qos_init();
}
-#define TMU0_MSTP125 (1 << 25)
-#define SCIF2_MSTP719 (1 << 19)
-#define ETHER_MSTP813 (1 << 13)
-#define IIC1_MSTP323 (1 << 23)
-#define MMC0_MSTP315 (1 << 15)
-#define SDHI0_MSTP314 (1 << 14)
-#define SDHI1_MSTP312 (1 << 12)
+#define TMU0_MSTP125 BIT(25)
+#define MMC0_MSTP315 BIT(15)
#define SD1CKCR 0xE6150078
-#define SD1_97500KHZ 0x7
+#define SD_97500KHZ 0x7
int board_early_init_f(void)
{
/* TMU */
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
- /* SCIF2 */
- mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
+ /* Set SD1 to the 97.5MHz */
+ writel(SD_97500KHZ, SD1CKCR);
- /* ETHER */
- mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
-
- /* IIC1 / sh-i2c ch1 */
- mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
-
-#ifdef CONFIG_SH_MMCIF
- /* MMC */
- mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
-#endif
-
-#ifdef CONFIG_SH_SDHI
- /* SDHI0, 1 */
- mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI1_MSTP312);
-
- /*
- * SD0 clock is set to 97.5MHz by default.
- * Set SD1 to the 97.5MHz as well.
- */
- writel(SD1_97500KHZ, SD1CKCR);
-#endif
return 0;
}
+#define ETHERNET_PHY_RESET 56 /* GPIO 1 24 */
+
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
- /* Init PFC controller */
- r8a7794_pinmux_init();
-
- /* Ether Enable */
-#if defined(CONFIG_R8A7794_ETHERNET_B)
- gpio_request(GPIO_FN_ETH_CRS_DV_B, NULL);
- gpio_request(GPIO_FN_ETH_RX_ER_B, NULL);
- gpio_request(GPIO_FN_ETH_RXD0_B, NULL);
- gpio_request(GPIO_FN_ETH_RXD1_B, NULL);
- gpio_request(GPIO_FN_ETH_LINK_B, NULL);
- gpio_request(GPIO_FN_ETH_REFCLK_B, NULL);
- gpio_request(GPIO_FN_ETH_MDIO_B, NULL);
- gpio_request(GPIO_FN_ETH_TXD1_B, NULL);
- gpio_request(GPIO_FN_ETH_TX_EN_B, NULL);
- gpio_request(GPIO_FN_ETH_MAGIC_B, NULL);
- gpio_request(GPIO_FN_ETH_TXD0_B, NULL);
- gpio_request(GPIO_FN_ETH_MDC_B, NULL);
-#else
- gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
- gpio_request(GPIO_FN_ETH_RX_ER, NULL);
- gpio_request(GPIO_FN_ETH_RXD0, NULL);
- gpio_request(GPIO_FN_ETH_RXD1, NULL);
- gpio_request(GPIO_FN_ETH_LINK, NULL);
- gpio_request(GPIO_FN_ETH_REFCLK, NULL);
- gpio_request(GPIO_FN_ETH_MDIO, NULL);
- gpio_request(GPIO_FN_ETH_TXD1, NULL);
- gpio_request(GPIO_FN_ETH_TX_EN, NULL);
- gpio_request(GPIO_FN_ETH_MAGIC, NULL);
- gpio_request(GPIO_FN_ETH_TXD0, NULL);
- gpio_request(GPIO_FN_ETH_MDC, NULL);
-#endif
- gpio_request(GPIO_FN_IRQ8, NULL);
-
- /* PHY reset */
- gpio_request(GPIO_GP_1_24, NULL);
- gpio_direction_output(GPIO_GP_1_24, 0);
+ /* Force ethernet PHY out of reset */
+ gpio_request(ETHERNET_PHY_RESET, "phy_reset");
+ gpio_direction_output(ETHERNET_PHY_RESET, 0);
mdelay(20);
- gpio_set_value(GPIO_GP_1_24, 1);
+ gpio_direction_output(ETHERNET_PHY_RESET, 1);
udelay(1);
return 0;
}
-#define CXR24 0xEE7003C0 /* MAC address high register */
-#define CXR25 0xEE7003C8 /* MAC address low register */
-int board_eth_init(bd_t *bis)
+int dram_init(void)
{
-#ifdef CONFIG_SH_ETHER
- int ret = -ENODEV;
- u32 val;
- unsigned char enetaddr[6];
-
- ret = sh_eth_initialize(bis);
- if (!eth_env_get_enetaddr("ethaddr", enetaddr))
- return ret;
+ if (fdtdec_setup_memory_size() != 0)
+ return -EINVAL;
- /* Set Mac address */
- val = enetaddr[0] << 24 | enetaddr[1] << 16 |
- enetaddr[2] << 8 | enetaddr[3];
- writel(val, CXR24);
-
- val = enetaddr[4] << 8 | enetaddr[5];
- writel(val, CXR25);
-
- return ret;
-#else
return 0;
-#endif
}
-int board_mmc_init(bd_t *bis)
+int dram_init_banksize(void)
{
- int ret = -ENODEV;
-
-#ifdef CONFIG_SH_MMCIF
- gpio_request(GPIO_GP_4_31, NULL);
- gpio_set_value(GPIO_GP_4_31, 1);
-
- ret = mmcif_mmc_init();
-#endif
-
-#ifdef CONFIG_SH_SDHI
- gpio_request(GPIO_FN_SD0_DATA0, NULL);
- gpio_request(GPIO_FN_SD0_DATA1, NULL);
- gpio_request(GPIO_FN_SD0_DATA2, NULL);
- gpio_request(GPIO_FN_SD0_DATA3, NULL);
- gpio_request(GPIO_FN_SD0_CLK, NULL);
- gpio_request(GPIO_FN_SD0_CMD, NULL);
- gpio_request(GPIO_FN_SD0_CD, NULL);
- gpio_request(GPIO_FN_SD1_DATA0, NULL);
- gpio_request(GPIO_FN_SD1_DATA1, NULL);
- gpio_request(GPIO_FN_SD1_DATA2, NULL);
- gpio_request(GPIO_FN_SD1_DATA3, NULL);
- gpio_request(GPIO_FN_SD1_CLK, NULL);
- gpio_request(GPIO_FN_SD1_CMD, NULL);
- gpio_request(GPIO_FN_SD1_CD, NULL);
-
- /* SDHI 0 */
- gpio_request(GPIO_GP_2_26, NULL);
- gpio_request(GPIO_GP_2_29, NULL);
- gpio_direction_output(GPIO_GP_2_26, 1);
- gpio_direction_output(GPIO_GP_2_29, 1);
-
- ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
- SH_SDHI_QUIRK_16BIT_BUF);
- if (ret)
- return ret;
+ fdtdec_setup_memory_banksize();
- /* SDHI 1 */
- gpio_request(GPIO_GP_4_26, NULL);
- gpio_request(GPIO_GP_4_29, NULL);
- gpio_direction_output(GPIO_GP_4_26, 1);
- gpio_direction_output(GPIO_GP_4_29, 1);
-
- ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
-#endif
- return ret;
+ return 0;
}
-int dram_init(void)
+/* KSZ8041RNLI */
+#define PHY_CONTROL1 0x1E
+#define PHY_LED_MODE 0xC0000
+#define PHY_LED_MODE_ACK 0x4000
+int board_phy_config(struct phy_device *phydev)
{
- gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
+ ret &= ~PHY_LED_MODE;
+ ret |= PHY_LED_MODE_ACK;
+ ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
return 0;
}
void reset_cpu(ulong addr)
{
- u8 val;
+ struct udevice *dev;
+ const u8 pmic_bus = 1;
+ const u8 pmic_addr = 0x58;
+ u8 data;
+ int ret;
- i2c_set_bus_num(1); /* PowerIC connected to ch1 */
- i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
- val |= 0x02;
- i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
+ ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
+ if (ret)
+ hang();
+
+ ret = dm_i2c_read(dev, 0x13, &data, 1);
+ if (ret)
+ hang();
+
+ data |= BIT(1);
+
+ ret = dm_i2c_write(dev, 0x13, &data, 1);
+ if (ret)
+ hang();
}
-static const struct sh_serial_platdata serial_platdata = {
- .base = SCIF2_BASE,
- .type = PORT_SCIF,
- .clk = 14745600,
- .clk_mode = EXT_CLK,
-};
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+ const u32 load_magic = 0xb33fc0de;
-U_BOOT_DEVICE(alt_serials) = {
- .name = "serial_sh",
- .platdata = &serial_platdata,
-};
+ /* Block environment access if loaded using JTAG */
+ if ((readl(CONFIG_SPL_TEXT_BASE + 0x24) == load_magic) &&
+ (op != ENVOP_INIT))
+ return ENVL_UNKNOWN;
+
+ if (prio)
+ return ENVL_UNKNOWN;
+
+ return ENVL_SPI_FLASH;
+}
--- /dev/null
+/*
+ * board/renesas/alt/alt_spl.c
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.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 SCIF2_MSTP719 BIT(19)
+#define QSPI_MSTP917 BIT(17)
+
+#define SD1CKCR 0xE6150078
+#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;
+
+ while (!(readl(dbsc3_0_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, 0x00000000 },
+ { 0x0094, 0x00000000 },
+ { 0x0098, 0x00000000 },
+ { 0x0020, 0x00000000 },
+ { 0x0024, 0x00000000 },
+ { 0x0028, 0x40000000 },
+ { 0x002c, 0x00000155 },
+ { 0x0030, 0x00000002 },
+ { 0x0034, 0x00000000 },
+ { 0x0038, 0x00000000 },
+ { 0x003c, 0x00000000 },
+ { 0x0040, 0x60000000 },
+ { 0x0044, 0x36dab6db },
+ { 0x0048, 0x926da012 },
+ { 0x004c, 0x0008c383 },
+ { 0x0050, 0x00000000 },
+ { 0x0054, 0x00000140 },
+ { 0x0004, 0xffffffff },
+ { 0x0008, 0x00ec3fff },
+ { 0x000c, 0x5bffffff },
+ { 0x0010, 0x01bfe1ff },
+ { 0x0014, 0x5bffffff },
+ { 0x0018, 0x0f4b200f },
+ { 0x001c, 0x03ffffff },
+ };
+
+ static const struct reg_config pfc_without_unlock[] = {
+ { 0x0100, 0x00000000 },
+ { 0x0104, 0x4203fc00 },
+ { 0x0108, 0x00000000 },
+ { 0x010c, 0x159007ff },
+ { 0x0110, 0x80000000 },
+ { 0x0114, 0x00de481f },
+ { 0x0118, 0x00000000 },
+ };
+
+ static const struct reg_config pfc_with_unlock2[] = {
+ { 0x0060, 0xffffffff },
+ { 0x0064, 0xfffff000 },
+ { 0x0068, 0x55555500 },
+ { 0x006c, 0xffffff00 },
+ { 0x0070, 0x00000000 },
+ };
+
+ 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);
+
+ for (i = 0; i < ARRAY_SIZE(pfc_with_unlock2); i++) {
+ writel(~pfc_with_unlock2[i].val, pfc_base);
+ writel(pfc_with_unlock2[i].val,
+ pfc_base | pfc_with_unlock2[i].off);
+ }
+}
+
+static void spl_init_gpio(void)
+{
+ static const u16 gpio_offs[] = {
+ 0x1000, 0x2000, 0x3000, 0x4000, 0x5000
+ };
+
+ static const struct reg_config gpio_set[] = {
+ { 0x2000, 0x24000000 },
+ { 0x4000, 0xa4000000 },
+ { 0x5000, 0x0004c000 },
+ };
+
+ static const struct reg_config gpio_clr[] = {
+ { 0x1000, 0x01000000 },
+ { 0x2000, 0x24000000 },
+ { 0x3000, 0x00000000 },
+ { 0x4000, 0xa4000000 },
+ { 0x5000, 0x0084c380 },
+ };
+
+ 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, 0x2a103320 },
+ { 0x38, 0xff70ff70 },
+ };
+
+ static const u16 lbsc_offs[] = {
+ 0x80, 0x84, 0x88, 0x8c, 0xa0, 0xc0, 0xc4, 0xc8
+ };
+
+ 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[] = {
+ { 0x0018, 0x21000000 },
+ { 0x0018, 0x11000000 },
+ { 0x0018, 0x10000000 },
+ { 0x0280, 0x0000a55a },
+ { 0x0290, 0x00000001 },
+ { 0x02a0, 0x80000000 },
+ { 0x0290, 0x00000004 },
+ };
+
+ static const struct reg_config dbsc_config2[] = {
+ { 0x0290, 0x00000006 },
+ { 0x02a0, 0x0005c000 },
+ };
+
+ static const struct reg_config dbsc_config4[] = {
+ { 0x0290, 0x00000010 },
+ { 0x02a0, 0xf00464db },
+ { 0x0290, 0x00000061 },
+ { 0x02a0, 0x0000006d },
+ { 0x0290, 0x00000001 },
+ { 0x02a0, 0x00000073 },
+ { 0x0020, 0x00000007 },
+ { 0x0024, 0x0f030a02 },
+ { 0x0030, 0x00000001 },
+ { 0x00b0, 0x00000000 },
+ { 0x0040, 0x00000009 },
+ { 0x0044, 0x00000007 },
+ { 0x0048, 0x00000000 },
+ { 0x0050, 0x00000009 },
+ { 0x0054, 0x000a0009 },
+ { 0x0058, 0x00000021 },
+ { 0x005c, 0x00000018 },
+ { 0x0060, 0x00000005 },
+ { 0x0064, 0x0000001b },
+ { 0x0068, 0x00000007 },
+ { 0x006c, 0x0000000a },
+ { 0x0070, 0x00000009 },
+ { 0x0074, 0x00000010 },
+ { 0x0078, 0x000000ae },
+ { 0x007c, 0x00140005 },
+ { 0x0080, 0x00050004 },
+ { 0x0084, 0x50213005 },
+ { 0x0088, 0x000c0000 },
+ { 0x008c, 0x00000200 },
+ { 0x0090, 0x00000040 },
+ { 0x0100, 0x00000001 },
+ { 0x00c0, 0x00020001 },
+ { 0x00c8, 0x20082008 },
+ { 0x0380, 0x00020003 },
+ { 0x0390, 0x0000001f },
+ };
+
+ static const struct reg_config dbsc_config5[] = {
+ { 0x0244, 0x00000011 },
+ { 0x0290, 0x00000003 },
+ { 0x02a0, 0x0300c4e1 },
+ { 0x0290, 0x00000023 },
+ { 0x02a0, 0x00fcb6d0 },
+ { 0x0290, 0x00000011 },
+ { 0x02a0, 0x1000040b },
+ { 0x0290, 0x00000012 },
+ { 0x02a0, 0x85589955 },
+ { 0x0290, 0x00000013 },
+ { 0x02a0, 0x1a852400 },
+ { 0x0290, 0x00000014 },
+ { 0x02a0, 0x300210b4 },
+ { 0x0290, 0x00000015 },
+ { 0x02a0, 0x00000b50 },
+ { 0x0290, 0x00000016 },
+ { 0x02a0, 0x00000006 },
+ { 0x0290, 0x00000017 },
+ { 0x02a0, 0x00000010 },
+ { 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, 0x00081450 },
+ { 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;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(dbsc_config1); i++)
+ writel(dbsc_config1[i].val, dbsc3_0_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);
+
+ for (i = 0; i < ARRAY_SIZE(dbsc_config4); i++)
+ writel(dbsc_config4[i].val, dbsc3_0_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);
+
+ dbsc_wait(0x2a0);
+
+ for (i = 0; i < ARRAY_SIZE(dbsc_config6); i++)
+ writel(dbsc_config6[i].val, dbsc3_0_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);
+
+ dbsc_wait(0x2a0);
+
+ for (i = 0; i < ARRAY_SIZE(dbsc_config8); i++)
+ writel(dbsc_config8[i].val, dbsc3_0_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(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
+
+ /* Set SD1 to the 97.5MHz */
+ writel(SD_97500KHZ, SD1CKCR);
+
+ 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)
+{
+}
projects / u-boot / commitdiff