leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm: am437x: Introduce new board cm-t43

Browse Source 
Add initial support for CM-T43, an AM437x based SoM.
This support includes: serial, MMC/eMMC, NAND, USB, ETH, I2C, GPIO, DRAM
detection.

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>
This commit is contained in:
Nikita Kiryanov
2015-07-30 23:56:23 +03:00
committed by Tom Rini
parent 4eaf126e06
commit 8883ddafde
9 changed files with 655 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
board/compulab/cm_t43/Kconfig Normal file
View File

@@ -0,0 +1,15 @@
if TARGET_CM_T43
config SYS_BOARD
default "cm_t43"
config SYS_VENDOR
default "compulab"
config SYS_SOC
default "am33xx"
config SYS_CONFIG_NAME
default "cm_t43"
endif

6
board/compulab/cm_t43/MAINTAINERS Normal file
View File

@@ -0,0 +1,6 @@
CM_T43 BOARD
M: Nikita Kiryanov <nikita@compulab.co.il>
S: Maintained
F: board/compulab/cm_t43/
F: include/configs/cm_t43.h
F: configs/cm_t43_defconfig

9
board/compulab/cm_t43/Makefile Normal file
View File

@@ -0,0 +1,9 @@
#
# Makefile
#
# Copyright (C) 2015 Compulab, Ltd.
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += board.o mux.o

272
board/compulab/cm_t43/board.c Normal file
View File

@@ -0,0 +1,272 @@
/*
* Copyright (C) 2015 Compulab, Ltd.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
#include <spl.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mux.h>
#include <asm/arch/ddr_defs.h>
#include <asm/errno.h>
#include <asm/gpio.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;
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
const struct dpll_params dpll_mpu = { 800, 24, 1, -1, -1, -1, -1 };
const struct dpll_params dpll_core = { 1000, 24, -1, -1, 10, 8, 4 };
const struct dpll_params dpll_per = { 960, 24, 5, -1, -1, -1, -1 };
const struct dpll_params dpll_ddr = { 400, 23, 1, -1, 1, -1, -1 };
const struct ctrl_ioregs ioregs_ddr3 = {
.cm0ioctl = DDR3_ADDRCTRL_IOCTRL_VALUE,
.cm1ioctl = DDR3_ADDRCTRL_WD0_IOCTRL_VALUE,
.cm2ioctl = DDR3_ADDRCTRL_WD1_IOCTRL_VALUE,
.dt0ioctl = DDR3_DATA0_IOCTRL_VALUE,
.dt1ioctl = DDR3_DATA0_IOCTRL_VALUE,
.dt2ioctrl = DDR3_DATA0_IOCTRL_VALUE,
.dt3ioctrl = DDR3_DATA0_IOCTRL_VALUE,
.emif_sdram_config_ext = 0x0143,
};
/* EMIF DDR3 Configurations are different for production AM43X GP EVMs */
struct emif_regs ddr3_emif_regs = {
.sdram_config = 0x638413B2,
.ref_ctrl = 0x00000C30,
.sdram_tim1 = 0xEAAAD4DB,
.sdram_tim2 = 0x266B7FDA,
.sdram_tim3 = 0x107F8678,
.read_idle_ctrl = 0x00050000,
.zq_config = 0x50074BE4,
.temp_alert_config = 0x0,
.emif_ddr_phy_ctlr_1 = 0x0E004008,
.emif_ddr_ext_phy_ctrl_1 = 0x08020080,
.emif_ddr_ext_phy_ctrl_2 = 0x00000066,
.emif_ddr_ext_phy_ctrl_3 = 0x00000091,
.emif_ddr_ext_phy_ctrl_4 = 0x000000B9,
.emif_ddr_ext_phy_ctrl_5 = 0x000000E6,
.emif_rd_wr_exec_thresh = 0x80000405,
.emif_prio_class_serv_map = 0x80000001,
.emif_connect_id_serv_1_map = 0x80000094,
.emif_connect_id_serv_2_map = 0x00000000,
.emif_cos_config = 0x000FFFFF
};
const u32 ext_phy_ctrl_const_base_ddr3[] = {
0x00000000,
0x00000044,
0x00000044,
0x00000046,
0x00000046,
0x00000000,
0x00000059,
0x00000077,
0x00000093,
0x000000A8,
0x00000000,
0x00000019,
0x00000037,
0x00000053,
0x00000068,
0x00000000,
0x0,
0x0,
0x40000000,
0x08102040
};
void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size)
{
*regs = ext_phy_ctrl_const_base_ddr3;
*size = ARRAY_SIZE(ext_phy_ctrl_const_base_ddr3);
}
const struct dpll_params *get_dpll_ddr_params(void)
{
return &dpll_ddr;
}
const struct dpll_params *get_dpll_mpu_params(void)
{
return &dpll_mpu;
}
const struct dpll_params *get_dpll_core_params(void)
{
return &dpll_core;
}
const struct dpll_params *get_dpll_per_params(void)
{
return &dpll_per;
}
static void enable_vtt_regulator(void)
{
u32 temp;
writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL);
writel(GPIO_SETDATAOUT(7), AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT);
temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
temp = temp & ~(GPIO_OE_ENABLE(7));
writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
}
void sdram_init(void)
{
unsigned long ram_size;
enable_vtt_regulator();
config_ddr(0, &ioregs_ddr3, NULL, NULL, &ddr3_emif_regs, 0);
ram_size = get_ram_size((long int *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
if (ram_size == 0x80000000 ||
ram_size == 0x40000000 ||
ram_size == 0x20000000)
return;
ddr3_emif_regs.sdram_config = 0x638453B2;
config_ddr(0, &ioregs_ddr3, NULL, NULL, &ddr3_emif_regs, 0);
ram_size = get_ram_size((long int *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
if (ram_size == 0x08000000)
return;
hang();
}
#endif
/* 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

12
board/compulab/cm_t43/board.h Normal file
View File

@@ -0,0 +1,12 @@
/*
* Copyright (C) 2015 Compulab, Ltd.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _BOARD_H_
#define _BOARD_H_
void set_i2c_pin_mux(void);
void set_mdio_pin_mux(void);
void set_rgmii_pin_mux(void);
#endif

143
board/compulab/cm_t43/mux.c Normal file
View File

@@ -0,0 +1,143 @@
/*
* Copyright (C) 2015 Compulab, Ltd.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mux.h>
#include "board.h"
static struct module_pin_mux rgmii1_pin_mux[] = {
{OFFSET(mii1_txen), MODE(2)},
{OFFSET(mii1_txd3), MODE(2)},
{OFFSET(mii1_txd2), MODE(2)},
{OFFSET(mii1_txd1), MODE(2)},
{OFFSET(mii1_txd0), MODE(2)},
{OFFSET(mii1_txclk), MODE(2)},
{OFFSET(mii1_rxdv), MODE(2) | RXACTIVE | PULLDOWN_EN},
{OFFSET(mii1_rxclk), MODE(2) | RXACTIVE | PULLDOWN_EN},
{OFFSET(mii1_rxd3), MODE(2) | RXACTIVE | PULLDOWN_EN},
{OFFSET(mii1_rxd2), MODE(2) | RXACTIVE | PULLDOWN_EN},
{OFFSET(mii1_rxd1), MODE(2) | RXACTIVE | PULLDOWN_EN},
{OFFSET(mii1_rxd0), MODE(2) | RXACTIVE | PULLDOWN_EN},
{-1},
};
static struct module_pin_mux rgmii2_pin_mux[] = {
{OFFSET(gpmc_a0), MODE(2)}, /* txen */
{OFFSET(gpmc_a2), MODE(2)}, /* txd3 */
{OFFSET(gpmc_a3), MODE(2)}, /* txd2 */
{OFFSET(gpmc_a4), MODE(2)}, /* txd1 */
{OFFSET(gpmc_a5), MODE(2)}, /* txd0 */
{OFFSET(gpmc_a6), MODE(2)}, /* txclk */
{OFFSET(gpmc_a1), MODE(2) | RXACTIVE | PULLDOWN_EN}, /* rxvd */
{OFFSET(gpmc_a7), MODE(2) | RXACTIVE | PULLDOWN_EN}, /* rxclk */
{OFFSET(gpmc_a8), MODE(2) | RXACTIVE | PULLDOWN_EN}, /* rxd3 */
{OFFSET(gpmc_a9), MODE(2) | RXACTIVE | PULLDOWN_EN}, /* rxd2 */
{OFFSET(gpmc_a10), MODE(2) | RXACTIVE | PULLDOWN_EN}, /* rxd1 */
{OFFSET(gpmc_a11), MODE(2) | RXACTIVE | PULLUP_EN}, /* rxd0 */
{-1},
};
static struct module_pin_mux mdio_pin_mux[] = {
{OFFSET(mdio_data), (MODE(0) | PULLUP_EN | RXACTIVE)},
{OFFSET(mdio_clk), (MODE(0) | PULLUP_EN)},
{-1},
};
static struct module_pin_mux uart0_pin_mux[] = {
{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
{OFFSET(uart0_txd), (MODE(0) | PULLUDDIS | PULLUP_EN | SLEWCTRL)},
{-1},
};
static struct module_pin_mux mmc0_pin_mux[] = {
{OFFSET(mmc0_clk), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(mmc0_cmd), (MODE(0) | PULLUP_EN | RXACTIVE)},
{OFFSET(mmc0_dat0), (MODE(0) | PULLUP_EN | RXACTIVE)},
{OFFSET(mmc0_dat1), (MODE(0) | PULLUP_EN | RXACTIVE)},
{OFFSET(mmc0_dat2), (MODE(0) | PULLUP_EN | RXACTIVE)},
{OFFSET(mmc0_dat3), (MODE(0) | PULLUP_EN | RXACTIVE)},
{-1},
};
static struct module_pin_mux i2c_pin_mux[] = {
{OFFSET(i2c0_sda), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
{OFFSET(i2c0_scl), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
{OFFSET(spi2_sclk), (MODE(1) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
{OFFSET(spi2_cs0), (MODE(1) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
{-1},
};
static struct module_pin_mux nand_pin_mux[] = {
{OFFSET(gpmc_ad0), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_ad1), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_ad2), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_ad3), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_ad4), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_ad5), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_ad6), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_ad7), (MODE(0) | PULLUDDIS | RXACTIVE)},
{OFFSET(gpmc_wait0), (MODE(0) | PULLUP_EN | RXACTIVE)},
{OFFSET(gpmc_wpn), (MODE(0) | PULLUP_EN)},
{OFFSET(gpmc_csn0), (MODE(0) | PULLUP_EN)},
{OFFSET(gpmc_wen), (MODE(0) | PULLDOWN_EN)},
{OFFSET(gpmc_oen_ren), (MODE(0) | PULLDOWN_EN)},
{OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)},
{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)},
{-1},
};
static struct module_pin_mux emmc_pin_mux[] = {
{OFFSET(gpmc_csn1), (MODE(2) | PULLUDDIS | RXACTIVE)}, /* EMMC_CLK */
{OFFSET(gpmc_csn2), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_CMD */
{OFFSET(gpmc_ad8), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT0 */
{OFFSET(gpmc_ad9), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT1 */
{OFFSET(gpmc_ad10), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT2 */
{OFFSET(gpmc_ad11), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT3 */
{OFFSET(gpmc_ad12), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT4 */
{OFFSET(gpmc_ad13), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT5 */
{OFFSET(gpmc_ad14), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT6 */
{OFFSET(gpmc_ad15), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* EMMC_DAT7 */
{-1},
};
static struct module_pin_mux spi_flash_pin_mux[] = {
{OFFSET(spi0_d0), (MODE(0) | RXACTIVE | PULLUDEN)},
{OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN)},
{OFFSET(spi0_cs0), (MODE(0) | RXACTIVE | PULLUDEN)},
{OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN)},
{-1},
};
void set_uart_mux_conf(void)
{
configure_module_pin_mux(uart0_pin_mux);
}
void set_mdio_pin_mux(void)
{
configure_module_pin_mux(mdio_pin_mux);
}
void set_rgmii_pin_mux(void)
{
configure_module_pin_mux(rgmii1_pin_mux);
configure_module_pin_mux(rgmii2_pin_mux);
}
void set_mux_conf_regs(void)
{
configure_module_pin_mux(mmc0_pin_mux);
configure_module_pin_mux(emmc_pin_mux);
configure_module_pin_mux(i2c_pin_mux);
configure_module_pin_mux(spi_flash_pin_mux);
configure_module_pin_mux(nand_pin_mux);
}
void set_i2c_pin_mux(void)
{
configure_module_pin_mux(i2c_pin_mux);
}