void main(unsigned long bist)
{
if (bist == 0) {
if (memory_initialized())
hard_reset();
}
/* Set southbridge and superio gpios */
mb_gpio_init();
smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
/* Halt if there was a built in self test failure. */
report_bist_failure(bist);
/* disable TCO timers */
i82801dx_halt_tco_timer();
/* Setup mainboard specific registers */
mb_early_setup();
/* Initialize memory */
sdram_initialize();
}
void mainboard_romstage_entry(unsigned long bist)
{
const u8 spd_addrmap[4] = { 0x50, 0x51, 0, 0 };
if (bist == 0)
enable_lapic();
/* Disable watchdog timer */
RCBA32(0x3410) = RCBA32(0x3410) | 0x20;
/* Set southbridge and Super I/O GPIOs. */
mb_gpio_init();
nm10_enable_lpc();
winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
report_bist_failure(bist);
enable_smbus();
pineview_early_initialization();
post_code(0x30);
printk(BIOS_DEBUG, "Initializing memory\n");
sdram_initialize(0, spd_addrmap);
printk(BIOS_DEBUG, "Memory initialized\n");
post_code(0x31);
ram_check(0x200000,0x300000);
rcba_config();
}
void main(unsigned long bist)
{
/* Set southbridge and Super I/O GPIOs. */
mb_gpio_init();
smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
report_bist_failure(bist);
enable_smbus();
dump_spd_registers();
sdram_set_registers();
sdram_set_spd_registers();
sdram_enable();
}
/*************************************************
* enable the dedicated function in tim5690 board.
* This function called early than rs690_enable.
*************************************************/
static void mainboard_enable(device_t dev)
{
u16 gpio_base = IT8712F_SIMPLE_IO_BASE;
#if CONFIG_VGA_ROM_RUN
rs690_vbios_regs vbios_regs;
u8 port2;
#endif
printk(BIOS_INFO, "Mainboard tim5690 Enable. dev=0x%p\n", dev);
mb_gpio_init(&gpio_base);
#if CONFIG_VGA_ROM_RUN
/* The LCD's panel id seletion by switch. */
port2 = inb(gpio_base+1);
lcd_panel_id(&vbios_regs, ((~port2) & 0xf));
/* No support TV */
vbios_regs.int15_regs.fun05_tv_standard = TV_MODE_NO;
vgabios_init(&vbios_regs);
#endif
set_thermal_config();
}
/*************************************************
* enable the dedicated function in tim5690 board.
* This function called early than rs690_enable.
*************************************************/
static void tim5690_enable(device_t dev)
{
rs690_vbios_regs vbios_regs;
u16 gpio_base = IT8712F_SIMPLE_IO_BASE;
u8 port2;
printk(BIOS_INFO, "Mainboard tim5690 Enable. dev=0x%p\n", dev);
mb_gpio_init(&gpio_base);
/* The LCD's panel id seletion by switch. */
port2 = inb(gpio_base+1);
lcd_panel_id(&vbios_regs, ((~port2) & 0xf));
/* No support TV */
vbios_regs.int15_regs.fun05_tv_standard = TV_MODE_NO;
vgabios_init(&vbios_regs);
#if (CONFIG_GFXUMA == 1)
msr_t msr, msr2;
/* TOP_MEM: the top of DRAM below 4G */
msr = rdmsr(TOP_MEM);
printk(BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n",
__func__, msr.lo, msr.hi);
/* TOP_MEM2: the top of DRAM above 4G */
msr2 = rdmsr(TOP_MEM2);
printk(BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n",
__func__, msr2.lo, msr2.hi);
switch (msr.lo) {
case 0x10000000: /* 256M system memory */
uma_memory_size = 0x2000000; /* 32M recommended UMA */
break;
case 0x18000000: /* 384M system memory */
uma_memory_size = 0x4000000; /* 64M recommended UMA */
break;
case 0x20000000: /* 512M system memory */
uma_memory_size = 0x4000000; /* 64M recommended UMA */
break;
default: /* 1GB and above system memory */
uma_memory_size = 0x8000000; /* 128M recommended UMA */
break;
}
uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */
printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n",
__func__, uma_memory_size, uma_memory_base);
/* TODO: TOP_MEM2 */
#else
uma_memory_size = 0x8000000; /* 128M recommended UMA */
uma_memory_base = 0x38000000; /* 1GB system memory supposed */
#endif
set_thermal_config();
}
