diff options
| -rw-r--r-- | internal.c | 2 | ||||
| -rw-r--r-- | processor_enable.c | 51 |
2 files changed, 52 insertions, 1 deletions
@@ -244,7 +244,7 @@ int internal_init(void) * 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 245975e8..74caedc5 100644 --- a/processor_enable.c +++ b/processor_enable.c @@ -37,8 +37,59 @@ int processor_flash_enable(void) #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; } |