Gitiles
Code Review Sign In
gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 7a30873585c9da2221f652c091bab5e66d5d6653 / . / board / seco / common / mx6.c
blob: 51832b9d082fbb7a8aad22c67c61ba471efc29e9 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
Boris BREZILLON058d2312015-03-04 13:13:05 +0100[diff] [blame]2/*
3 * Copyright (C) 2013 Freescale Semiconductor, Inc.
4 * Copyright (C) 2015 ECA Sinters
5 *
6 * Author: Fabio Estevam <fabio.estevam@freescale.com>
7 * Modified by: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris BREZILLON058d2312015-03-04 13:13:05 +0100[diff] [blame]8 */
9
10#include <asm/arch/clock.h>
11#include <asm/arch/imx-regs.h>
12#include <asm/arch/iomux.h>
13#include <asm/arch/mx6-pins.h>
Masahiro Yamada1221ce42016-09-21 11:28:55 +0900[diff] [blame]14#include <linux/errno.h>
Boris BREZILLON058d2312015-03-04 13:13:05 +0100[diff] [blame]15#include <asm/gpio.h>
Stefano Babic552a8482017-06-29 10:16:06 +0200[diff] [blame]16#include <asm/mach-imx/iomux-v3.h>
17#include <asm/mach-imx/boot_mode.h>
Boris BREZILLON058d2312015-03-04 13:13:05 +0100[diff] [blame]18#include <mmc.h>
Yangbo Lue37ac712019-06-21 11:42:28 +0800[diff] [blame]19#include <fsl_esdhc_imx.h>
Boris BREZILLON058d2312015-03-04 13:13:05 +0100[diff] [blame]20#include <miiphy.h>
21#include <netdev.h>
22#include <asm/arch/mxc_hdmi.h>
23#include <asm/arch/crm_regs.h>
24#include <linux/fb.h>
25#include <ipu_pixfmt.h>
26#include <asm/io.h>
27#include <asm/arch/sys_proto.h>
28#include <micrel.h>
Stefano Babic552a8482017-06-29 10:16:06 +0200[diff] [blame]29#include <asm/mach-imx/mxc_i2c.h>
Boris BREZILLON058d2312015-03-04 13:13:05 +0100[diff] [blame]30#include <i2c.h>
31
32#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
33 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
34 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
35
36static iomux_v3_cfg_t const uart2_pads[] = {
37 MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
38 MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
39};
40
41void seco_mx6_setup_uart_iomux(void)
42{
43 imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
44}
45
46#define ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
47 PAD_CTL_SPEED_MED | \
48 PAD_CTL_DSE_40ohm | \
49 PAD_CTL_HYS)
50
51static iomux_v3_cfg_t const enet_pads[] = {
52 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
53 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
54 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
55 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
56 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
57 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
58 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
59 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
60 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
61 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
62 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
63 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
64 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
65 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
66 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
67};
68
69void seco_mx6_setup_enet_iomux(void)
70{
71 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
72}
73
74int seco_mx6_rgmii_rework(struct phy_device *phydev)
75{
76 /* control data pad skew - devaddr = 0x02, register = 0x04 */
77 ksz9031_phy_extended_write(phydev, 0x02,
78 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
79 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
80 /* rx data pad skew - devaddr = 0x02, register = 0x05 */
81 ksz9031_phy_extended_write(phydev, 0x02,
82 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
83 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
84 /* tx data pad skew - devaddr = 0x02, register = 0x05 */
85 ksz9031_phy_extended_write(phydev, 0x02,
86 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
87 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
88
89 /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */
90 ksz9031_phy_extended_write(phydev, 0x02,
91 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
92 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF);
93 return 0;
94}
95
96#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
97 PAD_CTL_SPEED_LOW | \
98 PAD_CTL_DSE_80ohm | \
99 PAD_CTL_SRE_FAST | \
100 PAD_CTL_HYS)
101
102static iomux_v3_cfg_t const usdhc3_pads[] = {
103 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
104 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
105 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
106 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
107 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
108 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
109};
110
111static iomux_v3_cfg_t const usdhc4_pads[] = {
112 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
113 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
114 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
115 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
116 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
117 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
118};
119
120void seco_mx6_setup_usdhc_iomux(int id)
121{
122 switch (id) {
123 case 3:
124 imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
125 ARRAY_SIZE(usdhc3_pads));
126 break;
127
128 case 4:
129 imx_iomux_v3_setup_multiple_pads(usdhc4_pads,
130 ARRAY_SIZE(usdhc4_pads));
131 break;
132
133 default:
134 printf("Warning: invalid usdhc id (%d)\n", id);
135 break;
136 }
137}