1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * PPC-AG BG0900 Boot setup
4 *
5 * Copyright (C) 2013 Marek Vasut <marex@denx.de>
6 */
7
8 #include <common.h>
9 #include <config.h>
10 #include <asm/io.h>
11 #include <asm/arch/iomux-mx28.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/sys_proto.h>
14
15 #define MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
16 #define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
17 #define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
18 #define MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
19
20 const iomux_cfg_t iomux_setup[] = {
21 /* DUART */
22 MX28_PAD_PWM0__DUART_RX,
23 MX28_PAD_PWM1__DUART_TX,
24
25 /* GPMI NAND */
26 MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI,
27 MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI,
28 MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI,
29 MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI,
30 MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI,
31 MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI,
32 MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI,
33 MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI,
34 MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI,
35 MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI,
36 MX28_PAD_GPMI_RDN__GPMI_RDN |
37 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
38 MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI,
39 MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI,
40 MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI,
41 MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI,
42
43 /* FEC0 */
44 MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
45 MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,
46 MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET,
47 MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET,
48 MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET,
49 MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET,
50 MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET,
51 MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET,
52 MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET,
53
54 /* FEC0 Reset */
55 MX28_PAD_ENET0_RX_CLK__GPIO_4_13 |
56 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
57
58 /* EMI */
59 MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI,
60 MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI,
61 MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI,
62 MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI,
63 MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI,
64 MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI,
65 MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI,
66 MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI,
67 MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI,
68 MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI,
69 MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI,
70 MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI,
71 MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI,
72 MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI,
73 MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI,
74 MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI,
75 MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI,
76 MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
77 MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI,
78 MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
79 MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI,
80 MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
81 MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
82 MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
83 MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI,
84
85 MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI,
86 MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI,
87 MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI,
88 MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI,
89 MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI,
90 MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI,
91 MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI,
92 MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI,
93 MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI,
94 MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI,
95 MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI,
96 MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI,
97 MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI,
98 MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI,
99 MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI,
100 MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
101 MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
102 MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI,
103 MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
104 MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
105 MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
106 MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
107 MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
108 MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
109
110 /* SPI2 (for SPI flash) */
111 MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2,
112 MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2,
113 MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2,
114 MX28_PAD_SSP2_SS0__SSP2_D3 |
115 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
116 };
117
mxs_adjust_memory_params(uint32_t * dram_vals)118 void mxs_adjust_memory_params(uint32_t *dram_vals)
119 {
120 /*
121 * DDR Controller Registers
122 * Manufacturer: Winbond
123 * Device Part Number: W972GG6JB-25I
124 * Clock Freq.: 200MHz
125 * Density: 2Gb
126 * Chip Selects: 1
127 * Number of Banks: 8
128 * Row address: 14
129 * Column address: 10
130 */
131
132 dram_vals[0x74 / 4] = 0x0102010A;
133 dram_vals[0x98 / 4] = 0x04005003;
134 dram_vals[0x9c / 4] = 0x090000c8;
135
136 dram_vals[0xa8 / 4] = 0x0036b009;
137 dram_vals[0xac / 4] = 0x03270612;
138
139 dram_vals[0xb0 / 4] = 0x02020202;
140 dram_vals[0xb4 / 4] = 0x00c80029;
141
142 dram_vals[0xc0 / 4] = 0x00011900;
143
144 dram_vals[0x12c / 4] = 0x07400300;
145 dram_vals[0x130 / 4] = 0x07400300;
146 dram_vals[0x2c4 / 4] = 0x02030303;
147 }
148
board_init_ll(const uint32_t arg,const uint32_t * resptr)149 void board_init_ll(const uint32_t arg, const uint32_t *resptr)
150 {
151 mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup));
152 }
153