4 #include <device/pci_def.h>
6 #include <device/pnp_def.h>
7 #include <arch/romcc_io.h>
9 #include "pc80/serial.c"
10 #include "arch/i386/lib/console.c"
11 #include "ram/ramtest.c"
12 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
13 #include "cpu/x86/bist.h"
14 #include "cpu/x86/msr.h"
15 #include <cpu/amd/gx2def.h>
17 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
19 #include "southbridge/amd/cs5535/cs5535_early_smbus.c"
20 #include "southbridge/amd/cs5535/cs5535_early_setup.c"
22 static inline int spd_read_byte(unsigned device, unsigned address)
24 return smbus_read_byte(device, address);
27 #include "northbridge/amd/gx2/raminit.h"
29 static inline unsigned int fls(unsigned int x)
33 __asm__("bsfl %1,%0\n\t"
36 "1:" : "=r" (r) : "g" (x));
40 static void sdram_set_spd_registers(const struct mem_controller *ctrl)
42 /* Total size of DIMM = 2^row address (byte 3) * 2^col address (byte 4) *
43 * component Banks (byte 17) * module banks, side (byte 5) *
44 * width in bits (byte 6,7)
45 * = Density per side (byte 31) * number of sides (byte 5) */
46 /* 1. Initialize GLMC registers base on SPD values, do one DIMM for now */
48 unsigned char module_banks, val;
50 msr = rdmsr(MC_CF07_DATA);
52 /* get module banks (sides) per dimm, SPD byte 5 */
53 module_banks = spd_read_byte(0xA0, 5);
54 if (module_banks < 1 || module_banks > 2)
55 print_err("Module banks per dimm\r\n");
57 msr.hi &= ~(1 << CF07_UPPER_D0_MB_SHIFT);
58 msr.hi |= (module_banks << CF07_UPPER_D0_MB_SHIFT);
60 /* get component banks per module bank, SPD byte 17 */
61 val = spd_read_byte(0xA0, 17);
62 if (val < 2 || val > 4)
63 print_err("Component banks per module bank\r\n");
65 msr.hi &= ~(0x1 << CF07_UPPER_D0_CB_SHIFT);
66 msr.hi |= (val << CF07_UPPER_D0_CB_SHIFT);
68 /* get the module bank density, SPD byte 31 */
69 val = spd_read_byte(0xA0, 31);
72 msr.hi &= ~(0xf << CF07_UPPER_D0_SZ_SHIFT);
73 msr.hi |= (val << CF07_UPPER_D0_SZ_SHIFT);
75 /* page size = 2^col address */
76 val = spd_read_byte(0xA0, 4);
78 msr.hi &= ~(0x7 << CF07_UPPER_D0_PSZ_SHIFT);
79 msr.hi |= (val << CF07_UPPER_D0_PSZ_SHIFT);
81 print_debug("computed msr.hi ");
82 print_debug_hex32(msr.hi);
86 wrmsr(MC_CF07_DATA, msr);
88 msr = rdmsr(0x20000019);
91 wrmsr(0x20000019, msr);
95 #include "northbridge/amd/gx2/raminit.c"
96 #include "sdram/generic_sdram.c"
98 #define PLLMSRhi 0x00001490
99 #define PLLMSRlo 0x02000030
100 #define PLLMSRlo1 ((0xde << 16) | (1 << 26) | (1 << 24))
101 #define PLLMSRlo2 ((1<<14) |(1<<13) | (1<<0))
102 #include "northbridge/amd/gx2/pll_reset.c"
103 #include "cpu/amd/model_gx2/cpureginit.c"
105 static void msr_init(void)
107 __builtin_wrmsr(0x1808, 0x10f3bf00, 0x22fffc02);
109 __builtin_wrmsr(0x10000020, 0xfff80, 0x20000000);
110 __builtin_wrmsr(0x10000021, 0x80fffe0, 0x20000000);
111 __builtin_wrmsr(0x10000026, 0x400fffc0, 0x2cfbc040);
112 __builtin_wrmsr(0x10000027, 0xfff00000, 0xff);
113 __builtin_wrmsr(0x10000028, 0x7bf00100, 0x2000000f);
114 __builtin_wrmsr(0x1000002c, 0xff030003, 0x20000000);
116 __builtin_wrmsr(0x10000080, 0x3, 0x0);
118 __builtin_wrmsr(0x40000020, 0xfff80, 0x20000000);
119 __builtin_wrmsr(0x40000021, 0x80fffe0, 0x20000000);
120 __builtin_wrmsr(0x40000023, 0x400fffc0, 0x20000040);
121 __builtin_wrmsr(0x40000024, 0xff4ffffc, 0x200000ef);
122 __builtin_wrmsr(0x40000029, 0x7bf00100, 0x2000000f);
123 __builtin_wrmsr(0x4000002d, 0xff030003, 0x20000000);
126 __builtin_wrmsr(0x50002001, 0x27, 0x0);
127 __builtin_wrmsr(0x4c002001, 0x1, 0x0);
129 __builtin_wrmsr(0x4c00000c, 0x0, 0x08);
130 __builtin_wrmsr(0x4c000016, 0x0, 0x0);
131 __builtin_wrmsr(0x4c00000c, 0x1, 0x0);
132 __builtin_wrmsr(0x4c00005e, 0x03880000, 0x00);
133 __builtin_wrmsr(0x4c00006f, 0x0000f000, 0x00);
134 __builtin_wrmsr(0x4c00005f, 0x08000000, 0x00);
135 __builtin_wrmsr(0x4c00000d, 0x82b5ad68, 0x80ad6b57);
136 __builtin_wrmsr(0x4c00000c, 0x0, 0x0);
141 static void main(unsigned long bist)
143 static const struct mem_controller memctrl [] = {
144 {.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
149 w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
153 cs5535_early_setup();
158 print_err("done cpuRegInit\n");
160 sdram_initialize(1, memctrl);
163 /* Check all of memory */
164 //ram_check(0x00000000, 640*1024);