MIPS: Loongson2ef: clean up loongson64 related code

Remove unrelevent macros, defines and codes from loongson2ef mach.
Also rename some defines to match new naming.

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

15 files changed, 33 insertions, 309 deletions

diff --git a/arch/mips/loongson2ef/Kconfig b/arch/mips/loongson2ef/Kconfig
index 007bd023a4e9..66a584a833e5 100644
--- a/arch/mips/loongson2ef/Kconfig
+++ b/arch/mips/loongson2ef/Kconfig
@@ -90,7 +90,4 @@ config LOONGSON_MC146818
 	bool
 	default n
 
-config LEFI_FIRMWARE_INTERFACE
-	bool
-
 endif # MACH_LOONGSON2EF
diff --git a/arch/mips/loongson2ef/common/early_printk.c b/arch/mips/loongson2ef/common/early_printk.c
index 5e2a151aa30c..d90c5e5a0e78 100644
--- a/arch/mips/loongson2ef/common/early_printk.c
+++ b/arch/mips/loongson2ef/common/early_printk.c
@@ -27,7 +27,7 @@ void prom_putchar(char c)
 	int timeout;
 	unsigned char *uart_base;
 
-	uart_base = (unsigned char *)_loongson_uart_base[0];
+	uart_base = (unsigned char *)_loongson_uart_base;
 	timeout = 1024;
 
 	while (((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0) &&
diff --git a/arch/mips/loongson2ef/common/env.c b/arch/mips/loongson2ef/common/env.c
index 09d5cf4676ca..29c5fecb8282 100644
--- a/arch/mips/loongson2ef/common/env.c
+++ b/arch/mips/loongson2ef/common/env.c
@@ -16,17 +16,9 @@
 #include <linux/export.h>
 #include <asm/bootinfo.h>
 #include <loongson.h>
-#include <boot_param.h>
-#include <workarounds.h>
 
 u32 cpu_clock_freq;
 EXPORT_SYMBOL(cpu_clock_freq);
-struct efi_memory_map_loongson *loongson_memmap;
-struct loongson_system_configuration loongson_sysconf;
-
-u64 loongson_chipcfg[MAX_PACKAGES] = {0xffffffffbfc00180};
-u64 loongson_chiptemp[MAX_PACKAGES];
-u64 loongson_freqctrl[MAX_PACKAGES];
 
 unsigned long long smp_group[4];
 
@@ -42,8 +34,6 @@ 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;
 
@@ -61,128 +51,8 @@ void __init prom_init_env(void)
 	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;
-	struct efi_cpuinfo_loongson *ecpu;
-	struct irq_source_routing_table *eirq_source;
-
-	/* firmware arguments are initialized in head.S */
-	boot_p = (struct boot_params *)fw_arg2;
-	loongson_p = &(boot_p->efi.smbios.lp);
-
-	esys = (struct system_loongson *)
-		((u64)loongson_p + loongson_p->system_offset);
-	ecpu = (struct efi_cpuinfo_loongson *)
-		((u64)loongson_p + loongson_p->cpu_offset);
-	eirq_source = (struct irq_source_routing_table *)
-		((u64)loongson_p + loongson_p->irq_offset);
-	loongson_memmap = (struct efi_memory_map_loongson *)
-		((u64)loongson_p + loongson_p->memory_offset);
-
-	cpu_clock_freq = ecpu->cpu_clock_freq;
-	loongson_sysconf.cputype = ecpu->cputype;
-	switch (ecpu->cputype) {
-	case Legacy_3A:
-	case Loongson_3A:
-		loongson_sysconf.cores_per_node = 4;
-		loongson_sysconf.cores_per_package = 4;
-		smp_group[0] = 0x900000003ff01000;
-		smp_group[1] = 0x900010003ff01000;
-		smp_group[2] = 0x900020003ff01000;
-		smp_group[3] = 0x900030003ff01000;
-		loongson_chipcfg[0] = 0x900000001fe00180;
-		loongson_chipcfg[1] = 0x900010001fe00180;
-		loongson_chipcfg[2] = 0x900020001fe00180;
-		loongson_chipcfg[3] = 0x900030001fe00180;
-		loongson_chiptemp[0] = 0x900000001fe0019c;
-		loongson_chiptemp[1] = 0x900010001fe0019c;
-		loongson_chiptemp[2] = 0x900020001fe0019c;
-		loongson_chiptemp[3] = 0x900030001fe0019c;
-		loongson_freqctrl[0] = 0x900000001fe001d0;
-		loongson_freqctrl[1] = 0x900010001fe001d0;
-		loongson_freqctrl[2] = 0x900020001fe001d0;
-		loongson_freqctrl[3] = 0x900030001fe001d0;
-		loongson_sysconf.ht_control_base = 0x90000EFDFB000000;
-		loongson_sysconf.workarounds = WORKAROUND_CPUFREQ;
-		break;
-	case Legacy_3B:
-	case Loongson_3B:
-		loongson_sysconf.cores_per_node = 4; /* One chip has 2 nodes */
-		loongson_sysconf.cores_per_package = 8;
-		smp_group[0] = 0x900000003ff01000;
-		smp_group[1] = 0x900010003ff05000;
-		smp_group[2] = 0x900020003ff09000;
-		smp_group[3] = 0x900030003ff0d000;
-		loongson_chipcfg[0] = 0x900000001fe00180;
-		loongson_chipcfg[1] = 0x900020001fe00180;
-		loongson_chipcfg[2] = 0x900040001fe00180;
-		loongson_chipcfg[3] = 0x900060001fe00180;
-		loongson_chiptemp[0] = 0x900000001fe0019c;
-		loongson_chiptemp[1] = 0x900020001fe0019c;
-		loongson_chiptemp[2] = 0x900040001fe0019c;
-		loongson_chiptemp[3] = 0x900060001fe0019c;
-		loongson_freqctrl[0] = 0x900000001fe001d0;
-		loongson_freqctrl[1] = 0x900020001fe001d0;
-		loongson_freqctrl[2] = 0x900040001fe001d0;
-		loongson_freqctrl[3] = 0x900060001fe001d0;
-		loongson_sysconf.ht_control_base = 0x90001EFDFB000000;
-		loongson_sysconf.workarounds = WORKAROUND_CPUHOTPLUG;
-		break;
-	default:
-		loongson_sysconf.cores_per_node = 1;
-		loongson_sysconf.cores_per_package = 1;
-		loongson_chipcfg[0] = 0x900000001fe00180;
-	}
 
-	loongson_sysconf.nr_cpus = ecpu->nr_cpus;
-	loongson_sysconf.boot_cpu_id = ecpu->cpu_startup_core_id;
-	loongson_sysconf.reserved_cpus_mask = ecpu->reserved_cores_mask;
-	if (ecpu->nr_cpus > NR_CPUS || ecpu->nr_cpus == 0)
-		loongson_sysconf.nr_cpus = NR_CPUS;
-	loongson_sysconf.nr_nodes = (loongson_sysconf.nr_cpus +
-		loongson_sysconf.cores_per_node - 1) /
-		loongson_sysconf.cores_per_node;
-
-	loongson_sysconf.pci_mem_start_addr = eirq_source->pci_mem_start_addr;
-	loongson_sysconf.pci_mem_end_addr = eirq_source->pci_mem_end_addr;
-	loongson_sysconf.pci_io_base = eirq_source->pci_io_start_addr;
-	loongson_sysconf.dma_mask_bits = eirq_source->dma_mask_bits;
-	if (loongson_sysconf.dma_mask_bits < 32 ||
-		loongson_sysconf.dma_mask_bits > 64)
-		loongson_sysconf.dma_mask_bits = 32;
-
-	loongson_sysconf.restart_addr = boot_p->reset_system.ResetWarm;
-	loongson_sysconf.poweroff_addr = boot_p->reset_system.Shutdown;
-	loongson_sysconf.suspend_addr = boot_p->reset_system.DoSuspend;
-
-	loongson_sysconf.vgabios_addr = boot_p->efi.smbios.vga_bios;
-	pr_debug("Shutdown Addr: %llx, Restart Addr: %llx, VBIOS Addr: %llx\n",
-		loongson_sysconf.poweroff_addr, loongson_sysconf.restart_addr,
-		loongson_sysconf.vgabios_addr);
-
-	memset(loongson_sysconf.ecname, 0, 32);
-	if (esys->has_ec)
-		memcpy(loongson_sysconf.ecname, esys->ec_name, 32);
-	loongson_sysconf.workarounds |= esys->workarounds;
-
-	loongson_sysconf.nr_uarts = esys->nr_uarts;
-	if (esys->nr_uarts < 1 || esys->nr_uarts > MAX_UARTS)
-		loongson_sysconf.nr_uarts = 1;
-	memcpy(loongson_sysconf.uarts, esys->uarts,
-		sizeof(struct uart_device) * loongson_sysconf.nr_uarts);
-
-	loongson_sysconf.nr_sensors = esys->nr_sensors;
-	if (loongson_sysconf.nr_sensors > MAX_SENSORS)
-		loongson_sysconf.nr_sensors = 0;
-	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) {
@@ -192,17 +62,6 @@ void __init prom_init_env(void)
 		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;
diff --git a/arch/mips/loongson2ef/common/init.c b/arch/mips/loongson2ef/common/init.c
index 912fe61c4fc7..a45430365729 100644
--- a/arch/mips/loongson2ef/common/init.c
+++ b/arch/mips/loongson2ef/common/init.c
@@ -38,12 +38,7 @@ void __init prom_init(void)
 	/* init base address of io space */
 	set_io_port_base((unsigned long)
 		ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
-
-#ifdef CONFIG_NUMA
-	prom_init_numa_memory();
-#else
 	prom_init_memory();
-#endif
 
 	/*init the uart base address */
 	prom_init_uart_base();
diff --git a/arch/mips/loongson2ef/common/machtype.c b/arch/mips/loongson2ef/common/machtype.c
index 4e42d929f1c7..82f6de49f20f 100644
--- a/arch/mips/loongson2ef/common/machtype.c
+++ b/arch/mips/loongson2ef/common/machtype.c
@@ -23,7 +23,6 @@ static const char *system_types[] = {
 	[MACH_DEXXON_GDIUM2F10]	= "dexxon-gdium-2f",
 	[MACH_LEMOTE_NAS]	= "lemote-nas-2f",
 	[MACH_LEMOTE_LL2F]	= "lemote-lynloong-2f",
-	[MACH_LOONGSON_GENERIC]	= "generic-loongson-machine",
 	[MACH_LOONGSON_END]	= NULL,
 };
 
diff --git a/arch/mips/loongson2ef/common/mem.c b/arch/mips/loongson2ef/common/mem.c
index 4254ac4ec616..11bf6eefb82a 100644
--- a/arch/mips/loongson2ef/common/mem.c
+++ b/arch/mips/loongson2ef/common/mem.c
@@ -9,11 +9,9 @@
 #include <asm/bootinfo.h>
 
 #include <loongson.h>
-#include <boot_param.h>
 #include <mem.h>
 #include <pci.h>
 
-#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
 
 u32 memsize, highmemsize;
 
@@ -52,41 +50,6 @@ void __init prom_init_memory(void)
 #endif /* !CONFIG_64BIT */
 }
 
-#else /* CONFIG_LEFI_FIRMWARE_INTERFACE */
-
-void __init prom_init_memory(void)
-{
-	int i;
-	u32 node_id;
-	u32 mem_type;
-
-	/* parse memory information */
-	for (i = 0; i < loongson_memmap->nr_map; i++) {
-		node_id = loongson_memmap->map[i].node_id;
-		mem_type = loongson_memmap->map[i].mem_type;
-
-		if (node_id != 0)
-			continue;
-
-		switch (mem_type) {
-		case SYSTEM_RAM_LOW:
-			memblock_add(loongson_memmap->map[i].mem_start,
-				(u64)loongson_memmap->map[i].mem_size << 20);
-			break;
-		case SYSTEM_RAM_HIGH:
-			memblock_add(loongson_memmap->map[i].mem_start,
-				(u64)loongson_memmap->map[i].mem_size << 20);
-			break;
-		case SYSTEM_RAM_RESERVED:
-			memblock_reserve(loongson_memmap->map[i].mem_start,
-				(u64)loongson_memmap->map[i].mem_size << 20);
-			break;
-		}
-	}
-}
-
-#endif /* CONFIG_LEFI_FIRMWARE_INTERFACE */
-
 /* override of arch/mips/mm/cache.c: __uncached_access */
 int __uncached_access(struct file *file, unsigned long addr)
 {
diff --git a/arch/mips/loongson2ef/common/pci.c b/arch/mips/loongson2ef/common/pci.c
index 2d9755c49524..200916925e95 100644
--- a/arch/mips/loongson2ef/common/pci.c
+++ b/arch/mips/loongson2ef/common/pci.c
@@ -7,7 +7,6 @@
 
 #include <pci.h>
 #include <loongson.h>
-#include <boot_param.h>
 
 static struct resource loongson_pci_mem_resource = {
 	.name	= "pci memory space",
@@ -81,15 +80,8 @@ static int __init pcibios_init(void)
 	setup_pcimap();
 
 	loongson_pci_controller.io_map_base = mips_io_port_base;
-#ifdef CONFIG_LEFI_FIRMWARE_INTERFACE
-	loongson_pci_mem_resource.start = loongson_sysconf.pci_mem_start_addr;
-	loongson_pci_mem_resource.end = loongson_sysconf.pci_mem_end_addr;
-#endif
 	register_pci_controller(&loongson_pci_controller);
 
-#ifdef CONFIG_CPU_LOONGSON64
-	sbx00_acpi_init();
-#endif
 
 	return 0;
 }
diff --git a/arch/mips/loongson2ef/common/pm.c b/arch/mips/loongson2ef/common/pm.c
index b8aed878d912..11f4cfd581fb 100644
--- a/arch/mips/loongson2ef/common/pm.c
+++ b/arch/mips/loongson2ef/common/pm.c
@@ -75,7 +75,7 @@ int __weak wakeup_loongson(void)
 static void wait_for_wakeup_events(void)
 {
 	while (!wakeup_loongson())
-		LOONGSON_CHIPCFG(0) &= ~0x7;
+		writel(readl(LOONGSON_CHIPCFG) & ~0x7, LOONGSON_CHIPCFG);
 }
 
 /*
@@ -98,15 +98,16 @@ static void loongson_suspend_enter(void)
 
 	stop_perf_counters();
 
-	cached_cpu_freq = LOONGSON_CHIPCFG(0);
+	cached_cpu_freq = readl(LOONGSON_CHIPCFG);
 
 	/* Put CPU into wait mode */
-	LOONGSON_CHIPCFG(0) &= ~0x7;
+	writel(readl(LOONGSON_CHIPCFG) & ~0x7, LOONGSON_CHIPCFG);
 
 	/* wait for the given events to wakeup cpu from wait mode */
 	wait_for_wakeup_events();
 
-	LOONGSON_CHIPCFG(0) = cached_cpu_freq;
+	writel(cached_cpu_freq, LOONGSON_CHIPCFG);
+
 	mmiowb();
 }
 
diff --git a/arch/mips/loongson2ef/common/reset.c b/arch/mips/loongson2ef/common/reset.c
index ce39e918e4d5..e7c87161ce00 100644
--- a/arch/mips/loongson2ef/common/reset.c
+++ b/arch/mips/loongson2ef/common/reset.c
@@ -13,7 +13,6 @@
 #include <asm/reboot.h>
 
 #include <loongson.h>
-#include <boot_param.h>
 
 static inline void loongson_reboot(void)
 {
@@ -35,26 +34,15 @@ static inline void loongson_reboot(void)
 
 static void loongson_restart(char *command)
 {
-#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
 	/* do preparation for reboot */
 	mach_prepare_reboot();
 
 	/* reboot via jumping to boot base address */
 	loongson_reboot();
-#else
-	void (*fw_restart)(void) = (void *)loongson_sysconf.restart_addr;
-
-	fw_restart();
-	while (1) {
-		if (cpu_wait)
-			cpu_wait();
-	}
-#endif
 }
 
 static void loongson_poweroff(void)
 {
-#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
 	mach_prepare_shutdown();
 
 	/*
@@ -62,15 +50,6 @@ static void loongson_poweroff(void)
 	 * a generic delay loop, machine_hang(), so simply return.
 	 */
 	return;
-#else
-	void (*fw_poweroff)(void) = (void *)loongson_sysconf.poweroff_addr;
-
-	fw_poweroff();
-	while (1) {
-		if (cpu_wait)
-			cpu_wait();
-	}
-#endif
 }
 
 static void loongson_halt(void)
diff --git a/arch/mips/loongson2ef/common/serial.c b/arch/mips/loongson2ef/common/serial.c
index 98c3a7feb10f..ac4f6e3ebc3e 100644
--- a/arch/mips/loongson2ef/common/serial.c
+++ b/arch/mips/loongson2ef/common/serial.c
@@ -38,16 +38,15 @@
 	.regshift	= 0,					\
 }
 
-static struct plat_serial8250_port uart8250_data[][MAX_UARTS + 1] = {
+static struct plat_serial8250_port uart8250_data[MACH_LOONGSON_END + 1] = {
 	[MACH_LOONGSON_UNKNOWN]	= {},
-	[MACH_LEMOTE_FL2E]	= {PORT(4, 1843200), {} },
-	[MACH_LEMOTE_FL2F]	= {PORT(3, 1843200), {} },
-	[MACH_LEMOTE_ML2F7]	= {PORT_M(3, 3686400), {} },
-	[MACH_LEMOTE_YL2F89]	= {PORT_M(3, 3686400), {} },
-	[MACH_DEXXON_GDIUM2F10]	= {PORT_M(3, 3686400), {} },
-	[MACH_LEMOTE_NAS]	= {PORT_M(3, 3686400), {} },
-	[MACH_LEMOTE_LL2F]	= {PORT(3, 1843200), {} },
-	[MACH_LOONGSON_GENERIC]	= {PORT_M(2, 25000000), {} },
+	[MACH_LEMOTE_FL2E]	= PORT(4, 1843200),
+	[MACH_LEMOTE_FL2F]	= PORT(3, 1843200),
+	[MACH_LEMOTE_ML2F7]	= PORT_M(3, 3686400),
+	[MACH_LEMOTE_YL2F89]	= PORT_M(3, 3686400),
+	[MACH_DEXXON_GDIUM2F10]	= PORT_M(3, 3686400),
+	[MACH_LEMOTE_NAS]	= PORT_M(3, 3686400),
+	[MACH_LEMOTE_LL2F]	= PORT(3, 1843200),
 	[MACH_LOONGSON_END]	= {},
 };
 
@@ -58,53 +57,23 @@ static struct platform_device uart8250_device = {
 
 static int __init serial_init(void)
 {
-	int i;
 	unsigned char iotype;
 
-	iotype = uart8250_data[mips_machtype][0].iotype;
+	iotype = uart8250_data[mips_machtype].iotype;
 
 	if (UPIO_MEM == iotype) {
-		uart8250_data[mips_machtype][0].mapbase =
-			loongson_uart_base[0];
-		uart8250_data[mips_machtype][0].membase =
-			(void __iomem *)_loongson_uart_base[0];
+		uart8250_data[mips_machtype].mapbase =
+			loongson_uart_base;
+		uart8250_data[mips_machtype].membase =
+			(void __iomem *)_loongson_uart_base;
 	}
 	else if (UPIO_PORT == iotype)
-		uart8250_data[mips_machtype][0].iobase =
-			loongson_uart_base[0] - LOONGSON_PCIIO_BASE;
+		uart8250_data[mips_machtype].iobase =
+			loongson_uart_base - LOONGSON_PCIIO_BASE;
 
-	if (loongson_sysconf.uarts[0].uartclk)
-		uart8250_data[mips_machtype][0].uartclk =
-			loongson_sysconf.uarts[0].uartclk;
-
-	for (i = 1; i < loongson_sysconf.nr_uarts; i++) {
-		iotype = loongson_sysconf.uarts[i].iotype;
-		uart8250_data[mips_machtype][i].iotype = iotype;
-		loongson_uart_base[i] = loongson_sysconf.uarts[i].uart_base;
-
-		if (UPIO_MEM == iotype) {
-			uart8250_data[mips_machtype][i].irq =
-				MIPS_CPU_IRQ_BASE + loongson_sysconf.uarts[i].int_offset;
-			uart8250_data[mips_machtype][i].mapbase =
-				loongson_uart_base[i];
-			uart8250_data[mips_machtype][i].membase =
-				ioremap_nocache(loongson_uart_base[i], 8);
-		} else if (UPIO_PORT == iotype) {
-			uart8250_data[mips_machtype][i].irq =
-				loongson_sysconf.uarts[i].int_offset;
-			uart8250_data[mips_machtype][i].iobase =
-				loongson_uart_base[i] - LOONGSON_PCIIO_BASE;
-		}
-
-		uart8250_data[mips_machtype][i].uartclk =
-			loongson_sysconf.uarts[i].uartclk;
-		uart8250_data[mips_machtype][i].flags =
-			UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
-	}
-
-	memset(&uart8250_data[mips_machtype][loongson_sysconf.nr_uarts],
-			0, sizeof(struct plat_serial8250_port));
-	uart8250_device.dev.platform_data = uart8250_data[mips_machtype];
+	memset(&uart8250_data[mips_machtype + 1], 0,
+			sizeof(struct plat_serial8250_port));
+	uart8250_device.dev.platform_data = &uart8250_data[mips_machtype];
 
 	return platform_device_register(&uart8250_device);
 }
diff --git a/arch/mips/loongson2ef/common/setup.c b/arch/mips/loongson2ef/common/setup.c
index bc2da4c140c4..4fd27f4f90ed 100644
--- a/arch/mips/loongson2ef/common/setup.c
+++ b/arch/mips/loongson2ef/common/setup.c
@@ -11,11 +11,6 @@
 
 #include <loongson.h>
 
-#ifdef CONFIG_VT
-#include <linux/console.h>
-#include <linux/screen_info.h>
-#endif
-
 static void wbflush_loongson(void)
 {
 	asm(".set\tpush\n\t"
@@ -32,20 +27,4 @@ EXPORT_SYMBOL(__wbflush);
 
 void __init plat_mem_setup(void)
 {
-#ifdef CONFIG_VT
-#if defined(CONFIG_VGA_CONSOLE)
-	conswitchp = &vga_con;
-
-	screen_info = (struct screen_info) {
-		.orig_x			= 0,
-		.orig_y			= 25,
-		.orig_video_cols	= 80,
-		.orig_video_lines	= 25,
-		.orig_video_isVGA	= VIDEO_TYPE_VGAC,
-		.orig_video_points	= 16,
-	};
-#elif defined(CONFIG_DUMMY_CONSOLE)
-	conswitchp = &dummy_con;
-#endif
-#endif
 }
diff --git a/arch/mips/loongson2ef/common/time.c b/arch/mips/loongson2ef/common/time.c
index e78760ce475b..585741af42a9 100644
--- a/arch/mips/loongson2ef/common/time.c
+++ b/arch/mips/loongson2ef/common/time.c
@@ -18,11 +18,7 @@ void __init plat_time_init(void)
 	/* setup mips r4k timer */
 	mips_hpt_frequency = cpu_clock_freq / 2;
 
-#ifdef CONFIG_RS780_HPET
-	setup_hpet_timer();
-#else
 	setup_mfgpt0_timer();
-#endif
 }
 
 void read_persistent_clock64(struct timespec64 *ts)
diff --git a/arch/mips/loongson2ef/common/uart_base.c b/arch/mips/loongson2ef/common/uart_base.c
index e88d937f10fe..bbfe1095a843 100644
--- a/arch/mips/loongson2ef/common/uart_base.c
+++ b/arch/mips/loongson2ef/common/uart_base.c
@@ -10,9 +10,9 @@
 #include <loongson.h>
 
 /* raw */
-unsigned long loongson_uart_base[MAX_UARTS] = {};
+unsigned long loongson_uart_base;
 /* ioremapped */
-unsigned long _loongson_uart_base[MAX_UARTS] = {};
+unsigned long _loongson_uart_base;
 
 EXPORT_SYMBOL(loongson_uart_base);
 EXPORT_SYMBOL(_loongson_uart_base);
@@ -20,16 +20,12 @@ EXPORT_SYMBOL(_loongson_uart_base);
 void prom_init_loongson_uart_base(void)
 {
 	switch (mips_machtype) {
-	case MACH_LOONGSON_GENERIC:
-		/* The CPU provided serial port (CPU) */
-		loongson_uart_base[0] = LOONGSON_REG_BASE + 0x1e0;
-		break;
 	case MACH_LEMOTE_FL2E:
-		loongson_uart_base[0] = LOONGSON_PCIIO_BASE + 0x3f8;
+		loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8;
 		break;
 	case MACH_LEMOTE_FL2F:
 	case MACH_LEMOTE_LL2F:
-		loongson_uart_base[0] = LOONGSON_PCIIO_BASE + 0x2f8;
+		loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8;
 		break;
 	case MACH_LEMOTE_ML2F7:
 	case MACH_LEMOTE_YL2F89:
@@ -37,10 +33,9 @@ void prom_init_loongson_uart_base(void)
 	case MACH_LEMOTE_NAS:
 	default:
 		/* The CPU provided serial port (LPC) */
-		loongson_uart_base[0] = LOONGSON_LIO1_BASE + 0x3f8;
+		loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8;
 		break;
 	}
 
-	_loongson_uart_base[0] =
-		(unsigned long)ioremap_nocache(loongson_uart_base[0], 8);
+	_loongson_uart_base = TO_UNCAC(loongson_uart_base);
 }
diff --git a/arch/mips/loongson2ef/lemote-2f/clock.c b/arch/mips/loongson2ef/lemote-2f/clock.c
index 1ced30e7aeef..414f282c8ab5 100644
--- a/arch/mips/loongson2ef/lemote-2f/clock.c
+++ b/arch/mips/loongson2ef/lemote-2f/clock.c
@@ -118,9 +118,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 
 	clk->rate = rate;
 
-	regval = LOONGSON_CHIPCFG(0);
+	regval = readl(LOONGSON_CHIPCFG);
 	regval = (regval & ~0x7) | (pos->driver_data - 1);
-	LOONGSON_CHIPCFG(0) = regval;
+	writel(regval, LOONGSON_CHIPCFG);
 
 	return ret;
 }
diff --git a/arch/mips/loongson2ef/lemote-2f/reset.c b/arch/mips/loongson2ef/lemote-2f/reset.c
index 0db0934302ea..197dae4ffd23 100644
--- a/arch/mips/loongson2ef/lemote-2f/reset.c
+++ b/arch/mips/loongson2ef/lemote-2f/reset.c
@@ -24,7 +24,7 @@ static void reset_cpu(void)
 	 * reset cpu to full speed, this is needed when enabling cpu frequency
 	 * scalling
 	 */
-	LOONGSON_CHIPCFG(0) |= 0x7;
+	writel(readl(LOONGSON_CHIPCFG) | 0x7, LOONGSON_CHIPCFG);
 }
 
 /* reset support for fuloong2f */