diff options
Diffstat (limited to 'arch/x86/lib/tpl.c')
| -rw-r--r-- | arch/x86/lib/tpl.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/arch/x86/lib/tpl.c b/arch/x86/lib/tpl.c index d70f590541..784e3a02de 100644 --- a/arch/x86/lib/tpl.c +++ b/arch/x86/lib/tpl.c @@ -5,6 +5,7 @@ #include <common.h> #include <debug_uart.h> +#include <dm.h> #include <spl.h> #include <asm/cpu.h> #include <asm/mtrr.h> @@ -23,6 +24,11 @@ static int x86_tpl_init(void) int ret; debug("%s starting\n", __func__); + ret = x86_cpu_init_tpl(); + if (ret) { + debug("%s: x86_cpu_init_tpl() failed\n", __func__); + return ret; + } ret = spl_init(); if (ret) { debug("%s: spl_init() failed\n", __func__); @@ -39,11 +45,6 @@ static int x86_tpl_init(void) return ret; } preloader_console_init(); - ret = print_cpuinfo(); - if (ret) { - debug("%s: print_cpuinfo() failed\n", __func__); - return ret; - } return 0; } @@ -106,7 +107,7 @@ int spl_spi_load_image(void) void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) { - printf("Jumping to U-Boot SPL at %lx\n", (ulong)spl_image->entry_point); + debug("Jumping to U-Boot SPL at %lx\n", (ulong)spl_image->entry_point); jump_to_spl(spl_image->entry_point); hang(); } @@ -115,3 +116,27 @@ void spl_board_init(void) { preloader_console_init(); } + +#if !CONFIG_IS_ENABLED(PCI) +/* + * This is a fake PCI bus for TPL when it doesn't have proper PCI. It is enough + * to bind the devices on the PCI bus, some of which have early-regs properties + * providing fixed BARs. Individual drivers program these BARs themselves so + * that they can access the devices. The BARs are allocated statically in the + * device tree. + * + * Once SPL is running it enables PCI properly, but does not auto-assign BARs + * for devices, so the TPL BARs continue to be used. Once U-Boot starts it does + * the auto allocation (after relocation). + */ +static const struct udevice_id tpl_fake_pci_ids[] = { + { .compatible = "pci-x86" }, + { } +}; + +U_BOOT_DRIVER(pci_x86) = { + .name = "pci_x86", + .id = UCLASS_SIMPLE_BUS, + .of_match = tpl_fake_pci_ids, +}; +#endif |