diff options
76 files changed, 1959 insertions, 736 deletions
diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c index b6aae37..02c4cd3 100644 --- a/arch/sandbox/cpu/cpu.c +++ b/arch/sandbox/cpu/cpu.c @@ -22,6 +22,8 @@ unsigned long map_len; void reset_cpu(ulong ignored) { + /* Do this here while it still has an effect */ + os_fd_restore(); if (state_uninit()) os_exit(2); diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index e6dd17e..8a4d719 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -107,10 +107,12 @@ void os_exit(int exit_code) static struct termios orig_term; static bool term_setup; -static void os_fd_restore(void) +void os_fd_restore(void) { - if (term_setup) + if (term_setup) { tcsetattr(0, TCSANOW, &orig_term); + term_setup = false; + } } /* Put tty into raw mode so <tab> and <ctrl+c> work */ @@ -120,7 +122,6 @@ void os_tty_raw(int fd, bool allow_sigs) if (term_setup) return; - term_setup = true; /* If not a tty, don't complain */ if (tcgetattr(fd, &orig_term)) @@ -134,6 +135,7 @@ void os_tty_raw(int fd, bool allow_sigs) if (tcsetattr(fd, TCSANOW, &term)) return; + term_setup = true; atexit(os_fd_restore); } diff --git a/arch/sandbox/dts/Makefile b/arch/sandbox/dts/Makefile index 562a078..517b555 100644 --- a/arch/sandbox/dts/Makefile +++ b/arch/sandbox/dts/Makefile @@ -1,5 +1,5 @@ dtb-$(CONFIG_SANDBOX) += sandbox.dtb -dtb-$(CONFIG_DM_TEST) += test.dtb +dtb-$(CONFIG_UT_DM) += test.dtb targets += $(dtb-y) diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts index a3ebd80..8927527 100644 --- a/arch/sandbox/dts/sandbox.dts +++ b/arch/sandbox/dts/sandbox.dts @@ -17,30 +17,6 @@ stdout-path = "/serial"; }; - /* Needs to be available prior to relocation */ - uart0: serial { - compatible = "sandbox,serial"; - sandbox,text-colour = "cyan"; - }; - - triangle { - compatible = "demo-shape"; - colour = "cyan"; - sides = <3>; - character = <83>; - light-gpios = <&gpio_a 2>, <&gpio_b 6 0>; - }; - square { - compatible = "demo-shape"; - colour = "blue"; - sides = <4>; - }; - hexagon { - compatible = "demo-simple"; - colour = "white"; - sides = <6>; - }; - cros_ec: cros-ec@0 { reg = <0 0>; compatible = "google,cros-ec-sandbox"; @@ -70,10 +46,22 @@ }; }; - lcd { - compatible = "sandbox,lcd-sdl"; - xres = <1366>; - yres = <768>; + eth@10002000 { + compatible = "sandbox,eth"; + reg = <0x10002000 0x1000>; + fake-host-hwaddr = [00 00 66 44 22 00]; + }; + + eth@80000000 { + compatible = "sandbox,eth-raw"; + reg = <0x80000000 0x1000>; + host-raw-interface = "eth0"; + }; + + eth@90000000 { + compatible = "sandbox,eth-raw"; + reg = <0x90000000 0x1000>; + host-raw-interface = "lo"; }; gpio_a: gpios@0 { @@ -92,6 +80,12 @@ num-gpios = <10>; }; + hexagon { + compatible = "demo-simple"; + colour = "white"; + sides = <6>; + }; + i2c_0: i2c@0 { #address-cells = <1>; #size-cells = <0>; @@ -120,18 +114,10 @@ }; }; - spi@0 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0 0>; - compatible = "sandbox,spi"; - cs-gpios = <0>, <&gpio_a 0>; - firmware_storage_spi: flash@0 { - reg = <0>; - compatible = "spansion,m25p16", "sandbox,spi-flash"; - spi-max-frequency = <40000000>; - sandbox,filename = "spi.bin"; - }; + lcd { + compatible = "sandbox,lcd-sdl"; + xres = <1366>; + yres = <768>; }; pci: pci-controller { @@ -150,22 +136,38 @@ }; }; - eth@10002000 { - compatible = "sandbox,eth"; - reg = <0x10002000 0x1000>; - fake-host-hwaddr = [00 00 66 44 22 00]; + spi@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0 0>; + compatible = "sandbox,spi"; + cs-gpios = <0>, <&gpio_a 0>; + firmware_storage_spi: flash@0 { + reg = <0>; + compatible = "spansion,m25p16", "sandbox,spi-flash"; + spi-max-frequency = <40000000>; + sandbox,filename = "spi.bin"; + }; }; - eth@80000000 { - compatible = "sandbox,eth-raw"; - reg = <0x80000000 0x1000>; - host-raw-interface = "eth0"; + square { + compatible = "demo-shape"; + colour = "blue"; + sides = <4>; }; - eth@90000000 { - compatible = "sandbox,eth-raw"; - reg = <0x90000000 0x1000>; - host-raw-interface = "lo"; + triangle { + compatible = "demo-shape"; + colour = "cyan"; + sides = <3>; + character = <83>; + light-gpios = <&gpio_a 2>, <&gpio_b 6 0>; + }; + + /* Needs to be available prior to relocation */ + uart0: serial { + compatible = "sandbox,serial"; + sandbox,text-colour = "cyan"; }; usb@0 { diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 1bc3ca0..c25614a 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -8,9 +8,13 @@ aliases { console = &uart0; + eth0 = "/eth@10002000"; + eth5 = ð_5; i2c0 = "/i2c@0"; - spi0 = "/spi@0"; pci0 = &pci; + rtc0 = &rtc_0; + rtc1 = &rtc_1; + spi0 = "/spi@0"; testfdt6 = "/e-test"; testbus3 = "/some-bus"; testfdt0 = "/some-bus/c-test@0"; @@ -18,18 +22,11 @@ testfdt3 = "/b-test"; testfdt5 = "/some-bus/c-test@5"; testfdt8 = "/a-test"; - eth0 = "/eth@10002000"; - eth5 = ð_5; usb0 = &usb_0; usb1 = &usb_1; usb2 = &usb_2; }; - uart0: serial { - compatible = "sandbox,serial"; - u-boot,dm-pre-reloc; - }; - a-test { reg = <0>; compatible = "denx,u-boot-fdt-test"; @@ -108,6 +105,24 @@ compatible = "denx,u-boot-fdt-test"; }; + eth@10002000 { + compatible = "sandbox,eth"; + reg = <0x10002000 0x1000>; + fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x00>; + }; + + eth_5: eth@10003000 { + compatible = "sandbox,eth"; + reg = <0x10003000 0x1000>; + fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x11>; + }; + + eth@10004000 { + compatible = "sandbox,eth"; + reg = <0x10004000 0x1000>; + fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x22>; + }; + gpio_a: base-gpios { compatible = "sandbox,gpio"; gpio-controller; @@ -140,6 +155,22 @@ }; }; + rtc_0: rtc@43 { + reg = <0x43>; + compatible = "sandbox-rtc"; + emul { + compatible = "sandbox,i2c-rtc"; + }; + }; + + rtc_1: rtc@61 { + reg = <0x61>; + compatible = "sandbox-rtc"; + emul { + compatible = "sandbox,i2c-rtc"; + }; + }; + sandbox_pmic: sandbox_pmic { reg = <0x40>; }; @@ -175,22 +206,9 @@ }; }; - eth@10002000 { - compatible = "sandbox,eth"; - reg = <0x10002000 0x1000>; - fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x00>; - }; - - eth_5: eth@10003000 { - compatible = "sandbox,eth"; - reg = <0x10003000 0x1000>; - fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x11>; - }; - - eth@10004000 { - compatible = "sandbox,eth"; - reg = <0x10004000 0x1000>; - fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x22>; + uart0: serial { + compatible = "sandbox,serial"; + u-boot,dm-pre-reloc; }; usb_0: usb@0 { diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8e734fd..3506ba2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -12,11 +12,14 @@ config SYS_VSNPRINTF choice prompt "Mainboard vendor" - default VENDOR_COREBOOT + default VENDOR_EMULATION config VENDOR_COREBOOT bool "coreboot" +config VENDOR_EMULATION + bool "emulation" + config VENDOR_GOOGLE bool "Google" @@ -27,6 +30,7 @@ endchoice # board-specific options below source "board/coreboot/Kconfig" +source "board/emulation/Kconfig" source "board/google/Kconfig" source "board/intel/Kconfig" @@ -34,6 +38,7 @@ source "board/intel/Kconfig" source "arch/x86/cpu/baytrail/Kconfig" source "arch/x86/cpu/coreboot/Kconfig" source "arch/x86/cpu/ivybridge/Kconfig" +source "arch/x86/cpu/qemu/Kconfig" source "arch/x86/cpu/quark/Kconfig" source "arch/x86/cpu/queensbay/Kconfig" @@ -182,147 +187,6 @@ config MARK_GRAPHICS_MEM_WRCOMB memory is set as write-combining cache type. This option enables marking the graphics memory as write-combining. -menu "Display" - -config FRAMEBUFFER_SET_VESA_MODE - prompt "Set framebuffer graphics resolution" - bool - help - Set VESA/native framebuffer mode (needed for bootsplash and graphical framebuffer console) - -choice - prompt "framebuffer graphics resolution" - default FRAMEBUFFER_VESA_MODE_117 - depends on FRAMEBUFFER_SET_VESA_MODE - help - This option sets the resolution used for the coreboot framebuffer (and - bootsplash screen). - -config FRAMEBUFFER_VESA_MODE_100 - bool "640x400 256-color" - -config FRAMEBUFFER_VESA_MODE_101 - bool "640x480 256-color" - -config FRAMEBUFFER_VESA_MODE_102 - bool "800x600 16-color" - -config FRAMEBUFFER_VESA_MODE_103 - bool "800x600 256-color" - -config FRAMEBUFFER_VESA_MODE_104 - bool "1024x768 16-color" - -config FRAMEBUFFER_VESA_MODE_105 - bool "1024x7686 256-color" - -config FRAMEBUFFER_VESA_MODE_106 - bool "1280x1024 16-color" - -config FRAMEBUFFER_VESA_MODE_107 - bool "1280x1024 256-color" - -config FRAMEBUFFER_VESA_MODE_108 - bool "80x60 text" - -config FRAMEBUFFER_VESA_MODE_109 - bool "132x25 text" - -config FRAMEBUFFER_VESA_MODE_10A - bool "132x43 text" - -config FRAMEBUFFER_VESA_MODE_10B - bool "132x50 text" - -config FRAMEBUFFER_VESA_MODE_10C - bool "132x60 text" - -config FRAMEBUFFER_VESA_MODE_10D - bool "320x200 32k-color (1:5:5:5)" - -config FRAMEBUFFER_VESA_MODE_10E - bool "320x200 64k-color (5:6:5)" - -config FRAMEBUFFER_VESA_MODE_10F - bool "320x200 16.8M-color (8:8:8)" - -config FRAMEBUFFER_VESA_MODE_110 - bool "640x480 32k-color (1:5:5:5)" - -config FRAMEBUFFER_VESA_MODE_111 - bool "640x480 64k-color (5:6:5)" - -config FRAMEBUFFER_VESA_MODE_112 - bool "640x480 16.8M-color (8:8:8)" - -config FRAMEBUFFER_VESA_MODE_113 - bool "800x600 32k-color (1:5:5:5)" - -config FRAMEBUFFER_VESA_MODE_114 - bool "800x600 64k-color (5:6:5)" - -config FRAMEBUFFER_VESA_MODE_115 - bool "800x600 16.8M-color (8:8:8)" - -config FRAMEBUFFER_VESA_MODE_116 - bool "1024x768 32k-color (1:5:5:5)" - -config FRAMEBUFFER_VESA_MODE_117 - bool "1024x768 64k-color (5:6:5)" - -config FRAMEBUFFER_VESA_MODE_118 - bool "1024x768 16.8M-color (8:8:8)" - -config FRAMEBUFFER_VESA_MODE_119 - bool "1280x1024 32k-color (1:5:5:5)" - -config FRAMEBUFFER_VESA_MODE_11A - bool "1280x1024 64k-color (5:6:5)" - -config FRAMEBUFFER_VESA_MODE_11B - bool "1280x1024 16.8M-color (8:8:8)" - -config FRAMEBUFFER_VESA_MODE_USER - bool "Manually select VESA mode" - -endchoice - -# Map the config names to an integer (KB). -config FRAMEBUFFER_VESA_MODE - prompt "VESA mode" if FRAMEBUFFER_VESA_MODE_USER - hex - default 0x100 if FRAMEBUFFER_VESA_MODE_100 - default 0x101 if FRAMEBUFFER_VESA_MODE_101 - default 0x102 if FRAMEBUFFER_VESA_MODE_102 - default 0x103 if FRAMEBUFFER_VESA_MODE_103 - default 0x104 if FRAMEBUFFER_VESA_MODE_104 - default 0x105 if FRAMEBUFFER_VESA_MODE_105 - default 0x106 if FRAMEBUFFER_VESA_MODE_106 - default 0x107 if FRAMEBUFFER_VESA_MODE_107 - default 0x108 if FRAMEBUFFER_VESA_MODE_108 - default 0x109 if FRAMEBUFFER_VESA_MODE_109 - default 0x10A if FRAMEBUFFER_VESA_MODE_10A - default 0x10B if FRAMEBUFFER_VESA_MODE_10B - default 0x10C if FRAMEBUFFER_VESA_MODE_10C - default 0x10D if FRAMEBUFFER_VESA_MODE_10D - default 0x10E if FRAMEBUFFER_VESA_MODE_10E - default 0x10F if FRAMEBUFFER_VESA_MODE_10F - default 0x110 if FRAMEBUFFER_VESA_MODE_110 - default 0x111 if FRAMEBUFFER_VESA_MODE_111 - default 0x112 if FRAMEBUFFER_VESA_MODE_112 - default 0x113 if FRAMEBUFFER_VESA_MODE_113 - default 0x114 if FRAMEBUFFER_VESA_MODE_114 - default 0x115 if FRAMEBUFFER_VESA_MODE_115 - default 0x116 if FRAMEBUFFER_VESA_MODE_116 - default 0x117 if FRAMEBUFFER_VESA_MODE_117 - default 0x118 if FRAMEBUFFER_VESA_MODE_118 - default 0x119 if FRAMEBUFFER_VESA_MODE_119 - default 0x11A if FRAMEBUFFER_VESA_MODE_11A - default 0x11B if FRAMEBUFFER_VESA_MODE_11B - default 0x117 if FRAMEBUFFER_VESA_MODE_USER - -endmenu - config HAVE_FSP bool "Add an Firmware Support Package binary" help @@ -356,6 +220,7 @@ config FSP_ADDR config FSP_TEMP_RAM_ADDR hex + depends on HAVE_FSP default 0x2000000 help Stack top address which is used in FspInit after DRAM is ready and diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile index 043bea2..7ff05e6 100644 --- a/arch/x86/cpu/Makefile +++ b/arch/x86/cpu/Makefile @@ -14,11 +14,12 @@ obj-y += interrupts.o cpu.o call64.o obj-$(CONFIG_INTEL_BAYTRAIL) += baytrail/ obj-$(CONFIG_SYS_COREBOOT) += coreboot/ +obj-$(CONFIG_QEMU) += qemu/ obj-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += ivybridge/ obj-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += ivybridge/ obj-$(CONFIG_INTEL_QUARK) += quark/ obj-$(CONFIG_INTEL_QUEENSBAY) += queensbay/ -obj-y += lapic.o +obj-y += irq.o lapic.o obj-$(CONFIG_SMP) += mp_init.o obj-y += mtrr.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/x86/cpu/baytrail/pci.c b/arch/x86/cpu/baytrail/pci.c index 6c291f9..48409de 100644 --- a/arch/x86/cpu/baytrail/pci.c +++ b/arch/x86/cpu/baytrail/pci.c @@ -39,7 +39,7 @@ void board_pci_setup_hose(struct pci_controller *hose) pci_set_region(hose->regions + 3, 0, 0, - gd->ram_size, + gd->ram_size < 0x80000000 ? gd->ram_size : 0x80000000, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); hose->region_count = 4; diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c index 4cdd0d4..0e9f15f 100644 --- a/arch/x86/cpu/coreboot/coreboot.c +++ b/arch/x86/cpu/coreboot/coreboot.c @@ -7,16 +7,11 @@ */ #include <common.h> -#include <asm/u-boot-x86.h> -#include <flash.h> +#include <fdtdec.h> #include <netdev.h> -#include <ns16550.h> -#include <asm/msr.h> -#include <asm/cache.h> -#include <asm/cpu.h> #include <asm/io.h> +#include <asm/msr.h> #include <asm/mtrr.h> -#include <asm/arch/tables.h> #include <asm/arch/sysinfo.h> #include <asm/arch/timestamp.h> @@ -53,13 +48,6 @@ int last_stage_init(void) return 0; } -#ifndef CONFIG_SYS_NO_FLASH -ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) -{ - return 0; -} -#endif - int board_eth_init(bd_t *bis) { return pci_eth_init(bis); @@ -67,7 +55,8 @@ int board_eth_init(bd_t *bis) void board_final_cleanup(void) { - /* Un-cache the ROM so the kernel has one + /* + * Un-cache the ROM so the kernel has one * more MTRR available. * * Coreboot should have assigned this to the @@ -86,21 +75,22 @@ void board_final_cleanup(void) mtrr_close(&state); } - /* Issue SMI to Coreboot to lock down ME and registers */ - printf("Finalizing Coreboot\n"); - outb(0xcb, 0xb2); + if (!fdtdec_get_config_bool(gd->fdt_blob, "u-boot,no-apm-finalize")) { + /* + * Issue SMI to coreboot to lock down ME and registers + * when allowed via device tree + */ + printf("Finalizing coreboot\n"); + outb(0xcb, 0xb2); + } } -void panic_puts(const char *str) +int misc_init_r(void) { - NS16550_t port = (NS16550_t)0x3f8; - - NS16550_init(port, 1); - while (*str) - NS16550_putc(port, *str++); + return 0; } -int misc_init_r(void) +int arch_misc_init(void) { return 0; } diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c new file mode 100644 index 0000000..74b89ad --- /dev/null +++ b/arch/x86/cpu/irq.c @@ -0,0 +1,216 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <fdtdec.h> +#include <malloc.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/pci.h> +#include <asm/pirq_routing.h> + +DECLARE_GLOBAL_DATA_PTR; + +static struct irq_router irq_router; +static struct irq_routing_table *pirq_routing_table; + +bool pirq_check_irq_routed(int link, u8 irq) +{ + u8 pirq; + int base = irq_router.link_base; + + if (irq_router.config == PIRQ_VIA_PCI) + pirq = x86_pci_read_config8(irq_router.bdf, + LINK_N2V(link, base)); + else + pirq = readb(irq_router.ibase + LINK_N2V(link, base)); + + pirq &= 0xf; + + /* IRQ# 0/1/2/8/13 are reserved */ + if (pirq < 3 || pirq == 8 || pirq == 13) + return false; + + return pirq == irq ? true : false; +} + +int pirq_translate_link(int link) +{ + return LINK_V2N(link, irq_router.link_base); +} + +void pirq_assign_irq(int link, u8 irq) +{ + int base = irq_router.link_base; + + /* IRQ# 0/1/2/8/13 are reserved */ + if (irq < 3 || irq == 8 || irq == 13) + return; + + if (irq_router.config == PIRQ_VIA_PCI) + x86_pci_write_config8(irq_router.bdf, + LINK_N2V(link, base), irq); + else + writeb(irq, irq_router.ibase + LINK_N2V(link, base)); +} + +static inline void fill_irq_info(struct irq_info **slotp, int *entries, u8 bus, + u8 device, u8 func, u8 pin, u8 pirq) +{ + struct irq_info *slot = *slotp; + + slot->bus = bus; + slot->devfn = (device << 3) | func; + slot->irq[pin - 1].link = LINK_N2V(pirq, irq_router.link_base); + slot->irq[pin - 1].bitmap = irq_router.irq_mask; + (*entries)++; + (*slotp)++; +} + +__weak void cpu_irq_init(void) +{ + return; +} + +static int create_pirq_routing_table(void) +{ + const void *blob = gd->fdt_blob; + struct fdt_pci_addr addr; + int node; + int len, count; + const u32 *cell; + struct irq_routing_table *rt; + struct irq_info *slot; + int irq_entries = 0; + int i; + int ret; + + node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_IRQ_ROUTER); + if (node < 0) { + debug("%s: Cannot find irq router node\n", __func__); + return -EINVAL; + } + + ret = fdtdec_get_pci_addr(blob, node, FDT_PCI_SPACE_CONFIG, + "reg", &addr); + if (ret) + return ret; + + /* extract the bdf from fdt_pci_addr */ + irq_router.bdf = addr.phys_hi & 0xffff00; + + ret = fdt_find_string(blob, node, "intel,pirq-config", "pci"); + if (!ret) { + irq_router.config = PIRQ_VIA_PCI; + } else { + ret = fdt_find_string(blob, node, "intel,pirq-config", "ibase"); + if (!ret) + irq_router.config = PIRQ_VIA_IBASE; + else + return -EINVAL; + } + + ret = fdtdec_get_int_array(blob, node, "intel,pirq-link", + &irq_router.link_base, 1); + if (ret) + return ret; + + irq_router.irq_mask = fdtdec_get_int(blob, node, + "intel,pirq-mask", PIRQ_BITMAP); + + if (irq_router.config == PIRQ_VIA_IBASE) { + int ibase_off; + + ibase_off = fdtdec_get_int(blob, node, "intel,ibase-offset", 0); + if (!ibase_off) + return -EINVAL; + + /* + * Here we assume that the IBASE register has already been + * properly configured by U-Boot before. + * + * By 'valid' we mean: + * 1) a valid memory space carved within system memory space + * assigned to IBASE register block. + * 2) memory range decoding is enabled. + * Hence we don't do any santify test here. + */ + irq_router.ibase = x86_pci_read_config32(irq_router.bdf, + ibase_off); + irq_router.ibase &= ~0xf; + } + + cell = fdt_getprop(blob, node, "intel,pirq-routing", &len); + if (!cell) + return -EINVAL; + + if ((len % sizeof(struct pirq_routing)) == 0) + count = len / sizeof(struct pirq_routing); + else + return -EINVAL; + + rt = malloc(sizeof(struct irq_routing_table)); + if (!rt) + return -ENOMEM; + memset((char *)rt, 0, sizeof(struct irq_routing_table)); + + /* Populate the PIRQ table fields */ + rt->signature = PIRQ_SIGNATURE; + rt->version = PIRQ_VERSION; + rt->rtr_bus = 0; + rt->rtr_devfn = (PCI_DEV(irq_router.bdf) << 3) | + PCI_FUNC(irq_router.bdf); + rt->rtr_vendor = PCI_VENDOR_ID_INTEL; + rt->rtr_device = PCI_DEVICE_ID_INTEL_ICH7_31; + + slot = rt->slots; + + /* Now fill in the irq_info entries in the PIRQ table */ + for (i = 0; i < count; i++) { + struct pirq_routing pr; + + pr.bdf = fdt_addr_to_cpu(cell[0]); + pr.pin = fdt_addr_to_cpu(cell[1]); + pr.pirq = fdt_addr_to_cpu(cell[2]); + + debug("irq_info %d: b.d.f %x.%x.%x INT%c PIRQ%c\n", + i, PCI_BUS(pr.bdf), PCI_DEV(pr.bdf), + PCI_FUNC(pr.bdf), 'A' + pr.pin - 1, + 'A' + pr.pirq); + fill_irq_info(&slot, &irq_entries, PCI_BUS(pr.bdf), + PCI_DEV(pr.bdf), PCI_FUNC(pr.bdf), + pr.pin, pr.pirq); + cell += sizeof(struct pirq_routing) / sizeof(u32); + } + + rt->size = irq_entries * sizeof(struct irq_info) + 32; + + pirq_routing_table = rt; + + return 0; +} + +void pirq_init(void) +{ + cpu_irq_init(); + + if (create_pirq_routing_table()) { + debug("Failed to create pirq routing table\n"); + } else { + /* Route PIRQ */ + pirq_route_irqs(pirq_routing_table->slots, + get_irq_slot_count(pirq_routing_table)); + } +} + +u32 write_pirq_routing_table(u32 addr) +{ + if (!pirq_routing_table) + return addr; + + return copy_pirq_routing_table(addr, pirq_routing_table); +} diff --git a/arch/x86/cpu/qemu/Kconfig b/arch/x86/cpu/qemu/Kconfig new file mode 100644 index 0000000..fb775d7 --- /dev/null +++ b/arch/x86/cpu/qemu/Kconfig @@ -0,0 +1,21 @@ +# +# Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +config QEMU + bool + select TSC_CALIBRATION_BYPASS + +if QEMU + +config SYS_CAR_ADDR + hex + default 0xd0000 + +config SYS_CAR_SIZE + hex + default 0x10000 + +endif diff --git a/arch/x86/cpu/qemu/Makefile b/arch/x86/cpu/qemu/Makefile new file mode 100644 index 0000000..be79723 --- /dev/null +++ b/arch/x86/cpu/qemu/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += car.o dram.o qemu.o +obj-$(CONFIG_PCI) += pci.o diff --git a/arch/x86/cpu/qemu/car.S b/arch/x86/cpu/qemu/car.S new file mode 100644 index 0000000..13b3aea --- /dev/null +++ b/arch/x86/cpu/qemu/car.S @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <asm/post.h> + +.globl car_init +car_init: + /* Save the BIST result */ + movl %eax, %ebp + + post_code(POST_CAR_START) + + /* + * Since we know we are running inside emulator, + * we can do nothing here for CAR initialization. + */ + + /* Restore the BIST result */ + movl %ebp, %eax + + post_code(POST_CAR_CPU_CACHE) + jmp car_init_ret diff --git a/arch/x86/cpu/qemu/dram.c b/arch/x86/cpu/qemu/dram.c new file mode 100644 index 0000000..a88d0d2 --- /dev/null +++ b/arch/x86/cpu/qemu/dram.c @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/post.h> +#include <asm/arch/qemu.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + u32 ram; + + outb(HIGH_RAM_ADDR, CMOS_ADDR_PORT); + ram = ((u32)inb(CMOS_DATA_PORT)) << 14; + outb(LOW_RAM_ADDR, CMOS_ADDR_PORT); + ram |= ((u32)inb(CMOS_DATA_PORT)) << 6; + ram += 16 * 1024; + + gd->ram_size = ram * 1024; + post_code(POST_DRAM); + + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = 0; + gd->bd->bi_dram[0].size = gd->ram_size; +} + +/* + * This function looks for the highest region of memory lower than 4GB which + * has enough space for U-Boot where U-Boot is aligned on a page boundary. + * It overrides the default implementation found elsewhere which simply + * picks the end of ram, wherever that may be. The location of the stack, + * the relocation address, and how far U-Boot is moved by relocation are + * set in the global data structure. + */ +ulong board_get_usable_ram_top(ulong total_size) +{ + return gd->ram_size; +} diff --git a/arch/x86/cpu/qemu/pci.c b/arch/x86/cpu/qemu/pci.c new file mode 100644 index 0000000..1a9140b --- /dev/null +++ b/arch/x86/cpu/qemu/pci.c @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <pci.h> +#include <pci_rom.h> +#include <asm/pci.h> +#include <asm/arch/device.h> +#include <asm/arch/qemu.h> + +DECLARE_GLOBAL_DATA_PTR; + +void board_pci_setup_hose(struct pci_controller *hose) +{ + hose->first_busno = 0; + hose->last_busno = 0; + + /* PCI memory space */ + pci_set_region(hose->regions + 0, + CONFIG_PCI_MEM_BUS, + CONFIG_PCI_MEM_PHYS, + CONFIG_PCI_MEM_SIZE, + PCI_REGION_MEM); + + /* PCI IO space */ + pci_set_region(hose->regions + 1, + CONFIG_PCI_IO_BUS, + CONFIG_PCI_IO_PHYS, + CONFIG_PCI_IO_SIZE, + PCI_REGION_IO); + + pci_set_region(hose->regions + 2, + CONFIG_PCI_PREF_BUS, + CONFIG_PCI_PREF_PHYS, + CONFIG_PCI_PREF_SIZE, + PCI_REGION_PREFETCH); + + pci_set_region(hose->regions + 3, + 0, + 0, + gd->ram_size, + PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); + + hose->region_count = 4; +} + +int board_pci_post_scan(struct pci_controller *hose) +{ + int ret = 0; + u16 device; + int pam, i; + pci_dev_t vga; + ulong start; + + /* + * i440FX and Q35 chipset have different PAM register offset, but with + * the same bitfield layout. Here we determine the offset based on its + * PCI device ID. + */ + device = x86_pci_read_config16(PCI_BDF(0, 0, 0), PCI_DEVICE_ID); + pam = (device == PCI_DEVICE_ID_INTEL_82441) ? I440FX_PAM : Q35_PAM; + + /* + * Initialize Programmable Attribute Map (PAM) Registers + * + * Configure legacy segments C/D/E/F to system RAM + */ + for (i = 0; i < PAM_NUM; i++) + x86_pci_write_config8(PCI_BDF(0, 0, 0), pam + i, PAM_RW); + + if (device == PCI_DEVICE_ID_INTEL_82441) { + /* + * Enable legacy IDE I/O ports decode + * + * Note: QEMU always decode legacy IDE I/O port on PIIX chipset. + * However Linux ata_piix driver does sanity check on these two + * registers to see whether legacy ports decode is turned on. + * This is to make Linux ata_piix driver happy. + */ + x86_pci_write_config16(PIIX_IDE, IDE0_TIM, IDE_DECODE_EN); + x86_pci_write_config16(PIIX_IDE, IDE1_TIM, IDE_DECODE_EN); + } + + /* + * QEMU emulated graphic card shows in the PCI configuration space with + * PCI vendor id and device id as an artificial pair 0x1234:0x1111. + * It is on PCI bus 0, function 0, but device number is not consistent + * for the two x86 targets it supports. For i440FX and PIIX chipset + * board, it shows as device 2, while for Q35 and ICH9 chipset board, + * it shows as device 1. + */ + vga = (device == PCI_DEVICE_ID_INTEL_82441) ? I440FX_VGA : Q35_VGA; + start = get_timer(0); + ret = pci_run_vga_bios(vga, NULL, PCI_ROM_USE_NATIVE); + debug("BIOS ran in %lums\n", get_timer(start)); + + return ret; +} diff --git a/arch/x86/cpu/qemu/qemu.c b/arch/x86/cpu/qemu/qemu.c new file mode 100644 index 0000000..930d2b6 --- /dev/null +++ b/arch/x86/cpu/qemu/qemu.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/irq.h> +#include <asm/post.h> +#include <asm/processor.h> + +int arch_cpu_init(void) +{ + int ret; + + post_code(POST_CPU_INIT); +#ifdef CONFIG_SYS_X86_TSC_TIMER + timer_set_base(rdtsc()); +#endif + + ret = x86_cpu_init_f(); + if (ret) + return ret; + + return 0; +} + +int print_cpuinfo(void) +{ + post_code(POST_CPU_INFO); + return default_print_cpuinfo(); +} + +void reset_cpu(ulong addr) +{ + /* cold reset */ + x86_full_reset(); +} + +int arch_misc_init(void) +{ + pirq_init(); + + return 0; +} diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c index e78a271..20cc09e 100644 --- a/arch/x86/cpu/quark/quark.c +++ b/arch/x86/cpu/quark/quark.c @@ -9,6 +9,7 @@ #include <netdev.h> #include <phy.h> #include <asm/io.h> +#include <asm/irq.h> #include <asm/pci.h> #include <asm/post.h> #include <asm/processor.h> @@ -147,3 +148,33 @@ int cpu_eth_init(bd_t *bis) else return 0; } + +void cpu_irq_init(void) +{ + struct quark_rcba *rcba; + u32 base; + + base = x86_pci_read_config32(QUARK_LEGACY_BRIDGE, LB_RCBA); + base &= ~MEM_BAR_EN; + rcba = (struct quark_rcba *)base; + + /* + * Route Quark PCI device interrupt pin to PIRQ + * + * Route device#23's INTA/B/C/D to PIRQA/B/C/D + * Route device#20,21's INTA/B/C/D to PIRQE/F/G/H + */ + writew(PIRQC, &rcba->rmu_ir); + writew(PIRQA | (PIRQB << 4) | (PIRQC << 8) | (PIRQD << 12), + &rcba->d23_ir); + writew(PIRQD, &rcba->core_ir); + writew(PIRQE | (PIRQF << 4) | (PIRQG << 8) | (PIRQH << 12), + &rcba->d20d21_ir); +} + +int arch_misc_init(void) +{ + pirq_init(); + + return 0; +} diff --git a/arch/x86/cpu/queensbay/Makefile b/arch/x86/cpu/queensbay/Makefile index 4599a48..d8761fd 100644 --- a/arch/x86/cpu/queensbay/Makefile +++ b/arch/x86/cpu/queensbay/Makefile @@ -5,5 +5,5 @@ # obj-y += fsp_configs.o -obj-y += irq.o tnc.o topcliff.o +obj-y += tnc.o topcliff.o obj-$(CONFIG_PCI) += tnc_pci.o diff --git a/arch/x86/cpu/queensbay/irq.c b/arch/x86/cpu/queensbay/irq.c deleted file mode 100644 index faf9515..0000000 --- a/arch/x86/cpu/queensbay/irq.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <errno.h> -#include <malloc.h> -#include <asm/io.h> -#include <asm/pci.h> -#include <asm/post.h> -#include <asm/processor.h> -#include <asm/pirq_routing.h> -#include <asm/arch/device.h> -#include <asm/arch/tnc.h> -#include <asm/arch/irq.h> - -static struct irq_routing_table *pirq_routing_table; - -bool pirq_check_irq_routed(int link, u8 irq) -{ - u8 pirq; - - pirq = x86_pci_read_config8(TNC_LPC, LINK_N2V(link)); - pirq &= 0xf; - - /* IRQ# 0/1/2/8/13 are reserved */ - if (pirq < 3 || pirq == 8 || pirq == 13) - return false; - - return pirq == irq ? true : false; -} - -int pirq_translate_link(int link) -{ - return LINK_V2N(link); -} - -void pirq_assign_irq(int link, u8 irq) -{ - /* IRQ# 0/1/2/8/13 are reserved */ - if (irq < 3 || irq == 8 || irq == 13) - return; - - x86_pci_write_config8(TNC_LPC, LINK_N2V(link), irq); -} - -static inline void fill_irq_info(struct irq_info **slotp, int *entries, u8 bus, - u8 device, u8 func, u8 pin, u8 pirq) -{ - struct irq_info *slot = *slotp; - - slot->bus = bus; - slot->devfn = (device << 3) | func; - slot->irq[pin - 1].link = LINK_N2V(pirq); - slot->irq[pin - 1].bitmap = PIRQ_BITMAP; - (*entries)++; - (*slotp)++; -} - -/* PCIe port downstream INTx swizzle */ -static inline u8 pin_swizzle(u8 pin, int port) -{ - return (pin + port) % 4; -} - -__weak int board_fill_irq_info(struct irq_info *slot) -{ - return 0; -} - -static int create_pirq_routing_table(void) -{ - struct irq_routing_table *rt; - struct irq_info *slot; - int irq_entries = 0; - pci_dev_t tcf_bdf; - u8 tcf_bus, bus; - int i; - - rt = malloc(sizeof(struct irq_routing_table)); - if (!rt) - return -ENOMEM; - memset((char *)rt, 0, sizeof(struct irq_routing_table)); - - /* Populate the PIRQ table fields */ - rt->signature = PIRQ_SIGNATURE; - rt->version = PIRQ_VERSION; - rt->rtr_bus = 0; - rt->rtr_devfn = (TNC_LPC_DEV << 3) | TNC_LPC_FUNC; - rt->rtr_vendor = PCI_VENDOR_ID_INTEL; - rt->rtr_device = PCI_DEVICE_ID_INTEL_ICH7_31; - - slot = rt->slots; - - /* - * Now fill in the irq_info entries in the PIRQ table - * - * We start from internal TunnelCreek PCI devices first, then - * followed by all the 4 PCIe ports downstream devices, including - * the Queensbay platform Topcliff chipset devices. - */ - fill_irq_info(&slot, &irq_entries, 0, TNC_IGD_DEV, - TNC_IGD_FUNC, INTA, PIRQE); - fill_irq_info(&slot, &irq_entries, 0, TNC_SDVO_DEV, - TNC_SDVO_FUNC, INTA, PIRQF); - fill_irq_info(&slot, &irq_entries, 0, TNC_HDA_DEV, - TNC_HDA_FUNC, INTA, PIRQG); - fill_irq_info(&slot, &irq_entries, 0, TNC_PCIE0_DEV, - TNC_PCIE0_FUNC, INTA, PIRQE); - fill_irq_info(&slot, &irq_entries, 0, TNC_PCIE1_DEV, - TNC_PCIE1_FUNC, INTA, PIRQF); - fill_irq_info(&slot, &irq_entries, 0, TNC_PCIE2_DEV, - TNC_PCIE2_FUNC, INTA, PIRQG); - fill_irq_info(&slot, &irq_entries, 0, TNC_PCIE3_DEV, - TNC_PCIE3_FUNC, INTA, PIRQH); - - /* Check which PCIe port the Topcliff chipset is connected to */ - tcf_bdf = pci_find_device(PCI_VENDOR_ID_INTEL, 0x8800, 0); - tcf_bus = PCI_BUS(tcf_bdf); - for (i = 0; i < 4; i++) { - bus = x86_pci_read_config8(PCI_BDF(0, TNC_PCIE0_DEV + i, 0), - PCI_SECONDARY_BUS); - if (bus == tcf_bus) - break; - } - - /* Fill in the Topcliff chipset devices' irq info */ - if (i < 4) { - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_PCIE_PORT_DEV, - TCF_PCIE_PORT_FUNC, INTA, pin_swizzle(PIRQA, i)); - - tcf_bus++; - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_0, - TCF_GBE_FUNC, INTA, pin_swizzle(PIRQA, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_0, - TCF_GPIO_FUNC, INTA, pin_swizzle(PIRQA, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_2, - TCF_USB1_OHCI0_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_2, - TCF_USB1_OHCI1_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_2, - TCF_USB1_OHCI2_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_2, - TCF_USB1_EHCI_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_2, - TCF_USB_DEVICE_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_4, - TCF_SDIO0_FUNC, INTC, pin_swizzle(PIRQC, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_4, - TCF_SDIO1_FUNC, INTC, pin_swizzle(PIRQC, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_6, - TCF_SATA_FUNC, INTD, pin_swizzle(PIRQD, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_8, - TCF_USB2_OHCI0_FUNC, INTA, pin_swizzle(PIRQA, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_8, - TCF_USB2_OHCI1_FUNC, INTA, pin_swizzle(PIRQA, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_8, - TCF_USB2_OHCI2_FUNC, INTA, pin_swizzle(PIRQA, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_8, - TCF_USB2_EHCI_FUNC, INTA, pin_swizzle(PIRQA, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_10, - TCF_DMA1_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_10, - TCF_UART0_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_10, - TCF_UART1_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_10, - TCF_UART2_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_10, - TCF_UART3_FUNC, INTB, pin_swizzle(PIRQB, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_12, - TCF_DMA2_FUNC, INTC, pin_swizzle(PIRQC, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_12, - TCF_SPI_FUNC, INTC, pin_swizzle(PIRQC, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_12, - TCF_I2C_FUNC, INTC, pin_swizzle(PIRQC, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_12, - TCF_CAN_FUNC, INTC, pin_swizzle(PIRQC, i)); - fill_irq_info(&slot, &irq_entries, tcf_bus, TCF_DEV_12, - TCF_1588_FUNC, INTC, pin_swizzle(PIRQC, i)); - } - - /* Call board-specific routine to fill in add-in card's irq info */ - irq_entries += board_fill_irq_info(slot); - - rt->size = irq_entries * sizeof(struct irq_info) + 32; - - pirq_routing_table = rt; - - return 0; -} - -void pirq_init(void) -{ - struct tnc_rcba *rcba; - u32 base; - - base = x86_pci_read_config32(TNC_LPC, LPC_RCBA); - base &= ~MEM_BAR_EN; - rcba = (struct tnc_rcba *)base; - - /* Make sure all internal PCI devices are using INTA */ - writel(INTA, &rcba->d02ip); - writel(INTA, &rcba->d03ip); - writel(INTA, &rcba->d27ip); - writel(INTA, &rcba->d31ip); - writel(INTA, &rcba->d23ip); - writel(INTA, &rcba->d24ip); - writel(INTA, &rcba->d25ip); - writel(INTA, &rcba->d26ip); - - /* - * Route TunnelCreek PCI device interrupt pin to PIRQ - * - * Since PCIe downstream ports received INTx are routed to PIRQ - * A/B/C/D directly and not configurable, we route internal PCI - * device's INTx to PIRQ E/F/G/H. - */ - writew(PIRQE, &rcba->d02ir); - writew(PIRQF, &rcba->d03ir); - writew(PIRQG, &rcba->d27ir); - writew(PIRQH, &rcba->d31ir); - writew(PIRQE, &rcba->d23ir); - writew(PIRQF, &rcba->d24ir); - writew(PIRQG, &rcba->d25ir); - writew(PIRQH, &rcba->d26ir); - - if (create_pirq_routing_table()) { - debug("Failed to create pirq routing table\n"); - } else { - /* Route PIRQ */ - pirq_route_irqs(pirq_routing_table->slots, - get_irq_slot_count(pirq_routing_table)); - } -} - -u32 write_pirq_routing_table(u32 addr) -{ - return copy_pirq_routing_table(addr, pirq_routing_table); -} diff --git a/arch/x86/cpu/queensbay/tnc.c b/arch/x86/cpu/queensbay/tnc.c index b46a7e9..873de7b 100644 --- a/arch/x86/cpu/queensbay/tnc.c +++ b/arch/x86/cpu/queensbay/tnc.c @@ -6,10 +6,11 @@ #include <common.h> #include <asm/io.h> +#include <asm/irq.h> #include <asm/pci.h> #include <asm/post.h> #include <asm/arch/device.h> -#include <asm/arch/irq.h> +#include <asm/arch/tnc.h> #include <asm/fsp/fsp_support.h> #include <asm/processor.h> @@ -45,6 +46,42 @@ int arch_cpu_init(void) return 0; } +void cpu_irq_init(void) +{ + struct tnc_rcba *rcba; + u32 base; + + base = x86_pci_read_config32(TNC_LPC, LPC_RCBA); + base &= ~MEM_BAR_EN; + rcba = (struct tnc_rcba *)base; + + /* Make sure all internal PCI devices are using INTA */ + writel(INTA, &rcba->d02ip); + writel(INTA, &rcba->d03ip); + writel(INTA, &rcba->d27ip); + writel(INTA, &rcba->d31ip); + writel(INTA, &rcba->d23ip); + writel(INTA, &rcba->d24ip); + writel(INTA, &rcba->d25ip); + writel(INTA, &rcba->d26ip); + + /* + * Route TunnelCreek PCI device interrupt pin to PIRQ + * + * Since PCIe downstream ports received INTx are routed to PIRQ + * A/B/C/D directly and not configurable, we route internal PCI + * device's INTx to PIRQ E/F/G/H. + */ + writew(PIRQE, &rcba->d02ir); + writew(PIRQF, &rcba->d03ir); + writew(PIRQG, &rcba->d27ir); + writew(PIRQH, &rcba->d31ir); + writew(PIRQE, &rcba->d23ir); + writew(PIRQF, &rcba->d24ir); + writew(PIRQG, &rcba->d25ir); + writew(PIRQH, &rcba->d26ir); +} + int arch_misc_init(void) { pirq_init(); diff --git a/arch/x86/dts/Makefile b/arch/x86/dts/Makefile index 431bbd8..f86514c 100644 --- a/arch/x86/dts/Makefile +++ b/arch/x86/dts/Makefile @@ -2,7 +2,9 @@ dtb-y += chromebook_link.dtb \ chromebox_panther.dtb \ crownbay.dtb \ galileo.dtb \ - minnowmax.dtb + minnowmax.dtb \ + qemu-x86_i440fx.dtb \ + qemu-x86_q35.dtb targets += $(dtb-y) diff --git a/arch/x86/dts/crownbay.dts b/arch/x86/dts/crownbay.dts index fbdeade..d68efda 100644 --- a/arch/x86/dts/crownbay.dts +++ b/arch/x86/dts/crownbay.dts @@ -6,6 +6,8 @@ /dts-v1/; +#include <dt-bindings/interrupt-router/intel-irq.h> + /include/ "skeleton.dtsi" /include/ "serial.dtsi" @@ -135,6 +137,58 @@ }; }; }; + + irq-router@1f,0 { + reg = <0x0000f800 0 0 0 0>; + compatible = "intel,irq-router"; + intel,pirq-config = "pci"; + intel,pirq-link = <0x60 8>; + intel,pirq-mask = <0xdee0>; + intel,pirq-routing = < + /* TunnelCreek PCI devices */ + PCI_BDF(0, 2, 0) INTA PIRQE + PCI_BDF(0, 3, 0) INTA PIRQF + PCI_BDF(0, 23, 0) INTA PIRQE + PCI_BDF(0, 24, 0) INTA PIRQF + PCI_BDF(0, 25, 0) INTA PIRQG + PCI_BDF(0, 26, 0) INTA PIRQH + PCI_BDF(0, 27, 0) INTA PIRQG + /* + * Topcliff PCI devices + * + * Note on the Crown Bay board, Topcliff chipset + * is connected to TunnelCreek PCIe port 0, so + * its bus number is 1 for its PCIe port and 2 + * for its PCI devices per U-Boot currnet PCI + * bus enumeration algorithm. + */ + PCI_BDF(1, 0, 0) INTA PIRQA + PCI_BDF(2, 0, 1) INTA PIRQA + PCI_BDF(2, 0, 2) INTA PIRQA + PCI_BDF(2, 2, 0) INTB PIRQB + PCI_BDF(2, 2, 1) INTB PIRQB + PCI_BDF(2, 2, 2) INTB PIRQB + PCI_BDF(2, 2, 3) INTB PIRQB + PCI_BDF(2, 2, 4) INTB PIRQB + PCI_BDF(2, 4, 0) INTC PIRQC + PCI_BDF(2, 4, 1) INTC PIRQC + PCI_BDF(2, 6, 0) INTD PIRQD + PCI_BDF(2, 8, 0) INTA PIRQA + PCI_BDF(2, 8, 1) INTA PIRQA + PCI_BDF(2, 8, 2) INTA PIRQA + PCI_BDF(2, 8, 3) INTA PIRQA + PCI_BDF(2, 10, 0) INTB PIRQB + PCI_BDF(2, 10, 1) INTB PIRQB + PCI_BDF(2, 10, 2) INTB PIRQB + PCI_BDF(2, 10, 3) INTB PIRQB + PCI_BDF(2, 10, 4) INTB PIRQB + PCI_BDF(2, 12, 0) INTC PIRQC + PCI_BDF(2, 12, 1) INTC PIRQC + PCI_BDF(2, 12, 2) INTC PIRQC + PCI_BDF(2, 12, 3) INTC PIRQC + PCI_BDF(2, 12, 4) INTC PIRQC + >; + }; }; }; diff --git a/arch/x86/dts/galileo.dts b/arch/x86/dts/galileo.dts index 60dbc5f..2ba081e 100644 --- a/arch/x86/dts/galileo.dts +++ b/arch/x86/dts/galileo.dts @@ -7,6 +7,7 @@ /dts-v1/; #include <dt-bindings/mrc/quark.h> +#include <dt-bindings/interrupt-router/intel-irq.h> /include/ "skeleton.dtsi" @@ -67,6 +68,27 @@ clock-frequency = <44236800>; current-speed = <115200>; }; + + irq-router@1f,0 { + reg = <0x0000f800 0 0 0 0>; + compatible = "intel,irq-router"; + intel,pirq-config = "pci"; + intel,pirq-link = <0x60 8>; + intel,pirq-mask = <0xdef8>; + intel,pirq-routing = < + PCI_BDF(0, 20, 0) INTA PIRQE + PCI_BDF(0, 20, 1) INTB PIRQF + PCI_BDF(0, 20, 2) INTC PIRQG + PCI_BDF(0, 20, 3) INTD PIRQH + PCI_BDF(0, 20, 4) INTA PIRQE + PCI_BDF(0, 20, 5) INTB PIRQF + PCI_BDF(0, 20, 6) INTC PIRQG + PCI_BDF(0, 20, 7) INTD PIRQH + PCI_BDF(0, 21, 0) INTA PIRQE + PCI_BDF(0, 21, 1) INTB PIRQF + PCI_BDF(0, 21, 2) INTC PIRQG + >; + }; }; gpioa { diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts index 7103bc5..bd21bfb 100644 --- a/arch/x86/dts/minnowmax.dts +++ b/arch/x86/dts/minnowmax.dts @@ -6,6 +6,8 @@ /dts-v1/; +#include <dt-bindings/gpio/x86-gpio.h> + /include/ "skeleton.dtsi" /include/ "serial.dtsi" @@ -22,6 +24,27 @@ silent_console = <0>; }; + pch_pinctrl { + compatible = "intel,x86-pinctrl"; + io-base = <0x4c>; + + pin_usb_host_en0@0 { + gpio-offset = <0x80 8>; + pad-offset = <0x260>; + mode-gpio; + output-value = <1>; + direction = <PIN_OUTPUT>; + }; + + pin_usb_host_en1@0 { + gpio-offset = <0x80 9>; + pad-offset = <0x258>; + mode-gpio; + output-value = <1>; + direction = <PIN_OUTPUT>; + }; + }; + gpioa { compatible = "intel,ich6-gpio"; u-boot,dm-pre-reloc; diff --git a/arch/x86/dts/qemu-x86_i440fx.dts b/arch/x86/dts/qemu-x86_i440fx.dts new file mode 100644 index 0000000..557428a --- /dev/null +++ b/arch/x86/dts/qemu-x86_i440fx.dts @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/dts-v1/; + +#include <dt-bindings/interrupt-router/intel-irq.h> + +/include/ "skeleton.dtsi" +/include/ "serial.dtsi" + +/ { + model = "QEMU x86 (I440FX)"; + compatible = "qemu,x86"; + + config { + silent_console = <0>; + }; + + chosen { + stdout-path = "/serial"; + }; + + pci { + compatible = "pci-x86"; + #address-cells = <3>; + #size-cells = <2>; + u-boot,dm-pre-reloc; + ranges = <0x02000000 0x0 0xc0000000 0xc0000000 0 0x10000000 + 0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000 + 0x01000000 0x0 0x2000 0x2000 0 0xe000>; + + irq-router@1,0 { + reg = <0x00000800 0 0 0 0>; + compatible = "intel,irq-router"; + intel,pirq-config = "pci"; + intel,pirq-link = <0x60 4>; + intel,pirq-mask = <0x0e40>; + intel,pirq-routing = < + /* PIIX UHCI */ + PCI_BDF(0, 1, 2) INTD PIRQD + /* e1000 NIC */ + PCI_BDF(0, 3, 0) INTA PIRQC + >; + }; + }; + +}; diff --git a/arch/x86/dts/qemu-x86_q35.dts b/arch/x86/dts/qemu-x86_q35.dts new file mode 100644 index 0000000..c259f2a --- /dev/null +++ b/arch/x86/dts/qemu-x86_q35.dts @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/dts-v1/; + +#include <dt-bindings/interrupt-router/intel-irq.h> + +/* ICH9 IRQ router has discrete PIRQ control registers */ +#undef PIRQE +#undef PIRQF +#undef PIRQG +#undef PIRQH +#define PIRQE 8 +#define PIRQF 9 +#define PIRQG 10 +#define PIRQH 11 + +/include/ "skeleton.dtsi" +/include/ "serial.dtsi" + +/ { + model = "QEMU x86 (Q35)"; + compatible = "qemu,x86"; + + config { + silent_console = <0>; + u-boot,no-apm-finalize; + }; + + chosen { + stdout-path = "/serial"; + }; + + pci { + compatible = "pci-x86"; + #address-cells = <3>; + #size-cells = <2>; + u-boot,dm-pre-reloc; + ranges = <0x02000000 0x0 0xc0000000 0xc0000000 0 0x10000000 + 0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000 + 0x01000000 0x0 0x2000 0x2000 0 0xe000>; + + irq-router@1f,0 { + reg = <0x0000f800 0 0 0 0>; + compatible = "intel,irq-router"; + intel,pirq-config = "pci"; + intel,pirq-link = <0x60 8>; + intel,pirq-mask = <0x0e40>; + intel,pirq-routing = < + /* e1000 NIC */ + PCI_BDF(0, 2, 0) INTA PIRQG + /* ICH9 UHCI */ + PCI_BDF(0, 29, 0) INTA PIRQA + PCI_BDF(0, 29, 1) INTB PIRQB + PCI_BDF(0, 29, 2) INTC PIRQC + /* ICH9 EHCI */ + PCI_BDF(0, 29, 7) INTD PIRQD + /* ICH9 SATA */ + PCI_BDF(0, 31, 2) INTA PIRQA + >; + }; + }; + +}; diff --git a/arch/x86/include/asm/arch-qemu/device.h b/arch/x86/include/asm/arch-qemu/device.h new file mode 100644 index 0000000..75a435e --- /dev/null +++ b/arch/x86/include/asm/arch-qemu/device.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _QEMU_DEVICE_H_ +#define _QEMU_DEVICE_H_ + +#include <pci.h> + +#define QEMU_I440FX PCI_BDF(0, 0, 0) +#define PIIX_ISA PCI_BDF(0, 1, 0) +#define PIIX_IDE PCI_BDF(0, 1, 1) +#define PIIX_USB PCI_BDF(0, 1, 2) +#define I440FX_VGA PCI_BDF(0, 2, 0) + +#define QEMU_Q35 PCI_BDF(0, 0, 0) +#define Q35_VGA PCI_BDF(0, 1, 0) + +#endif /* _QEMU_DEVICE_H_ */ diff --git a/arch/x86/include/asm/arch-qemu/gpio.h b/arch/x86/include/asm/arch-qemu/gpio.h new file mode 100644 index 0000000..ca8cba4 --- /dev/null +++ b/arch/x86/include/asm/arch-qemu/gpio.h @@ -0,0 +1,13 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _X86_ARCH_GPIO_H_ +#define _X86_ARCH_GPIO_H_ + +/* Where in config space is the register that points to the GPIO registers? */ +#define PCI_CFG_GPIOBASE 0x44 + +#endif /* _X86_ARCH_GPIO_H_ */ diff --git a/arch/x86/include/asm/arch-qemu/qemu.h b/arch/x86/include/asm/arch-qemu/qemu.h new file mode 100644 index 0000000..5cbffff --- /dev/null +++ b/arch/x86/include/asm/arch-qemu/qemu.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ARCH_QEMU_H_ +#define _ARCH_QEMU_H_ + +/* Programmable Attribute Map (PAM) Registers */ +#define I440FX_PAM 0x59 +#define Q35_PAM 0x90 +#define PAM_NUM 7 +#define PAM_RW 0x33 + +/* IDE Timing Register */ +#define IDE0_TIM 0x40 +#define IDE1_TIM 0x42 +#define IDE_DECODE_EN 0x8000 + +/* I/O Ports */ +#define CMOS_ADDR_PORT 0x70 +#define CMOS_DATA_PORT 0x71 + +#define LOW_RAM_ADDR 0x34 +#define HIGH_RAM_ADDR 0x35 + +#endif /* _ARCH_QEMU_H_ */ diff --git a/arch/x86/include/asm/arch-quark/device.h b/arch/x86/include/asm/arch-quark/device.h index 4af3ded..7882f33 100644 --- a/arch/x86/include/asm/arch-quark/device.h +++ b/arch/x86/include/asm/arch-quark/device.h @@ -9,20 +9,60 @@ #include <pci.h> -#define QUARK_HOST_BRIDGE PCI_BDF(0, 0, 0) -#define QUARK_MMC_SDIO PCI_BDF(0, 20, 0) -#define QUARK_UART0 PCI_BDF(0, 20, 1) -#define QUARK_USB_DEVICE PCI_BDF(0, 20, 2) -#define QUARK_USB_EHCI PCI_BDF(0, 20, 3) -#define QUARK_USB_OHCI PCI_BDF(0, 20, 4) -#define QUARK_UART1 PCI_BDF(0, 20, 5) -#define QUARK_EMAC0 PCI_BDF(0, 20, 6) -#define QUARK_EMAC1 PCI_BDF(0, 20, 7) -#define QUARK_SPI0 PCI_BDF(0, 21, 0) -#define QUARK_SPI1 PCI_BDF(0, 21, 1) -#define QUARK_I2C_GPIO PCI_BDF(0, 21, 2) -#define QUARK_PCIE0 PCI_BDF(0, 23, 0) -#define QUARK_PCIE1 PCI_BDF(0, 23, 1) -#define QUARK_LEGACY_BRIDGE PCI_BDF(0, 31, 0) +#define QUARK_HOST_BRIDGE_DEV 0 +#define QUARK_HOST_BRIDGE_FUNC 0 + +#define QUARK_DEV_20 20 +#define QUARK_MMC_SDIO_FUNC 0 +#define QUARK_UART0_FUNC 1 +#define QUARK_USB_DEVICE_FUNC 2 +#define QUARK_USB_EHCI_FUNC 3 +#define QUARK_USB_OHCI_FUNC 4 +#define QUARK_UART1_FUNC 5 +#define QUARK_EMAC0_FUNC 6 +#define QUARK_EMAC1_FUNC 7 + +#define QUARK_DEV_21 21 +#define QUARK_SPI0_FUNC 0 +#define QUARK_SPI1_FUNC 1 +#define QUARK_I2C_GPIO_FUNC 2 + +#define QUARK_DEV_23 23 +#define QUARK_PCIE0_FUNC 0 +#define QUARK_PCIE1_FUNC 1 + +#define QUARK_LGC_BRIDGE_DEV 31 +#define QUARK_LGC_BRIDGE_FUNC 0 + +#define QUARK_HOST_BRIDGE \ + PCI_BDF(0, QUARK_HOST_BRIDGE_DEV, QUARK_HOST_BRIDGE_FUNC) +#define QUARK_MMC_SDIO \ + PCI_BDF(0, QUARK_DEV_20, QUARK_MMC_SDIO_FUNC) +#define QUARK_UART0 \ + PCI_BDF(0, QUARK_DEV_20, QUARK_UART0_FUNC) +#define QUARK_USB_DEVICE \ + PCI_BDF(0, QUARK_DEV_20, QUARK_USB_DEVICE_FUNC) +#define QUARK_USB_EHCI \ + PCI_BDF(0, QUARK_DEV_20, QUARK_USB_EHCI_FUNC) +#define QUARK_USB_OHCI \ + PCI_BDF(0, QUARK_DEV_20, QUARK_USB_OHCI_FUNC) +#define QUARK_UART1 \ + PCI_BDF(0, QUARK_DEV_20, QUARK_UART1_FUNC) +#define QUARK_EMAC0 \ + PCI_BDF(0, QUARK_DEV_20, QUARK_EMAC0_FUNC) +#define QUARK_EMAC1 \ + PCI_BDF(0, QUARK_DEV_20, QUARK_EMAC1_FUNC) +#define QUARK_SPI0 \ + PCI_BDF(0, QUARK_DEV_21, QUARK_SPI0_FUNC) +#define QUARK_SPI1 \ + PCI_BDF(0, QUARK_DEV_21, QUARK_SPI1_FUNC) +#define QUARK_I2C_GPIO \ + PCI_BDF(0, QUARK_DEV_21, QUARK_I2C_GPIO_FUNC) +#define QUARK_PCIE0 \ + PCI_BDF(0, QUARK_DEV_23, QUARK_PCIE0_FUNC) +#define QUARK_PCIE1 \ + PCI_BDF(0, QUARK_DEV_23, QUARK_PCIE1_FUNC) +#define QUARK_LEGACY_BRIDGE \ + PCI_BDF(0, QUARK_LGC_BRIDGE_DEV, QUARK_LGC_BRIDGE_FUNC) #endif /* _QUARK_DEVICE_H_ */ diff --git a/arch/x86/include/asm/arch-quark/quark.h b/arch/x86/include/asm/arch-quark/quark.h index 6dd02fd..c997928 100644 --- a/arch/x86/include/asm/arch-quark/quark.h +++ b/arch/x86/include/asm/arch-quark/quark.h @@ -76,4 +76,19 @@ #define LB_BC 0xd8 #define LB_RCBA 0xf0 +#ifndef __ASSEMBLY__ + +/* Root Complex Register Block */ +struct quark_rcba { + u32 rctl; + u32 esd; + u32 rsvd1[3150]; + u16 rmu_ir; + u16 d23_ir; + u16 core_ir; + u16 d20d21_ir; +}; + +#endif /* __ASSEMBLY__ */ + #endif /* _QUARK_H_ */ diff --git a/arch/x86/include/asm/arch-queensbay/irq.h b/arch/x86/include/asm/arch-queensbay/irq.h deleted file mode 100644 index e7f8616..0000000 --- a/arch/x86/include/asm/arch-queensbay/irq.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _ARCH_IRQ_H_ -#define _ARCH_IRQ_H_ - -enum pci_int_pin { - INTX, - INTA, - INTB, - INTC, - INTD -}; - -enum pirq_pin { - PIRQA, - PIRQB, - PIRQC, - PIRQD, - PIRQE, - PIRQF, - PIRQG, - PIRQH -}; - -/* PIRQ link number and value conversion */ -#define LINK_V2N(link) (link - 0x60) -#define LINK_N2V(link) (link + 0x60) - -#define PIRQ_BITMAP 0xdee0 - -struct irq_info; - -/** - * board_fill_irq_info() - Board-specific irq_info fill routine - * - * This fills the irq_info table for any board-specific add-in cards. - * - * @slot: pointer to the struct irq_info that is to be filled in - * @return: number of entries were written to the struct irq_info - */ -int board_fill_irq_info(struct irq_info *slot); - -/** - * pirq_init() - Initialize platform PIRQ routing - * - * This initializes the PIRQ routing on the platform and configures all PCI - * devices' interrupt line register to a working IRQ number on the 8259 PIC. - */ -void pirq_init(void); - -#endif /* _ARCH_IRQ_H_ */ diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h index 1099427..ed85b08 100644 --- a/arch/x86/include/asm/gpio.h +++ b/arch/x86/include/asm/gpio.h @@ -147,6 +147,7 @@ struct pch_gpio_map { } set3; }; +int gpio_ich6_pinctrl_init(void); void setup_pch_gpios(u16 gpiobase, const struct pch_gpio_map *gpio); void ich_gpio_set_gpio_map(const struct pch_gpio_map *map); diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h new file mode 100644 index 0000000..4de5512 --- /dev/null +++ b/arch/x86/include/asm/irq.h @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ARCH_IRQ_H_ +#define _ARCH_IRQ_H_ + +#include <dt-bindings/interrupt-router/intel-irq.h> + +/** + * Intel interrupt router configuration mechanism + * + * There are two known ways of Intel interrupt router configuration mechanism + * so far. On most cases, the IRQ routing configuraiton is controlled by PCI + * configuraiton registers on the legacy bridge, normally PCI BDF(0, 31, 0). + * On some newer platforms like BayTrail and Braswell, the IRQ routing is now + * in the IBASE register block where IBASE is memory-mapped. + */ +enum pirq_config { + PIRQ_VIA_PCI, + PIRQ_VIA_IBASE +}; + +/** + * Intel interrupt router control block + * + * Its members' value will be filled in based on device tree's input. + * + * @config: PIRQ_VIA_PCI or PIRQ_VIA_IBASE + * @link_base: link value base number + * @irq_mask: IRQ mask reprenting the 16 IRQs in 8259, bit N is 1 means + * IRQ N is available to be routed + * @lb_bdf: irq router's PCI bus/device/function number encoding + * @ibase: IBASE register block base address + */ +struct irq_router { + int config; + u32 link_base; + u16 irq_mask; + u32 bdf; + u32 ibase; +}; + +struct pirq_routing { + int bdf; + int pin; + int pirq; +}; + +/* PIRQ link number and value conversion */ +#define LINK_V2N(link, base) (link - base) +#define LINK_N2V(link, base) (link + base) + +#define PIRQ_BITMAP 0xdef8 + +/** + * cpu_irq_init() - Initialize CPU IRQ routing + * + * This initializes some platform-specific registers related to IRQ routing, + * like configuring internal PCI devices to use which PCI interrupt pin, + * and which PCI interrupt pin is mapped to which PIRQ line. Note on some + * platforms, such IRQ routing might be hard-coded thus cannot configure. + */ +void cpu_irq_init(void); + +/** + * pirq_init() - Initialize platform PIRQ routing + * + * This initializes the PIRQ routing on the platform and configures all PCI + * devices' interrupt line register to a working IRQ number on the 8259 PIC. + */ +void pirq_init(void); + +#endif /* _ARCH_IRQ_H_ */ diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index be103c0..d1d21ed 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -16,7 +16,6 @@ void init_gd(gd_t *id, u64 *gdt_addr); void setup_gdt(gd_t *id, u64 *gdt_addr); int init_cache(void); int cleanup_before_linux(void); -void panic_puts(const char *str); /* cpu/.../timer.c */ void timer_isr(void *); diff --git a/arch/x86/lib/fsp/fsp_support.c b/arch/x86/lib/fsp/fsp_support.c index 5f96da1..5809235 100644 --- a/arch/x86/lib/fsp/fsp_support.c +++ b/arch/x86/lib/fsp/fsp_support.c @@ -279,7 +279,7 @@ u64 fsp_get_usable_highmem_top(const void *hob_list) res_desc = (struct hob_res_desc *)hdr; if (res_desc->type == RES_SYS_MEM) { phys_start = res_desc->phys_start; - /* Need memory above 1MB to be collected here */ + /* Need memory above 4GB to be collected here */ if (phys_start >= (phys_addr_t)FSP_HIGHMEM_BASE) top += (u32)(res_desc->len); } diff --git a/board/coreboot/coreboot/Kconfig b/board/coreboot/coreboot/Kconfig index 6a04158..3ff64f4 100644 --- a/board/coreboot/coreboot/Kconfig +++ b/board/coreboot/coreboot/Kconfig @@ -16,21 +16,21 @@ comment "coreboot-specific options" config SYS_CONFIG_NAME string "Board configuration file" - default "chromebook_link" + default "qemu-x86" help This option selects the board configuration file in include/configs/ directory to be used to build U-Boot for coreboot. config DEFAULT_DEVICE_TREE string "Board Device Tree Source (dts) file" - default "chromebook_link" + default "qemu-x86_i440fx" help This option selects the board Device Tree Source (dts) file in arch/x86/dts/ directory to be used to build U-Boot for coreboot. config SYS_CAR_ADDR hex "Board specific Cache-As-RAM (CAR) address" - default 0x19200000 + default 0x01920000 help This option specifies the board specific Cache-As-RAM (CAR) address. diff --git a/board/emulation/Kconfig b/board/emulation/Kconfig new file mode 100644 index 0000000..36809fd --- /dev/null +++ b/board/emulation/Kconfig @@ -0,0 +1,25 @@ +# +# Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +if VENDOR_EMULATION + +choice + prompt "Mainboard model" + +config TARGET_QEMU_X86 + bool "QEMU x86" + help + This is the QEMU emulated x86 board. U-Boot supports running + as a coreboot payload as well as bare boot without coreboot. + There are two types of x86 boards supported by QEMU which are + supported by U-Boot. They are via QEMU '-M pc', an i440FX/PIIX + chipset platform and '-M q35', a Q35/ICH9 chipset platform. + +endchoice + +source "board/emulation/qemu-x86/Kconfig" + +endif diff --git a/board/emulation/qemu-x86/Kconfig b/board/emulation/qemu-x86/Kconfig new file mode 100644 index 0000000..e777ef4 --- /dev/null +++ b/board/emulation/qemu-x86/Kconfig @@ -0,0 +1,24 @@ +if TARGET_QEMU_X86 + +config SYS_BOARD + default "qemu-x86" + +config SYS_VENDOR + default "emulation" + +config SYS_SOC + default "qemu" + +config SYS_CONFIG_NAME + default "qemu-x86" + +config SYS_TEXT_BASE + default 0xfff00000 + +config BOARD_SPECIFIC_OPTIONS # dummy + def_bool y + select X86_RESET_VECTOR + select QEMU + select BOARD_ROMSIZE_KB_1024 + +endif diff --git a/board/emulation/qemu-x86/MAINTAINERS b/board/emulation/qemu-x86/MAINTAINERS new file mode 100644 index 0000000..ea4dd19 --- /dev/null +++ b/board/emulation/qemu-x86/MAINTAINERS @@ -0,0 +1,6 @@ +QEMU X86 BOARD +M: Bin Meng <bmeng.cn@gmail.com> +S: Maintained +F: board/emulation/qemu-x86/ +F: include/configs/qemu-x86.h +F: configs/qemu-x86_defconfig diff --git a/board/emulation/qemu-x86/Makefile b/board/emulation/qemu-x86/Makefile new file mode 100644 index 0000000..ad2bbb9 --- /dev/null +++ b/board/emulation/qemu-x86/Makefile @@ -0,0 +1,7 @@ +# +# Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += qemu-x86.o start.o diff --git a/board/emulation/qemu-x86/qemu-x86.c b/board/emulation/qemu-x86/qemu-x86.c new file mode 100644 index 0000000..fedea81 --- /dev/null +++ b/board/emulation/qemu-x86/qemu-x86.c @@ -0,0 +1,13 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <netdev.h> + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} diff --git a/board/emulation/qemu-x86/start.S b/board/emulation/qemu-x86/start.S new file mode 100644 index 0000000..a71db69 --- /dev/null +++ b/board/emulation/qemu-x86/start.S @@ -0,0 +1,9 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +.globl early_board_init +early_board_init: + jmp early_board_init_ret diff --git a/board/intel/crownbay/crownbay.c b/board/intel/crownbay/crownbay.c index 31bb320..ad2d5b6 100644 --- a/board/intel/crownbay/crownbay.c +++ b/board/intel/crownbay/crownbay.c @@ -12,8 +12,6 @@ #define SERIAL_DEV PNP_DEV(0x2e, 4) -DECLARE_GLOBAL_DATA_PTR; - int board_early_init_f(void) { lpc47m_enable_serial(SERIAL_DEV, UART0_BASE, UART0_IRQ); diff --git a/board/intel/galileo/galileo.c b/board/intel/galileo/galileo.c index f2e7468..746ab27 100644 --- a/board/intel/galileo/galileo.c +++ b/board/intel/galileo/galileo.c @@ -6,8 +6,6 @@ #include <common.h> -DECLARE_GLOBAL_DATA_PTR; - int board_early_init_f(void) { return 0; diff --git a/board/intel/minnowmax/minnowmax.c b/board/intel/minnowmax/minnowmax.c index fd2070a..383cae0 100644 --- a/board/intel/minnowmax/minnowmax.c +++ b/board/intel/minnowmax/minnowmax.c @@ -5,6 +5,7 @@ */ #include <common.h> +#include <asm/gpio.h> #include <asm/ibmpc.h> #include <asm/pnp_def.h> #include <netdev.h> @@ -12,7 +13,13 @@ #define SERIAL_DEV PNP_DEV(0x2e, 4) -DECLARE_GLOBAL_DATA_PTR; +int arch_early_init_r(void) +{ + /* do the pin-muxing */ + gpio_ich6_pinctrl_init(); + + return 0; +} int board_early_init_f(void) { diff --git a/common/cmd_ide.c b/common/cmd_ide.c index 04a6d9b..ecd3e9d 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -79,7 +79,7 @@ static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len #ifdef CONFIG_ATAPI static void atapi_inquiry(block_dev_desc_t *dev_desc); -static ulong atapi_read(int device, ulong blknr, lbaint_t blkcnt, +static ulong atapi_read(int device, lbaint_t blknr, lbaint_t blkcnt, void *buffer); #endif @@ -1388,13 +1388,13 @@ static void atapi_inquiry(block_dev_desc_t *dev_desc) #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ #define ATAPI_READ_MAX_BLOCK (ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE) -ulong atapi_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer) +ulong atapi_read(int device, lbaint_t blknr, lbaint_t blkcnt, void *buffer) { ulong n = 0; unsigned char ccb[12]; /* Command descriptor block */ ulong cnt; - debug("atapi_read dev %d start %lX, blocks " LBAF " buffer at %lX\n", + debug("atapi_read dev %d start " LBAF " blocks " LBAF " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer); do { diff --git a/configs/coreboot-x86_defconfig b/configs/coreboot-x86_defconfig index 9bed74c..97ac1fa 100644 --- a/configs/coreboot-x86_defconfig +++ b/configs/coreboot-x86_defconfig @@ -1,5 +1,7 @@ CONFIG_X86=y +CONFIG_VENDOR_COREBOOT=y CONFIG_TARGET_COREBOOT=y CONFIG_CMD_NET=y CONFIG_OF_CONTROL=y CONFIG_DM_PCI=y +CONFIG_TSC_CALIBRATION_BYPASS=y diff --git a/configs/galileo_defconfig b/configs/galileo_defconfig index c0a937f..a3b564e 100644 --- a/configs/galileo_defconfig +++ b/configs/galileo_defconfig @@ -6,3 +6,4 @@ CONFIG_TARGET_GALILEO=y CONFIG_CMD_NET=y CONFIG_OF_CONTROL=y CONFIG_ETH_DESIGNWARE=y +CONFIG_GENERATE_PIRQ_TABLE=y diff --git a/configs/minnowmax_defconfig b/configs/minnowmax_defconfig index 87c99a8..744aca3 100644 --- a/configs/minnowmax_defconfig +++ b/configs/minnowmax_defconfig @@ -3,6 +3,7 @@ CONFIG_VENDOR_INTEL=y CONFIG_DEFAULT_DEVICE_TREE="minnowmax" CONFIG_TARGET_MINNOWMAX=y CONFIG_HAVE_INTEL_ME=y +CONFIG_VIDEO_VESA=y CONFIG_FRAMEBUFFER_SET_VESA_MODE=y CONFIG_FRAMEBUFFER_VESA_MODE_11A=y CONFIG_SMP=y diff --git a/configs/qemu-x86_defconfig b/configs/qemu-x86_defconfig new file mode 100644 index 0000000..901cbd7 --- /dev/null +++ b/configs/qemu-x86_defconfig @@ -0,0 +1,10 @@ +CONFIG_X86=y +CONFIG_VENDOR_EMULATION=y +CONFIG_DEFAULT_DEVICE_TREE="qemu-x86_i440fx" +CONFIG_TARGET_QEMU_X86=y +CONFIG_GENERATE_PIRQ_TABLE=y +CONFIG_CMD_NET=y +CONFIG_OF_CONTROL=y +CONFIG_VIDEO_VESA=y +CONFIG_FRAMEBUFFER_SET_VESA_MODE=y +CONFIG_FRAMEBUFFER_VESA_MODE_111=y diff --git a/doc/README.x86 b/doc/README.x86 index ef13fb4..c19f4a0 100644 --- a/doc/README.x86 +++ b/doc/README.x86 @@ -14,12 +14,13 @@ including supported boards, build instructions, todo list, etc. Status ------ U-Boot supports running as a coreboot [1] payload on x86. So far only Link -(Chromebook Pixel) has been tested, but it should work with minimal adjustments -on other x86 boards since coreboot deals with most of the low-level details. +(Chromebook Pixel) and QEMU [2] x86 targets have been tested, but it should +work with minimal adjustments on other x86 boards since coreboot deals with +most of the low-level details. U-Boot also supports booting directly from x86 reset vector without coreboot, -aka raw support or bare support. Currently Link, Intel Crown Bay, Intel -Minnowboard Max and Intel Galileo support running U-Boot 'bare metal'. +aka raw support or bare support. Currently Link, QEMU x86 targets and all +Intel boards support running U-Boot 'bare metal'. As for loading an OS, U-Boot supports directly booting a 32-bit or 64-bit Linux kernel as part of a FIT image. It also supports a compressed zImage. @@ -32,15 +33,15 @@ on other architectures, like below: $ make coreboot-x86_defconfig $ make all -Note this default configuration will build a U-Boot payload for the Link board. +Note this default configuration will build a U-Boot payload for the QEMU board. To build a coreboot payload against another board, you can change the build configuration during the 'make menuconfig' process. x86 architecture ---> ... - (chromebook_link) Board configuration file - (chromebook_link) Board Device Tree Source (dts) file - (0x19200000) Board specific Cache-As-RAM (CAR) address + (qemu-x86) Board configuration file + (qemu-x86_i440fx) Board Device Tree Source (dts) file + (0x01920000) Board specific Cache-As-RAM (CAR) address (0x4000) Board specific Cache-As-RAM (CAR) size Change the 'Board configuration file' and 'Board Device Tree Source (dts) file' @@ -78,7 +79,7 @@ Find the following files: * ./northbridge/intel/sandybridge/systemagent-r6.bin The 3rd one should be renamed to mrc.bin. -As for the video ROM, you can get it here [2]. +As for the video ROM, you can get it here [3]. Make sure all these binary blobs are put in the board directory. Now you can build U-Boot and obtain u-boot.rom: @@ -88,8 +89,8 @@ $ make all Intel Crown Bay specific instructions: -U-Boot support of Intel Crown Bay board [3] relies on a binary blob called -Firmware Support Package [4] to perform all the necessary initialization steps +U-Boot support of Intel Crown Bay board [4] relies on a binary blob called +Firmware Support Package [5] to perform all the necessary initialization steps as documented in the BIOS Writer Guide, including initialization of the CPU, memory controller, chipset and certain bus interfaces. @@ -178,6 +179,21 @@ Now you can build U-Boot and obtain u-boot.rom $ make galileo_defconfig $ make all +QEMU x86 target instructions: + +To build u-boot.rom for QEMU x86 targets, just simply run + +$ make qemu-x86_defconfig +$ make all + +Note this default configuration will build a U-Boot for the QEMU x86 i440FX +board. To build a U-Boot against QEMU x86 Q35 board, you can change the build +configuration during the 'make menuconfig' process like below: + +Device Tree Control ---> + ... + (qemu-x86_q35) Default Device Tree for DT control + Test with coreboot ------------------ For testing U-Boot as the coreboot payload, there are things that need be paid @@ -207,10 +223,38 @@ At present it seems that for Minnowboard Max, coreboot does not pass through the video information correctly (it always says the resolution is 0x0). This works correctly for link though. +Test with QEMU +-------------- +QEMU is a fancy emulator that can enable us to test U-Boot without access to +a real x86 board. Please make sure your QEMU version is 2.3.0 or above test +U-Boot. To launch QEMU with u-boot.rom, call QEMU as follows: + +$ qemu-system-i386 -nographic -bios path/to/u-boot.rom + +This will instantiate an emulated x86 board with i440FX and PIIX chipset. QEMU +also supports emulating an x86 board with Q35 and ICH9 based chipset, which is +also supported by U-Boot. To instantiate such a machine, call QEMU with: + +$ qemu-system-i386 -nographic -bios path/to/u-boot.rom -M q35 + +Note by default QEMU instantiated boards only have 128 MiB system memory. But +it is enough to have U-Boot boot and function correctly. You can increase the +system memory by pass '-m' parameter to QEMU if you want more memory: + +$ qemu-system-i386 -nographic -bios path/to/u-boot.rom -m 1024 + +This creates a board with 1 GiB system memory. Currently U-Boot for QEMU only +supports 3 GiB maximum system memory and reserves the last 1 GiB address space +for PCI device memory-mapped I/O and other stuff, so the maximum value of '-m' +would be 3072. + +QEMU emulates a graphic card which U-Boot supports. Removing '-nographic' will +show QEMU's VGA console window. Note this will disable QEMU's serial output. +If you want to check both consoles, use '-serial stdio'. CPU Microcode ------------- -Modern CPUs usually require a special bit stream called microcode [5] to be +Modern CPUs usually require a special bit stream called microcode [6] to be loaded on the processor after power up in order to function properly. U-Boot has already integrated these as hex dumps in the source tree. @@ -227,7 +271,6 @@ arch/x86/dts/ for these device tree source files. Useful Commands --------------- - In keeping with the U-Boot philosophy of providing functions to check and adjust internal settings, there are several x86-specific commands that may be useful: @@ -314,7 +357,8 @@ TODO List References ---------- [1] http://www.coreboot.org -[2] http://www.coreboot.org/~stepan/pci8086,0166.rom -[3] http://www.intel.com/content/www/us/en/embedded/design-tools/evaluation-platforms/atom-e660-eg20t-development-kit.html -[4] http://www.intel.com/fsp -[5] http://en.wikipedia.org/wiki/Microcode +[2] http://www.qemu.org +[3] http://www.coreboot.org/~stepan/pci8086,0166.rom +[4] http://www.intel.com/content/www/us/en/embedded/design-tools/evaluation-platforms/atom-e660-eg20t-development-kit.html +[5] http://www.intel.com/fsp +[6] http://en.wikipedia.org/wiki/Microcode diff --git a/doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt b/doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt new file mode 100644 index 0000000..45ab1af --- /dev/null +++ b/doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt @@ -0,0 +1,31 @@ +Intel x86 PINCTRL/GPIO controller + +Pin-muxing on x86 can be described with a node for the PINCTRL master +node and a set of child nodes for each pin on the SoC. + +The PINCTRL master node requires the following properties: +- compatible : "intel,x86-pinctrl" + +Pin nodes must be children of the pinctrl master node and can +contain the following properties: +- pad-offset - (required) offset in the IOBASE for the pin to configured. +- gpio-offset - (required) offset in the GPIOBASE for the pin to configured and + also the bit shift in this register. +- mode-gpio - (optional) standalone property to force the pin into GPIO mode. +- mode-func - (optional) function number to assign to the pin. if 'mode-gpio' + is set, this property will be ignored. +in case of 'mode-gpio' property set: +- output-value - (optional) this set the default output value of the GPIO. +- direction - (optional) this set the direction of the gpio. +- pull-str - (optional) this set the pull strength of the pin. +- pull-assign - (optional) this set the pull assignement (up/down) of the pin. + +Example: + +pin_usb_host_en0@0 { + gpio-offset = <0x80 8>; + pad-offset = <0x260>; + mode-gpio; + output-value = <1>; + direction = <PIN_OUTPUT>; +}; diff --git a/doc/device-tree-bindings/misc/intel,irq-router.txt b/doc/device-tree-bindings/misc/intel,irq-router.txt new file mode 100644 index 0000000..598b4b1 --- /dev/null +++ b/doc/device-tree-bindings/misc/intel,irq-router.txt @@ -0,0 +1,50 @@ +Intel Interrupt Router Device Binding +===================================== + +The device tree node which describes the operation of the Intel Interrupt Router +device is as follows: + +Required properties : +- reg : Specifies the interrupt router's PCI configuration space address as + defined by the Open Firmware spec. +- compatible = "intel,irq-router" +- intel,pirq-config : Specifies the IRQ routing register programming mechanism. + Valid values are: + "pci": IRQ routing is controlled by PCI configuration registers + "ibase": IRQ routing is in the memory-mapped IBASE register block +- intel,ibase-offset : IBASE register offset in the interrupt router's PCI + configuration space, required only if intel,pirq-config = "ibase". +- intel,pirq-link : Specifies the PIRQ link information with two cells. The + first cell is the register offset that controls the first PIRQ link routing. + The second cell is the total number of PIRQ links the router supports. +- intel,pirq-mask : Specifies the IRQ mask reprenting the 16 IRQs in 8259 PIC. + Bit N is 1 means IRQ N is available to be routed. +- intel,pirq-routing : Specifies all PCI devices' IRQ routing information, + encoded as 3 cells a group for a device. The first cell is the device's PCI + bus number, device number and function number encoding with PCI_BDF() macro. + The second cell is the PCI interrupt pin used by this device. The last cell + is which PIRQ line the PCI interrupt pin is routed to. + + +Example +------- + +#include <dt-bindings/interrupt-router/intel-irq.h> + + irq-router@1f,0 { + reg = <0x0000f800 0 0 0 0>; + compatible = "intel,irq-router"; + intel,pirq-config = "pci"; + intel,pirq-link = <0x60 8>; + intel,pirq-mask = <0xdef8>; + intel,pirq-routing = < + PCI_BDF(0, 2, 0) INTA PIRQA + PCI_BDF(0, 3, 0) INTA PIRQB + PCI_BDF(0, 8, 0) INTA PIRQC + PCI_BDF(0, 8, 1) INTB PIRQD + PCI_BDF(1, 6, 0) INTA PIRQE + PCI_BDF(1, 6, 1) INTB PIRQF + PCI_BDF(1, 6, 2) INTC PIRQG + PCI_BDF(1, 6, 3) INTD PIRQH + >; + }; diff --git a/drivers/gpio/intel_ich6_gpio.c b/drivers/gpio/intel_ich6_gpio.c index 7e679a0..8a108f3 100644 --- a/drivers/gpio/intel_ich6_gpio.c +++ b/drivers/gpio/intel_ich6_gpio.c @@ -44,21 +44,28 @@ struct ich6_bank_priv { uint16_t lvl; }; +#define GPIO_USESEL_OFFSET(x) (x) +#define GPIO_IOSEL_OFFSET(x) (x + 4) +#define GPIO_LVL_OFFSET(x) (x + 8) + +#define IOPAD_MODE_MASK 0x7 +#define IOPAD_PULL_ASSIGN_SHIFT 7 +#define IOPAD_PULL_ASSIGN_MASK (0x3 << IOPAD_PULL_ASSIGN_SHIFT) +#define IOPAD_PULL_STRENGTH_SHIFT 9 +#define IOPAD_PULL_STRENGTH_MASK (0x3 << IOPAD_PULL_STRENGTH_SHIFT) + /* TODO: Move this to device tree, or platform data */ void ich_gpio_set_gpio_map(const struct pch_gpio_map *map) { gd->arch.gpio_map = map; } -static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) +static int gpio_ich6_get_base(unsigned long base) { - struct ich6_bank_platdata *plat = dev_get_platdata(dev); pci_dev_t pci_dev; /* handle for 0:1f:0 */ u8 tmpbyte; u16 tmpword; u32 tmplong; - u16 gpiobase; - int offset; /* Where should it be? */ pci_dev = PCI_BDF(0, 0x1f, 0); @@ -123,9 +130,9 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) * while on the Ivybridge the bit0 is used to indicate it is an * I/O space. */ - tmplong = x86_pci_read_config32(pci_dev, PCI_CFG_GPIOBASE); + tmplong = x86_pci_read_config32(pci_dev, base); if (tmplong == 0x00000000 || tmplong == 0xffffffff) { - debug("%s: unexpected GPIOBASE value\n", __func__); + debug("%s: unexpected BASE value\n", __func__); return -ENODEV; } @@ -135,7 +142,215 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) * at the offset that we just read. Bit 0 indicates that it's * an I/O address, not a memory address, so mask that off. */ - gpiobase = tmplong & 0xfffe; + return tmplong & 0xfffc; +} + +static int _ich6_gpio_set_value(uint16_t base, unsigned offset, int value) +{ + u32 val; + + val = inl(base); + if (value) + val |= (1UL << offset); + else + val &= ~(1UL << offset); + outl(val, base); + + return 0; +} + +static int _ich6_gpio_set_function(uint16_t base, unsigned offset, int func) +{ + u32 val; + + if (func) { + val = inl(base); + val |= (1UL << offset); + outl(val, base); + } else { + val = inl(base); + val &= ~(1UL << offset); + outl(val, base); + } + + return 0; +} + +static int _ich6_gpio_set_direction(uint16_t base, unsigned offset, int dir) +{ + u32 val; + + if (!dir) { + val = inl(base); + val |= (1UL << offset); + outl(val, base); + } else { + val = inl(base); + val &= ~(1UL << offset); + outl(val, base); + } + + return 0; +} + +static int _gpio_ich6_pinctrl_cfg_pin(s32 gpiobase, s32 iobase, int pin_node) +{ + u32 gpio_offset[2]; + int pad_offset; + int val; + int ret; + const void *prop; + + /* + * GPIO node is not mandatory, so we only do the + * pinmuxing if the node exist. + */ + ret = fdtdec_get_int_array(gd->fdt_blob, pin_node, "gpio-offset", + gpio_offset, 2); + if (!ret) { + /* Do we want to force the GPIO mode? */ + prop = fdt_getprop(gd->fdt_blob, pin_node, "mode-gpio", + NULL); + if (prop) + _ich6_gpio_set_function(GPIO_USESEL_OFFSET + (gpiobase) + + gpio_offset[0], + gpio_offset[1], 1); + + val = + fdtdec_get_int(gd->fdt_blob, pin_node, "direction", -1); + if (val != -1) + _ich6_gpio_set_direction(GPIO_IOSEL_OFFSET + (gpiobase) + + gpio_offset[0], + gpio_offset[1], val); + + val = + fdtdec_get_int(gd->fdt_blob, pin_node, "output-value", -1); + if (val != -1) + _ich6_gpio_set_value(GPIO_LVL_OFFSET(gpiobase) + + gpio_offset[0], + gpio_offset[1], val); + } + + /* if iobase is present, let's configure the pad */ + if (iobase != -1) { + int iobase_addr; + + /* + * The offset for the same pin for the IOBASE and GPIOBASE are + * different, so instead of maintaining a lookup table, + * the device tree should provide directly the correct + * value for both mapping. + */ + pad_offset = + fdtdec_get_int(gd->fdt_blob, pin_node, "pad-offset", -1); + if (pad_offset == -1) { + debug("%s: Invalid register io offset %d\n", + __func__, pad_offset); + return -EINVAL; + } + + /* compute the absolute pad address */ + iobase_addr = iobase + pad_offset; + + /* + * Do we need to set a specific function mode? + * If someone put also 'mode-gpio', this option will + * be just ignored by the controller + */ + val = fdtdec_get_int(gd->fdt_blob, pin_node, "mode-func", -1); + if (val != -1) + clrsetbits_le32(iobase_addr, IOPAD_MODE_MASK, val); + + /* Configure the pull-up/down if needed */ + val = fdtdec_get_int(gd->fdt_blob, pin_node, "pull-assign", -1); + if (val != -1) + clrsetbits_le32(iobase_addr, + IOPAD_PULL_ASSIGN_MASK, + val << IOPAD_PULL_ASSIGN_SHIFT); + + val = + fdtdec_get_int(gd->fdt_blob, pin_node, "pull-strength", -1); + if (val != -1) + clrsetbits_le32(iobase_addr, + IOPAD_PULL_STRENGTH_MASK, + val << IOPAD_PULL_STRENGTH_SHIFT); + + debug("%s: pad cfg [0x%x]: %08x\n", __func__, pad_offset, + readl(iobase_addr)); + } + + return 0; +} + +int gpio_ich6_pinctrl_init(void) +{ + int pin_node; + int node; + int ret; + int gpiobase; + int iobase_offset; + int iobase = -1; + + /* + * Get the memory/io base address to configure every pins. + * IOBASE is used to configure the mode/pads + * GPIOBASE is used to configure the direction and default value + */ + gpiobase = gpio_ich6_get_base(PCI_CFG_GPIOBASE); + if (gpiobase < 0) { + debug("%s: invalid GPIOBASE address (%08x)\n", __func__, + gpiobase); + return -EINVAL; + } + + /* This is not an error to not have a pinctrl node */ + node = + fdtdec_next_compatible(gd->fdt_blob, 0, COMPAT_INTEL_X86_PINCTRL); + if (node <= 0) { + debug("%s: no pinctrl node\n", __func__); + return 0; + } + + /* + * Get the IOBASE, this is not mandatory as this is not + * supported by all the CPU + */ + iobase_offset = fdtdec_get_int(gd->fdt_blob, node, "io-base", -1); + if (iobase_offset == -1) { + debug("%s: io-base offset not present\n", __func__); + } else { + iobase = gpio_ich6_get_base(iobase_offset); + if (iobase < 0) { + debug("%s: invalid IOBASE address (%08x)\n", __func__, + iobase); + return -EINVAL; + } + } + + for (pin_node = fdt_first_subnode(gd->fdt_blob, node); + pin_node > 0; + pin_node = fdt_next_subnode(gd->fdt_blob, pin_node)) { + /* Configure the pin */ + ret = _gpio_ich6_pinctrl_cfg_pin(gpiobase, iobase, pin_node); + if (ret != 0) { + debug("%s: invalid configuration for the pin %d\n", + __func__, pin_node); + return ret; + } + } + + return 0; +} + +static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) +{ + struct ich6_bank_platdata *plat = dev_get_platdata(dev); + u16 gpiobase; + int offset; + + gpiobase = gpio_ich6_get_base(PCI_CFG_GPIOBASE); offset = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "reg", -1); if (offset == -1) { debug("%s: Invalid register offset %d\n", __func__, offset); @@ -192,30 +407,24 @@ static int ich6_gpio_request(struct udevice *dev, unsigned offset, static int ich6_gpio_direction_input(struct udevice *dev, unsigned offset) { struct ich6_bank_priv *bank = dev_get_priv(dev); - u32 tmplong; - tmplong = inl(bank->io_sel); - tmplong |= (1UL << offset); - outl(bank->io_sel, tmplong); - return 0; + return _ich6_gpio_set_direction(inl(bank->io_sel), offset, 0); } static int ich6_gpio_direction_output(struct udevice *dev, unsigned offset, int value) { + int ret; struct ich6_bank_priv *bank = dev_get_priv(dev); - u32 tmplong; - gpio_set_value(offset, value); + ret = _ich6_gpio_set_direction(inl(bank->io_sel), offset, 1); + if (ret) + return ret; - tmplong = inl(bank->io_sel); - tmplong &= ~(1UL << offset); - outl(bank->io_sel, tmplong); - return 0; + return _ich6_gpio_set_value(bank->lvl, offset, value); } static int ich6_gpio_get_value(struct udevice *dev, unsigned offset) - { struct ich6_bank_priv *bank = dev_get_priv(dev); u32 tmplong; @@ -230,15 +439,7 @@ static int ich6_gpio_set_value(struct udevice *dev, unsigned offset, int value) { struct ich6_bank_priv *bank = dev_get_priv(dev); - u32 tmplong; - - tmplong = inl(bank->lvl); - if (value) - tmplong |= (1UL << offset); - else - tmplong &= ~(1UL << offset); - outl(bank->lvl, tmplong); - return 0; + return _ich6_gpio_set_value(bank->lvl, offset, value); } static int ich6_gpio_get_function(struct udevice *dev, unsigned offset) diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index d48d865..de87505 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -596,6 +596,7 @@ int pci_bridge_write_config(struct udevice *bus, pci_dev_t devfn, uint offset, UCLASS_DRIVER(pci) = { .id = UCLASS_PCI, .name = "pci", + .flags = DM_UC_FLAG_SEQ_ALIAS, .post_bind = pci_uclass_post_bind, .pre_probe = pci_uclass_pre_probe, .post_probe = pci_uclass_post_probe, diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 5b6c6bc..157491c 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -186,72 +186,6 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index) return -1; } -/* - * - */ - -int __pci_hose_phys_to_bus(struct pci_controller *hose, - phys_addr_t phys_addr, - unsigned long flags, - unsigned long skip_mask, - pci_addr_t *ba) -{ - struct pci_region *res; - pci_addr_t bus_addr; - int i; - - for (i = 0; i < hose->region_count; i++) { - res = &hose->regions[i]; - - if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0) - continue; - - if (res->flags & skip_mask) - continue; - - bus_addr = phys_addr - res->phys_start + res->bus_start; - - if (bus_addr >= res->bus_start && - bus_addr < res->bus_start + res->size) { - *ba = bus_addr; - return 0; - } - } - - return 1; -} - -pci_addr_t pci_hose_phys_to_bus (struct pci_controller *hose, - phys_addr_t phys_addr, - unsigned long flags) -{ - pci_addr_t bus_addr = 0; - int ret; - - if (!hose) { - puts("pci_hose_phys_to_bus: invalid hose\n"); - return bus_addr; - } - - /* - * if PCI_REGION_MEM is set we do a two pass search with preference - * on matches that don't have PCI_REGION_SYS_MEMORY set - */ - if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { - ret = __pci_hose_phys_to_bus(hose, phys_addr, - flags, PCI_REGION_SYS_MEMORY, &bus_addr); - if (!ret) - return bus_addr; - } - - ret = __pci_hose_phys_to_bus(hose, phys_addr, flags, 0, &bus_addr); - - if (ret) - puts("pci_hose_phys_to_bus: invalid physical address\n"); - - return bus_addr; -} - int pci_hose_config_device(struct pci_controller *hose, pci_dev_t dev, unsigned long io, diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c index e8da977..7c10983 100644 --- a/drivers/pci/pci_auto.c +++ b/drivers/pci/pci_auto.c @@ -14,15 +14,12 @@ #include <errno.h> #include <pci.h> -#undef DEBUG #ifdef DEBUG #define DEBUGF(x...) printf(x) #else #define DEBUGF(x...) #endif /* DEBUG */ -#define PCIAUTO_IDE_MODE_MASK 0x05 - /* the user can define CONFIG_SYS_PCI_CACHE_LINE_SIZE to avoid problems */ #ifndef CONFIG_SYS_PCI_CACHE_LINE_SIZE #define CONFIG_SYS_PCI_CACHE_LINE_SIZE 8 @@ -425,7 +422,6 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev) { unsigned int sub_bus = PCI_BUS(dev); unsigned short class; - unsigned char prg_iface; int n; pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class); @@ -461,17 +457,6 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev) #endif break; - case PCI_CLASS_STORAGE_IDE: - pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &prg_iface); - if (!(prg_iface & PCIAUTO_IDE_MODE_MASK)) { - DEBUGF("PCI Autoconfig: Skipping legacy mode IDE controller\n"); - return sub_bus; - } - - pciauto_setup_device(hose, dev, 6, hose->pci_mem, - hose->pci_prefetch, hose->pci_io); - break; - case PCI_CLASS_BRIDGE_CARDBUS: /* * just do a minimal setup of the bridge, diff --git a/drivers/pci/pci_common.c b/drivers/pci/pci_common.c index 24c66bb..b9ff23f 100644 --- a/drivers/pci/pci_common.c +++ b/drivers/pci/pci_common.c @@ -182,10 +182,10 @@ u32 pci_read_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum) } int __pci_hose_bus_to_phys(struct pci_controller *hose, - pci_addr_t bus_addr, - unsigned long flags, - unsigned long skip_mask, - phys_addr_t *pa) + pci_addr_t bus_addr, + unsigned long flags, + unsigned long skip_mask, + phys_addr_t *pa) { struct pci_region *res; int i; @@ -240,6 +240,68 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller *hose, return phys_addr; } +int __pci_hose_phys_to_bus(struct pci_controller *hose, + phys_addr_t phys_addr, + unsigned long flags, + unsigned long skip_mask, + pci_addr_t *ba) +{ + struct pci_region *res; + pci_addr_t bus_addr; + int i; + + for (i = 0; i < hose->region_count; i++) { + res = &hose->regions[i]; + + if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0) + continue; + + if (res->flags & skip_mask) + continue; + + bus_addr = phys_addr - res->phys_start + res->bus_start; + + if (bus_addr >= res->bus_start && + bus_addr < res->bus_start + res->size) { + *ba = bus_addr; + return 0; + } + } + + return 1; +} + +pci_addr_t pci_hose_phys_to_bus(struct pci_controller *hose, + phys_addr_t phys_addr, + unsigned long flags) +{ + pci_addr_t bus_addr = 0; + int ret; + + if (!hose) { + puts("pci_hose_phys_to_bus: invalid hose\n"); + return bus_addr; + } + + /* + * if PCI_REGION_MEM is set we do a two pass search with preference + * on matches that don't have PCI_REGION_SYS_MEMORY set + */ + if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { + ret = __pci_hose_phys_to_bus(hose, phys_addr, + flags, PCI_REGION_SYS_MEMORY, &bus_addr); + if (!ret) + return bus_addr; + } + + ret = __pci_hose_phys_to_bus(hose, phys_addr, flags, 0, &bus_addr); + + if (ret) + puts("pci_hose_phys_to_bus: invalid physical address\n"); + + return bus_addr; +} + pci_dev_t pci_find_device(unsigned int vendor, unsigned int device, int index) { struct pci_device_id ids[2] = { {}, {0, 0} }; diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 2544301..9ae23e8 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1,6 +1,5 @@ config VIDEO_VESA bool "Enable VESA video driver support" - depends on X86 default n help Turn on this option to enable a very simple driver which uses vesa @@ -8,6 +7,144 @@ config VIDEO_VESA by U-Boot. This can in principle be used with any platform that supports PCI and video cards that support VESA BIOS Extension (VBE). +config FRAMEBUFFER_SET_VESA_MODE + bool "Set framebuffer graphics resolution" + depends on VIDEO_VESA + help + Set VESA/native framebuffer mode (needed for bootsplash and graphical + framebuffer console) + +choice + prompt "framebuffer graphics resolution" + default FRAMEBUFFER_VESA_MODE_117 + depends on FRAMEBUFFER_SET_VESA_MODE + help + This option sets the resolution used for the U-Boot framebuffer (and + bootsplash screen). + +config FRAMEBUFFER_VESA_MODE_100 + bool "640x400 256-color" + +config FRAMEBUFFER_VESA_MODE_101 + bool "640x480 256-color" + +config FRAMEBUFFER_VESA_MODE_102 + bool "800x600 16-color" + +config FRAMEBUFFER_VESA_MODE_103 + bool "800x600 256-color" + +config FRAMEBUFFER_VESA_MODE_104 + bool "1024x768 16-color" + +config FRAMEBUFFER_VESA_MODE_105 + bool "1024x7686 256-color" + +config FRAMEBUFFER_VESA_MODE_106 + bool "1280x1024 16-color" + +config FRAMEBUFFER_VESA_MODE_107 + bool "1280x1024 256-color" + +config FRAMEBUFFER_VESA_MODE_108 + bool "80x60 text" + +config FRAMEBUFFER_VESA_MODE_109 + bool "132x25 text" + +config FRAMEBUFFER_VESA_MODE_10A + bool "132x43 text" + +config FRAMEBUFFER_VESA_MODE_10B + bool "132x50 text" + +config FRAMEBUFFER_VESA_MODE_10C + bool "132x60 text" + +config FRAMEBUFFER_VESA_MODE_10D + bool "320x200 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_10E + bool "320x200 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_10F + bool "320x200 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_110 + bool "640x480 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_111 + bool "640x480 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_112 + bool "640x480 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_113 + bool "800x600 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_114 + bool "800x600 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_115 + bool "800x600 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_116 + bool "1024x768 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_117 + bool "1024x768 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_118 + bool "1024x768 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_119 + bool "1280x1024 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_11A + bool "1280x1024 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_11B + bool "1280x1024 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_USER + bool "Manually select VESA mode" + +endchoice + +# Map the config names to an integer (KB). +config FRAMEBUFFER_VESA_MODE + prompt "VESA mode" if FRAMEBUFFER_VESA_MODE_USER + hex + default 0x100 if FRAMEBUFFER_VESA_MODE_100 + default 0x101 if FRAMEBUFFER_VESA_MODE_101 + default 0x102 if FRAMEBUFFER_VESA_MODE_102 + default 0x103 if FRAMEBUFFER_VESA_MODE_103 + default 0x104 if FRAMEBUFFER_VESA_MODE_104 + default 0x105 if FRAMEBUFFER_VESA_MODE_105 + default 0x106 if FRAMEBUFFER_VESA_MODE_106 + default 0x107 if FRAMEBUFFER_VESA_MODE_107 + default 0x108 if FRAMEBUFFER_VESA_MODE_108 + default 0x109 if FRAMEBUFFER_VESA_MODE_109 + default 0x10A if FRAMEBUFFER_VESA_MODE_10A + default 0x10B if FRAMEBUFFER_VESA_MODE_10B + default 0x10C if FRAMEBUFFER_VESA_MODE_10C + default 0x10D if FRAMEBUFFER_VESA_MODE_10D + default 0x10E if FRAMEBUFFER_VESA_MODE_10E + default 0x10F if FRAMEBUFFER_VESA_MODE_10F + default 0x110 if FRAMEBUFFER_VESA_MODE_110 + default 0x111 if FRAMEBUFFER_VESA_MODE_111 + default 0x112 if FRAMEBUFFER_VESA_MODE_112 + default 0x113 if FRAMEBUFFER_VESA_MODE_113 + default 0x114 if FRAMEBUFFER_VESA_MODE_114 + default 0x115 if FRAMEBUFFER_VESA_MODE_115 + default 0x116 if FRAMEBUFFER_VESA_MODE_116 + default 0x117 if FRAMEBUFFER_VESA_MODE_117 + default 0x118 if FRAMEBUFFER_VESA_MODE_118 + default 0x119 if FRAMEBUFFER_VESA_MODE_119 + default 0x11A if FRAMEBUFFER_VESA_MODE_11A + default 0x11B if FRAMEBUFFER_VESA_MODE_11B + default 0x117 if FRAMEBUFFER_VESA_MODE_USER + config VIDEO_LCD_SSD2828 bool "SSD2828 bridge chip" default n diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 519bb0b..de91e57 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -42,7 +42,7 @@ * Note: With driver model, the label is allocated so there is no need for * the caller to preserve it. * - * @param gp GPIO number + * @param gpio GPIO number * @param label User label for this GPIO * @return 0 if ok, -1 on error */ @@ -127,7 +127,7 @@ struct gpio_desc { }; /** - * dm_gpio_is_valid() - Check if a GPIO is gpio_is_valie + * dm_gpio_is_valid() - Check if a GPIO is valid * * @desc: GPIO description containing device, offset and flags, * previously returned by gpio_request_by_name() @@ -167,7 +167,7 @@ int gpio_get_status(struct udevice *dev, int offset, char *buf, int buffsize); * * @dev: Device to check * @offset: Offset of device GPIO to check - * @namep: If non-NULL, this is set to the nane given when the GPIO + * @namep: If non-NULL, this is set to the name given when the GPIO * was requested, or -1 if it has not been requested * @return -ENODATA if the driver returned an unknown function, * -ENODEV if the device is not active, -EINVAL if the offset is invalid. @@ -186,7 +186,7 @@ int gpio_get_function(struct udevice *dev, int offset, const char **namep); * * @dev: Device to check * @offset: Offset of device GPIO to check - * @namep: If non-NULL, this is set to the nane given when the GPIO + * @namep: If non-NULL, this is set to the name given when the GPIO * was requested, or -1 if it has not been requested * @return -ENODATA if the driver returned an unknown function, * -ENODEV if the device is not active, -EINVAL if the offset is invalid. @@ -219,7 +219,7 @@ struct fdtdec_phandle_args; * Also it would be useful to standardise additional functions like * pullup, slew rate and drive strength. * - * gpio_request)( and gpio_free() are optional - if NULL then they will + * gpio_request() and gpio_free() are optional - if NULL then they will * not be called. * * Note that @offset is the offset from the base GPIO of the device. So @@ -271,7 +271,7 @@ struct dm_gpio_ops { * * @dev: GPIO device * @desc: Place to put GPIO description - * @args: Arguments provided in descripion + * @args: Arguments provided in description * @return 0 if OK, -ve on error */ int (*xlate)(struct udevice *dev, struct gpio_desc *desc, @@ -398,7 +398,7 @@ int gpio_request_by_name(struct udevice *dev, const char *list_name, /** * gpio_request_list_by_name() - Request a list of GPIOs * - * Reads all the GPIOs from a list and requetss them. See + * Reads all the GPIOs from a list and requests them. See * gpio_request_by_name() for additional details. Lists should not be * misused to hold unrelated or optional GPIOs. They should only be used * for things like parallel data lines. A zero phandle terminates the list @@ -533,7 +533,7 @@ int dm_gpio_set_dir_flags(struct gpio_desc *desc, ulong flags); /** * gpio_get_number() - Get the global GPIO number of a GPIO * - * This should only be used for debugging or interest. It returns the nummber + * This should only be used for debugging or interest. It returns the number * that should be used for gpio_get_value() etc. to access this GPIO. * * @desc: GPIO description containing device, offset and flags, diff --git a/include/configs/crownbay.h b/include/configs/crownbay.h index 4fef433..0e1f046 100644 --- a/include/configs/crownbay.h +++ b/include/configs/crownbay.h @@ -17,8 +17,6 @@ #define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_ARCH_MISC_INIT -#define CONFIG_NR_DRAM_BANKS 1 - #define CONFIG_X86_SERIAL #define CONFIG_SMSC_LPC47M diff --git a/include/configs/galileo.h b/include/configs/galileo.h index f780b8f..fd89bf3 100644 --- a/include/configs/galileo.h +++ b/include/configs/galileo.h @@ -15,8 +15,7 @@ #define CONFIG_SYS_MONITOR_LEN (1 << 20) #define CONFIG_BOARD_EARLY_INIT_F - -#define CONFIG_NR_DRAM_BANKS 1 +#define CONFIG_ARCH_MISC_INIT #define CONFIG_X86_SERIAL diff --git a/include/configs/minnowmax.h b/include/configs/minnowmax.h index 2a1915d..547765d 100644 --- a/include/configs/minnowmax.h +++ b/include/configs/minnowmax.h @@ -15,8 +15,7 @@ #define CONFIG_SYS_MONITOR_LEN (1 << 20) #define CONFIG_BOARD_EARLY_INIT_F - -#define CONFIG_NR_DRAM_BANKS 1 +#define CONFIG_ARCH_EARLY_INIT_R #define CONFIG_X86_SERIAL #define CONFIG_SMSC_LPC47M @@ -56,9 +55,6 @@ #define CONFIG_X86_OPTION_ROM_FILE vga.bin #define CONFIG_X86_OPTION_ROM_ADDR 0xfff90000 -#ifndef CONFIG_SYS_COREBOOT -#define CONFIG_VIDEO_VESA -#endif #define VIDEO_IO_OFFSET 0 #define CONFIG_X86EMU_RAW_IO #define CONFIG_VGA_AS_SINGLE_DEVICE diff --git a/include/configs/qemu-x86.h b/include/configs/qemu-x86.h new file mode 100644 index 0000000..78c296f --- /dev/null +++ b/include/configs/qemu-x86.h @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <configs/x86-common.h> + +#define CONFIG_SYS_MONITOR_LEN (1 << 20) +#define CONFIG_ARCH_MISC_INIT + +#define CONFIG_X86_SERIAL + +#define CONFIG_PCI_MEM_BUS 0xc0000000 +#define CONFIG_PCI_MEM_PHYS CONFIG_PCI_MEM_BUS +#define CONFIG_PCI_MEM_SIZE 0x10000000 + +#define CONFIG_PCI_PREF_BUS 0xd0000000 +#define CONFIG_PCI_PREF_PHYS CONFIG_PCI_PREF_BUS +#define CONFIG_PCI_PREF_SIZE 0x10000000 + +#define CONFIG_PCI_IO_BUS 0x2000 +#define CONFIG_PCI_IO_PHYS CONFIG_PCI_IO_BUS +#define CONFIG_PCI_IO_SIZE 0xe000 + +#define CONFIG_PCI_CONFIG_HOST_BRIDGE +#define CONFIG_PCI_PNP +#define CONFIG_E1000 + +#define CONFIG_STD_DEVICES_SETTINGS "stdin=serial,vga\0" \ + "stdout=serial,vga\0" \ + "stderr=serial,vga\0" + +/* + * ATA/SATA support for QEMU x86 targets + * - Only legacy IDE controller is supported for QEMU '-M pc' target + * - AHCI controller is supported for QEMU '-M q35' target + * + * Default configuraion is to support the QEMU default x86 target + * Undefine CONFIG_CMD_IDE to support q35 target + */ +#define CONFIG_CMD_IDE +#ifdef CONFIG_CMD_IDE +#define CONFIG_SYS_IDE_MAXBUS 2 +#define CONFIG_SYS_IDE_MAXDEVICE 4 +#define CONFIG_SYS_ATA_BASE_ADDR 0 +#define CONFIG_SYS_ATA_DATA_OFFSET 0 +#define CONFIG_SYS_ATA_REG_OFFSET 0 +#define CONFIG_SYS_ATA_ALT_OFFSET 0 +#define CONFIG_SYS_ATA_IDE0_OFFSET 0x1f0 +#define CONFIG_SYS_ATA_IDE1_OFFSET 0x170 +#define CONFIG_ATAPI + +#undef CONFIG_SCSI_AHCI +#undef CONFIG_CMD_SCSI +#else +#define CONFIG_SCSI_DEV_LIST \ + {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_AHCI} +#endif + +/* GPIO is not supported */ +#undef CONFIG_INTEL_ICH6_GPIO +#undef CONFIG_CMD_GPIO + +/* SPI is not supported */ +#undef CONFIG_ICH_SPI +#undef CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_IS_NOWHERE + +#endif /* __CONFIG_H */ diff --git a/include/configs/x86-chromebook.h b/include/configs/x86-chromebook.h index b6a76fe..e0e7fca 100644 --- a/include/configs/x86-chromebook.h +++ b/include/configs/x86-chromebook.h @@ -14,7 +14,6 @@ #define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_MISC_INIT_R -#define CONFIG_NR_DRAM_BANKS 8 #define CONFIG_X86_MRC_ADDR 0xfffa0000 #define CONFIG_CACHE_MRC_SIZE_KB 512 diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h index bf4758e..1917d87 100644 --- a/include/configs/x86-common.h +++ b/include/configs/x86-common.h @@ -21,6 +21,7 @@ #define CONFIG_DISPLAY_BOARDINFO_LATE #define CONFIG_DISPLAY_CPUINFO #define CONFIG_LAST_STAGE_INIT +#define CONFIG_NR_DRAM_BANKS 8 #define CONFIG_LMB #define CONFIG_OF_LIBFDT @@ -36,6 +37,7 @@ #define CONFIG_SCSI_AHCI #ifdef CONFIG_SCSI_AHCI #define CONFIG_LIBATA +#define CONFIG_LBA48 #define CONFIG_SYS_64BIT_LBA #define CONFIG_SYS_SCSI_MAX_SCSI_ID 2 @@ -75,10 +77,6 @@ #define CONFIG_SYS_HUSH_PARSER #define CONFIG_SUPPORT_VFAT -/************************************************************ - * ATAPI support (experimental) - ************************************************************/ -#define CONFIG_ATAPI /************************************************************ * DISK Partition support @@ -246,6 +244,7 @@ #define CONFIG_EXTRA_ENV_SETTINGS \ CONFIG_STD_DEVICES_SETTINGS \ + "pciconfighost=1\0" \ "netdev=eth0\0" \ "consoledev=ttyS0\0" \ "othbootargs=acpi=off\0" \ diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h index 4d737f4..c7310d7 100644 --- a/include/dm/uclass-id.h +++ b/include/dm/uclass-id.h @@ -39,20 +39,18 @@ enum uclass_id { UCLASS_PCH, /* x86 platform controller hub */ UCLASS_PCI, /* PCI bus */ UCLASS_PCI_GENERIC, /* Generic PCI bus device */ + UCLASS_PMIC, /* PMIC I/O device */ + UCLASS_REGULATOR, /* Regulator device */ UCLASS_RTC, /* Real time clock device */ UCLASS_SERIAL, /* Serial UART */ UCLASS_SPI, /* SPI bus */ - UCLASS_SPI_GENERIC, /* Generic SPI flash target */ UCLASS_SPI_FLASH, /* SPI flash */ + UCLASS_SPI_GENERIC, /* Generic SPI flash target */ UCLASS_THERMAL, /* Thermal sensor */ UCLASS_USB, /* USB bus */ UCLASS_USB_DEV_GENERIC, /* USB generic device */ UCLASS_USB_HUB, /* USB hub */ - /* Power Management */ - UCLASS_PMIC, /* PMIC I/O device */ - UCLASS_REGULATOR, /* REGULATOR device */ - UCLASS_COUNT, UCLASS_INVALID = -1, }; diff --git a/include/dt-bindings/gpio/x86-gpio.h b/include/dt-bindings/gpio/x86-gpio.h new file mode 100644 index 0000000..7f1de30 --- /dev/null +++ b/include/dt-bindings/gpio/x86-gpio.h @@ -0,0 +1,31 @@ +/* + * This header provides constants for binding intel,x86-pinctrl. + */ + +#ifndef _DT_BINDINGS_GPIO_X86_GPIO_H +#define _DT_BINDINGS_GPIO_X86_GPIO_H + +#include <dt-bindings/gpio/gpio.h> + +#define GPIO_MODE_NATIVE 0 +#define GPIO_MODE_GPIO 1 + +#define GPIO_MODE_FUNC0 0 +#define GPIO_MODE_FUNC1 1 +#define GPIO_MODE_FUNC2 2 +#define GPIO_MODE_FUNC3 3 +#define GPIO_MODE_FUNC4 4 +#define GPIO_MODE_FUNC5 5 +#define GPIO_MODE_FUNC6 6 + +#define PIN_INPUT 0 +#define PIN_OUTPUT 1 + +#define PIN_INPUT_NOPULL 0 +#define PIN_INPUT_PULLUP 1 +#define PIN_INPUT_PULLDOWN 2 + +#define PULL_STR_2K 0 +#define PULL_STR_20K 2 + +#endif diff --git a/include/dt-bindings/interrupt-router/intel-irq.h b/include/dt-bindings/interrupt-router/intel-irq.h new file mode 100644 index 0000000..5092f33 --- /dev/null +++ b/include/dt-bindings/interrupt-router/intel-irq.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _DT_BINDINGS_INTEL_IRQ_H_ +#define _DT_BINDINGS_INTEL_IRQ_H_ + +/* PCI interrupt pin */ +#define INTA 1 +#define INTB 2 +#define INTC 3 +#define INTD 4 + +/* PIRQs */ +#define PIRQA 0 +#define PIRQB 1 +#define PIRQC 2 +#define PIRQD 3 +#define PIRQE 4 +#define PIRQF 5 +#define PIRQG 6 +#define PIRQH 7 + +/* PCI bdf encoding */ +#ifndef PCI_BDF +#define PCI_BDF(b, d, f) ((b) << 16 | (d) << 11 | (f) << 8) +#endif + +#endif /* _DT_BINDINGS_INTEL_IRQ_H_ */ diff --git a/include/fdtdec.h b/include/fdtdec.h index 6bf5f61..4fb8a2a 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -176,8 +176,10 @@ enum fdt_compat_id { COMPAT_AMS_AS3722, /* AMS AS3722 PMIC */ COMPAT_INTEL_ICH_SPI, /* Intel ICH7/9 SPI controller */ COMPAT_INTEL_QRK_MRC, /* Intel Quark MRC */ + COMPAT_INTEL_X86_PINCTRL, /* Intel ICH7/9 pin control */ COMPAT_SOCIONEXT_XHCI, /* Socionext UniPhier xHCI */ COMPAT_INTEL_PCH, /* Intel PCH */ + COMPAT_INTEL_IRQ_ROUTER, /* Intel Interrupt Router */ COMPAT_COUNT, }; diff --git a/include/os.h b/include/os.h index ffbdce8..954a48c 100644 --- a/include/os.h +++ b/include/os.h @@ -112,6 +112,14 @@ void os_exit(int exit_code) __attribute__((noreturn)); void os_tty_raw(int fd, bool allow_sigs); /** + * Restore the tty to its original mode + * + * Call this to restore the original terminal mode, after it has been changed + * by os_tty_raw(). This is an internal function. + */ +void os_fd_restore(void); + +/** * Acquires some memory from the underlying os. * * \param length Number of bytes to be allocated diff --git a/include/pci_ids.h b/include/pci_ids.h index 2e66851..5771e12 100644 --- a/include/pci_ids.h +++ b/include/pci_ids.h @@ -2838,6 +2838,7 @@ #define PCI_DEVICE_ID_INTEL_ICH9_6 0x2930 #define PCI_DEVICE_ID_INTEL_ICH9_7 0x2916 #define PCI_DEVICE_ID_INTEL_ICH9_8 0x2918 +#define PCI_DEVICE_ID_INTEL_ICH9_AHCI 0x2922 #define PCI_DEVICE_ID_INTEL_I7_MCR 0x2c18 #define PCI_DEVICE_ID_INTEL_I7_MC_TAD 0x2c19 #define PCI_DEVICE_ID_INTEL_I7_MC_RAS 0x2c1a diff --git a/lib/fdtdec.c b/lib/fdtdec.c index b586da2..46dfcb6 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -75,8 +75,10 @@ static const char * const compat_names[COMPAT_COUNT] = { COMPAT(AMS_AS3722, "ams,as3722"), COMPAT(INTEL_ICH_SPI, "intel,ich-spi"), COMPAT(INTEL_QRK_MRC, "intel,quark-mrc"), + COMPAT(INTEL_X86_PINCTRL, "intel,x86-pinctrl"), COMPAT(SOCIONEXT_XHCI, "socionext,uniphier-xhci"), COMPAT(COMPAT_INTEL_PCH, "intel,bd82x6x"), + COMPAT(COMPAT_INTEL_IRQ_ROUTER, "intel,irq-router"), }; const char *fdtdec_get_compatible(enum fdt_compat_id id) diff --git a/test/dm/pci.c b/test/dm/pci.c index 2f3ae79..3ab4ba8 100644 --- a/test/dm/pci.c +++ b/test/dm/pci.c @@ -21,6 +21,17 @@ static int dm_test_pci_base(struct unit_test_state *uts) } DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); +/* Test that sandbox PCI bus numbering works correctly */ +static int dm_test_pci_busnum(struct unit_test_state *uts) +{ + struct udevice *bus; + + ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus)); + + return 0; +} +DM_TEST(dm_test_pci_busnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + /* Test that we can use the swapcase device correctly */ static int dm_test_pci_swapcase(struct unit_test_state *uts) { diff --git a/tools/ifdtool.c b/tools/ifdtool.c index 590ccc9..1d61df1 100644 --- a/tools/ifdtool.c +++ b/tools/ifdtool.c @@ -462,7 +462,7 @@ static int write_regions(char *image, int size) if (ret) return ret; dump_region(i, frba); - if (region.size == 0) + if (region.size <= 0) continue; region_fd = open(region_filename(i), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | |