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Diffstat (limited to 'src/northbridge/intel/i945')
-rw-r--r--src/northbridge/intel/i945/gma.c150
1 files changed, 76 insertions, 74 deletions
diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c
index d8950e61b7..4baed80293 100644
--- a/src/northbridge/intel/i945/gma.c
+++ b/src/northbridge/intel/i945/gma.c
@@ -46,8 +46,6 @@
#define BASE_FREQUENCY 100000
-#if CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
-
static int gtt_setup(void *mmiobase)
{
unsigned long PGETBL_save;
@@ -218,19 +216,21 @@ static int intel_gma_init_lvds(struct northbridge_intel_i945_config *conf,
BASE_FREQUENCY * (5 * (pixel_m1 + 2) + (pixel_m2 + 2)) /
(pixel_n + 2) / (pixel_p1 * pixel_p2));
-#if !IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
- write32(pmmio + PF_WIN_SZ(0), vactive | (hactive << 16));
- write32(pmmio + PF_WIN_POS(0), 0);
- write32(pmmio + PF_CTL(0),PF_ENABLE | PF_FILTER_MED_3x3);
- write32(pmmio + PFIT_CONTROL, PFIT_ENABLE | (1 << PFIT_PIPE_SHIFT) | HORIZ_AUTO_SCALE | VERT_AUTO_SCALE);
-#else
- /* Disable panel fitter (we're in native resolution). */
- write32(pmmio + PF_CTL(0), 0);
- write32(pmmio + PF_WIN_SZ(0), 0);
- write32(pmmio + PF_WIN_POS(0), 0);
- write32(pmmio + PFIT_PGM_RATIOS, 0);
- write32(pmmio + PFIT_CONTROL, 0);
-#endif
+ if (IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)) {
+ /* Disable panel fitter (we're in native resolution). */
+ write32(pmmio + PF_CTL(0), 0);
+ write32(pmmio + PF_WIN_SZ(0), 0);
+ write32(pmmio + PF_WIN_POS(0), 0);
+ write32(pmmio + PFIT_PGM_RATIOS, 0);
+ write32(pmmio + PFIT_CONTROL, 0);
+ } else {
+ write32(pmmio + PF_WIN_SZ(0), vactive | (hactive << 16));
+ write32(pmmio + PF_WIN_POS(0), 0);
+ write32(pmmio + PF_CTL(0), PF_ENABLE | PF_FILTER_MED_3x3);
+ write32(pmmio + PFIT_CONTROL, PFIT_ENABLE
+ | (1 << PFIT_PIPE_SHIFT) | HORIZ_AUTO_SCALE
+ | VERT_AUTO_SCALE);
+ }
mdelay(1);
@@ -279,11 +279,13 @@ static int intel_gma_init_lvds(struct northbridge_intel_i945_config *conf,
((vactive + bottom_border + vfront_porch + vsync - 1) << 16)
| (vactive + bottom_border + vfront_porch - 1));
-#if !IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
- write32(pmmio + PIPESRC(1), (639 << 16) | 399);
-#else
- write32(pmmio + PIPESRC(1), ((hactive - 1) << 16) | (vactive - 1));
-#endif
+ if (IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)) {
+ write32(pmmio + PIPESRC(1), ((hactive - 1) << 16)
+ | (vactive - 1));
+ } else {
+ write32(pmmio + PIPESRC(1), (639 << 16) | 399);
+ }
+
mdelay(1);
write32(pmmio + DSPSIZE(0), (hactive - 1) | ((vactive - 1) << 16));
@@ -368,21 +370,21 @@ static int intel_gma_init_lvds(struct northbridge_intel_i945_config *conf,
else
printk(BIOS_ERR, "ERROR: GTT is still Disabled!!!\n");
-#if !IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
- vga_misc_write(0x67);
-
- write32(pmmio + DSPCNTR(0), DISPPLANE_SEL_PIPE_B);
+ if (IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)) {
+ printk(BIOS_SPEW, "memset %p to 0x00 for %d bytes\n",
+ (void *)pgfx, hactive * vactive * 4);
+ memset((void *)pgfx, 0x00, hactive * vactive * 4);
- write32(pmmio + VGACNTRL, 0x02c4008e | VGA_PIPE_B_SELECT);
+ set_vbe_mode_info_valid(&edid, pgfx);
+ } else {
+ vga_misc_write(0x67);
- vga_textmode_init();
-#else
- printk(BIOS_SPEW, "memset %p to 0x00 for %d bytes\n",
- (void *)pgfx, hactive * vactive * 4);
- memset((void *)pgfx, 0x00, hactive * vactive * 4);
+ write32(pmmio + DSPCNTR(0), DISPPLANE_SEL_PIPE_B);
+ write32(pmmio + VGACNTRL, 0x02c4008e
+ | VGA_PIPE_B_SELECT);
- set_vbe_mode_info_valid(&edid, pgfx);
-#endif
+ vga_textmode_init();
+ }
return 0;
}
@@ -575,7 +577,6 @@ static int probe_edid(u8 *pmmio, u8 slave)
return 1;
}
-#endif
static void gma_func0_init(struct device *dev)
{
@@ -593,49 +594,50 @@ static void gma_func0_init(struct device *dev)
pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER
| PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
-#if !CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
- /* PCI Init, will run VBIOS */
- pci_dev_init(dev);
-#endif
-
-
-#if CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
- /* This should probably run before post VBIOS init. */
- printk(BIOS_SPEW, "Initializing VGA without OPROM.\n");
- void *mmiobase;
- u32 iobase, graphics_base;
- struct northbridge_intel_i945_config *conf = dev->chip_info;
-
- iobase = dev->resource_list[1].base;
- mmiobase = (void *)(uintptr_t)dev->resource_list[0].base;
- graphics_base = dev->resource_list[2].base;
-
- printk(BIOS_SPEW, "GMADR = 0x%08x GTTADR = 0x%08x\n",
- pci_read_config32(dev, GMADR),
- pci_read_config32(dev, GTTADR)
- );
-
- int err;
- /* probe if VGA is connected and alway run */
- /* VGA init if no LVDS is connected */
- if (!probe_edid(mmiobase, 3) || probe_edid(mmiobase, 2))
- err = intel_gma_init_vga(conf, pci_read_config32(dev, 0x5c) & ~0xf,
- iobase, mmiobase, graphics_base);
- else
- err = intel_gma_init_lvds(conf, pci_read_config32(dev, 0x5c) & ~0xf,
- iobase, mmiobase, graphics_base);
- if (err == 0)
- gfx_set_init_done(1);
- /* Linux relies on VBT for panel info. */
- if (CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM) {
- generate_fake_intel_oprom(&conf->gfx, dev,
- "$VBT CALISTOGA");
+ if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) {
+ /* PCI Init, will run VBIOS */
+ pci_dev_init(dev);
}
- if (CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GC) {
- generate_fake_intel_oprom(&conf->gfx, dev,
- "$VBT LAKEPORT-G");
+
+ if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) {
+ /* This should probably run before post VBIOS init. */
+ printk(BIOS_SPEW, "Initializing VGA without OPROM.\n");
+ void *mmiobase;
+ u32 iobase, graphics_base;
+ struct northbridge_intel_i945_config *conf = dev->chip_info;
+
+ iobase = dev->resource_list[1].base;
+ mmiobase = (void *)(uintptr_t)dev->resource_list[0].base;
+ graphics_base = dev->resource_list[2].base;
+
+ printk(BIOS_SPEW, "GMADR = 0x%08x GTTADR = 0x%08x\n",
+ pci_read_config32(dev, GMADR),
+ pci_read_config32(dev, GTTADR)
+ );
+
+ int err;
+ /* probe if VGA is connected and alway run */
+ /* VGA init if no LVDS is connected */
+ if (!probe_edid(mmiobase, 3) || probe_edid(mmiobase, 2))
+ err = intel_gma_init_vga(conf,
+ pci_read_config32(dev, 0x5c) & ~0xf,
+ iobase, mmiobase, graphics_base);
+ else
+ err = intel_gma_init_lvds(conf,
+ pci_read_config32(dev, 0x5c) & ~0xf,
+ iobase, mmiobase, graphics_base);
+ if (err == 0)
+ gfx_set_init_done(1);
+ /* Linux relies on VBT for panel info. */
+ if (CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM) {
+ generate_fake_intel_oprom(&conf->gfx, dev,
+ "$VBT CALISTOGA");
+ }
+ if (CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GC) {
+ generate_fake_intel_oprom(&conf->gfx, dev,
+ "$VBT LAKEPORT-G");
+ }
}
-#endif
}
/* This doesn't reclaim stolen UMA memory, but IGD could still
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 22:19:08 +0000