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-rw-r--r--drivers/pci/pci.c25
-rw-r--r--drivers/pci/pci_rom.c9
-rw-r--r--drivers/pci/pci_tegra.c3
-rw-r--r--drivers/serial/ns16550.c31
-rw-r--r--drivers/serial/serial_x86.c8
-rw-r--r--drivers/video/Kconfig8
-rw-r--r--drivers/video/x86_fb.c1
7 files changed, 72 insertions, 13 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 3daf73c..83fd9a0 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -19,6 +19,8 @@
#include <asm/io.h>
#include <pci.h>
+DECLARE_GLOBAL_DATA_PTR;
+
#define PCI_HOSE_OP(rw, size, type) \
int pci_hose_##rw##_config_##size(struct pci_controller *hose, \
pci_dev_t dev, \
@@ -123,6 +125,14 @@ void *pci_map_bar(pci_dev_t pdev, int bar, int flags)
static struct pci_controller* hose_head;
+struct pci_controller *pci_get_hose_head(void)
+{
+ if (gd->hose)
+ return gd->hose;
+
+ return hose_head;
+}
+
void pci_register_hose(struct pci_controller* hose)
{
struct pci_controller **phose = &hose_head;
@@ -139,7 +149,7 @@ struct pci_controller *pci_bus_to_hose(int bus)
{
struct pci_controller *hose;
- for (hose = hose_head; hose; hose = hose->next) {
+ for (hose = pci_get_hose_head(); hose; hose = hose->next) {
if (bus >= hose->first_busno && bus <= hose->last_busno)
return hose;
}
@@ -152,7 +162,7 @@ struct pci_controller *find_hose_by_cfg_addr(void *cfg_addr)
{
struct pci_controller *hose;
- for (hose = hose_head; hose; hose = hose->next) {
+ for (hose = pci_get_hose_head(); hose; hose = hose->next) {
if (hose->cfg_addr == cfg_addr)
return hose;
}
@@ -162,7 +172,7 @@ struct pci_controller *find_hose_by_cfg_addr(void *cfg_addr)
int pci_last_busno(void)
{
- struct pci_controller *hose = hose_head;
+ struct pci_controller *hose = pci_get_hose_head();
if (!hose)
return -1;
@@ -181,7 +191,7 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
pci_dev_t bdf;
int i, bus, found_multi = 0;
- for (hose = hose_head; hose; hose = hose->next) {
+ for (hose = pci_get_hose_head(); hose; hose = hose->next) {
#ifdef CONFIG_SYS_SCSI_SCAN_BUS_REVERSE
for (bus = hose->last_busno; bus >= hose->first_busno; bus--)
#else
@@ -233,7 +243,7 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
pci_dev_t pci_find_device(unsigned int vendor, unsigned int device, int index)
{
- static struct pci_device_id ids[2] = {{}, {0, 0}};
+ struct pci_device_id ids[2] = { {}, {0, 0} };
ids[0].vendor = vendor;
ids[0].device = device;
@@ -709,11 +719,10 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
int pci_hose_scan(struct pci_controller *hose)
{
#if defined(CONFIG_PCI_BOOTDELAY)
- static int pcidelay_done;
char *s;
int i;
- if (!pcidelay_done) {
+ if (!gd->pcidelay_done) {
/* wait "pcidelay" ms (if defined)... */
s = getenv("pcidelay");
if (s) {
@@ -721,7 +730,7 @@ int pci_hose_scan(struct pci_controller *hose)
for (i = 0; i < val; i++)
udelay(1000);
}
- pcidelay_done = 1;
+ gd->pcidelay_done = 1;
}
#endif /* CONFIG_PCI_BOOTDELAY */
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index af6a3ae..7d25cc9 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -156,6 +156,8 @@ int pci_rom_load(uint16_t class, struct pci_rom_header *rom_header,
target = (void *)PCI_VGA_RAM_IMAGE_START;
if (target != rom_header) {
+ ulong start = get_timer(0);
+
debug("Copying VGA ROM Image from %p to %p, 0x%x bytes\n",
rom_header, target, rom_size);
memcpy(target, rom_header, rom_size);
@@ -163,6 +165,7 @@ int pci_rom_load(uint16_t class, struct pci_rom_header *rom_header,
printf("VGA ROM copy failed\n");
return -EFAULT;
}
+ debug("Copy took %lums\n", get_timer(start));
}
*ram_headerp = target;
@@ -205,7 +208,7 @@ int vbe_get_video_info(struct graphic_device *gdev)
gdev->vprBase = vesa->phys_base_ptr;
gdev->cprBase = vesa->phys_base_ptr;
- return 0;
+ return gdev->winSizeX ? 0 : -ENOSYS;
#else
return -ENOSYS;
#endif
@@ -244,7 +247,7 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
defined(CONFIG_FRAMEBUFFER_VESA_MODE)
vesa_mode = CONFIG_FRAMEBUFFER_VESA_MODE;
#endif
- debug("Selected vesa mode %d\b", vesa_mode);
+ debug("Selected vesa mode %#x\n", vesa_mode);
if (emulate) {
#ifdef CONFIG_BIOSEMU
BE_VGAInfo *info;
@@ -272,7 +275,7 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
return -ENOSYS;
#endif
}
- debug("Final vesa mode %d\n", mode_info.video_mode);
+ debug("Final vesa mode %#x\n", mode_info.video_mode);
return 0;
}
diff --git a/drivers/pci/pci_tegra.c b/drivers/pci/pci_tegra.c
index a03ad5f..f9e05ad 100644
--- a/drivers/pci/pci_tegra.c
+++ b/drivers/pci/pci_tegra.c
@@ -458,6 +458,7 @@ static int tegra_pcie_parse_port_info(const void *fdt, int node,
unsigned int *index,
unsigned int *lanes)
{
+ struct fdt_pci_addr addr;
pci_dev_t bdf;
int err;
@@ -469,7 +470,7 @@ static int tegra_pcie_parse_port_info(const void *fdt, int node,
*lanes = err;
- err = fdtdec_pci_get_bdf(fdt, node, &bdf);
+ err = fdtdec_get_pci_bdf(fdt, node, &addr, &bdf);
if (err < 0) {
error("failed to parse \"reg\" property");
return err;
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index af5beba..70c9462 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -289,7 +289,38 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
struct ns16550_platdata *plat = dev->platdata;
fdt_addr_t addr;
+ /* try Processor Local Bus device first */
addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
+#ifdef CONFIG_PCI
+ if (addr == FDT_ADDR_T_NONE) {
+ /* then try pci device */
+ struct fdt_pci_addr pci_addr;
+ u32 bar;
+ int ret;
+
+ /* we prefer to use a memory-mapped register */
+ ret = fdtdec_get_pci_addr(gd->fdt_blob, dev->of_offset,
+ FDT_PCI_SPACE_MEM32, "reg",
+ &pci_addr);
+ if (ret) {
+ /* try if there is any i/o-mapped register */
+ ret = fdtdec_get_pci_addr(gd->fdt_blob,
+ dev->of_offset,
+ FDT_PCI_SPACE_IO,
+ "reg", &pci_addr);
+ if (ret)
+ return ret;
+ }
+
+ ret = fdtdec_get_pci_bar32(gd->fdt_blob, dev->of_offset,
+ &pci_addr, &bar);
+ if (ret)
+ return ret;
+
+ addr = bar;
+ }
+#endif
+
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
diff --git a/drivers/serial/serial_x86.c b/drivers/serial/serial_x86.c
index e81e035..4bf6062 100644
--- a/drivers/serial/serial_x86.c
+++ b/drivers/serial/serial_x86.c
@@ -6,9 +6,12 @@
#include <common.h>
#include <dm.h>
+#include <fdtdec.h>
#include <ns16550.h>
#include <serial.h>
+DECLARE_GLOBAL_DATA_PTR;
+
static const struct udevice_id x86_serial_ids[] = {
{ .compatible = "x86-uart" },
{ }
@@ -22,10 +25,13 @@ static int x86_serial_ofdata_to_platdata(struct udevice *dev)
ret = ns16550_serial_ofdata_to_platdata(dev);
if (ret)
return ret;
- plat->clock = 1843200;
+
+ plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "clock-frequency", 1843200);
return 0;
}
+
U_BOOT_DRIVER(serial_ns16550) = {
.name = "serial_x86",
.id = UCLASS_SERIAL,
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index e69de29..fdbf3f6 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -0,0 +1,8 @@
+config VIDEO_X86
+ bool "Enable x86 video driver support"
+ depends on X86
+ default n
+ help
+ Turn on this option to enable a very simple driver which uses vesa
+ to discover the video mode and then provides a frame buffer for use
+ by U-Boot.
diff --git a/drivers/video/x86_fb.c b/drivers/video/x86_fb.c
index 8743a8c..6641033 100644
--- a/drivers/video/x86_fb.c
+++ b/drivers/video/x86_fb.c
@@ -32,6 +32,7 @@ void *video_hw_init(void)
sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
bits_per_pixel);
printf("%s\n", gdev->modeIdent);
+ debug("Frame buffer at %x\n", gdev->frameAdrs);
return (void *)gdev;
}
generated by cgit v1.1 at 2024-12-27 22:29:32 +0000