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-rw-r--r--src/northbridge/intel/gm45/gma.c153
1 files changed, 77 insertions, 76 deletions
diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c
index 8c97143974..d5a133b832 100644
--- a/src/northbridge/intel/gm45/gma.c
+++ b/src/northbridge/intel/gm45/gma.c
@@ -42,8 +42,6 @@ void gtt_write(u32 reg, u32 data)
write32(res2mmio(gtt_res, reg, 0), data);
}
-#if IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)
-
static void power_port(u8 *mmio)
{
read32(mmio + 0x00061100); // = 0x00000000
@@ -172,33 +170,33 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info,
target_frequency = mode->lvds_dual_channel ? mode->pixel_clock
: (2 * mode->pixel_clock);
-#if IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
- vga_sr_write(1, 1);
- vga_sr_write(0x2, 0xf);
- vga_sr_write(0x3, 0x0);
- vga_sr_write(0x4, 0xe);
- vga_gr_write(0, 0x0);
- vga_gr_write(1, 0x0);
- vga_gr_write(2, 0x0);
- vga_gr_write(3, 0x0);
- vga_gr_write(4, 0x0);
- vga_gr_write(5, 0x0);
- vga_gr_write(6, 0x5);
- vga_gr_write(7, 0xf);
- vga_gr_write(0x10, 0x1);
- vga_gr_write(0x11, 0);
-
- edid.bytes_per_line = (edid.bytes_per_line + 63) & ~63;
-
- write32(mmio + DSPCNTR(0), DISPPLANE_BGRX888);
- write32(mmio + DSPADDR(0), 0);
- write32(mmio + DSPSTRIDE(0), edid.bytes_per_line);
- write32(mmio + DSPSURF(0), 0);
- for (i = 0; i < 0x100; i++)
- write32(mmio + LGC_PALETTE(0) + 4 * i, i * 0x010101);
-#else
- vga_textmode_init();
-#endif
+ if (IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)) {
+ vga_sr_write(1, 1);
+ vga_sr_write(0x2, 0xf);
+ vga_sr_write(0x3, 0x0);
+ vga_sr_write(0x4, 0xe);
+ vga_gr_write(0, 0x0);
+ vga_gr_write(1, 0x0);
+ vga_gr_write(2, 0x0);
+ vga_gr_write(3, 0x0);
+ vga_gr_write(4, 0x0);
+ vga_gr_write(5, 0x0);
+ vga_gr_write(6, 0x5);
+ vga_gr_write(7, 0xf);
+ vga_gr_write(0x10, 0x1);
+ vga_gr_write(0x11, 0);
+
+ edid.bytes_per_line = (edid.bytes_per_line + 63) & ~63;
+
+ write32(mmio + DSPCNTR(0), DISPPLANE_BGRX888);
+ write32(mmio + DSPADDR(0), 0);
+ write32(mmio + DSPSTRIDE(0), edid.bytes_per_line);
+ write32(mmio + DSPSURF(0), 0);
+ for (i = 0; i < 0x100; i++)
+ write32(mmio + LGC_PALETTE(0) + 4 * i, i * 0x010101);
+ } else {
+ vga_textmode_init();
+ }
/* Find suitable divisors. */
for (candp1 = 1; candp1 <= 8; candp1++) {
@@ -327,17 +325,18 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info,
write32(mmio + PIPECONF(0), PIPECONF_DISABLE);
write32(mmio + PF_WIN_POS(0), 0);
-#if IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
- write32(mmio + PIPESRC(0), ((hactive - 1) << 16) | (vactive - 1));
- write32(mmio + PF_CTL(0),0);
- write32(mmio + PF_WIN_SZ(0), 0);
- write32(mmio + PFIT_CONTROL, 0x20000000);
-#else
- write32(mmio + PIPESRC(0), (639 << 16) | 399);
- write32(mmio + PF_CTL(0),PF_ENABLE | PF_FILTER_MED_3x3);
- write32(mmio + PF_WIN_SZ(0), vactive | (hactive << 16));
- write32(mmio + PFIT_CONTROL, 0xa0000000);
-#endif
+ if (IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)) {
+ write32(mmio + PIPESRC(0), ((hactive - 1) << 16)
+ | (vactive - 1));
+ write32(mmio + PF_CTL(0), 0);
+ write32(mmio + PF_WIN_SZ(0), 0);
+ write32(mmio + PFIT_CONTROL, 0x20000000);
+ } else {
+ write32(mmio + PIPESRC(0), (639 << 16) | 399);
+ write32(mmio + PF_CTL(0), PF_ENABLE | PF_FILTER_MED_3x3);
+ write32(mmio + PF_WIN_SZ(0), vactive | (hactive << 16));
+ write32(mmio + PFIT_CONTROL, 0xa0000000);
+ }
mdelay(1);
@@ -357,13 +356,14 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info,
write32(mmio + PIPECONF(0), PIPECONF_BPP_6 | PIPECONF_DITHER_EN);
write32(mmio + PIPECONF(0), PIPECONF_ENABLE | PIPECONF_BPP_6 | PIPECONF_DITHER_EN);
-#if IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
- write32(mmio + VGACNTRL, 0x22c4008e | VGA_DISP_DISABLE);
- write32(mmio + DSPCNTR(0), DISPLAY_PLANE_ENABLE | DISPPLANE_BGRX888);
- mdelay(1);
-#else
- write32(mmio + VGACNTRL, 0x22c4008e);
-#endif
+ if (IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)) {
+ write32(mmio + VGACNTRL, 0x22c4008e | VGA_DISP_DISABLE);
+ write32(mmio + DSPCNTR(0), DISPLAY_PLANE_ENABLE
+ | DISPPLANE_BGRX888);
+ mdelay(1);
+ } else {
+ write32(mmio + VGACNTRL, 0x22c4008e);
+ }
write32(mmio + TRANS_HTOTAL(0),
((hactive + right_border + hblank - 1) << 16)
@@ -421,14 +421,13 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info,
write32(mmio + DEIIR, 0xffffffff);
write32(mmio + SDEIIR, 0xffffffff);
-#if IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
- memset ((void *) lfb, 0, edid.x_resolution * edid.y_resolution * 4);
- set_vbe_mode_info_valid(&edid, lfb);
-#endif
+ if (IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)) {
+ memset((void *) lfb, 0,
+ edid.x_resolution * edid.y_resolution * 4);
+ set_vbe_mode_info_valid(&edid, lfb);
+ }
}
-#endif
-
static void gma_func0_init(struct device *dev)
{
u32 reg32;
@@ -443,30 +442,32 @@ static void gma_func0_init(struct device *dev)
struct northbridge_intel_gm45_config *conf = dev->chip_info;
-#if !CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
- /* PCI Init, will run VBIOS */
- pci_dev_init(dev);
-#else
- u32 physbase;
- struct resource *lfb_res;
- struct resource *pio_res;
-
- lfb_res = find_resource(dev, PCI_BASE_ADDRESS_2);
- pio_res = find_resource(dev, PCI_BASE_ADDRESS_4);
-
- physbase = pci_read_config32(dev, 0x5c) & ~0xf;
-
- if (gtt_res && gtt_res->base && physbase && pio_res && pio_res->base
- && lfb_res && lfb_res->base) {
- printk(BIOS_SPEW, "Initializing VGA without OPROM. MMIO 0x%llx\n",
- gtt_res->base);
- intel_gma_init(conf, res2mmio(gtt_res, 0, 0), physbase,
- pio_res->base, lfb_res->base);
- }
+ if (!IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) {
+ /* PCI Init, will run VBIOS */
+ pci_dev_init(dev);
+ } else {
+ u32 physbase;
+ struct resource *lfb_res;
+ struct resource *pio_res;
+
+ lfb_res = find_resource(dev, PCI_BASE_ADDRESS_2);
+ pio_res = find_resource(dev, PCI_BASE_ADDRESS_4);
+
+ physbase = pci_read_config32(dev, 0x5c) & ~0xf;
+
+ if (gtt_res && gtt_res->base && physbase && pio_res
+ && pio_res->base && lfb_res && lfb_res->base) {
+ printk(BIOS_SPEW,
+ "Initializing VGA without OPROM. MMIO 0x%llx\n",
+ gtt_res->base);
+ intel_gma_init(conf, res2mmio(gtt_res, 0, 0), physbase,
+ pio_res->base, lfb_res->base);
+ }
- /* Linux relies on VBT for panel info. */
- generate_fake_intel_oprom(&conf->gfx, dev, "$VBT IRONLAKE-MOBILE");
-#endif
+ /* Linux relies on VBT for panel info. */
+ generate_fake_intel_oprom(&conf->gfx, dev,
+ "$VBT IRONLAKE-MOBILE");
+ }
/* Post VBIOS init */
/* Enable Backlight */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 21:53:57 +0000