diff options
Diffstat (limited to 'board/freescale/mx6sxsabresd')
-rw-r--r-- | board/freescale/mx6sxsabresd/Kconfig | 23 | ||||
-rw-r--r-- | board/freescale/mx6sxsabresd/MAINTAINERS | 6 | ||||
-rw-r--r-- | board/freescale/mx6sxsabresd/Makefile | 6 | ||||
-rw-r--r-- | board/freescale/mx6sxsabresd/imximage.cfg | 132 | ||||
-rw-r--r-- | board/freescale/mx6sxsabresd/mx6sxsabresd.c | 295 |
5 files changed, 462 insertions, 0 deletions
diff --git a/board/freescale/mx6sxsabresd/Kconfig b/board/freescale/mx6sxsabresd/Kconfig new file mode 100644 index 0000000..ee8f4a6 --- /dev/null +++ b/board/freescale/mx6sxsabresd/Kconfig @@ -0,0 +1,23 @@ +if TARGET_MX6SXSABRESD + +config SYS_CPU + string + default "armv7" + +config SYS_BOARD + string + default "mx6sxsabresd" + +config SYS_VENDOR + string + default "freescale" + +config SYS_SOC + string + default "mx6" + +config SYS_CONFIG_NAME + string + default "mx6sxsabresd" + +endif diff --git a/board/freescale/mx6sxsabresd/MAINTAINERS b/board/freescale/mx6sxsabresd/MAINTAINERS new file mode 100644 index 0000000..f52f300 --- /dev/null +++ b/board/freescale/mx6sxsabresd/MAINTAINERS @@ -0,0 +1,6 @@ +MX6SXSABRESD BOARD +M: Fabio Estevam <fabio.estevam@freescale.com> +S: Maintained +F: board/freescale/mx6sxsabresd/ +F: include/configs/mx6sxsabresd.h +F: configs/mx6sxsabresd_defconfig diff --git a/board/freescale/mx6sxsabresd/Makefile b/board/freescale/mx6sxsabresd/Makefile new file mode 100644 index 0000000..97dbfda --- /dev/null +++ b/board/freescale/mx6sxsabresd/Makefile @@ -0,0 +1,6 @@ +# (C) Copyright 2014 Freescale Semiconductor, Inc. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := mx6sxsabresd.o diff --git a/board/freescale/mx6sxsabresd/imximage.cfg b/board/freescale/mx6sxsabresd/imximage.cfg new file mode 100644 index 0000000..c862617 --- /dev/null +++ b/board/freescale/mx6sxsabresd/imximage.cfg @@ -0,0 +1,132 @@ +/* + * 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 0x00000020 +DATA 4 0x020e02fc 0x00000020 +DATA 4 0x020e05f4 0x00000020 + +/* Control */ +DATA 4 0x020e0340 0x00000020 + +DATA 4 0x020e0320 0x00000000 +DATA 4 0x020e0310 0x00000020 +DATA 4 0x020e0314 0x00000020 +DATA 4 0x020e0614 0x00000020 + +/* Data Strobe */ +DATA 4 0x020e05f8 0x00020000 +DATA 4 0x020e0330 0x00000028 +DATA 4 0x020e0334 0x00000028 +DATA 4 0x020e0338 0x00000028 +DATA 4 0x020e033c 0x00000028 + +/* Data */ +DATA 4 0x020e0608 0x00020000 +DATA 4 0x020e060c 0x00000028 +DATA 4 0x020e0610 0x00000028 +DATA 4 0x020e061c 0x00000028 +DATA 4 0x020e0620 0x00000028 +DATA 4 0x020e02ec 0x00000028 +DATA 4 0x020e02f0 0x00000028 +DATA 4 0x020e02f4 0x00000028 +DATA 4 0x020e02f8 0x00000028 + +/* Calibrations - ZQ */ +DATA 4 0x021b0800 0xa1390003 + +/* Write leveling */ +DATA 4 0x021b080c 0x00290025 +DATA 4 0x021b0810 0x00220022 + +/* DQS Read Gate */ +DATA 4 0x021b083c 0x41480144 +DATA 4 0x021b0840 0x01340130 + +/* Read/Write Delay */ +DATA 4 0x021b0848 0x3C3E4244 +DATA 4 0x021b0850 0x34363638 + +/* 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 0x0000005f +DATA 4 0x021b0000 0x84190000 + +/* Initialize MT41K256M16HA-125 - MR2 */ +DATA 4 0x021b001c 0x04008032 +/* MR3 */ +DATA 4 0x021b001c 0x00008033 +/* MR1 */ +DATA 4 0x021b001c 0x00048031 +/* 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 0x00011117 +DATA 4 0x021b001c 0x00000000 diff --git a/board/freescale/mx6sxsabresd/mx6sxsabresd.c b/board/freescale/mx6sxsabresd/mx6sxsabresd.c new file mode 100644 index 0000000..5eaec1b --- /dev/null +++ b/board/freescale/mx6sxsabresd/mx6sxsabresd.c @@ -0,0 +1,295 @@ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam <fabio.estevam@freescale.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/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> + +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_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) + +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 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_DATA7__GPIO6_IO_21 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD2__ENET1_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD3__ENET1_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RXC__ENET1_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD2__ENET1_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD3__ENET1_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static iomux_v3_cfg_t const peri_3v3_pads[] = { + MX6_PAD_QSPI1A_DATA0__GPIO4_IO_16 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const phy_control_pads[] = { + /* 25MHz Ethernet PHY Clock */ + MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + + /* ENET PHY Power */ + MX6_PAD_ENET2_COL__GPIO2_IO_6 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* AR8031 PHY Reset */ + MX6_PAD_ENET2_CRS__GPIO2_IO_7 | MUX_PAD_CTRL(NO_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; + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + int ret; + int reg; + + /* Use 125MHz anatop loopback REF_CLK1 for ENET1 */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0); + + imx_iomux_v3_setup_multiple_pads(phy_control_pads, + ARRAY_SIZE(phy_control_pads)); + + /* Enable the ENET power, active low */ + gpio_direction_output(IMX_GPIO_NR(2, 6) , 0); + + /* Reset AR8031 PHY */ + gpio_direction_output(IMX_GPIO_NR(2, 7) , 0); + udelay(500); + gpio_set_value(IMX_GPIO_NR(2, 7), 1); + + reg = readl(&anatop->pll_enet); + reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE; + writel(reg, &anatop->pll_enet); + + ret = enable_fec_anatop_clock(ENET_125MHz); + if (ret) + return ret; + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); + setup_fec(); + + return cpu_eth_init(bis); +} + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C1 for PMIC */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO1_IO00__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO_0 | PC, + .gp = IMX_GPIO_NR(1, 0), + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO1_IO01__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO_1 | PC, + .gp = IMX_GPIO_NR(1, 1), + }, +}; + +static int pfuze_init(void) +{ + struct pmic *p; + int ret; + unsigned int reg; + + ret = power_pfuze100_init(I2C_PMIC); + if (ret) + return ret; + + p = pmic_get("PFUZE100"); + ret = pmic_probe(p); + if (ret) + return ret; + + pmic_reg_read(p, PFUZE100_DEVICEID, ®); + printf("PMIC: PFUZE100 ID=0x%02x\n", reg); + + /* Set SW1AB standby voltage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg); + + /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PUZE_100_SW1ABCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(p, PUZE_100_SW1ABCONF, reg); + + /* Set SW1C standby voltage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1CSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(p, PFUZE100_SW1CSTBY, reg); + + /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PFUZE100_SW1CCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(p, PFUZE100_SW1CCONF, reg); + + /* Enable power of VGEN5 3V3, needed for SD3 */ + pmic_reg_read(p, PFUZE100_VGEN5VOL, ®); + reg &= ~0x1F; + reg |= 0x1F; + pmic_reg_write(p, PFUZE100_VGEN5VOL, reg); + + return 0; +} + +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; +} + +int board_early_init_f(void) +{ + setup_iomux_uart(); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + + /* Enable PERI_3V3, which is used by SD2, ENET, LVDS, BT */ + imx_iomux_v3_setup_multiple_pads(peri_3v3_pads, + ARRAY_SIZE(peri_3v3_pads)); + + /* Active high for ncp692 */ + gpio_direction_output(IMX_GPIO_NR(4, 16) , 1); + + return 0; +} + +static struct fsl_esdhc_cfg usdhc_cfg[1] = { + {USDHC4_BASE_ADDR}, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + return 1; /* Assume boot SD always present */ +} + +int board_mmc_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int board_late_init(void) +{ + pfuze_init(); + + return 0; +} + +int checkboard(void) +{ + puts("Board: MX6SX SABRE SDB\n"); + + return 0; +} |