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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 9c471142bc6c5aa01532ba85ead8509bbf2eb153 / . / board / bluegiga / apx4devkit / spl_boot.c
blob: 53e20da3aaf641d063cbec014f51d6d64a1bc0c5 [file] [log] [blame]
Veli-Pekka Peltolac1393bb2012-07-09 03:14:50 +0000[diff] [blame]1/*
2 * Bluegiga APX4 Development Kit
3 *
4 * Copyright (C) 2012 Bluegiga Technologies Oy
5 *
6 * Authors:
7 * Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
8 * Lauri Hintsala <lauri.hintsala@bluegiga.com>
9 *
10 * Based on spl_boot.c:
11 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
12 * on behalf of DENX Software Engineering GmbH
13 *
14 * See file CREDITS for list of people who contributed to this
15 * project.
16 *
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License as
19 * published by the Free Software Foundation; either version 2 of
20 * the License, or (at your option) any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 */
27
28#include <common.h>
29#include <config.h>
30#include <asm/gpio.h>
31#include <asm/io.h>
32#include <asm/arch/iomux-mx28.h>
33#include <asm/arch/imx-regs.h>
34#include <asm/arch/sys_proto.h>
35
36#define MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
37#define MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
38#define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
39#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
40
41const iomux_cfg_t iomux_setup[] = {
42 /* DUART */
43 MX28_PAD_PWM0__DUART_RX,
44 MX28_PAD_PWM1__DUART_TX,
45
46 /* LED */
47 MX28_PAD_PWM3__GPIO_3_28,
48
49 /* MMC0 */
50 MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0,
51 MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0,
52 MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0,
53 MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0,
54 MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0,
55 MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
56 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_NOPULL),
57 MX28_PAD_SSP0_SCK__SSP0_SCK |
58 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
59
60 /* GPMI NAND */
61 MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI,
62 MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI,
63 MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI,
64 MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI,
65 MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI,
66 MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI,
67 MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI,
68 MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI,
69 MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI,
70 MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI,
71 MX28_PAD_GPMI_RDN__GPMI_RDN |
72 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
73 MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI,
74 MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI,
75 MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI,
76 MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI,
77
78 /* FEC0 */
79 MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
80 MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,
81 MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET,
82 MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET,
83 MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET,
84 MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET,
85 MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET,
86 MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET,
87 MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET,
88
89 /* I2C */
90 MX28_PAD_I2C0_SCL__I2C0_SCL,
91 MX28_PAD_I2C0_SDA__I2C0_SDA,
92
93 /* EMI */
94 MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI,
95 MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI,
96 MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI,
97 MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI,
98 MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI,
99 MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI,
100 MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI,
101 MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI,
102 MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI,
103 MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI,
104 MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI,
105 MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI,
106 MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI,
107 MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI,
108 MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI,
109 MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI,
110 MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI,
111 MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
112 MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI,
113 MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
114 MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI,
115 MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
116 MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
117 MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
118 MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI,
119
120 MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI,
121 MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI,
122 MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI,
123 MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI,
124 MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI,
125 MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI,
126 MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI,
127 MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI,
128 MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI,
129 MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI,
130 MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI,
131 MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI,
132 MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI,
133 MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI,
134 MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI,
135 MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
136 MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
137 MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI,
138 MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
139 MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
140 MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
141 MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
142 MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
143 MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
144};
145
146void board_init_ll(void)
147{
148 mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
149
150 /* switch LED on */
151 gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0);
152}
153
154void mx28_adjust_memory_params(uint32_t *dram_vals)
155{
156 /*
157 * All address lines are routed from CPU to memory chip.
158 * ADDR_PINS field is set to zero.
159 */
160 dram_vals[0x74 >> 2] = 0x0f02000a;
161
162 /* Used memory has 4 banks. EIGHT_BANK_MODE bit is disabled. */
163 dram_vals[0x7c >> 2] = 0x00000101;
164}