u-boot/board/warp7/warp7.c
Stefano Babic 552a848e4f imx: reorganize IMX code as other SOCs
Change is consistent with other SOCs and it is in preparation
for adding SOMs. SOC's related files are moved from cpu/ to
mach-imx/<SOC>.

This change is also coherent with the structure in kernel.

Signed-off-by: Stefano Babic <sbabic@denx.de>

CC: Fabio Estevam <fabio.estevam@nxp.com>
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Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-07-12 10:17:44 +02:00

201 lines
4.6 KiB
C

/*
* Copyright (C) 2016 NXP Semiconductors
* Author: Fabio Estevam <fabio.estevam@nxp.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx7-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <mmc.h>
#include <asm/arch/crm_regs.h>
#include <usb.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../freescale/common/pfuze.h"
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
PAD_CTL_HYS)
#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC */
static struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC,
.gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC,
.gp = IMX_GPIO_NR(4, 8),
},
.sda = {
.i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC,
.gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC,
.gp = IMX_GPIO_NR(4, 9),
},
};
#endif
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_SIZE;
return 0;
}
static iomux_v3_cfg_t const wdog_pads[] = {
MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const uart1_pads[] = {
MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc3_pads[] = {
MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX7D_PAD_SD3_RESET_B__SD3_RESET_B | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
};
static struct fsl_esdhc_cfg usdhc_cfg[1] = {
{USDHC3_BASE_ADDR},
};
int board_mmc_getcd(struct mmc *mmc)
{
/* Assume uSDHC3 emmc is always present */
return 1;
}
int board_mmc_init(bd_t *bis)
{
imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
}
int board_early_init_f(void)
{
setup_iomux_uart();
return 0;
}
#ifdef CONFIG_POWER
#define I2C_PMIC 0
static struct pmic *pfuze;
int power_init_board(void)
{
int ret;
unsigned int reg, rev_id;
ret = power_pfuze3000_init(I2C_PMIC);
if (ret)
return ret;
pfuze = pmic_get("PFUZE3000");
ret = pmic_probe(pfuze);
if (ret)
return ret;
pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
/* disable Low Power Mode during standby mode */
pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
return 0;
}
#endif
int board_eth_init(bd_t *bis)
{
int ret = 0;
#ifdef CONFIG_USB_ETHER
ret = usb_eth_initialize(bis);
if (ret < 0)
printf("Error %d registering USB ether.\n", ret);
#endif
return ret;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_SYS_I2C_MXC
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#endif
return 0;
}
int checkboard(void)
{
char *mode;
if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
mode = "secure";
else
mode = "non-secure";
printf("Board: WARP7 in %s mode\n", mode);
return 0;
}
int board_usb_phy_mode(int port)
{
return USB_INIT_DEVICE;
}
int board_late_init(void)
{
struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset(wdog);
/*
* Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
* since we use PMIC_PWRON to reset the board.
*/
clrsetbits_le16(&wdog->wcr, 0, 0x10);
return 0;
}