Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Peng Fan | 186585c | 2016-12-11 19:24:37 +0800 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2016 Freescale Semiconductor, Inc. |
Peng Fan | 186585c | 2016-12-11 19:24:37 +0800 | [diff] [blame] | 4 | */ |
| 5 | |
Simon Glass | a7b5130 | 2019-11-14 12:57:46 -0700 | [diff] [blame] | 6 | #include <init.h> |
Peng Fan | 186585c | 2016-12-11 19:24:37 +0800 | [diff] [blame] | 7 | #include <asm/arch/clock.h> |
| 8 | #include <asm/arch/crm_regs.h> |
| 9 | #include <asm/arch/iomux.h> |
| 10 | #include <asm/arch/imx-regs.h> |
| 11 | #include <asm/arch/mx6-pins.h> |
| 12 | #include <asm/arch/sys_proto.h> |
| 13 | #include <asm/gpio.h> |
Stefano Babic | 33731bc | 2017-06-29 10:16:06 +0200 | [diff] [blame] | 14 | #include <asm/mach-imx/iomux-v3.h> |
| 15 | #include <asm/mach-imx/boot_mode.h> |
Peng Fan | 186585c | 2016-12-11 19:24:37 +0800 | [diff] [blame] | 16 | #include <asm/io.h> |
| 17 | #include <common.h> |
| 18 | #include <linux/sizes.h> |
| 19 | #include <mmc.h> |
| 20 | #include <power/pmic.h> |
| 21 | #include <power/pfuze100_pmic.h> |
| 22 | #include "../common/pfuze.h" |
| 23 | |
| 24 | DECLARE_GLOBAL_DATA_PTR; |
| 25 | |
| 26 | #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| 27 | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| 28 | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| 29 | |
| 30 | int dram_init(void) |
| 31 | { |
| 32 | gd->ram_size = imx_ddr_size(); |
| 33 | |
| 34 | return 0; |
| 35 | } |
| 36 | |
| 37 | static iomux_v3_cfg_t const uart1_pads[] = { |
| 38 | MX6_PAD_UART1_TXD__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| 39 | MX6_PAD_UART1_RXD__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| 40 | }; |
| 41 | |
| 42 | static iomux_v3_cfg_t const wdog_pads[] = { |
| 43 | MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL), |
| 44 | }; |
| 45 | |
| 46 | static void setup_iomux_uart(void) |
| 47 | { |
| 48 | imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); |
| 49 | } |
| 50 | |
| 51 | #ifdef CONFIG_DM_PMIC_PFUZE100 |
| 52 | int power_init_board(void) |
| 53 | { |
| 54 | struct udevice *dev; |
| 55 | int ret; |
| 56 | u32 dev_id, rev_id, i; |
| 57 | u32 switch_num = 6; |
| 58 | u32 offset = PFUZE100_SW1CMODE; |
| 59 | |
Fabio Estevam | cf7a820 | 2019-12-20 14:59:27 -0300 | [diff] [blame] | 60 | ret = pmic_get("pfuze100@08", &dev); |
Peng Fan | 186585c | 2016-12-11 19:24:37 +0800 | [diff] [blame] | 61 | if (ret == -ENODEV) |
| 62 | return 0; |
| 63 | |
| 64 | if (ret != 0) |
| 65 | return ret; |
| 66 | |
| 67 | dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID); |
| 68 | rev_id = pmic_reg_read(dev, PFUZE100_REVID); |
| 69 | printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id); |
| 70 | |
| 71 | |
| 72 | /* Init mode to APS_PFM */ |
| 73 | pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM); |
| 74 | |
| 75 | for (i = 0; i < switch_num - 1; i++) |
| 76 | pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM); |
| 77 | |
| 78 | /* set SW1AB staby volatage 0.975V */ |
| 79 | pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b); |
| 80 | |
| 81 | /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ |
| 82 | pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40); |
| 83 | |
| 84 | /* set SW1C staby volatage 0.975V */ |
| 85 | pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b); |
| 86 | |
| 87 | /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ |
| 88 | pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40); |
| 89 | |
| 90 | return 0; |
| 91 | } |
| 92 | #endif |
| 93 | |
| 94 | int board_early_init_f(void) |
| 95 | { |
| 96 | setup_iomux_uart(); |
| 97 | |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | int board_init(void) |
| 102 | { |
| 103 | /* Address of boot parameters */ |
| 104 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| 105 | |
| 106 | return 0; |
| 107 | } |
| 108 | |
| 109 | int board_late_init(void) |
| 110 | { |
| 111 | imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); |
| 112 | |
| 113 | return 0; |
| 114 | } |
| 115 | |
| 116 | int checkboard(void) |
| 117 | { |
| 118 | puts("Board: MX6SLL EVK\n"); |
| 119 | |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | int board_mmc_get_env_dev(int devno) |
| 124 | { |
| 125 | return devno; |
| 126 | } |
| 127 | |
| 128 | int mmc_map_to_kernel_blk(int devno) |
| 129 | { |
| 130 | return devno; |
| 131 | } |