From c2cde27d58cfa0b09b8ed4577fa313fdfaa57660 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Mon, 4 Nov 2013 08:35:28 +0100 Subject: mx6: titanium: Move BSP code to barco board directory Since the titanium board is not a Freescale board, move its BSP code from the freescale board directory to the newly created barco board directory. Signed-off-by: Stefan Roese Cc: Peter Korsgaard Cc: Stefano Babic Acked-by: Peter Korsgaard --- board/barco/titanium/titanium.c | 323 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 board/barco/titanium/titanium.c (limited to 'board/barco/titanium/titanium.c') diff --git a/board/barco/titanium/titanium.c b/board/barco/titanium/titanium.c new file mode 100644 index 0000000..9a317bc --- /dev/null +++ b/board/barco/titanium/titanium.c @@ -0,0 +1,323 @@ +/* + * Copyright (C) 2013 Stefan Roese + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define I2C_PAD_CTRL (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 ret; +} + +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; +} -- cgit v1.1