ARM: rmobile: Update E2 Silk
The E2 Silk port was broken since some time. This patch updates
the E2 Silk port to use modern frameworks, DM, DT probing, SPL
for the preloading and puts it on par with the M2 Porter board.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
NOTE: The port is missing support for I2C1 for DA9063 reset, since the
I2C driver needs to be converted to DM and DT probing. That's not
an issue for this patch though, since the reset was broken on Silk
since forever.
diff --git a/board/renesas/silk/silk.c b/board/renesas/silk/silk.c
index 9e2080b..bfe9909 100644
--- a/board/renesas/silk/silk.c
+++ b/board/renesas/silk/silk.c
@@ -30,7 +30,6 @@
DECLARE_GLOBAL_DATA_PTR;
-#define CLK2MHZ(clk) (clk / 1000 / 1000)
void s_init(void)
{
struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
@@ -44,150 +43,65 @@
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 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
- /* SDHI1 */
- mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI1_MSTP312);
-
- /*
- * Set SD1 to the 97.5MHz
- */
- writel(SD1_97500KHZ, SD1CKCR);
-#endif
return 0;
}
-/* LSI pin pull-up control */
-#define PUPR3 0xe606010C
-#define PUPR3_ETH 0x006FF800
-#define PUPR1 0xe6060104
-#define PUPR1_DREQ0_N (1 << 20)
+#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 */
- 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);
- gpio_request(GPIO_FN_IRQ8, NULL);
-
- /* PHY reset */
- mstp_clrbits_le32(PUPR3, PUPR3, PUPR3_ETH);
- gpio_request(GPIO_GP_1_24, NULL);
- mstp_clrbits_le32(PUPR1, PUPR1, PUPR1_DREQ0_N);
-
- 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];
+ if (fdtdec_setup_memory_size() != 0)
+ return -EINVAL;
- ret = sh_eth_initialize(bis);
- if (!eth_env_get_enetaddr("ethaddr", enetaddr))
- return ret;
-
- /* 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
- /* MMC0 */
- gpio_request(GPIO_GP_4_31, NULL);
- gpio_direction_output(GPIO_GP_4_31, 1);
+ fdtdec_setup_memory_banksize();
- ret = mmcif_mmc_init();
-#endif
-
-#ifdef CONFIG_SH_SDHI
- 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 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)
+/* porter has 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;
}
@@ -198,22 +112,38 @@
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(silk_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;
+}