From 9bf45b43ee81ceed6c6545c6ccfb791cc28c8993 Mon Sep 17 00:00:00 2001 From: Angel Pons Date: Tue, 13 Oct 2020 01:12:06 +0200 Subject: soc/intel/broadwell/igd.c: Rename to gma.c This makes comparisons against Haswell a bit simpler. Change-Id: If1c937628f702c6765a5f36b6eaf4a3c3516359a Signed-off-by: Angel Pons Reviewed-on: https://review.coreboot.org/c/coreboot/+/46323 Tested-by: build bot (Jenkins) Reviewed-by: Matt DeVillier Reviewed-by: Tim Wawrzynczak --- src/soc/intel/broadwell/Makefile.inc | 2 +- src/soc/intel/broadwell/gma.c | 609 +++++++++++++++++++++++++++++++++++ src/soc/intel/broadwell/igd.c | 609 ----------------------------------- 3 files changed, 610 insertions(+), 610 deletions(-) create mode 100644 src/soc/intel/broadwell/gma.c delete mode 100644 src/soc/intel/broadwell/igd.c (limited to 'src/soc') diff --git a/src/soc/intel/broadwell/Makefile.inc b/src/soc/intel/broadwell/Makefile.inc index 28b7c2961e..786fe2ae5e 100644 --- a/src/soc/intel/broadwell/Makefile.inc +++ b/src/soc/intel/broadwell/Makefile.inc @@ -28,7 +28,7 @@ ramstage-y += gpio.c romstage-y += gpio.c smm-y += gpio.c ramstage-y += hda.c -ramstage-y += igd.c +ramstage-y += gma.c ramstage-y += iobp.c romstage-y += iobp.c ramstage-y += fadt.c diff --git a/src/soc/intel/broadwell/gma.c b/src/soc/intel/broadwell/gma.c new file mode 100644 index 0000000000..ba453cdb27 --- /dev/null +++ b/src/soc/intel/broadwell/gma.c @@ -0,0 +1,609 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define GT_RETRY 1000 +enum { + GT_CDCLK_DEFAULT = 0, + GT_CDCLK_337, + GT_CDCLK_450, + GT_CDCLK_540, + GT_CDCLK_675, +}; + +static u32 reg_em4; +static u32 reg_em5; + +u32 igd_get_reg_em4(void) { return reg_em4; } +u32 igd_get_reg_em5(void) { return reg_em5; } + +struct reg_script haswell_early_init_script[] = { + /* Enable Force Wake */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x00000020), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010001), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 1, GT_RETRY), + + /* Enable Counters */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa248, 0x00000016), + + /* GFXPAUSE settings */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa000, 0x00070020), + + /* ECO Settings */ + REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0xa180, 0xff3fffff, 0x15000000), + + /* Enable DOP Clock Gating */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x000003fd), + + /* Enable Unit Level Clock Gating */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0x00000080), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9404, 0x40401000), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9408, 0x00000000), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x940c, 0x02000001), + + /* + * RC6 Settings + */ + + /* Wake Rate Limits */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa090, 0x00000000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa098, 0x03e80000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa09c, 0x00280000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0a8, 0x0001e848), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0ac, 0x00000019), + + /* Render/Video/Blitter Idle Max Count */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x02054, 0x0000000a), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x12054, 0x0000000a), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x22054, 0x0000000a), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1a054, 0x0000000a), + + /* RC Sleep / RCx Thresholds */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b0, 0x00000000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b4, 0x000003e8), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b8, 0x0000c350), + + /* RP Settings */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa010, 0x000f4240), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa014, 0x12060000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa02c, 0x0000e808), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa030, 0x0003bd08), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa068, 0x000101d0), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa06c, 0x00055730), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa070, 0x0000000a), + + /* RP Control */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa024, 0x00000b92), + + /* HW RC6 Control */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa090, 0x88040000), + + /* Video Frequency Request */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa00c, 0x08000000), + + /* Set RC6 VIDs */ + REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138128, 0), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138124, 0x80000004), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), + + /* Enable PM Interrupts */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x4402c, 0x03000076), + + /* Enable RC6 in idle */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa094, 0x00040000), + + REG_SCRIPT_END +}; + +static const struct reg_script haswell_late_init_script[] = { + /* Lock settings */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a004, (1 << 4)), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a080, (1 << 2)), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)), + + /* Disable Force Wake */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00000001), + + /* Enable power well for DP and Audio */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400, + (1 << 30), (1 << 30), GT_RETRY), + + REG_SCRIPT_END +}; + +static const struct reg_script broadwell_early_init_script[] = { + /* Enable Force Wake */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010001), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 1, GT_RETRY), + + /* Enable push bus metric control and shift */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa248, 0x00000004), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa250, 0x000000ff), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa25c, 0x00000010), + + /* GFXPAUSE settings (set based on stepping) */ + + /* ECO Settings */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x45200000), + + /* Enable DOP Clock Gating */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x000000fd), + + /* Enable Unit Level Clock Gating */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0x00000000), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9404, 0x40401000), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9408, 0x00000000), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x940c, 0x02000001), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1a054, 0x0000000a), + + /* Video Frequency Request */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa00c, 0x08000000), + + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138158, 0x00000009), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x13815c, 0x0000000d), + + /* + * RC6 Settings + */ + + /* Wake Rate Limits */ + REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x0a090, 0, 0), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a098, 0x03e80000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a09c, 0x00280000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0a8, 0x0001e848), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0ac, 0x00000019), + + /* Render/Video/Blitter Idle Max Count */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x02054, 0x0000000a), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x12054, 0x0000000a), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x22054, 0x0000000a), + + /* RC Sleep / RCx Thresholds */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0b0, 0x00000000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0b8, 0x00000271), + + /* RP Settings */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a010, 0x000f4240), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a014, 0x12060000), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a02c, 0x0000e808), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a030, 0x0003bd08), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a068, 0x000101d0), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a06c, 0x00055730), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a070, 0x0000000a), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a168, 0x00000006), + + /* RP Control */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa024, 0x00000b92), + + /* HW RC6 Control */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa090, 0x90040000), + + /* Set RC6 VIDs */ + REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138128, 0), + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138124, 0x80000004), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), + + /* Enable PM Interrupts */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x4402c, 0x03000076), + + /* Enable RC6 in idle */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa094, 0x00040000), + + REG_SCRIPT_END +}; + +static const struct reg_script broadwell_late_init_script[] = { + /* Lock settings */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a000, (1 << 18)), + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)), + + /* Disable Force Wake */ + REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY), + + /* Enable power well for DP and Audio */ + REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)), + REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400, + (1 << 30), (1 << 30), GT_RETRY), + + REG_SCRIPT_END +}; + +u32 map_oprom_vendev(u32 vendev) +{ + return SA_IGD_OPROM_VENDEV; +} + +static struct resource *gtt_res = NULL; + +u32 gtt_read(u32 reg) +{ + u32 val; + val = read32(res2mmio(gtt_res, reg, 0)); + return val; + +} + +void gtt_write(u32 reg, u32 data) +{ + write32(res2mmio(gtt_res, reg, 0), data); +} + +static inline void gtt_rmw(u32 reg, u32 andmask, u32 ormask) +{ + u32 val = gtt_read(reg); + val &= andmask; + val |= ormask; + gtt_write(reg, val); +} + +int gtt_poll(u32 reg, u32 mask, u32 value) +{ unsigned int try = GT_RETRY; + u32 data; + + while (try--) { + data = gtt_read(reg); + if ((data & mask) == value) + return 1; + udelay(10); + } + + printk(BIOS_ERR, "GT init timeout\n"); + return 0; +} + +static void igd_setup_panel(struct device *dev) +{ + config_t *conf = config_of(dev); + u32 reg32; + + /* Setup Digital Port Hotplug */ + reg32 = gtt_read(PCH_PORT_HOTPLUG); + if (!reg32) { + reg32 = (conf->gpu_dp_b_hotplug & 0x7) << 2; + reg32 |= (conf->gpu_dp_c_hotplug & 0x7) << 10; + reg32 |= (conf->gpu_dp_d_hotplug & 0x7) << 18; + gtt_write(PCH_PORT_HOTPLUG, reg32); + } + + /* Setup Panel Power On Delays */ + reg32 = gtt_read(PCH_PP_ON_DELAYS); + if (!reg32) { + reg32 |= (conf->gpu_panel_power_up_delay & 0x1fff) << 16; + reg32 |= (conf->gpu_panel_power_backlight_on_delay & 0x1fff); + gtt_write(PCH_PP_ON_DELAYS, reg32); + } + + /* Setup Panel Power Off Delays */ + reg32 = gtt_read(PCH_PP_OFF_DELAYS); + if (!reg32) { + reg32 = (conf->gpu_panel_power_down_delay & 0x1fff) << 16; + reg32 |= (conf->gpu_panel_power_backlight_off_delay & 0x1fff); + gtt_write(PCH_PP_OFF_DELAYS, reg32); + } + + /* Setup Panel Power Cycle Delay */ + if (conf->gpu_panel_power_cycle_delay) { + reg32 = gtt_read(PCH_PP_DIVISOR); + reg32 &= ~0xff; + reg32 |= conf->gpu_panel_power_cycle_delay & 0xff; + gtt_write(PCH_PP_DIVISOR, reg32); + } + + /* So far all devices seem to use the PCH PWM function. + The CPU PWM registers are all zero after reset. */ + if (conf->gpu_pch_backlight_pwm_hz) { + /* For Lynx Point-LP: + Reference clock is 24MHz. We can choose either a 16 + or a 128 step increment. Use 16 if we would have less + than 100 steps otherwise. */ + const unsigned int hz_limit = 24 * 1000 * 1000 / 128 / 100; + unsigned int pwm_increment, pwm_period; + u32 south_chicken2; + + south_chicken2 = gtt_read(SOUTH_CHICKEN2); + if (conf->gpu_pch_backlight_pwm_hz > hz_limit) { + pwm_increment = 16; + south_chicken2 |= 1 << 5; + } else { + pwm_increment = 128; + south_chicken2 &= ~(1 << 5); + } + gtt_write(SOUTH_CHICKEN2, south_chicken2); + + pwm_period = 24 * 1000 * 1000 / pwm_increment / conf->gpu_pch_backlight_pwm_hz; + /* Start with a 50% duty cycle. */ + gtt_write(BLC_PWM_PCH_CTL2, pwm_period << 16 | pwm_period / 2); + + gtt_write(BLC_PWM_PCH_CTL1, + (conf->gpu_pch_backlight_polarity == GPU_BACKLIGHT_POLARITY_LOW) << 29 | + BLM_PCH_OVERRIDE_ENABLE | BLM_PCH_PWM_ENABLE); + } +} + +static int igd_get_cdclk_haswell(u32 *const cdsel, int *const inform_pc, + struct device *const dev) +{ + const config_t *const conf = config_of(dev); + int cdclk = conf->cdclk; + + /* Check for ULX GT1 or GT2 */ + const int devid = pci_read_config16(dev, PCI_DEVICE_ID); + const int gpu_is_ulx = devid == IGD_HASWELL_ULX_GT1 || + devid == IGD_HASWELL_ULX_GT2; + + /* Check for fixed fused clock */ + if (gtt_read(0x42014) & 1 << 24) + cdclk = GT_CDCLK_450; + + /* + * ULX defaults to 337MHz with possible override for 450MHz + * ULT is fixed at 450MHz + * others default to 540MHz with possible override for 450MHz + */ + if (gpu_is_ulx && cdclk <= GT_CDCLK_337) + cdclk = GT_CDCLK_337; + else if (gpu_is_ulx || cpu_is_ult() || + cdclk == GT_CDCLK_337 || cdclk == GT_CDCLK_450) + cdclk = GT_CDCLK_450; + else + cdclk = GT_CDCLK_540; + + *cdsel = cdclk != GT_CDCLK_450; + *inform_pc = gpu_is_ulx; + return cdclk; +} + +static int igd_get_cdclk_broadwell(u32 *const cdsel, int *const inform_pc, + struct device *const dev) +{ + static const u32 cdsel_by_cdclk[] = { 0, 2, 0, 1, 3 }; + const config_t *const conf = config_of(dev); + int cdclk = conf->cdclk; + + /* Check for ULX */ + const int devid = pci_read_config16(dev, PCI_DEVICE_ID); + const int gpu_is_ulx = devid == IGD_BROADWELL_Y_GT2; + + /* Inform power controller of upcoming frequency change */ + gtt_write(0x138128, 0); + gtt_write(0x13812c, 0); + gtt_write(0x138124, 0x80000018); + + /* Poll GT driver mailbox for run/busy clear */ + if (gtt_poll(0x138124, (1 << 31), (0 << 31))) { + *inform_pc = 1; + } else { + cdclk = GT_CDCLK_450; + *inform_pc = 0; + } + + /* Check for fixed fused clock */ + if (gtt_read(0x42014) & 1 << 24) + cdclk = GT_CDCLK_450; + + /* + * ULX defaults to 450MHz with possible override up to 540MHz + * ULT defaults to 540MHz with possible override up to 675MHz + * others default to 675MHz with possible override for lower freqs + */ + if (cdclk == GT_CDCLK_337) + cdclk = GT_CDCLK_337; + else if (cdclk == GT_CDCLK_450 || + (gpu_is_ulx && cdclk == GT_CDCLK_DEFAULT)) + cdclk = GT_CDCLK_450; + else if (cdclk == GT_CDCLK_540 || gpu_is_ulx || + (cpu_is_ult() && cdclk == GT_CDCLK_DEFAULT)) + cdclk = GT_CDCLK_540; + else + cdclk = GT_CDCLK_675; + + *cdsel = cdsel_by_cdclk[cdclk]; + return cdclk; +} + +static void igd_cdclk_init(struct device *dev, const int is_broadwell) +{ + u32 dpdiv, cdsel, cdval; + int cdclk, inform_pc; + + if (is_broadwell) + cdclk = igd_get_cdclk_broadwell(&cdsel, &inform_pc, dev); + else + cdclk = igd_get_cdclk_haswell(&cdsel, &inform_pc, dev); + + /* Set variables based on CD Clock setting */ + switch (cdclk) { + case GT_CDCLK_337: + cdval = 337; + dpdiv = 169; + reg_em4 = 16; + reg_em5 = 225; + break; + case GT_CDCLK_450: + cdval = 449; + dpdiv = 225; + reg_em4 = 4; + reg_em5 = 75; + break; + case GT_CDCLK_540: + cdval = 539; + dpdiv = 270; + reg_em4 = 4; + reg_em5 = 90; + break; + case GT_CDCLK_675: + cdval = 674; + dpdiv = 338; + reg_em4 = 8; + reg_em5 = 225; + default: + return; + } + + /* Set LPCLL_CTL CD Clock Frequency Select */ + gtt_rmw(0x130040, 0xf3ffffff, cdsel << 26); + + if (inform_pc) { + /* Inform power controller of selected frequency */ + gtt_write(0x138128, cdsel); + gtt_write(0x13812c, 0); + gtt_write(0x138124, 0x80000017); + } + + /* Program CD Clock Frequency */ + gtt_rmw(0x46200, 0xfffffc00, cdval); + + /* Set CPU DP AUX 2X bit clock dividers */ + gtt_rmw(0x64010, 0xfffff800, dpdiv); + gtt_rmw(0x64810, 0xfffff800, dpdiv); +} + +static void igd_init(struct device *dev) +{ + int is_broadwell = !!(cpu_family_model() == BROADWELL_FAMILY_ULT); + u32 rp1_gfx_freq; + + intel_gma_init_igd_opregion(); + + gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0); + if (!gtt_res || !gtt_res->base) + return; + + if (!CONFIG(NO_GFX_INIT)) + pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER); + + /* Wait for any configured pre-graphics delay */ + if (!acpi_is_wakeup_s3()) { +#if CONFIG(CHROMEOS) + if (display_init_required()) + mdelay(CONFIG_PRE_GRAPHICS_DELAY); +#else + mdelay(CONFIG_PRE_GRAPHICS_DELAY); +#endif + } + + /* Early init steps */ + if (is_broadwell) { + reg_script_run_on_dev(dev, broadwell_early_init_script); + + /* Set GFXPAUSE based on stepping */ + if (cpu_stepping() <= (CPUID_BROADWELL_E0 & 0xf) && + systemagent_revision() <= 9) { + gtt_write(0xa000, 0x300ff); + } else { + gtt_write(0xa000, 0x30020); + } + } else { + reg_script_run_on_dev(dev, haswell_early_init_script); + } + + /* Set RP1 graphics frequency */ + rp1_gfx_freq = (MCHBAR32(0x5998) >> 8) & 0xff; + gtt_write(0xa008, rp1_gfx_freq << 24); + + /* Post VBIOS panel setup */ + igd_setup_panel(dev); + + /* Initialize PCI device, load/execute BIOS Option ROM */ + pci_dev_init(dev); + + /* Late init steps */ + igd_cdclk_init(dev, is_broadwell); + if (is_broadwell) + reg_script_run_on_dev(dev, broadwell_late_init_script); + else + reg_script_run_on_dev(dev, haswell_late_init_script); + + if (gfx_get_init_done()) { + /* + * Work around VBIOS issue that is not clearing first 64 + * bytes of the framebuffer during VBE mode set. + */ + struct resource *fb = find_resource(dev, PCI_BASE_ADDRESS_2); + memset((void *)((u32)fb->base), 0, 64); + } + + if (!gfx_get_init_done() && !acpi_is_wakeup_s3()) { + /* + * Enable DDI-A if the Option ROM did not execute: + * + * bit 0: Display detected (RO) + * bit 4: DDI A supports 4 lanes and DDI E is not used + * bit 7: DDI buffer is idle + */ + gtt_write(DDI_BUF_CTL_A, DDI_BUF_IS_IDLE | DDI_A_4_LANES | + DDI_INIT_DISPLAY_DETECTED); + } + + if (CONFIG(MAINBOARD_USE_LIBGFXINIT)) { + int lightup_ok; + gma_gfxinit(&lightup_ok); + gfx_set_init_done(lightup_ok); + } +} + +static void gma_generate_ssdt(const struct device *dev) +{ + const struct soc_intel_broadwell_config *chip = dev->chip_info; + + drivers_intel_gma_displays_ssdt_generate(&chip->gfx); +} + +static struct device_operations igd_ops = { + .read_resources = &pci_dev_read_resources, + .set_resources = &pci_dev_set_resources, + .enable_resources = &pci_dev_enable_resources, + .init = &igd_init, + .ops_pci = &broadwell_pci_ops, + .acpi_fill_ssdt = gma_generate_ssdt, +}; + +static const unsigned short pci_device_ids[] = { + IGD_HASWELL_ULT_GT1, + IGD_HASWELL_ULT_GT2, + IGD_HASWELL_ULT_GT3, + IGD_BROADWELL_U_GT1, + IGD_BROADWELL_U_GT2, + IGD_BROADWELL_U_GT3_15W, + IGD_BROADWELL_U_GT3_28W, + IGD_BROADWELL_Y_GT2, + IGD_BROADWELL_H_GT2, + IGD_BROADWELL_H_GT3, + 0, +}; + +static const struct pci_driver igd_driver __pci_driver = { + .ops = &igd_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; diff --git a/src/soc/intel/broadwell/igd.c b/src/soc/intel/broadwell/igd.c deleted file mode 100644 index ba453cdb27..0000000000 --- a/src/soc/intel/broadwell/igd.c +++ /dev/null @@ -1,609 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define GT_RETRY 1000 -enum { - GT_CDCLK_DEFAULT = 0, - GT_CDCLK_337, - GT_CDCLK_450, - GT_CDCLK_540, - GT_CDCLK_675, -}; - -static u32 reg_em4; -static u32 reg_em5; - -u32 igd_get_reg_em4(void) { return reg_em4; } -u32 igd_get_reg_em5(void) { return reg_em5; } - -struct reg_script haswell_early_init_script[] = { - /* Enable Force Wake */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x00000020), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010001), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 1, GT_RETRY), - - /* Enable Counters */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa248, 0x00000016), - - /* GFXPAUSE settings */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa000, 0x00070020), - - /* ECO Settings */ - REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0xa180, 0xff3fffff, 0x15000000), - - /* Enable DOP Clock Gating */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x000003fd), - - /* Enable Unit Level Clock Gating */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0x00000080), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9404, 0x40401000), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9408, 0x00000000), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x940c, 0x02000001), - - /* - * RC6 Settings - */ - - /* Wake Rate Limits */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa090, 0x00000000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa098, 0x03e80000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa09c, 0x00280000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0a8, 0x0001e848), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0ac, 0x00000019), - - /* Render/Video/Blitter Idle Max Count */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x02054, 0x0000000a), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x12054, 0x0000000a), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x22054, 0x0000000a), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1a054, 0x0000000a), - - /* RC Sleep / RCx Thresholds */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b0, 0x00000000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b4, 0x000003e8), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa0b8, 0x0000c350), - - /* RP Settings */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa010, 0x000f4240), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa014, 0x12060000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa02c, 0x0000e808), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa030, 0x0003bd08), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa068, 0x000101d0), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa06c, 0x00055730), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa070, 0x0000000a), - - /* RP Control */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa024, 0x00000b92), - - /* HW RC6 Control */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa090, 0x88040000), - - /* Video Frequency Request */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa00c, 0x08000000), - - /* Set RC6 VIDs */ - REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138128, 0), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138124, 0x80000004), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), - - /* Enable PM Interrupts */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x4402c, 0x03000076), - - /* Enable RC6 in idle */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa094, 0x00040000), - - REG_SCRIPT_END -}; - -static const struct reg_script haswell_late_init_script[] = { - /* Lock settings */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a004, (1 << 4)), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a080, (1 << 2)), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)), - - /* Disable Force Wake */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00000001), - - /* Enable power well for DP and Audio */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400, - (1 << 30), (1 << 30), GT_RETRY), - - REG_SCRIPT_END -}; - -static const struct reg_script broadwell_early_init_script[] = { - /* Enable Force Wake */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010001), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 1, GT_RETRY), - - /* Enable push bus metric control and shift */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa248, 0x00000004), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa250, 0x000000ff), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa25c, 0x00000010), - - /* GFXPAUSE settings (set based on stepping) */ - - /* ECO Settings */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x45200000), - - /* Enable DOP Clock Gating */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x000000fd), - - /* Enable Unit Level Clock Gating */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0x00000000), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9404, 0x40401000), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9408, 0x00000000), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x940c, 0x02000001), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1a054, 0x0000000a), - - /* Video Frequency Request */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa00c, 0x08000000), - - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138158, 0x00000009), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x13815c, 0x0000000d), - - /* - * RC6 Settings - */ - - /* Wake Rate Limits */ - REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x0a090, 0, 0), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a098, 0x03e80000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a09c, 0x00280000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0a8, 0x0001e848), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0ac, 0x00000019), - - /* Render/Video/Blitter Idle Max Count */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x02054, 0x0000000a), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x12054, 0x0000000a), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x22054, 0x0000000a), - - /* RC Sleep / RCx Thresholds */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0b0, 0x00000000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a0b8, 0x00000271), - - /* RP Settings */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a010, 0x000f4240), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a014, 0x12060000), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a02c, 0x0000e808), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a030, 0x0003bd08), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a068, 0x000101d0), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a06c, 0x00055730), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a070, 0x0000000a), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a168, 0x00000006), - - /* RP Control */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa024, 0x00000b92), - - /* HW RC6 Control */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa090, 0x90040000), - - /* Set RC6 VIDs */ - REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138128, 0), - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x138124, 0x80000004), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x138124, (1 << 31), 0, GT_RETRY), - - /* Enable PM Interrupts */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x4402c, 0x03000076), - - /* Enable RC6 in idle */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa094, 0x00040000), - - REG_SCRIPT_END -}; - -static const struct reg_script broadwell_late_init_script[] = { - /* Lock settings */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a248, (1 << 31)), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a000, (1 << 18)), - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x0a180, (1 << 31)), - - /* Disable Force Wake */ - REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa188, 0x00010000), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, FORCEWAKE_ACK_HSW, 1, 0, GT_RETRY), - - /* Enable power well for DP and Audio */ - REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x45400, (1 << 31)), - REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x45400, - (1 << 30), (1 << 30), GT_RETRY), - - REG_SCRIPT_END -}; - -u32 map_oprom_vendev(u32 vendev) -{ - return SA_IGD_OPROM_VENDEV; -} - -static struct resource *gtt_res = NULL; - -u32 gtt_read(u32 reg) -{ - u32 val; - val = read32(res2mmio(gtt_res, reg, 0)); - return val; - -} - -void gtt_write(u32 reg, u32 data) -{ - write32(res2mmio(gtt_res, reg, 0), data); -} - -static inline void gtt_rmw(u32 reg, u32 andmask, u32 ormask) -{ - u32 val = gtt_read(reg); - val &= andmask; - val |= ormask; - gtt_write(reg, val); -} - -int gtt_poll(u32 reg, u32 mask, u32 value) -{ unsigned int try = GT_RETRY; - u32 data; - - while (try--) { - data = gtt_read(reg); - if ((data & mask) == value) - return 1; - udelay(10); - } - - printk(BIOS_ERR, "GT init timeout\n"); - return 0; -} - -static void igd_setup_panel(struct device *dev) -{ - config_t *conf = config_of(dev); - u32 reg32; - - /* Setup Digital Port Hotplug */ - reg32 = gtt_read(PCH_PORT_HOTPLUG); - if (!reg32) { - reg32 = (conf->gpu_dp_b_hotplug & 0x7) << 2; - reg32 |= (conf->gpu_dp_c_hotplug & 0x7) << 10; - reg32 |= (conf->gpu_dp_d_hotplug & 0x7) << 18; - gtt_write(PCH_PORT_HOTPLUG, reg32); - } - - /* Setup Panel Power On Delays */ - reg32 = gtt_read(PCH_PP_ON_DELAYS); - if (!reg32) { - reg32 |= (conf->gpu_panel_power_up_delay & 0x1fff) << 16; - reg32 |= (conf->gpu_panel_power_backlight_on_delay & 0x1fff); - gtt_write(PCH_PP_ON_DELAYS, reg32); - } - - /* Setup Panel Power Off Delays */ - reg32 = gtt_read(PCH_PP_OFF_DELAYS); - if (!reg32) { - reg32 = (conf->gpu_panel_power_down_delay & 0x1fff) << 16; - reg32 |= (conf->gpu_panel_power_backlight_off_delay & 0x1fff); - gtt_write(PCH_PP_OFF_DELAYS, reg32); - } - - /* Setup Panel Power Cycle Delay */ - if (conf->gpu_panel_power_cycle_delay) { - reg32 = gtt_read(PCH_PP_DIVISOR); - reg32 &= ~0xff; - reg32 |= conf->gpu_panel_power_cycle_delay & 0xff; - gtt_write(PCH_PP_DIVISOR, reg32); - } - - /* So far all devices seem to use the PCH PWM function. - The CPU PWM registers are all zero after reset. */ - if (conf->gpu_pch_backlight_pwm_hz) { - /* For Lynx Point-LP: - Reference clock is 24MHz. We can choose either a 16 - or a 128 step increment. Use 16 if we would have less - than 100 steps otherwise. */ - const unsigned int hz_limit = 24 * 1000 * 1000 / 128 / 100; - unsigned int pwm_increment, pwm_period; - u32 south_chicken2; - - south_chicken2 = gtt_read(SOUTH_CHICKEN2); - if (conf->gpu_pch_backlight_pwm_hz > hz_limit) { - pwm_increment = 16; - south_chicken2 |= 1 << 5; - } else { - pwm_increment = 128; - south_chicken2 &= ~(1 << 5); - } - gtt_write(SOUTH_CHICKEN2, south_chicken2); - - pwm_period = 24 * 1000 * 1000 / pwm_increment / conf->gpu_pch_backlight_pwm_hz; - /* Start with a 50% duty cycle. */ - gtt_write(BLC_PWM_PCH_CTL2, pwm_period << 16 | pwm_period / 2); - - gtt_write(BLC_PWM_PCH_CTL1, - (conf->gpu_pch_backlight_polarity == GPU_BACKLIGHT_POLARITY_LOW) << 29 | - BLM_PCH_OVERRIDE_ENABLE | BLM_PCH_PWM_ENABLE); - } -} - -static int igd_get_cdclk_haswell(u32 *const cdsel, int *const inform_pc, - struct device *const dev) -{ - const config_t *const conf = config_of(dev); - int cdclk = conf->cdclk; - - /* Check for ULX GT1 or GT2 */ - const int devid = pci_read_config16(dev, PCI_DEVICE_ID); - const int gpu_is_ulx = devid == IGD_HASWELL_ULX_GT1 || - devid == IGD_HASWELL_ULX_GT2; - - /* Check for fixed fused clock */ - if (gtt_read(0x42014) & 1 << 24) - cdclk = GT_CDCLK_450; - - /* - * ULX defaults to 337MHz with possible override for 450MHz - * ULT is fixed at 450MHz - * others default to 540MHz with possible override for 450MHz - */ - if (gpu_is_ulx && cdclk <= GT_CDCLK_337) - cdclk = GT_CDCLK_337; - else if (gpu_is_ulx || cpu_is_ult() || - cdclk == GT_CDCLK_337 || cdclk == GT_CDCLK_450) - cdclk = GT_CDCLK_450; - else - cdclk = GT_CDCLK_540; - - *cdsel = cdclk != GT_CDCLK_450; - *inform_pc = gpu_is_ulx; - return cdclk; -} - -static int igd_get_cdclk_broadwell(u32 *const cdsel, int *const inform_pc, - struct device *const dev) -{ - static const u32 cdsel_by_cdclk[] = { 0, 2, 0, 1, 3 }; - const config_t *const conf = config_of(dev); - int cdclk = conf->cdclk; - - /* Check for ULX */ - const int devid = pci_read_config16(dev, PCI_DEVICE_ID); - const int gpu_is_ulx = devid == IGD_BROADWELL_Y_GT2; - - /* Inform power controller of upcoming frequency change */ - gtt_write(0x138128, 0); - gtt_write(0x13812c, 0); - gtt_write(0x138124, 0x80000018); - - /* Poll GT driver mailbox for run/busy clear */ - if (gtt_poll(0x138124, (1 << 31), (0 << 31))) { - *inform_pc = 1; - } else { - cdclk = GT_CDCLK_450; - *inform_pc = 0; - } - - /* Check for fixed fused clock */ - if (gtt_read(0x42014) & 1 << 24) - cdclk = GT_CDCLK_450; - - /* - * ULX defaults to 450MHz with possible override up to 540MHz - * ULT defaults to 540MHz with possible override up to 675MHz - * others default to 675MHz with possible override for lower freqs - */ - if (cdclk == GT_CDCLK_337) - cdclk = GT_CDCLK_337; - else if (cdclk == GT_CDCLK_450 || - (gpu_is_ulx && cdclk == GT_CDCLK_DEFAULT)) - cdclk = GT_CDCLK_450; - else if (cdclk == GT_CDCLK_540 || gpu_is_ulx || - (cpu_is_ult() && cdclk == GT_CDCLK_DEFAULT)) - cdclk = GT_CDCLK_540; - else - cdclk = GT_CDCLK_675; - - *cdsel = cdsel_by_cdclk[cdclk]; - return cdclk; -} - -static void igd_cdclk_init(struct device *dev, const int is_broadwell) -{ - u32 dpdiv, cdsel, cdval; - int cdclk, inform_pc; - - if (is_broadwell) - cdclk = igd_get_cdclk_broadwell(&cdsel, &inform_pc, dev); - else - cdclk = igd_get_cdclk_haswell(&cdsel, &inform_pc, dev); - - /* Set variables based on CD Clock setting */ - switch (cdclk) { - case GT_CDCLK_337: - cdval = 337; - dpdiv = 169; - reg_em4 = 16; - reg_em5 = 225; - break; - case GT_CDCLK_450: - cdval = 449; - dpdiv = 225; - reg_em4 = 4; - reg_em5 = 75; - break; - case GT_CDCLK_540: - cdval = 539; - dpdiv = 270; - reg_em4 = 4; - reg_em5 = 90; - break; - case GT_CDCLK_675: - cdval = 674; - dpdiv = 338; - reg_em4 = 8; - reg_em5 = 225; - default: - return; - } - - /* Set LPCLL_CTL CD Clock Frequency Select */ - gtt_rmw(0x130040, 0xf3ffffff, cdsel << 26); - - if (inform_pc) { - /* Inform power controller of selected frequency */ - gtt_write(0x138128, cdsel); - gtt_write(0x13812c, 0); - gtt_write(0x138124, 0x80000017); - } - - /* Program CD Clock Frequency */ - gtt_rmw(0x46200, 0xfffffc00, cdval); - - /* Set CPU DP AUX 2X bit clock dividers */ - gtt_rmw(0x64010, 0xfffff800, dpdiv); - gtt_rmw(0x64810, 0xfffff800, dpdiv); -} - -static void igd_init(struct device *dev) -{ - int is_broadwell = !!(cpu_family_model() == BROADWELL_FAMILY_ULT); - u32 rp1_gfx_freq; - - intel_gma_init_igd_opregion(); - - gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0); - if (!gtt_res || !gtt_res->base) - return; - - if (!CONFIG(NO_GFX_INIT)) - pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER); - - /* Wait for any configured pre-graphics delay */ - if (!acpi_is_wakeup_s3()) { -#if CONFIG(CHROMEOS) - if (display_init_required()) - mdelay(CONFIG_PRE_GRAPHICS_DELAY); -#else - mdelay(CONFIG_PRE_GRAPHICS_DELAY); -#endif - } - - /* Early init steps */ - if (is_broadwell) { - reg_script_run_on_dev(dev, broadwell_early_init_script); - - /* Set GFXPAUSE based on stepping */ - if (cpu_stepping() <= (CPUID_BROADWELL_E0 & 0xf) && - systemagent_revision() <= 9) { - gtt_write(0xa000, 0x300ff); - } else { - gtt_write(0xa000, 0x30020); - } - } else { - reg_script_run_on_dev(dev, haswell_early_init_script); - } - - /* Set RP1 graphics frequency */ - rp1_gfx_freq = (MCHBAR32(0x5998) >> 8) & 0xff; - gtt_write(0xa008, rp1_gfx_freq << 24); - - /* Post VBIOS panel setup */ - igd_setup_panel(dev); - - /* Initialize PCI device, load/execute BIOS Option ROM */ - pci_dev_init(dev); - - /* Late init steps */ - igd_cdclk_init(dev, is_broadwell); - if (is_broadwell) - reg_script_run_on_dev(dev, broadwell_late_init_script); - else - reg_script_run_on_dev(dev, haswell_late_init_script); - - if (gfx_get_init_done()) { - /* - * Work around VBIOS issue that is not clearing first 64 - * bytes of the framebuffer during VBE mode set. - */ - struct resource *fb = find_resource(dev, PCI_BASE_ADDRESS_2); - memset((void *)((u32)fb->base), 0, 64); - } - - if (!gfx_get_init_done() && !acpi_is_wakeup_s3()) { - /* - * Enable DDI-A if the Option ROM did not execute: - * - * bit 0: Display detected (RO) - * bit 4: DDI A supports 4 lanes and DDI E is not used - * bit 7: DDI buffer is idle - */ - gtt_write(DDI_BUF_CTL_A, DDI_BUF_IS_IDLE | DDI_A_4_LANES | - DDI_INIT_DISPLAY_DETECTED); - } - - if (CONFIG(MAINBOARD_USE_LIBGFXINIT)) { - int lightup_ok; - gma_gfxinit(&lightup_ok); - gfx_set_init_done(lightup_ok); - } -} - -static void gma_generate_ssdt(const struct device *dev) -{ - const struct soc_intel_broadwell_config *chip = dev->chip_info; - - drivers_intel_gma_displays_ssdt_generate(&chip->gfx); -} - -static struct device_operations igd_ops = { - .read_resources = &pci_dev_read_resources, - .set_resources = &pci_dev_set_resources, - .enable_resources = &pci_dev_enable_resources, - .init = &igd_init, - .ops_pci = &broadwell_pci_ops, - .acpi_fill_ssdt = gma_generate_ssdt, -}; - -static const unsigned short pci_device_ids[] = { - IGD_HASWELL_ULT_GT1, - IGD_HASWELL_ULT_GT2, - IGD_HASWELL_ULT_GT3, - IGD_BROADWELL_U_GT1, - IGD_BROADWELL_U_GT2, - IGD_BROADWELL_U_GT3_15W, - IGD_BROADWELL_U_GT3_28W, - IGD_BROADWELL_Y_GT2, - IGD_BROADWELL_H_GT2, - IGD_BROADWELL_H_GT3, - 0, -}; - -static const struct pci_driver igd_driver __pci_driver = { - .ops = &igd_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .devices = pci_device_ids, -}; -- cgit v1.2.3