diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-05-08 13:19:26 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-05-08 13:19:26 -0400 |
| commit | 5ff51ea83f9fdd836e830c77e3561eaef4b83183 (patch) | |
| tree | f7187c0003586f1e8f2abab95debde4601e83199 | |
| parent | 76fdae9018330aa5af0d57339baff3ca4834e1b5 (diff) | |
R7xx: add support for reading disabled bios images
| -rw-r--r-- | src/radeon_bios.c | 59 | ||||
| -rw-r--r-- | src/radeon_reg.h | 5 |
2 files changed, 62 insertions, 2 deletions
diff --git a/src/radeon_bios.c b/src/radeon_bios.c index 9b5cb88a..9907e09c 100644 --- a/src/radeon_bios.c +++ b/src/radeon_bios.c @@ -107,7 +107,62 @@ radeon_read_disabled_bios(ScrnInfoPtr pScrn) xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Attempting to read un-POSTed bios\n"); - if (info->ChipFamily >= CHIP_FAMILY_R600) { + if (info->ChipFamily >= CHIP_FAMILY_RV770) { + uint32_t viph_control = INREG(RADEON_VIPH_CONTROL); + uint32_t bus_cntl = INREG(RADEON_BUS_CNTL); + uint32_t d1vga_control = INREG(AVIVO_D1VGA_CONTROL); + uint32_t d2vga_control = INREG(AVIVO_D2VGA_CONTROL); + uint32_t vga_render_control = INREG(AVIVO_VGA_RENDER_CONTROL); + uint32_t rom_cntl = INREG(R600_ROM_CNTL); + uint32_t cg_spll_func_cntl = 0; + uint32_t cg_spll_status; + + /* disable VIP */ + OUTREG(RADEON_VIPH_CONTROL, (viph_control & ~RADEON_VIPH_EN)); + + /* enable the rom */ + OUTREG(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM)); + + /* Disable VGA mode */ + OUTREG(AVIVO_D1VGA_CONTROL, (d1vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE | + AVIVO_DVGA_CONTROL_TIMING_SELECT))); + OUTREG(AVIVO_D2VGA_CONTROL, (d2vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE | + AVIVO_DVGA_CONTROL_TIMING_SELECT))); + OUTREG(AVIVO_VGA_RENDER_CONTROL, (vga_render_control & ~AVIVO_VGA_VSTATUS_CNTL_MASK)); + + if (info->ChipFamily == CHIP_FAMILY_RV730) { + cg_spll_func_cntl = INREG(R600_CG_SPLL_FUNC_CNTL); + + /* enable bypass mode */ + OUTREG(R600_CG_SPLL_FUNC_CNTL, (cg_spll_func_cntl | R600_SPLL_BYPASS_EN)); + + /* wait for SPLL_CHG_STATUS to change to 1 */ + cg_spll_status = 0; + while (!(cg_spll_status & R600_SPLL_CHG_STATUS)) + cg_spll_status = INREG(R600_CG_SPLL_STATUS); + + OUTREG(R600_ROM_CNTL, (rom_cntl & ~R600_SCK_OVERWRITE)); + } else + OUTREG(R600_ROM_CNTL, (rom_cntl | R600_SCK_OVERWRITE)); + + ret = radeon_read_bios(pScrn); + + /* restore regs */ + if (info->ChipFamily == CHIP_FAMILY_RV730) { + OUTREG(R600_CG_SPLL_FUNC_CNTL, cg_spll_func_cntl); + + /* wait for SPLL_CHG_STATUS to change to 1 */ + cg_spll_status = 0; + while (!(cg_spll_status & R600_SPLL_CHG_STATUS)) + cg_spll_status = INREG(R600_CG_SPLL_STATUS); + } + OUTREG(RADEON_VIPH_CONTROL, viph_control); + OUTREG(RADEON_BUS_CNTL, bus_cntl); + OUTREG(AVIVO_D1VGA_CONTROL, d1vga_control); + OUTREG(AVIVO_D2VGA_CONTROL, d2vga_control); + OUTREG(AVIVO_VGA_RENDER_CONTROL, vga_render_control); + OUTREG(R600_ROM_CNTL, rom_cntl); + } else if (info->ChipFamily >= CHIP_FAMILY_R600) { uint32_t viph_control = INREG(RADEON_VIPH_CONTROL); uint32_t bus_cntl = INREG(RADEON_BUS_CNTL); uint32_t d1vga_control = INREG(AVIVO_D1VGA_CONTROL); @@ -127,7 +182,7 @@ radeon_read_disabled_bios(ScrnInfoPtr pScrn) /* enable the rom */ OUTREG(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM)); - /* Disable VGA mode */ + /* Disable VGA mode */ OUTREG(AVIVO_D1VGA_CONTROL, (d1vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE | AVIVO_DVGA_CONTROL_TIMING_SELECT))); OUTREG(AVIVO_D2VGA_CONTROL, (d2vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE | diff --git a/src/radeon_reg.h b/src/radeon_reg.h index c418a256..248cb427 100644 --- a/src/radeon_reg.h +++ b/src/radeon_reg.h @@ -4094,6 +4094,11 @@ # define R600_SCK_PRESCALE_CRYSTAL_CLK_SHIFT 28 # define R600_SCK_PRESCALE_CRYSTAL_CLK_MASK (0xf << 28) +#define R600_CG_SPLL_FUNC_CNTL 0x600 +# define R600_SPLL_BYPASS_EN (1 << 3) +#define R600_CG_SPLL_STATUS 0x60c +# define R600_SPLL_CHG_STATUS (1 << 1) + #define R600_BIOS_0_SCRATCH 0x1724 #define R600_BIOS_1_SCRATCH 0x1728 #define R600_BIOS_2_SCRATCH 0x172c |