diff options
Diffstat (limited to 'src/northbridge')
-rw-r--r-- | src/northbridge/intel/gm45/gma.c | 153 |
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 */ |