Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756668Ab3G3Qnf (ORCPT ); Tue, 30 Jul 2013 12:43:35 -0400 Received: from mail-we0-f181.google.com ([74.125.82.181]:62496 "EHLO mail-we0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756356Ab3G3Qmm (ORCPT ); Tue, 30 Jul 2013 12:42:42 -0400 From: Leif Lindholm To: linux-efi@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, matt.fleming@intel.com, hpa@zytor.com, tglx@linutronix.de, patches@linaro.org, Leif Lindholm Subject: [PATCH 3/4] efi: ia64: use common code for (U)EFI configuration scanning Date: Tue, 30 Jul 2013 17:47:37 +0100 Message-Id: <1375202858-28470-4-git-send-email-leif.lindholm@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1375202858-28470-1-git-send-email-leif.lindholm@linaro.org> References: <1375202858-28470-1-git-send-email-leif.lindholm@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5117 Lines: 136 This patch makes ia64 use the new common code for configuration table scanning. It also removes the local definition of the global "efi" data structure. Introduces an early_memremap() alias for early_ioremap(), which should be fine given that early_ioremap() parses the memory map for determining type of mapping anyway. Signed-off-by: Leif Lindholm --- arch/ia64/include/asm/io.h | 1 + arch/ia64/kernel/efi.c | 54 +++++++++----------------------------------- 2 files changed, 12 insertions(+), 43 deletions(-) diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h index 74a7cc3..c439d28 100644 --- a/arch/ia64/include/asm/io.h +++ b/arch/ia64/include/asm/io.h @@ -424,6 +424,7 @@ extern void __iomem * ioremap(unsigned long offset, unsigned long size); extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); extern void iounmap (volatile void __iomem *addr); extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size); +#define early_memremap(phys_addr, size) early_ioremap(phys_addr, size) extern void early_iounmap (volatile void __iomem *addr, unsigned long size); static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned long size) { diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 51bce59..da5b462 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -44,10 +44,15 @@ #define EFI_DEBUG 0 +static __initdata unsigned long palo_phys; + +static __initdata efi_config_table_type_t arch_tables[] = { + {PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID, "PALO", &palo_phys}, + {NULL_GUID, NULL, 0}, +}; + extern efi_status_t efi_call_phys (void *, ...); -struct efi efi; -EXPORT_SYMBOL(efi); static efi_runtime_services_t *runtime; static u64 mem_limit = ~0UL, max_addr = ~0UL, min_addr = 0UL; @@ -423,9 +428,9 @@ static u8 __init palo_checksum(u8 *buffer, u32 length) * Parse and handle PALO table which is published at: * http://www.dig64.org/home/DIG64_PALO_R1_0.pdf */ -static void __init handle_palo(unsigned long palo_phys) +static void __init handle_palo(unsigned long phys_addr) { - struct palo_table *palo = __va(palo_phys); + struct palo_table *palo = __va(phys_addr); u8 checksum; if (strncmp(palo->signature, PALO_SIG, sizeof(PALO_SIG) - 1)) { @@ -467,12 +472,10 @@ void __init efi_init (void) { void *efi_map_start, *efi_map_end; - efi_config_table_t *config_tables; efi_char16_t *c16; u64 efi_desc_size; char *cp, vendor[100] = "unknown"; int i; - unsigned long palo_phys; /* * It's too early to be able to use the standard kernel command line @@ -514,8 +517,6 @@ efi_init (void) efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff); - config_tables = __va(efi.systab->tables); - /* Show what we know for posterity */ c16 = __va(efi.systab->fw_vendor); if (c16) { @@ -528,43 +529,10 @@ efi_init (void) efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff, vendor); - efi.mps = EFI_INVALID_TABLE_ADDR; - efi.acpi = EFI_INVALID_TABLE_ADDR; - efi.acpi20 = EFI_INVALID_TABLE_ADDR; - efi.smbios = EFI_INVALID_TABLE_ADDR; - efi.sal_systab = EFI_INVALID_TABLE_ADDR; - efi.boot_info = EFI_INVALID_TABLE_ADDR; - efi.hcdp = EFI_INVALID_TABLE_ADDR; - efi.uga = EFI_INVALID_TABLE_ADDR; - palo_phys = EFI_INVALID_TABLE_ADDR; - for (i = 0; i < (int) efi.systab->nr_tables; i++) { - if (efi_guidcmp(config_tables[i].guid, MPS_TABLE_GUID) == 0) { - efi.mps = config_tables[i].table; - printk(" MPS=0x%lx", config_tables[i].table); - } else if (efi_guidcmp(config_tables[i].guid, ACPI_20_TABLE_GUID) == 0) { - efi.acpi20 = config_tables[i].table; - printk(" ACPI 2.0=0x%lx", config_tables[i].table); - } else if (efi_guidcmp(config_tables[i].guid, ACPI_TABLE_GUID) == 0) { - efi.acpi = config_tables[i].table; - printk(" ACPI=0x%lx", config_tables[i].table); - } else if (efi_guidcmp(config_tables[i].guid, SMBIOS_TABLE_GUID) == 0) { - efi.smbios = config_tables[i].table; - printk(" SMBIOS=0x%lx", config_tables[i].table); - } else if (efi_guidcmp(config_tables[i].guid, SAL_SYSTEM_TABLE_GUID) == 0) { - efi.sal_systab = config_tables[i].table; - printk(" SALsystab=0x%lx", config_tables[i].table); - } else if (efi_guidcmp(config_tables[i].guid, HCDP_TABLE_GUID) == 0) { - efi.hcdp = config_tables[i].table; - printk(" HCDP=0x%lx", config_tables[i].table); - } else if (efi_guidcmp(config_tables[i].guid, - PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID) == 0) { - palo_phys = config_tables[i].table; - printk(" PALO=0x%lx", config_tables[i].table); - } - } - printk("\n"); + if (efi_config_init(arch_tables) != 0) + return; if (palo_phys != EFI_INVALID_TABLE_ADDR) handle_palo(palo_phys); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/