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Diffstat (limited to 'src/soc/intel/braswell/gfx.c')
-rw-r--r--src/soc/intel/braswell/gfx.c350
1 files changed, 33 insertions, 317 deletions
diff --git a/src/soc/intel/braswell/gfx.c b/src/soc/intel/braswell/gfx.c
index bf38d2e29c..703746d136 100644
--- a/src/soc/intel/braswell/gfx.c
+++ b/src/soc/intel/braswell/gfx.c
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -17,250 +18,28 @@
* Foundation, Inc.
*/
+#include "chip.h"
#include <arch/io.h>
#include <console/console.h>
-#include <delay.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <reg_script.h>
-#include <stdlib.h>
-
#include <soc/gfx.h>
-#include <soc/iosf.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
-#include "chip.h"
-
-#define GFX_TIMEOUT 100000 /* 100ms */
-
-/*
- * Lock Power Context Base Register to point to a 24KB block
- * of memory in GSM. Power context save data is stored here.
- */
-static void gfx_lock_pcbase(device_t dev)
-{
- struct resource *res = find_resource(dev, PCI_BASE_ADDRESS_0);
- const u16 gms_size_map[17] = { 0,32,64,96,128,160,192,224,256,
- 288,320,352,384,416,448,480,512 };
- u32 pcsize = 24 << 10; /* 24KB */
- u32 wopcmsz = 0x100000; /* PAVP offset */
- u32 gms, gmsize, pcbase;
-
- gms = pci_read_config32(dev, GGC) & GGC_GSM_SIZE_MASK;
- gms >>= 3;
- if (gms > ARRAY_SIZE(gms_size_map))
- return;
- gmsize = gms_size_map[gms];
-
- /* PcBase = BDSM + GMS Size - WOPCMSZ - PowerContextSize */
- pcbase = pci_read_config32(dev, GSM_BASE) & 0xfff00000;
- pcbase += (gmsize-1) * wopcmsz - pcsize;
- pcbase |= 1; /* Lock */
-
- write32((u32 *)(uintptr_t)(res->base + 0x182120), pcbase);
-}
-
-static const struct reg_script gfx_init_script[] = {
- /* Allow-Wake render/media wells */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x130090, ~1, 1),
- REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x130094, 1, 1, GFX_TIMEOUT),
- /* Render Force-Wake */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1300b0, 0x80008000),
- REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x1300b4, 0x8000, 0x8000,
- GFX_TIMEOUT),
- /* Media Force-Wake */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1300b8, 0x80008000),
- REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x1300bc, 0x8000, 0x8000,
- GFX_TIMEOUT),
- /* Workaround - X0:261954/A0:261955 */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x182060, ~0xf, 1),
-
- /*
- * PowerMeter Weights
- */
-
- /* SET1 */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA800, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA804, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA808, 0x0000ff0A),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA80C, 0x1D000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA810, 0xAC004900),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA814, 0x000F0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA818, 0x5A000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA81C, 0x2600001F),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA820, 0x00090000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA824, 0x2000ff00),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA828, 0xff090016),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA82C, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA830, 0x00000100),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA834, 0x00A00F51),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA838, 0x000B0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA83C, 0xcb7D3307),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA840, 0x003C0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA844, 0xFFFF0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA848, 0x00220000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA84c, 0x43000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA850, 0x00000800),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA854, 0x00000F00),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA858, 0x00000021),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA85c, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA860, 0x00190000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xAA80, 0x00FF00FF),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xAA84, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x1300A4, 0x00000000),
- /* SET2 */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA900, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA904, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA908, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa90c, 0x1D000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa910, 0xAC005000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa914, 0x000F0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa918, 0x5A000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa91c, 0x2600001F),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa920, 0x00090000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa924, 0x2000ff00),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa928, 0xff090016),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa92c, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa930, 0x00000100),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa934, 0x00A00F51),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xa938, 0x000B0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA93C, 0xcb7D3307),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA940, 0x003C0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA944, 0xFFFF0000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA948, 0x00220000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA94C, 0x43000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA950, 0x00000800),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA954, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA960, 0x00000000),
- /* SET3 */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xaa3c, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xaa54, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xaa60, 0x00000000),
- /* Enable PowerMeter Counters */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA248, 0x00000058),
-
- /* Program PUNIT_GPU_EC_VIRUS based on DPTF SDP */
- /* SDP Profile 4 == 0x11940, others 0xcf08 */
- REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_GPU_EC_VIRUS, 0xcf08),
-
- /* GfxPause */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa000, 0x00071388),
-
- /* Dynamic EU Control Settings */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa080, 0x00000004),
-
- /* Lock ECO Bit Settings */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa180, 0x80000000),
-
- /* DOP Clock Gating */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9424, 0x00000001),
-
- /* MBCunit will send the VCR (Fuse) writes as NP-W */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, 0x907c, 0xfffeffff, 0x00010000),
-
- /*
- * RC6 Settings
- */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA090, 0x00000000),
- /* RC1e - RC6/6p - RC6pp Wake Rate Limits */
- 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),
- /* RC Sleep / RCx Thresholds */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA0B0, 0x00000000),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA0B8, 0x00000557),
-
- /*
- * Turbo Settings
- */
-
- /* Render/Video/Blitter Idle Max Count */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x2054, 0x0000000A),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x12054, 0x0000000A),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0x22054, 0x0000000A),
- /* RP Down Timeout */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA010, 0x000F4240),
-
- /*
- * Turbo Control Settings
- */
-
- /* RP Up/Down Threshold */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA02C, 0x0000E8E8),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA030, 0x0003BD08),
- /* RP Up/Down EI */
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA068, 0x000101D0),
- REG_RES_OR32(PCI_BASE_ADDRESS_0, 0xA06C, 0x00055730),
-
- /* RP Idle Hysteresis */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa070, 0x0000000a),
-
- /* HW RC6 Control Settings */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa090, 0x11000000),
-
- /* RP Control */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa024, 0x00000592),
-
- /* Enable PM Interrupts */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x44024, 0x03000000),
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x4402c, 0x03000076),
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0xa168, 0x0000007e),
-
- /* Aggressive Clock Gating */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9400, 0),
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9404, 0),
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x9408, 0),
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x940c, 0),
-
- /* Enable Gfx Turbo. */
- REG_IOSF_RMW(IOSF_PORT_PMC, SB_BIOS_CONFIG,
- ~SB_BIOS_CONFIG_GFX_TURBO_DIS, 0),
- REG_SCRIPT_END
-};
-
static const struct reg_script gpu_pre_vbios_script[] = {
/* Make sure GFX is bus master with MMIO access */
REG_PCI_OR32(PCI_COMMAND, PCI_COMMAND_MASTER|PCI_COMMAND_MEMORY),
- /* Display */
- REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xc0),
- REG_IOSF_POLL(IOSF_PORT_PMC, PUNIT_PWRGT_STATUS, 0xc0, 0xc0,
- GFX_TIMEOUT),
- /* Tx/Rx Lanes */
- REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xfff0c0),
- REG_IOSF_POLL(IOSF_PORT_PMC, PUNIT_PWRGT_STATUS, 0xfff0c0, 0xfff0c0,
- GFX_TIMEOUT),
- /* Common Lane */
- REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xfffcc0),
- REG_IOSF_POLL(IOSF_PORT_PMC, PUNIT_PWRGT_STATUS, 0xfffcc0, 0xfffcc0,
- GFX_TIMEOUT),
- /* Ungating Tx only */
- REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xf00cc0),
- REG_IOSF_POLL(IOSF_PORT_PMC, PUNIT_PWRGT_STATUS, 0xfffcc0, 0xf00cc0,
- GFX_TIMEOUT),
- /* Ungating Common Lane only */
- REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xf000c0),
- REG_IOSF_POLL(IOSF_PORT_PMC, PUNIT_PWRGT_STATUS, 0xffffc0, 0xf000c0,
- GFX_TIMEOUT),
- /* Ungating Display */
- REG_IOSF_WRITE(IOSF_PORT_PMC, PUNIT_PWRGT_CONTROL, 0xf00000),
- REG_IOSF_POLL(IOSF_PORT_PMC, PUNIT_PWRGT_STATUS, 0xfffff0, 0xf00000,
- GFX_TIMEOUT),
REG_SCRIPT_END
};
static const struct reg_script gfx_post_vbios_script[] = {
- /* Deassert Render Force-Wake */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1300b0, 0x80000000),
- REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x1300b4, 0x8000, 0, GFX_TIMEOUT),
- /* Deassert Media Force-Wake */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, 0x1300b8, 0x80000000),
- REG_RES_POLL32(PCI_BASE_ADDRESS_0, 0x1300bc, 0x8000, 0, GFX_TIMEOUT),
/* Set Lock bits */
- REG_PCI_RMW32(GGC, 0xffffffff, 1),
- REG_PCI_RMW32(GSM_BASE, 0xffffffff, 1),
- REG_PCI_RMW32(GTT_BASE, 0xffffffff, 1),
+ REG_PCI_RMW32(GGC, 0xffffffff, GGC_GGCLCK),
+ REG_PCI_RMW32(GSM_BASE, 0xffffffff, GSM_BDSM_LOCK),
+ REG_PCI_RMW32(GTT_BASE, 0xffffffff, GTT_BGSM_LOCK),
REG_SCRIPT_END
};
@@ -271,111 +50,28 @@ static inline void gfx_run_script(device_t dev, const struct reg_script *ops)
static void gfx_pre_vbios_init(device_t dev)
{
+ printk(BIOS_SPEW, "%s/%s ( %s )\n",
+ __FILE__, __func__, dev_name(dev));
printk(BIOS_INFO, "GFX: Pre VBIOS Init\n");
gfx_run_script(dev, gpu_pre_vbios_script);
}
-static void gfx_pm_init(device_t dev)
-{
- printk(BIOS_INFO, "GFX: Power Management Init\n");
- gfx_run_script(dev, gfx_init_script);
-
- /* Lock power context base */
- gfx_lock_pcbase(dev);
-}
-
static void gfx_post_vbios_init(device_t dev)
{
+ printk(BIOS_SPEW, "%s/%s ( %s )\n",
+ __FILE__, __func__, dev_name(dev));
printk(BIOS_INFO, "GFX: Post VBIOS Init\n");
gfx_run_script(dev, gfx_post_vbios_script);
}
-static void set_backlight_pwm(device_t dev, uint32_t bklt_reg, int req_hz)
-{
- int divider;
- struct resource *res;
-
- res = find_resource(dev, PCI_BASE_ADDRESS_0);
-
- if (res == NULL)
- return;
-
- /* Default to 200 Hz if nothing is set. */
- if (req_hz == 0)
- req_hz = 200;
-
- /* Base clock is 25MHz */
- divider = 25 * 1000 * 1000 / (16 * req_hz);
-
- /* Do not set duty cycle (lower 16 bits). Just set the divider. */
- write32((u32 *)(uintptr_t)(res->base + bklt_reg), divider << 16);
-}
-
-static void gfx_panel_setup(device_t dev)
-{
- struct soc_intel_baytrail_config *config = dev->chip_info;
- struct reg_script gfx_pipea_init[] = {
- /* CONTROL */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, PIPEA_REG(PP_CONTROL),
- PP_CONTROL_UNLOCK | PP_CONTROL_EDP_FORCE_VDD),
- /* POWER ON */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, PIPEA_REG(PP_ON_DELAYS),
- (config->gpu_pipea_port_select << 30 |
- config->gpu_pipea_power_on_delay << 16 |
- config->gpu_pipea_light_on_delay)),
- /* POWER OFF */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, PIPEA_REG(PP_OFF_DELAYS),
- (config->gpu_pipea_power_off_delay << 16 |
- config->gpu_pipea_light_off_delay)),
- /* DIVISOR */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, PIPEA_REG(PP_DIVISOR),
- ~0x1f, config->gpu_pipea_power_cycle_delay),
- REG_SCRIPT_END
- };
- struct reg_script gfx_pipeb_init[] = {
- /* CONTROL */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, PIPEB_REG(PP_CONTROL),
- PP_CONTROL_UNLOCK | PP_CONTROL_EDP_FORCE_VDD),
- /* POWER ON */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, PIPEB_REG(PP_ON_DELAYS),
- (config->gpu_pipeb_port_select << 30 |
- config->gpu_pipeb_power_on_delay << 16 |
- config->gpu_pipeb_light_on_delay)),
- /* POWER OFF */
- REG_RES_WRITE32(PCI_BASE_ADDRESS_0, PIPEB_REG(PP_OFF_DELAYS),
- (config->gpu_pipeb_power_off_delay << 16 |
- config->gpu_pipeb_light_off_delay)),
- /* DIVISOR */
- REG_RES_RMW32(PCI_BASE_ADDRESS_0, PIPEB_REG(PP_DIVISOR),
- ~0x1f, config->gpu_pipeb_power_cycle_delay),
- REG_SCRIPT_END
- };
-
- if (config->gpu_pipea_port_select) {
- printk(BIOS_INFO, "GFX: Initialize PIPEA\n");
- reg_script_run_on_dev(dev, gfx_pipea_init);
- set_backlight_pwm(dev, PIPEA_REG(BACKLIGHT_CTL),
- config->gpu_pipea_pwm_freq_hz);
- }
-
- if (config->gpu_pipeb_port_select) {
- printk(BIOS_INFO, "GFX: Initialize PIPEB\n");
- reg_script_run_on_dev(dev, gfx_pipeb_init);
- set_backlight_pwm(dev, PIPEB_REG(BACKLIGHT_CTL),
- config->gpu_pipeb_pwm_freq_hz);
- }
-}
-
static void gfx_init(device_t dev)
{
+ printk(BIOS_SPEW, "%s/%s ( %s )\n",
+ __FILE__, __func__, dev_name(dev));
+
/* Pre VBIOS Init */
gfx_pre_vbios_init(dev);
- /* Power Management Init */
- gfx_pm_init(dev);
-
- gfx_panel_setup(dev);
-
/* Run VBIOS */
pci_dev_init(dev);
@@ -383,8 +79,28 @@ static void gfx_init(device_t dev)
gfx_post_vbios_init(dev);
}
+static void gfx_read_resources(device_t dev)
+{
+ printk(BIOS_SPEW, "%s/%s ( %s )\n",
+ __FILE__, __func__, dev_name(dev));
+
+ pci_dev_read_resources(dev);
+
+#if IS_ENABLED(CONFIG_MARK_GRAPHICS_MEM_WRCOMB)
+ struct resource *res;
+
+ /* Set the graphics memory to write combining. */
+ res = find_resource(dev, PCI_BASE_ADDRESS_2);
+ if (res == NULL) {
+ printk(BIOS_DEBUG, "GFX: memory resource not found.\n");
+ return;
+ }
+ res->flags |= IORESOURCE_WRCOMB;
+#endif
+}
+
static struct device_operations gfx_device_ops = {
- .read_resources = pci_dev_read_resources,
+ .read_resources = gfx_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = gfx_init,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 19:31:30 +0000