imx: Add titanium board support (i.MX6 based)
Titanium is a i.MX6 based board from ProjectionDesign / Barco. This
patch adds support for this board with the newly introduced NAND
support for i.MX6.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/board/freescale/titanium/titanium.c b/board/freescale/titanium/titanium.c
new file mode 100644
index 0000000..894ebae
--- /dev/null
+++ b/board/freescale/titanium/titanium.c
@@ -0,0 +1,346 @@
+/*
+ * 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;
+}