+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2014 Google, Inc
*
* David Mosberger-Tang
*
* Copyright 1997 -- 1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
-
- * SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <bios_emul.h>
+#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <pci.h>
#include <pci_rom.h>
#include <vbe.h>
+#include <video.h>
#include <video_fb.h>
+#include <linux/screen_info.h>
-#ifdef CONFIG_HAVE_ACPI_RESUME
-#include <asm/acpi.h>
+#ifdef CONFIG_X86
+#include <asm/acpi_s3.h>
+DECLARE_GLOBAL_DATA_PTR;
#endif
-__weak bool board_should_run_oprom(pci_dev_t dev)
+__weak bool board_should_run_oprom(struct udevice *dev)
{
+#if defined(CONFIG_X86) && defined(CONFIG_HAVE_ACPI_RESUME)
+ if (gd->arch.prev_sleep_state == ACPI_S3) {
+ if (IS_ENABLED(CONFIG_S3_VGA_ROM_RUN))
+ return true;
+ else
+ return false;
+ }
+#endif
+
return true;
}
-static bool should_load_oprom(pci_dev_t dev)
+__weak bool board_should_load_oprom(struct udevice *dev)
{
-#ifdef CONFIG_HAVE_ACPI_RESUME
- if (acpi_get_slp_type() == 3)
- return false;
-#endif
- if (IS_ENABLED(CONFIG_ALWAYS_LOAD_OPROM))
- return 1;
- if (board_should_run_oprom(dev))
- return 1;
-
- return 0;
+ return true;
}
__weak uint32_t board_map_oprom_vendev(uint32_t vendev)
return vendev;
}
-static int pci_rom_probe(pci_dev_t dev, uint class,
- struct pci_rom_header **hdrp)
+static int pci_rom_probe(struct udevice *dev, struct pci_rom_header **hdrp)
{
+ struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
struct pci_rom_header *rom_header;
struct pci_rom_data *rom_data;
- u16 vendor, device;
+ u16 rom_vendor, rom_device;
+ u32 rom_class;
u32 vendev;
u32 mapped_vendev;
u32 rom_address;
- pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
- pci_read_config_word(dev, PCI_DEVICE_ID, &device);
- vendev = vendor << 16 | device;
+ vendev = pplat->vendor << 16 | pplat->device;
mapped_vendev = board_map_oprom_vendev(vendev);
if (vendev != mapped_vendev)
debug("Device ID mapped to %#08x\n", mapped_vendev);
-#ifdef CONFIG_X86_OPTION_ROM_ADDR
- rom_address = CONFIG_X86_OPTION_ROM_ADDR;
+#ifdef CONFIG_VGA_BIOS_ADDR
+ rom_address = CONFIG_VGA_BIOS_ADDR;
#else
- pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK);
- pci_read_config_dword(dev, PCI_ROM_ADDRESS, &rom_address);
+
+ dm_pci_read_config32(dev, PCI_ROM_ADDRESS, &rom_address);
if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
debug("%s: rom_address=%x\n", __func__, rom_address);
return -ENOENT;
}
/* Enable expansion ROM address decoding. */
- pci_write_config_dword(dev, PCI_ROM_ADDRESS,
- rom_address | PCI_ROM_ADDRESS_ENABLE);
+ dm_pci_write_config32(dev, PCI_ROM_ADDRESS,
+ rom_address | PCI_ROM_ADDRESS_ENABLE);
#endif
debug("Option ROM address %x\n", rom_address);
- rom_header = (struct pci_rom_header *)rom_address;
+ rom_header = (struct pci_rom_header *)(unsigned long)rom_address;
debug("PCI expansion ROM, signature %#04x, INIT size %#04x, data ptr %#04x\n",
- le32_to_cpu(rom_header->signature),
- rom_header->size * 512, le32_to_cpu(rom_header->data));
+ le16_to_cpu(rom_header->signature),
+ rom_header->size * 512, le16_to_cpu(rom_header->data));
- if (le32_to_cpu(rom_header->signature) != PCI_ROM_HDR) {
+ if (le16_to_cpu(rom_header->signature) != PCI_ROM_HDR) {
printf("Incorrect expansion ROM header signature %04x\n",
- le32_to_cpu(rom_header->signature));
+ le16_to_cpu(rom_header->signature));
+#ifndef CONFIG_VGA_BIOS_ADDR
+ /* Disable expansion ROM address decoding */
+ dm_pci_write_config32(dev, PCI_ROM_ADDRESS, rom_address);
+#endif
return -EINVAL;
}
- rom_data = (((void *)rom_header) + le32_to_cpu(rom_header->data));
+ rom_data = (((void *)rom_header) + le16_to_cpu(rom_header->data));
+ rom_vendor = le16_to_cpu(rom_data->vendor);
+ rom_device = le16_to_cpu(rom_data->device);
debug("PCI ROM image, vendor ID %04x, device ID %04x,\n",
- rom_data->vendor, rom_data->device);
+ rom_vendor, rom_device);
/* If the device id is mapped, a mismatch is expected */
- if ((vendor != rom_data->vendor || device != rom_data->device) &&
+ if ((pplat->vendor != rom_vendor || pplat->device != rom_device) &&
(vendev == mapped_vendev)) {
printf("ID mismatch: vendor ID %04x, device ID %04x\n",
- rom_data->vendor, rom_data->device);
- return -EPERM;
+ rom_vendor, rom_device);
+ /* Continue anyway */
}
- debug("PCI ROM image, Class Code %04x%02x, Code Type %02x\n",
- rom_data->class_hi, rom_data->class_lo, rom_data->type);
+ rom_class = (le16_to_cpu(rom_data->class_hi) << 8) | rom_data->class_lo;
+ debug("PCI ROM image, Class Code %06x, Code Type %02x\n",
+ rom_class, rom_data->type);
- if (class != ((rom_data->class_hi << 8) | rom_data->class_lo)) {
- debug("Class Code mismatch ROM %08x, dev %08x\n",
- (rom_data->class_hi << 8) | rom_data->class_lo,
- class);
+ if (pplat->class != rom_class) {
+ debug("Class Code mismatch ROM %06x, dev %06x\n",
+ rom_class, pplat->class);
}
*hdrp = rom_header;
return 0;
}
-int pci_rom_load(uint16_t class, struct pci_rom_header *rom_header,
- struct pci_rom_header **ram_headerp)
+/**
+ * pci_rom_load() - Load a ROM image and return a pointer to it
+ *
+ * @rom_header: Pointer to ROM image
+ * @ram_headerp: Returns a pointer to the image in RAM
+ * @allocedp: Returns true if @ram_headerp was allocated and needs
+ * to be freed
+ * @return 0 if OK, -ve on error. Note that @allocedp is set up regardless of
+ * the error state. Even if this function returns an error, it may have
+ * allocated memory.
+ */
+static int pci_rom_load(struct pci_rom_header *rom_header,
+ struct pci_rom_header **ram_headerp, bool *allocedp)
{
struct pci_rom_data *rom_data;
unsigned int rom_size;
unsigned int image_size = 0;
void *target;
+ *allocedp = false;
do {
/* Get next image, until we see an x86 version */
rom_header = (struct pci_rom_header *)((void *)rom_header +
image_size);
rom_data = (struct pci_rom_data *)((void *)rom_header +
- le32_to_cpu(rom_header->data));
+ le16_to_cpu(rom_header->data));
- image_size = le32_to_cpu(rom_data->ilen) * 512;
- } while ((rom_data->type != 0) && (rom_data->indicator != 0));
+ image_size = le16_to_cpu(rom_data->ilen) * 512;
+ } while ((rom_data->type != 0) && (rom_data->indicator == 0));
if (rom_data->type != 0)
return -EACCES;
rom_size = rom_header->size * 512;
+#ifdef PCI_VGA_RAM_IMAGE_START
target = (void *)PCI_VGA_RAM_IMAGE_START;
+#else
+ target = (void *)malloc(rom_size);
+ if (!target)
+ return -ENOMEM;
+ *allocedp = true;
+#endif
if (target != rom_header) {
ulong start = get_timer(0);
return 0;
}
-static struct vbe_mode_info mode_info;
+struct vbe_mode_info mode_info;
-int vbe_get_video_info(struct graphic_device *gdev)
+void setup_video(struct screen_info *screen_info)
{
-#ifdef CONFIG_FRAMEBUFFER_SET_VESA_MODE
struct vesa_mode_info *vesa = &mode_info.vesa;
- gdev->winSizeX = vesa->x_resolution;
- gdev->winSizeY = vesa->y_resolution;
-
- gdev->plnSizeX = vesa->x_resolution;
- gdev->plnSizeY = vesa->y_resolution;
-
- gdev->gdfBytesPP = vesa->bits_per_pixel / 8;
-
- switch (vesa->bits_per_pixel) {
- case 24:
- gdev->gdfIndex = GDF_32BIT_X888RGB;
- break;
- case 16:
- gdev->gdfIndex = GDF_16BIT_565RGB;
- break;
- default:
- gdev->gdfIndex = GDF__8BIT_INDEX;
- break;
- }
-
- gdev->isaBase = CONFIG_SYS_ISA_IO_BASE_ADDRESS;
- gdev->pciBase = vesa->phys_base_ptr;
-
- gdev->frameAdrs = vesa->phys_base_ptr;
- gdev->memSize = vesa->bytes_per_scanline * vesa->y_resolution;
-
- gdev->vprBase = vesa->phys_base_ptr;
- gdev->cprBase = vesa->phys_base_ptr;
-
- return gdev->winSizeX ? 0 : -ENOSYS;
-#else
- return -ENOSYS;
-#endif
+ /* Sanity test on VESA parameters */
+ if (!vesa->x_resolution || !vesa->y_resolution)
+ return;
+
+ screen_info->orig_video_isVGA = VIDEO_TYPE_VLFB;
+
+ screen_info->lfb_width = vesa->x_resolution;
+ screen_info->lfb_height = vesa->y_resolution;
+ screen_info->lfb_depth = vesa->bits_per_pixel;
+ screen_info->lfb_linelength = vesa->bytes_per_scanline;
+ screen_info->lfb_base = vesa->phys_base_ptr;
+ screen_info->lfb_size =
+ ALIGN(screen_info->lfb_linelength * screen_info->lfb_height,
+ 65536);
+ screen_info->lfb_size >>= 16;
+ screen_info->red_size = vesa->red_mask_size;
+ screen_info->red_pos = vesa->red_mask_pos;
+ screen_info->green_size = vesa->green_mask_size;
+ screen_info->green_pos = vesa->green_mask_pos;
+ screen_info->blue_size = vesa->blue_mask_size;
+ screen_info->blue_pos = vesa->blue_mask_pos;
+ screen_info->rsvd_size = vesa->reserved_mask_size;
+ screen_info->rsvd_pos = vesa->reserved_mask_pos;
}
-int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
+int dm_pci_run_vga_bios(struct udevice *dev, int (*int15_handler)(void),
+ int exec_method)
{
- struct pci_rom_header *rom, *ram;
+ struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
+ struct pci_rom_header *rom = NULL, *ram = NULL;
int vesa_mode = -1;
- uint16_t class;
+ bool emulate, alloced;
int ret;
/* Only execute VGA ROMs */
- pci_read_config_word(dev, PCI_CLASS_DEVICE, &class);
- if ((class ^ PCI_CLASS_DISPLAY_VGA) & 0xff00) {
- debug("%s: Class %#x, should be %#x\n", __func__, class,
+ if (((pplat->class >> 8) ^ PCI_CLASS_DISPLAY_VGA) & 0xff00) {
+ debug("%s: Class %#x, should be %#x\n", __func__, pplat->class,
PCI_CLASS_DISPLAY_VGA);
return -ENODEV;
}
- if (!should_load_oprom(dev))
+ if (!board_should_load_oprom(dev))
return -ENXIO;
- ret = pci_rom_probe(dev, class, &rom);
+ ret = pci_rom_probe(dev, &rom);
if (ret)
return ret;
- ret = pci_rom_load(class, rom, &ram);
+ ret = pci_rom_load(rom, &ram, &alloced);
if (ret)
- return ret;
+ goto err;
- if (!board_should_run_oprom(dev))
- return -ENXIO;
+ if (!board_should_run_oprom(dev)) {
+ ret = -ENXIO;
+ goto err;
+ }
#if defined(CONFIG_FRAMEBUFFER_SET_VESA_MODE) && \
defined(CONFIG_FRAMEBUFFER_VESA_MODE)
vesa_mode = CONFIG_FRAMEBUFFER_VESA_MODE;
#endif
debug("Selected vesa mode %#x\n", vesa_mode);
+
+ if (exec_method & PCI_ROM_USE_NATIVE) {
+#ifdef CONFIG_X86
+ emulate = false;
+#else
+ if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) {
+ printf("BIOS native execution is only available on x86\n");
+ ret = -ENOSYS;
+ goto err;
+ }
+ emulate = true;
+#endif
+ } else {
+#ifdef CONFIG_BIOSEMU
+ emulate = true;
+#else
+ if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) {
+ printf("BIOS emulation not available - see CONFIG_BIOSEMU\n");
+ ret = -ENOSYS;
+ goto err;
+ }
+ emulate = false;
+#endif
+ }
+
if (emulate) {
#ifdef CONFIG_BIOSEMU
BE_VGAInfo *info;
ret = biosemu_setup(dev, &info);
if (ret)
- return ret;
+ goto err;
biosemu_set_interrupt_handler(0x15, int15_handler);
- ret = biosemu_run(dev, (uchar *)ram, 1 << 16, info, true,
- vesa_mode, &mode_info);
+ ret = biosemu_run(dev, (uchar *)ram, 1 << 16, info,
+ true, vesa_mode, &mode_info);
if (ret)
- return ret;
-#else
- printf("BIOS emulation not available - see CONFIG_BIOSEMU\n");
- return -ENOSYS;
+ goto err;
#endif
} else {
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86) && CONFIG_IS_ENABLED(X86_32BIT_INIT)
bios_set_interrupt_handler(0x15, int15_handler);
bios_run_on_x86(dev, (unsigned long)ram, vesa_mode,
&mode_info);
-#else
- printf("BIOS native execution is only available on x86\n");
- return -ENOSYS;
#endif
}
debug("Final vesa mode %#x\n", mode_info.video_mode);
+ ret = 0;
+
+err:
+ if (alloced)
+ free(ram);
+ return ret;
+}
+
+#ifdef CONFIG_DM_VIDEO
+int vbe_setup_video_priv(struct vesa_mode_info *vesa,
+ struct video_priv *uc_priv,
+ struct video_uc_platdata *plat)
+{
+ if (!vesa->x_resolution)
+ return -ENXIO;
+ uc_priv->xsize = vesa->x_resolution;
+ uc_priv->ysize = vesa->y_resolution;
+ switch (vesa->bits_per_pixel) {
+ case 32:
+ case 24:
+ uc_priv->bpix = VIDEO_BPP32;
+ break;
+ case 16:
+ uc_priv->bpix = VIDEO_BPP16;
+ break;
+ default:
+ return -EPROTONOSUPPORT;
+ }
+ plat->base = vesa->phys_base_ptr;
+ plat->size = vesa->bytes_per_scanline * vesa->y_resolution;
return 0;
}
+
+int vbe_setup_video(struct udevice *dev, int (*int15_handler)(void))
+{
+ struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
+ struct video_priv *uc_priv = dev_get_uclass_priv(dev);
+ int ret;
+
+ /* If we are running from EFI or coreboot, this can't work */
+ if (!ll_boot_init()) {
+ printf("Not available (previous bootloader prevents it)\n");
+ return -EPERM;
+ }
+ bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display");
+ ret = dm_pci_run_vga_bios(dev, int15_handler, PCI_ROM_USE_NATIVE |
+ PCI_ROM_ALLOW_FALLBACK);
+ bootstage_accum(BOOTSTAGE_ID_ACCUM_LCD);
+ if (ret) {
+ debug("failed to run video BIOS: %d\n", ret);
+ return ret;
+ }
+
+ ret = vbe_setup_video_priv(&mode_info.vesa, uc_priv, plat);
+ if (ret) {
+ debug("No video mode configured\n");
+ return ret;
+ }
+
+ printf("Video: %dx%dx%d\n", uc_priv->xsize, uc_priv->ysize,
+ mode_info.vesa.bits_per_pixel);
+
+ return 0;
+}
+#endif
projects / u-boot / blobdiff