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Dave Liu8bd522c2008-01-11 18:48:24 +08001/*
2 * Copyright (C) 2007 Freescale Semiconductor, Inc.
3 *
4 * Author: Scott Wood <scottwood@freescale.com>
5 * Dave Liu <daveliu@freescale.com>
6 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02007 * SPDX-License-Identifier: GPL-2.0+
Dave Liu8bd522c2008-01-11 18:48:24 +08008 */
9
10#include <common.h>
Anton Vorontsovb8b71ff2009-06-10 00:25:36 +040011#include <hwconfig.h>
Dave Liu8bd522c2008-01-11 18:48:24 +080012#include <i2c.h>
Dave Liu8bd522c2008-01-11 18:48:24 +080013#include <libfdt.h>
Anton Vorontsov25f5f0d2008-07-08 21:00:04 +040014#include <fdt_support.h>
Dave Liu8bd522c2008-01-11 18:48:24 +080015#include <pci.h>
16#include <mpc83xx.h>
Ben Warren10efa022008-08-31 20:37:00 -070017#include <netdev.h>
Anton Vorontsov8f11e342009-01-08 04:26:17 +030018#include <asm/io.h>
Anton Vorontsov2e950042009-11-24 20:12:12 +030019#include <ns16550.h>
20#include <nand.h>
Dave Liu8bd522c2008-01-11 18:48:24 +080021
22DECLARE_GLOBAL_DATA_PTR;
23
24int board_early_init_f(void)
25{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020026 volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
Dave Liu8bd522c2008-01-11 18:48:24 +080027
28 if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
29 gd->flags |= GD_FLG_SILENT;
30
31 return 0;
32}
33
Anton Vorontsov2e950042009-11-24 20:12:12 +030034#ifndef CONFIG_NAND_SPL
35
Dave Liu8bd522c2008-01-11 18:48:24 +080036static u8 read_board_info(void)
37{
38 u8 val8;
39 i2c_set_bus_num(0);
40
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020041 if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0)
Dave Liu8bd522c2008-01-11 18:48:24 +080042 return val8;
43 else
44 return 0;
45}
46
47int checkboard(void)
48{
49 static const char * const rev_str[] = {
50 "0.0",
51 "0.1",
52 "1.0",
53 "1.1",
54 "<unknown>",
55 };
56 u8 info;
57 int i;
58
59 info = read_board_info();
60 i = (!info) ? 4: info & 0x03;
61
62 printf("Board: Freescale MPC8315ERDB Rev %s\n", rev_str[i]);
63
64 return 0;
65}
66
67static struct pci_region pci_regions[] = {
68 {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020069 bus_start: CONFIG_SYS_PCI_MEM_BASE,
70 phys_start: CONFIG_SYS_PCI_MEM_PHYS,
71 size: CONFIG_SYS_PCI_MEM_SIZE,
Dave Liu8bd522c2008-01-11 18:48:24 +080072 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
73 },
74 {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020075 bus_start: CONFIG_SYS_PCI_MMIO_BASE,
76 phys_start: CONFIG_SYS_PCI_MMIO_PHYS,
77 size: CONFIG_SYS_PCI_MMIO_SIZE,
Dave Liu8bd522c2008-01-11 18:48:24 +080078 flags: PCI_REGION_MEM
79 },
80 {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020081 bus_start: CONFIG_SYS_PCI_IO_BASE,
82 phys_start: CONFIG_SYS_PCI_IO_PHYS,
83 size: CONFIG_SYS_PCI_IO_SIZE,
Dave Liu8bd522c2008-01-11 18:48:24 +080084 flags: PCI_REGION_IO
85 }
86};
87
Anton Vorontsov8f11e342009-01-08 04:26:17 +030088static struct pci_region pcie_regions_0[] = {
89 {
90 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
91 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
92 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
93 .flags = PCI_REGION_MEM,
94 },
95 {
96 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
97 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
98 .size = CONFIG_SYS_PCIE1_IO_SIZE,
99 .flags = PCI_REGION_IO,
100 },
101};
102
103static struct pci_region pcie_regions_1[] = {
104 {
105 .bus_start = CONFIG_SYS_PCIE2_MEM_BASE,
106 .phys_start = CONFIG_SYS_PCIE2_MEM_PHYS,
107 .size = CONFIG_SYS_PCIE2_MEM_SIZE,
108 .flags = PCI_REGION_MEM,
109 },
110 {
111 .bus_start = CONFIG_SYS_PCIE2_IO_BASE,
112 .phys_start = CONFIG_SYS_PCIE2_IO_PHYS,
113 .size = CONFIG_SYS_PCIE2_IO_SIZE,
114 .flags = PCI_REGION_IO,
115 },
116};
117
Dave Liu8bd522c2008-01-11 18:48:24 +0800118void pci_init_board(void)
119{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200120 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
Anton Vorontsov8f11e342009-01-08 04:26:17 +0300121 volatile sysconf83xx_t *sysconf = &immr->sysconf;
Dave Liu8bd522c2008-01-11 18:48:24 +0800122 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
123 volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
Anton Vorontsov8f11e342009-01-08 04:26:17 +0300124 volatile law83xx_t *pcie_law = sysconf->pcielaw;
Dave Liu8bd522c2008-01-11 18:48:24 +0800125 struct pci_region *reg[] = { pci_regions };
Anton Vorontsov8f11e342009-01-08 04:26:17 +0300126 struct pci_region *pcie_reg[] = { pcie_regions_0, pcie_regions_1, };
Dave Liu8bd522c2008-01-11 18:48:24 +0800127
128 /* Enable all 3 PCI_CLK_OUTPUTs. */
129 clk->occr |= 0xe0000000;
130
131 /*
132 * Configure PCI Local Access Windows
133 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200134 pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR;
Dave Liu8bd522c2008-01-11 18:48:24 +0800135 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
136
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200137 pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR;
Dave Liu8bd522c2008-01-11 18:48:24 +0800138 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
139
Peter Tyser6aa3d3b2010-09-14 19:13:50 -0500140 mpc83xx_pci_init(1, reg);
Anton Vorontsov8f11e342009-01-08 04:26:17 +0300141
142 /* Configure the clock for PCIE controller */
143 clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM | SCCR_PCIEXP2CM,
144 SCCR_PCIEXP1CM_1 | SCCR_PCIEXP2CM_1);
145
146 /* Deassert the resets in the control register */
147 out_be32(&sysconf->pecr1, 0xE0008000);
148 out_be32(&sysconf->pecr2, 0xE0008000);
149 udelay(2000);
150
151 /* Configure PCI Express Local Access Windows */
152 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
153 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
154
155 out_be32(&pcie_law[1].bar, CONFIG_SYS_PCIE2_BASE & LAWBAR_BAR);
156 out_be32(&pcie_law[1].ar, LBLAWAR_EN | LBLAWAR_512MB);
157
Peter Tyser6aa3d3b2010-09-14 19:13:50 -0500158 mpc83xx_pcie_init(2, pcie_reg);
Dave Liu8bd522c2008-01-11 18:48:24 +0800159}
160
161#if defined(CONFIG_OF_BOARD_SETUP)
Anton Vorontsov25f5f0d2008-07-08 21:00:04 +0400162void fdt_tsec1_fixup(void *fdt, bd_t *bd)
163{
Anton Vorontsov25f5f0d2008-07-08 21:00:04 +0400164 const char disabled[] = "disabled";
165 const char *path;
166 int ret;
167
Anton Vorontsovb8b71ff2009-06-10 00:25:36 +0400168 if (hwconfig_arg_cmp("board_type", "tsec1")) {
Anton Vorontsov021f6df2008-07-10 17:20:51 +0400169 return;
Anton Vorontsovb8b71ff2009-06-10 00:25:36 +0400170 } else if (!hwconfig_arg_cmp("board_type", "ulpi")) {
171 printf("NOTICE: No or unknown board_type hwconfig specified.\n"
172 " Assuming board with TSEC1.\n");
Anton Vorontsov021f6df2008-07-10 17:20:51 +0400173 return;
Anton Vorontsov25f5f0d2008-07-08 21:00:04 +0400174 }
175
176 ret = fdt_path_offset(fdt, "/aliases");
177 if (ret < 0) {
178 printf("WARNING: can't find /aliases node\n");
179 return;
180 }
181
182 path = fdt_getprop(fdt, ret, "ethernet0", NULL);
183 if (!path) {
184 printf("WARNING: can't find ethernet0 alias\n");
185 return;
186 }
187
188 do_fixup_by_path(fdt, path, "status", disabled, sizeof(disabled), 1);
189}
190
Dave Liu8bd522c2008-01-11 18:48:24 +0800191void ft_board_setup(void *blob, bd_t *bd)
192{
193 ft_cpu_setup(blob, bd);
194#ifdef CONFIG_PCI
195 ft_pci_setup(blob, bd);
196#endif
Anton Vorontsov25f5f0d2008-07-08 21:00:04 +0400197 fdt_fixup_dr_usb(blob, bd);
198 fdt_tsec1_fixup(blob, bd);
Dave Liu8bd522c2008-01-11 18:48:24 +0800199}
200#endif
Ben Warren10efa022008-08-31 20:37:00 -0700201
202int board_eth_init(bd_t *bis)
203{
204 cpu_eth_init(bis); /* Initialize TSECs first */
205 return pci_eth_init(bis);
206}
Anton Vorontsov2e950042009-11-24 20:12:12 +0300207
208#else /* CONFIG_NAND_SPL */
209
210int checkboard(void)
211{
212 puts("Board: Freescale MPC8315ERDB\n");
213 return 0;
214}
215
216void board_init_f(ulong bootflag)
217{
218 board_early_init_f();
219 NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
220 CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
221 puts("NAND boot... ");
222 init_timebase();
223 initdram(0);
224 relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC + 0x10000, (gd_t *)gd,
225 CONFIG_SYS_NAND_U_BOOT_RELOC);
226}
227
228void board_init_r(gd_t *gd, ulong dest_addr)
229{
230 nand_boot();
231}
232
233void putc(char c)
234{
235 if (gd->flags & GD_FLG_SILENT)
236 return;
237
238 if (c == '\n')
239 NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
240
241 NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
242}
243
244#endif /* CONFIG_NAND_SPL */