1 /*
2  *
3  * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
4  *
5  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
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  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25 
26 
27 #include <common.h>
28 #include <netdev.h>
29 #include <asm/arch/clock.h>
30 #include <asm/arch/imx-regs.h>
31 #include <asm/arch/sys_proto.h>
32 #include <watchdog.h>
33 #include <power/pmic.h>
34 #include <fsl_pmic.h>
35 #include <errno.h>
36 
37 DECLARE_GLOBAL_DATA_PTR;
38 
39 #ifdef CONFIG_HW_WATCHDOG
40 void hw_watchdog_reset(void)
41 {
42 	mxc_hw_watchdog_reset();
43 }
44 #endif
45 
46 int dram_init(void)
47 {
48 	/* dram_init must store complete ramsize in gd->ram_size */
49 	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
50 				PHYS_SDRAM_1_SIZE);
51 	return 0;
52 }
53 
54 int board_early_init_f(void)
55 {
56 	/* CS5: CPLD incl. network controller */
57 	static const struct mxc_weimcs cs5 = {
58 		/*    sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
59 		CSCR_U(0, 0,  0,  0,  0,  0,   0,  0,  3, 24, 0,  4,  3),
60 		/*   oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
61 		CSCR_L(2,  2,   2,   5,  2,  0,  5,  2,  0,  0,   0,   1),
62 		/*  ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
63 		CSCR_A(2,   2,  2,  2,  0,  0,  2,  2,  0,  0,  0,  0,   0,  0)
64 	};
65 
66 	mxc_setup_weimcs(5, &cs5);
67 
68 	/* Setup UART1 and SPI2 pins */
69 	mx31_uart1_hw_init();
70 	mx31_spi2_hw_init();
71 
72 	return 0;
73 }
74 
75 int board_init(void)
76 {
77 	/* adress of boot parameters */
78 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
79 
80 	return 0;
81 }
82 
83 int board_late_init(void)
84 {
85 	u32 val;
86 	struct pmic *p;
87 	int ret;
88 
89 	ret = pmic_init(I2C_PMIC);
90 	if (ret)
91 		return ret;
92 
93 	p = pmic_get("FSL_PMIC");
94 	if (!p)
95 		return -ENODEV;
96 	/* Enable RTC battery */
97 	pmic_reg_read(p, REG_POWER_CTL0, &val);
98 	pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
99 	pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
100 #ifdef CONFIG_HW_WATCHDOG
101 	mxc_hw_watchdog_enable();
102 #endif
103 	return 0;
104 }
105 
106 int checkboard(void)
107 {
108 	printf("Board: MX31PDK\n");
109 	return 0;
110 }
111 
112 int board_eth_init(bd_t *bis)
113 {
114 	int rc = 0;
115 #ifdef CONFIG_SMC911X
116 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
117 #endif
118 	return rc;
119 }
120