diff options
author | Ye Li <ye.li@nxp.com> | 2016-02-01 10:41:32 +0800 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2016-02-02 21:04:21 +0100 |
commit | cf94a3427abf2fdf3355f251aacce82305136fac (patch) | |
tree | 0fa958dbfd36b0c428c10e7bc148abffb38c521e /board/freescale | |
parent | d4d1dd674977fc7be30bd1f113b564247236ed60 (diff) |
imx: mx6sxsabreauto: Add support for mx6sx SABREAUTO board
Initial version for mx6sx SABREAUTO board support with features:
PMIC, QSPI, NAND flash, SD/MMC, USB, Ethernet, I2C, IO Expander.
Signed-off-by: Ye Li <ye.li@nxp.com>
Diffstat (limited to 'board/freescale')
-rw-r--r-- | board/freescale/mx6sxsabreauto/Kconfig | 12 | ||||
-rw-r--r-- | board/freescale/mx6sxsabreauto/MAINTAINERS | 6 | ||||
-rw-r--r-- | board/freescale/mx6sxsabreauto/Makefile | 6 | ||||
-rw-r--r-- | board/freescale/mx6sxsabreauto/imximage.cfg | 136 | ||||
-rw-r--r-- | board/freescale/mx6sxsabreauto/mx6sxsabreauto.c | 508 |
5 files changed, 668 insertions, 0 deletions
diff --git a/board/freescale/mx6sxsabreauto/Kconfig b/board/freescale/mx6sxsabreauto/Kconfig new file mode 100644 index 00000000000..ae2ea024394 --- /dev/null +++ b/board/freescale/mx6sxsabreauto/Kconfig @@ -0,0 +1,12 @@ +if TARGET_MX6SXSABREAUTO + +config SYS_BOARD + default "mx6sxsabreauto" + +config SYS_VENDOR + default "freescale" + +config SYS_CONFIG_NAME + default "mx6sxsabreauto" + +endif diff --git a/board/freescale/mx6sxsabreauto/MAINTAINERS b/board/freescale/mx6sxsabreauto/MAINTAINERS new file mode 100644 index 00000000000..6f2ff44e785 --- /dev/null +++ b/board/freescale/mx6sxsabreauto/MAINTAINERS @@ -0,0 +1,6 @@ +MX6SXSABREAUTO BOARD +M: Fabio Estevam <fabio.estevam@nxp.com> +S: Maintained +F: board/freescale/mx6sxsabreauto/ +F: include/configs/mx6sxsabreauto.h +F: configs/mx6sxsabreauto_defconfig diff --git a/board/freescale/mx6sxsabreauto/Makefile b/board/freescale/mx6sxsabreauto/Makefile new file mode 100644 index 00000000000..f0cd1ce6730 --- /dev/null +++ b/board/freescale/mx6sxsabreauto/Makefile @@ -0,0 +1,6 @@ +# (C) Copyright 2014 Freescale Semiconductor, Inc. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := mx6sxsabreauto.o diff --git a/board/freescale/mx6sxsabreauto/imximage.cfg b/board/freescale/mx6sxsabreauto/imximage.cfg new file mode 100644 index 00000000000..529e555639e --- /dev/null +++ b/board/freescale/mx6sxsabreauto/imximage.cfg @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#define __ASSEMBLY__ +#include <config.h> + +/* image version */ + +IMAGE_VERSION 2 + +/* + * Boot Device : one of + * spi/sd/nand/onenand, qspi/nor + */ + +BOOT_FROM sd + +/* + * Device Configuration Data (DCD) + * + * Each entry must have the format: + * Addr-type Address Value + * + * where: + * Addr-type register length (1,2 or 4 bytes) + * Address absolute address of the register + * value value to be stored in the register + */ + +/* Enable all clocks */ +DATA 4 0x020c4068 0xffffffff +DATA 4 0x020c406c 0xffffffff +DATA 4 0x020c4070 0xffffffff +DATA 4 0x020c4074 0xffffffff +DATA 4 0x020c4078 0xffffffff +DATA 4 0x020c407c 0xffffffff +DATA 4 0x020c4080 0xffffffff +DATA 4 0x020c4084 0xffffffff + +/* IOMUX - DDR IO Type */ +DATA 4 0x020e0618 0x000c0000 +DATA 4 0x020e05fc 0x00000000 + +/* Clock */ +DATA 4 0x020e032c 0x00000030 + +/* Address */ +DATA 4 0x020e0300 0x00000030 +DATA 4 0x020e02fc 0x00000030 +DATA 4 0x020e05f4 0x00000030 + +/* Control */ +DATA 4 0x020e0340 0x00000030 + +DATA 4 0x020e0320 0x00000000 +DATA 4 0x020e0310 0x00000030 +DATA 4 0x020e0314 0x00000030 +DATA 4 0x020e0614 0x00000030 + +/* Data Strobe */ +DATA 4 0x020e05f8 0x00020000 +DATA 4 0x020e0330 0x00000030 +DATA 4 0x020e0334 0x00000030 +DATA 4 0x020e0338 0x00000030 +DATA 4 0x020e033c 0x00000030 + +/* Data */ +DATA 4 0x020e0608 0x00020000 +DATA 4 0x020e060c 0x00000030 +DATA 4 0x020e0610 0x00000030 +DATA 4 0x020e061c 0x00000030 +DATA 4 0x020e0620 0x00000030 +DATA 4 0x020e02ec 0x00000030 +DATA 4 0x020e02f0 0x00000030 +DATA 4 0x020e02f4 0x00000030 +DATA 4 0x020e02f8 0x00000030 + +/* Calibrations - ZQ */ +DATA 4 0x021b0800 0xa1390003 + +/* Write leveling */ +DATA 4 0x021b080c 0x002C003D +DATA 4 0x021b0810 0x00110046 + +/* DQS Read Gate */ +DATA 4 0x021b083c 0x4160016C +DATA 4 0x021b0840 0x013C016C + +/* Read/Write Delay */ +DATA 4 0x021b0848 0x46424446 +DATA 4 0x021b0850 0x3A3C3C3A + +DATA 4 0x021b08c0 0x2492244A + +/* read data bit delay */ +DATA 4 0x021b081c 0x33333333 +DATA 4 0x021b0820 0x33333333 +DATA 4 0x021b0824 0x33333333 +DATA 4 0x021b0828 0x33333333 + +/* Complete calibration by forced measurement */ +DATA 4 0x021b08b8 0x00000800 + +/* MMDC init - DDR3, 64-bit mode, only MMDC0 is initiated */ +DATA 4 0x021b0004 0x0002002d +DATA 4 0x021b0008 0x00333030 +DATA 4 0x021b000c 0x676b52f3 +DATA 4 0x021b0010 0xb66d8b63 +DATA 4 0x021b0014 0x01ff00db +DATA 4 0x021b0018 0x00011740 +DATA 4 0x021b001c 0x00008000 +DATA 4 0x021b002c 0x000026d2 +DATA 4 0x021b0030 0x006b1023 +DATA 4 0x021b0040 0x0000007f +DATA 4 0x021b0000 0x85190000 + +/* Initialize MT41K256M16HA-125 - MR2 */ +DATA 4 0x021b001c 0x04008032 +/* MR3 */ +DATA 4 0x021b001c 0x00008033 +/* MR1 */ +DATA 4 0x021b001c 0x00068031 +/* MR0 */ +DATA 4 0x021b001c 0x05208030 +/* DDR device ZQ calibration */ +DATA 4 0x021b001c 0x04008040 + +/* Final DDR setup, before operation start */ +DATA 4 0x021b0020 0x00000800 +DATA 4 0x021b0818 0x00022227 +DATA 4 0x021b0004 0x0002556d +DATA 4 0x021b0404 0x00011006 +DATA 4 0x021b001c 0x00000000 diff --git a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c new file mode 100644 index 00000000000..c9631d25784 --- /dev/null +++ b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c @@ -0,0 +1,508 @@ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * Author: Ye Li <ye.li@nxp.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/io.h> +#include <asm/imx-common/mxc_i2c.h> +#include <linux/sizes.h> +#include <common.h> +#include <fsl_esdhc.h> +#include <mmc.h> +#include <i2c.h> +#include <miiphy.h> +#include <netdev.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include "../common/pfuze.h" +#include <usb.h> +#include <usb/ehci-fsl.h> +#include <pca953x.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) + +#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) + +#define I2C_PMIC 1 + +#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP) +#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \ + PAD_CTL_SRE_FAST) +#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1) + +/*Define for building port exp gpio, pin starts from 0*/ +#define PORTEXP_IO_NR(chip, pin) \ + ((chip << 5) + pin) + +/*Get the chip addr from a ioexp gpio*/ +#define PORTEXP_IO_TO_CHIP(gpio_nr) \ + (gpio_nr >> 5) + +/*Get the pin number from a ioexp gpio*/ +#define PORTEXP_IO_TO_PIN(gpio_nr) \ + (gpio_nr & 0x1f) + +#define CPU_PER_RST_B PORTEXP_IO_NR(0x30, 4) +#define STEER_ENET PORTEXP_IO_NR(0x32, 2) + +static int port_exp_direction_output(unsigned gpio, int value) +{ + int ret; + + i2c_set_bus_num(2); + ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio)); + if (ret) + return ret; + + ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio), + (1 << PORTEXP_IO_TO_PIN(gpio)), + (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio))); + + if (ret) + return ret; + + ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio), + (1 << PORTEXP_IO_TO_PIN(gpio)), + (value << PORTEXP_IO_TO_PIN(gpio))); + + if (ret) + return ret; + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = PHYS_SDRAM_SIZE; + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc3_pads[] = { + MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* CD pin */ + MX6_PAD_USB_H_DATA__GPIO7_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* RST_B, used for power reset cycle */ + MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc4_pads[] = { + MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA4__USDHC4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA5__USDHC4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA6__USDHC4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DATA7__USDHC4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* CD pin */ + MX6_PAD_USB_H_STROBE__GPIO7_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const fec2_pads[] = { + MX6_PAD_ENET1_MDC__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_MDIO__ENET2_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII2_RX_CTL__ENET2_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII2_RD0__ENET2_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII2_RD1__ENET2_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII2_RD2__ENET2_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII2_RD3__ENET2_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII2_RXC__ENET2_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII2_TX_CTL__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII2_TD0__ENET2_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII2_TD1__ENET2_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII2_TD2__ENET2_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII2_TD3__ENET2_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII2_TXC__ENET2_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +static int setup_fec(void) +{ + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + + /* Use 125MHz anatop loopback REF_CLK1 for ENET2 */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, 0); + + return enable_fec_anatop_clock(1, ENET_125MHZ); +} + +int board_eth_init(bd_t *bis) +{ + int ret; + + imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads)); + setup_fec(); + + ret = fecmxc_initialize_multi(bis, 1, + CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); + if (ret) + printf("FEC%d MXC: %s:failed\n", 1, __func__); + + return ret; +} + +int board_phy_config(struct phy_device *phydev) +{ + /* + * Enable 1.8V(SEL_1P5_1P8_POS_REG) on + * Phy control debug reg 0 + */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); + + /* rgmii tx clock delay enable */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C2 for PMIC */ +struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO1_IO02__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO_2 | PC, + .gp = IMX_GPIO_NR(1, 2), + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO1_IO03__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO_3 | PC, + .gp = IMX_GPIO_NR(1, 3), + }, +}; + +/* I2C3 for IO Expander */ +struct i2c_pads_info i2c_pad_info3 = { + .scl = { + .i2c_mode = MX6_PAD_KEY_COL4__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_KEY_COL4__GPIO2_IO_14 | PC, + .gp = IMX_GPIO_NR(2, 14), + }, + .sda = { + .i2c_mode = MX6_PAD_KEY_ROW4__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_KEY_ROW4__GPIO2_IO_19 | PC, + .gp = IMX_GPIO_NR(2, 19), + }, +}; + +int power_init_board(void) +{ + struct pmic *p; + + p = pfuze_common_init(I2C_PMIC); + if (!p) + return -ENODEV; + + return 0; +} + +#ifdef CONFIG_USB_EHCI_MX6 +#define USB_OTHERREGS_OFFSET 0x800 +#define UCTRL_PWR_POL (1 << 9) + +static iomux_v3_cfg_t const usb_otg_pads[] = { + /* OGT1 */ + MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL), + /* OTG2 */ + MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL) +}; + +static void setup_usb(void) +{ + imx_iomux_v3_setup_multiple_pads(usb_otg_pads, + ARRAY_SIZE(usb_otg_pads)); +} + +int board_usb_phy_mode(int port) +{ + if (port == 1) + return USB_INIT_HOST; + else + return usb_phy_mode(port); +} + +int board_ehci_hcd_init(int port) +{ + u32 *usbnc_usb_ctrl; + + if (port > 1) + return -EINVAL; + + usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + + port * 4); + + /* Set Power polarity */ + setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); + + return 0; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +static struct fsl_esdhc_cfg usdhc_cfg[3] = { + {USDHC3_BASE_ADDR}, + {USDHC4_BASE_ADDR}, +}; + +#define USDHC3_CD_GPIO IMX_GPIO_NR(7, 10) +#define USDHC3_RST_GPIO IMX_GPIO_NR(2, 11) +#define USDHC4_CD_GPIO IMX_GPIO_NR(7, 11) + +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = 0; + + switch (cfg->esdhc_base) { + case USDHC3_BASE_ADDR: + ret = !gpio_get_value(USDHC3_CD_GPIO); + break; + case USDHC4_BASE_ADDR: + ret = !gpio_get_value(USDHC4_CD_GPIO); + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ + int i, ret; + + /* + * According to the board_mmc_init() the following map is done: + * (U-boot device node) (Physical Port) + * mmc0 USDHC3 + * mmc1 USDHC4 + */ + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + gpio_direction_input(USDHC3_CD_GPIO); + + /* This starts a power cycle for UHS-I. Need to set steer to B0 to A*/ + gpio_direction_output(USDHC3_RST_GPIO, 0); + udelay(1000); /* need 1ms at least */ + gpio_direction_output(USDHC3_RST_GPIO, 1); + + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + gpio_direction_input(USDHC4_CD_GPIO); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + break; + default: + printf("Warning: you configured more USDHC controllers" + "(%d) than supported by the board\n", i + 1); + return -EINVAL; + } + + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + if (ret) { + printf("Warning: failed to initialize mmc dev %d\n", i); + return ret; + } + } + + return 0; +} + +#ifdef CONFIG_FSL_QSPI + +#define QSPI_PAD_CTRL1 \ + (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_HIGH | \ + PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_40ohm) + +static iomux_v3_cfg_t const quadspi_pads[] = { + MX6_PAD_QSPI1A_SS0_B__QSPI1_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1A_SCLK__QSPI1_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1A_DATA0__QSPI1_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1A_DATA1__QSPI1_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1A_DATA2__QSPI1_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1A_DATA3__QSPI1_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1B_SS0_B__QSPI1_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1B_SCLK__QSPI1_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1B_DATA0__QSPI1_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1B_DATA1__QSPI1_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1B_DATA2__QSPI1_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_QSPI1B_DATA3__QSPI1_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), +}; + +int board_qspi_init(void) +{ + /* Set the iomux */ + imx_iomux_v3_setup_multiple_pads(quadspi_pads, + ARRAY_SIZE(quadspi_pads)); + + /* Set the clock */ + enable_qspi_clk(0); + + return 0; +} +#endif + +#ifdef CONFIG_NAND_MXS +iomux_v3_cfg_t gpmi_pads[] = { + MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0), + MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), +}; + +static void setup_gpmi_nand(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* config gpmi nand iomux */ + imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); + + setup_gpmi_io_clk((MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) | + MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) | + MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3))); + + /* enable apbh clock gating */ + setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); +} +#endif + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_SYS_I2C_MXC + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); +#endif + + /* Reset CPU_PER_RST_B signal for enet phy and PCIE */ + port_exp_direction_output(CPU_PER_RST_B, 0); + udelay(500); + port_exp_direction_output(CPU_PER_RST_B, 1); + + /* Set steering signal to L for selecting B0 */ + port_exp_direction_output(STEER_ENET, 0); + +#ifdef CONFIG_USB_EHCI_MX6 + setup_usb(); +#endif + +#ifdef CONFIG_FSL_QSPI + board_qspi_init(); +#endif + +#ifdef CONFIG_NAND_MXS + setup_gpmi_nand(); +#endif + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + {"sda", MAKE_CFGVAL(0x42, 0x30, 0x00, 0x00)}, + {"sdb", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, + {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)}, + {"nand", MAKE_CFGVAL(0x82, 0x00, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + + return 0; +} + +int checkboard(void) +{ + puts("Board: MX6SX SABRE AUTO\n"); + + return 0; +} |