summaryrefslogtreecommitdiffstats
path: root/src/mainboard/arima/hdama/romstage.c
blob: 19c4c6bc3f30c49af8d92f87602260edb75c2d8f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
#define ASSEMBLY 1
#define __PRE_RAM__

#include <stdint.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <cpu/x86/lapic.h>
#include <stdlib.h>
#include "option_table.h"
#include "pc80/mc146818rtc_early.c"
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "lib/ramtest.c"

#include <cpu/amd/model_fxx_rev.h>
#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "cpu/amd/model_fxx/apic_timer.c"
#include "lib/delay.c"

#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "northbridge/amd/amdk8/debug.c"
#include "superio/nsc/pc87360/pc87360_early_serial.c"

#include "cpu/amd/mtrr/amd_earlymtrr.c"
#include "cpu/x86/bist.h"

#include "northbridge/amd/amdk8/setup_resource_map.c"

#define SERIAL_DEV PNP_DEV(0x2e, PC87360_SP1)

#include "southbridge/amd/amd8111/amd8111_early_ctrl.c"

/*
 * GPIO28 of 8111 will control H0_MEMRESET_L
 * GPIO29 of 8111 will control H1_MEMRESET_L
 */
static void memreset_setup(void)
{
	if (is_cpu_pre_c0()) {
		/* Set the memreset low */
		outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 28);
		/* Ensure the BIOS has control of the memory lines */
		outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 29);
	}
	else {
		/* Ensure the CPU has controll of the memory lines */
		outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 29);
	}
}

static void memreset(int controllers, const struct mem_controller *ctrl)
{
	if (is_cpu_pre_c0()) {
		udelay(800);
		/* Set memreset_high */
		outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 28);
		udelay(90);
	}
}

static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
	/* nothing to do */
}

static inline int spd_read_byte(unsigned device, unsigned address)
{
	return smbus_read_byte(device, address);
}

#define QRANK_DIMM_SUPPORT 1

#include "northbridge/amd/amdk8/raminit.c"
#include "northbridge/amd/amdk8/resourcemap.c"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "lib/generic_sdram.c"

#if CONFIG_LOGICAL_CPUS==1
#define SET_NB_CFG_54 1
#endif
#include "cpu/amd/dualcore/dualcore.c"

#define FIRST_CPU  1
#define SECOND_CPU 1
#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU)

#include "cpu/amd/car/copy_and_run.c"

#include "cpu/amd/car/post_cache_as_ram.c"

#include "cpu/amd/model_fxx/init_cpus.c"

#if CONFIG_USE_FALLBACK_IMAGE == 1

#include "southbridge/amd/amd8111/amd8111_enable_rom.c"
#include "northbridge/amd/amdk8/early_ht.c"

void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
{
	unsigned last_boot_normal_x = last_boot_normal();

	/* Is this a cpu only reset? or Is this a secondary cpu? */
	if ((cpu_init_detectedx) || (!boot_cpu())) {
		if (last_boot_normal_x) {
			goto normal_image;
		} else {
			goto fallback_image;
		}
	}

	/* Nothing special needs to be done to find bus 0 */
	/* Allow the HT devices to be found */

	enumerate_ht_chain();

	amd8111_enable_rom();

	/* Is this a deliberate reset by the bios */
	if (bios_reset_detected() && last_boot_normal_x) {
		goto normal_image;
	}
	/* This is the primary cpu how should I boot? */
	else if (do_normal_boot()) {
		goto normal_image;
	}
	else {
		goto fallback_image;
	}
 normal_image:
	__asm__ volatile ("jmp __normal_image"
		: /* outputs */
		: "a" (bist) , "b" (cpu_init_detectedx) /* inputs */
		);

 fallback_image:
	;
}
#endif

void real_main(unsigned long bist, unsigned long cpu_init_detectedx);

void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{

#if CONFIG_USE_FALLBACK_IMAGE == 1
	failover_process(bist, cpu_init_detectedx);
#endif
	real_main(bist, cpu_init_detectedx);
}

void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
		(0xa<<3)|0, (0xa<<3)|2, 0, 0,
		(0xa<<3)|1, (0xa<<3)|3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
		(0xa<<3)|4, (0xa<<3)|6, 0, 0,
		(0xa<<3)|5, (0xa<<3)|7, 0, 0,
#endif
	};

	int needs_reset;
	unsigned bsp_apicid = 0;
	struct mem_controller ctrl[8];
	unsigned nodes;

	if (bist == 0) {
		bsp_apicid = init_cpus(cpu_init_detectedx);
	}

	pc87360_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	uart_init();
	console_init();

	/* Halt if there was a built in self test failure */
	report_bist_failure(bist);

	setup_default_resource_map();

	needs_reset = setup_coherent_ht_domain();

#if CONFIG_LOGICAL_CPUS==1
	// It is said that we should start core1 after all core0 launched
	start_other_cores();
	wait_all_other_cores_started(bsp_apicid);
#endif
	/* This is needed to be able to call udelay().  It could be moved to
	 * memreset_setup, since udelay is called in memreset. */
	init_timer();

	// automatically set that for you, but you might meet tight space
	needs_reset |= ht_setup_chains_x();

       	if (needs_reset) {
	       	print_info("ht reset -\r\n");
	       	soft_reset();
       	}

	allow_all_aps_stop(bsp_apicid);

	nodes = get_nodes();

	fill_mem_ctrl(nodes, ctrl, spd_addr);

	enable_smbus();

	memreset_setup();

	sdram_initialize(nodes, ctrl);

	post_cache_as_ram();
}
OpenPOWER on IntegriCloud