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[karo-tx-uboot.git] / board / freescale / mpc8313erdb / mpc8313erdb.c
1 /*
2  * Copyright (C) Freescale Semiconductor, Inc. 2006-2007
3  *
4  * Author: Scott Wood <scottwood@freescale.com>
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #include <common.h>
10 #if defined(CONFIG_OF_LIBFDT)
11 #include <libfdt.h>
12 #endif
13 #include <pci.h>
14 #include <mpc83xx.h>
15 #include <vsc7385.h>
16 #include <ns16550.h>
17 #include <nand.h>
18 #if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
19 #include <asm/gpio.h>
20 #endif
21
22 DECLARE_GLOBAL_DATA_PTR;
23
24 int board_early_init_f(void)
25 {
26 #ifndef CONFIG_SYS_8313ERDB_BROKEN_PMC
27         volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
28
29         if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
30                 gd->flags |= GD_FLG_SILENT;
31 #endif
32 #if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
33         mpc83xx_gpio_init_f();
34 #endif
35
36         return 0;
37 }
38
39 int board_early_init_r(void)
40 {
41 #if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
42         mpc83xx_gpio_init_r();
43 #endif
44
45         return 0;
46 }
47
48 int checkboard(void)
49 {
50         puts("Board: Freescale MPC8313ERDB\n");
51         return 0;
52 }
53
54 #ifndef CONFIG_SPL_BUILD
55 static struct pci_region pci_regions[] = {
56         {
57                 .bus_start = CONFIG_SYS_PCI1_MEM_BASE,
58                 .phys_start = CONFIG_SYS_PCI1_MEM_PHYS,
59                 .size = CONFIG_SYS_PCI1_MEM_SIZE,
60                 .flags = PCI_REGION_MEM | PCI_REGION_PREFETCH
61         },
62         {
63                 .bus_start = CONFIG_SYS_PCI1_MMIO_BASE,
64                 .phys_start = CONFIG_SYS_PCI1_MMIO_PHYS,
65                 .size = CONFIG_SYS_PCI1_MMIO_SIZE,
66                 .flags = PCI_REGION_MEM
67         },
68         {
69                 .bus_start = CONFIG_SYS_PCI1_IO_BASE,
70                 .phys_start = CONFIG_SYS_PCI1_IO_PHYS,
71                 .size = CONFIG_SYS_PCI1_IO_SIZE,
72                 .flags = PCI_REGION_IO
73         }
74 };
75
76 void pci_init_board(void)
77 {
78         volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
79         volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
80         volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
81         struct pci_region *reg[] = { pci_regions };
82
83         /* Enable all 3 PCI_CLK_OUTPUTs. */
84         clk->occr |= 0xe0000000;
85
86         /*
87          * Configure PCI Local Access Windows
88          */
89         pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
90         pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
91
92         pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
93         pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
94
95         mpc83xx_pci_init(1, reg);
96 }
97
98 /*
99  * Miscellaneous late-boot configurations
100  *
101  * If a VSC7385 microcode image is present, then upload it.
102 */
103 int misc_init_r(void)
104 {
105         int rc = 0;
106
107 #ifdef CONFIG_VSC7385_IMAGE
108         if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
109                 CONFIG_VSC7385_IMAGE_SIZE)) {
110                 puts("Failure uploading VSC7385 microcode.\n");
111                 rc = 1;
112         }
113 #endif
114
115         return rc;
116 }
117
118 #if defined(CONFIG_OF_BOARD_SETUP)
119 void ft_board_setup(void *blob, bd_t *bd)
120 {
121         ft_cpu_setup(blob, bd);
122 #ifdef CONFIG_PCI
123         ft_pci_setup(blob, bd);
124 #endif
125 }
126 #endif
127 #else /* CONFIG_SPL_BUILD */
128 void board_init_f(ulong bootflag)
129 {
130         board_early_init_f();
131         NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
132                      CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
133         puts("NAND boot... ");
134         init_timebase();
135         initdram(0);
136         relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC_SP, (gd_t *)gd,
137                       CONFIG_SYS_NAND_U_BOOT_RELOC);
138 }
139
140 void board_init_r(gd_t *gd, ulong dest_addr)
141 {
142         nand_boot();
143 }
144
145 void putc(char c)
146 {
147         if (gd->flags & GD_FLG_SILENT)
148                 return;
149
150         if (c == '\n')
151                 NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
152
153         NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
154 }
155 #endif