1 /*
2  * Freescale MX23EVK Boot setup
3  *
4  * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
5  * on behalf of DENX Software Engineering GmbH
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  */
20 
21 #include <common.h>
22 #include <config.h>
23 #include <asm/io.h>
24 #include <asm/arch/iomux-mx23.h>
25 #include <asm/arch/imx-regs.h>
26 #include <asm/arch/sys_proto.h>
27 
28 #define	MUX_CONFIG_SSP1	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
29 #define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_16MA | MXS_PAD_PULLUP)
30 
31 const iomux_cfg_t iomux_setup[] = {
32 	/* DUART */
33 	MX23_PAD_PWM0__DUART_RX,
34 	MX23_PAD_PWM1__DUART_TX,
35 
36 	/* EMI */
37 	MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI,
38 	MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI,
39 	MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI,
40 	MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI,
41 	MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI,
42 	MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI,
43 	MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI,
44 	MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI,
45 	MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI,
46 	MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI,
47 	MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI,
48 	MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI,
49 	MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI,
50 	MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI,
51 	MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI,
52 	MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI,
53 	MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
54 	MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
55 	MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
56 	MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
57 	MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
58 	MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI,
59 
60 	MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI,
61 	MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI,
62 	MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI,
63 	MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI,
64 	MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI,
65 	MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI,
66 	MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI,
67 	MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI,
68 	MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI,
69 	MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI,
70 	MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI,
71 	MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI,
72 	MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI,
73 	MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
74 	MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
75 
76 	MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
77 	MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
78 	MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
79 	MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
80 	MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
81 	MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
82 
83 	/* MMC 0 */
84 	MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP1,
85 	MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP1,
86 	MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP1,
87 	MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP1,
88 	MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP1,
89 	MX23_PAD_SSP1_DETECT__SSP1_DETECT | MUX_CONFIG_SSP1,
90 		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
91 	MX23_PAD_SSP1_SCK__SSP1_SCK |
92 		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
93 	/* Write Protect Pin */
94 	MX23_PAD_PWM4__GPIO_1_30 |
95 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
96 	/* Slot Power Enable */
97 	MX23_PAD_PWM3__GPIO_1_29 |
98 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
99 };
100 
101 void board_init_ll(void)
102 {
103 	mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
104 }
105