diff options
author | Tom Rini <trini@ti.com> | 2015-01-26 17:44:49 -0500 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2015-01-26 17:44:49 -0500 |
commit | ab92da9f47d51d363c7de42e2a7bd807e2c1bd54 (patch) | |
tree | dfabc29929e39a1ecc47edf5a4cf839ead062acd /drivers/pci | |
parent | aed03faa064cca56847571b13cbd4c849c6116aa (diff) | |
parent | e43ade3749ff10bc313f33bf23705465e4163896 (diff) | |
download | u-boot-imx-ab92da9f47d51d363c7de42e2a7bd807e2c1bd54.zip u-boot-imx-ab92da9f47d51d363c7de42e2a7bd807e2c1bd54.tar.gz u-boot-imx-ab92da9f47d51d363c7de42e2a7bd807e2c1bd54.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-x86
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/pci_auto.c | 28 | ||||
-rw-r--r-- | drivers/pci/pci_rom.c | 40 | ||||
-rw-r--r-- | drivers/pci/pci_tegra.c | 5 |
3 files changed, 56 insertions, 17 deletions
diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c index 44470fa..ed92857 100644 --- a/drivers/pci/pci_auto.c +++ b/drivers/pci/pci_auto.c @@ -11,7 +11,7 @@ */ #include <common.h> - +#include <errno.h> #include <pci.h> #undef DEBUG @@ -191,6 +191,32 @@ void pciauto_setup_device(struct pci_controller *hose, pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80); } +int pciauto_setup_rom(struct pci_controller *hose, pci_dev_t dev) +{ + pci_addr_t bar_value; + pci_size_t bar_size; + u32 bar_response; + u16 cmdstat = 0; + + pci_hose_write_config_dword(hose, dev, PCI_ROM_ADDRESS, 0xfffffffe); + pci_hose_read_config_dword(hose, dev, PCI_ROM_ADDRESS, &bar_response); + if (!bar_response) + return -ENOENT; + + bar_size = -(bar_response & ~1); + DEBUGF("PCI Autoconfig: ROM, size=%#x, ", bar_size); + if (pciauto_region_allocate(hose->pci_mem, bar_size, &bar_value) == 0) { + pci_hose_write_config_dword(hose, dev, PCI_ROM_ADDRESS, + bar_value); + } + DEBUGF("\n"); + pci_hose_read_config_word(hose, dev, PCI_COMMAND, &cmdstat); + cmdstat |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + pci_hose_write_config_word(hose, dev, PCI_COMMAND, cmdstat); + + return 0; +} + void pciauto_prescan_setup_bridge(struct pci_controller *hose, pci_dev_t dev, int sub_bus) { diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c index 7d25cc9..eb76591 100644 --- a/drivers/pci/pci_rom.c +++ b/drivers/pci/pci_rom.c @@ -66,6 +66,7 @@ static int pci_rom_probe(pci_dev_t dev, uint class, struct pci_rom_header *rom_header; struct pci_rom_data *rom_data; u16 vendor, device; + u16 rom_vendor, rom_device; u32 vendev; u32 mapped_vendev; u32 rom_address; @@ -80,7 +81,12 @@ static int pci_rom_probe(pci_dev_t dev, uint class, #ifdef CONFIG_X86_OPTION_ROM_ADDR rom_address = CONFIG_X86_OPTION_ROM_ADDR; #else - pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK); + + if (pciauto_setup_rom(pci_bus_to_hose(PCI_BUS(dev)), dev)) { + debug("Cannot find option ROM\n"); + return -ENOENT; + } + pci_read_config_dword(dev, PCI_ROM_ADDRESS, &rom_address); if (rom_address == 0x00000000 || rom_address == 0xffffffff) { debug("%s: rom_address=%x\n", __func__, rom_address); @@ -95,26 +101,28 @@ static int pci_rom_probe(pci_dev_t dev, uint class, rom_header = (struct pci_rom_header *)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)); 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 ((vendor != rom_vendor || 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", @@ -144,17 +152,23 @@ int pci_rom_load(uint16_t class, struct pci_rom_header *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; +#endif if (target != rom_header) { ulong start = get_timer(0); diff --git a/drivers/pci/pci_tegra.c b/drivers/pci/pci_tegra.c index f9e05ad..67b5fdf 100644 --- a/drivers/pci/pci_tegra.c +++ b/drivers/pci/pci_tegra.c @@ -459,7 +459,6 @@ static int tegra_pcie_parse_port_info(const void *fdt, int node, unsigned int *lanes) { struct fdt_pci_addr addr; - pci_dev_t bdf; int err; err = fdtdec_get_int(fdt, node, "nvidia,num-lanes", 0); @@ -470,13 +469,13 @@ static int tegra_pcie_parse_port_info(const void *fdt, int node, *lanes = err; - err = fdtdec_get_pci_bdf(fdt, node, &addr, &bdf); + err = fdtdec_get_pci_addr(fdt, node, 0, "reg", &addr); if (err < 0) { error("failed to parse \"reg\" property"); return err; } - *index = PCI_DEV(bdf) - 1; + *index = PCI_DEV(addr.phys_hi) - 1; return 0; } |