diff options
author | Vladimir Serbinenko <phcoder@gmail.com> | 2014-08-30 00:35:39 +0200 |
---|---|---|
committer | Vladimir Serbinenko <phcoder@gmail.com> | 2014-09-13 14:27:03 +0200 |
commit | a71bdc318195b864c427cddc60e69a6145a8ab28 (patch) | |
tree | d81255e7c3338cb9a28d71b5713e61126c77ec9e /src/northbridge/intel/gm45/gma.c | |
parent | 85620db107d587a8341987162d403f4b7aee9a81 (diff) | |
download | coreboot-a71bdc318195b864c427cddc60e69a6145a8ab28.tar.xz |
intel/gma: consolidate vbt code
Change-Id: I80b7facfb9cc9f642dd1c766884dc23da1aab2c8
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6800
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src/northbridge/intel/gm45/gma.c')
-rw-r--r-- | src/northbridge/intel/gm45/gma.c | 126 |
1 files changed, 13 insertions, 113 deletions
diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c index 12a0b4dc9e..74e16ad2f1 100644 --- a/src/northbridge/intel/gm45/gma.c +++ b/src/northbridge/intel/gm45/gma.c @@ -39,31 +39,6 @@ #include <pc80/vga.h> #include <pc80/vga_io.h> -typedef struct { - u16 signature; - u8 size; - u8 reserved[21]; - u16 pcir_offset; - u16 vbt_offset; -} __attribute__((packed)) optionrom_header_t; - -#define OPROM_SIGNATURE 0xaa55 - -typedef struct { - u32 signature; - u16 vendor; - u16 device; - u16 reserved1; - u16 length; - u8 revision; - u8 classcode[3]; - u16 imagelength; - u16 coderevision; - u8 codetype; - u8 indicator; - u16 reserved2; -} __attribute__((packed)) optionrom_pcir_t; - static struct resource *gtt_res = NULL; void gtt_write(u32 reg, u32 data) @@ -144,7 +119,7 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, u32 pixel_n = 1; u32 pixel_m1 = 1; u32 pixel_m2 = 1; - u32 link_frequency = info->gpu_link_frequency_270_mhz ? 270000 : 162000; + u32 link_frequency = info->gfx.link_frequency_270_mhz ? 270000 : 162000; u32 data_m1; u32 data_n1 = 0x00800000; u32 link_m1; @@ -197,7 +172,7 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, hfront_porch = edid.hso; vfront_porch = edid.vso; - target_frequency = info->gpu_lvds_dual_channel ? edid.pixel_clock + target_frequency = info->gfx.lvds_dual_channel ? edid.pixel_clock : (2 * edid.pixel_clock); #if !IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE) vga_textmode_init(); @@ -267,7 +242,7 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, link_m1 = ((uint64_t)link_n1 * edid.pixel_clock) / link_frequency; data_m1 = ((uint64_t)data_n1 * 18 * edid.pixel_clock) - / (link_frequency * 8 * (info->gpu_lvds_num_lanes ? : 4)); + / (link_frequency * 8 * (info->gfx.lvds_num_lanes ? : 4)); printk(BIOS_INFO, "bringing up panel at resolution %d x %d\n", hactive, vactive); @@ -279,10 +254,10 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, hsync, vsync); printk(BIOS_DEBUG, "Front porch %d x %d\n", hfront_porch, vfront_porch); - printk(BIOS_DEBUG, (info->gpu_use_spread_spectrum_clock + printk(BIOS_DEBUG, (info->gfx.use_spread_spectrum_clock ? "Spread spectrum clock\n" : "DREF clock\n")); printk(BIOS_DEBUG, - info->gpu_lvds_dual_channel ? "Dual channel\n" : "Single channel\n"); + info->gfx.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", @@ -299,7 +274,7 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, write32(mmio + LVDS, (hpolarity << 20) | (vpolarity << 21) - | (info->gpu_lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL + | (info->gfx.lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL | LVDS_CLOCK_BOTH_POWERUP_ALL : 0) | LVDS_BORDER_ENABLE | LVDS_CLOCK_A_POWERUP_ALL); mdelay(1); @@ -310,18 +285,18 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, | ((pixel_m1 - 2) << 8) | pixel_m2); write32(mmio + DPLL(0), DPLL_VCO_ENABLE | DPLLB_MODE_LVDS - | (info->gpu_lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7 + | (info->gfx.lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7 : DPLLB_LVDS_P2_CLOCK_DIV_14) | (0x10000 << (pixel_p1 - 1)) - | ((info->gpu_use_spread_spectrum_clock ? 3 : 0) << 13) + | ((info->gfx.use_spread_spectrum_clock ? 3 : 0) << 13) | (0x1 << (pixel_p1 - 1))); mdelay(1); write32(mmio + DPLL(0), DPLL_VCO_ENABLE | DPLLB_MODE_LVDS - | (info->gpu_lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7 + | (info->gfx.lvds_dual_channel ? DPLLB_LVDS_P2_CLOCK_DIV_7 : DPLLB_LVDS_P2_CLOCK_DIV_14) | (0x10000 << (pixel_p1 - 1)) - | ((info->gpu_use_spread_spectrum_clock ? 3 : 0) << 13) + | ((info->gfx.use_spread_spectrum_clock ? 3 : 0) << 13) | (0x1 << (pixel_p1 - 1))); /* Re-lock the registers. */ write32(mmio + PP_CONTROL, @@ -329,7 +304,7 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, write32(mmio + LVDS, (hpolarity << 20) | (vpolarity << 21) - | (info->gpu_lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL + | (info->gfx.lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL | LVDS_CLOCK_BOTH_POWERUP_ALL : 0) | LVDS_BORDER_ENABLE | LVDS_CLOCK_A_POWERUP_ALL); @@ -423,7 +398,7 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, write32(mmio + LVDS, LVDS_PORT_ENABLE | (hpolarity << 20) | (vpolarity << 21) - | (info->gpu_lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL + | (info->gfx.lvds_dual_channel ? LVDS_CLOCK_B_POWERUP_ALL | LVDS_CLOCK_BOTH_POWERUP_ALL : 0) | LVDS_BORDER_ENABLE | LVDS_CLOCK_A_POWERUP_ALL); @@ -457,54 +432,6 @@ static void intel_gma_init(const struct northbridge_intel_gm45_config *info, #endif } -static size_t generate_vbt(const struct northbridge_intel_gm45_config *conf, - void *vbt) -{ - struct vbt_header *head = vbt; - struct bdb_header *bdb_head; - struct bdb_general_features *genfeat; - u8 *ptr; - - memset (head, 0, sizeof (*head)); - - memcpy (head->signature, "$VBT IRONLAKE-MOBILE", 20); - head->version = 100; - head->header_size = sizeof (*head); - head->bdb_offset = sizeof (*head); - - bdb_head = (struct bdb_header *) (head + 1); - memset (bdb_head, 0, sizeof (*bdb_head)); - memcpy (bdb_head->signature, "BIOS_DATA_BLOCK ", 16); - bdb_head->version = 0xa8; - bdb_head->header_size = sizeof (*bdb_head); - - ptr = (u8 *) (bdb_head + 1); - - ptr[0] = BDB_GENERAL_FEATURES; - ptr[1] = sizeof (*genfeat); - ptr[2] = sizeof (*genfeat) >> 8; - ptr += 3; - - genfeat = (struct bdb_general_features *) ptr; - memset (genfeat, 0, sizeof (*genfeat)); - genfeat->panel_fitting = 3; - genfeat->flexaim = 1; - genfeat->download_ext_vbt = 1; - genfeat->enable_ssc = conf->gpu_use_spread_spectrum_clock; - genfeat->ssc_freq = !conf->gpu_link_frequency_270_mhz; - genfeat->rsvd10 = 0x4; - genfeat->legacy_monitor_detect = 1; - genfeat->int_crt_support = 1; - genfeat->dp_ssc_enb = 1; - - ptr += sizeof (*genfeat); - - bdb_head->bdb_size = ptr - (u8 *)bdb_head; - head->vbt_size = ptr - (u8 *)head; - head->vbt_checksum = 0; - return ptr - (u8 *)head; -} - #endif static void gma_func0_init(struct device *dev) @@ -542,34 +469,7 @@ static void gma_func0_init(struct device *dev) } /* Linux relies on VBT for panel info. */ - if (read16(PCI_VGA_RAM_IMAGE_START) != PCI_ROM_HDR) { - optionrom_header_t *oh = (void *)PCI_VGA_RAM_IMAGE_START; - optionrom_pcir_t *pcir; - size_t vbt_size; - size_t fake_oprom_size; - - memset(oh, 0, 8192); - - oh->signature = PCI_ROM_HDR; - oh->pcir_offset = 0x40; - oh->vbt_offset = 0x80; - - pcir = (void *)(PCI_VGA_RAM_IMAGE_START + 0x40); - pcir->signature = 0x52494350; // PCIR - pcir->vendor = dev->vendor; - pcir->device = dev->device; - pcir->length = sizeof(*pcir); - pcir->revision = dev->class; - pcir->classcode[0] = dev->class >> 8; - pcir->classcode[1] = dev->class >> 16; - pcir->classcode[2] = dev->class >> 24; - pcir->indicator = 0x80; - - vbt_size = generate_vbt (conf, (void *)(PCI_VGA_RAM_IMAGE_START + 0x80)); - fake_oprom_size = (0x80 + vbt_size + 511) / 512; - oh->size = fake_oprom_size; - pcir->imagelength = fake_oprom_size; - } + generate_fake_intel_oprom(&conf->gfx, dev, "$VBT IRONLAKE-MOBILE"); #endif /* Post VBIOS init */ |