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Code Issues Releases Wiki Activity

Simplify processor_enable.c

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Corresponding to flashrom svn r1565.

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
This commit is contained in:
Peter Lemenkov
2012-08-09 21:09:51 +00:00
committed by Stefan Tauner
parent a583853553
commit 975b706a7b
1 changed files with 13 additions and 22 deletions
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35
processor_enable.c
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@@ -24,19 +24,6 @@
#include "flash.h" #include "flash.h"
#include "programmer.h" #include "programmer.h"
#if defined(__i386__) || defined(__x86_64__)
int processor_flash_enable(void)
{
/* On x86, flash access is not processor specific except on
* AMD Elan SC520, AMD Geode and maybe other SoC-style CPUs.
* FIXME: Move enable_flash_cs5536 and get_flashbase_sc520 here.
*/
return 0;
}
#else
#if defined (__MIPSEL__) && defined (__linux) #if defined (__MIPSEL__) && defined (__linux)
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
@@ -71,10 +58,8 @@ static int is_loongson(void)
while (*ptr && isspace((unsigned char)*ptr)) while (*ptr && isspace((unsigned char)*ptr))
ptr++; ptr++;
fclose(cpuinfo); fclose(cpuinfo);
return (strncmp(ptr, "ICT Loongson-2 V0.3", return (strncmp(ptr, "ICT Loongson-2 V0.3", strlen("ICT Loongson-2 V0.3")) == 0) ||
strlen("ICT Loongson-2 V0.3")) == 0) (strncmp(ptr, "Godson2 V0.3 FPU V0.1", strlen("Godson2 V0.3 FPU V0.1")) == 0);
|| (strncmp(ptr, "Godson2 V0.3 FPU V0.1",
strlen("Godson2 V0.3 FPU V0.1")) == 0);
} }
fclose(cpuinfo); fclose(cpuinfo);
return 0; return 0;
@@ -83,15 +68,21 @@ static int is_loongson(void)
int processor_flash_enable(void) int processor_flash_enable(void)
{ {
/* Default to 1 to catch not implemented architectures. */
int ret = 1;
/* FIXME: detect loongson on FreeBSD and OpenBSD as well. */ /* FIXME: detect loongson on FreeBSD and OpenBSD as well. */
#if defined (__MIPSEL__) && defined (__linux) #if defined (__MIPSEL__) && defined (__linux)
if (is_loongson()) { if (is_loongson()) {
flashbase = 0x1fc00000; flashbase = 0x1fc00000;
return 0; ret = 0;
} }
#elif defined(__i386__) || defined(__x86_64__)
/* On x86, flash access is not processor specific except on
* AMD Elan SC520, AMD Geode and maybe other SoC-style CPUs.
* FIXME: Move enable_flash_cs5536 and get_flashbase_sc520 here.
*/
ret = 0;
#endif #endif
/* Not implemented yet. Oh well. */ return ret;
return 1;
} }
#endif