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[POWERPC] PS3: Remove unused os-area params

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Updates for PS3 os-area startup params
o Remove some unused PS3 os-area startup params from struct saved_params.
o Rename ps3_os_area_init() to ps3_os_area_save_params().
o Zero mirrored header after saving params.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Geoff Levand 2007-10-07 07:35:44 +10:00 committed by Paul Mackerras
parent ca94297f0c
commit 01263e88c3
3 changed files with 21 additions and 27 deletions
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44
arch/powerpc/platforms/ps3/os-area.c
View file

@ -114,27 +114,12 @@ struct os_area_params {
#define SECONDS_FROM_1970_TO_2000 946684800LL
/**
* struct saved_params - Static working copies of data from the 'Other OS' area.
*
* For the convinience of the guest, the HV makes a copy of the 'Other OS' area
* in flash to a high address in the boot memory region and then puts that RAM
* address and the byte count into the repository for retreval by the guest.
* We copy the data we want into a static variable and allow the memory setup
* by the HV to be claimed by the lmb manager.
* struct saved_params - Static working copies of data from the PS3 'os area'.
*/
struct saved_params {
/* param 0 */
s64 rtc_diff;
unsigned int av_multi_out;
unsigned int ctrl_button;
/* param 1 */
u8 static_ip_addr[4];
u8 network_mask[4];
u8 default_gateway[4];
/* param 2 */
u8 dns_primary[4];
u8 dns_secondary[4];
} static saved_params;
#define dump_header(_a) _dump_header(_a, __func__, __LINE__)
@ -201,7 +186,17 @@ static int __init verify_header(const struct os_area_header *header)
return 0;
}
int __init ps3_os_area_init(void)
/**
* ps3_os_area_save_params - Copy data from os area mirror to @saved_params.
*
* For the convenience of the guest, the HV makes a copy of the os area in
* flash to a high address in the boot memory region and then puts that RAM
* address and the byte count into the repository for retreval by the guest.
* We copy the data we want into a static variable and allow the memory setup
* by the HV to be claimed by the lmb manager.
*/
void __init ps3_os_area_save_params(void)
{
int result;
u64 lpar_addr;
@ -209,12 +204,14 @@ int __init ps3_os_area_init(void)
struct os_area_header *header;
struct os_area_params *params;
pr_debug(" -> %s:%d\n", __func__, __LINE__);
result = ps3_repository_read_boot_dat_info(&lpar_addr, &size);
if (result) {
pr_debug("%s:%d ps3_repository_read_boot_dat_info failed\n",
__func__, __LINE__);
return result;
return;
}
header = (struct os_area_header *)__va(lpar_addr);
@ -226,7 +223,7 @@ int __init ps3_os_area_init(void)
if (result) {
pr_debug("%s:%d verify_header failed\n", __func__, __LINE__);
dump_header(header);
return -EIO;
return;
}
dump_header(header);
@ -234,13 +231,10 @@ int __init ps3_os_area_init(void)
saved_params.rtc_diff = params->rtc_diff;
saved_params.av_multi_out = params->av_multi_out;
saved_params.ctrl_button = params->ctrl_button;
memcpy(saved_params.static_ip_addr, params->static_ip_addr, 4);
memcpy(saved_params.network_mask, params->network_mask, 4);
memcpy(saved_params.default_gateway, params->default_gateway, 4);
memcpy(saved_params.dns_secondary, params->dns_secondary, 4);
return result;
memset(header, 0, sizeof(*header));
pr_debug(" <- %s:%d\n", __func__, __LINE__);
}
/**

2
arch/powerpc/platforms/ps3/platform.h
View file

@ -62,7 +62,7 @@ int ps3_set_rtc_time(struct rtc_time *time);
/* os area */
int __init ps3_os_area_init(void);
void __init ps3_os_area_save_params(void);
u64 ps3_os_area_rtc_diff(void);
/* spu */

2
arch/powerpc/platforms/ps3/setup.c
View file

@ -228,7 +228,7 @@ static int __init ps3_probe(void)
powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE;
ps3_os_area_init();
ps3_os_area_save_params();
ps3_mm_init();
ps3_mm_vas_create(&htab_size);
ps3_hpte_init(htab_size);