+++ /dev/null
-/*
- * Copyright (C) 2013 Freescale Semiconductor, Inc.
- * Copyright (C) 2013 SolidRun ltd.
- * Copyright (C) 2013 Jon Nettleton <jon.nettleton@gmail.com>.
- *
- * Authors: Fabio Estevam <fabio.estevam@freescale.com>
- Jon Nettleton <jon.nettleton@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <asm/arch/clock.h>
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/iomux.h>
-#include <asm/arch/mx6-pins.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/errno.h>
-#include <asm/gpio.h>
-#include <asm/imx-common/iomux-v3.h>
-#include <asm/io.h>
-#include <mmc.h>
-#include <fsl_esdhc.h>
-#include <miiphy.h>
-#include <netdev.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define UART_PAD_CTRL (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_PUS_47K_UP | \
- PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
- PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-#define USDHC_PAD_CLK_CTRL (PAD_CTL_SPEED_LOW | \
- PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | \
- PAD_CTL_HYS)
-
-#define USDHC_PAD_GPIO_CTRL (PAD_CTL_PUS_22K_UP | \
- PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \
- PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
- PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
-
-#define ENET_PAD_CTRL_PD (PAD_CTL_PUS_100K_DOWN | \
- PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
-
-#define ENET_PAD_CTRL_CLK ((PAD_CTL_PUS_100K_UP & ~PAD_CTL_PKE) | \
- PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
-
-#define ETH_PHY_RESET IMX_GPIO_NR(4, 15)
-
-int dram_init(void)
-{
- gd->ram_size = ((phys_size_t)CONFIG_DDR_MB * 1024 * 1024);
-
- return 0;
-}
-
-static iomux_v3_cfg_t const uart1_pads[] = {
- MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
- MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
-};
-
-static void setup_iomux_uart(void)
-{
- imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
-}
-
-static iomux_v3_cfg_t const usdhc2_pads[] = {
- MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
- MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_GPIO_4__SD2_CD_B | MUX_PAD_CTRL(USDHC_PAD_GPIO_CTRL),
-};
-
-#ifdef CONFIG_FSL_ESDHC
-static struct fsl_esdhc_cfg usdhc_cfg[1] = {
- { USDHC2_BASE_ADDR },
-};
-
-int board_mmc_getcd(struct mmc *mmc)
-{
- return 1; /* SD card is the boot medium, so always present */
-}
-
-int board_mmc_init(bd_t *bis)
-{
- imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
-
- return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
-}
-#endif
-
-#ifdef CONFIG_FEC_MXC
-static iomux_v3_cfg_t const enet_pads[] = {
- MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- /* AR8035 reset */
- MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
- /* AR8035 interrupt */
- MX6_PAD_DI0_PIN2__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL),
- /* GPIO16 -> AR8035 25MHz */
- MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
- MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(NO_PAD_CTRL),
- MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
- /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
- MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL_CLK),
- MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
- MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
- MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
-};
-
-static void setup_iomux_enet(void)
-{
- imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
-
- gpio_direction_output(ETH_PHY_RESET, 0);
- mdelay(2);
- gpio_set_value(ETH_PHY_RESET, 1);
-}
-
-int board_phy_config(struct phy_device *phydev)
-{
- if (phydev->drv->config)
- phydev->drv->config(phydev);
-
- return 0;
-}
-
-int board_eth_init(bd_t *bis)
-{
- struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
-
- int ret = enable_fec_anatop_clock(ENET_25MHZ);
- if (ret)
- return ret;
-
- /* set gpr1[ENET_CLK_SEL] */
- setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK);
-
- setup_iomux_enet();
-
- return cpu_eth_init(bis);
-}
-#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 checkboard(void)
-{
- puts("Board: Hummingboard\n");
-
- return 0;
-}
projects / karo-tx-uboot.git / blobdiff