MIPS: Loongson64: Cleanup unused code

Clean up legacy code after stripping out Loongson2ef code.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: paul.burton@mips.com

1 files changed, 4 insertions, 58 deletions

diff --git a/arch/mips/loongson64/common/env.c b/arch/mips/loongson64/common/env.c
index 09d5cf4676ca..0daeb7bcf023 100644
--- a/arch/mips/loongson64/common/env.c
+++ b/arch/mips/loongson64/common/env.c
@@ -30,41 +30,13 @@ u64 loongson_freqctrl[MAX_PACKAGES];
 
 unsigned long long smp_group[4];
 
-#define parse_even_earlier(res, option, p)				\
-do {									\
-	unsigned int tmp __maybe_unused;				\
-									\
-	if (strncmp(option, (char *)p, strlen(option)) == 0)		\
-		tmp = kstrtou32((char *)p + strlen(option"="), 10, &res); \
-} while (0)
+const char *get_system_type(void)
+{
+	return "Generic Loongson64 System";
+}
 
 void __init prom_init_env(void)
 {
-	/* pmon passes arguments in 32bit pointers */
-	unsigned int processor_id;
-
-#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
-	int *_prom_envp;
-	long l;
-
-	/* firmware arguments are initialized in head.S */
-	_prom_envp = (int *)fw_arg2;
-
-	l = (long)*_prom_envp;
-	while (l != 0) {
-		parse_even_earlier(cpu_clock_freq, "cpuclock", l);
-		parse_even_earlier(memsize, "memsize", l);
-		parse_even_earlier(highmemsize, "highmemsize", l);
-		_prom_envp++;
-		l = (long)*_prom_envp;
-	}
-	if (memsize == 0)
-		memsize = 256;
-
-	loongson_sysconf.nr_uarts = 1;
-
-	pr_info("memsize=%u, highmemsize=%u\n", memsize, highmemsize);
-#else
 	struct boot_params *boot_p;
 	struct loongson_params *loongson_p;
 	struct system_loongson *esys;
@@ -182,31 +154,5 @@ void __init prom_init_env(void)
 	if (loongson_sysconf.nr_sensors)
 		memcpy(loongson_sysconf.sensors, esys->sensors,
 			sizeof(struct sensor_device) * loongson_sysconf.nr_sensors);
-#endif
-	if (cpu_clock_freq == 0) {
-		processor_id = (&current_cpu_data)->processor_id;
-		switch (processor_id & PRID_REV_MASK) {
-		case PRID_REV_LOONGSON2E:
-			cpu_clock_freq = 533080000;
-			break;
-		case PRID_REV_LOONGSON2F:
-			cpu_clock_freq = 797000000;
-			break;
-		case PRID_REV_LOONGSON3A_R1:
-		case PRID_REV_LOONGSON3A_R2_0:
-		case PRID_REV_LOONGSON3A_R2_1:
-		case PRID_REV_LOONGSON3A_R3_0:
-		case PRID_REV_LOONGSON3A_R3_1:
-			cpu_clock_freq = 900000000;
-			break;
-		case PRID_REV_LOONGSON3B_R1:
-		case PRID_REV_LOONGSON3B_R2:
-			cpu_clock_freq = 1000000000;
-			break;
-		default:
-			cpu_clock_freq = 100000000;
-			break;
-		}
-	}
 	pr_info("CpuClock = %u\n", cpu_clock_freq);
 }