upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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745 lines
20 KiB
745 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Freescale Semiconductor, Inc.
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*/
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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/imx-regs.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/mx6ul_pins.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/boot_mode.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 <common.h>
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#include <fsl_esdhc.h>
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#include <i2c.h>
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#include <miiphy.h>
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#include <linux/sizes.h>
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#include <mmc.h>
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#include <netdev.h>
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#include <power/pmic.h>
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#include <power/pfuze3000_pmic.h>
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#include "../common/pfuze.h"
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#include <usb.h>
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#include <usb/ehci-ci.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_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_SRE_FAST | PAD_CTL_HYS)
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#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
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PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define USDHC_DAT3_CD_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \
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PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define I2C_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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PAD_CTL_ODE)
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#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_SPEED_HIGH | \
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PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
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#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
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#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
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#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
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#define OTG_ID_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_SRE_FAST | PAD_CTL_HYS)
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#ifdef CONFIG_DM_PMIC
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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, dev_id, rev_id;
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unsigned int reg;
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ret = pmic_get("pfuze3000", &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, PFUZE3000_DEVICEID);
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rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
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printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
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/* disable Low Power Mode during standby mode */
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reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL);
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reg |= 0x1;
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pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg);
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/* SW1B step ramp up time from 2us to 4us/25mV */
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reg = 0x40;
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pmic_reg_write(dev, PFUZE3000_SW1BCONF, reg);
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/* SW1B mode to APS/PFM */
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reg = 0xc;
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pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg);
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/* SW1B standby voltage set to 0.975V */
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reg = 0xb;
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pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg);
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return 0;
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}
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#endif
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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_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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#ifndef CONFIG_SPL_BUILD
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static iomux_v3_cfg_t const usdhc1_pads[] = {
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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_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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/* VSELECT */
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MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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/* CD */
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MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
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/* RST_B */
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MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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#endif
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/*
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* mx6ul_14x14_evk board default supports sd card. If want to use
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* EMMC, need to do board rework for sd2.
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* Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support
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* emmc, need to define this macro.
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*/
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#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
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static iomux_v3_cfg_t const usdhc2_emmc_pads[] = {
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MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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/*
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* RST_B
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*/
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MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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#else
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static iomux_v3_cfg_t const usdhc2_pads[] = {
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MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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};
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/*
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* The evk board uses DAT3 to detect CD card plugin,
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* in u-boot we mux the pin to GPIO when doing board_mmc_getcd.
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*/
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static iomux_v3_cfg_t const usdhc2_cd_pad =
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MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
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static iomux_v3_cfg_t const usdhc2_dat3_pad =
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MX6_PAD_NAND_DATA03__USDHC2_DATA3 |
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MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
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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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#ifdef CONFIG_FSL_QSPI
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static int board_qspi_init(void)
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{
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/* Set the clock */
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enable_qspi_clk(0);
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return 0;
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}
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#endif
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#ifdef CONFIG_FSL_ESDHC
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static struct fsl_esdhc_cfg usdhc_cfg[2] = {
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{USDHC1_BASE_ADDR, 0, 4},
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#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
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{USDHC2_BASE_ADDR, 0, 8},
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#else
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{USDHC2_BASE_ADDR, 0, 4},
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#endif
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};
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#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19)
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#define USDHC1_PWR_GPIO IMX_GPIO_NR(1, 9)
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#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 5)
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#define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 10)
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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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ret = !gpio_get_value(USDHC1_CD_GPIO);
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break;
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case USDHC2_BASE_ADDR:
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#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
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ret = 1;
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#else
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imx_iomux_v3_setup_pad(usdhc2_cd_pad);
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gpio_request(USDHC2_CD_GPIO, "usdhc2 cd");
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gpio_direction_input(USDHC2_CD_GPIO);
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/*
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* Since it is the DAT3 pin, this pin is pulled to
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* low voltage if no card
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*/
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ret = gpio_get_value(USDHC2_CD_GPIO);
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imx_iomux_v3_setup_pad(usdhc2_dat3_pad);
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#endif
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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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#ifdef CONFIG_SPL_BUILD
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#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
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imx_iomux_v3_setup_multiple_pads(usdhc2_emmc_pads,
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ARRAY_SIZE(usdhc2_emmc_pads));
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#else
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imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
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#endif
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gpio_direction_output(USDHC2_PWR_GPIO, 0);
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udelay(500);
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gpio_direction_output(USDHC2_PWR_GPIO, 1);
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usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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return fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
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#else
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int i, ret;
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/*
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* According to the board_mmc_init() the following map is done:
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* (U-Boot device node) (Physical Port)
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* mmc0 USDHC1
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* mmc1 USDHC2
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*/
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for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
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switch (i) {
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case 0:
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imx_iomux_v3_setup_multiple_pads(
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usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
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gpio_request(USDHC1_CD_GPIO, "usdhc1 cd");
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gpio_direction_input(USDHC1_CD_GPIO);
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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gpio_direction_output(USDHC1_PWR_GPIO, 0);
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udelay(500);
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gpio_direction_output(USDHC1_PWR_GPIO, 1);
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break;
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case 1:
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#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
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imx_iomux_v3_setup_multiple_pads(
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usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads));
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#else
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imx_iomux_v3_setup_multiple_pads(
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usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
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#endif
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gpio_request(USDHC2_PWR_GPIO, "usdhc2 pwr");
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gpio_direction_output(USDHC2_PWR_GPIO, 0);
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udelay(500);
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gpio_direction_output(USDHC2_PWR_GPIO, 1);
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usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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break;
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default:
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printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1);
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return -EINVAL;
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}
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ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
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if (ret) {
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printf("Warning: failed to initialize mmc dev %d\n", i);
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return ret;
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}
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}
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#endif
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return 0;
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}
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#endif
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#ifdef CONFIG_USB_EHCI_MX6
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#ifndef CONFIG_DM_USB
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#define USB_OTHERREGS_OFFSET 0x800
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#define UCTRL_PWR_POL (1 << 9)
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static iomux_v3_cfg_t const usb_otg_pads[] = {
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MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
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};
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/* At default the 3v3 enables the MIC2026 for VBUS power */
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static void setup_usb(void)
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{
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imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
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ARRAY_SIZE(usb_otg_pads));
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}
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int board_usb_phy_mode(int port)
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{
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if (port == 1)
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return USB_INIT_HOST;
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else
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return usb_phy_mode(port);
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}
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int board_ehci_hcd_init(int port)
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{
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u32 *usbnc_usb_ctrl;
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if (port > 1)
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return -EINVAL;
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usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
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port * 4);
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/* Set Power polarity */
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setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
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return 0;
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}
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#endif
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#endif
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#ifdef CONFIG_FEC_MXC
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/*
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* pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only
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* be used for ENET1 or ENET2, cannot be used for both.
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*/
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static iomux_v3_cfg_t const fec1_pads[] = {
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MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
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MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
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MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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};
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static iomux_v3_cfg_t const fec2_pads[] = {
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MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
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MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
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MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
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};
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static void setup_iomux_fec(int fec_id)
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{
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if (fec_id == 0)
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imx_iomux_v3_setup_multiple_pads(fec1_pads,
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ARRAY_SIZE(fec1_pads));
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else
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imx_iomux_v3_setup_multiple_pads(fec2_pads,
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ARRAY_SIZE(fec2_pads));
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}
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int board_eth_init(bd_t *bis)
|
|
{
|
|
setup_iomux_fec(CONFIG_FEC_ENET_DEV);
|
|
|
|
return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
|
|
CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
|
|
}
|
|
|
|
static int setup_fec(int fec_id)
|
|
{
|
|
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
|
|
int ret;
|
|
|
|
if (fec_id == 0) {
|
|
/*
|
|
* Use 50M anatop loopback REF_CLK1 for ENET1,
|
|
* clear gpr1[13], set gpr1[17].
|
|
*/
|
|
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
|
|
IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
|
|
} else {
|
|
/*
|
|
* Use 50M anatop loopback REF_CLK2 for ENET2,
|
|
* clear gpr1[14], set gpr1[18].
|
|
*/
|
|
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
|
|
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
|
|
}
|
|
|
|
ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
|
|
if (ret)
|
|
return ret;
|
|
|
|
enable_enet_clk(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_phy_config(struct phy_device *phydev)
|
|
{
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
|
|
|
|
if (phydev->drv->config)
|
|
phydev->drv->config(phydev);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_VIDEO_MXS
|
|
static iomux_v3_cfg_t const lcd_pads[] = {
|
|
MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
|
|
/* LCD_RST */
|
|
MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
|
|
/* Use GPIO for Brightness adjustment, duty cycle = period. */
|
|
MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
static int setup_lcd(void)
|
|
{
|
|
enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
|
|
|
|
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
|
|
|
|
/* Reset the LCD */
|
|
gpio_request(IMX_GPIO_NR(5, 9), "lcd reset");
|
|
gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
|
|
udelay(500);
|
|
gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
|
|
|
|
/* Set Brightness to high */
|
|
gpio_request(IMX_GPIO_NR(1, 8), "backlight");
|
|
gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
|
|
|
|
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;
|
|
|
|
#ifdef CONFIG_FEC_MXC
|
|
setup_fec(CONFIG_FEC_ENET_DEV);
|
|
#endif
|
|
|
|
#ifdef CONFIG_USB_EHCI_MX6
|
|
#ifndef CONFIG_DM_USB
|
|
setup_usb();
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef CONFIG_FSL_QSPI
|
|
board_qspi_init();
|
|
#endif
|
|
|
|
#ifdef CONFIG_VIDEO_MXS
|
|
setup_lcd();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
static const struct boot_mode board_boot_modes[] = {
|
|
/* 4 bit bus width */
|
|
{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
|
|
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
|
|
{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
|
|
{NULL, 0},
|
|
};
|
|
#endif
|
|
|
|
int board_late_init(void)
|
|
{
|
|
#ifdef CONFIG_CMD_BMODE
|
|
add_board_boot_modes(board_boot_modes);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
|
|
env_set("board_name", "EVK");
|
|
|
|
if (is_mx6ul_9x9_evk())
|
|
env_set("board_rev", "9X9");
|
|
else
|
|
env_set("board_rev", "14X14");
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int checkboard(void)
|
|
{
|
|
if (is_mx6ul_9x9_evk())
|
|
puts("Board: MX6UL 9x9 EVK\n");
|
|
else
|
|
puts("Board: MX6UL 14x14 EVK\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_SPL_BUILD
|
|
#include <linux/libfdt.h>
|
|
#include <spl.h>
|
|
#include <asm/arch/mx6-ddr.h>
|
|
|
|
|
|
static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
|
|
.grp_addds = 0x00000030,
|
|
.grp_ddrmode_ctl = 0x00020000,
|
|
.grp_b0ds = 0x00000030,
|
|
.grp_ctlds = 0x00000030,
|
|
.grp_b1ds = 0x00000030,
|
|
.grp_ddrpke = 0x00000000,
|
|
.grp_ddrmode = 0x00020000,
|
|
#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
|
|
.grp_ddr_type = 0x00080000,
|
|
#else
|
|
.grp_ddr_type = 0x000c0000,
|
|
#endif
|
|
};
|
|
|
|
#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
|
|
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
|
|
.dram_dqm0 = 0x00000030,
|
|
.dram_dqm1 = 0x00000030,
|
|
.dram_ras = 0x00000030,
|
|
.dram_cas = 0x00000030,
|
|
.dram_odt0 = 0x00000000,
|
|
.dram_odt1 = 0x00000000,
|
|
.dram_sdba2 = 0x00000000,
|
|
.dram_sdclk_0 = 0x00000030,
|
|
.dram_sdqs0 = 0x00003030,
|
|
.dram_sdqs1 = 0x00003030,
|
|
.dram_reset = 0x00000030,
|
|
};
|
|
|
|
static struct mx6_mmdc_calibration mx6_mmcd_calib = {
|
|
.p0_mpwldectrl0 = 0x00000000,
|
|
.p0_mpdgctrl0 = 0x20000000,
|
|
.p0_mprddlctl = 0x4040484f,
|
|
.p0_mpwrdlctl = 0x40405247,
|
|
.mpzqlp2ctl = 0x1b4700c7,
|
|
};
|
|
|
|
static struct mx6_lpddr2_cfg mem_ddr = {
|
|
.mem_speed = 800,
|
|
.density = 2,
|
|
.width = 16,
|
|
.banks = 4,
|
|
.rowaddr = 14,
|
|
.coladdr = 10,
|
|
.trcd_lp = 1500,
|
|
.trppb_lp = 1500,
|
|
.trpab_lp = 2000,
|
|
.trasmin = 4250,
|
|
};
|
|
|
|
struct mx6_ddr_sysinfo ddr_sysinfo = {
|
|
.dsize = 0,
|
|
.cs_density = 18,
|
|
.ncs = 1,
|
|
.cs1_mirror = 0,
|
|
.walat = 0,
|
|
.ralat = 5,
|
|
.mif3_mode = 3,
|
|
.bi_on = 1,
|
|
.rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */
|
|
.rtt_nom = 0,
|
|
.sde_to_rst = 0, /* LPDDR2 does not need this field */
|
|
.rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
|
|
.ddr_type = DDR_TYPE_LPDDR2,
|
|
.refsel = 0, /* Refresh cycles at 64KHz */
|
|
.refr = 3, /* 4 refresh commands per refresh cycle */
|
|
};
|
|
|
|
#else
|
|
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
|
|
.dram_dqm0 = 0x00000030,
|
|
.dram_dqm1 = 0x00000030,
|
|
.dram_ras = 0x00000030,
|
|
.dram_cas = 0x00000030,
|
|
.dram_odt0 = 0x00000030,
|
|
.dram_odt1 = 0x00000030,
|
|
.dram_sdba2 = 0x00000000,
|
|
.dram_sdclk_0 = 0x00000030,
|
|
.dram_sdqs0 = 0x00000030,
|
|
.dram_sdqs1 = 0x00000030,
|
|
.dram_reset = 0x00000030,
|
|
};
|
|
|
|
static struct mx6_mmdc_calibration mx6_mmcd_calib = {
|
|
.p0_mpwldectrl0 = 0x00000000,
|
|
.p0_mpdgctrl0 = 0x41570155,
|
|
.p0_mprddlctl = 0x4040474A,
|
|
.p0_mpwrdlctl = 0x40405550,
|
|
};
|
|
|
|
struct mx6_ddr_sysinfo ddr_sysinfo = {
|
|
.dsize = 0,
|
|
.cs_density = 20,
|
|
.ncs = 1,
|
|
.cs1_mirror = 0,
|
|
.rtt_wr = 2,
|
|
.rtt_nom = 1, /* RTT_Nom = RZQ/2 */
|
|
.walat = 0, /* Write additional latency */
|
|
.ralat = 5, /* Read additional latency */
|
|
.mif3_mode = 3, /* Command prediction working mode */
|
|
.bi_on = 1, /* Bank interleaving enabled */
|
|
.sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
|
|
.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
|
|
.ddr_type = DDR_TYPE_DDR3,
|
|
.refsel = 0, /* Refresh cycles at 64KHz */
|
|
.refr = 1, /* 2 refresh commands per refresh cycle */
|
|
};
|
|
|
|
static struct mx6_ddr3_cfg mem_ddr = {
|
|
.mem_speed = 800,
|
|
.density = 4,
|
|
.width = 16,
|
|
.banks = 8,
|
|
.rowaddr = 15,
|
|
.coladdr = 10,
|
|
.pagesz = 2,
|
|
.trcd = 1375,
|
|
.trcmin = 4875,
|
|
.trasmin = 3500,
|
|
};
|
|
#endif
|
|
|
|
static void ccgr_init(void)
|
|
{
|
|
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
|
|
|
|
writel(0xFFFFFFFF, &ccm->CCGR0);
|
|
writel(0xFFFFFFFF, &ccm->CCGR1);
|
|
writel(0xFFFFFFFF, &ccm->CCGR2);
|
|
writel(0xFFFFFFFF, &ccm->CCGR3);
|
|
writel(0xFFFFFFFF, &ccm->CCGR4);
|
|
writel(0xFFFFFFFF, &ccm->CCGR5);
|
|
writel(0xFFFFFFFF, &ccm->CCGR6);
|
|
writel(0xFFFFFFFF, &ccm->CCGR7);
|
|
}
|
|
|
|
static void spl_dram_init(void)
|
|
{
|
|
mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
|
|
mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
|
|
}
|
|
|
|
void board_init_f(ulong dummy)
|
|
{
|
|
ccgr_init();
|
|
|
|
/* setup AIPS and disable watchdog */
|
|
arch_cpu_init();
|
|
|
|
/* iomux and setup of i2c */
|
|
board_early_init_f();
|
|
|
|
/* setup GP timer */
|
|
timer_init();
|
|
|
|
/* UART clocks enabled and gd valid - init serial console */
|
|
preloader_console_init();
|
|
|
|
/* DDR initialization */
|
|
spl_dram_init();
|
|
|
|
/* Clear the BSS. */
|
|
memset(__bss_start, 0, __bss_end - __bss_start);
|
|
|
|
/* load/boot image from boot device */
|
|
board_init_r(NULL, 0);
|
|
}
|
|
#endif
|
|
|