| /* |
| * Copyright (C) 2013 Stefan Roese <sr@denx.de> |
| * |
| * 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/mx6q_pins.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/gpio.h> |
| #include <asm/imx-common/iomux-v3.h> |
| #include <asm/imx-common/mxc_i2c.h> |
| #include <asm/imx-common/boot_mode.h> |
| #include <mmc.h> |
| #include <fsl_esdhc.h> |
| #include <micrel.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) |
| |
| #define SPI_PAD_CTRL (PAD_CTL_HYS | \ |
| PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) |
| |
| #define BUTTON_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_HYS) |
| |
| #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ |
| PAD_CTL_ODE | PAD_CTL_SRE_FAST) |
| |
| 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[] = { |
| MX6_PAD_SD3_DAT6__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_SD3_DAT7__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| iomux_v3_cfg_t const uart2_pads[] = { |
| MX6_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| iomux_v3_cfg_t const uart4_pads[] = { |
| MX6_PAD_CSI0_DAT12__UART4_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_CSI0_DAT13__UART4_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) |
| |
| struct i2c_pads_info i2c_pad_info0 = { |
| .scl = { |
| .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC, |
| .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO_5_27 | PC, |
| .gp = IMX_GPIO_NR(5, 27) |
| }, |
| .sda = { |
| .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC, |
| .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO_5_26 | PC, |
| .gp = IMX_GPIO_NR(5, 26) |
| } |
| }; |
| |
| struct i2c_pads_info i2c_pad_info2 = { |
| .scl = { |
| .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC, |
| .gpio_mode = MX6_PAD_GPIO_3__GPIO_1_3 | PC, |
| .gp = IMX_GPIO_NR(1, 3) |
| }, |
| .sda = { |
| .i2c_mode = MX6_PAD_GPIO_16__I2C3_SDA | PC, |
| .gpio_mode = MX6_PAD_GPIO_16__GPIO_7_11 | PC, |
| .gp = IMX_GPIO_NR(7, 11) |
| } |
| }; |
| |
| iomux_v3_cfg_t const usdhc3_pads[] = { |
| MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD3_DAT5__GPIO_7_0 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ |
| }; |
| |
| iomux_v3_cfg_t const enet_pads1[] = { |
| MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_TXC__ENET_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_TD0__ENET_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_TD1__ENET_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_TD2__ENET_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_TD3__ENET_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| /* pin 35 - 1 (PHY_AD2) on reset */ |
| MX6_PAD_RGMII_RXC__GPIO_6_30 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| /* pin 32 - 1 - (MODE0) all */ |
| MX6_PAD_RGMII_RD0__GPIO_6_25 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| /* pin 31 - 1 - (MODE1) all */ |
| MX6_PAD_RGMII_RD1__GPIO_6_27 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| /* pin 28 - 1 - (MODE2) all */ |
| MX6_PAD_RGMII_RD2__GPIO_6_28 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| /* pin 27 - 1 - (MODE3) all */ |
| MX6_PAD_RGMII_RD3__GPIO_6_29 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| /* pin 33 - 1 - (CLK125_EN) 125Mhz clockout enabled */ |
| MX6_PAD_RGMII_RX_CTL__GPIO_6_24 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| /* pin 42 PHY nRST */ |
| MX6_PAD_EIM_D23__GPIO_3_23 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| iomux_v3_cfg_t const enet_pads2[] = { |
| MX6_PAD_RGMII_RXC__ENET_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_RD0__ENET_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_RD1__ENET_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_RD2__ENET_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_RD3__ENET_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| }; |
| |
| iomux_v3_cfg_t nfc_pads[] = { |
| MX6_PAD_NANDF_CLE__RAWNAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_ALE__RAWNAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_WP_B__RAWNAND_RESETN | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_RB0__RAWNAND_READY0 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_CS0__RAWNAND_CE0N | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_CS1__RAWNAND_CE1N | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_CS2__RAWNAND_CE2N | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_CS3__RAWNAND_CE3N | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_SD4_CMD__RAWNAND_RDN | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_SD4_CLK__RAWNAND_WRN | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D0__RAWNAND_D0 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D1__RAWNAND_D1 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D2__RAWNAND_D2 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D3__RAWNAND_D3 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D4__RAWNAND_D4 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D5__RAWNAND_D5 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D6__RAWNAND_D6 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_NANDF_D7__RAWNAND_D7 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_SD4_DAT0__RAWNAND_DQS | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| static void setup_gpmi_nand(void) |
| { |
| struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; |
| |
| /* config gpmi nand iomux */ |
| imx_iomux_v3_setup_multiple_pads(nfc_pads, |
| ARRAY_SIZE(nfc_pads)); |
| |
| /* config gpmi and bch clock to 100 MHz */ |
| clrsetbits_le32(&mxc_ccm->cs2cdr, |
| MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK | |
| MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK | |
| MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK, |
| MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) | |
| MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) | |
| MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)); |
| |
| /* enable gpmi and bch clock gating */ |
| setbits_le32(&mxc_ccm->CCGR4, |
| MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | |
| MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | |
| MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | |
| MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | |
| MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET); |
| |
| /* enable apbh clock gating */ |
| setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); |
| } |
| |
| static void setup_iomux_enet(void) |
| { |
| gpio_direction_output(IMX_GPIO_NR(3, 23), 0); |
| gpio_direction_output(IMX_GPIO_NR(6, 30), 1); |
| gpio_direction_output(IMX_GPIO_NR(6, 25), 1); |
| gpio_direction_output(IMX_GPIO_NR(6, 27), 1); |
| gpio_direction_output(IMX_GPIO_NR(6, 28), 1); |
| gpio_direction_output(IMX_GPIO_NR(6, 29), 1); |
| imx_iomux_v3_setup_multiple_pads(enet_pads1, ARRAY_SIZE(enet_pads1)); |
| gpio_direction_output(IMX_GPIO_NR(6, 24), 1); |
| |
| /* Need delay 10ms according to KSZ9021 spec */ |
| udelay(1000 * 10); |
| gpio_set_value(IMX_GPIO_NR(3, 23), 1); |
| |
| imx_iomux_v3_setup_multiple_pads(enet_pads2, ARRAY_SIZE(enet_pads2)); |
| } |
| |
| static void setup_iomux_uart(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); |
| imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); |
| imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); |
| } |
| |
| #ifdef CONFIG_USB_EHCI_MX6 |
| int board_ehci_hcd_init(int port) |
| { |
| return 0; |
| } |
| |
| #endif |
| |
| #ifdef CONFIG_FSL_ESDHC |
| struct fsl_esdhc_cfg usdhc_cfg[1] = { |
| { USDHC3_BASE_ADDR }, |
| }; |
| |
| int board_mmc_getcd(struct mmc *mmc) |
| { |
| struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; |
| |
| if (cfg->esdhc_base == USDHC3_BASE_ADDR) { |
| gpio_direction_input(IMX_GPIO_NR(7, 0)); |
| return !gpio_get_value(IMX_GPIO_NR(7, 0)); |
| } |
| |
| return 0; |
| } |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| /* |
| * Only one USDHC controller on titianium |
| */ |
| imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
| |
| return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); |
| } |
| #endif |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| /* min rx data delay */ |
| ksz9021_phy_extended_write(phydev, |
| MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x0); |
| /* min tx data delay */ |
| ksz9021_phy_extended_write(phydev, |
| MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x0); |
| /* max rx/tx clock delay, min rx/tx control */ |
| ksz9021_phy_extended_write(phydev, |
| MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf0f0); |
| 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; |
| } |
| |
| 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; |
| |
| setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); |
| setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); |
| |
| setup_gpmi_nand(); |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: Titanium\n"); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_CMD_BMODE |
| static const struct boot_mode board_boot_modes[] = { |
| /* NAND */ |
| { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) }, |
| /* 4 bit bus width */ |
| { "mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00) }, |
| { "mmc1", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00) }, |
| { NULL, 0 }, |
| }; |
| #endif |
| |
| int misc_init_r(void) |
| { |
| #ifdef CONFIG_CMD_BMODE |
| add_board_boot_modes(board_boot_modes); |
| #endif |
| |
| return 0; |
| } |