1 /* 2 * Copyright (C) 2013 Freescale Semiconductor, Inc. 3 * Copyright (C) 2015 ECA Sinters 4 * 5 * Author: Fabio Estevam <fabio.estevam@freescale.com> 6 * Modified by: Boris Brezillon <boris.brezillon@free-electrons.com> 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #include <asm/arch/clock.h> 12 #include <asm/arch/imx-regs.h> 13 #include <asm/arch/iomux.h> 14 #include <asm/arch/mx6-pins.h> 15 #include <linux/errno.h> 16 #include <asm/gpio.h> 17 #include <asm/mach-imx/iomux-v3.h> 18 #include <asm/mach-imx/boot_mode.h> 19 #include <mmc.h> 20 #include <fsl_esdhc.h> 21 #include <miiphy.h> 22 #include <netdev.h> 23 #include <asm/arch/mxc_hdmi.h> 24 #include <asm/arch/crm_regs.h> 25 #include <linux/fb.h> 26 #include <ipu_pixfmt.h> 27 #include <asm/io.h> 28 #include <asm/arch/sys_proto.h> 29 #include <micrel.h> 30 #include <asm/mach-imx/mxc_i2c.h> 31 #include <i2c.h> 32 33 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 34 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 35 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 36 37 static iomux_v3_cfg_t const uart2_pads[] = { 38 MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 39 MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 40 }; 41 42 void seco_mx6_setup_uart_iomux(void) 43 { 44 imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); 45 } 46 47 #define ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ 48 PAD_CTL_SPEED_MED | \ 49 PAD_CTL_DSE_40ohm | \ 50 PAD_CTL_HYS) 51 52 static iomux_v3_cfg_t const enet_pads[] = { 53 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), 54 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), 55 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 56 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 57 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 58 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 59 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 60 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 61 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), 62 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 63 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 64 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 65 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 66 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 67 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 68 }; 69 70 void seco_mx6_setup_enet_iomux(void) 71 { 72 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); 73 } 74 75 int seco_mx6_rgmii_rework(struct phy_device *phydev) 76 { 77 /* control data pad skew - devaddr = 0x02, register = 0x04 */ 78 ksz9031_phy_extended_write(phydev, 0x02, 79 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, 80 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); 81 /* rx data pad skew - devaddr = 0x02, register = 0x05 */ 82 ksz9031_phy_extended_write(phydev, 0x02, 83 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, 84 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); 85 /* tx data pad skew - devaddr = 0x02, register = 0x05 */ 86 ksz9031_phy_extended_write(phydev, 0x02, 87 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, 88 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); 89 90 /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */ 91 ksz9031_phy_extended_write(phydev, 0x02, 92 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, 93 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF); 94 return 0; 95 } 96 97 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ 98 PAD_CTL_SPEED_LOW | \ 99 PAD_CTL_DSE_80ohm | \ 100 PAD_CTL_SRE_FAST | \ 101 PAD_CTL_HYS) 102 103 static iomux_v3_cfg_t const usdhc3_pads[] = { 104 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 105 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 106 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 107 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 108 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 109 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 110 }; 111 112 static iomux_v3_cfg_t const usdhc4_pads[] = { 113 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 114 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 115 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 116 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 117 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 118 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 119 }; 120 121 void seco_mx6_setup_usdhc_iomux(int id) 122 { 123 switch (id) { 124 case 3: 125 imx_iomux_v3_setup_multiple_pads(usdhc3_pads, 126 ARRAY_SIZE(usdhc3_pads)); 127 break; 128 129 case 4: 130 imx_iomux_v3_setup_multiple_pads(usdhc4_pads, 131 ARRAY_SIZE(usdhc4_pads)); 132 break; 133 134 default: 135 printf("Warning: invalid usdhc id (%d)\n", id); 136 break; 137 } 138 } 139