mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-08 22:24:32 +00:00
691d719db7
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
389 lines
9.6 KiB
C
389 lines
9.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2013 Freescale Semiconductor, Inc.
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*
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* Author: Fabio Estevam <fabio.estevam@freescale.com>
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*/
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#include <init.h>
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#include <net.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/mx6-ddr.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm/mach-imx/mxc_i2c.h>
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#include <asm/io.h>
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#include <linux/sizes.h>
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#include <common.h>
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#include <fsl_esdhc_imx.h>
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#include <i2c.h>
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#include <mmc.h>
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#include <power/pmic.h>
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#include <power/pfuze100_pmic.h>
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#include "../common/pfuze.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
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PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define USDHC_PAD_CTRL (PAD_CTL_PUS_22K_UP | \
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PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
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PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
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#define OTGID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\
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PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
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PAD_CTL_SRE_FAST)
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#define ETH_PHY_POWER IMX_GPIO_NR(4, 21)
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int dram_init(void)
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{
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gd->ram_size = imx_ddr_size();
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return 0;
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}
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static iomux_v3_cfg_t const uart1_pads[] = {
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MX6_PAD_UART1_TXD__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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#ifdef CONFIG_SPL_BUILD
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static iomux_v3_cfg_t const usdhc1_pads[] = {
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/* 8 bit SD */
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MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT0__USDHC1_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT1__USDHC1_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT2__USDHC1_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT3__USDHC1_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT4__USDHC1_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT5__USDHC1_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT6__USDHC1_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DAT7__USDHC1_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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/*CD pin*/
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MX6_PAD_KEY_ROW7__GPIO_4_7 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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static iomux_v3_cfg_t const usdhc2_pads[] = {
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MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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/*CD pin*/
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MX6_PAD_SD2_DAT7__GPIO_5_0 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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static iomux_v3_cfg_t const usdhc3_pads[] = {
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MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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/*CD pin*/
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MX6_PAD_REF_CLK_32K__GPIO_3_22 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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#endif
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static void setup_iomux_uart(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
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}
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int board_mmc_get_env_dev(int devno)
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{
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return devno;
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}
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#ifdef CONFIG_DM_PMIC_PFUZE100
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int power_init_board(void)
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{
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struct udevice *dev;
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int ret;
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u32 dev_id, rev_id, i;
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u32 switch_num = 6;
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u32 offset = PFUZE100_SW1CMODE;
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ret = pmic_get("pfuze100@08", &dev);
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if (ret == -ENODEV)
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return 0;
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if (ret != 0)
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return ret;
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dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
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rev_id = pmic_reg_read(dev, PFUZE100_REVID);
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printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
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/* set SW1AB staby volatage 0.975V */
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pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b);
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/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
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pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40);
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/* set SW1C staby volatage 0.975V */
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pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b);
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/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
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pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40);
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/* Init mode to APS_PFM */
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pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM);
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for (i = 0; i < switch_num - 1; i++)
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pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM);
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return 0;
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}
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#endif
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#ifdef CONFIG_FEC_MXC
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static int setup_fec(void)
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{
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struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
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/* clear gpr1[14], gpr1[18:17] to select anatop clock */
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clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0);
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return enable_fec_anatop_clock(0, ENET_50MHZ);
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}
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#endif
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int board_early_init_f(void)
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{
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setup_iomux_uart();
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return 0;
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}
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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#ifdef CONFIG_FEC_MXC
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setup_fec();
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#endif
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return 0;
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}
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int checkboard(void)
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{
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puts("Board: MX6SLEVK\n");
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return 0;
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}
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#ifdef CONFIG_SPL_BUILD
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#include <spl.h>
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#include <linux/libfdt.h>
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#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
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#define USDHC2_CD_GPIO IMX_GPIO_NR(5, 0)
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#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 22)
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static struct fsl_esdhc_cfg usdhc_cfg[3] = {
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{USDHC1_BASE_ADDR},
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{USDHC2_BASE_ADDR, 0, 4},
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{USDHC3_BASE_ADDR, 0, 4},
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};
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int board_mmc_getcd(struct mmc *mmc)
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{
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struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
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int ret = 0;
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switch (cfg->esdhc_base) {
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case USDHC1_BASE_ADDR:
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gpio_request(USDHC1_CD_GPIO, "cd1_gpio");
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ret = !gpio_get_value(USDHC1_CD_GPIO);
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break;
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case USDHC2_BASE_ADDR:
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gpio_request(USDHC2_CD_GPIO, "cd2_gpio");
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ret = !gpio_get_value(USDHC2_CD_GPIO);
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break;
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case USDHC3_BASE_ADDR:
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gpio_request(USDHC3_CD_GPIO, "cd3_gpio");
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ret = !gpio_get_value(USDHC3_CD_GPIO);
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break;
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}
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return ret;
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}
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int board_mmc_init(bd_t *bis)
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{
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struct src *src_regs = (struct src *)SRC_BASE_ADDR;
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u32 val;
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u32 port;
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val = readl(&src_regs->sbmr1);
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/* Boot from USDHC */
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port = (val >> 11) & 0x3;
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switch (port) {
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case 0:
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imx_iomux_v3_setup_multiple_pads(usdhc1_pads,
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ARRAY_SIZE(usdhc1_pads));
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gpio_direction_input(USDHC1_CD_GPIO);
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usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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break;
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case 1:
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imx_iomux_v3_setup_multiple_pads(usdhc2_pads,
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ARRAY_SIZE(usdhc2_pads));
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gpio_direction_input(USDHC2_CD_GPIO);
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usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
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usdhc_cfg[0].max_bus_width = 4;
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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break;
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case 2:
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imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
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ARRAY_SIZE(usdhc3_pads));
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gpio_direction_input(USDHC3_CD_GPIO);
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usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
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usdhc_cfg[0].max_bus_width = 4;
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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break;
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}
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gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
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return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
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}
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const struct mx6sl_iomux_ddr_regs mx6_ddr_ioregs = {
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.dram_sdqs0 = 0x00003030,
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.dram_sdqs1 = 0x00003030,
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.dram_sdqs2 = 0x00003030,
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.dram_sdqs3 = 0x00003030,
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.dram_dqm0 = 0x00000030,
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.dram_dqm1 = 0x00000030,
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.dram_dqm2 = 0x00000030,
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.dram_dqm3 = 0x00000030,
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.dram_cas = 0x00000030,
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.dram_ras = 0x00000030,
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.dram_sdclk_0 = 0x00000028,
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.dram_reset = 0x00000030,
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.dram_sdba2 = 0x00000000,
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.dram_odt0 = 0x00000008,
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.dram_odt1 = 0x00000008,
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};
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const struct mx6sl_iomux_grp_regs mx6_grp_ioregs = {
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.grp_b0ds = 0x00000030,
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.grp_b1ds = 0x00000030,
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.grp_b2ds = 0x00000030,
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.grp_b3ds = 0x00000030,
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.grp_addds = 0x00000030,
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.grp_ctlds = 0x00000030,
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.grp_ddrmode_ctl = 0x00020000,
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.grp_ddrpke = 0x00000000,
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.grp_ddrmode = 0x00020000,
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.grp_ddr_type = 0x00080000,
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};
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const struct mx6_mmdc_calibration mx6_mmcd_calib = {
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.p0_mpdgctrl0 = 0x20000000,
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.p0_mpdgctrl1 = 0x00000000,
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.p0_mprddlctl = 0x4241444a,
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.p0_mpwrdlctl = 0x3030312b,
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.mpzqlp2ctl = 0x1b4700c7,
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};
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static struct mx6_lpddr2_cfg mem_ddr = {
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.mem_speed = 800,
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.density = 4,
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.width = 32,
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.banks = 8,
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.rowaddr = 14,
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.coladdr = 10,
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.trcd_lp = 2000,
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.trppb_lp = 2000,
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.trpab_lp = 2250,
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.trasmin = 4200,
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};
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static void ccgr_init(void)
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{
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struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
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writel(0xFFFFFFFF, &ccm->CCGR0);
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writel(0xFFFFFFFF, &ccm->CCGR1);
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writel(0xFFFFFFFF, &ccm->CCGR2);
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writel(0xFFFFFFFF, &ccm->CCGR3);
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writel(0xFFFFFFFF, &ccm->CCGR4);
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writel(0xFFFFFFFF, &ccm->CCGR5);
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writel(0xFFFFFFFF, &ccm->CCGR6);
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writel(0x00260324, &ccm->cbcmr);
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}
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static void spl_dram_init(void)
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{
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struct mx6_ddr_sysinfo sysinfo = {
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.dsize = mem_ddr.width / 32,
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.cs_density = 20,
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.ncs = 2,
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.cs1_mirror = 0,
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.walat = 0,
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.ralat = 2,
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.mif3_mode = 3,
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.bi_on = 1,
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.rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */
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.rtt_nom = 0,
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.sde_to_rst = 0, /* LPDDR2 does not need this field */
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.rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
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.ddr_type = DDR_TYPE_LPDDR2,
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.refsel = 0, /* Refresh cycles at 64KHz */
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.refr = 3, /* 4 refresh commands per refresh cycle */
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};
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mx6sl_dram_iocfg(32, &mx6_ddr_ioregs, &mx6_grp_ioregs);
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mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
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}
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void board_init_f(ulong dummy)
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{
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/* setup AIPS and disable watchdog */
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arch_cpu_init();
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ccgr_init();
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/* iomux and setup of i2c */
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board_early_init_f();
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/* setup GP timer */
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timer_init();
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/* UART clocks enabled and gd valid - init serial console */
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preloader_console_init();
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/* DDR initialization */
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spl_dram_init();
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/* Clear the BSS. */
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memset(__bss_start, 0, __bss_end - __bss_start);
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/* load/boot image from boot device */
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board_init_r(NULL, 0);
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}
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#endif
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