xref: /openbmc/u-boot/board/micronas/vct/vct.c (revision 23ff8633)
1 /*
2  * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
3  *
4  * Copyright (C) 2006 Micronas GmbH
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <command.h>
11 #include <netdev.h>
12 #include <asm/mipsregs.h>
13 #include "vct.h"
14 
15 #if defined(CONFIG_VCT_PREMIUM)
16 #define BOARD_NAME	"PremiumD"
17 #elif defined(CONFIG_VCT_PLATINUM)
18 #define BOARD_NAME	"PlatinumD"
19 #elif defined(CONFIG_VCT_PLATINUMAVC)
20 #define BOARD_NAME	"PlatinumAVC"
21 #else
22 #error "vct: No board variant defined!"
23 #endif
24 
25 #if defined(CONFIG_VCT_ONENAND)
26 #define BOARD_NAME_ADD	" OneNAND"
27 #else
28 #define BOARD_NAME_ADD	" NOR"
29 #endif
30 
31 int board_early_init_f(void)
32 {
33 	/*
34 	 * First initialize the PIN mulitplexing
35 	 */
36 	vct_pin_mux_initialize();
37 
38 	/*
39 	 * Init the EBI very early so that FLASH can be accessed
40 	 */
41 	ebi_initialize();
42 
43 	return 0;
44 }
45 
46 void _machine_restart(void)
47 {
48 	reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT);
49 	reg_write(WDT_TORR(WDT_BASE), 0x00);
50 	reg_write(WDT_CR(WDT_BASE), 0x1D);
51 
52 	/*
53 	 * Now wait for the watchdog to trigger the reset
54 	 */
55 	udelay(1000000);
56 }
57 
58 /*
59  * SDRAM is already configured by the bootstrap code, only return the
60  * auto-detected size here
61  */
62 phys_size_t initdram(int board_type)
63 {
64 	return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
65 			    CONFIG_SYS_MBYTES_SDRAM << 20);
66 }
67 
68 int checkboard(void)
69 {
70 	char buf[64];
71 	int i = getenv_f("serial#", buf, sizeof(buf));
72 	u32 config0 = read_c0_prid();
73 
74 	if ((config0 & 0xff0000) == PRID_COMP_LEGACY
75 	    && (config0 & 0xff00) == PRID_IMP_LX4280) {
76 		puts("Board: MDED \n");
77 		printf("CPU:   LX4280 id: 0x%02x, rev: 0x%02x\n",
78 		       (config0 >> 8) & 0xFF, config0 & 0xFF);
79 	} else if ((config0 & 0xff0000) == PRID_COMP_MIPS
80 		   && (config0 & 0xff00) == PRID_IMP_VGC) {
81 		u32 jedec_id = *((u32 *) 0xBEBC71A0);
82 		if ((((jedec_id) >> 12) & 0xFF) == 0x40) {
83 			puts("Board: VGCA \n");
84 		} else if ((((jedec_id) >> 12) & 0xFF) == 0x48
85 			   || (((jedec_id) >> 12) & 0xFF) == 0x49) {
86 			puts("Board: VGCB \n");
87 		}
88 		printf("CPU:   MIPS 4K id: 0x%02x, rev: 0x%02x\n",
89 		       (config0 >> 8) & 0xFF, config0 & 0xFF);
90 	} else if (config0 == 0x19378) {
91 		printf("CPU:   MIPS 24K id: 0x%02x, rev: 0x%02x\n",
92 		       (config0 >> 8) & 0xFF, config0 & 0xFF);
93 	} else {
94 		printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24,
95 		       config0);
96 	}
97 
98 	printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD);
99 	if (i > 0) {
100 		puts(", serial# ");
101 		puts(buf);
102 	}
103 	putc('\n');
104 
105 	return 0;
106 }
107 
108 int board_eth_init(bd_t *bis)
109 {
110 	int rc = 0;
111 #ifdef CONFIG_SMC911X
112 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
113 #endif
114 	return rc;
115 }
116