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path: root/src/mainboard/lenovo/x60/i915.c
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Diffstat (limited to 'src/mainboard/lenovo/x60/i915.c')
-rw-r--r--src/mainboard/lenovo/x60/i915.c106
1 files changed, 56 insertions, 50 deletions
diff --git a/src/mainboard/lenovo/x60/i915.c b/src/mainboard/lenovo/x60/i915.c
index 837c8b490c..0f90168b17 100644
--- a/src/mainboard/lenovo/x60/i915.c
+++ b/src/mainboard/lenovo/x60/i915.c
@@ -57,14 +57,10 @@ static unsigned int graphics;
static unsigned short addrport;
static unsigned short dataport;
static unsigned int physbase;
-#if 0 //undefined reference
-extern int oprom_is_loaded;
-#else
int oprom_is_loaded;
-#endif
-#define PGETBL_CTL 0x2020
-#define PGETBL_ENABLED 0x00000001
+#define PGETBL_CTL 0x2020
+#define PGETBL_ENABLED 0x00000001
static u32 htotal, hblank, hsync, vtotal, vblank, vsync;
@@ -126,36 +122,37 @@ setgtt(int start, int end, unsigned long base, int inc)
{
int i;
- printk(BIOS_INFO, "%s(%d,%d,0x%08lx,%d);\n",__func__, start, end, base, inc);
+ printk(BIOS_INFO, "%s(%d,%d,0x%08lx,%d);\n",
+ __func__, start, end, base, inc);
- for(i = start; i < end; i++){
+ for (i = start; i < end; i++) {
u32 word = base + i*inc;
- WRITE32(word|1,(i*4)|1);
+ WRITE32(word|1, (i*4)|1);
}
}
int gtt_setup(unsigned int mmiobase);
int gtt_setup(unsigned int mmiobase)
{
- unsigned long PGETBL_save;
+ unsigned long PGETBL_save;
- PGETBL_save = read32(mmiobase + PGETBL_CTL) & ~PGETBL_ENABLED;
- PGETBL_save |= PGETBL_ENABLED;
+ PGETBL_save = read32(mmiobase + PGETBL_CTL) & ~PGETBL_ENABLED;
+ PGETBL_save |= PGETBL_ENABLED;
- printk(BIOS_DEBUG, "PGETBL_save=0x%lx\n",PGETBL_save );
+ printk(BIOS_DEBUG, "PGETBL_save=0x%lx\n", PGETBL_save);
- write32(mmiobase + GFX_FLSH_CNTL, 0);
+ write32(mmiobase + GFX_FLSH_CNTL, 0);
- write32(mmiobase + PGETBL_CTL, PGETBL_save);
+ write32(mmiobase + PGETBL_CTL, PGETBL_save);
- /* verify */
- if ( read32( mmiobase + PGETBL_CTL) & PGETBL_ENABLED ){
- printk(BIOS_DEBUG, "gtt_setup is enabled!!!\n");
- }else{
+ /* verify */
+ if (read32(mmiobase + PGETBL_CTL) & PGETBL_ENABLED) {
+ printk(BIOS_DEBUG, "gtt_setup is enabled.\n");
+ } else {
printk(BIOS_DEBUG, "gtt_setup failed!!!\n");
return 1;
}
- write32(mmiobase + GFX_FLSH_CNTL, 0);
+ write32(mmiobase + GFX_FLSH_CNTL, 0);
return 0;
}
@@ -188,9 +185,8 @@ static void palette(void)
int i;
unsigned long color = 0;
- for(i = 0; i < 256; i++, color += 0x010101){
+ for (i = 0; i < 256; i++, color += 0x010101)
io_i915_WRITE32(color, _LGC_PALETTE_A + (i<<2));
- }
}
int vbe_mode_info_valid(void);
@@ -202,7 +198,8 @@ int vbe_mode_info_valid(void)
void fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
void fill_lb_framebuffer(struct lb_framebuffer *framebuffer)
{
- printk(BIOS_SPEW, "fill_lb_framebuffer: graphics is %p\n", (void *)graphics);
+ printk(BIOS_SPEW, "fill_lb_framebuffer: graphics is %p\n",
+ (void *)graphics);
framebuffer->physical_address = graphics;
framebuffer->x_resolution = 1024;
framebuffer->y_resolution = 768;
@@ -228,10 +225,11 @@ static int run(int index)
if (index >= niodefs)
return index;
/* state machine! */
- for(i = index, id = &iodefs[i]; id->op; i++, id++){
- switch(id->op){
+ for (i = index, id = &iodefs[i]; id->op; i++, id++) {
+ switch (id->op) {
case M:
- if (verbose & vmsg) printk(BIOS_SPEW, "%ld: %s\n",
+ if (verbose & vmsg)
+ printk(BIOS_SPEW, "%ld: %s\n",
globalmicroseconds(), id->msg);
break;
case P:
@@ -242,15 +240,16 @@ static int run(int index)
if (verbose & vio)
printk(BIOS_SPEW, "\texpect %08lx\n", id->data);
/* we're looking for something. */
- if (lastidread->addr == id->addr){
+ if (lastidread->addr == id->addr) {
/* they're going to be polling.
* just do it 1000 times
*/
- for (t = 0; t < 1000 && id->data != u; t++){
+ for (t = 0; t < 1000 && id->data != u; t++)
u = READ32(id->addr);
- }
- if (verbose & vspin) printk(BIOS_SPEW,
- "%s: # loops %ld got %08lx want %08lx\n",
+
+ if (verbose & vspin)
+ printk(BIOS_SPEW,
+ "%s: # loops %ld got %08lx want %08lx\n",
regname(id->addr),
t, u, id->data);
}
@@ -258,20 +257,24 @@ static int run(int index)
break;
case W:
WRITE32(id->data, id->addr);
- if (id->addr == PCH_PP_CONTROL){
+ if (id->addr == PCH_PP_CONTROL) {
if (verbose & vio)
printk(BIOS_SPEW, "PCH_PP_CONTROL\n");
- switch(id->data & 0xf){
- case 8: break;
- case 7: break;
- default: udelay(100000);
+ switch (id->data & 0xf) {
+ case 8:
+ break;
+ case 7:
+ break;
+ default:
+ udelay(100000);
if (verbose & vio)
- printk(BIOS_SPEW, "U %d\n", 100000);
+ printk(BIOS_SPEW, "U %d\n",
+ 100000);
}
}
break;
case V:
- if (id->count < 8){
+ if (id->count < 8) {
prev = verbose;
verbose = id->count;
} else {
@@ -284,7 +287,8 @@ static int run(int index)
return i+1;
break;
default:
- printk(BIOS_SPEW, "BAD TABLE, opcode %d @ %d\n", id->op, i);
+ printk(BIOS_SPEW, "BAD TABLE, opcode %d @ %d\n",
+ id->op, i);
return -1;
}
if (id->udelay)
@@ -311,31 +315,33 @@ int i915lightup(unsigned int pphysbase, unsigned int piobase,
dataport = addrport + 4;
physbase = pphysbase;
graphics = pgfx;
- printk(BIOS_SPEW, "i915lightup: graphics %p mmio %p"
- "addrport %04x physbase %08x\n",
+ printk(BIOS_SPEW,
+ "i915lightup: graphics %p mmio %p addrport %04x physbase %08x\n",
(void *)graphics, mmio, addrport, physbase);
globalstart = rdtscll();
- decode_edid((unsigned char *)&x60_edid_data, sizeof(x60_edid_data), &edid);
+ decode_edid((unsigned char *)&x60_edid_data,
+ sizeof(x60_edid_data), &edid);
- htotal = (edid.ha - 1) | ((edid.ha + edid.hbl- 1) << 16);
+ htotal = (edid.ha - 1) | ((edid.ha + edid.hbl - 1) << 16);
printk(BIOS_SPEW, "I915_WRITE(HTOTAL(pipe), %08x)\n", htotal);
- hblank = (edid.ha - 1) | ((edid.ha + edid.hbl- 1) << 16);
+ hblank = (edid.ha - 1) | ((edid.ha + edid.hbl - 1) << 16);
printk(BIOS_SPEW, "I915_WRITE(HBLANK(pipe),0x%08x)\n", hblank);
hsync = (edid.ha + edid.hso - 1) |
- ((edid.ha + edid.hso + edid.hspw- 1) << 16);
+ ((edid.ha + edid.hso + edid.hspw - 1) << 16);
printk(BIOS_SPEW, "I915_WRITE(HSYNC(pipe),0x%08x)\n", hsync);
- vtotal = (edid.va - 1) | ((edid.va + edid.vbl- 1) << 16);
+ vtotal = (edid.va - 1) | ((edid.va + edid.vbl - 1) << 16);
printk(BIOS_SPEW, "I915_WRITE(VTOTAL(pipe), %08x)\n", vtotal);
- vblank = (edid.va - 1) | ((edid.va + edid.vbl- 1) << 16);
+ vblank = (edid.va - 1) | ((edid.va + edid.vbl - 1) << 16);
printk(BIOS_SPEW, "I915_WRITE(VBLANK(pipe),0x%08x)\n", vblank);
- vsync = (edid.va + edid.vso - 1) |((edid.va + edid.vso + edid.vspw- 1) << 16);
+ vsync = (edid.va + edid.vso - 1) |
+ ((edid.va + edid.vso + edid.vspw - 1) << 16);
printk(BIOS_SPEW, "I915_WRITE(VSYNC(pipe),0x%08x)\n", vsync);
printk(BIOS_SPEW, "Table has %d elements\n", niodefs);
@@ -368,7 +374,7 @@ int i915lightup(unsigned int pphysbase, unsigned int piobase,
* starting at physbase.
*/
- if ( gtt_setup(pmmio) ){
+ if (gtt_setup(pmmio)) {
printk(BIOS_ERR, "ERROR: GTT Setup Failed!!!\n");
return 0;
}
@@ -376,7 +382,7 @@ int i915lightup(unsigned int pphysbase, unsigned int piobase,
setgtt(0, 800 , physbase, 4096);
temp = READ32(PGETLB_CTL);
- printk(BIOS_INFO, "GTT PGETLB_CTL register: 0x%lx\n", temp);
+ printk(BIOS_INFO, "GTT PGETLB_CTL register: 0x%lx\n", temp);
if (temp & 1)
printk(BIOS_INFO, "GTT Enabled\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 07:21:28 +0000