Support for Loongson-2F (MIPS) flashing
Corresponding to flashrom svn r1183.
Signed-off-by: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/internal.c b/internal.c
index 497ce6c..b9b5a4b 100644
--- a/internal.c
+++ b/internal.c
@@ -244,7 +244,7 @@
* The error code might have been a warning only.
* Besides that, we don't check the board enable return code either.
*/
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined (__mips)
return 0;
#else
msg_perr("Your platform is not supported yet for the internal "
diff --git a/processor_enable.c b/processor_enable.c
index 245975e..74caedc 100644
--- a/processor_enable.c
+++ b/processor_enable.c
@@ -37,8 +37,59 @@
#else
+#if defined (__MIPSEL__) && defined (__linux)
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+static int is_loongson(void)
+{
+ FILE *cpuinfo;
+ cpuinfo = fopen("/proc/cpuinfo", "rb");
+ if (!cpuinfo)
+ return 0;
+ while (!feof(cpuinfo)) {
+ char line[512], *ptr;
+ if (fgets(line, sizeof(line), cpuinfo) == NULL)
+ break;
+ ptr = line;
+ while (*ptr && isspace(*ptr))
+ ptr++;
+ /* "cpu" part appears only with some Linux versions. */
+ if (strncmp(ptr, "cpu", sizeof("cpu") - 1) == 0)
+ ptr += sizeof("cpu") - 1;
+ while (*ptr && isspace(*ptr))
+ ptr++;
+ if (strncmp(ptr, "model", sizeof("model") - 1) != 0)
+ continue;
+ ptr += sizeof("model") - 1;
+ while (*ptr && isspace(*ptr))
+ ptr++;
+ if (*ptr != ':')
+ continue;
+ ptr++;
+ while (*ptr && isspace(*ptr))
+ ptr++;
+ fclose(cpuinfo);
+ return (strncmp(ptr, "ICT Loongson-2 V0.3",
+ sizeof("ICT Loongson-2 V0.3") - 1) == 0)
+ || (strncmp(ptr, "Godson2 V0.3 FPU V0.1",
+ sizeof("Godson2 V0.3 FPU V0.1") - 1) == 0);
+ }
+ fclose(cpuinfo);
+ return 0;
+}
+#endif
+
int processor_flash_enable(void)
{
+ /* FIXME: detect loongson on FreeBSD and OpenBSD as well. */
+#if defined (__MIPSEL__) && defined (__linux)
+ if (is_loongson()) {
+ flashbase = 0x1fc00000;
+ return 0;
+ }
+#endif
/* Not implemented yet. Oh well. */
return 1;
}