summaryrefslogtreecommitdiff
path: root/board/renesas/porter/porter.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/renesas/porter/porter.c')
-rw-r--r--board/renesas/porter/porter.c228
1 files changed, 228 insertions, 0 deletions
diff --git a/board/renesas/porter/porter.c b/board/renesas/porter/porter.c
new file mode 100644
index 0000000..b5378de
--- /dev/null
+++ b/board/renesas/porter/porter.c
@@ -0,0 +1,228 @@
+/*
+ * board/renesas/porter/porter.c
+ *
+ * Copyright (C) 2015 Renesas Electronics Corporation
+ * Copyright (C) 2015 Cogent Embedded, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <dm.h>
+#include <dm/platform_data/serial_sh.h>
+#include <asm/processor.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/arch/rmobile.h>
+#include <asm/arch/rcar-mstp.h>
+#include <asm/arch/sh_sdhi.h>
+#include <netdev.h>
+#include <miiphy.h>
+#include <i2c.h>
+#include <div64.h>
+#include "qos.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define CLK2MHZ(clk) (clk / 1000 / 1000)
+void s_init(void)
+{
+ struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
+ struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
+ u32 stc;
+
+ /* Watchdog init */
+ writel(0xA5A5A500, &rwdt->rwtcsra);
+ writel(0xA5A5A500, &swdt->swtcsra);
+
+ /* CPU frequency setting. Set to 1.5GHz */
+ stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT;
+ clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
+
+ /* QoS */
+ qos_init();
+}
+
+#define TMU0_MSTP125 (1 << 25)
+#define SDHI0_MSTP314 (1 << 14)
+#define SDHI2_MSTP311 (1 << 11)
+#define SCIF0_MSTP721 (1 << 21)
+#define ETHER_MSTP813 (1 << 13)
+
+#define SD2CKCR 0xE615026C
+#define SD_97500KHZ 0x7
+
+int board_early_init_f(void)
+{
+ 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 | SDHI2_MSTP311);
+
+ /*
+ * SD0 clock is set to 97.5MHz by default.
+ * Set SD2 to the 97.5MHz as well.
+ */
+ writel(SD_97500KHZ, SD2CKCR);
+
+ return 0;
+}
+
+/* LSI pin pull-up control */
+#define PUPR5 0xe6060114
+#define PUPR5_ETH 0x3FFC0000
+#define PUPR5_ETH_MAGIC (1 << 27)
+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);
+
+ 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_getenv_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_2_12, NULL);
+ 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 2 */
+ gpio_request(GPIO_GP_2_26, NULL);
+ 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;
+
+ return 0;
+}
+
+/* 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)
+{
+ 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;
+}
+
+const struct rmobile_sysinfo sysinfo = {
+ CONFIG_RMOBILE_BOARD_STRING
+};
+
+void reset_cpu(ulong addr)
+{
+ u8 val;
+
+ 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);
+}
+
+static const struct sh_serial_platdata serial_platdata = {
+ .base = SCIF0_BASE,
+ .type = PORT_SCIF,
+ .clk = CONFIG_P_CLK_FREQ,
+};
+
+U_BOOT_DEVICE(porter_serials) = {
+ .name = "serial_sh",
+ .platdata = &serial_platdata,
+};