bb75a912cb391d442d5992178f1e66e4a2d955d2
[coreboot.git] / src / mainboard / tyan / s2895 / romstage.c
1 #include <stdint.h>
2 #include <string.h>
3 #include <device/pci_def.h>
4 #include <arch/io.h>
5 #include <device/pnp_def.h>
6 #include <arch/romcc_io.h>
7 #include <cpu/x86/lapic.h>
8 #include <pc80/mc146818rtc.h>
9 #include <console/console.h>
10 #include <lib.h>
11 #include <cpu/amd/model_fxx_rev.h>
12 #include "northbridge/amd/amdk8/incoherent_ht.c"
13 #include "southbridge/nvidia/ck804/ck804_early_smbus.h"
14 #include "northbridge/amd/amdk8/raminit.h"
15 #include "cpu/amd/model_fxx/apic_timer.c"
16 #include "lib/delay.c"
17 #include "cpu/x86/lapic/boot_cpu.c"
18 #include "northbridge/amd/amdk8/reset_test.c"
19 #include "superio/smsc/lpc47b397/lpc47b397_early_serial.c"
20 #include "superio/smsc/lpc47b397/lpc47b397_early_gpio.c"
21 #define SUPERIO_GPIO_DEV PNP_DEV(0x2e, LPC47B397_RT)
22 #define SUPERIO_GPIO_IO_BASE 0x400
23 #include "cpu/x86/bist.h"
24 #include "northbridge/amd/amdk8/debug.c"
25 #include <cpu/amd/mtrr.h>
26 #include "cpu/x86/mtrr/earlymtrr.c"
27 #include "northbridge/amd/amdk8/setup_resource_map.c"
28 #define SERIAL_DEV PNP_DEV(0x2e, LPC47B397_SP1)
29
30 static void memreset_setup(void)
31 {
32 }
33
34 static void memreset(int controllers, const struct mem_controller *ctrl)
35 {
36 }
37
38 static void sio_gpio_setup(void)
39 {
40         unsigned value;
41
42         /*Enable onboard scsi*/
43         lpc47b397_gpio_offset_out(SUPERIO_GPIO_IO_BASE, 0x2c, (1<<7)|(0<<2)|(0<<1)|(0<<0)); // GP21, offset 0x2c, DISABLE_SCSI_L
44         value = lpc47b397_gpio_offset_in(SUPERIO_GPIO_IO_BASE, 0x4c);
45         lpc47b397_gpio_offset_out(SUPERIO_GPIO_IO_BASE, 0x4c, (value|(1<<1)));
46 }
47
48 static inline void activate_spd_rom(const struct mem_controller *ctrl)
49 {
50         /* nothing to do */
51 }
52
53 static inline int spd_read_byte(unsigned device, unsigned address)
54 {
55         return smbus_read_byte(device, address);
56 }
57
58 #include "northbridge/amd/amdk8/raminit.c"
59 #include "northbridge/amd/amdk8/coherent_ht.c"
60 #include "lib/generic_sdram.c"
61
62  /* tyan does not want the default */
63 #include "resourcemap.c"
64
65 #include "cpu/amd/dualcore/dualcore.c"
66
67 #include "southbridge/nvidia/ck804/ck804_early_setup_ss.h"
68
69 //set GPIO to input mode
70 #define CK804_MB_SETUP \
71         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 5, ~(0xff),((0<<4)|(0<<2)|(0<<0)),/* M9,GPIO6, PCIXB2_PRSNT1_L*/  \
72         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+15, ~(0xff),((0<<4)|(0<<2)|(0<<0)),/* M8,GPIO16, PCIXB2_PRSNT2_L*/ \
73         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+44, ~(0xff),((0<<4)|(0<<2)|(0<<0)),/* P5,GPIO45, PCIXA_PRSNT1_L*/  \
74         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 7, ~(0xff),((0<<4)|(0<<2)|(0<<0)),/* M5,GPIO8, PCIXA_PRSNT2_L*/   \
75         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+16, ~(0xff),((0<<4)|(0<<2)|(0<<0)),/* K4,GPIO17, PCIXB_PRSNT1_L*/  \
76         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+45, ~(0xff),((0<<4)|(0<<2)|(0<<0)),/* P7,GPIO46, PCIXB_PRSNT2_L*/
77
78 #include "southbridge/nvidia/ck804/ck804_early_setup_car.c"
79
80 #include "cpu/amd/car/post_cache_as_ram.c"
81
82 #include "cpu/amd/model_fxx/init_cpus.c"
83
84 #include "northbridge/amd/amdk8/early_ht.c"
85
86 static void sio_setup(void)
87 {
88         unsigned value;
89         u32 dword;
90         u8 byte;
91
92         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1, 0), 0xac, 0x047f0400);
93
94         byte = pci_read_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b);
95         byte |= 0x20;
96         pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b, byte);
97
98         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0);
99         dword |= (1<<29)|(1<<0);
100         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0, dword);
101
102         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1, 0), 0xa4);
103         dword |= (1<<16);
104         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa4, dword);
105
106         lpc47b397_enable_serial(SUPERIO_GPIO_DEV, SUPERIO_GPIO_IO_BASE);
107         value = lpc47b397_gpio_offset_in(SUPERIO_GPIO_IO_BASE, 0x77);
108         value &= 0xbf;
109         lpc47b397_gpio_offset_out(SUPERIO_GPIO_IO_BASE, 0x77, value);
110 }
111
112 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
113 {
114         static const u16 spd_addr [] = {
115                 (0xa<<3)|0, (0xa<<3)|2, 0, 0,
116                 (0xa<<3)|1, (0xa<<3)|3, 0, 0,
117                 (0xa<<3)|4, (0xa<<3)|6, 0, 0,
118                 (0xa<<3)|5, (0xa<<3)|7, 0, 0,
119         };
120
121         int needs_reset;
122         unsigned bsp_apicid = 0;
123
124         struct mem_controller ctrl[8];
125         unsigned nodes;
126
127         if (!cpu_init_detectedx && boot_cpu()) {
128                 /* Nothing special needs to be done to find bus 0 */
129                 /* Allow the HT devices to be found */
130
131                 enumerate_ht_chain();
132
133                 sio_setup();
134         }
135
136         if (bist == 0) {
137                 bsp_apicid = init_cpus(cpu_init_detectedx);
138         }
139
140         lpc47b397_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
141         uart_init();
142         console_init();
143
144         /* Halt if there was a built in self test failure */
145         report_bist_failure(bist);
146
147         sio_gpio_setup();
148
149         setup_mb_resource_map();
150
151         needs_reset = setup_coherent_ht_domain();
152
153         wait_all_core0_started();
154
155         // It is said that we should start core1 after all core0 launched
156         start_other_cores();
157         wait_all_other_cores_started(bsp_apicid);
158
159         needs_reset |= ht_setup_chains_x();
160
161         needs_reset |= ck804_early_setup_x();
162
163         if (needs_reset) {
164                 printk(BIOS_INFO, "ht reset -\n");
165                 soft_reset();
166         }
167
168         allow_all_aps_stop(bsp_apicid);
169
170         nodes = get_nodes();
171         //It's the time to set ctrl now;
172         fill_mem_ctrl(nodes, ctrl, spd_addr);
173
174         enable_smbus();
175
176         memreset_setup();
177         sdram_initialize(nodes, ctrl);
178
179         post_cache_as_ram();
180 }
181