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7#include <common.h>
8#include <ide.h>
9#include <init.h>
10#include <net.h>
11#include <netdev.h>
12#include <pci.h>
13#include <pci_gt64120.h>
14#include <pci_msc01.h>
15#include <rtc.h>
16#include <linux/delay.h>
17
18#include <asm/addrspace.h>
19#include <asm/io.h>
20#include <asm/malta.h>
21
22#include "superio.h"
23
24DECLARE_GLOBAL_DATA_PTR;
25
26enum core_card {
27 CORE_UNKNOWN,
28 CORE_LV,
29 CORE_FPGA6,
30};
31
32enum sys_con {
33 SYSCON_UNKNOWN,
34 SYSCON_GT64120,
35 SYSCON_MSC01,
36};
37
38static void malta_lcd_puts(const char *str)
39{
40 int i;
41 void *reg = (void *)CKSEG1ADDR(MALTA_ASCIIPOS0);
42
43
44 for (i = 0; i < min((int)strlen(str), 8); i++) {
45 __raw_writel(str[i], reg);
46 reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0;
47 }
48
49
50 for (; i < 8; i++) {
51 __raw_writel(' ', reg);
52 reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0;
53 }
54}
55
56static enum core_card malta_core_card(void)
57{
58 u32 corid, rev;
59 const void *reg = (const void *)CKSEG1ADDR(MALTA_REVISION);
60
61 rev = __raw_readl(reg);
62 corid = (rev & MALTA_REVISION_CORID_MSK) >> MALTA_REVISION_CORID_SHF;
63
64 switch (corid) {
65 case MALTA_REVISION_CORID_CORE_LV:
66 return CORE_LV;
67
68 case MALTA_REVISION_CORID_CORE_FPGA6:
69 return CORE_FPGA6;
70
71 default:
72 return CORE_UNKNOWN;
73 }
74}
75
76static enum sys_con malta_sys_con(void)
77{
78 switch (malta_core_card()) {
79 case CORE_LV:
80 return SYSCON_GT64120;
81
82 case CORE_FPGA6:
83 return SYSCON_MSC01;
84
85 default:
86 return SYSCON_UNKNOWN;
87 }
88}
89
90int dram_init(void)
91{
92 gd->ram_size = CONFIG_SYS_MEM_SIZE;
93
94 return 0;
95}
96
97int checkboard(void)
98{
99 enum core_card core;
100
101 malta_lcd_puts("U-Boot");
102 puts("Board: MIPS Malta");
103
104 core = malta_core_card();
105 switch (core) {
106 case CORE_LV:
107 puts(" CoreLV");
108 break;
109
110 case CORE_FPGA6:
111 puts(" CoreFPGA6");
112 break;
113
114 default:
115 puts(" CoreUnknown");
116 }
117
118 putc('\n');
119 return 0;
120}
121
122int board_eth_init(struct bd_info *bis)
123{
124 return pci_eth_init(bis);
125}
126
127void _machine_restart(void)
128{
129 void __iomem *reset_base;
130
131 reset_base = (void __iomem *)CKSEG1ADDR(MALTA_RESET_BASE);
132 __raw_writel(GORESET, reset_base);
133 mdelay(1000);
134}
135
136int board_early_init_f(void)
137{
138 ulong io_base;
139
140
141 switch (malta_sys_con()) {
142 case SYSCON_GT64120:
143 io_base = CKSEG1ADDR(MALTA_GT_PCIIO_BASE);
144 break;
145
146 case SYSCON_MSC01:
147 io_base = CKSEG1ADDR(MALTA_MSC01_PCIIO_BASE);
148 break;
149
150 default:
151 return -1;
152 }
153
154 set_io_port_base(io_base);
155
156
157 malta_superio_init();
158
159 return 0;
160}
161
162int misc_init_r(void)
163{
164 rtc_reset();
165
166 return 0;
167}
168
169void pci_init_board(void)
170{
171 pci_dev_t bdf;
172 u32 val32;
173 u8 val8;
174
175 switch (malta_sys_con()) {
176 case SYSCON_GT64120:
177 gt64120_pci_init((void *)CKSEG1ADDR(MALTA_GT_BASE),
178 0x00000000, 0x00000000, CONFIG_SYS_MEM_SIZE,
179 0x10000000, 0x10000000, 128 * 1024 * 1024,
180 0x00000000, 0x00000000, 0x20000);
181 break;
182
183 default:
184 case SYSCON_MSC01:
185 msc01_pci_init((void *)CKSEG1ADDR(MALTA_MSC01_PCI_BASE),
186 0x00000000, 0x00000000, CONFIG_SYS_MEM_SIZE,
187 MALTA_MSC01_PCIMEM_MAP,
188 CKSEG1ADDR(MALTA_MSC01_PCIMEM_BASE),
189 MALTA_MSC01_PCIMEM_SIZE, MALTA_MSC01_PCIIO_MAP,
190 0x00000000, MALTA_MSC01_PCIIO_SIZE);
191 break;
192 }
193
194 bdf = pci_find_device(PCI_VENDOR_ID_INTEL,
195 PCI_DEVICE_ID_INTEL_82371AB_0, 0);
196 if (bdf == -1)
197 panic("Failed to find PIIX4 PCI bridge\n");
198
199
200 pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCA, 10);
201 pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCB, 10);
202 pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCC, 11);
203 pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCD, 11);
204
205
206 pci_read_config_dword(bdf, PCI_CFG_PIIX4_GENCFG, &val32);
207 val32 |= PCI_CFG_PIIX4_GENCFG_SERIRQ;
208 pci_write_config_dword(bdf, PCI_CFG_PIIX4_GENCFG, val32);
209
210
211 pci_read_config_byte(bdf, PCI_CFG_PIIX4_SERIRQC, &val8);
212 val8 |= PCI_CFG_PIIX4_SERIRQC_EN | PCI_CFG_PIIX4_SERIRQC_CONT;
213 pci_write_config_byte(bdf, PCI_CFG_PIIX4_SERIRQC, val8);
214
215 bdf = pci_find_device(PCI_VENDOR_ID_INTEL,
216 PCI_DEVICE_ID_INTEL_82371AB, 0);
217 if (bdf == -1)
218 panic("Failed to find PIIX4 IDE controller\n");
219
220
221 val32 |= PCI_COMMAND_MASTER | PCI_COMMAND_IO;
222 pci_write_config_dword(bdf, PCI_COMMAND, val32);
223
224
225 pci_write_config_byte(bdf, PCI_LATENCY_TIMER, 0x40);
226
227
228 pci_write_config_dword(bdf, PCI_CFG_PIIX4_IDETIM_PRI,
229 PCI_CFG_PIIX4_IDETIM_IDE);
230 pci_write_config_dword(bdf, PCI_CFG_PIIX4_IDETIM_SEC,
231 PCI_CFG_PIIX4_IDETIM_IDE);
232}
233