXnGSR2(x) (SUNXI_DRAM_CTL0_BASE + 0x00000350 + 0x80 * x)
+
+/*
+ * DRAM common (sunxi_mctl_com_reg) register constants.
+ */
+#define MCTL_CR_RANK_MASK (3 << 0)
+#define MCTL_CR_RANK(x) (((x) - 1) << 0)
+#define MCTL_CR_BANK_MASK (3 << 2)
+#define MCTL_CR_BANK(x) ((x) << 2)
+#define MCTL_CR_ROW_MASK (0xf << 4)
+#define MCTL_CR_ROW(x) (((x) - 1) << 4)
+#define MCTL_CR_PAGE_SIZE_MASK (0xf << 8)
+#define MCTL_CR_PAGE_SIZE(x) ((fls(x) - 4) << 8)
+#define MCTL_CR_BUSW_MASK (7 << 12)
+#define MCTL_CR_BUSW8 (0 << 12)
+#define MCTL_CR_BUSW16 (1 << 12)
+#define MCTL_CR_SEQUENCE (1 << 15)
+#define MCTL_CR_DDR3 (3 << 16)
+#define MCTL_CR_CHANNEL_MASK (1 << 19)
+#define MCTL_CR_CHANNEL(x) (((x) - 1) << 19)
+#define MCTL_CR_UNKNOWN (0x4 << 20)
+#define MCTL_CR_CS1_CONTROL(x) ((x) << 24)
+
+/* DRAM control (sunxi_mctl_ctl_reg) register constants */
+#define MCTL_MR0 0x1c70 /* CL=11, WR=12 */
+#define MCTL_MR1 0x40
+#define MCTL_MR2 0x18 /* CWL=8 */
+#define MCTL_MR3 0x0
+
+#endif /* _SUNXI_DRAM_SUN8I_A33_H */