board: tqc: tqma6_mba6: switch to device model
authorMichael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
Thu, 9 Apr 2020 13:21:42 +0000 (15:21 +0200)
committerStefano Babic <sbabic@denx.de>
Fri, 17 Apr 2020 16:58:39 +0000 (18:58 +0200)
Ethernet, usdhc2 and i2c1 interfaces are probed by dm drivers.
Therefor init functions in board file are not necessary.

Signed-off-by: Michael Krummsdorf <michael.krummsdorf@ew.tq-group.com>
board/tqc/tqma6/tqma6_mba6.c

index 154ea0e..a5b7587 100644 (file)
 
 #endif
 
-#define ENET_RX_PAD_CTRL       (PAD_CTL_DSE_34ohm)
-#define ENET_TX_PAD_CTRL       (PAD_CTL_PUS_100K_UP | PAD_CTL_DSE_34ohm)
-#define ENET_CLK_PAD_CTRL      (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_HIGH | \
-                                PAD_CTL_DSE_34ohm)
-#define ENET_MDIO_PAD_CTRL     (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
-                                PAD_CTL_DSE_60ohm)
-
 /* disable on die termination for RGMII */
 #define IOMUX_SW_PAD_CTRL_GRP_RGMII_TERM_DISABLE       0x00000000
 /* optimised drive strength for 1.0 .. 1.3 V signal on RGMII */
 /* optimised drive strength for 1.3 .. 2.5 V signal on RGMII */
 #define IOMUX_SW_PAD_CTRL_GRP_DDR_TYPE_RGMII_1P5V      0x000C0000
 
-#define ENET_PHY_RESET_GPIO IMX_GPIO_NR(1, 25)
-
-static iomux_v3_cfg_t const mba6_enet_pads[] = {
-       NEW_PAD_CTRL(MX6_PAD_ENET_MDIO__ENET_MDIO,      ENET_MDIO_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_ENET_MDC__ENET_MDC,        ENET_MDIO_PAD_CTRL),
-
-       NEW_PAD_CTRL(MX6_PAD_RGMII_TXC__RGMII_TXC,      ENET_TX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_TD0__RGMII_TD0,      ENET_TX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_TD1__RGMII_TD1,      ENET_TX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_TD2__RGMII_TD2,      ENET_TX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_TD3__RGMII_TD3,      ENET_TX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL,
-                    ENET_TX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_ENET_REF_CLK__ENET_TX_CLK, ENET_CLK_PAD_CTRL),
-       /*
-        * these pins are also used for config strapping by phy
-        */
-       NEW_PAD_CTRL(MX6_PAD_RGMII_RD0__RGMII_RD0,      ENET_RX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_RD1__RGMII_RD1,      ENET_RX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_RD2__RGMII_RD2,      ENET_RX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_RD3__RGMII_RD3,      ENET_RX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_RXC__RGMII_RXC,      ENET_RX_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL,
-                    ENET_RX_PAD_CTRL),
-       /* KSZ9031 PHY Reset */
-       NEW_PAD_CTRL(MX6_PAD_ENET_CRS_DV__GPIO1_IO25,   GPIO_OUT_PAD_CTRL),
-};
-
 static void mba6_setup_iomuxc_enet(void)
 {
        struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
@@ -121,22 +86,6 @@ static void mba6_setup_iomuxc_enet(void)
                     (void *)IOMUX_SW_PAD_CTRL_GRP_RGMII_TERM);
        __raw_writel(IOMUX_SW_PAD_CTRL_GRP_DDR_TYPE_RGMII_1P5V,
                     (void *)IOMUX_SW_PAD_CTRL_GRP_DDR_TYPE_RGMII);
-
-       imx_iomux_v3_setup_multiple_pads(mba6_enet_pads,
-                                        ARRAY_SIZE(mba6_enet_pads));
-
-       /* Reset PHY */
-       gpio_direction_output(ENET_PHY_RESET_GPIO , 0);
-       /* Need delay 10ms after power on according to KSZ9031 spec */
-       mdelay(10);
-       gpio_set_value(ENET_PHY_RESET_GPIO, 1);
-       /*
-        * KSZ9031 manual: 100 usec wait time after reset before communication
-        * over MDIO
-        * BUGBUG: hardware has an RC const that needs > 10 msec from 0->1 on
-        * reset before the phy sees a high level
-        */
-       mdelay(15);
 }
 
 static iomux_v3_cfg_t const mba6_uart2_pads[] = {
@@ -150,91 +99,14 @@ static void mba6_setup_iomuxc_uart(void)
                                         ARRAY_SIZE(mba6_uart2_pads));
 }
 
-#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
-#define USDHC2_WP_GPIO IMX_GPIO_NR(1, 2)
-
-int tqma6_bb_board_mmc_getcd(struct mmc *mmc)
-{
-       struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
-       int ret = 0;
-
-       if (cfg->esdhc_base == USDHC2_BASE_ADDR)
-               ret = !gpio_get_value(USDHC2_CD_GPIO);
-
-       return ret;
-}
-
-int tqma6_bb_board_mmc_getwp(struct mmc *mmc)
-{
-       struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
-       int ret = 0;
-
-       if (cfg->esdhc_base == USDHC2_BASE_ADDR)
-               ret = gpio_get_value(USDHC2_WP_GPIO);
-
-       return ret;
-}
-
-static struct fsl_esdhc_cfg mba6_usdhc_cfg = {
-       .esdhc_base = USDHC2_BASE_ADDR,
-       .max_bus_width = 4,
-};
-
-static iomux_v3_cfg_t const mba6_usdhc2_pads[] = {
-       NEW_PAD_CTRL(MX6_PAD_SD2_CLK__SD2_CLK,          USDHC_CLK_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_SD2_CMD__SD2_CMD,          USDHC_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_SD2_DAT0__SD2_DATA0,       USDHC_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_SD2_DAT1__SD2_DATA1,       USDHC_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_SD2_DAT2__SD2_DATA2,       USDHC_PAD_CTRL),
-       NEW_PAD_CTRL(MX6_PAD_SD2_DAT3__SD2_DATA3,       USDHC_PAD_CTRL),
-       /* CD */
-       NEW_PAD_CTRL(MX6_PAD_GPIO_4__GPIO1_IO04,        GPIO_IN_PAD_CTRL),
-       /* WP */
-       NEW_PAD_CTRL(MX6_PAD_GPIO_2__GPIO1_IO02,        GPIO_IN_PAD_CTRL),
-};
-
-int tqma6_bb_board_mmc_init(bd_t *bis)
-{
-       imx_iomux_v3_setup_multiple_pads(mba6_usdhc2_pads,
-                                        ARRAY_SIZE(mba6_usdhc2_pads));
-       gpio_direction_input(USDHC2_CD_GPIO);
-       gpio_direction_input(USDHC2_WP_GPIO);
-
-       mba6_usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
-       if (fsl_esdhc_initialize(bis, &mba6_usdhc_cfg))
-               puts("Warning: failed to initialize SD\n");
-
-       return 0;
-}
-
-static struct i2c_pads_info mba6_i2c1_pads = {
-/* I2C1: MBa6x */
-       .scl = {
-               .i2c_mode = NEW_PAD_CTRL(MX6_PAD_CSI0_DAT9__I2C1_SCL,
-                                        I2C_PAD_CTRL),
-               .gpio_mode = NEW_PAD_CTRL(MX6_PAD_CSI0_DAT9__GPIO5_IO27,
-                                         I2C_PAD_CTRL),
-               .gp = IMX_GPIO_NR(5, 27)
-       },
-       .sda = {
-               .i2c_mode = NEW_PAD_CTRL(MX6_PAD_CSI0_DAT8__I2C1_SDA,
-                                        I2C_PAD_CTRL),
-               .gpio_mode = NEW_PAD_CTRL(MX6_PAD_CSI0_DAT8__GPIO5_IO26,
-                                         I2C_PAD_CTRL),
-               .gp = IMX_GPIO_NR(5, 26)
-       }
-};
-
-static void mba6_setup_i2c(void)
+int board_mmc_get_env_dev(int devno)
 {
-       int ret;
        /*
-        * use logical index for bus, e.g. I2C1 -> 0
-        * warn on error
+        * This assumes that the baseboard registered
+        * the boot device first ...
+        * Note: SDHC3 == idx2
         */
-       ret = setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mba6_i2c1_pads);
-       if (ret)
-               printf("setup I2C1 failed: %d\n", ret);
+       return (2 == devno) ? 0 : 1;
 }
 
 int board_phy_config(struct phy_device *phydev)
@@ -284,37 +156,6 @@ int board_phy_config(struct phy_device *phydev)
        return 0;
 }
 
-int board_eth_init(bd_t *bis)
-{
-       uint32_t base = IMX_FEC_BASE;
-       struct mii_dev *bus = NULL;
-       struct phy_device *phydev = NULL;
-       int ret;
-
-       bus = fec_get_miibus(base, -1);
-       if (!bus)
-               return -EINVAL;
-       /* scan phy */
-       phydev = phy_find_by_mask(bus, (0xf << CONFIG_FEC_MXC_PHYADDR),
-                                       PHY_INTERFACE_MODE_RGMII);
-
-       if (!phydev) {
-               ret = -EINVAL;
-               goto free_bus;
-       }
-       ret  = fec_probe(bis, -1, base, bus, phydev);
-       if (ret)
-               goto free_phydev;
-
-       return 0;
-
-free_phydev:
-       free(phydev);
-free_bus:
-       free(bus);
-       return ret;
-}
-
 int tqma6_bb_board_early_init_f(void)
 {
        mba6_setup_iomuxc_uart();
@@ -324,8 +165,6 @@ int tqma6_bb_board_early_init_f(void)
 
 int tqma6_bb_board_init(void)
 {
-       mba6_setup_i2c();
-       /* do it here - to have reset completed */
        mba6_setup_iomuxc_enet();
 
        return 0;