diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2000-07-09 23:29:35 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2000-07-09 23:29:35 +0000 |
commit | 35385d7a83b4cae6d5ea5f80f3b3377d94178344 (patch) | |
tree | 49494d95dfef31ba4f9a697d31e4028cf65a57bd /arch/ppc/amiga/chipram.c | |
parent | d9d8062e7b49943b2a2fb034f817a9fc217fd40f (diff) |
Merge with 2.4.0-test3-pre7.
Diffstat (limited to 'arch/ppc/amiga/chipram.c')
-rw-r--r-- | arch/ppc/amiga/chipram.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/arch/ppc/amiga/chipram.c b/arch/ppc/amiga/chipram.c index 31f91a794..259522584 100644 --- a/arch/ppc/amiga/chipram.c +++ b/arch/ppc/amiga/chipram.c @@ -1,15 +1,14 @@ /* ** linux/amiga/chipram.c ** -** Modified 03-May-94 by Geert Uytterhoeven -** (Geert.Uytterhoeven@cs.kuleuven.ac.be) +** Modified 03-May-94 by Geert Uytterhoeven <geert@linux-m68k.org> ** - 64-bit aligned allocations for full AGA compatibility */ -#include <linux/config.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/zorro.h> #include <asm/amigahw.h> struct chip_desc { @@ -25,6 +24,8 @@ struct chip_desc { u_long amiga_chip_size; static unsigned long chipavail; +static struct resource chipram = { "Chip RAM", 0 }; + unsigned long amiga_chip_avail( void ) { #ifdef DEBUG @@ -34,8 +35,7 @@ unsigned long amiga_chip_avail( void ) } -__init -void amiga_chip_init (void) +void __init amiga_chip_init (void) { struct chip_desc *dp; @@ -49,6 +49,8 @@ void amiga_chip_init (void) */ amiga_chip_size -= 0x4000; #endif + chipram.end = amiga_chip_size-1; + request_resource(&iomem_resource, &chipram); /* initialize start boundary */ @@ -72,7 +74,7 @@ void amiga_chip_init (void) #endif } -void *amiga_chip_alloc (long size) +void *amiga_chip_alloc(long size, const char *name) { /* last chunk */ struct chip_desc *dp; @@ -82,7 +84,7 @@ void *amiga_chip_alloc (long size) size = (size + 7) & ~7; #ifdef DEBUG - printk("chip_alloc: allocate %ld bytes\n", size); + printk("amiga_chip_alloc: allocate %ld bytes\n", size); #endif /* @@ -108,14 +110,14 @@ void *amiga_chip_alloc (long size) dp = DP((unsigned long)ptr + dp->length); dp->alloced = 1; #ifdef DEBUG - printk ("chip_alloc: no split\n"); + printk ("amiga_chip_alloc: no split\n"); #endif } else { /* split the extent; use the end part */ long newsize = dp->length - (2*sizeof(*dp) + size); #ifdef DEBUG - printk ("chip_alloc: splitting %d to %ld\n", dp->length, + printk ("amiga_chip_alloc: splitting %d to %ld\n", dp->length, newsize); #endif dp->length = newsize; @@ -134,14 +136,18 @@ void *amiga_chip_alloc (long size) } #ifdef DEBUG - printk ("chip_alloc: returning %p\n", ptr); + printk ("amiga_chip_alloc: returning %p\n", ptr); #endif if ((unsigned long)ptr & 7) - panic("chip_alloc: alignment violation\n"); + panic("amiga_chip_alloc: alignment violation\n"); chipavail -= size + (2*sizeof(*dp)); /*MILAN*/ + if (!request_mem_region(ZTWO_PADDR(ptr), size, name)) + printk(KERN_WARNING "amiga_chip_alloc: region of size %ld at 0x%08lx " + "is busy\n", size, ZTWO_PADDR(ptr)); + return ptr; } @@ -156,6 +162,7 @@ void amiga_chip_free (void *ptr) #endif /* deallocate the chunk */ sdp->alloced = edp->alloced = 0; + release_mem_region(ZTWO_PADDR(ptr), sdp->length); /* check if we should merge with the previous chunk */ if (!sdp->first && !sdp[-1].alloced) { |