diff options
| author | Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> | 2007-06-22 00:14:20 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-06-28 19:18:08 +1000 |
| commit | 32d7331852a07d1f94c6d1b817c7c45648aa0fe7 (patch) | |
| tree | f9e7e2bae43e6dd18174029aa3d5019d21f0e7b9 /arch/powerpc | |
| parent | e4eb8cf0ae5e6e2d7531a3fc7088f7f638795ca6 (diff) | |
| download | linux-32d7331852a07d1f94c6d1b817c7c45648aa0fe7.tar.gz linux-32d7331852a07d1f94c6d1b817c7c45648aa0fe7.tar.bz2 linux-32d7331852a07d1f94c6d1b817c7c45648aa0fe7.zip | |
[POWERPC] PS3: Preallocate bootmem memory for the PS3 FLASH ROM storage driver
Preallocate 256 KiB of bootmem memory for the PS3 FLASH ROM storage driver.
This can be disabled by passing `ps3flash=off' on the kernel command line.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/ps3/setup.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 6b6eca17472c..aa05288de64e 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -107,7 +107,8 @@ static void ps3_panic(char *str) while(1); } -#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) +#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \ + defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) static void prealloc(struct ps3_prealloc *p) { if (!p->size) @@ -123,7 +124,9 @@ static void prealloc(struct ps3_prealloc *p) printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, p->address); } +#endif +#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) struct ps3_prealloc ps3fb_videomemory = { .name = "ps3fb videomemory", .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024, @@ -146,6 +149,30 @@ early_param("ps3fb", early_parse_ps3fb); #define prealloc_ps3fb_videomemory() do { } while (0) #endif +#if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) +struct ps3_prealloc ps3flash_bounce_buffer = { + .name = "ps3flash bounce buffer", + .size = 256*1024, + .align = 256*1024 +}; +EXPORT_SYMBOL_GPL(ps3flash_bounce_buffer); +#define prealloc_ps3flash_bounce_buffer() prealloc(&ps3flash_bounce_buffer) + +static int __init early_parse_ps3flash(char *p) +{ + if (!p) + return 1; + + if (!strcmp(p, "off")) + ps3flash_bounce_buffer.size = 0; + + return 0; +} +early_param("ps3flash", early_parse_ps3flash); +#else +#define prealloc_ps3flash_bounce_buffer() do { } while (0) +#endif + static int ps3_set_dabr(u64 dabr) { enum {DABR_USER = 1, DABR_KERNEL = 2,}; @@ -175,6 +202,8 @@ static void __init ps3_setup_arch(void) #endif prealloc_ps3fb_videomemory(); + prealloc_ps3flash_bounce_buffer(); + ppc_md.power_save = ps3_power_save; DBG(" <- %s:%d\n", __func__, __LINE__); |