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-rw-r--r--src/northbridge/intel/nehalem/Kconfig2
-rw-r--r--src/northbridge/intel/nehalem/gma.c463
2 files changed, 4 insertions, 461 deletions
diff --git a/src/northbridge/intel/nehalem/Kconfig b/src/northbridge/intel/nehalem/Kconfig
index 26d0a7d159..9eb6e75eac 100644
--- a/src/northbridge/intel/nehalem/Kconfig
+++ b/src/northbridge/intel/nehalem/Kconfig
@@ -21,8 +21,6 @@ config NORTHBRIDGE_INTEL_NEHALEM
select TSC_MONOTONIC_TIMER
select INTEL_GMA_ACPI
select CACHE_MRC_SETTINGS
- select HAVE_LINEAR_FRAMEBUFFER if MAINBOARD_DO_NATIVE_VGA_INIT
- select HAVE_VGA_TEXT_FRAMEBUFFER if MAINBOARD_DO_NATIVE_VGA_INIT
select POSTCAR_STAGE
select POSTCAR_CONSOLE
diff --git a/src/northbridge/intel/nehalem/gma.c b/src/northbridge/intel/nehalem/gma.c
index aeff69a475..6e2d4044df 100644
--- a/src/northbridge/intel/nehalem/gma.c
+++ b/src/northbridge/intel/nehalem/gma.c
@@ -571,441 +571,6 @@ static void gma_pm_init_post_vbios(struct device *dev)
}
}
-static void train_link(u8 *mmio)
-{
- /* Clear interrupts. */
- write32(mmio + DEIIR, 0xffffffff);
-
- write32(mmio + 0x000f0018, 0x000000ff);
- write32(mmio + 0x000f1018, 0x000000ff);
- write32(mmio + 0x000f000c, 0x001a2050);
- write32(mmio + 0x00060100, 0x001c4000);
- write32(mmio + 0x00060100, 0x801c4000);
- write32(mmio + 0x000f000c, 0x801a2050);
- write32(mmio + 0x00060100, 0x801c4000);
- write32(mmio + 0x000f000c, 0x801a2050);
- mdelay(1);
-
- read32(mmio + 0x000f0014); // = 0x00000100
- write32(mmio + 0x000f0014, 0x00000100);
- write32(mmio + 0x00060100, 0x901c4000);
- write32(mmio + 0x000f000c, 0x901a2050);
- mdelay(1);
- read32(mmio + 0x000f0014); // = 0x00000600
-}
-
-static void power_port(u8 *mmio)
-{
- read32(mmio + 0x000e1100); // = 0x00000000
- write32(mmio + 0x000e1100, 0x00000000);
- write32(mmio + 0x000e1100, 0x00010000);
- read32(mmio + 0x000e1100); // = 0x00010000
- read32(mmio + 0x000e1100); // = 0x00010000
- read32(mmio + 0x000e1100); // = 0x00000000
- write32(mmio + 0x000e1100, 0x00000000);
- read32(mmio + 0x000e1100); // = 0x00000000
- read32(mmio + 0x000e4200); // = 0x0000001c
- write32(mmio + 0x000e4210, 0x8004003e);
- write32(mmio + 0x000e4214, 0x80060002);
- write32(mmio + 0x000e4218, 0x01000000);
- read32(mmio + 0x000e4210); // = 0x5144003e
- write32(mmio + 0x000e4210, 0x5344003e);
- read32(mmio + 0x000e4210); // = 0x0144003e
- write32(mmio + 0x000e4210, 0x8074003e);
- read32(mmio + 0x000e4210); // = 0x5144003e
- read32(mmio + 0x000e4210); // = 0x5144003e
- write32(mmio + 0x000e4210, 0x5344003e);
- read32(mmio + 0x000e4210); // = 0x0144003e
- write32(mmio + 0x000e4210, 0x8074003e);
- read32(mmio + 0x000e4210); // = 0x5144003e
- read32(mmio + 0x000e4210); // = 0x5144003e
- write32(mmio + 0x000e4210, 0x5344003e);
- read32(mmio + 0x000e4210); // = 0x0144003e
- write32(mmio + 0x000e4210, 0x8074003e);
- read32(mmio + 0x000e4210); // = 0x5144003e
- read32(mmio + 0x000e4210); // = 0x5144003e
- write32(mmio + 0x000e4210, 0x5344003e);
- write32(mmio + 0x000e4f00, 0x0100030c);
- write32(mmio + 0x000e4f04, 0x00b8230c);
- write32(mmio + 0x000e4f08, 0x06f8930c);
- write32(mmio + 0x000e4f0c, 0x09f8e38e);
- write32(mmio + 0x000e4f10, 0x00b8030c);
- write32(mmio + 0x000e4f14, 0x0b78830c);
- write32(mmio + 0x000e4f18, 0x0ff8d3cf);
- write32(mmio + 0x000e4f1c, 0x01e8030c);
- write32(mmio + 0x000e4f20, 0x0ff863cf);
- write32(mmio + 0x000e4f24, 0x0ff803cf);
- write32(mmio + 0x000c4030, 0x00001000);
- read32(mmio + 0x000c4000); // = 0x00000000
- write32(mmio + 0x000c4030, 0x00001000);
- read32(mmio + 0x000e1150); // = 0x0000001c
- write32(mmio + 0x000e1150, 0x0000089c);
- write32(mmio + 0x000fcc00, 0x01986f00);
- write32(mmio + 0x000fcc0c, 0x01986f00);
- write32(mmio + 0x000fcc18, 0x01986f00);
- write32(mmio + 0x000fcc24, 0x01986f00);
- read32(mmio + 0x000c4000); // = 0x00000000
- read32(mmio + 0x000e1180); // = 0x40000002
-}
-
-static void intel_gma_init(const struct northbridge_intel_nehalem_config *info,
- u8 *mmio, u32 physbase, u16 piobase, u32 lfb)
-{
- int i;
- u8 edid_data[128];
- struct edid edid;
- struct edid_mode *mode;
- u32 hactive, vactive, right_border, bottom_border;
- int hpolarity, vpolarity;
- u32 vsync, hsync, vblank, hblank, hfront_porch, vfront_porch;
- u32 candp1, candn;
- u32 best_delta = 0xffffffff;
- u32 target_frequency;
- u32 pixel_p1 = 1;
- u32 pixel_n = 1;
- u32 pixel_m1 = 1;
- u32 pixel_m2 = 1;
- u32 link_frequency = info->gfx.link_frequency_270_mhz ? 270000 : 162000;
- u32 data_m1;
- u32 data_n1 = 0x00800000;
- u32 link_m1;
- u32 link_n1 = 0x00080000;
-
- write32(mmio + 0x00070080, 0x00000000);
- write32(mmio + DSPCNTR(0), 0x00000000);
- write32(mmio + 0x00071180, 0x00000000);
- write32(mmio + CPU_VGACNTRL, 0x0000298e | VGA_DISP_DISABLE);
- write32(mmio + 0x0007019c, 0x00000000);
- write32(mmio + 0x0007119c, 0x00000000);
- write32(mmio + 0x000fc008, 0x2c010000);
- write32(mmio + 0x000fc020, 0x2c010000);
- write32(mmio + 0x000fc038, 0x2c010000);
- write32(mmio + 0x000fc050, 0x2c010000);
- write32(mmio + 0x000fc408, 0x2c010000);
- write32(mmio + 0x000fc420, 0x2c010000);
- write32(mmio + 0x000fc438, 0x2c010000);
- write32(mmio + 0x000fc450, 0x2c010000);
- vga_gr_write(0x18, 0);
- write32(mmio + 0x00042004, 0x02000000);
- write32(mmio + 0x000fd034, 0x8421ffe0);
-
- /* Setup GTT. */
- for (i = 0; i < 0x2000; i++)
- {
- outl((i << 2) | 1, piobase);
- outl(physbase + (i << 12) + 1, piobase + 4);
- }
-
- vga_misc_write(0x67);
-
- const u8 cr[] = { 0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f,
- 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
- 0x9c, 0x8e, 0x8f, 0x28, 0x1f, 0x96, 0xb9, 0xa3,
- 0xff
- };
- vga_cr_write(0x11, 0);
-
- for (i = 0; i <= 0x18; i++)
- vga_cr_write(i, cr[i]);
-
- power_port(mmio);
-
- intel_gmbus_read_edid(mmio + PCH_GMBUS0, GMBUS_PORT_PANEL, 0x50,
- edid_data, sizeof(edid_data));
- intel_gmbus_stop(mmio + PCH_GMBUS0);
- decode_edid(edid_data,
- sizeof(edid_data), &edid);
- mode = &edid.mode;
-
- /* Disable screen memory to prevent garbage from appearing. */
- vga_sr_write(1, vga_sr_read(1) | 0x20);
-
- hactive = edid.x_resolution;
- vactive = edid.y_resolution;
- right_border = mode->hborder;
- bottom_border = mode->vborder;
- hpolarity = (mode->phsync == '-');
- vpolarity = (mode->pvsync == '-');
- vsync = mode->vspw;
- hsync = mode->hspw;
- vblank = mode->vbl;
- hblank = mode->hbl;
- hfront_porch = mode->hso;
- vfront_porch = mode->vso;
-
- target_frequency = mode->lvds_dual_channel ? mode->pixel_clock
- : (2 * mode->pixel_clock);
- vga_textmode_init();
-
- if (IS_ENABLED(CONFIG_LINEAR_FRAMEBUFFER)) {
- 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);
- }
-
- /* Find suitable divisors. */
- for (candp1 = 1; candp1 <= 8; candp1++) {
- for (candn = 5; candn <= 10; candn++) {
- u32 cur_frequency;
- u32 m; /* 77 - 131. */
- u32 denom; /* 35 - 560. */
- u32 current_delta;
-
- denom = candn * candp1 * 7;
- /* Doesn't overflow for up to
- 5000000 kHz = 5 GHz. */
- m = (target_frequency * denom + 60000) / 120000;
-
- if (m < 77 || m > 131)
- continue;
-
- cur_frequency = (120000 * m) / denom;
- if (target_frequency > cur_frequency)
- current_delta = target_frequency - cur_frequency;
- else
- current_delta = cur_frequency - target_frequency;
-
-
- if (best_delta > current_delta) {
- best_delta = current_delta;
- pixel_n = candn;
- pixel_p1 = candp1;
- pixel_m2 = ((m + 3) % 5) + 7;
- pixel_m1 = (m - pixel_m2) / 5;
- }
- }
- }
-
- if (best_delta == 0xffffffff) {
- printk (BIOS_ERR, "Couldn't find GFX clock divisors\n");
- return;
- }
-
- link_m1 = ((uint64_t)link_n1 * mode->pixel_clock) / link_frequency;
- data_m1 = ((uint64_t)data_n1 * 18 * mode->pixel_clock)
- / (link_frequency * 8 * 4);
-
- printk(BIOS_INFO, "bringing up panel at resolution %d x %d\n",
- hactive, vactive);
- printk(BIOS_DEBUG, "Borders %d x %d\n",
- right_border, bottom_border);
- printk(BIOS_DEBUG, "Blank %d x %d\n",
- hblank, vblank);
- printk(BIOS_DEBUG, "Sync %d x %d\n",
- hsync, vsync);
- printk(BIOS_DEBUG, "Front porch %d x %d\n",
- hfront_porch, vfront_porch);
- printk(BIOS_DEBUG, (info->gfx.use_spread_spectrum_clock
- ? "Spread spectrum clock\n" : "DREF clock\n"));
- printk(BIOS_DEBUG,
- mode->lvds_dual_channel ? "Dual channel\n" : "Single channel\n");
- printk(BIOS_DEBUG, "Polarities %d, %d\n",
- hpolarity, vpolarity);
- printk(BIOS_DEBUG, "Data M1=%d, N1=%d\n",
- data_m1, data_n1);
- printk(BIOS_DEBUG, "Link frequency %d kHz\n",
- link_frequency);
- printk(BIOS_DEBUG, "Link M1=%d, N1=%d\n",
- link_m1, link_n1);
- printk(BIOS_DEBUG, "Pixel N=%d, M1=%d, M2=%d, P1=%d\n",
- pixel_n, pixel_m1, pixel_m2, pixel_p1);
- printk(BIOS_DEBUG, "Pixel clock %d kHz\n",
- 120000 * (5 * pixel_m1 + pixel_m2) / pixel_n
- / (pixel_p1 * 7));
-
- write32(mmio + PCH_LVDS,
- (hpolarity << 20) | (vpolarity << 21)
- | (mode->lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL
- | LVDS_CLOCK_BOTH_POWERUP_ALL : 0)
- | LVDS_BORDER_ENABLE | LVDS_CLOCK_A_POWERUP_ALL
- | LVDS_DETECTED);
- write32(mmio + BLC_PWM_CPU_CTL2, (1 << 31));
- write32(mmio + PCH_DREF_CONTROL, (info->gfx.use_spread_spectrum_clock
- ? 0x1002 : 0x400));
- mdelay(1);
- write32(mmio + PCH_PP_CONTROL, PANEL_UNLOCK_REGS
- | (read32(mmio + PCH_PP_CONTROL) & ~PANEL_UNLOCK_MASK));
- write32(mmio + _PCH_FP0(0),
- ((pixel_n - 2) << 16)
- | ((pixel_m1 - 2) << 8) | pixel_m2);
- write32(mmio + _PCH_DPLL(0),
- DPLL_VCO_ENABLE | DPLLB_MODE_LVDS
- | (mode->lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7
- : DPLLB_LVDS_P2_CLOCK_DIV_14)
- | (0x10000 << (pixel_p1 - 1))
- | ((info->gfx.use_spread_spectrum_clock ? 3 : 0) << 13)
- | (0x1 << (pixel_p1 - 1)));
- mdelay(1);
- write32(mmio + _PCH_DPLL(0),
- DPLL_VCO_ENABLE | DPLLB_MODE_LVDS
- | (mode->lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7
- : DPLLB_LVDS_P2_CLOCK_DIV_14)
- | (0x10000 << (pixel_p1 - 1))
- | ((info->gfx.use_spread_spectrum_clock ? 3 : 0) << 13)
- | (0x1 << (pixel_p1 - 1)));
- /* Re-lock the registers. */
- write32(mmio + PCH_PP_CONTROL,
- (read32(mmio + PCH_PP_CONTROL) & ~PANEL_UNLOCK_MASK));
-
- write32(mmio + PCH_LVDS,
- (hpolarity << 20) | (vpolarity << 21)
- | (mode->lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL
- | LVDS_CLOCK_BOTH_POWERUP_ALL : 0)
- | LVDS_BORDER_ENABLE | LVDS_CLOCK_A_POWERUP_ALL
- | LVDS_DETECTED);
-
- write32(mmio + HTOTAL(0),
- ((hactive + right_border + hblank - 1) << 16)
- | (hactive - 1));
- write32(mmio + HBLANK(0),
- ((hactive + right_border + hblank - 1) << 16)
- | (hactive + right_border - 1));
- write32(mmio + HSYNC(0),
- ((hactive + right_border + hfront_porch + hsync - 1) << 16)
- | (hactive + right_border + hfront_porch - 1));
-
- write32(mmio + VTOTAL(0), ((vactive + bottom_border + vblank - 1) << 16)
- | (vactive - 1));
- write32(mmio + VBLANK(0), ((vactive + bottom_border + vblank - 1) << 16)
- | (vactive + bottom_border - 1));
- write32(mmio + VSYNC(0),
- (vactive + bottom_border + vfront_porch + vsync - 1)
- | (vactive + bottom_border + vfront_porch - 1));
-
- write32(mmio + PIPECONF(0), PIPECONF_DISABLE);
-
- write32(mmio + PF_WIN_POS(0), 0);
- if (IS_ENABLED(CONFIG_LINEAR_FRAMEBUFFER)) {
- write32(mmio + PIPESRC(0), (hactive - 1) << 16 | (vactive - 1));
- write32(mmio + PF_CTL(0), 0);
- write32(mmio + PF_WIN_SZ(0), 0);
- } 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));
- }
-
- mdelay(1);
-
- write32(mmio + PIPE_DATA_M1(0), 0x7e000000 | data_m1);
- write32(mmio + PIPE_DATA_N1(0), data_n1);
- write32(mmio + PIPE_LINK_M1(0), link_m1);
- write32(mmio + PIPE_LINK_N1(0), link_n1);
-
- write32(mmio + 0x000f000c, 0x00002040);
- mdelay(1);
- write32(mmio + 0x000f000c, 0x00002050);
- write32(mmio + 0x00060100, 0x00044000);
- mdelay(1);
- write32(mmio + PIPECONF(0), PIPECONF_BPP_6);
- write32(mmio + 0x000f0008, 0x00000040);
- write32(mmio + 0x000f000c, 0x00022050);
- 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_LINEAR_FRAMEBUFFER))
- write32(mmio + CPU_VGACNTRL, 0x20298e | VGA_DISP_DISABLE);
- else
- write32(mmio + CPU_VGACNTRL, 0x20298e);
-
- train_link(mmio);
-
- if (IS_ENABLED(CONFIG_LINEAR_FRAMEBUFFER)) {
- write32(mmio + DSPCNTR(0),
- DISPLAY_PLANE_ENABLE | DISPPLANE_BGRX888);
- mdelay(1);
- }
-
- write32(mmio + TRANS_HTOTAL(0),
- ((hactive + right_border + hblank - 1) << 16)
- | (hactive - 1));
- write32(mmio + TRANS_HBLANK(0),
- ((hactive + right_border + hblank - 1) << 16)
- | (hactive + right_border - 1));
- write32(mmio + TRANS_HSYNC(0),
- ((hactive + right_border + hfront_porch + hsync - 1) << 16)
- | (hactive + right_border + hfront_porch - 1));
-
- write32(mmio + TRANS_VTOTAL(0),
- ((vactive + bottom_border + vblank - 1) << 16)
- | (vactive - 1));
- write32(mmio + TRANS_VBLANK(0),
- ((vactive + bottom_border + vblank - 1) << 16)
- | (vactive + bottom_border - 1));
- write32(mmio + TRANS_VSYNC(0),
- (vactive + bottom_border + vfront_porch + vsync - 1)
- | (vactive + bottom_border + vfront_porch - 1));
-
- write32(mmio + 0x00060100, 0xb01c4000);
- write32(mmio + 0x000f000c, 0xb01a2050);
- mdelay(1);
- write32(mmio + TRANSCONF(0), TRANS_ENABLE | TRANS_6BPC |
- (IS_ENABLED(CONFIG_LINEAR_FRAMEBUFFER) ? TRANS_STATE_MASK : 0));
- write32(mmio + PCH_LVDS,
- LVDS_PORT_ENABLE
- | (hpolarity << 20) | (vpolarity << 21)
- | (mode->lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL
- | LVDS_CLOCK_BOTH_POWERUP_ALL : 0)
- | LVDS_BORDER_ENABLE | LVDS_CLOCK_A_POWERUP_ALL
- | LVDS_DETECTED);
-
- write32(mmio + PCH_PP_CONTROL, PANEL_UNLOCK_REGS | PANEL_POWER_OFF);
- write32(mmio + PCH_PP_CONTROL, PANEL_UNLOCK_REGS | PANEL_POWER_RESET);
- mdelay(1);
- write32(mmio + PCH_PP_CONTROL, PANEL_UNLOCK_REGS
- | PANEL_POWER_ON | PANEL_POWER_RESET);
-
- printk (BIOS_DEBUG, "waiting for panel powerup\n");
- while (1) {
- u32 reg32;
- reg32 = read32(mmio + PCH_PP_STATUS);
- if (((reg32 >> 28) & 3) == 0)
- break;
- }
- printk (BIOS_DEBUG, "panel powered up\n");
-
- write32(mmio + PCH_PP_CONTROL, PANEL_POWER_ON | PANEL_POWER_RESET);
-
- /* Enable screen memory. */
- vga_sr_write(1, vga_sr_read(1) & ~0x20);
-
- /* Clear interrupts. */
- write32(mmio + DEIIR, 0xffffffff);
- write32(mmio + SDEIIR, 0xffffffff);
-
- /* Doesn't change any hw behaviour but vga oprom expects it there. */
- write32(mmio + 0x0004f040, 0x01000008);
- write32(mmio + 0x0004f04c, 0x7f7f0000);
- write32(mmio + 0x0004f054, 0x0000020d);
-
- if (IS_ENABLED(CONFIG_LINEAR_FRAMEBUFFER)) {
- memset((void *)lfb, 0,
- edid.x_resolution * edid.y_resolution * 4);
- set_vbe_mode_info_valid(&edid, lfb);
- }
-}
-
/* Enable SCI to ACPI _GPE._L06 */
static void gma_enable_swsci(void)
{
@@ -1037,32 +602,12 @@ static void gma_func0_init(struct device *dev)
/* Init graphics power management */
gma_pm_init_pre_vbios(dev);
- if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) ||
- IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) {
- u32 physbase;
+ if (IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) {
struct northbridge_intel_nehalem_config *conf = dev->chip_info;
- 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);
- if (IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) {
- int lightup_ok;
- gma_gfxinit(&lightup_ok);
- } else {
- intel_gma_init(conf, res2mmio(gtt_res, 0, 0),
- physbase, pio_res->base, lfb_res->base);
- }
- }
+ int lightup_ok;
+ printk(BIOS_SPEW, "Initializing VGA without OPROM.");
+ gma_gfxinit(&lightup_ok);
/* Linux relies on VBT for panel info. */
generate_fake_intel_oprom(&conf->gfx, dev,
"$VBT IRONLAKE-MOBILE");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 13:54:02 +0000