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0963060c MW |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * Copyright (C) 2018 Collabora Ltd. | |
4 | * | |
5 | * Based on board/ccv/xpress/xpress.c: | |
6 | * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de> | |
7 | */ | |
8 | ||
9 | #include <asm/arch/clock.h> | |
10 | #include <asm/arch/crm_regs.h> | |
11 | #include <asm/arch/mx6-pins.h> | |
12 | #include <asm/arch/sys_proto.h> | |
13 | #include <asm/mach-imx/iomux-v3.h> | |
14 | #include <asm/mach-imx/mxc_i2c.h> | |
e37ac717 | 15 | #include <fsl_esdhc_imx.h> |
0963060c MW |
16 | #include <linux/bitops.h> |
17 | #include <miiphy.h> | |
18 | #include <netdev.h> | |
19 | #include <usb.h> | |
20 | #include <usb/ehci-ci.h> | |
21 | ||
22 | DECLARE_GLOBAL_DATA_PTR; | |
23 | ||
24 | int dram_init(void) | |
25 | { | |
26 | gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); | |
27 | ||
28 | return 0; | |
29 | } | |
30 | ||
31 | #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ | |
32 | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ | |
33 | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | \ | |
34 | PAD_CTL_HYS) | |
35 | ||
36 | static iomux_v3_cfg_t const uart1_pads[] = { | |
37 | MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), | |
38 | MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), | |
39 | }; | |
40 | ||
41 | static iomux_v3_cfg_t const uart5_pads[] = { | |
42 | MX6_PAD_UART5_TX_DATA__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), | |
43 | MX6_PAD_UART5_RX_DATA__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), | |
44 | MX6_PAD_GPIO1_IO09__UART5_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL), | |
45 | MX6_PAD_GPIO1_IO08__UART5_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL), | |
46 | }; | |
47 | ||
48 | static void setup_iomux_uart(void) | |
49 | { | |
50 | imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); | |
51 | imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); | |
52 | } | |
53 | ||
54 | #ifdef CONFIG_NAND_MXS | |
55 | ||
56 | #define NAND_PAD_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) | |
57 | ||
58 | #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_PUS_22K_UP) | |
59 | ||
60 | #define NANDREADYPC MUX_PAD_CTRL(NAND_PAD_READY0_CTRL) | |
61 | ||
62 | static iomux_v3_cfg_t const gpmi_pads[] = { | |
63 | MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
64 | MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
65 | MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
66 | MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
67 | MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
68 | MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
69 | MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
70 | MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
71 | MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
72 | MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
73 | MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
74 | MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
75 | MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL), | |
76 | MX6_PAD_NAND_READY_B__RAWNAND_READY_B | NANDREADYPC, | |
77 | }; | |
78 | ||
79 | static void setup_gpmi_nand(void) | |
80 | { | |
81 | imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); | |
82 | ||
83 | setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) | | |
84 | (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET)); | |
85 | } | |
86 | ||
87 | #endif /* CONFIG_NAND_MXS */ | |
88 | ||
89 | #ifdef CONFIG_FEC_MXC | |
90 | ||
91 | #define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) | |
92 | ||
93 | #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ | |
94 | PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | \ | |
95 | PAD_CTL_SRE_FAST) | |
96 | ||
97 | #define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ | |
98 | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | \ | |
99 | PAD_CTL_ODE) | |
100 | ||
101 | static iomux_v3_cfg_t const fec1_pads[] = { | |
102 | MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), | |
103 | MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
104 | MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
105 | MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
106 | MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
107 | MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), | |
108 | MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
109 | MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
110 | MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
111 | MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
112 | }; | |
113 | ||
114 | static iomux_v3_cfg_t const fec2_pads[] = { | |
115 | MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
116 | MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
117 | MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
118 | MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), | |
119 | MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
120 | MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
121 | MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
122 | MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), | |
123 | }; | |
124 | ||
125 | static void setup_iomux_fec(void) | |
126 | { | |
127 | imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); | |
128 | imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads)); | |
129 | } | |
130 | ||
131 | static int setup_fec(void) | |
132 | { | |
133 | struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; | |
134 | int ret; | |
135 | ||
136 | /* | |
137 | * Use 50M anatop loopback REF_CLK1 for ENET1, | |
138 | * clear gpr1[13], set gpr1[17]. | |
139 | */ | |
140 | clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, | |
141 | IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); | |
142 | ||
143 | ret = enable_fec_anatop_clock(0, ENET_50MHZ); | |
144 | if (ret) | |
145 | return ret; | |
146 | ||
147 | /* | |
148 | * Use 50M anatop loopback REF_CLK2 for ENET2, | |
149 | * clear gpr1[14], set gpr1[18]. | |
150 | */ | |
151 | clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, | |
152 | IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK); | |
153 | ||
154 | ret = enable_fec_anatop_clock(1, ENET_50MHZ); | |
155 | if (ret) | |
156 | return ret; | |
157 | ||
158 | enable_enet_clk(1); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
163 | int board_phy_config(struct phy_device *phydev) | |
164 | { | |
165 | /* | |
166 | * Defaults + Enable status LEDs (LED1: Activity, LED0: Link) & select | |
167 | * 50 MHz RMII clock mode. | |
168 | */ | |
169 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190); | |
170 | ||
171 | if (phydev->drv->config) | |
172 | phydev->drv->config(phydev); | |
173 | ||
174 | return 0; | |
175 | } | |
176 | #endif /* CONFIG_FEC_MXC */ | |
177 | ||
178 | int board_early_init_f(void) | |
179 | { | |
180 | setup_iomux_uart(); | |
181 | setup_iomux_fec(); | |
182 | ||
183 | return 0; | |
184 | } | |
185 | ||
186 | int board_init(void) | |
187 | { | |
188 | /* Address of boot parameters */ | |
189 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
190 | ||
191 | #ifdef CONFIG_NAND_MXS | |
192 | setup_gpmi_nand(); | |
193 | #endif | |
194 | ||
195 | #ifdef CONFIG_FEC_MXC | |
196 | setup_fec(); | |
197 | #endif | |
198 | return 0; | |
199 | } | |
200 | ||
201 | int checkboard(void) | |
202 | { | |
d2d11918 PN |
203 | u32 cpurev = get_cpu_rev(); |
204 | ||
205 | printf("Board: PHYTEC phyCORE-i.MX%s\n", | |
206 | get_imx_type((cpurev & 0xFF000) >> 12)); | |
0963060c MW |
207 | |
208 | return 0; | |
209 | } |