board/renesas/stout/stout_spl.c - platform/external/u-boot - Gitiles

 // SPDX-License-Identifier: GPL-2.0
 /*
  * board/renesas/stout/stout_spl.c
  *
  * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
  */

 #include <common.h>
 #include <cpu_func.h>
 #include <malloc.h>
 #include <dm/platform_data/serial_sh.h>
 #include <asm/processor.h>
 #include <asm/mach-types.h>
 #include <asm/io.h>
 #include <linux/errno.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/arch/rmobile.h>
 #include <asm/arch/rcar-mstp.h>

 #include <spl.h>

 #define TMU0_MSTP125	BIT(25)
 #define SCIFA0_MSTP204	BIT(4)
 #define QSPI_MSTP917	BIT(17)

 #define SD2CKCR		0xE615026C
 #define SD_97500KHZ	0x7

 struct reg_config {
 	u16	off;
 	u32	val;
 };

 static void dbsc_wait(u16 reg)
 {
 	static const u32 dbsc3_0_base = DBSC3_0_BASE;
 	static const u32 dbsc3_1_base = DBSC3_0_BASE + 0x10000;

 	while (!(readl(dbsc3_0_base + reg) & BIT(0)))
 		;

 	while (!(readl(dbsc3_1_base + reg) & BIT(0)))
 		;
 }

 static void spl_init_sys(void)
 {
 	u32 r0 = 0;

 	writel(0xa5a5a500, 0xe6020004);
 	writel(0xa5a5a500, 0xe6030004);

 	asm volatile(
 		/* ICIALLU - Invalidate I$ to PoU */
 		"mcr	15, 0, %0, cr7, cr5, 0	\n"
 		/* BPIALL - Invalidate branch predictors */
 		"mcr	15, 0, %0, cr7, cr5, 6	\n"
 		/* Set SCTLR[IZ] */
 		"mrc	15, 0, %0, cr1, cr0, 0	\n"
 		"orr	%0, #0x1800		\n"
 		"mcr	15, 0, %0, cr1, cr0, 0	\n"
 		"isb	sy			\n"
 		:"=r"(r0));
 }

 static void spl_init_pfc(void)
 {
 	static const struct reg_config pfc_with_unlock[] = {
 		{ 0x0090, 0x00140300 },
 		{ 0x0094, 0x09500000 },
 		{ 0x0098, 0xc0000084 },
 		{ 0x0020, 0x01a33492 },
 		{ 0x0024, 0x10000000 },
 		{ 0x0028, 0x08449252 },
 		{ 0x002c, 0x2925b322 },
 		{ 0x0030, 0x0c311249 },
 		{ 0x0034, 0x10124000 },
 		{ 0x0038, 0x00001295 },
 		{ 0x003c, 0x50890000 },
 		{ 0x0040, 0x0eaa56aa },
 		{ 0x0044, 0x55550000 },
 		{ 0x0048, 0x00000005 },
 		{ 0x004c, 0x54800000 },
 		{ 0x0050, 0x3736db55 },
 		{ 0x0054, 0x29148da3 },
 		{ 0x0058, 0x48c446e1 },
 		{ 0x005c, 0x2a3a54dc },
 		{ 0x0160, 0x00000023 },
 		{ 0x0004, 0xfca0ffff },
 		{ 0x0008, 0x3fbffbf0 },
 		{ 0x000c, 0x3ffdffff },
 		{ 0x0010, 0x00ffffff },
 		{ 0x0014, 0xfc3ffff3 },
 		{ 0x0018, 0xe4fdfff7 },
 	};

 	static const struct reg_config pfc_without_unlock[] = {
 		{ 0x0104, 0xffffbfff },
 		{ 0x0108, 0xb1ffffe1 },
 		{ 0x010c, 0xffffffff },
 		{ 0x0110, 0xffffffff },
 		{ 0x0114, 0xe047beab },
 		{ 0x0118, 0x00000203 },
 	};

 	static const u32 pfc_base = 0xe6060000;

 	unsigned int i;

 	for (i = 0; i < ARRAY_SIZE(pfc_with_unlock); i++) {
 		writel(~pfc_with_unlock[i].val, pfc_base);
 		writel(pfc_with_unlock[i].val,
 		       pfc_base | pfc_with_unlock[i].off);
 	}

 	for (i = 0; i < ARRAY_SIZE(pfc_without_unlock); i++)
 		writel(pfc_without_unlock[i].val,
 		       pfc_base | pfc_without_unlock[i].off);
 }

 static void spl_init_gpio(void)
 {
 	static const u16 gpio_offs[] = {
 		0x1000, 0x3000, 0x4000, 0x5000
 	};

 	static const struct reg_config gpio_set[] = {
 		{ 0x4000, 0x00c00000 },
 		{ 0x5000, 0x63020000 },
 	};

 	static const struct reg_config gpio_clr[] = {
 		{ 0x1000, 0x00000000 },
 		{ 0x3000, 0x00000000 },
 		{ 0x4000, 0x00c00000 },
 		{ 0x5000, 0xe3020000 },
 	};

 	static const u32 gpio_base = 0xe6050000;

 	unsigned int i;

 	for (i = 0; i < ARRAY_SIZE(gpio_offs); i++)
 		writel(0, gpio_base | 0x20 | gpio_offs[i]);

 	for (i = 0; i < ARRAY_SIZE(gpio_offs); i++)
 		writel(0, gpio_base | 0x00 | gpio_offs[i]);

 	for (i = 0; i < ARRAY_SIZE(gpio_set); i++)
 		writel(gpio_set[i].val, gpio_base | 0x08 | gpio_set[i].off);

 	for (i = 0; i < ARRAY_SIZE(gpio_clr); i++)
 		writel(gpio_clr[i].val, gpio_base | 0x04 | gpio_clr[i].off);
 }

 static void spl_init_lbsc(void)
 {
 	static const struct reg_config lbsc_config[] = {
 		{ 0x00, 0x00000020 },
 		{ 0x08, 0x00002020 },
 		{ 0x30, 0x02150326 },
 		{ 0x38, 0x077f077f },
 	};

 	static const u16 lbsc_offs[] = {
 		0x80, 0x84, 0x88, 0x8c, 0xa0, 0xc0, 0xc4, 0xc8, 0x180
 	};

 	static const u32 lbsc_base = 0xfec00200;

 	unsigned int i;

 	for (i = 0; i < ARRAY_SIZE(lbsc_config); i++) {
 		writel(lbsc_config[i].val,
 		       lbsc_base | lbsc_config[i].off);
 		writel(lbsc_config[i].val,
 		       lbsc_base | (lbsc_config[i].off + 4));
 	}

 	for (i = 0; i < ARRAY_SIZE(lbsc_offs); i++)
 		writel(0, lbsc_base | lbsc_offs[i]);
 }

 static void spl_init_dbsc(void)
 {
 	static const struct reg_config dbsc_config1[] = {
 		{ 0x0280, 0x0000a55a },
 		{ 0x0018, 0x21000000 },
 		{ 0x0018, 0x11000000 },
 		{ 0x0018, 0x10000000 },
 		{ 0x0290, 0x00000001 },
 		{ 0x02a0, 0x80000000 },
 		{ 0x0290, 0x00000004 },
 	};

 	static const struct reg_config dbsc_config2[] = {
 		{ 0x0290, 0x00000006 },
 		{ 0x02a0, 0x0001c000 },
 	};

 	static const struct reg_config dbsc_config3r0d0[] = {
 		{ 0x0290, 0x0000000f },
 		{ 0x02a0, 0x00181885 },
 		{ 0x0290, 0x00000070 },
 		{ 0x02a0, 0x7c000887 },
 		{ 0x0290, 0x00000080 },
 		{ 0x02a0, 0x7c000887 },
 		{ 0x0290, 0x00000090 },
 		{ 0x02a0, 0x7c000887 },
 		{ 0x0290, 0x000000a0 },
 		{ 0x02a0, 0x7c000887 },
 		{ 0x0290, 0x000000b0 },
 		{ 0x02a0, 0x7c000880 },
 		{ 0x0290, 0x000000c0 },
 		{ 0x02a0, 0x7c000880 },
 		{ 0x0290, 0x000000d0 },
 		{ 0x02a0, 0x7c000880 },
 		{ 0x0290, 0x000000e0 },
 		{ 0x02a0, 0x7c000880 },
 	};

 	static const struct reg_config dbsc_config3r0d1[] = {
 		{ 0x0290, 0x0000000f },
 		{ 0x02a0, 0x00181885 },
 		{ 0x0290, 0x00000070 },
 		{ 0x02a0, 0x7c000887 },
 		{ 0x0290, 0x00000080 },
 		{ 0x02a0, 0x7c000887 },
 		{ 0x0290, 0x00000090 },
 		{ 0x02a0, 0x7c000887 },
 		{ 0x0290, 0x000000a0 },
 		{ 0x02a0, 0x7c000887 },
 	};

 	static const struct reg_config dbsc_config3r2[] = {
 		{ 0x0290, 0x0000000f },
 		{ 0x02a0, 0x00181224 },
 	};

 	static const struct reg_config dbsc_config4[] = {
 		{ 0x0290, 0x00000010 },
 		{ 0x02a0, 0xf004649b },
 		{ 0x0290, 0x00000061 },
 		{ 0x02a0, 0x0000006d },
 		{ 0x0290, 0x00000001 },
 		{ 0x02a0, 0x00000073 },
 		{ 0x0020, 0x00000007 },
 		{ 0x0024, 0x0f030a02 },
 		{ 0x0030, 0x00000001 },
 		{ 0x00b0, 0x00000000 },
 		{ 0x0040, 0x0000000b },
 		{ 0x0044, 0x00000008 },
 		{ 0x0048, 0x00000000 },
 		{ 0x0050, 0x0000000b },
 		{ 0x0054, 0x000c000b },
 		{ 0x0058, 0x00000027 },
 		{ 0x005c, 0x0000001c },
 		{ 0x0060, 0x00000006 },
 		{ 0x0064, 0x00000020 },
 		{ 0x0068, 0x00000008 },
 		{ 0x006c, 0x0000000c },
 		{ 0x0070, 0x00000009 },
 		{ 0x0074, 0x00000012 },
 		{ 0x0078, 0x000000d0 },
 		{ 0x007c, 0x00140005 },
 		{ 0x0080, 0x00050004 },
 		{ 0x0084, 0x70233005 },
 		{ 0x0088, 0x000c0000 },
 		{ 0x008c, 0x00000200 },
 		{ 0x0090, 0x00000040 },
 		{ 0x0100, 0x00000001 },
 		{ 0x00c0, 0x00020001 },
 		{ 0x00c8, 0x20042004 },
 		{ 0x0380, 0x00020002 },
 		{ 0x0390, 0x0000001f },
 	};

 	static const struct reg_config dbsc_config5[] = {
 		{ 0x0244, 0x00000011 },
 		{ 0x0290, 0x00000003 },
 		{ 0x02a0, 0x0300c4e1 },
 		{ 0x0290, 0x00000023 },
 		{ 0x02a0, 0x00fcdb60 },
 		{ 0x0290, 0x00000011 },
 		{ 0x02a0, 0x1000040b },
 		{ 0x0290, 0x00000012 },
 		{ 0x02a0, 0x9d9cbb66 },
 		{ 0x0290, 0x00000013 },
 		{ 0x02a0, 0x1a868400 },
 		{ 0x0290, 0x00000014 },
 		{ 0x02a0, 0x300214d8 },
 		{ 0x0290, 0x00000015 },
 		{ 0x02a0, 0x00000d70 },
 		{ 0x0290, 0x00000016 },
 		{ 0x02a0, 0x00000006 },
 		{ 0x0290, 0x00000017 },
 		{ 0x02a0, 0x00000018 },
 		{ 0x0290, 0x0000001a },
 		{ 0x02a0, 0x910035c7 },
 		{ 0x0290, 0x00000004 },
 	};

 	static const struct reg_config dbsc_config6[] = {
 		{ 0x0290, 0x00000001 },
 		{ 0x02a0, 0x00000181 },
 		{ 0x0018, 0x11000000 },
 		{ 0x0290, 0x00000004 },
 	};

 	static const struct reg_config dbsc_config7[] = {
 		{ 0x0290, 0x00000001 },
 		{ 0x02a0, 0x0000fe01 },
 		{ 0x0304, 0x00000000 },
 		{ 0x00f4, 0x01004c20 },
 		{ 0x00f8, 0x014000aa },
 		{ 0x00e0, 0x00000140 },
 		{ 0x00e4, 0x00081860 },
 		{ 0x00e8, 0x00010000 },
 		{ 0x0290, 0x00000004 },
 	};

 	static const struct reg_config dbsc_config8[] = {
 		{ 0x0014, 0x00000001 },
 		{ 0x0010, 0x00000001 },
 		{ 0x0280, 0x00000000 },
 	};

 	static const u32 dbsc3_0_base = DBSC3_0_BASE;
 	static const u32 dbsc3_1_base = DBSC3_0_BASE + 0x10000;
 	static const u32 prr_base = 0xff000044;
 	const u16 prr_rev = readl(prr_base) & 0x7fff;
 	unsigned int i;

 	for (i = 0; i < ARRAY_SIZE(dbsc_config1); i++) {
 		writel(dbsc_config1[i].val, dbsc3_0_base | dbsc_config1[i].off);
 		writel(dbsc_config1[i].val, dbsc3_1_base | dbsc_config1[i].off);
 	}

 	dbsc_wait(0x2a0);

 	for (i = 0; i < ARRAY_SIZE(dbsc_config2); i++) {
 		writel(dbsc_config2[i].val, dbsc3_0_base | dbsc_config2[i].off);
 		writel(dbsc_config2[i].val, dbsc3_1_base | dbsc_config2[i].off);
 	}

 	if (prr_rev == 0x4500) {
 		for (i = 0; i < ARRAY_SIZE(dbsc_config3r0d0); i++) {
 			writel(dbsc_config3r0d0[i].val,
 				dbsc3_0_base | dbsc_config3r0d0[i].off);
 		}
 		for (i = 0; i < ARRAY_SIZE(dbsc_config3r0d1); i++) {
 			writel(dbsc_config3r0d1[i].val,
 				dbsc3_1_base | dbsc_config3r0d1[i].off);
 		}
 	} else if (prr_rev != 0x4510) {
 		for (i = 0; i < ARRAY_SIZE(dbsc_config3r2); i++) {
 			writel(dbsc_config3r2[i].val,
 				dbsc3_0_base | dbsc_config3r2[i].off);
 			writel(dbsc_config3r2[i].val,
 				dbsc3_1_base | dbsc_config3r2[i].off);
 		}
 	}

 	for (i = 0; i < ARRAY_SIZE(dbsc_config4); i++) {
 		writel(dbsc_config4[i].val, dbsc3_0_base | dbsc_config4[i].off);
 		writel(dbsc_config4[i].val, dbsc3_1_base | dbsc_config4[i].off);
 	}

 	dbsc_wait(0x240);

 	for (i = 0; i < ARRAY_SIZE(dbsc_config5); i++) {
 		writel(dbsc_config5[i].val, dbsc3_0_base | dbsc_config5[i].off);
 		writel(dbsc_config5[i].val, dbsc3_1_base | dbsc_config5[i].off);
 	}

 	dbsc_wait(0x2a0);

 	for (i = 0; i < ARRAY_SIZE(dbsc_config6); i++) {
 		writel(dbsc_config6[i].val, dbsc3_0_base | dbsc_config6[i].off);
 		writel(dbsc_config6[i].val, dbsc3_1_base | dbsc_config6[i].off);
 	}

 	dbsc_wait(0x2a0);

 	for (i = 0; i < ARRAY_SIZE(dbsc_config7); i++) {
 		writel(dbsc_config7[i].val, dbsc3_0_base | dbsc_config7[i].off);
 		writel(dbsc_config7[i].val, dbsc3_1_base | dbsc_config7[i].off);
 	}

 	dbsc_wait(0x2a0);

 	for (i = 0; i < ARRAY_SIZE(dbsc_config8); i++) {
 		writel(dbsc_config8[i].val, dbsc3_0_base | dbsc_config8[i].off);
 		writel(dbsc_config8[i].val, dbsc3_1_base | dbsc_config8[i].off);
 	}

 }

 static void spl_init_qspi(void)
 {
 	mstp_clrbits_le32(MSTPSR9, SMSTPCR9, QSPI_MSTP917);

 	static const u32 qspi_base = 0xe6b10000;

 	writeb(0x08, qspi_base + 0x00);
 	writeb(0x00, qspi_base + 0x01);
 	writeb(0x06, qspi_base + 0x02);
 	writeb(0x01, qspi_base + 0x0a);
 	writeb(0x00, qspi_base + 0x0b);
 	writeb(0x00, qspi_base + 0x0c);
 	writeb(0x00, qspi_base + 0x0d);
 	writeb(0x00, qspi_base + 0x0e);

 	writew(0xe080, qspi_base + 0x10);

 	writeb(0xc0, qspi_base + 0x18);
 	writeb(0x00, qspi_base + 0x18);
 	writeb(0x00, qspi_base + 0x08);
 	writeb(0x48, qspi_base + 0x00);
 }

 void board_init_f(ulong dummy)
 {
 	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
 	mstp_clrbits_le32(MSTPSR2, SMSTPCR2, SCIFA0_MSTP204);

 	/*
 	 * SD0 clock is set to 97.5MHz by default.
 	 * Set SD2 to the 97.5MHz as well.
 	 */
 	writel(SD_97500KHZ, SD2CKCR);

 	spl_init_sys();
 	spl_init_pfc();
 	spl_init_gpio();
 	spl_init_lbsc();
 	spl_init_dbsc();
 	spl_init_qspi();
 }

 void spl_board_init(void)
 {
 	/* UART clocks enabled and gd valid - init serial console */
 	preloader_console_init();
 }

 void board_boot_order(u32 *spl_boot_list)
 {
 	const u32 jtag_magic = 0x1337c0de;
 	const u32 load_magic = 0xb33fc0de;

 	/*
 	 * If JTAG probe sets special word at 0xe6300020, then it must
 	 * put U-Boot into RAM and SPL will start it from RAM.
 	 */
 	if (readl(CONFIG_SPL_TEXT_BASE + 0x20) == jtag_magic) {
 		printf("JTAG boot detected!\n");

 		while (readl(CONFIG_SPL_TEXT_BASE + 0x24) != load_magic)
 			;

 		spl_boot_list[0] = BOOT_DEVICE_RAM;
 		spl_boot_list[1] = BOOT_DEVICE_NONE;

 		return;
 	}

 	/* Boot from SPI NOR with YMODEM UART fallback. */
 	spl_boot_list[0] = BOOT_DEVICE_SPI;
 	spl_boot_list[1] = BOOT_DEVICE_UART;
 	spl_boot_list[2] = BOOT_DEVICE_NONE;
 }

 void reset_cpu(ulong addr)
 {
 }
	// SPDX-License-Identifier: GPL-2.0
	/*
	* board/renesas/stout/stout_spl.c
	*
	* Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
	*/

	#include <common.h>
	#include <cpu_func.h>
	#include <malloc.h>
	#include <dm/platform_data/serial_sh.h>
	#include <asm/processor.h>
	#include <asm/mach-types.h>
	#include <asm/io.h>
	#include <linux/errno.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/gpio.h>
	#include <asm/arch/rmobile.h>
	#include <asm/arch/rcar-mstp.h>

	#include <spl.h>

	#define TMU0_MSTP125 BIT(25)
	#define SCIFA0_MSTP204 BIT(4)
	#define QSPI_MSTP917 BIT(17)

	#define SD2CKCR 0xE615026C
	#define SD_97500KHZ 0x7

	struct reg_config {
	u16 off;
	u32 val;
	};

	static void dbsc_wait(u16 reg)
	{
	static const u32 dbsc3_0_base = DBSC3_0_BASE;
	static const u32 dbsc3_1_base = DBSC3_0_BASE + 0x10000;

	while (!(readl(dbsc3_0_base + reg) & BIT(0)))
	;

	while (!(readl(dbsc3_1_base + reg) & BIT(0)))
	;
	}

	static void spl_init_sys(void)
	{
	u32 r0 = 0;

	writel(0xa5a5a500, 0xe6020004);
	writel(0xa5a5a500, 0xe6030004);

	asm volatile(
	/* ICIALLU - Invalidate I$ to PoU */
	"mcr 15, 0, %0, cr7, cr5, 0 \n"
	/* BPIALL - Invalidate branch predictors */
	"mcr 15, 0, %0, cr7, cr5, 6 \n"
	/* Set SCTLR[IZ] */
	"mrc 15, 0, %0, cr1, cr0, 0 \n"
	"orr %0, #0x1800 \n"
	"mcr 15, 0, %0, cr1, cr0, 0 \n"
	"isb sy \n"
	:"=r"(r0));
	}

	static void spl_init_pfc(void)
	{
	static const struct reg_config pfc_with_unlock[] = {
	{ 0x0090, 0x00140300 },
	{ 0x0094, 0x09500000 },
	{ 0x0098, 0xc0000084 },
	{ 0x0020, 0x01a33492 },
	{ 0x0024, 0x10000000 },
	{ 0x0028, 0x08449252 },
	{ 0x002c, 0x2925b322 },
	{ 0x0030, 0x0c311249 },
	{ 0x0034, 0x10124000 },
	{ 0x0038, 0x00001295 },
	{ 0x003c, 0x50890000 },
	{ 0x0040, 0x0eaa56aa },
	{ 0x0044, 0x55550000 },
	{ 0x0048, 0x00000005 },
	{ 0x004c, 0x54800000 },
	{ 0x0050, 0x3736db55 },
	{ 0x0054, 0x29148da3 },
	{ 0x0058, 0x48c446e1 },
	{ 0x005c, 0x2a3a54dc },
	{ 0x0160, 0x00000023 },
	{ 0x0004, 0xfca0ffff },
	{ 0x0008, 0x3fbffbf0 },
	{ 0x000c, 0x3ffdffff },
	{ 0x0010, 0x00ffffff },
	{ 0x0014, 0xfc3ffff3 },
	{ 0x0018, 0xe4fdfff7 },
	};

	static const struct reg_config pfc_without_unlock[] = {
	{ 0x0104, 0xffffbfff },
	{ 0x0108, 0xb1ffffe1 },
	{ 0x010c, 0xffffffff },
	{ 0x0110, 0xffffffff },
	{ 0x0114, 0xe047beab },
	{ 0x0118, 0x00000203 },
	};

	static const u32 pfc_base = 0xe6060000;

	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(pfc_with_unlock); i++) {
	writel(~pfc_with_unlock[i].val, pfc_base);
	writel(pfc_with_unlock[i].val,
	pfc_base \| pfc_with_unlock[i].off);
	}

	for (i = 0; i < ARRAY_SIZE(pfc_without_unlock); i++)
	writel(pfc_without_unlock[i].val,
	pfc_base \| pfc_without_unlock[i].off);
	}

	static void spl_init_gpio(void)
	{
	static const u16 gpio_offs[] = {
	0x1000, 0x3000, 0x4000, 0x5000
	};

	static const struct reg_config gpio_set[] = {
	{ 0x4000, 0x00c00000 },
	{ 0x5000, 0x63020000 },
	};

	static const struct reg_config gpio_clr[] = {
	{ 0x1000, 0x00000000 },
	{ 0x3000, 0x00000000 },
	{ 0x4000, 0x00c00000 },
	{ 0x5000, 0xe3020000 },
	};

	static const u32 gpio_base = 0xe6050000;

	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(gpio_offs); i++)
	writel(0, gpio_base \| 0x20 \| gpio_offs[i]);

	for (i = 0; i < ARRAY_SIZE(gpio_offs); i++)
	writel(0, gpio_base \| 0x00 \| gpio_offs[i]);

	for (i = 0; i < ARRAY_SIZE(gpio_set); i++)
	writel(gpio_set[i].val, gpio_base \| 0x08 \| gpio_set[i].off);

	for (i = 0; i < ARRAY_SIZE(gpio_clr); i++)
	writel(gpio_clr[i].val, gpio_base \| 0x04 \| gpio_clr[i].off);
	}

	static void spl_init_lbsc(void)
	{
	static const struct reg_config lbsc_config[] = {
	{ 0x00, 0x00000020 },
	{ 0x08, 0x00002020 },
	{ 0x30, 0x02150326 },
	{ 0x38, 0x077f077f },
	};

	static const u16 lbsc_offs[] = {
	0x80, 0x84, 0x88, 0x8c, 0xa0, 0xc0, 0xc4, 0xc8, 0x180
	};

	static const u32 lbsc_base = 0xfec00200;

	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(lbsc_config); i++) {
	writel(lbsc_config[i].val,
	lbsc_base \| lbsc_config[i].off);
	writel(lbsc_config[i].val,
	lbsc_base \| (lbsc_config[i].off + 4));
	}

	for (i = 0; i < ARRAY_SIZE(lbsc_offs); i++)
	writel(0, lbsc_base \| lbsc_offs[i]);
	}

	static void spl_init_dbsc(void)
	{
	static const struct reg_config dbsc_config1[] = {
	{ 0x0280, 0x0000a55a },
	{ 0x0018, 0x21000000 },
	{ 0x0018, 0x11000000 },
	{ 0x0018, 0x10000000 },
	{ 0x0290, 0x00000001 },
	{ 0x02a0, 0x80000000 },
	{ 0x0290, 0x00000004 },
	};

	static const struct reg_config dbsc_config2[] = {
	{ 0x0290, 0x00000006 },
	{ 0x02a0, 0x0001c000 },
	};

	static const struct reg_config dbsc_config3r0d0[] = {
	{ 0x0290, 0x0000000f },
	{ 0x02a0, 0x00181885 },
	{ 0x0290, 0x00000070 },
	{ 0x02a0, 0x7c000887 },
	{ 0x0290, 0x00000080 },
	{ 0x02a0, 0x7c000887 },
	{ 0x0290, 0x00000090 },
	{ 0x02a0, 0x7c000887 },
	{ 0x0290, 0x000000a0 },
	{ 0x02a0, 0x7c000887 },
	{ 0x0290, 0x000000b0 },
	{ 0x02a0, 0x7c000880 },
	{ 0x0290, 0x000000c0 },
	{ 0x02a0, 0x7c000880 },
	{ 0x0290, 0x000000d0 },
	{ 0x02a0, 0x7c000880 },
	{ 0x0290, 0x000000e0 },
	{ 0x02a0, 0x7c000880 },
	};

	static const struct reg_config dbsc_config3r0d1[] = {
	{ 0x0290, 0x0000000f },
	{ 0x02a0, 0x00181885 },
	{ 0x0290, 0x00000070 },
	{ 0x02a0, 0x7c000887 },
	{ 0x0290, 0x00000080 },
	{ 0x02a0, 0x7c000887 },
	{ 0x0290, 0x00000090 },
	{ 0x02a0, 0x7c000887 },
	{ 0x0290, 0x000000a0 },
	{ 0x02a0, 0x7c000887 },
	};

	static const struct reg_config dbsc_config3r2[] = {
	{ 0x0290, 0x0000000f },
	{ 0x02a0, 0x00181224 },
	};

	static const struct reg_config dbsc_config4[] = {
	{ 0x0290, 0x00000010 },
	{ 0x02a0, 0xf004649b },
	{ 0x0290, 0x00000061 },
	{ 0x02a0, 0x0000006d },
	{ 0x0290, 0x00000001 },
	{ 0x02a0, 0x00000073 },
	{ 0x0020, 0x00000007 },
	{ 0x0024, 0x0f030a02 },
	{ 0x0030, 0x00000001 },
	{ 0x00b0, 0x00000000 },
	{ 0x0040, 0x0000000b },
	{ 0x0044, 0x00000008 },
	{ 0x0048, 0x00000000 },
	{ 0x0050, 0x0000000b },
	{ 0x0054, 0x000c000b },
	{ 0x0058, 0x00000027 },
	{ 0x005c, 0x0000001c },
	{ 0x0060, 0x00000006 },
	{ 0x0064, 0x00000020 },
	{ 0x0068, 0x00000008 },
	{ 0x006c, 0x0000000c },
	{ 0x0070, 0x00000009 },
	{ 0x0074, 0x00000012 },
	{ 0x0078, 0x000000d0 },
	{ 0x007c, 0x00140005 },
	{ 0x0080, 0x00050004 },
	{ 0x0084, 0x70233005 },
	{ 0x0088, 0x000c0000 },
	{ 0x008c, 0x00000200 },
	{ 0x0090, 0x00000040 },
	{ 0x0100, 0x00000001 },
	{ 0x00c0, 0x00020001 },
	{ 0x00c8, 0x20042004 },
	{ 0x0380, 0x00020002 },
	{ 0x0390, 0x0000001f },
	};

	static const struct reg_config dbsc_config5[] = {
	{ 0x0244, 0x00000011 },
	{ 0x0290, 0x00000003 },
	{ 0x02a0, 0x0300c4e1 },
	{ 0x0290, 0x00000023 },
	{ 0x02a0, 0x00fcdb60 },
	{ 0x0290, 0x00000011 },
	{ 0x02a0, 0x1000040b },
	{ 0x0290, 0x00000012 },
	{ 0x02a0, 0x9d9cbb66 },
	{ 0x0290, 0x00000013 },
	{ 0x02a0, 0x1a868400 },
	{ 0x0290, 0x00000014 },
	{ 0x02a0, 0x300214d8 },
	{ 0x0290, 0x00000015 },
	{ 0x02a0, 0x00000d70 },
	{ 0x0290, 0x00000016 },
	{ 0x02a0, 0x00000006 },
	{ 0x0290, 0x00000017 },
	{ 0x02a0, 0x00000018 },
	{ 0x0290, 0x0000001a },
	{ 0x02a0, 0x910035c7 },
	{ 0x0290, 0x00000004 },
	};

	static const struct reg_config dbsc_config6[] = {
	{ 0x0290, 0x00000001 },
	{ 0x02a0, 0x00000181 },
	{ 0x0018, 0x11000000 },
	{ 0x0290, 0x00000004 },
	};

	static const struct reg_config dbsc_config7[] = {
	{ 0x0290, 0x00000001 },
	{ 0x02a0, 0x0000fe01 },
	{ 0x0304, 0x00000000 },
	{ 0x00f4, 0x01004c20 },
	{ 0x00f8, 0x014000aa },
	{ 0x00e0, 0x00000140 },
	{ 0x00e4, 0x00081860 },
	{ 0x00e8, 0x00010000 },
	{ 0x0290, 0x00000004 },
	};

	static const struct reg_config dbsc_config8[] = {
	{ 0x0014, 0x00000001 },
	{ 0x0010, 0x00000001 },
	{ 0x0280, 0x00000000 },
	};

	static const u32 dbsc3_0_base = DBSC3_0_BASE;
	static const u32 dbsc3_1_base = DBSC3_0_BASE + 0x10000;
	static const u32 prr_base = 0xff000044;
	const u16 prr_rev = readl(prr_base) & 0x7fff;
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(dbsc_config1); i++) {
	writel(dbsc_config1[i].val, dbsc3_0_base \| dbsc_config1[i].off);
	writel(dbsc_config1[i].val, dbsc3_1_base \| dbsc_config1[i].off);
	}

	dbsc_wait(0x2a0);

	for (i = 0; i < ARRAY_SIZE(dbsc_config2); i++) {
	writel(dbsc_config2[i].val, dbsc3_0_base \| dbsc_config2[i].off);
	writel(dbsc_config2[i].val, dbsc3_1_base \| dbsc_config2[i].off);
	}

	if (prr_rev == 0x4500) {
	for (i = 0; i < ARRAY_SIZE(dbsc_config3r0d0); i++) {
	writel(dbsc_config3r0d0[i].val,
	dbsc3_0_base \| dbsc_config3r0d0[i].off);
	}
	for (i = 0; i < ARRAY_SIZE(dbsc_config3r0d1); i++) {
	writel(dbsc_config3r0d1[i].val,
	dbsc3_1_base \| dbsc_config3r0d1[i].off);
	}
	} else if (prr_rev != 0x4510) {
	for (i = 0; i < ARRAY_SIZE(dbsc_config3r2); i++) {
	writel(dbsc_config3r2[i].val,
	dbsc3_0_base \| dbsc_config3r2[i].off);
	writel(dbsc_config3r2[i].val,
	dbsc3_1_base \| dbsc_config3r2[i].off);
	}
	}

	for (i = 0; i < ARRAY_SIZE(dbsc_config4); i++) {
	writel(dbsc_config4[i].val, dbsc3_0_base \| dbsc_config4[i].off);
	writel(dbsc_config4[i].val, dbsc3_1_base \| dbsc_config4[i].off);
	}

	dbsc_wait(0x240);

	for (i = 0; i < ARRAY_SIZE(dbsc_config5); i++) {
	writel(dbsc_config5[i].val, dbsc3_0_base \| dbsc_config5[i].off);
	writel(dbsc_config5[i].val, dbsc3_1_base \| dbsc_config5[i].off);
	}

	dbsc_wait(0x2a0);

	for (i = 0; i < ARRAY_SIZE(dbsc_config6); i++) {
	writel(dbsc_config6[i].val, dbsc3_0_base \| dbsc_config6[i].off);
	writel(dbsc_config6[i].val, dbsc3_1_base \| dbsc_config6[i].off);
	}

	dbsc_wait(0x2a0);

	for (i = 0; i < ARRAY_SIZE(dbsc_config7); i++) {
	writel(dbsc_config7[i].val, dbsc3_0_base \| dbsc_config7[i].off);
	writel(dbsc_config7[i].val, dbsc3_1_base \| dbsc_config7[i].off);
	}

	dbsc_wait(0x2a0);

	for (i = 0; i < ARRAY_SIZE(dbsc_config8); i++) {
	writel(dbsc_config8[i].val, dbsc3_0_base \| dbsc_config8[i].off);
	writel(dbsc_config8[i].val, dbsc3_1_base \| dbsc_config8[i].off);
	}

	}

	static void spl_init_qspi(void)
	{
	mstp_clrbits_le32(MSTPSR9, SMSTPCR9, QSPI_MSTP917);

	static const u32 qspi_base = 0xe6b10000;

	writeb(0x08, qspi_base + 0x00);
	writeb(0x00, qspi_base + 0x01);
	writeb(0x06, qspi_base + 0x02);
	writeb(0x01, qspi_base + 0x0a);
	writeb(0x00, qspi_base + 0x0b);
	writeb(0x00, qspi_base + 0x0c);
	writeb(0x00, qspi_base + 0x0d);
	writeb(0x00, qspi_base + 0x0e);

	writew(0xe080, qspi_base + 0x10);

	writeb(0xc0, qspi_base + 0x18);
	writeb(0x00, qspi_base + 0x18);
	writeb(0x00, qspi_base + 0x08);
	writeb(0x48, qspi_base + 0x00);
	}

	void board_init_f(ulong dummy)
	{
	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
	mstp_clrbits_le32(MSTPSR2, SMSTPCR2, SCIFA0_MSTP204);

	/*
	* SD0 clock is set to 97.5MHz by default.
	* Set SD2 to the 97.5MHz as well.
	*/
	writel(SD_97500KHZ, SD2CKCR);

	spl_init_sys();
	spl_init_pfc();
	spl_init_gpio();
	spl_init_lbsc();
	spl_init_dbsc();
	spl_init_qspi();
	}

	void spl_board_init(void)
	{
	/* UART clocks enabled and gd valid - init serial console */
	preloader_console_init();
	}

	void board_boot_order(u32 *spl_boot_list)
	{
	const u32 jtag_magic = 0x1337c0de;
	const u32 load_magic = 0xb33fc0de;

	/*
	* If JTAG probe sets special word at 0xe6300020, then it must
	* put U-Boot into RAM and SPL will start it from RAM.
	*/
	if (readl(CONFIG_SPL_TEXT_BASE + 0x20) == jtag_magic) {
	printf("JTAG boot detected!\n");

	while (readl(CONFIG_SPL_TEXT_BASE + 0x24) != load_magic)
	;

	spl_boot_list[0] = BOOT_DEVICE_RAM;
	spl_boot_list[1] = BOOT_DEVICE_NONE;

	return;
	}

	/* Boot from SPI NOR with YMODEM UART fallback. */
	spl_boot_list[0] = BOOT_DEVICE_SPI;
	spl_boot_list[1] = BOOT_DEVICE_UART;
	spl_boot_list[2] = BOOT_DEVICE_NONE;
	}

	void reset_cpu(ulong addr)
	{
	}