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-rw-r--r--arch/arm/include/asm/arch-sunxi/clock.h1
-rw-r--r--arch/arm/include/asm/arch-sunxi/clock_sun4i.h3
-rw-r--r--arch/arm/include/asm/arch-sunxi/clock_sun6i.h38
-rw-r--r--arch/arm/include/asm/arch-sunxi/cpu.h19
-rw-r--r--arch/arm/include/asm/arch-sunxi/cpucfg_sun6i.h67
-rw-r--r--arch/arm/include/asm/arch-sunxi/dram.h171
-rw-r--r--arch/arm/include/asm/arch-sunxi/dram_sun4i.h182
-rw-r--r--arch/arm/include/asm/arch-sunxi/dram_sun6i.h359
-rw-r--r--arch/arm/include/asm/arch-sunxi/gpio.h3
-rw-r--r--arch/arm/include/asm/arch-sunxi/p2wi.h140
-rw-r--r--arch/arm/include/asm/arch-sunxi/prcm.h1
11 files changed, 814 insertions, 170 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h
index 42382a8ae2..b40c16b6e7 100644
--- a/arch/arm/include/asm/arch-sunxi/clock.h
+++ b/arch/arm/include/asm/arch-sunxi/clock.h
@@ -25,6 +25,7 @@
int clock_init(void);
int clock_twi_onoff(int port, int state);
void clock_set_pll1(unsigned int hz);
+void clock_set_pll5(unsigned int hz);
unsigned int clock_get_pll5p(void);
unsigned int clock_get_pll6(void);
void clock_init_safe(void);
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
index 90af8e2506..9dca800d78 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
@@ -262,5 +262,8 @@ struct sunxi_ccm_reg {
#define CCM_USB_CTRL_PHY1_RST (0x1 << 1)
#define CCM_USB_CTRL_PHY2_RST (0x1 << 2)
#define CCM_USB_CTRL_PHYGATE (0x1 << 8)
+/* These 2 are sun6i only, define them as 0 on sun4i */
+#define CCM_USB_CTRL_PHY1_CLK 0
+#define CCM_USB_CTRL_PHY2_CLK 0
#endif /* _SUNXI_CLOCK_SUN4I_H */
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index 1397b35889..e16a7647ed 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -170,7 +170,17 @@ struct sunxi_ccm_reg {
#define CPU_CLK_SRC_OSC24M 1
#define CPU_CLK_SRC_PLL1 2
-#define PLL1_CFG_DEFAULT 0x90011b21
+#define CCM_PLL1_CTRL_M(n) ((((n) - 1) & 0x3) << 0)
+#define CCM_PLL1_CTRL_K(n) ((((n) - 1) & 0x3) << 4)
+#define CCM_PLL1_CTRL_N(n) ((((n) - 1) & 0x1f) << 8)
+#define CCM_PLL1_CTRL_MAGIC (0x1 << 16)
+#define CCM_PLL1_CTRL_EN (0x1 << 31)
+
+#define CCM_PLL5_CTRL_M(n) ((((n) - 1) & 0x3) << 0)
+#define CCM_PLL5_CTRL_K(n) ((((n) - 1) & 0x3) << 4)
+#define CCM_PLL5_CTRL_N(n) ((((n) - 1) & 0x1f) << 8)
+#define CCM_PLL5_CTRL_UPD (0x1 << 20)
+#define CCM_PLL5_CTRL_EN (0x1 << 31)
#define PLL6_CFG_DEFAULT 0x90041811
@@ -179,6 +189,15 @@ struct sunxi_ccm_reg {
#define CCM_PLL6_CTRL_K_SHIFT 4
#define CCM_PLL6_CTRL_K_MASK (0x3 << CCM_PLL6_CTRL_K_SHIFT)
+#define AHB1_ABP1_DIV_DEFAULT 0x00002020
+
+#define AXI_GATE_OFFSET_DRAM 0
+
+#define AHB_GATE_OFFSET_USB_OHCI1 30
+#define AHB_GATE_OFFSET_USB_OHCI0 29
+#define AHB_GATE_OFFSET_USB_EHCI1 27
+#define AHB_GATE_OFFSET_USB_EHCI0 26
+#define AHB_GATE_OFFSET_MCTL 14
#define AHB_GATE_OFFSET_MMC3 11
#define AHB_GATE_OFFSET_MMC2 10
#define AHB_GATE_OFFSET_MMC1 9
@@ -190,6 +209,23 @@ struct sunxi_ccm_reg {
#define CCM_MMC_CTRL_ENABLE (0x1 << 31)
+#define CCM_USB_CTRL_PHY1_RST (0x1 << 1)
+#define CCM_USB_CTRL_PHY2_RST (0x1 << 2)
+/* There is no global phy clk gate on sun6i, define as 0 */
+#define CCM_USB_CTRL_PHYGATE 0
+#define CCM_USB_CTRL_PHY1_CLK (0x1 << 9)
+#define CCM_USB_CTRL_PHY2_CLK (0x1 << 10)
+
+#define MDFS_CLK_DEFAULT 0x81000002 /* PLL6 / 3 */
+
+#define CCM_DRAMCLK_CFG_DIV0(x) ((x - 1) << 8)
+#define CCM_DRAMCLK_CFG_DIV0_MASK (0xf << 8)
+#define CCM_DRAMCLK_CFG_UPD (0x1 << 16)
+#define CCM_DRAMCLK_CFG_RST (0x1 << 31)
+
+#define MBUS_CLK_DEFAULT 0x81000001 /* PLL6 / 2 */
+
+#define AHB_RESET_OFFSET_MCTL 14
#define AHB_RESET_OFFSET_MMC3 11
#define AHB_RESET_OFFSET_MMC2 10
#define AHB_RESET_OFFSET_MMC1 9
diff --git a/arch/arm/include/asm/arch-sunxi/cpu.h b/arch/arm/include/asm/arch-sunxi/cpu.h
index 0de79a0d50..bdee89e87d 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu.h
@@ -37,16 +37,24 @@
#define SUNXI_MMC1_BASE 0x01c10000
#define SUNXI_MMC2_BASE 0x01c11000
#define SUNXI_MMC3_BASE 0x01c12000
+#ifndef CONFIG_MACH_SUN6I
#define SUNXI_USB0_BASE 0x01c13000
#define SUNXI_USB1_BASE 0x01c14000
+#endif
#define SUNXI_SS_BASE 0x01c15000
#define SUNXI_HDMI_BASE 0x01c16000
#define SUNXI_SPI2_BASE 0x01c17000
#define SUNXI_SATA_BASE 0x01c18000
+#ifndef CONFIG_MACH_SUN6I
#define SUNXI_PATA_BASE 0x01c19000
#define SUNXI_ACE_BASE 0x01c1a000
#define SUNXI_TVE1_BASE 0x01c1b000
#define SUNXI_USB2_BASE 0x01c1c000
+#else
+#define SUNXI_USB0_BASE 0x01c19000
+#define SUNXI_USB1_BASE 0x01c1a000
+#define SUNXI_USB2_BASE 0x01c1b000
+#endif
#define SUNXI_CSI1_BASE 0x01c1d000
#define SUNXI_TZASC_BASE 0x01c1e000
#define SUNXI_SPI3_BASE 0x01c1f000
@@ -70,7 +78,7 @@
#define SUNXI_TP_BASE 0x01c25000
#define SUNXI_PMU_BASE 0x01c25400
-#define SUNXI_CPUCFG_BASE 0x01c25c00
+#define SUN7I_CPUCFG_BASE 0x01c25c00
#define SUNXI_UART0_BASE 0x01c28000
#define SUNXI_UART1_BASE 0x01c28400
@@ -96,9 +104,10 @@
#define SUNXI_GMAC_BASE 0x01c50000
#define SUNXI_DRAM_COM_BASE 0x01c62000
-#define SUNXI_DRAM_CTL_BASE 0x01c63000
-#define SUNXI_DRAM_PHY_CH1_BASE 0x01c65000
-#define SUNXI_DRAM_PHY_CH2_BASE 0x01c66000
+#define SUNXI_DRAM_CTL0_BASE 0x01c63000
+#define SUNXI_DRAM_CTL1_BASE 0x01c64000
+#define SUNXI_DRAM_PHY0_BASE 0x01c65000
+#define SUNXI_DRAM_PHY1_BASE 0x01c66000
/* module sram */
#define SUNXI_SRAM_C_BASE 0x01d00000
@@ -110,7 +119,9 @@
#define SUNXI_MP_BASE 0x01e80000
#define SUNXI_AVG_BASE 0x01ea0000
+#define SUNXI_RTC_BASE 0x01f00000
#define SUNXI_PRCM_BASE 0x01f01400
+#define SUN6I_CPUCFG_BASE 0x01f01c00
#define SUNXI_R_UART_BASE 0x01f02800
#define SUNXI_R_PIO_BASE 0x01f02c00
#define SUNXI_P2WI_BASE 0x01f03400
diff --git a/arch/arm/include/asm/arch-sunxi/cpucfg_sun6i.h b/arch/arm/include/asm/arch-sunxi/cpucfg_sun6i.h
new file mode 100644
index 0000000000..e2a29cb181
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/cpucfg_sun6i.h
@@ -0,0 +1,67 @@
+/*
+ * Sunxi A31 CPUCFG register definition.
+ *
+ * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _SUNXI_CPUCFG_H
+#define _SUNXI_CPUCFG_H
+
+#ifndef __ASSEMBLY__
+
+struct sunxi_cpucfg_reg {
+ u8 res0[0x40]; /* 0x000 */
+ u32 cpu0_rst; /* 0x040 */
+ u32 cpu0_ctrl; /* 0x044 */
+ u32 cpu0_status; /* 0x048 */
+ u8 res1[0x34]; /* 0x04c */
+ u32 cpu1_rst; /* 0x080 */
+ u32 cpu1_ctrl; /* 0x084 */
+ u32 cpu1_status; /* 0x088 */
+ u8 res2[0x34]; /* 0x08c */
+ u32 cpu2_rst; /* 0x0c0 */
+ u32 cpu2_ctrl; /* 0x0c4 */
+ u32 cpu2_status; /* 0x0c8 */
+ u8 res3[0x34]; /* 0x0cc */
+ u32 cpu3_rst; /* 0x100 */
+ u32 cpu3_ctrl; /* 0x104 */
+ u32 cpu3_status; /* 0x108 */
+ u8 res4[0x78]; /* 0x10c */
+ u32 gen_ctrl; /* 0x184 */
+ u32 l2_status; /* 0x188 */
+ u8 res5[0x4]; /* 0x18c */
+ u32 event_in; /* 0x190 */
+ u8 res6[0xc]; /* 0x194 */
+ u32 super_standy_flag; /* 0x1a0 */
+ u32 priv0; /* 0x1a4 */
+ u32 priv1; /* 0x1a8 */
+ u8 res7[0x54]; /* 0x1ac */
+ u32 idle_cnt0_low; /* 0x200 */
+ u32 idle_cnt0_high; /* 0x204 */
+ u32 idle_cnt0_ctrl; /* 0x208 */
+ u8 res8[0x4]; /* 0x20c */
+ u32 idle_cnt1_low; /* 0x210 */
+ u32 idle_cnt1_high; /* 0x214 */
+ u32 idle_cnt1_ctrl; /* 0x218 */
+ u8 res9[0x4]; /* 0x21c */
+ u32 idle_cnt2_low; /* 0x220 */
+ u32 idle_cnt2_high; /* 0x224 */
+ u32 idle_cnt2_ctrl; /* 0x228 */
+ u8 res10[0x4]; /* 0x22c */
+ u32 idle_cnt3_low; /* 0x230 */
+ u32 idle_cnt3_high; /* 0x234 */
+ u32 idle_cnt3_ctrl; /* 0x238 */
+ u8 res11[0x4]; /* 0x23c */
+ u32 idle_cnt4_low; /* 0x240 */
+ u32 idle_cnt4_high; /* 0x244 */
+ u32 idle_cnt4_ctrl; /* 0x248 */
+ u8 res12[0x34]; /* 0x24c */
+ u32 cnt64_ctrl; /* 0x280 */
+ u32 cnt64_low; /* 0x284 */
+ u32 cnt64_high; /* 0x288 */
+};
+
+#endif /* __ASSEMBLY__ */
+#endif /* _SUNXI_CPUCFG_H */
diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h
index 1945f75441..9072e68229 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -14,172 +14,13 @@
#include <linux/types.h>
-struct sunxi_dram_reg {
- u32 ccr; /* 0x00 controller configuration register */
- u32 dcr; /* 0x04 dram configuration register */
- u32 iocr; /* 0x08 i/o configuration register */
- u32 csr; /* 0x0c controller status register */
- u32 drr; /* 0x10 dram refresh register */
- u32 tpr0; /* 0x14 dram timing parameters register 0 */
- u32 tpr1; /* 0x18 dram timing parameters register 1 */
- u32 tpr2; /* 0x1c dram timing parameters register 2 */
- u32 gdllcr; /* 0x20 global dll control register */
- u8 res0[0x28];
- u32 rslr0; /* 0x4c rank system latency register */
- u32 rslr1; /* 0x50 rank system latency register */
- u8 res1[0x8];
- u32 rdgr0; /* 0x5c rank dqs gating register */
- u32 rdgr1; /* 0x60 rank dqs gating register */
- u8 res2[0x34];
- u32 odtcr; /* 0x98 odt configuration register */
- u32 dtr0; /* 0x9c data training register 0 */
- u32 dtr1; /* 0xa0 data training register 1 */
- u32 dtar; /* 0xa4 data training address register */
- u32 zqcr0; /* 0xa8 zq control register 0 */
- u32 zqcr1; /* 0xac zq control register 1 */
- u32 zqsr; /* 0xb0 zq status register */
- u32 idcr; /* 0xb4 initializaton delay configure reg */
- u8 res3[0x138];
- u32 mr; /* 0x1f0 mode register */
- u32 emr; /* 0x1f4 extended mode register */
- u32 emr2; /* 0x1f8 extended mode register */
- u32 emr3; /* 0x1fc extended mode register */
- u32 dllctr; /* 0x200 dll control register */
- u32 dllcr[5]; /* 0x204 dll control register 0(byte 0) */
- /* 0x208 dll control register 1(byte 1) */
- /* 0x20c dll control register 2(byte 2) */
- /* 0x210 dll control register 3(byte 3) */
- /* 0x214 dll control register 4(byte 4) */
- u32 dqtr0; /* 0x218 dq timing register */
- u32 dqtr1; /* 0x21c dq timing register */
- u32 dqtr2; /* 0x220 dq timing register */
- u32 dqtr3; /* 0x224 dq timing register */
- u32 dqstr; /* 0x228 dqs timing register */
- u32 dqsbtr; /* 0x22c dqsb timing register */
- u32 mcr; /* 0x230 mode configure register */
- u8 res[0x8];
- u32 ppwrsctl; /* 0x23c pad power save control */
- u32 apr; /* 0x240 arbiter period register */
- u32 pldtr; /* 0x244 priority level data threshold reg */
- u8 res5[0x8];
- u32 hpcr[32]; /* 0x250 host port configure register */
- u8 res6[0x10];
- u32 csel; /* 0x2e0 controller select register */
-};
-
-struct dram_para {
- u32 clock;
- u32 mbus_clock;
- u32 type;
- u32 rank_num;
- u32 density;
- u32 io_width;
- u32 bus_width;
- u32 cas;
- u32 zq;
- u32 odt_en;
- u32 size;
- u32 tpr0;
- u32 tpr1;
- u32 tpr2;
- u32 tpr3;
- u32 tpr4;
- u32 tpr5;
- u32 emr1;
- u32 emr2;
- u32 emr3;
- u32 dqs_gating_delay;
- u32 active_windowing;
-};
-
-#define DRAM_CCR_COMMAND_RATE_1T (0x1 << 5)
-#define DRAM_CCR_DQS_GATE (0x1 << 14)
-#define DRAM_CCR_DQS_DRIFT_COMP (0x1 << 17)
-#define DRAM_CCR_ITM_OFF (0x1 << 28)
-#define DRAM_CCR_DATA_TRAINING (0x1 << 30)
-#define DRAM_CCR_INIT (0x1 << 31)
-
-#define DRAM_MEMORY_TYPE_DDR1 1
-#define DRAM_MEMORY_TYPE_DDR2 2
-#define DRAM_MEMORY_TYPE_DDR3 3
-#define DRAM_MEMORY_TYPE_LPDDR2 4
-#define DRAM_MEMORY_TYPE_LPDDR 5
-#define DRAM_DCR_TYPE (0x1 << 0)
-#define DRAM_DCR_TYPE_DDR2 0x0
-#define DRAM_DCR_TYPE_DDR3 0x1
-#define DRAM_DCR_IO_WIDTH(n) (((n) & 0x3) << 1)
-#define DRAM_DCR_IO_WIDTH_MASK DRAM_DCR_IO_WIDTH(0x3)
-#define DRAM_DCR_IO_WIDTH_8BIT 0x0
-#define DRAM_DCR_IO_WIDTH_16BIT 0x1
-#define DRAM_DCR_CHIP_DENSITY(n) (((n) & 0x7) << 3)
-#define DRAM_DCR_CHIP_DENSITY_MASK DRAM_DCR_CHIP_DENSITY(0x7)
-#define DRAM_DCR_CHIP_DENSITY_256M 0x0
-#define DRAM_DCR_CHIP_DENSITY_512M 0x1
-#define DRAM_DCR_CHIP_DENSITY_1024M 0x2
-#define DRAM_DCR_CHIP_DENSITY_2048M 0x3
-#define DRAM_DCR_CHIP_DENSITY_4096M 0x4
-#define DRAM_DCR_CHIP_DENSITY_8192M 0x5
-#define DRAM_DCR_BUS_WIDTH(n) (((n) & 0x7) << 6)
-#define DRAM_DCR_BUS_WIDTH_MASK DRAM_DCR_BUS_WIDTH(0x7)
-#define DRAM_DCR_BUS_WIDTH_32BIT 0x3
-#define DRAM_DCR_BUS_WIDTH_16BIT 0x1
-#define DRAM_DCR_BUS_WIDTH_8BIT 0x0
-#define DRAM_DCR_RANK_SEL(n) (((n) & 0x3) << 10)
-#define DRAM_DCR_RANK_SEL_MASK DRAM_DCR_CMD_RANK(0x3)
-#define DRAM_DCR_CMD_RANK_ALL (0x1 << 12)
-#define DRAM_DCR_MODE(n) (((n) & 0x3) << 13)
-#define DRAM_DCR_MODE_MASK DRAM_DCR_MODE(0x3)
-#define DRAM_DCR_MODE_SEQ 0x0
-#define DRAM_DCR_MODE_INTERLEAVE 0x1
-
-#define DRAM_CSR_DTERR (0x1 << 20)
-#define DRAM_CSR_DTIERR (0x1 << 21)
-#define DRAM_CSR_FAILED (DRAM_CSR_DTERR | DRAM_CSR_DTIERR)
-
-#define DRAM_DRR_TRFC(n) ((n) & 0xff)
-#define DRAM_DRR_TREFI(n) (((n) & 0xffff) << 8)
-#define DRAM_DRR_BURST(n) ((((n) - 1) & 0xf) << 24)
-
-#define DRAM_MCR_MODE_NORM(n) (((n) & 0x3) << 0)
-#define DRAM_MCR_MODE_NORM_MASK DRAM_MCR_MOD_NORM(0x3)
-#define DRAM_MCR_MODE_DQ_OUT(n) (((n) & 0x3) << 2)
-#define DRAM_MCR_MODE_DQ_OUT_MASK DRAM_MCR_MODE_DQ_OUT(0x3)
-#define DRAM_MCR_MODE_ADDR_OUT(n) (((n) & 0x3) << 4)
-#define DRAM_MCR_MODE_ADDR_OUT_MASK DRAM_MCR_MODE_ADDR_OUT(0x3)
-#define DRAM_MCR_MODE_DQ_IN_OUT(n) (((n) & 0x3) << 6)
-#define DRAM_MCR_MODE_DQ_IN_OUT_MASK DRAM_MCR_MODE_DQ_IN_OUT(0x3)
-#define DRAM_MCR_MODE_DQ_TURNON_DELAY(n) (((n) & 0x7) << 8)
-#define DRAM_MCR_MODE_DQ_TURNON_DELAY_MASK DRAM_MCR_MODE_DQ_TURNON_DELAY(0x7)
-#define DRAM_MCR_MODE_ADDR_IN (0x1 << 11)
-#define DRAM_MCR_RESET (0x1 << 12)
-#define DRAM_MCR_MODE_EN(n) (((n) & 0x3) << 13)
-#define DRAM_MCR_MODE_EN_MASK DRAM_MCR_MOD_EN(0x3)
-#define DRAM_MCR_DCLK_OUT (0x1 << 16)
-
-#define DRAM_DLLCR_NRESET (0x1 << 30)
-#define DRAM_DLLCR_DISABLE (0x1 << 31)
-
-#define DRAM_ZQCR0_IMP_DIV(n) (((n) & 0xff) << 20)
-#define DRAM_ZQCR0_IMP_DIV_MASK DRAM_ZQCR0_IMP_DIV(0xff)
-#define DRAM_ZQCR0_ZCAL (1 << 31) /* Starts ZQ calibration when set to 1 */
-#define DRAM_ZQCR0_ZDEN (1 << 28) /* Uses ZDATA instead of doing calibration */
-
-#define DRAM_ZQSR_ZDONE (1 << 31) /* ZQ calibration completion flag */
-
-#define DRAM_IOCR_ODT_EN(n) ((((n) & 0x3) << 30) | ((n) & 0x3) << 0)
-#define DRAM_IOCR_ODT_EN_MASK DRAM_IOCR_ODT_EN(0x3)
-
-#define DRAM_MR_BURST_LENGTH(n) (((n) & 0x7) << 0)
-#define DRAM_MR_BURST_LENGTH_MASK DRAM_MR_BURST_LENGTH(0x7)
-#define DRAM_MR_CAS_LAT(n) (((n) & 0x7) << 4)
-#define DRAM_MR_CAS_LAT_MASK DRAM_MR_CAS_LAT(0x7)
-#define DRAM_MR_WRITE_RECOVERY(n) (((n) & 0x7) << 9)
-#define DRAM_MR_WRITE_RECOVERY_MASK DRAM_MR_WRITE_RECOVERY(0x7)
-#define DRAM_MR_POWER_DOWN (0x1 << 12)
-
-#define DRAM_CSEL_MAGIC 0x16237495
+/* dram regs definition */
+#if defined(CONFIG_MACH_SUN6I)
+#include <asm/arch/dram_sun6i.h>
+#else
+#include <asm/arch/dram_sun4i.h>
+#endif
unsigned long sunxi_dram_init(void);
-unsigned long dramc_init(struct dram_para *para);
#endif /* _SUNXI_DRAM_H */
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun4i.h b/arch/arm/include/asm/arch-sunxi/dram_sun4i.h
new file mode 100644
index 0000000000..6c1ec5be86
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/dram_sun4i.h
@@ -0,0 +1,182 @@
+/*
+ * (C) Copyright 2007-2012
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Berg Xing <bergxing@allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * Sunxi platform dram register definition.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _SUNXI_DRAM_SUN4I_H
+#define _SUNXI_DRAM_SUN4I_H
+
+struct sunxi_dram_reg {
+ u32 ccr; /* 0x00 controller configuration register */
+ u32 dcr; /* 0x04 dram configuration register */
+ u32 iocr; /* 0x08 i/o configuration register */
+ u32 csr; /* 0x0c controller status register */
+ u32 drr; /* 0x10 dram refresh register */
+ u32 tpr0; /* 0x14 dram timing parameters register 0 */
+ u32 tpr1; /* 0x18 dram timing parameters register 1 */
+ u32 tpr2; /* 0x1c dram timing parameters register 2 */
+ u32 gdllcr; /* 0x20 global dll control register */
+ u8 res0[0x28];
+ u32 rslr0; /* 0x4c rank system latency register */
+ u32 rslr1; /* 0x50 rank system latency register */
+ u8 res1[0x8];
+ u32 rdgr0; /* 0x5c rank dqs gating register */
+ u32 rdgr1; /* 0x60 rank dqs gating register */
+ u8 res2[0x34];
+ u32 odtcr; /* 0x98 odt configuration register */
+ u32 dtr0; /* 0x9c data training register 0 */
+ u32 dtr1; /* 0xa0 data training register 1 */
+ u32 dtar; /* 0xa4 data training address register */
+ u32 zqcr0; /* 0xa8 zq control register 0 */
+ u32 zqcr1; /* 0xac zq control register 1 */
+ u32 zqsr; /* 0xb0 zq status register */
+ u32 idcr; /* 0xb4 initializaton delay configure reg */
+ u8 res3[0x138];
+ u32 mr; /* 0x1f0 mode register */
+ u32 emr; /* 0x1f4 extended mode register */
+ u32 emr2; /* 0x1f8 extended mode register */
+ u32 emr3; /* 0x1fc extended mode register */
+ u32 dllctr; /* 0x200 dll control register */
+ u32 dllcr[5]; /* 0x204 dll control register 0(byte 0) */
+ /* 0x208 dll control register 1(byte 1) */
+ /* 0x20c dll control register 2(byte 2) */
+ /* 0x210 dll control register 3(byte 3) */
+ /* 0x214 dll control register 4(byte 4) */
+ u32 dqtr0; /* 0x218 dq timing register */
+ u32 dqtr1; /* 0x21c dq timing register */
+ u32 dqtr2; /* 0x220 dq timing register */
+ u32 dqtr3; /* 0x224 dq timing register */
+ u32 dqstr; /* 0x228 dqs timing register */
+ u32 dqsbtr; /* 0x22c dqsb timing register */
+ u32 mcr; /* 0x230 mode configure register */
+ u8 res[0x8];
+ u32 ppwrsctl; /* 0x23c pad power save control */
+ u32 apr; /* 0x240 arbiter period register */
+ u32 pldtr; /* 0x244 priority level data threshold reg */
+ u8 res5[0x8];
+ u32 hpcr[32]; /* 0x250 host port configure register */
+ u8 res6[0x10];
+ u32 csel; /* 0x2e0 controller select register */
+};
+
+struct dram_para {
+ u32 clock;
+ u32 mbus_clock;
+ u32 type;
+ u32 rank_num;
+ u32 density;
+ u32 io_width;
+ u32 bus_width;
+ u32 cas;
+ u32 zq;
+ u32 odt_en;
+ u32 size;
+ u32 tpr0;
+ u32 tpr1;
+ u32 tpr2;
+ u32 tpr3;
+ u32 tpr4;
+ u32 tpr5;
+ u32 emr1;
+ u32 emr2;
+ u32 emr3;
+ u32 dqs_gating_delay;
+ u32 active_windowing;
+};
+
+#define DRAM_CCR_COMMAND_RATE_1T (0x1 << 5)
+#define DRAM_CCR_DQS_GATE (0x1 << 14)
+#define DRAM_CCR_DQS_DRIFT_COMP (0x1 << 17)
+#define DRAM_CCR_ITM_OFF (0x1 << 28)
+#define DRAM_CCR_DATA_TRAINING (0x1 << 30)
+#define DRAM_CCR_INIT (0x1 << 31)
+
+#define DRAM_MEMORY_TYPE_DDR1 1
+#define DRAM_MEMORY_TYPE_DDR2 2
+#define DRAM_MEMORY_TYPE_DDR3 3
+#define DRAM_MEMORY_TYPE_LPDDR2 4
+#define DRAM_MEMORY_TYPE_LPDDR 5
+#define DRAM_DCR_TYPE (0x1 << 0)
+#define DRAM_DCR_TYPE_DDR2 0x0
+#define DRAM_DCR_TYPE_DDR3 0x1
+#define DRAM_DCR_IO_WIDTH(n) (((n) & 0x3) << 1)
+#define DRAM_DCR_IO_WIDTH_MASK DRAM_DCR_IO_WIDTH(0x3)
+#define DRAM_DCR_IO_WIDTH_8BIT 0x0
+#define DRAM_DCR_IO_WIDTH_16BIT 0x1
+#define DRAM_DCR_CHIP_DENSITY(n) (((n) & 0x7) << 3)
+#define DRAM_DCR_CHIP_DENSITY_MASK DRAM_DCR_CHIP_DENSITY(0x7)
+#define DRAM_DCR_CHIP_DENSITY_256M 0x0
+#define DRAM_DCR_CHIP_DENSITY_512M 0x1
+#define DRAM_DCR_CHIP_DENSITY_1024M 0x2
+#define DRAM_DCR_CHIP_DENSITY_2048M 0x3
+#define DRAM_DCR_CHIP_DENSITY_4096M 0x4
+#define DRAM_DCR_CHIP_DENSITY_8192M 0x5
+#define DRAM_DCR_BUS_WIDTH(n) (((n) & 0x7) << 6)
+#define DRAM_DCR_BUS_WIDTH_MASK DRAM_DCR_BUS_WIDTH(0x7)
+#define DRAM_DCR_BUS_WIDTH_32BIT 0x3
+#define DRAM_DCR_BUS_WIDTH_16BIT 0x1
+#define DRAM_DCR_BUS_WIDTH_8BIT 0x0
+#define DRAM_DCR_RANK_SEL(n) (((n) & 0x3) << 10)
+#define DRAM_DCR_RANK_SEL_MASK DRAM_DCR_CMD_RANK(0x3)
+#define DRAM_DCR_CMD_RANK_ALL (0x1 << 12)
+#define DRAM_DCR_MODE(n) (((n) & 0x3) << 13)
+#define DRAM_DCR_MODE_MASK DRAM_DCR_MODE(0x3)
+#define DRAM_DCR_MODE_SEQ 0x0
+#define DRAM_DCR_MODE_INTERLEAVE 0x1
+
+#define DRAM_CSR_DTERR (0x1 << 20)
+#define DRAM_CSR_DTIERR (0x1 << 21)
+#define DRAM_CSR_FAILED (DRAM_CSR_DTERR | DRAM_CSR_DTIERR)
+
+#define DRAM_DRR_TRFC(n) ((n) & 0xff)
+#define DRAM_DRR_TREFI(n) (((n) & 0xffff) << 8)
+#define DRAM_DRR_BURST(n) ((((n) - 1) & 0xf) << 24)
+
+#define DRAM_MCR_MODE_NORM(n) (((n) & 0x3) << 0)
+#define DRAM_MCR_MODE_NORM_MASK DRAM_MCR_MOD_NORM(0x3)
+#define DRAM_MCR_MODE_DQ_OUT(n) (((n) & 0x3) << 2)
+#define DRAM_MCR_MODE_DQ_OUT_MASK DRAM_MCR_MODE_DQ_OUT(0x3)
+#define DRAM_MCR_MODE_ADDR_OUT(n) (((n) & 0x3) << 4)
+#define DRAM_MCR_MODE_ADDR_OUT_MASK DRAM_MCR_MODE_ADDR_OUT(0x3)
+#define DRAM_MCR_MODE_DQ_IN_OUT(n) (((n) & 0x3) << 6)
+#define DRAM_MCR_MODE_DQ_IN_OUT_MASK DRAM_MCR_MODE_DQ_IN_OUT(0x3)
+#define DRAM_MCR_MODE_DQ_TURNON_DELAY(n) (((n) & 0x7) << 8)
+#define DRAM_MCR_MODE_DQ_TURNON_DELAY_MASK DRAM_MCR_MODE_DQ_TURNON_DELAY(0x7)
+#define DRAM_MCR_MODE_ADDR_IN (0x1 << 11)
+#define DRAM_MCR_RESET (0x1 << 12)
+#define DRAM_MCR_MODE_EN(n) (((n) & 0x3) << 13)
+#define DRAM_MCR_MODE_EN_MASK DRAM_MCR_MOD_EN(0x3)
+#define DRAM_MCR_DCLK_OUT (0x1 << 16)
+
+#define DRAM_DLLCR_NRESET (0x1 << 30)
+#define DRAM_DLLCR_DISABLE (0x1 << 31)
+
+#define DRAM_ZQCR0_IMP_DIV(n) (((n) & 0xff) << 20)
+#define DRAM_ZQCR0_IMP_DIV_MASK DRAM_ZQCR0_IMP_DIV(0xff)
+#define DRAM_ZQCR0_ZCAL (1 << 31) /* Starts ZQ calibration when set to 1 */
+#define DRAM_ZQCR0_ZDEN (1 << 28) /* Uses ZDATA instead of doing calibration */
+
+#define DRAM_ZQSR_ZDONE (1 << 31) /* ZQ calibration completion flag */
+
+#define DRAM_IOCR_ODT_EN(n) ((((n) & 0x3) << 30) | ((n) & 0x3) << 0)
+#define DRAM_IOCR_ODT_EN_MASK DRAM_IOCR_ODT_EN(0x3)
+
+#define DRAM_MR_BURST_LENGTH(n) (((n) & 0x7) << 0)
+#define DRAM_MR_BURST_LENGTH_MASK DRAM_MR_BURST_LENGTH(0x7)
+#define DRAM_MR_CAS_LAT(n) (((n) & 0x7) << 4)
+#define DRAM_MR_CAS_LAT_MASK DRAM_MR_CAS_LAT(0x7)
+#define DRAM_MR_WRITE_RECOVERY(n) (((n) & 0x7) << 9)
+#define DRAM_MR_WRITE_RECOVERY_MASK DRAM_MR_WRITE_RECOVERY(0x7)
+#define DRAM_MR_POWER_DOWN (0x1 << 12)
+
+#define DRAM_CSEL_MAGIC 0x16237495
+
+unsigned long dramc_init(struct dram_para *para);
+
+#endif /* _SUNXI_DRAM_SUN4I_H */
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun6i.h b/arch/arm/include/asm/arch-sunxi/dram_sun6i.h
new file mode 100644
index 0000000000..9b0b310c2e
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/dram_sun6i.h
@@ -0,0 +1,359 @@
+/*
+ * Sun6i platform dram controller register and constant defines
+ *
+ * (C) Copyright 2007-2012
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Berg Xing <bergxing@allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _SUNXI_DRAM_SUN6I_H
+#define _SUNXI_DRAM_SUN6I_H
+
+struct sunxi_mctl_com_reg {
+ u32 cr; /* 0x00 */
+ u32 ccr; /* 0x04 controller configuration register */
+ u32 dbgcr; /* 0x08 */
+ u32 dbgcr1; /* 0x0c */
+ u32 rmcr[8]; /* 0x10 */
+ u32 mmcr[16]; /* 0x30 */
+ u32 mbagcr[6]; /* 0x70 */
+ u32 maer; /* 0x88 */
+ u8 res0[0x14]; /* 0x8c */
+ u32 mdfscr; /* 0x100 */
+ u32 mdfsmer; /* 0x104 */
+ u32 mdfsmrmr; /* 0x108 */
+ u32 mdfstr0; /* 0x10c */
+ u32 mdfstr1; /* 0x110 */
+ u32 mdfstr2; /* 0x114 */
+ u32 mdfstr3; /* 0x118 */
+ u32 mdfsgcr; /* 0x11c */
+ u8 res1[0x1c]; /* 0x120 */
+ u32 mdfsivr; /* 0x13c */
+ u8 res2[0x0c]; /* 0x140 */
+ u32 mdfstcr; /* 0x14c */
+};
+
+struct sunxi_mctl_ctl_reg {
+ u8 res0[0x04]; /* 0x00 */
+ u32 sctl; /* 0x04 */
+ u32 sstat; /* 0x08 */
+ u8 res1[0x34]; /* 0x0c */
+ u32 mcmd; /* 0x40 */
+ u8 res2[0x08]; /* 0x44 */
+ u32 cmdstat; /* 0x4c */
+ u32 cmdstaten; /* 0x50 */
+ u8 res3[0x0c]; /* 0x54 */
+ u32 mrrcfg0; /* 0x60 */
+ u32 mrrstat0; /* 0x64 */
+ u32 mrrstat1; /* 0x68 */
+ u8 res4[0x10]; /* 0x6c */
+ u32 mcfg1; /* 0x7c */
+ u32 mcfg; /* 0x80 */
+ u32 ppcfg; /* 0x84 */
+ u32 mstat; /* 0x88 */
+ u32 lp2zqcfg; /* 0x8c */
+ u8 res5[0x04]; /* 0x90 */
+ u32 dtustat; /* 0x94 */
+ u32 dtuna; /* 0x98 */
+ u32 dtune; /* 0x9c */
+ u32 dtuprd0; /* 0xa0 */
+ u32 dtuprd1; /* 0xa4 */
+ u32 dtuprd2; /* 0xa8 */
+ u32 dtuprd3; /* 0xac */
+ u32 dtuawdt; /* 0xb0 */
+ u8 res6[0x0c]; /* 0xb4 */
+ u32 togcnt1u; /* 0xc0 */
+ u8 res7[0x08]; /* 0xc4 */
+ u32 togcnt100n; /* 0xcc */
+ u32 trefi; /* 0xd0 */
+ u32 tmrd; /* 0xd4 */
+ u32 trfc; /* 0xd8 */
+ u32 trp; /* 0xdc */
+ u32 trtw; /* 0xe0 */
+ u32 tal; /* 0xe4 */
+ u32 tcl; /* 0xe8 */
+ u32 tcwl; /* 0xec */
+ u32 tras; /* 0xf0 */
+ u32 trc; /* 0xf4 */
+ u32 trcd; /* 0xf8 */
+ u32 trrd; /* 0xfc */
+ u32 trtp; /* 0x100 */
+ u32 twr; /* 0x104 */
+ u32 twtr; /* 0x108 */
+ u32 texsr; /* 0x10c */
+ u32 txp; /* 0x110 */
+ u32 txpdll; /* 0x114 */
+ u32 tzqcs; /* 0x118 */
+ u32 tzqcsi; /* 0x11c */
+ u32 tdqs; /* 0x120 */
+ u32 tcksre; /* 0x124 */
+ u32 tcksrx; /* 0x128 */
+ u32 tcke; /* 0x12c */
+ u32 tmod; /* 0x130 */
+ u32 trstl; /* 0x134 */
+ u32 tzqcl; /* 0x138 */
+ u32 tmrr; /* 0x13c */
+ u32 tckesr; /* 0x140 */
+ u32 tdpd; /* 0x144 */
+ u8 res8[0xb8]; /* 0x148 */
+ u32 dtuwactl; /* 0x200 */
+ u32 dturactl; /* 0x204 */
+ u32 dtucfg; /* 0x208 */
+ u32 dtuectl; /* 0x20c */
+ u32 dtuwd0; /* 0x210 */
+ u32 dtuwd1; /* 0x214 */
+ u32 dtuwd2; /* 0x218 */
+ u32 dtuwd3; /* 0x21c */
+ u32 dtuwdm; /* 0x220 */
+ u32 dturd0; /* 0x224 */
+ u32 dturd1; /* 0x228 */
+ u32 dturd2; /* 0x22c */
+ u32 dturd3; /* 0x230 */
+ u32 dtulfsrwd; /* 0x234 */
+ u32 dtulfsrrd; /* 0x238 */
+ u32 dtueaf; /* 0x23c */
+ u32 dfitctldly; /* 0x240 */
+ u32 dfiodtcfg; /* 0x244 */
+ u32 dfiodtcfg1; /* 0x248 */
+ u32 dfiodtrmap; /* 0x24c */
+ u32 dfitphywrd; /* 0x250 */
+ u32 dfitphywrl; /* 0x254 */
+ u8 res9[0x08]; /* 0x258 */
+ u32 dfitrdden; /* 0x260 */
+ u32 dfitphyrdl; /* 0x264 */
+ u8 res10[0x08]; /* 0x268 */
+ u32 dfitphyupdtype0; /* 0x270 */
+ u32 dfitphyupdtype1; /* 0x274 */
+ u32 dfitphyupdtype2; /* 0x278 */
+ u32 dfitphyupdtype3; /* 0x27c */
+ u32 dfitctrlupdmin; /* 0x280 */
+ u32 dfitctrlupdmax; /* 0x284 */
+ u32 dfitctrlupddly; /* 0x288 */
+ u8 res11[4]; /* 0x28c */
+ u32 dfiupdcfg; /* 0x290 */
+ u32 dfitrefmski; /* 0x294 */
+ u32 dfitcrlupdi; /* 0x298 */
+ u8 res12[0x10]; /* 0x29c */
+ u32 dfitrcfg0; /* 0x2ac */
+ u32 dfitrstat0; /* 0x2b0 */
+ u32 dfitrwrlvlen; /* 0x2b4 */
+ u32 dfitrrdlvlen; /* 0x2b8 */
+ u32 dfitrrdlvlgateen; /* 0x2bc */
+ u8 res13[0x04]; /* 0x2c0 */
+ u32 dfistcfg0; /* 0x2c4 */
+ u32 dfistcfg1; /* 0x2c8 */
+ u8 res14[0x04]; /* 0x2cc */
+ u32 dfitdramclken; /* 0x2d0 */
+ u32 dfitdramclkdis; /* 0x2d4 */
+ u8 res15[0x18]; /* 0x2d8 */
+ u32 dfilpcfg0; /* 0x2f0 */
+};
+
+struct sunxi_mctl_phy_reg {
+ u8 res0[0x04]; /* 0x00 */
+ u32 pir; /* 0x04 */
+ u32 pgcr; /* 0x08 phy general configuration register */
+ u32 pgsr; /* 0x0c */
+ u32 dllgcr; /* 0x10 */
+ u32 acdllcr; /* 0x14 */
+ u32 ptr0; /* 0x18 */
+ u32 ptr1; /* 0x1c */
+ u32 ptr2; /* 0x20 */
+ u32 aciocr; /* 0x24 */
+ u32 dxccr; /* 0x28 DATX8 common configuration register */
+ u32 dsgcr; /* 0x2c dram system general config register */
+ u32 dcr; /* 0x30 */
+ u32 dtpr0; /* 0x34 dram timing parameters register 0 */
+ u32 dtpr1; /* 0x38 dram timing parameters register 1 */
+ u32 dtpr2; /* 0x3c dram timing parameters register 2 */
+ u32 mr0; /* 0x40 mode register 0 */
+ u32 mr1; /* 0x44 mode register 1 */
+ u32 mr2; /* 0x48 mode register 2 */
+ u32 mr3; /* 0x4c mode register 3 */
+ u32 odtcr; /* 0x50 */
+ u32 dtar; /* 0x54 data training address register */
+ u32 dtd0; /* 0x58 */
+ u32 dtd1; /* 0x5c */
+ u8 res1[0x60]; /* 0x60 */
+ u32 dcuar; /* 0xc0 */
+ u32 dcudr; /* 0xc4 */
+ u32 dcurr; /* 0xc8 */
+ u32 dculr; /* 0xcc */
+ u32 dcugcr; /* 0xd0 */
+ u32 dcutpr; /* 0xd4 */
+ u32 dcusr0; /* 0xd8 */
+ u32 dcusr1; /* 0xdc */
+ u8 res2[0x20]; /* 0xe0 */
+ u32 bistrr; /* 0x100 */
+ u32 bistmskr0; /* 0x104 */
+ u32 bistmskr1; /* 0x108 */
+ u32 bistwcr; /* 0x10c */
+ u32 bistlsr; /* 0x110 */
+ u32 bistar0; /* 0x114 */
+ u32 bistar1; /* 0x118 */
+ u32 bistar2; /* 0x11c */
+ u32 bistupdr; /* 0x120 */
+ u32 bistgsr; /* 0x124 */
+ u32 bistwer; /* 0x128 */
+ u32 bistber0; /* 0x12c */
+ u32 bistber1; /* 0x130 */
+ u32 bistber2; /* 0x134 */
+ u32 bistwcsr; /* 0x138 */
+ u32 bistfwr0; /* 0x13c */
+ u32 bistfwr1; /* 0x140 */
+ u8 res3[0x3c]; /* 0x144 */
+ u32 zq0cr0; /* 0x180 zq 0 control register 0 */
+ u32 zq0cr1; /* 0x184 zq 0 control register 1 */
+ u32 zq0sr0; /* 0x188 zq 0 status register 0 */
+ u32 zq0sr1; /* 0x18c zq 0 status register 1 */
+ u8 res4[0x30]; /* 0x190 */
+ u32 dx0gcr; /* 0x1c0 */
+ u32 dx0gsr0; /* 0x1c4 */
+ u32 dx0gsr1; /* 0x1c8 */
+ u32 dx0dllcr; /* 0x1cc */
+ u32 dx0dqtr; /* 0x1d0 */
+ u32 dx0dqstr; /* 0x1d4 */
+ u8 res5[0x28]; /* 0x1d8 */
+ u32 dx1gcr; /* 0x200 */
+ u32 dx1gsr0; /* 0x204 */
+ u32 dx1gsr1; /* 0x208 */
+ u32 dx1dllcr; /* 0x20c */
+ u32 dx1dqtr; /* 0x210 */
+ u32 dx1dqstr; /* 0x214 */
+ u8 res6[0x28]; /* 0x218 */
+ u32 dx2gcr; /* 0x240 */
+ u32 dx2gsr0; /* 0x244 */
+ u32 dx2gsr1; /* 0x248 */
+ u32 dx2dllcr; /* 0x24c */
+ u32 dx2dqtr; /* 0x250 */
+ u32 dx2dqstr; /* 0x254 */
+ u8 res7[0x28]; /* 0x258 */
+ u32 dx3gcr; /* 0x280 */
+ u32 dx3gsr0; /* 0x284 */
+ u32 dx3gsr1; /* 0x288 */
+ u32 dx3dllcr; /* 0x28c */
+ u32 dx3dqtr; /* 0x290 */
+ u32 dx3dqstr; /* 0x294 */
+};
+
+/*
+ * 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 (3 << 12)
+#define MCTL_CR_BUSW16 (1 << 12)
+#define MCTL_CR_BUSW32 (3 << 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 ((1 << 22) | (1 << 20))
+#define MCTL_CCR_CH0_CLK_EN (1 << 0)
+#define MCTL_CCR_CH1_CLK_EN (1 << 1)
+#define MCTL_CCR_MASTER_CLK_EN (1 << 2)
+
+/*
+ * DRAM control (sunxi_mctl_ctl_reg) register constants.
+ * Note that we use constant values for a lot of the timings, this is what
+ * the original boot0 bootloader does.
+ */
+#define MCTL_SCTL_CONFIG 1
+#define MCTL_SCTL_ACCESS 2
+#define MCTL_MCMD_NOP 0x88000000
+#define MCTL_MCMD_BUSY 0x80000000
+#define MCTL_MCFG_DDR3 0x70061
+#define MCTL_TREFI 78
+#define MCTL_TMRD 4
+#define MCTL_TRFC 115
+#define MCTL_TRP 9
+#define MCTL_TPREA 0
+#define MCTL_TRTW 2
+#define MCTL_TAL 0
+#define MCTL_TCL 9
+#define MCTL_TCWL 8
+#define MCTL_TRAS 18
+#define MCTL_TRC 23
+#define MCTL_TRCD 9
+#define MCTL_TRRD 4
+#define MCTL_TRTP 4
+#define MCTL_TWR 8
+#define MCTL_TWTR 4
+#define MCTL_TEXSR 512
+#define MCTL_TXP 4
+#define MCTL_TXPDLL 14
+#define MCTL_TZQCS 64
+#define MCTL_TZQCSI 0
+#define MCTL_TDQS 1
+#define MCTL_TCKSRE 5
+#define MCTL_TCKSRX 5
+#define MCTL_TCKE 4
+#define MCTL_TMOD 12
+#define MCTL_TRSTL 80
+#define MCTL_TZQCL 512
+#define MCTL_TMRR 2
+#define MCTL_TCKESR 5
+#define MCTL_TDPD 0
+#define MCTL_DFITPHYRDL 15
+#define MCTL_DFIUPDCFG_UPD (1 << 1)
+#define MCTL_DFISTCFG0 5
+
+/*
+ * DRAM phy (sunxi_mctl_phy_reg) register values / constants.
+ */
+#define MCTL_PIR_CLEAR_STATUS (1 << 28)
+#define MCTL_PIR_STEP1 0xe9
+#define MCTL_PIR_STEP2 0x81
+#define MCTL_PGCR_RANK (1 << 19)
+#define MCTL_PGCR 0x018c0202
+#define MCTL_PGSR_TRAIN_ERR_MASK (3 << 5)
+/* constants for both acdllcr as well as dx#dllcr */
+#define MCTL_DLLCR_NRESET (1 << 30)
+#define MCTL_DLLCR_DISABLE (1 << 31)
+/* ptr constants these are or-ed together to get the final ptr# values */
+#define MCTL_TITMSRST 10
+#define MCTL_TDLLLOCK 2250
+#define MCTL_TDLLSRST 23
+#define MCTL_TDINIT0 217000
+#define MCTL_TDINIT1 160
+#define MCTL_TDINIT2 87000
+#define MCTL_TDINIT3 433
+/* end ptr constants */
+#define MCTL_ACIOCR_DISABLE ((3 << 18) | (1 << 8) | (1 << 3))
+#define MCTL_DXCCR_DISABLE ((1 << 3) | (1 << 2))
+#define MCTL_DXCCR 0x800
+#define MCTL_DSGCR_ENABLE (1 << 28)
+#define MCTL_DSGCR 0xf200001b
+#define MCTL_DCR_DDR3 0x0b
+/* dtpr constants these are or-ed together to get the final dtpr# values */
+#define MCTL_TCCD 0
+#define MCTL_TDQSCKMAX 1
+#define MCTL_TDQSCK 1
+#define MCTL_TRTODT 0
+#define MCTL_TFAW 20
+#define MCTL_TAOND 0
+#define MCTL_TDLLK 512
+/* end dtpr constants */
+#define MCTL_MR0 0x1a50
+#define MCTL_MR1 0x4
+#define MCTL_MR2 ((MCTL_TCWL - 5) << 3)
+#define MCTL_MR3 0x0
+#define MCTL_DX_GCR_EN (1 << 0)
+#define MCTL_DX_GCR 0x880
+#define MCTL_DX_GSR0_RANK0_TRAIN_DONE (1 << 0)
+#define MCTL_DX_GSR0_RANK1_TRAIN_DONE (1 << 1)
+#define MCTL_DX_GSR0_RANK0_TRAIN_ERR (1 << 4)
+#define MCTL_DX_GSR0_RANK1_TRAIN_ERR (1 << 5)
+
+#endif /* _SUNXI_DRAM_SUN6I_H */
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index 437dd35b68..c734cf015e 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -172,6 +172,9 @@ enum sunxi_gpio_number {
#define SUN4I_GPI4_SDC3 2
+#define SUNXI_GPL0_R_P2WI_SCK 3
+#define SUNXI_GPL1_R_P2WI_SDA 3
+
#define SUN8I_GPL2_R_UART_TX 2
#define SUN8I_GPL3_R_UART_RX 2
diff --git a/arch/arm/include/asm/arch-sunxi/p2wi.h b/arch/arm/include/asm/arch-sunxi/p2wi.h
new file mode 100644
index 0000000000..2cf2d51c61
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/p2wi.h
@@ -0,0 +1,140 @@
+/*
+ * Sunxi platform Push-Push i2c register definition.
+ *
+ * (c) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
+ * http://linux-sunxi.org
+ *
+ * (c)Copyright 2006-2013
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Berg Xing <bergxing@allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _SUNXI_P2WI_H
+#define _SUNXI_P2WI_H
+
+#include <linux/types.h>
+
+#define P2WI_CTRL_RESET (0x1 << 0)
+#define P2WI_CTRL_IRQ_EN (0x1 << 1)
+#define P2WI_CTRL_TRANS_ABORT (0x1 << 6)
+#define P2WI_CTRL_TRANS_START (0x1 << 7)
+
+#define __P2WI_CC_CLK(n) (((n) & 0xff) << 0)
+#define P2WI_CC_CLK_MASK __P2WI_CC_CLK_DIV(0xff)
+#define __P2WI_CC_CLK_DIV(n) (((n) >> 1) - 1)
+#define P2WI_CC_CLK_DIV(n) \
+ __P2WI_CC_CLK(__P2WI_CC_CLK_DIV(n))
+#define P2WI_CC_SDA_OUT_DELAY(n) (((n) & 0x7) << 8)
+#define P2WI_CC_SDA_OUT_DELAY_MASK P2WI_CC_SDA_OUT_DELAY(0x7)
+
+#define P2WI_IRQ_TRANS_DONE (0x1 << 0)
+#define P2WI_IRQ_TRANS_ERR (0x1 << 1)
+#define P2WI_IRQ_LOAD_BUSY (0x1 << 2)
+
+#define P2WI_STAT_TRANS_DONE (0x1 << 0)
+#define P2WI_STAT_TRANS_ERR (0x1 << 1)
+#define P2WI_STAT_LOAD_BUSY (0x1 << 2)
+#define __P2WI_STAT_TRANS_ERR(n) (((n) & 0xff) << 8)
+#define P2WI_STAT_TRANS_ERR_MASK __P2WI_STAT_TRANS_ERR_ID(0xff)
+#define __P2WI_STAT_TRANS_ERR_BYTE_1 0x01
+#define __P2WI_STAT_TRANS_ERR_BYTE_2 0x02
+#define __P2WI_STAT_TRANS_ERR_BYTE_3 0x04
+#define __P2WI_STAT_TRANS_ERR_BYTE_4 0x08
+#define __P2WI_STAT_TRANS_ERR_BYTE_5 0x10
+#define __P2WI_STAT_TRANS_ERR_BYTE_6 0x20
+#define __P2WI_STAT_TRANS_ERR_BYTE_7 0x40
+#define __P2WI_STAT_TRANS_ERR_BYTE_8 0x80
+#define P2WI_STAT_TRANS_ERR_BYTE_1 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_1)
+#define P2WI_STAT_TRANS_ERR_BYTE_2 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_2)
+#define P2WI_STAT_TRANS_ERR_BYTE_3 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_3)
+#define P2WI_STAT_TRANS_ERR_BYTE_4 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_4)
+#define P2WI_STAT_TRANS_ERR_BYTE_5 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_5)
+#define P2WI_STAT_TRANS_ERR_BYTE_6 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_6)
+#define P2WI_STAT_TRANS_ERR_BYTE_7 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_7)
+#define P2WI_STAT_TRANS_ERR_BYTE_8 \
+ __P2WI_STAT_TRANS_ERR(__P2WI_STAT_TRANS_ERR_BYTE_8)
+
+#define P2WI_DATADDR_BYTE_1(n) (((n) & 0xff) << 0)
+#define P2WI_DATADDR_BYTE_1_MASK P2WI_DATADDR_BYTE_1(0xff)
+#define P2WI_DATADDR_BYTE_2(n) (((n) & 0xff) << 8)
+#define P2WI_DATADDR_BYTE_2_MASK P2WI_DATADDR_BYTE_2(0xff)
+#define P2WI_DATADDR_BYTE_3(n) (((n) & 0xff) << 16)
+#define P2WI_DATADDR_BYTE_3_MASK P2WI_DATADDR_BYTE_3(0xff)
+#define P2WI_DATADDR_BYTE_4(n) (((n) & 0xff) << 24)
+#define P2WI_DATADDR_BYTE_4_MASK P2WI_DATADDR_BYTE_4(0xff)
+#define P2WI_DATADDR_BYTE_5(n) (((n) & 0xff) << 0)
+#define P2WI_DATADDR_BYTE_5_MASK P2WI_DATADDR_BYTE_5(0xff)
+#define P2WI_DATADDR_BYTE_6(n) (((n) & 0xff) << 8)
+#define P2WI_DATADDR_BYTE_6_MASK P2WI_DATADDR_BYTE_6(0xff)
+#define P2WI_DATADDR_BYTE_7(n) (((n) & 0xff) << 16)
+#define P2WI_DATADDR_BYTE_7_MASK P2WI_DATADDR_BYTE_7(0xff)
+#define P2WI_DATADDR_BYTE_8(n) (((n) & 0xff) << 24)
+#define P2WI_DATADDR_BYTE_8_MASK P2WI_DATADDR_BYTE_8(0xff)
+
+#define __P2WI_DATA_NUM_BYTES(n) (((n) & 0x7) << 0)
+#define P2WI_DATA_NUM_BYTES_MASK __P2WI_DATA_NUM_BYTES(0x7)
+#define P2WI_DATA_NUM_BYTES(n) __P2WI_DATA_NUM_BYTES((n) - 1)
+#define P2WI_DATA_NUM_BYTES_READ (0x1 << 4)
+
+#define P2WI_DATA_BYTE_1(n) (((n) & 0xff) << 0)
+#define P2WI_DATA_BYTE_1_MASK P2WI_DATA_BYTE_1(0xff)
+#define P2WI_DATA_BYTE_2(n) (((n) & 0xff) << 8)
+#define P2WI_DATA_BYTE_2_MASK P2WI_DATA_BYTE_2(0xff)
+#define P2WI_DATA_BYTE_3(n) (((n) & 0xff) << 16)
+#define P2WI_DATA_BYTE_3_MASK P2WI_DATA_BYTE_3(0xff)
+#define P2WI_DATA_BYTE_4(n) (((n) & 0xff) << 24)
+#define P2WI_DATA_BYTE_4_MASK P2WI_DATA_BYTE_4(0xff)
+#define P2WI_DATA_BYTE_5(n) (((n) & 0xff) << 0)
+#define P2WI_DATA_BYTE_5_MASK P2WI_DATA_BYTE_5(0xff)
+#define P2WI_DATA_BYTE_6(n) (((n) & 0xff) << 8)
+#define P2WI_DATA_BYTE_6_MASK P2WI_DATA_BYTE_6(0xff)
+#define P2WI_DATA_BYTE_7(n) (((n) & 0xff) << 16)
+#define P2WI_DATA_BYTE_7_MASK P2WI_DATA_BYTE_7(0xff)
+#define P2WI_DATA_BYTE_8(n) (((n) & 0xff) << 24)
+#define P2WI_DATA_BYTE_8_MASK P2WI_DATA_BYTE_8(0xff)
+
+#define P2WI_LINECTRL_SDA_CTRL_EN (0x1 << 0)
+#define P2WI_LINECTRL_SDA_OUT_HIGH (0x1 << 1)
+#define P2WI_LINECTRL_SCL_CTRL_EN (0x1 << 2)
+#define P2WI_LINECTRL_SCL_OUT_HIGH (0x1 << 3)
+#define P2WI_LINECTRL_SDA_STATE_HIGH (0x1 << 4)
+#define P2WI_LINECTRL_SCL_STATE_HIGH (0x1 << 5)
+
+#define P2WI_PM_DEV_ADDR(n) (((n) & 0xff) << 0)
+#define P2WI_PM_DEV_ADDR_MASK P2WI_PM_DEV_ADDR(0xff)
+#define P2WI_PM_CTRL_ADDR(n) (((n) & 0xff) << 8)
+#define P2WI_PM_CTRL_ADDR_MASK P2WI_PM_CTRL_ADDR(0xff)
+#define P2WI_PM_INIT_DATA(n) (((n) & 0xff) << 16)
+#define P2WI_PM_INIT_DATA_MASK P2WI_PM_INIT_DATA(0xff)
+#define P2WI_PM_INIT_SEND (0x1 << 31)
+
+struct sunxi_p2wi_reg {
+ u32 ctrl; /* 0x00 control */
+ u32 cc; /* 0x04 clock control */
+ u32 irq; /* 0x08 interrupt */
+ u32 status; /* 0x0c status */
+ u32 dataddr0; /* 0x10 data address 0 */
+ u32 dataddr1; /* 0x14 data address 1 */
+ u32 numbytes; /* 0x18 num bytes */
+ u32 data0; /* 0x1c data buffer 0 */
+ u32 data1; /* 0x20 data buffer 1 */
+ u32 linectrl; /* 0x24 line control */
+ u32 pm; /* 0x28 power management */
+};
+
+void p2wi_init(void);
+int p2wi_change_to_p2wi_mode(u8 slave_addr, u8 ctrl_reg, u8 init_data);
+int p2wi_read(const u8 addr, u8 *data);
+int p2wi_write(const u8 addr, u8 data);
+
+#endif /* _SUNXI_P2WI_H */
diff --git a/arch/arm/include/asm/arch-sunxi/prcm.h b/arch/arm/include/asm/arch-sunxi/prcm.h
index 3d3bfa6cd1..88de1ff675 100644
--- a/arch/arm/include/asm/arch-sunxi/prcm.h
+++ b/arch/arm/include/asm/arch-sunxi/prcm.h
@@ -119,6 +119,7 @@
#define PRCM_PLL_CTRL_LDO_OUT_HV(n) \
__PRCM_PLL_CTRL_VDD_LDO_OUT((((n) & 0x7) * 30) + 1160)
#define PRCM_PLL_CTRL_LDO_KEY (0xa7 << 24)
+#define PRCM_PLL_CTRL_LDO_KEY_MASK (0xff << 24)
#define PRCM_CLK_1WIRE_GATE (0x1 << 31)