ARM: rmobile: Update M2 Koelsch
The M2 Koelsch port was broken since some time. This patch updates
the M2 Koelsch 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>
diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c
index e7b47ae..4a4007b 100644
--- a/board/renesas/koelsch/koelsch.c
+++ b/board/renesas/koelsch/koelsch.c
@@ -48,13 +48,7 @@
qos_init();
}
-#define TMU0_MSTP125 (1 << 25)
-#define SCIF0_MSTP721 (1 << 21)
-#define ETHER_MSTP813 (1 << 13)
-
-#define SDHI0_MSTP314 (1 << 14)
-#define SDHI1_MSTP312 (1 << 12)
-#define SDHI2_MSTP311 (1 << 11)
+#define TMU0_MSTP125 BIT(25)
#define SD1CKCR 0xE6150078
#define SD2CKCR 0xE615026C
@@ -64,16 +58,6 @@
{
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
- /* SCIF0 */
- mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
-
- /* ETHER */
- mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
-
- /* SDHI */
- mstp_clrbits_le32(MSTPSR3, SMSTPCR3,
- SDHI0_MSTP314 | SDHI1_MSTP312 | SDHI2_MSTP311);
-
/*
* SD0 clock is set to 97.5MHz by default.
* Set SD1 and SD2 to the 97.5MHz as well.
@@ -84,133 +68,40 @@
return 0;
}
-/* LSI pin pull-up control */
-#define PUPR5 0xe6060114
-#define PUPR5_ETH 0x3FFC0000
-#define PUPR5_ETH_MAGIC (1 << 27)
+#define ETHERNET_PHY_RESET 176 /* GPIO 5 22 */
+
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
- /* Init PFC controller */
- r8a7791_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_TXD0, NULL);
- gpio_request(GPIO_FN_ETH_MDC, NULL);
- gpio_request(GPIO_FN_IRQ0, NULL);
-
- mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC);
- gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */
- mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC);
-
- gpio_direction_output(GPIO_GP_5_22, 0);
- mdelay(20);
- gpio_set_value(GPIO_GP_5_22, 1);
- udelay(1);
+ /* Force ethernet PHY out of reset */
+ gpio_request(ETHERNET_PHY_RESET, "phy_reset");
+ gpio_direction_output(ETHERNET_PHY_RESET, 0);
+ mdelay(10);
+ gpio_direction_output(ETHERNET_PHY_RESET, 1);
return 0;
}
-#define CXR24 0xEE7003C0 /* MAC address high register */
-#define CXR25 0xEE7003C8 /* MAC address low register */
-int board_eth_init(bd_t *bis)
-{
-#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;
-
- /* 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 ret = -ENODEV;
-
-#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_SD2_DATA0, NULL);
- gpio_request(GPIO_FN_SD2_DATA1, NULL);
- gpio_request(GPIO_FN_SD2_DATA2, NULL);
- gpio_request(GPIO_FN_SD2_DATA3, NULL);
- gpio_request(GPIO_FN_SD2_CLK, NULL);
- gpio_request(GPIO_FN_SD2_CMD, NULL);
- gpio_request(GPIO_FN_SD2_CD, NULL);
-
- /* SDHI 0 */
- gpio_request(GPIO_GP_7_17, NULL);
- gpio_request(GPIO_GP_2_12, NULL);
- gpio_direction_output(GPIO_GP_7_17, 1); /* power on */
- gpio_direction_output(GPIO_GP_2_12, 1); /* 1: 3.3V, 0: 1.8V */
-
- ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
- SH_SDHI_QUIRK_16BIT_BUF);
- if (ret)
- return ret;
-
- /* SDHI 1 */
- gpio_request(GPIO_GP_7_18, NULL);
- gpio_request(GPIO_GP_2_13, NULL);
- gpio_direction_output(GPIO_GP_7_18, 1); /* power on */
- gpio_direction_output(GPIO_GP_2_13, 1); /* 1: 3.3V, 0: 1.8V */
-
- ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
- if (ret)
- return ret;
-
- /* SDHI 2 */
- gpio_request(GPIO_GP_7_19, NULL);
- gpio_request(GPIO_GP_2_26, NULL);
- gpio_direction_output(GPIO_GP_7_19, 1); /* power on */
- gpio_direction_output(GPIO_GP_2_26, 1); /* 1: 3.3V, 0: 1.8V */
-
- ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 2, 0);
-#endif
- return ret;
-}
-
int dram_init(void)
{
- gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ if (fdtdec_setup_memory_size() != 0)
+ return -EINVAL;
return 0;
}
-/* koelsch has KSZ8041NL/RNL */
-#define PHY_CONTROL1 0x1E
-#define PHY_LED_MODE 0xC0000
+int dram_init_banksize(void)
+{
+ fdtdec_setup_memory_banksize();
+
+ return 0;
+}
+
+/* Koelsch has KSZ8041NL/RNL */
+#define PHY_CONTROL1 0x1E
+#define PHY_LED_MODE 0xC0000
#define PHY_LED_MODE_ACK 0x4000
int board_phy_config(struct phy_device *phydev)
{
@@ -228,22 +119,38 @@
void reset_cpu(ulong addr)
{
- u8 val;
+ struct udevice *dev;
+ const u8 pmic_bus = 6;
+ const u8 pmic_addr = 0x58;
+ u8 data;
+ int ret;
- i2c_set_bus_num(2); /* PowerIC connected to ch2 */
- 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 = SCIF0_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(koelsch_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;
+}