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author | Nikita Kiryanov <nikita@compulab.co.il> | 2016-02-19 19:19:45 +0200 |
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committer | Tom Rini <trini@konsulko.com> | 2016-02-24 18:44:06 -0500 |
commit | 5dc5a8cac7fd4965c92269451819b46bc6fe4b70 (patch) | |
tree | 682f05d67e8df9b6bfdaaf7da460acbe1744a60b /board/compulab/cm_t43/cm_t43.c | |
parent | 4067a6c8d3292f3da19f8018e1fb49d23ff3481f (diff) | |
download | u-boot-imx-5dc5a8cac7fd4965c92269451819b46bc6fe4b70.zip u-boot-imx-5dc5a8cac7fd4965c92269451819b46bc6fe4b70.tar.gz u-boot-imx-5dc5a8cac7fd4965c92269451819b46bc6fe4b70.tar.bz2 |
arm: am437x: cm-t43: split board file
Simplify the board file by splitting it to spl portion and u-boot portion.
Some unnecessary includes were identified and removed. No functional changes.
Cc: Tom Rini <trini@konsulko.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'board/compulab/cm_t43/cm_t43.c')
-rw-r--r-- | board/compulab/cm_t43/cm_t43.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/board/compulab/cm_t43/cm_t43.c b/board/compulab/cm_t43/cm_t43.c new file mode 100644 index 0000000..445b609 --- /dev/null +++ b/board/compulab/cm_t43/cm_t43.c @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2015 Compulab, Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <miiphy.h> +#include <cpsw.h> +#include <asm/gpio.h> +#include <asm/arch/sys_proto.h> +#include <asm/emif.h> +#include <power/pmic.h> +#include <power/tps65218.h> +#include "board.h" + +DECLARE_GLOBAL_DATA_PTR; + +static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + +/* setup board specific PMIC */ +int power_init_board(void) +{ + struct pmic *p; + + power_tps65218_init(I2C_PMIC); + p = pmic_get("TPS65218_PMIC"); + if (p && !pmic_probe(p)) + puts("PMIC: TPS65218\n"); + + return 0; +} + +int board_init(void) +{ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + gpmc_init(); + set_i2c_pin_mux(); + i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); + i2c_probe(TPS65218_CHIP_PM); + + return 0; +} + +#ifdef CONFIG_DRIVER_TI_CPSW + +static void cpsw_control(int enabled) +{ + return; +} + +static struct cpsw_slave_data cpsw_slaves[] = { + { + .slave_reg_ofs = 0x208, + .sliver_reg_ofs = 0xd80, + .phy_addr = 0, + .phy_if = PHY_INTERFACE_MODE_RGMII, + }, + { + .slave_reg_ofs = 0x308, + .sliver_reg_ofs = 0xdc0, + .phy_addr = 1, + .phy_if = PHY_INTERFACE_MODE_RGMII, + }, +}; + +static struct cpsw_platform_data cpsw_data = { + .mdio_base = CPSW_MDIO_BASE, + .cpsw_base = CPSW_BASE, + .mdio_div = 0xff, + .channels = 8, + .cpdma_reg_ofs = 0x800, + .slaves = 2, + .slave_data = cpsw_slaves, + .ale_reg_ofs = 0xd00, + .ale_entries = 1024, + .host_port_reg_ofs = 0x108, + .hw_stats_reg_ofs = 0x900, + .bd_ram_ofs = 0x2000, + .mac_control = (1 << 5), + .control = cpsw_control, + .host_port_num = 0, + .version = CPSW_CTRL_VERSION_2, +}; + +#define GPIO_PHY1_RST 170 +#define GPIO_PHY2_RST 168 + +int board_phy_config(struct phy_device *phydev) +{ + unsigned short val; + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + if (phydev->drv->config) + return phydev->drv->config(phydev); + + return 0; +} + +static void board_phy_init(void) +{ + set_mdio_pin_mux(); + writel(0x40003, 0x44e10a74); /* Mux pin as clkout2 */ + writel(0x10006, 0x44df4108); /* Select EXTDEV as clock source */ + writel(0x4, 0x44df2e60); /* Set EXTDEV as MNbypass */ + + /* For revision A */ + writel(0x2000009, 0x44df2e6c); + writel(0x38a, 0x44df2e70); + + mdelay(10); + + gpio_request(GPIO_PHY1_RST, "phy1_rst"); + gpio_request(GPIO_PHY2_RST, "phy2_rst"); + gpio_direction_output(GPIO_PHY1_RST, 0); + gpio_direction_output(GPIO_PHY2_RST, 0); + mdelay(2); + + gpio_set_value(GPIO_PHY1_RST, 1); + gpio_set_value(GPIO_PHY2_RST, 1); + mdelay(2); +} + +int board_eth_init(bd_t *bis) +{ + int rv; + + set_rgmii_pin_mux(); + writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel); + board_phy_init(); + + rv = cpsw_register(&cpsw_data); + if (rv < 0) + printf("Error %d registering CPSW switch\n", rv); + + return rv; +} +#endif |