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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> | |
1221ce45 | 15 | #include <linux/errno.h> |
058d2316 BB |
16 | #include <asm/gpio.h> |
17 | #include <asm/imx-common/iomux-v3.h> | |
18 | #include <asm/imx-common/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/imx-common/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 | } |