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ip1000: fix seabios start, fix flash gpio detection

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simplify i82830 code. 
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5422 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2010-04-13 21:31:42 +00:00 committed by Stefan Reinauer
parent 5ae1db0a9b
commit 1abf46c74e
2 changed files with 43 additions and 53 deletions
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23
src/mainboard/thomson/ip1000/mainboard.c
View File

@ -74,27 +74,15 @@ static void parport_gpios(void)
static void flash_gpios(void) static void flash_gpios(void)
{ {
u32 flash_base = 0xfff80000; u8 manufacturer_id = read8(0xffbc0000);
u8 manufacturer_id, device_id; u8 device_id = read8(0xffbc0001);
// reset mode
write8(flash_base, 0xff);
udelay(10);
// read id
write8(flash_base, 0x90);
udelay(10);
manufacturer_id = read8(flash_base);
device_id = read8(flash_base + 1);
// reset mode
write8(flash_base, 0xff);
udelay(10);
if ((manufacturer_id == 0x20) && if ((manufacturer_id == 0x20) &&
((device_id == 0x2c) || (device_id == 0x2d))) { ((device_id == 0x2c) || (device_id == 0x2d))) {
printk(BIOS_DEBUG, "Detected ST M50FW0%c0 flash:\n", printk(BIOS_DEBUG, "Detected ST M50FW0%c0 flash:\n",
(device_id==0x2c)?'4':'8'); (device_id==0x2c)?'4':'8');
u8 fgpi = read8(0xffbc0100); u8 fgpi = read8(0xffbc0100);
printk(BIOS_DEBUG, " FGPI0 [%c] FGPI1 [%c] FGPI2 [%c] FGPI3 [%c] FGPI4 [%c]", printk(BIOS_DEBUG, " FGPI0 [%c] FGPI1 [%c] FGPI2 [%c] FGPI3 [%c] FGPI4 [%c]\n",
(fgpi & (1 << 0)) ? 'X' : ' ', (fgpi & (1 << 0)) ? 'X' : ' ',
(fgpi & (1 << 1)) ? 'X' : ' ', (fgpi & (1 << 1)) ? 'X' : ' ',
(fgpi & (1 << 2)) ? 'X' : ' ', (fgpi & (1 << 2)) ? 'X' : ' ',
@ -109,7 +97,6 @@ static void flash_gpios(void)
#if CONFIG_PCI_OPTION_ROM_RUN_YABEL #if CONFIG_PCI_OPTION_ROM_RUN_YABEL
static int int15_handler(void) static int int15_handler(void)
{ {
u8 display_id;
#define BOOT_DISPLAY_DEFAULT 0 #define BOOT_DISPLAY_DEFAULT 0
#define BOOT_DISPLAY_CRT (1 << 0) #define BOOT_DISPLAY_CRT (1 << 0)
#define BOOT_DISPLAY_TV (1 << 1) #define BOOT_DISPLAY_TV (1 << 1)
@ -126,8 +113,8 @@ static int int15_handler(void)
switch (M.x86.R_AX) { switch (M.x86.R_AX) {
case 0x5f35: /* Boot Display */ case 0x5f35: /* Boot Display */
M.x86.R_AX = 0x005f; // Success M.x86.R_AX = 0x005f; // Success
// M.x86.R_CL = BOOT_DISPLAY_TV; M.x86.R_CL = BOOT_DISPLAY_TV2;
M.x86.R_CL = BOOT_DISPLAY_DEFAULT; //M.x86.R_CL = BOOT_DISPLAY_DEFAULT;
break; break;
case 0x5f36: /* Boot TV Format Hook */ case 0x5f36: /* Boot TV Format Hook */
printk(BIOS_DEBUG, "Boot TV Format Hook. TODO\n"); printk(BIOS_DEBUG, "Boot TV Format Hook. TODO\n");

73
src/northbridge/intel/i82830/northbridge.c
View File

@ -114,49 +114,52 @@ static void pci_domain_set_resources(device_t dev)
pci_tolm = find_pci_tolm(&dev->link[0]); pci_tolm = find_pci_tolm(&dev->link[0]);
mc_dev = dev->link[0].children; mc_dev = dev->link[0].children;
if (mc_dev) { if (!mc_dev)
unsigned long tomk, tolmk; return;
int idx;
if (CONFIG_VIDEO_MB == 512) { unsigned long tomk, tolmk;
igd_memory = (CONFIG_VIDEO_MB); int idx;
printk(BIOS_DEBUG, "%dKB IGD UMA\n", igd_memory >> 10);
} else {
igd_memory = (CONFIG_VIDEO_MB * 1024);
printk(BIOS_DEBUG, "%dMB IGD UMA\n", igd_memory >> 10);
}
/* Get the value of the highest DRB. This tells the end of if (CONFIG_VIDEO_MB == 512) {
* the physical memory. The units are ticks of 32MB igd_memory = (CONFIG_VIDEO_MB);
* i.e. 1 means 32MB. printk(BIOS_DEBUG, "%dKB IGD UMA\n", igd_memory >> 10);
*/ } else {
tomk = ((unsigned long)pci_read_config8(mc_dev, DRB + 3)) << 15; igd_memory = (CONFIG_VIDEO_MB * 1024);
tomk -= igd_memory; printk(BIOS_DEBUG, "%dMB IGD UMA\n", igd_memory >> 10);
}
/* For reserving UMA memory in the memory map */ /* Get the value of the highest DRB. This tells the end of
uma_memory_base = tomk * 1024ULL; * the physical memory. The units are ticks of 32MB
uma_memory_size = igd_memory * 1024ULL; * i.e. 1 means 32MB.
printk(BIOS_DEBUG, "Available memory: %ldKB\n", tomk); */
tomk = ((unsigned long)pci_read_config8(mc_dev, DRB + 3)) << 15;
tomk -= igd_memory;
/* Compute the top of low memory. */ /* For reserving UMA memory in the memory map */
tolmk = pci_tolm >> 10; uma_memory_base = tomk * 1024ULL;
if (tolmk >= tomk) { uma_memory_size = igd_memory * 1024ULL;
/* The PCI hole does does not overlap the memory. */ printk(BIOS_DEBUG, "Available memory: %ldKB\n", tomk);
tolmk = tomk;
}
/* Report the memory regions. */ /* Compute the top of low memory. */
idx = 10; tolmk = pci_tolm >> 10;
ram_resource(dev, idx++, 0, 640); if (tolmk >= tomk) {
ram_resource(dev, idx++, 1024, tolmk - 1024); /* The PCI hole does does not overlap the memory. */
tolmk = tomk;
}
/* Report the memory regions. */
idx = 10;
ram_resource(dev, idx++, 0, 640);
ram_resource(dev, idx++, 768, 256);
ram_resource(dev, idx++, 1024, tolmk - 1024);
assign_resources(&dev->link[0]);
#if CONFIG_WRITE_HIGH_TABLES==1 #if CONFIG_WRITE_HIGH_TABLES==1
/* Leave some space for ACPI, PIRQ and MP tables */ /* Leave some space for ACPI, PIRQ and MP tables */
high_tables_base = (tomk - HIGH_TABLES_SIZE) * 1024; high_tables_base = (tomk - HIGH_TABLES_SIZE) * 1024;
high_tables_size = HIGH_TABLES_SIZE * 1024; high_tables_size = HIGH_TABLES_SIZE * 1024;
#endif #endif
}
assign_resources(&dev->link[0]);
} }
static struct device_operations pci_domain_ops = { static struct device_operations pci_domain_ops = {