/*************************************************
* 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();
}
