1 /*
2  * Olimex MX23 Olinuxino Boot setup
3  *
4  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #include <config.h>
27 #include <asm/io.h>
28 #include <asm/arch/iomux-mx23.h>
29 #include <asm/arch/imx-regs.h>
30 #include <asm/arch/sys_proto.h>
31 
32 #define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
33 #define	MUX_CONFIG_SSP	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
34 
35 const iomux_cfg_t iomux_setup[] = {
36 	/* DUART */
37 	MX23_PAD_PWM0__DUART_RX,
38 	MX23_PAD_PWM1__DUART_TX,
39 
40 	/* EMI */
41 	MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI,
42 	MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI,
43 	MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI,
44 	MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI,
45 	MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI,
46 	MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI,
47 	MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI,
48 	MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI,
49 	MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI,
50 	MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI,
51 	MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI,
52 	MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI,
53 	MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI,
54 	MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI,
55 	MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI,
56 	MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI,
57 	MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
58 	MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
59 	MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
60 	MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
61 	MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
62 	MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI,
63 
64 	MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI,
65 	MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI,
66 	MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI,
67 	MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI,
68 	MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI,
69 	MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI,
70 	MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI,
71 	MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI,
72 	MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI,
73 	MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI,
74 	MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI,
75 	MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI,
76 	MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI,
77 	MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
78 	MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
79 
80 	MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
81 	MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
82 	MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
83 	MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
84 	MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
85 	MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
86 
87 	/* Green LED */
88 	MX23_PAD_SSP1_DETECT__GPIO_2_1 |
89 		(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL),
90 
91 	/* MMC 0 */
92 	MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP,
93 	MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP,
94 	MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP,
95 	MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP,
96 	MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP,
97 	MX23_PAD_SSP1_SCK__SSP1_SCK | MUX_CONFIG_SSP,
98 
99 	/* Ethernet */
100 	MX23_PAD_GPMI_ALE__GPIO_0_17 |
101 		(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL),
102 };
103 
104 void board_init_ll(void)
105 {
106 	mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
107 }
108