From e75eac33b5c7f797e4b2ddcb39183cf268e26822 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 25 Jun 2006 05:46:50 -0700 Subject: [PATCH] Clean up and refactor i386 sub-architecture setup Clean up and refactor i386 sub-architecture setup. This change moves all the code from the asm-i386/mach-*/setup_arch_pre/post.h headers, into arch/i386/mach-*/setup.c. mach-*/setup_arch_pre.h is renamed to setup_arch.h, and contains only things which should be in header files. It is purely code-motion; there should be no functional changes at all. Several functions in arch/i386/kernel/setup.c needed to be made non-static so that they're visible to the code in mach-*/setup.c. asm-i386/setup.h is used to hold the prototypes for these functions. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Chris Wright Cc: Zachary Amsden Cc: Chris Wright Cc: Christian Limpach Cc: Martin Bligh Cc: James Bottomley Cc: Andrey Panin Cc: Dave Hansen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-i386/mach-default/setup_arch.h | 5 ++ include/asm-i386/mach-default/setup_arch_post.h | 40 -------------- include/asm-i386/mach-default/setup_arch_pre.h | 5 -- include/asm-i386/mach-visws/setup_arch.h | 5 ++ include/asm-i386/mach-visws/setup_arch_post.h | 49 ----------------- include/asm-i386/mach-visws/setup_arch_pre.h | 5 -- include/asm-i386/mach-voyager/setup_arch.h | 10 ++++ include/asm-i386/mach-voyager/setup_arch_post.h | 73 ------------------------- include/asm-i386/mach-voyager/setup_arch_pre.h | 10 ---- include/asm-i386/setup.h | 15 +++++ 10 files changed, 35 insertions(+), 182 deletions(-) create mode 100644 include/asm-i386/mach-default/setup_arch.h delete mode 100644 include/asm-i386/mach-default/setup_arch_post.h delete mode 100644 include/asm-i386/mach-default/setup_arch_pre.h create mode 100644 include/asm-i386/mach-visws/setup_arch.h delete mode 100644 include/asm-i386/mach-visws/setup_arch_post.h delete mode 100644 include/asm-i386/mach-visws/setup_arch_pre.h create mode 100644 include/asm-i386/mach-voyager/setup_arch.h delete mode 100644 include/asm-i386/mach-voyager/setup_arch_post.h delete mode 100644 include/asm-i386/mach-voyager/setup_arch_pre.h (limited to 'include') diff --git a/include/asm-i386/mach-default/setup_arch.h b/include/asm-i386/mach-default/setup_arch.h new file mode 100644 index 000000000000..fb42099e7bd4 --- /dev/null +++ b/include/asm-i386/mach-default/setup_arch.h @@ -0,0 +1,5 @@ +/* Hook to call BIOS initialisation function */ + +/* no action for generic */ + +#define ARCH_SETUP diff --git a/include/asm-i386/mach-default/setup_arch_post.h b/include/asm-i386/mach-default/setup_arch_post.h deleted file mode 100644 index 2fc4888721f6..000000000000 --- a/include/asm-i386/mach-default/setup_arch_post.h +++ /dev/null @@ -1,40 +0,0 @@ -/** - * machine_specific_memory_setup - Hook for machine specific memory setup. - * - * Description: - * This is included late in kernel/setup.c so that it can make - * use of all of the static functions. - **/ - -static char * __init machine_specific_memory_setup(void) -{ - char *who; - - - who = "BIOS-e820"; - - /* - * Try to copy the BIOS-supplied E820-map. - * - * Otherwise fake a memory map; one section from 0k->640k, - * the next section from 1mb->appropriate_mem_k - */ - sanitize_e820_map(E820_MAP, &E820_MAP_NR); - if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { - unsigned long mem_size; - - /* compare results from other methods and take the greater */ - if (ALT_MEM_K < EXT_MEM_K) { - mem_size = EXT_MEM_K; - who = "BIOS-88"; - } else { - mem_size = ALT_MEM_K; - who = "BIOS-e801"; - } - - e820.nr_map = 0; - add_memory_region(0, LOWMEMSIZE(), E820_RAM); - add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM); - } - return who; -} diff --git a/include/asm-i386/mach-default/setup_arch_pre.h b/include/asm-i386/mach-default/setup_arch_pre.h deleted file mode 100644 index fb42099e7bd4..000000000000 --- a/include/asm-i386/mach-default/setup_arch_pre.h +++ /dev/null @@ -1,5 +0,0 @@ -/* Hook to call BIOS initialisation function */ - -/* no action for generic */ - -#define ARCH_SETUP diff --git a/include/asm-i386/mach-visws/setup_arch.h b/include/asm-i386/mach-visws/setup_arch.h new file mode 100644 index 000000000000..b92d6d9a4d3c --- /dev/null +++ b/include/asm-i386/mach-visws/setup_arch.h @@ -0,0 +1,5 @@ +/* Hook to call BIOS initialisation function */ + +/* no action for visws */ + +#define ARCH_SETUP diff --git a/include/asm-i386/mach-visws/setup_arch_post.h b/include/asm-i386/mach-visws/setup_arch_post.h deleted file mode 100644 index cdbd895a54b1..000000000000 --- a/include/asm-i386/mach-visws/setup_arch_post.h +++ /dev/null @@ -1,49 +0,0 @@ -/* Hook for machine specific memory setup. - * - * This is included late in kernel/setup.c so that it can make use of all of - * the static functions. */ - -#define MB (1024 * 1024) - -unsigned long sgivwfb_mem_phys; -unsigned long sgivwfb_mem_size; - -long long mem_size __initdata = 0; - -static char * __init machine_specific_memory_setup(void) -{ - long long gfx_mem_size = 8 * MB; - - mem_size = ALT_MEM_K; - - if (!mem_size) { - printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n"); - mem_size = 128 * MB; - } - - /* - * this hardcodes the graphics memory to 8 MB - * it really should be sized dynamically (or at least - * set as a boot param) - */ - if (!sgivwfb_mem_size) { - printk(KERN_WARNING "Defaulting to 8 MB framebuffer size\n"); - sgivwfb_mem_size = 8 * MB; - } - - /* - * Trim to nearest MB - */ - sgivwfb_mem_size &= ~((1 << 20) - 1); - sgivwfb_mem_phys = mem_size - gfx_mem_size; - - add_memory_region(0, LOWMEMSIZE(), E820_RAM); - add_memory_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size - HIGH_MEMORY, E820_RAM); - add_memory_region(sgivwfb_mem_phys, sgivwfb_mem_size, E820_RESERVED); - - return "PROM"; - - /* Remove gcc warnings */ - (void) sanitize_e820_map(NULL, NULL); - (void) copy_e820_map(NULL, 0); -} diff --git a/include/asm-i386/mach-visws/setup_arch_pre.h b/include/asm-i386/mach-visws/setup_arch_pre.h deleted file mode 100644 index b92d6d9a4d3c..000000000000 --- a/include/asm-i386/mach-visws/setup_arch_pre.h +++ /dev/null @@ -1,5 +0,0 @@ -/* Hook to call BIOS initialisation function */ - -/* no action for visws */ - -#define ARCH_SETUP diff --git a/include/asm-i386/mach-voyager/setup_arch.h b/include/asm-i386/mach-voyager/setup_arch.h new file mode 100644 index 000000000000..84d01ad33459 --- /dev/null +++ b/include/asm-i386/mach-voyager/setup_arch.h @@ -0,0 +1,10 @@ +#include +#define VOYAGER_BIOS_INFO ((struct voyager_bios_info *)(PARAM+0x40)) + +/* Hook to call BIOS initialisation function */ + +/* for voyager, pass the voyager BIOS/SUS info area to the detection + * routines */ + +#define ARCH_SETUP voyager_detect(VOYAGER_BIOS_INFO); + diff --git a/include/asm-i386/mach-voyager/setup_arch_post.h b/include/asm-i386/mach-voyager/setup_arch_post.h deleted file mode 100644 index f6f6c2cbc75c..000000000000 --- a/include/asm-i386/mach-voyager/setup_arch_post.h +++ /dev/null @@ -1,73 +0,0 @@ -/* Hook for machine specific memory setup. - * - * This is included late in kernel/setup.c so that it can make use of all of - * the static functions. */ - -static char * __init machine_specific_memory_setup(void) -{ - char *who; - - who = "NOT VOYAGER"; - - if(voyager_level == 5) { - __u32 addr, length; - int i; - - who = "Voyager-SUS"; - - e820.nr_map = 0; - for(i=0; voyager_memory_detect(i, &addr, &length); i++) { - add_memory_region(addr, length, E820_RAM); - } - return who; - } else if(voyager_level == 4) { - __u32 tom; - __u16 catbase = inb(VOYAGER_SSPB_RELOCATION_PORT)<<8; - /* select the DINO config space */ - outb(VOYAGER_DINO, VOYAGER_CAT_CONFIG_PORT); - /* Read DINO top of memory register */ - tom = ((inb(catbase + 0x4) & 0xf0) << 16) - + ((inb(catbase + 0x5) & 0x7f) << 24); - - if(inb(catbase) != VOYAGER_DINO) { - printk(KERN_ERR "Voyager: Failed to get DINO for L4, setting tom to EXT_MEM_K\n"); - tom = (EXT_MEM_K)<<10; - } - who = "Voyager-TOM"; - add_memory_region(0, 0x9f000, E820_RAM); - /* map from 1M to top of memory */ - add_memory_region(1*1024*1024, tom - 1*1024*1024, E820_RAM); - /* FIXME: Should check the ASICs to see if I need to - * take out the 8M window. Just do it at the moment - * */ - add_memory_region(8*1024*1024, 8*1024*1024, E820_RESERVED); - return who; - } - - who = "BIOS-e820"; - - /* - * Try to copy the BIOS-supplied E820-map. - * - * Otherwise fake a memory map; one section from 0k->640k, - * the next section from 1mb->appropriate_mem_k - */ - sanitize_e820_map(E820_MAP, &E820_MAP_NR); - if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { - unsigned long mem_size; - - /* compare results from other methods and take the greater */ - if (ALT_MEM_K < EXT_MEM_K) { - mem_size = EXT_MEM_K; - who = "BIOS-88"; - } else { - mem_size = ALT_MEM_K; - who = "BIOS-e801"; - } - - e820.nr_map = 0; - add_memory_region(0, LOWMEMSIZE(), E820_RAM); - add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM); - } - return who; -} diff --git a/include/asm-i386/mach-voyager/setup_arch_pre.h b/include/asm-i386/mach-voyager/setup_arch_pre.h deleted file mode 100644 index 48f7e6ff49a5..000000000000 --- a/include/asm-i386/mach-voyager/setup_arch_pre.h +++ /dev/null @@ -1,10 +0,0 @@ -#include -#define VOYAGER_BIOS_INFO ((struct voyager_bios_info *)(PARAM+0x40)) - -/* Hook to call BIOS initialisation function */ - -/* for voyager, pass the voyager BIOS/SUS info area to the detection - * routines */ - -#define ARCH_SETUP voyager_detect(VOYAGER_BIOS_INFO); - diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h index ee941457b55d..f737e423029e 100644 --- a/include/asm-i386/setup.h +++ b/include/asm-i386/setup.h @@ -59,6 +59,21 @@ extern unsigned char boot_params[PARAM_SIZE]; #define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF)) #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) +/* + * Do NOT EVER look at the BIOS memory size location. + * It does not work on many machines. + */ +#define LOWMEMSIZE() (0x9f000) + +struct e820entry; + +char * __init machine_specific_memory_setup(void); + +int __init copy_e820_map(struct e820entry * biosmap, int nr_map); +int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map); +void __init add_memory_region(unsigned long long start, + unsigned long long size, int type); + #endif /* __ASSEMBLY__ */ #endif /* _i386_SETUP_H */ -- cgit v1.2.3-70-g09d2