diff options
Diffstat (limited to 'board/freescale/mx6sllevk/mx6sllevk.c')
-rw-r--r-- | board/freescale/mx6sllevk/mx6sllevk.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/board/freescale/mx6sllevk/mx6sllevk.c b/board/freescale/mx6sllevk/mx6sllevk.c new file mode 100644 index 0000000000..74a27a3af0 --- /dev/null +++ b/board/freescale/mx6sllevk/mx6sllevk.c @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * 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 <common.h> +#include <linux/sizes.h> +#include <mmc.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include "../common/pfuze.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) + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_UART1_TXD__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_UART1_RXD__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const wdog_pads[] = { + MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +#ifdef CONFIG_DM_PMIC_PFUZE100 +int power_init_board(void) +{ + struct udevice *dev; + int ret; + u32 dev_id, rev_id, i; + u32 switch_num = 6; + u32 offset = PFUZE100_SW1CMODE; + + ret = pmic_get("pfuze100", &dev); + if (ret == -ENODEV) + return 0; + + if (ret != 0) + return ret; + + dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID); + rev_id = pmic_reg_read(dev, PFUZE100_REVID); + printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id); + + + /* Init mode to APS_PFM */ + pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM); + + for (i = 0; i < switch_num - 1; i++) + pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM); + + /* set SW1AB staby volatage 0.975V */ + pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b); + + /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40); + + /* set SW1C staby volatage 0.975V */ + pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b); + + /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ + pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40); + + return 0; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int board_late_init(void) +{ + imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); + + return 0; +} + +int checkboard(void) +{ + puts("Board: MX6SLL EVK\n"); + + return 0; +} + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +int mmc_map_to_kernel_blk(int devno) +{ + return devno; +} |