diff options
author | Ard Biesheuvel <ardb@kernel.org> | 2020-01-19 17:43:53 +0300 |
---|---|---|
committer | Ard Biesheuvel <ardb@kernel.org> | 2020-02-23 23:59:42 +0300 |
commit | 120540f230d5d2d32846adc0156b58961c8c59d1 (patch) | |
tree | 74b875c3caf0c7f35b8c85c93dd6d3a9d58cc19d | |
parent | 50d53c58dd77d3b0b6a5afe391eaac3722fc3153 (diff) | |
download | linux-120540f230d5d2d32846adc0156b58961c8c59d1.tar.xz |
efi/ia64: Move HCDP and MPS table handling into IA64 arch code
The HCDP and MPS tables are Itanium specific EFI config tables, so
move their handling to ia64 arch code.
Tested-by: Tony Luck <tony.luck@intel.com> # arch/ia64
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
-rw-r--r-- | arch/ia64/kernel/efi.c | 13 | ||||
-rw-r--r-- | arch/x86/platform/efi/efi.c | 2 | ||||
-rw-r--r-- | drivers/firmware/efi/efi.c | 14 | ||||
-rw-r--r-- | drivers/firmware/pcdp.c | 8 | ||||
-rw-r--r-- | include/linux/efi.h | 2 |
5 files changed, 24 insertions, 15 deletions
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 0a34dcc435c6..312308967a9d 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -45,11 +45,15 @@ #define EFI_DEBUG 0 +static unsigned long mps_phys = EFI_INVALID_TABLE_ADDR; static __initdata unsigned long palo_phys; +unsigned long hcdp_phys = EFI_INVALID_TABLE_ADDR; unsigned long sal_systab_phys = EFI_INVALID_TABLE_ADDR; static __initdata efi_config_table_type_t arch_tables[] = { + {HCDP_TABLE_GUID, "HCDP", &hcdp_phys}, + {MPS_TABLE_GUID, "MPS", &mps_phys}, {PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID, "PALO", &palo_phys}, {SAL_SYSTEM_TABLE_GUID, "SALsystab", &sal_systab_phys}, {NULL_GUID, NULL, 0}, @@ -1351,3 +1355,12 @@ vmcore_find_descriptor_size (unsigned long address) return ret; } #endif + +char *efi_systab_show_arch(char *str) +{ + if (mps_phys != EFI_INVALID_TABLE_ADDR) + str += sprintf(str, "MPS=0x%lx\n", mps_phys); + if (hcdp_phys != EFI_INVALID_TABLE_ADDR) + str += sprintf(str, "HCDP=0x%lx\n", hcdp_phys); + return str; +} diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 4970229fd822..61ebaae62894 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -65,12 +65,10 @@ static efi_config_table_type_t arch_tables[] __initdata = { }; static const unsigned long * const efi_tables[] = { - &efi.mps, &efi.acpi, &efi.acpi20, &efi.smbios, &efi.smbios3, - &efi.hcdp, &efi.uga, #ifdef CONFIG_X86_UV &uv_systab_phys, diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 5464e3849ee4..8129a52f8ef5 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -35,12 +35,10 @@ #include <asm/early_ioremap.h> struct efi __read_mostly efi = { - .mps = EFI_INVALID_TABLE_ADDR, .acpi = EFI_INVALID_TABLE_ADDR, .acpi20 = EFI_INVALID_TABLE_ADDR, .smbios = EFI_INVALID_TABLE_ADDR, .smbios3 = EFI_INVALID_TABLE_ADDR, - .hcdp = EFI_INVALID_TABLE_ADDR, .uga = EFI_INVALID_TABLE_ADDR, .fw_vendor = EFI_INVALID_TABLE_ADDR, .runtime = EFI_INVALID_TABLE_ADDR, @@ -121,8 +119,6 @@ static ssize_t systab_show(struct kobject *kobj, if (!kobj || !buf) return -EINVAL; - if (efi.mps != EFI_INVALID_TABLE_ADDR) - str += sprintf(str, "MPS=0x%lx\n", efi.mps); if (efi.acpi20 != EFI_INVALID_TABLE_ADDR) str += sprintf(str, "ACPI20=0x%lx\n", efi.acpi20); if (efi.acpi != EFI_INVALID_TABLE_ADDR) @@ -136,11 +132,15 @@ static ssize_t systab_show(struct kobject *kobj, str += sprintf(str, "SMBIOS3=0x%lx\n", efi.smbios3); if (efi.smbios != EFI_INVALID_TABLE_ADDR) str += sprintf(str, "SMBIOS=0x%lx\n", efi.smbios); - if (efi.hcdp != EFI_INVALID_TABLE_ADDR) - str += sprintf(str, "HCDP=0x%lx\n", efi.hcdp); if (efi.uga != EFI_INVALID_TABLE_ADDR) str += sprintf(str, "UGA=0x%lx\n", efi.uga); + if (IS_ENABLED(CONFIG_IA64)) { + extern char *efi_systab_show_arch(char *str); + + str = efi_systab_show_arch(str); + } + return str - buf; } @@ -467,8 +467,6 @@ void __init efi_mem_reserve(phys_addr_t addr, u64 size) static __initdata efi_config_table_type_t common_tables[] = { {ACPI_20_TABLE_GUID, "ACPI 2.0", &efi.acpi20}, {ACPI_TABLE_GUID, "ACPI", &efi.acpi}, - {HCDP_TABLE_GUID, "HCDP", &efi.hcdp}, - {MPS_TABLE_GUID, "MPS", &efi.mps}, {SMBIOS_TABLE_GUID, "SMBIOS", &efi.smbios}, {SMBIOS3_TABLE_GUID, "SMBIOS 3.0", &efi.smbios3}, {UGA_IO_PROTOCOL_GUID, "UGA", &efi.uga}, diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c index 4adeb7a2bdf5..715a45442d1c 100644 --- a/drivers/firmware/pcdp.c +++ b/drivers/firmware/pcdp.c @@ -80,6 +80,8 @@ setup_vga_console(struct pcdp_device *dev) #endif } +extern unsigned long hcdp_phys; + int __init efi_setup_pcdp_console(char *cmdline) { @@ -89,11 +91,11 @@ efi_setup_pcdp_console(char *cmdline) int i, serial = 0; int rc = -ENODEV; - if (efi.hcdp == EFI_INVALID_TABLE_ADDR) + if (hcdp_phys == EFI_INVALID_TABLE_ADDR) return -ENODEV; - pcdp = early_memremap(efi.hcdp, 4096); - printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, efi.hcdp); + pcdp = early_memremap(hcdp_phys, 4096); + printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, hcdp_phys); if (strstr(cmdline, "console=hcdp")) { if (pcdp->rev < 3) diff --git a/include/linux/efi.h b/include/linux/efi.h index c517d3b7986b..45443932104f 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -531,12 +531,10 @@ typedef struct { extern struct efi { efi_system_table_t *systab; /* EFI system table */ unsigned int runtime_version; /* Runtime services version */ - unsigned long mps; /* MPS table */ unsigned long acpi; /* ACPI table (IA64 ext 0.71) */ unsigned long acpi20; /* ACPI table (ACPI 2.0) */ unsigned long smbios; /* SMBIOS table (32 bit entry point) */ unsigned long smbios3; /* SMBIOS table (64 bit entry point) */ - unsigned long hcdp; /* HCDP table */ unsigned long uga; /* UGA table */ unsigned long fw_vendor; /* fw_vendor */ unsigned long runtime; /* runtime table */ |