+++ /dev/null
-/*
- * Copyright (C) 2012 Freescale Semiconductor, Inc.
- *
- * Author: Fabio Estevam <fabio.estevam@freescale.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/iomux.h>
-#include <asm/arch/mx6x_pins.h>
-#include <asm/errno.h>
-#include <asm/gpio.h>
-#include <asm/imx-common/iomux-v3.h>
-#include <mmc.h>
-#include <fsl_esdhc.h>
-#include <miiphy.h>
-#include <netdev.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_47K_UP | PAD_CTL_SPEED_LOW | \
- PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
- PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
-
-int dram_init(void)
-{
- gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
-
- return 0;
-}
-
-iomux_v3_cfg_t const uart1_pads[] = {
- MX6Q_PAD_CSI0_DAT10__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
- MX6Q_PAD_CSI0_DAT11__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
-};
-
-iomux_v3_cfg_t const enet_pads[] = {
- MX6Q_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_TXC__ENET_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_TD0__ENET_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_TD1__ENET_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_TD2__ENET_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_TD3__ENET_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_RXC__ENET_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_RD0__ENET_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_RD1__ENET_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_RD2__ENET_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_RD3__ENET_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6Q_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
- /* AR8031 PHY Reset */
- MX6Q_PAD_ENET_CRS_DV__GPIO_1_25 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
-static void setup_iomux_enet(void)
-{
- imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
-
- /* Reset AR8031 PHY */
- gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
- udelay(500);
- gpio_set_value(IMX_GPIO_NR(1, 25), 1);
-}
-
-iomux_v3_cfg_t const usdhc2_pads[] = {
- MX6Q_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_NANDF_D4__USDHC2_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_NANDF_D5__USDHC2_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_NANDF_D6__USDHC2_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_NANDF_D7__USDHC2_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_NANDF_D2__GPIO_2_2 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
-};
-
-iomux_v3_cfg_t const usdhc3_pads[] = {
- MX6Q_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT4__USDHC3_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT5__USDHC3_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT6__USDHC3_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD3_DAT7__USDHC3_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_NANDF_D0__GPIO_2_0 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
-};
-
-iomux_v3_cfg_t const usdhc4_pads[] = {
- MX6Q_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT4__USDHC4_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT5__USDHC4_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT6__USDHC4_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6Q_PAD_SD4_DAT7__USDHC4_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-};
-
-static void setup_iomux_uart(void)
-{
- imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
-}
-
-#ifdef CONFIG_FSL_ESDHC
-struct fsl_esdhc_cfg usdhc_cfg[3] = {
- {USDHC2_BASE_ADDR},
- {USDHC3_BASE_ADDR},
- {USDHC4_BASE_ADDR},
-};
-
-#define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2)
-#define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0)
-
-int board_mmc_getcd(struct mmc *mmc)
-{
- struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
-
- switch (cfg->esdhc_base) {
- case USDHC2_BASE_ADDR:
- return !gpio_get_value(USDHC2_CD_GPIO);
- case USDHC3_BASE_ADDR:
- return !gpio_get_value(USDHC3_CD_GPIO);
- default:
- return 1; /* eMMC/uSDHC4 is always present */
- }
-}
-
-int board_mmc_init(bd_t *bis)
-{
- int i;
-
- for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
- switch (i) {
- case 0:
- imx_iomux_v3_setup_multiple_pads(
- usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
- gpio_direction_input(USDHC2_CD_GPIO);
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
- break;
- case 1:
- imx_iomux_v3_setup_multiple_pads(
- usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
- gpio_direction_input(USDHC3_CD_GPIO);
- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- break;
- case 2:
- imx_iomux_v3_setup_multiple_pads(
- usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
- usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
- break;
- default:
- printf("Warning: you configured more USDHC controllers"
- "(%d) than supported by the board\n", i + 1);
- return 0;
- }
-
- if (fsl_esdhc_initialize(bis, &usdhc_cfg[i]))
- printf("Warning: failed to initialize mmc dev %d\n", i);
- }
-
- return 0;
-}
-#endif
-
-int mx6_rgmii_rework(struct phy_device *phydev)
-{
- unsigned short val;
-
- /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
- phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
- phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
- phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
-
- val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
- val &= 0xffe3;
- val |= 0x18;
- phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
-
- /* introduce tx clock delay */
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
- val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
- val |= 0x0100;
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
-
- return 0;
-}
-
-int board_phy_config(struct phy_device *phydev)
-{
- mx6_rgmii_rework(phydev);
-
- if (phydev->drv->config)
- phydev->drv->config(phydev);
-
- return 0;
-}
-
-int board_eth_init(bd_t *bis)
-{
- int ret;
-
- setup_iomux_enet();
-
- ret = cpu_eth_init(bis);
- if (ret)
- printf("FEC MXC: %s:failed\n", __func__);
-
- return 0;
-}
-
-u32 get_board_rev(void)
-{
- return 0x63000;
-}
-
-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 checkboard(void)
-{
- puts("Board: MX6Q-SabreSD\n");
-
- return 0;
-}
projects / karo-tx-uboot.git / blobdiff