]> git.kernelconcepts.de Git - karo-tx-uboot.git/commitdiff
sun8i: Add dram initialization support
authorHans de Goede <hdegoede@redhat.com>
Sun, 7 Dec 2014 13:34:27 +0000 (14:34 +0100)
committerHans de Goede <hdegoede@redhat.com>
Wed, 14 Jan 2015 13:56:37 +0000 (14:56 +0100)
Based on the register / dram_para headers from the Allwinner u-boot / linux
sources + the init sequences from boot0.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
arch/arm/cpu/armv7/sunxi/Makefile
arch/arm/cpu/armv7/sunxi/board.c
arch/arm/cpu/armv7/sunxi/dram_sun8i.c [new file with mode: 0644]
arch/arm/include/asm/arch-sunxi/clock_sun6i.h
arch/arm/include/asm/arch-sunxi/dram.h
arch/arm/include/asm/arch-sunxi/dram_sun8i.h [new file with mode: 0644]
board/sunxi/Kconfig
include/configs/sun8i.h

index 3e8975a6fb948ac532d1bf347965ac907665f128..1e899372c27e9306d73dec7932ab717a8f1d1cd0 100644 (file)
@@ -33,6 +33,7 @@ obj-$(CONFIG_MACH_SUN4I)      += dram_sun4i.o
 obj-$(CONFIG_MACH_SUN5I)       += dram_sun4i.o
 obj-$(CONFIG_MACH_SUN6I)       += dram_sun6i.o
 obj-$(CONFIG_MACH_SUN7I)       += dram_sun4i.o
+obj-$(CONFIG_MACH_SUN8I)       += dram_sun8i.o
 ifdef CONFIG_SPL_FEL
 obj-y  += start.o
 endif
index 9b3e80c24aa60c81840dca63e3d7deca2594d9c7..bc98c564f9828fe5580a7e39c04b1e57f638f852 100644 (file)
@@ -114,7 +114,8 @@ void reset_cpu(ulong addr)
 /* do some early init */
 void s_init(void)
 {
-#if defined CONFIG_SPL_BUILD && defined CONFIG_MACH_SUN6I
+#if defined CONFIG_SPL_BUILD && \
+               (defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I)
        /* Magic (undocmented) value taken from boot0, without this DRAM
         * access gets messed up (seems cache related) */
        setbits_le32(SUNXI_SRAMC_BASE + 0x44, 0x1800);
diff --git a/arch/arm/cpu/armv7/sunxi/dram_sun8i.c b/arch/arm/cpu/armv7/sunxi/dram_sun8i.c
new file mode 100644 (file)
index 0000000..aa6445e
--- /dev/null
@@ -0,0 +1,346 @@
+/*
+ * Sun8i platform dram controller init.
+ *
+ * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/*
+ * Note this code uses a lot of magic hex values, that is because this code
+ * simply replays the init sequence as done by the Allwinner boot0 code, so
+ * we do not know what these values mean. There are no symbolic constants for
+ * these magic values, since we do not know how to name them and making up
+ * names for them is not useful.
+ *
+ * The register-layout of the sunxi_mctl_phy_reg-s looks a lot like the one
+ * found in the TI Keystone2 documentation:
+ * http://www.ti.com/lit/ug/spruhn7a/spruhn7a.pdf
+ * "Table4-2 DDR3 PHY Registers"
+ * This may be used as a (possible) reference for future work / cleanups.
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/dram.h>
+#include <asm/arch/prcm.h>
+
+static const struct dram_para dram_para = {
+       .clock = CONFIG_DRAM_CLK,
+       .type = 3,
+       .zq = CONFIG_DRAM_ZQ,
+       .odt_en = 1,
+       .para1 = 0, /* not used (only used when tpr13 bit 31 is set */
+       .para2 = 0, /* not used (only used when tpr13 bit 31 is set */
+       .mr0 = 6736,
+       .mr1 = 4,
+       .mr2 = 16,
+       .mr3 = 0,
+       /* tpr0 - 10 contain timing constants or-ed together in u32 vals */
+       .tpr0 = 0x2ab83def,
+       .tpr1 = 0x18082356,
+       .tpr2 = 0x00034156,
+       .tpr3 = 0x448c5533,
+       .tpr4 = 0x08010d00,
+       .tpr5 = 0x0340b20f,
+       .tpr6 = 0x20d118cc,
+       .tpr7 = 0x14062485,
+       .tpr8 = 0x220d1d52,
+       .tpr9 = 0x1e078c22,
+       .tpr10 = 0x3c,
+       .tpr11 = 0, /* not used */
+       .tpr12 = 0, /* not used */
+       .tpr13 = 0x30000,
+};
+
+static void mctl_sys_init(void)
+{
+       struct sunxi_ccm_reg * const ccm =
+               (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+       /* enable pll5, note the divide by 2 is deliberate! */
+       clock_set_pll5(dram_para.clock * 1000000 / 2,
+                      dram_para.tpr13 & 0x40000);
+
+       /* deassert ahb mctl reset */
+       setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL);
+
+       /* enable ahb mctl clock */
+       setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL);
+}
+
+static void mctl_apply_odt_correction(u32 *reg, int correction)
+{
+       int val;
+
+       val = (readl(reg) >> 8) & 0xff;
+       val += correction;
+
+       /* clamp */
+       if (val < 0)
+               val = 0;
+       else if (val > 255)
+               val = 255;
+
+       clrsetbits_le32(reg, 0xff00, val << 8);
+}
+
+static void mctl_init(u32 *bus_width)
+{
+       struct sunxi_ccm_reg * const ccm =
+               (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+       struct sunxi_mctl_com_reg * const mctl_com =
+               (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE;
+       struct sunxi_mctl_ctl_reg * const mctl_ctl =
+               (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE;
+       struct sunxi_mctl_phy_reg * const mctl_phy =
+               (struct sunxi_mctl_phy_reg *)SUNXI_DRAM_PHY0_BASE;
+       int correction;
+
+       if (dram_para.tpr13 & 0x20)
+               writel(0x40b, &mctl_phy->dcr);
+       else
+               writel(0x1000040b, &mctl_phy->dcr);
+
+       if (dram_para.clock >= 480)
+               writel(0x5c000, &mctl_phy->dllgcr);
+       else
+               writel(0xdc000, &mctl_phy->dllgcr);
+
+       writel(0x0a003e3f, &mctl_phy->pgcr0);
+       writel(0x03008421, &mctl_phy->pgcr1);
+
+       writel(dram_para.mr0, &mctl_phy->mr0);
+       writel(dram_para.mr1, &mctl_phy->mr1);
+       writel(dram_para.mr2, &mctl_phy->mr2);
+       writel(dram_para.mr3, &mctl_phy->mr3);
+
+       if (!(dram_para.tpr13 & 0x10000)) {
+               clrsetbits_le32(&mctl_phy->dx0gcr, 0x3800, 0x2000);
+               clrsetbits_le32(&mctl_phy->dx1gcr, 0x3800, 0x2000);
+       }
+
+       /*
+        * All the masking and shifting below converts what I assume are DDR
+        * timing constants from Allwinner dram_para tpr format to the actual
+        * timing registers format.
+        */
+
+       writel((dram_para.tpr0 & 0x000fffff), &mctl_phy->ptr2);
+       writel((dram_para.tpr1 & 0x1fffffff), &mctl_phy->ptr3);
+       writel((dram_para.tpr0 & 0x3ff00000) >> 2 |
+              (dram_para.tpr2 & 0x0003ffff), &mctl_phy->ptr4);
+
+       writel(dram_para.tpr3, &mctl_phy->dtpr0);
+       writel(dram_para.tpr4, &mctl_phy->dtpr2);
+
+       writel(0x01000081, &mctl_phy->dtcr);
+
+       if (dram_para.clock <= 240 || !(dram_para.odt_en & 0x01)) {
+               clrbits_le32(&mctl_phy->dx0gcr, 0x600);
+               clrbits_le32(&mctl_phy->dx1gcr, 0x600);
+       }
+       if (dram_para.clock <= 240) {
+               writel(0, &mctl_phy->odtcr);
+               writel(0, &mctl_ctl->odtmap);
+       }
+
+       writel(((dram_para.tpr5 & 0x0f00) << 12) |
+              ((dram_para.tpr5 & 0x00f8) <<  9) |
+              ((dram_para.tpr5 & 0x0007) <<  8),
+              &mctl_ctl->rfshctl0);
+
+       writel(((dram_para.tpr5 & 0x0003f000) << 12) |
+              ((dram_para.tpr5 & 0x00fc0000) >>  2) |
+              ((dram_para.tpr5 & 0x3f000000) >> 16) |
+              ((dram_para.tpr6 & 0x0000003f) >>  0),
+              &mctl_ctl->dramtmg0);
+
+       writel(((dram_para.tpr6 & 0x000007c0) << 10) |
+              ((dram_para.tpr6 & 0x0000f800) >> 3) |
+              ((dram_para.tpr6 & 0x003f0000) >> 16),
+              &mctl_ctl->dramtmg1);
+
+       writel(((dram_para.tpr6 & 0x0fc00000) << 2) |
+              ((dram_para.tpr7 & 0x0000001f) << 16) |
+              ((dram_para.tpr7 & 0x000003e0) << 3) |
+              ((dram_para.tpr7 & 0x0000fc00) >> 10),
+              &mctl_ctl->dramtmg2);
+
+       writel(((dram_para.tpr7 & 0x03ff0000) >> 16) |
+              ((dram_para.tpr6 & 0xf0000000) >> 16),
+              &mctl_ctl->dramtmg3);
+
+       writel(((dram_para.tpr7 & 0x3c000000) >> 2 ) |
+              ((dram_para.tpr8 & 0x00000007) << 16) |
+              ((dram_para.tpr8 & 0x00000038) << 5) |
+              ((dram_para.tpr8 & 0x000003c0) >> 6),
+              &mctl_ctl->dramtmg4);
+
+       writel(((dram_para.tpr8 & 0x00003c00) << 14) |
+              ((dram_para.tpr8 & 0x0003c000) <<  2) |
+              ((dram_para.tpr8 & 0x00fc0000) >> 10) |
+              ((dram_para.tpr8 & 0x0f000000) >> 24),
+              &mctl_ctl->dramtmg5);
+
+       writel(0x00000008, &mctl_ctl->dramtmg8);
+
+       writel(((dram_para.tpr8 & 0xf0000000) >> 4) |
+              ((dram_para.tpr9 & 0x00007c00) << 6) |
+              ((dram_para.tpr9 & 0x000003e0) << 3) |
+              ((dram_para.tpr9 & 0x0000001f) >> 0),
+              &mctl_ctl->pitmg0);
+
+       setbits_le32(&mctl_ctl->pitmg1, 0x80000);
+
+       writel(((dram_para.tpr9 & 0x003f8000) << 9) | 0x2001,
+              &mctl_ctl->sched);
+
+       writel((dram_para.mr0 << 16) | dram_para.mr1, &mctl_ctl->init3);
+       writel((dram_para.mr2 << 16) | dram_para.mr3, &mctl_ctl->init4);
+
+       writel(0x00000000, &mctl_ctl->pimisc);
+       writel(0x80000000, &mctl_ctl->upd0);
+
+       writel(((dram_para.tpr9  & 0xffc00000) >> 22) |
+              ((dram_para.tpr10 & 0x00000fff) << 16),
+              &mctl_ctl->rfshtmg);
+
+       if (dram_para.tpr13 & 0x20)
+               writel(0x01040001, &mctl_ctl->mstr);
+       else
+               writel(0x01040401, &mctl_ctl->mstr);
+
+       if (!(dram_para.tpr13 & 0x20000)) {
+               writel(0x00000002, &mctl_ctl->pwrctl);
+               writel(0x00008001, &mctl_ctl->pwrtmg);
+       }
+
+       writel(0x00000001, &mctl_ctl->rfshctl3);
+       writel(0x00000001, &mctl_ctl->pimisc);
+
+       /* deassert dram_clk_cfg reset */
+       setbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST);
+
+       setbits_le32(&mctl_com->ccr, 0x80000);
+
+       /* zq stuff */
+       writel((dram_para.zq >> 8) & 0xff, &mctl_phy->zqcr1);
+
+       writel(0x00000003, &mctl_phy->pir);
+       udelay(10);
+       mctl_await_completion(&mctl_phy->pgsr0, 0x09, 0x09);
+
+       writel(readl(&mctl_phy->zqsr0) | 0x10000000, &mctl_phy->zqcr2);
+       writel(dram_para.zq & 0xff, &mctl_phy->zqcr1);
+
+       /* A23-v1.0 SDK uses 0xfdf3, A23-v2.0 SDK uses 0x5f3 */
+       writel(0x000005f3, &mctl_phy->pir);
+       udelay(10);
+       mctl_await_completion(&mctl_phy->pgsr0, 0x03, 0x03);
+
+       if (readl(&mctl_phy->dx1gsr0) & 0x1000000) {
+               *bus_width = 8;
+               writel(0, &mctl_phy->dx1gcr);
+               writel(dram_para.zq & 0xff, &mctl_phy->zqcr1);
+               writel(0x5f3, &mctl_phy->pir);
+               udelay(10000);
+               setbits_le32(&mctl_ctl->mstr, 0x1000);
+       } else
+               *bus_width = 16;
+
+       correction = (dram_para.odt_en >> 8) & 0xff;
+       if (correction) {
+               if (dram_para.odt_en & 0x80000000)
+                       correction = -correction;
+
+               mctl_apply_odt_correction(&mctl_phy->dx0lcdlr1, correction);
+               mctl_apply_odt_correction(&mctl_phy->dx1lcdlr1, correction);
+       }
+
+       mctl_await_completion(&mctl_ctl->statr, 0x01, 0x01);
+
+       writel(0x08003e3f, &mctl_phy->pgcr0);
+       writel(0x00000000, &mctl_ctl->rfshctl3);
+}
+
+unsigned long sunxi_dram_init(void)
+{
+       struct sunxi_mctl_com_reg * const mctl_com =
+               (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE;
+       const u32 columns = 13;
+       u32 bus, bus_width, offset, page_size, rows;
+
+       mctl_sys_init();
+       mctl_init(&bus_width);
+
+       if (bus_width == 16) {
+               page_size = 8;
+               bus = 1;
+       } else {
+               page_size = 7;
+               bus = 0;
+       }
+
+       if (!(dram_para.tpr13 & 0x80000000)) {
+               /* Detect and set rows */
+               writel(0x000310f4 | MCTL_CR_PAGE_SIZE(page_size),
+                      &mctl_com->cr);
+               setbits_le32(&mctl_com->swonr, 0x0003ffff);
+               mctl_mem_fill();
+               for (rows = 11; rows < 16; rows++) {
+                       offset = 1 << (rows + columns + bus);
+                       if (mctl_mem_matches(offset))
+                               break;
+               }
+               clrsetbits_le32(&mctl_com->cr, MCTL_CR_ROW_MASK,
+                               MCTL_CR_ROW(rows));
+       } else {
+               rows = (dram_para.para1 >> 16) & 0xff;
+               writel(((dram_para.para2 & 0x000000f0) << 11) |
+                      ((rows - 1) << 4) |
+                      ((dram_para.para1 & 0x0f000000) >> 22) |
+                      0x31000 | MCTL_CR_PAGE_SIZE(page_size),
+                      &mctl_com->cr);
+               setbits_le32(&mctl_com->swonr, 0x0003ffff);
+       }
+
+       /* Setup DRAM master priority? If this is left out things still work */
+       writel(0x00000008, &mctl_com->mcr0_0);
+       writel(0x0001000d, &mctl_com->mcr1_0);
+       writel(0x00000004, &mctl_com->mcr0_1);
+       writel(0x00000080, &mctl_com->mcr1_1);
+       writel(0x00000004, &mctl_com->mcr0_2);
+       writel(0x00000019, &mctl_com->mcr1_2);
+       writel(0x00000004, &mctl_com->mcr0_3);
+       writel(0x00000080, &mctl_com->mcr1_3);
+       writel(0x00000004, &mctl_com->mcr0_4);
+       writel(0x01010040, &mctl_com->mcr1_4);
+       writel(0x00000004, &mctl_com->mcr0_5);
+       writel(0x0001002f, &mctl_com->mcr1_5);
+       writel(0x00000004, &mctl_com->mcr0_6);
+       writel(0x00010020, &mctl_com->mcr1_6);
+       writel(0x00000004, &mctl_com->mcr0_7);
+       writel(0x00010020, &mctl_com->mcr1_7);
+       writel(0x00000008, &mctl_com->mcr0_8);
+       writel(0x00000001, &mctl_com->mcr1_8);
+       writel(0x00000008, &mctl_com->mcr0_9);
+       writel(0x00000005, &mctl_com->mcr1_9);
+       writel(0x00000008, &mctl_com->mcr0_10);
+       writel(0x00000003, &mctl_com->mcr1_10);
+       writel(0x00000008, &mctl_com->mcr0_11);
+       writel(0x00000005, &mctl_com->mcr1_11);
+       writel(0x00000008, &mctl_com->mcr0_12);
+       writel(0x00000003, &mctl_com->mcr1_12);
+       writel(0x00000008, &mctl_com->mcr0_13);
+       writel(0x00000004, &mctl_com->mcr1_13);
+       writel(0x00000008, &mctl_com->mcr0_14);
+       writel(0x00000002, &mctl_com->mcr1_14);
+       writel(0x00000008, &mctl_com->mcr0_15);
+       writel(0x00000003, &mctl_com->mcr1_15);
+       writel(0x00010138, &mctl_com->bwcr);
+
+       return 1 << (rows + columns + bus);
+}
index f807af32f13931ff69fb02822a135d0c309afd66..f2119f30d108b353698b2b37aee7188ac7dd07e5 100644 (file)
@@ -273,7 +273,11 @@ struct sunxi_ccm_reg {
 #define CCM_HDMI_CTRL_DDC_GATE         (0x1 << 30)
 #define CCM_HDMI_CTRL_GATE             (0x1 << 31)
 
+#ifndef CONFIG_MACH_SUN8I
 #define MBUS_CLK_DEFAULT               0x81000001 /* PLL6 / 2 */
+#else
+#define MBUS_CLK_DEFAULT               0x81000003 /* PLL6 / 4 */
+#endif
 
 #define CCM_PLL5_PATTERN               0xd1303333
 
index a8a37d57f8549b76a63fb47cebb31dad4f8009f5..8d78029a9652bc30e8207de92f2f63d94e592951 100644 (file)
@@ -18,6 +18,8 @@
 /* dram regs definition */
 #if defined(CONFIG_MACH_SUN6I)
 #include <asm/arch/dram_sun6i.h>
+#elif defined(CONFIG_MACH_SUN8I)
+#include <asm/arch/dram_sun8i.h>
 #else
 #include <asm/arch/dram_sun4i.h>
 #endif
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i.h b/arch/arm/include/asm/arch-sunxi/dram_sun8i.h
new file mode 100644 (file)
index 0000000..06adee2
--- /dev/null
@@ -0,0 +1,266 @@
+/*
+ * Sun8i platform dram controller register and constant defines
+ *
+ * (C) Copyright 2007-2013
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * CPL <cplanxy@allwinnertech.com>
+ * Jerry Wang <wangflord@allwinnertech.com>
+ *
+ * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _SUNXI_DRAM_SUN8I_H
+#define _SUNXI_DRAM_SUN8I_H
+
+struct dram_para {
+       u32 clock;
+       u32 type;
+       u32 zq;
+       u32 odt_en;
+       u32 para1;
+       u32 para2;
+       u32 mr0;
+       u32 mr1;
+       u32 mr2;
+       u32 mr3;
+       u32 tpr0;
+       u32 tpr1;
+       u32 tpr2;
+       u32 tpr3;
+       u32 tpr4;
+       u32 tpr5;
+       u32 tpr6;
+       u32 tpr7;
+       u32 tpr8;
+       u32 tpr9;
+       u32 tpr10;
+       u32 tpr11;
+       u32 tpr12;
+       u32 tpr13;
+};
+
+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 */
+       u8 res1[0x4];           /* 0x98 */
+       u32 mcgcr;              /* 0x9c */
+       u32 bwctr;              /* 0xa0 */
+       u8 res2[0x4];           /* 0xa4 */
+       u32 swonr;              /* 0xa8 */
+       u32 swoffr;             /* 0xac */
+};
+
+struct sunxi_mctl_ctl_reg {
+       u32 mstr;               /* 0x00 */
+       u32 statr;              /* 0x04 */
+       u8 res0[0x08];          /* 0x08 */
+       u32 mrctrl0;            /* 0x10 */
+       u32 mrctrl1;            /* 0x14 */
+       u32 mrstatr;            /* 0x18 */
+       u8 res1[0x04];          /* 0x1c */
+       u32 derateen;           /* 0x20 */
+       u32 deratenint;         /* 0x24 */
+       u8 res2[0x08];          /* 0x28 */
+       u32 pwrctl;             /* 0x30 */
+       u32 pwrtmg;             /* 0x34 */
+       u8 res3[0x18];          /* 0x38 */
+       u32 rfshctl0;           /* 0x50 */
+       u32 rfshctl1;           /* 0x54 */
+       u8 res4[0x8];           /* 0x58 */
+       u32 rfshctl3;           /* 0x60 */
+       u32 rfshtmg;            /* 0x64 */
+       u8 res6[0x68];          /* 0x68 */
+       u32 init0;              /* 0xd0 */
+       u32 init1;              /* 0xd4 */
+       u32 init2;              /* 0xd8 */
+       u32 init3;              /* 0xdc */
+       u32 init4;              /* 0xe0 */
+       u32 init5;              /* 0xe4 */
+       u8 res7[0x0c];          /* 0xe8 */
+       u32 rankctl;            /* 0xf4 */
+       u8 res8[0x08];          /* 0xf8 */
+       u32 dramtmg0;           /* 0x100 */
+       u32 dramtmg1;           /* 0x104 */
+       u32 dramtmg2;           /* 0x108 */
+       u32 dramtmg3;           /* 0x10c */
+       u32 dramtmg4;           /* 0x110 */
+       u32 dramtmg5;           /* 0x114 */
+       u32 dramtmg6;           /* 0x118 */
+       u32 dramtmg7;           /* 0x11c */
+       u32 dramtmg8;           /* 0x120 */
+       u8 res9[0x5c];          /* 0x124 */
+       u32 zqctl0;             /* 0x180 */
+       u32 zqctl1;             /* 0x184 */
+       u32 zqctl2;             /* 0x188 */
+       u32 zqstat;             /* 0x18c */
+       u32 pitmg0;             /* 0x190 */
+       u32 pitmg1;             /* 0x194 */
+       u32 plpcfg0;            /* 0x198 */
+       u8 res10[0x04];         /* 0x19c */
+       u32 upd0;               /* 0x1a0 */
+       u32 upd1;               /* 0x1a4 */
+       u32 upd2;               /* 0x1a8 */
+       u32 upd3;               /* 0x1ac */
+       u32 pimisc;             /* 0x1b0 */
+       u8 res11[0x1c];         /* 0x1b4 */
+       u32 trainctl0;          /* 0x1d0 */
+       u32 trainctl1;          /* 0x1d4 */
+       u32 trainctl2;          /* 0x1d8 */
+       u32 trainstat;          /* 0x1dc */
+       u8 res12[0x60];         /* 0x1e0 */
+       u32 odtcfg;             /* 0x240 */
+       u32 odtmap;             /* 0x244 */
+       u8 res13[0x08];         /* 0x248 */
+       u32 sched;              /* 0x250 */
+       u8 res14[0x04];         /* 0x254 */
+       u32 perfshpr0;          /* 0x258 */
+       u32 perfshpr1;          /* 0x25c */
+       u32 perflpr0;           /* 0x260 */
+       u32 perflpr1;           /* 0x264 */
+       u32 perfwr0;            /* 0x268 */
+       u32 perfwr1;            /* 0x26c */
+};
+
+struct sunxi_mctl_phy_reg {
+       u8 res0[0x04];          /* 0x00 */
+       u32 pir;                /* 0x04 */
+       u32 pgcr0;              /* 0x08 phy general configuration register */
+       u32 pgcr1;              /* 0x0c phy general configuration register */
+       u32 pgsr0;              /* 0x10 */
+       u32 pgsr1;              /* 0x14 */
+       u32 dllgcr;             /* 0x18 */
+       u32 ptr0;               /* 0x1c */
+       u32 ptr1;               /* 0x20 */
+       u32 ptr2;               /* 0x24 */
+       u32 ptr3;               /* 0x28 */
+       u32 ptr4;               /* 0x2c */
+       u32 acmdlr;             /* 0x30 */
+       u32 acbdlr;             /* 0x34 */
+       u32 aciocr;             /* 0x38 */
+       u32 dxccr;              /* 0x3c DATX8 common configuration register */
+       u32 dsgcr;              /* 0x40 dram system general config register */
+       u32 dcr;                /* 0x44 */
+       u32 dtpr0;              /* 0x48 dram timing parameters register 0 */
+       u32 dtpr1;              /* 0x4c dram timing parameters register 1 */
+       u32 dtpr2;              /* 0x50 dram timing parameters register 2 */
+       u32 mr0;                /* 0x54 mode register 0 */
+       u32 mr1;                /* 0x58 mode register 1 */
+       u32 mr2;                /* 0x5c mode register 2 */
+       u32 mr3;                /* 0x60 mode register 3 */
+       u32 odtcr;              /* 0x64 */
+       u32 dtcr;               /* 0x68 */
+       u32 dtar0;              /* 0x6c data training address register 0 */
+       u32 dtar1;              /* 0x70 data training address register 1 */
+       u32 dtar2;              /* 0x74 data training address register 2 */
+       u32 dtar3;              /* 0x78 data training address register 3 */
+       u32 dtdr0;              /* 0x7c */
+       u32 dtdr1;              /* 0x80 */
+       u32 dtedr0;             /* 0x84 */
+       u32 dtedr1;             /* 0x88 */
+       u32 pgcr2;              /* 0x8c */
+       u8 res1[0x70];          /* 0x90 */
+       u32 bistrr;             /* 0x100 */
+       u32 bistwcr;            /* 0x104 */
+       u32 bistmskr0;          /* 0x108 */
+       u32 bistmskr1;          /* 0x10c */
+       u32 bistmskr2;          /* 0x110 */
+       u32 bistlsr;            /* 0x114 */
+       u32 bistar0;            /* 0x118 */
+       u32 bistar1;            /* 0x11c */
+       u32 bistar2;            /* 0x120 */
+       u32 bistupdr;           /* 0x124 */
+       u32 bistgsr;            /* 0x128 */
+       u32 bistwer;            /* 0x12c */
+       u32 bistber0;           /* 0x130 */
+       u32 bistber1;           /* 0x134 */
+       u32 bistber2;           /* 0x138 */
+       u32 bistber3;           /* 0x13c */
+       u32 bistwcsr;           /* 0x140 */
+       u32 bistfwr0;           /* 0x144 */
+       u32 bistfwr1;           /* 0x148 */
+       u32 bistfwr2;           /* 0x14c */
+       u8 res2[0x30];          /* 0x150 */
+       u32 zqcr0;              /* 0x180 zq control register 0 */
+       u32 zqcr1;              /* 0x184 zq control register 1 */
+       u32 zqsr0;              /* 0x188 zq status register 0 */
+       u32 zqsr1;              /* 0x18c zq status register 1 */
+       u32 zqcr2;              /* 0x190 zq control register 2 */
+       u8 res3[0x2c];          /* 0x194 */
+       u32 dx0gcr;             /* 0x1c0 */
+       u32 dx0gsr0;            /* 0x1c4 */
+       u32 dx0gsr1;            /* 0x1c8 */
+       u32 dx0bdlr0;           /* 0x1cc */
+       u32 dx0bdlr1;           /* 0x1d0 */
+       u32 dx0bdlr2;           /* 0x1d4 */
+       u32 dx0bdlr3;           /* 0x1d8 */
+       u32 dx0bdlr4;           /* 0x1dc */
+       u32 dx0lcdlr0;          /* 0x1e0 */
+       u32 dx0lcdlr1;          /* 0x1e4 */
+       u32 dx0lcdlr2;          /* 0x1e8 */
+       u32 dx0mdlr;            /* 0x1ec */
+       u32 dx0gtr;             /* 0x1f0 */
+       u32 dx0gsr2;            /* 0x1f4 */
+       u8 res4[0x08];          /* 0x1f8 */
+       u32 dx1gcr;             /* 0x200 */
+       u32 dx1gsr0;            /* 0x204 */
+       u32 dx1gsr1;            /* 0x208 */
+       u32 dx1bdlr0;           /* 0x20c */
+       u32 dx1bdlr1;           /* 0x210 */
+       u32 dx1bdlr2;           /* 0x214 */
+       u32 dx1bdlr3;           /* 0x218 */
+       u32 dx1bdlr4;           /* 0x21c */
+       u32 dx1lcdlr0;          /* 0x220 */
+       u32 dx1lcdlr1;          /* 0x224 */
+       u32 dx1lcdlr2;          /* 0x228 */
+       u32 dx1mdlr;            /* 0x22c */
+       u32 dx1gtr;             /* 0x230 */
+       u32 dx1gsr2;            /* 0x234 */
+};
+
+/*
+ * DRAM common (sunxi_mctl_com_reg) register constants.
+ */
+#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)           ((x) << 8)
+
+#endif /* _SUNXI_DRAM_SUN8I_H */
index 88f09fb349ddd67d324b94223a55cadbb38979a0..9bb593aed040607c728c007493aafb855431eddd 100644 (file)
@@ -29,10 +29,11 @@ config MACH_SUN7I
 config MACH_SUN8I
        bool "sun8i (Allwinner A23)"
        select CPU_V7
+       select SUPPORT_SPL
 
 endchoice
 
-if MACH_SUN6I
+if MACH_SUN6I || MACH_SUN8I
 
 config DRAM_CLK
        int "sun6i dram clock speed"
index 6f1fc48cf02d08cbbfc5b13f857ad892512c6d4e..792422d780e2fbb69125fc8ba40d5864b20b0074 100644 (file)
@@ -12,6 +12,8 @@
 /*
  * A23 specific configuration
  */
+#define CONFIG_CLK_FULL_SPEED  1008000000
+
 #define CONFIG_SYS_PROMPT      "sun8i# "
 
 /*