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intel/gma: consolidate vbt code

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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>
This commit is contained in:
Vladimir Serbinenko
2014-08-30 00:35:39 +02:00
parent 85620db107
commit a71bdc3181
25 changed files with 287 additions and 533 deletions
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126
src/northbridge/intel/gm45/gma.c
View File

@@ -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 */