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-rw-r--r--arch/mips/loongson/Kconfig31
-rw-r--r--arch/mips/loongson/Makefile11
-rw-r--r--arch/mips/loongson/common/Makefile11
-rw-r--r--arch/mips/loongson/common/bonito-irq.c (renamed from arch/mips/loongson/fuloong-2e/bonito-irq.c)0
-rw-r--r--arch/mips/loongson/common/cmdline.c (renamed from arch/mips/loongson/fuloong-2e/cmdline.c)0
-rw-r--r--arch/mips/loongson/common/early_printk.c (renamed from arch/mips/loongson/fuloong-2e/early_printk.c)5
-rw-r--r--arch/mips/loongson/common/env.c (renamed from arch/mips/loongson/fuloong-2e/env.c)0
-rw-r--r--arch/mips/loongson/common/init.c (renamed from arch/mips/loongson/fuloong-2e/init.c)0
-rw-r--r--arch/mips/loongson/common/irq.c74
-rw-r--r--arch/mips/loongson/common/machtype.c (renamed from arch/mips/loongson/fuloong-2e/machtype.c)4
-rw-r--r--arch/mips/loongson/common/mem.c (renamed from arch/mips/loongson/fuloong-2e/mem.c)11
-rw-r--r--arch/mips/loongson/common/pci.c (renamed from arch/mips/loongson/fuloong-2e/pci.c)24
-rw-r--r--arch/mips/loongson/common/reset.c44
-rw-r--r--arch/mips/loongson/common/setup.c58
-rw-r--r--arch/mips/loongson/common/time.c (renamed from arch/mips/loongson/fuloong-2e/time.c)0
-rw-r--r--arch/mips/loongson/fuloong-2e/Makefile8
-rw-r--r--arch/mips/loongson/fuloong-2e/irq.c52
-rw-r--r--arch/mips/loongson/fuloong-2e/reset.c37
18 files changed, 266 insertions, 104 deletions
diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig
new file mode 100644
index 00000000000..376712a0e2f
--- /dev/null
+++ b/arch/mips/loongson/Kconfig
@@ -0,0 +1,31 @@
+choice
+ prompt "Machine Type"
+ depends on MACH_LOONGSON
+
+config LEMOTE_FULOONG2E
+ bool "Lemote Fuloong(2e) mini-PC"
+ select ARCH_SPARSEMEM_ENABLE
+ select CEVT_R4K
+ select CSRC_R4K
+ select SYS_HAS_CPU_LOONGSON2
+ select DMA_NONCOHERENT
+ select BOOT_ELF32
+ select BOARD_SCACHE
+ select HW_HAS_PCI
+ select I8259
+ select ISA
+ select IRQ_CPU
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_HIGHMEM
+ select SYS_HAS_EARLY_PRINTK
+ select GENERIC_HARDIRQS_NO__DO_IRQ
+ select GENERIC_ISA_DMA_SUPPORT_BROKEN
+ select CPU_HAS_WB
+ help
+ Lemote Fuloong(2e) mini-PC board based on the Chinese Loongson-2E CPU and
+ an FPGA northbridge
+
+ Lemote Fuloong(2e) mini PC have a VIA686B south bridge.
+endchoice
diff --git a/arch/mips/loongson/Makefile b/arch/mips/loongson/Makefile
new file mode 100644
index 00000000000..39048c455d7
--- /dev/null
+++ b/arch/mips/loongson/Makefile
@@ -0,0 +1,11 @@
+#
+# Common code for all Loongson based systems
+#
+
+obj-$(CONFIG_MACH_LOONGSON) += common/
+
+#
+# Lemote Fuloong mini-PC (Loongson 2E-based)
+#
+
+obj-$(CONFIG_LEMOTE_FULOONG2E) += fuloong-2e/
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
new file mode 100644
index 00000000000..4e3889dec39
--- /dev/null
+++ b/arch/mips/loongson/common/Makefile
@@ -0,0 +1,11 @@
+#
+# Makefile for loongson based machines.
+#
+
+obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \
+ pci.o bonito-irq.o mem.o
+
+#
+# Early printk support
+#
+obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
diff --git a/arch/mips/loongson/fuloong-2e/bonito-irq.c b/arch/mips/loongson/common/bonito-irq.c
index 3e31e7ad713..3e31e7ad713 100644
--- a/arch/mips/loongson/fuloong-2e/bonito-irq.c
+++ b/arch/mips/loongson/common/bonito-irq.c
diff --git a/arch/mips/loongson/fuloong-2e/cmdline.c b/arch/mips/loongson/common/cmdline.c
index 75f1b243ee4..75f1b243ee4 100644
--- a/arch/mips/loongson/fuloong-2e/cmdline.c
+++ b/arch/mips/loongson/common/cmdline.c
diff --git a/arch/mips/loongson/fuloong-2e/early_printk.c b/arch/mips/loongson/common/early_printk.c
index 3e0a6eaa404..bc73edc0cfd 100644
--- a/arch/mips/loongson/fuloong-2e/early_printk.c
+++ b/arch/mips/loongson/common/early_printk.c
@@ -12,8 +12,7 @@
#include <linux/serial_reg.h>
#include <loongson.h>
-
-#define UART_BASE (BONITO_PCIIO_BASE + 0x3f8)
+#include <machine.h>
#define PORT(base, offset) (u8 *)(base + offset)
@@ -30,7 +29,7 @@ static inline void serial_out(phys_addr_t base, int offset, int value)
void prom_putchar(char c)
{
phys_addr_t uart_base =
- (phys_addr_t) ioremap_nocache(UART_BASE, 8);
+ (phys_addr_t) ioremap_nocache(LOONGSON_UART_BASE, 8);
while ((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0)
;
diff --git a/arch/mips/loongson/fuloong-2e/env.c b/arch/mips/loongson/common/env.c
index b9ef5038554..b9ef5038554 100644
--- a/arch/mips/loongson/fuloong-2e/env.c
+++ b/arch/mips/loongson/common/env.c
diff --git a/arch/mips/loongson/fuloong-2e/init.c b/arch/mips/loongson/common/init.c
index 3abe927422a..3abe927422a 100644
--- a/arch/mips/loongson/fuloong-2e/init.c
+++ b/arch/mips/loongson/common/init.c
diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c
new file mode 100644
index 00000000000..f368c735cbd
--- /dev/null
+++ b/arch/mips/loongson/common/irq.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+
+#include <loongson.h>
+/*
+ * the first level int-handler will jump here if it is a bonito irq
+ */
+void bonito_irqdispatch(void)
+{
+ u32 int_status;
+ int i;
+
+ /* workaround the IO dma problem: let cpu looping to allow DMA finish */
+ int_status = BONITO_INTISR;
+ if (int_status & (1 << 10)) {
+ while (int_status & (1 << 10)) {
+ udelay(1);
+ int_status = BONITO_INTISR;
+ }
+ }
+
+ /* Get pending sources, masked by current enables */
+ int_status = BONITO_INTISR & BONITO_INTEN;
+
+ if (int_status != 0) {
+ i = __ffs(int_status);
+ int_status &= ~(1 << i);
+ do_IRQ(BONITO_IRQ_BASE + i);
+ }
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ unsigned int pending;
+
+ pending = read_c0_cause() & read_c0_status() & ST0_IM;
+
+ /* machine-specific plat_irq_dispatch */
+ mach_irq_dispatch(pending);
+}
+
+void __init arch_init_irq(void)
+{
+ /*
+ * Clear all of the interrupts while we change the able around a bit.
+ * int-handler is not on bootstrap
+ */
+ clear_c0_status(ST0_IM | ST0_BEV);
+ local_irq_disable();
+
+ /* setting irq trigger mode */
+ set_irq_trigger_mode();
+
+ /* no steer */
+ BONITO_INTSTEER = 0;
+
+ /*
+ * Mask out all interrupt by writing "1" to all bit position in
+ * the interrupt reset reg.
+ */
+ BONITO_INTENCLR = ~0;
+
+ /* machine specific irq init */
+ mach_init_irq();
+}
diff --git a/arch/mips/loongson/fuloong-2e/machtype.c b/arch/mips/loongson/common/machtype.c
index e03aa0de617..845b3fb47e0 100644
--- a/arch/mips/loongson/fuloong-2e/machtype.c
+++ b/arch/mips/loongson/common/machtype.c
@@ -8,8 +8,10 @@
* option) any later version.
*/
+#include <machine.h>
+
const char *get_system_type(void)
{
- return "lemote-fuloong-2e-box";
+ return LOONGSON_MACHNAME;
}
diff --git a/arch/mips/loongson/fuloong-2e/mem.c b/arch/mips/loongson/common/mem.c
index 6a7feb178fa..7c92f79b648 100644
--- a/arch/mips/loongson/fuloong-2e/mem.c
+++ b/arch/mips/loongson/common/mem.c
@@ -11,13 +11,15 @@
#include <asm/bootinfo.h>
#include <loongson.h>
+#include <mem.h>
void __init prom_init_memory(void)
{
add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
#ifdef CONFIG_64BIT
if (highmemsize > 0)
- add_memory_region(0x20000000, highmemsize << 20, BOOT_MEM_RAM);
+ add_memory_region(LOONGSON_HIGHMEM_START,
+ highmemsize << 20, BOOT_MEM_RAM);
#endif /* CONFIG_64BIT */
}
@@ -27,10 +29,7 @@ int __uncached_access(struct file *file, unsigned long addr)
if (file->f_flags & O_SYNC)
return 1;
- /*
- * On the Lemote Loongson 2e system, the peripheral registers
- * reside between 0x1000:0000 and 0x2000:0000.
- */
return addr >= __pa(high_memory) ||
- ((addr >= 0x10000000) && (addr < 0x20000000));
+ ((addr >= LOONGSON_MMIO_MEM_START) &&
+ (addr < LOONGSON_MMIO_MEM_END));
}
diff --git a/arch/mips/loongson/fuloong-2e/pci.c b/arch/mips/loongson/common/pci.c
index 9812c30cc6e..a3a4abfb6c9 100644
--- a/arch/mips/loongson/fuloong-2e/pci.c
+++ b/arch/mips/loongson/common/pci.c
@@ -12,24 +12,24 @@
#include <pci.h>
#include <loongson.h>
-static struct resource loongson2e_pci_mem_resource = {
- .name = "LOONGSON2E PCI MEM",
- .start = LOONGSON2E_PCI_MEM_START,
- .end = LOONGSON2E_PCI_MEM_END,
+static struct resource loongson_pci_mem_resource = {
+ .name = "pci memory space",
+ .start = LOONGSON_PCI_MEM_START,
+ .end = LOONGSON_PCI_MEM_END,
.flags = IORESOURCE_MEM,
};
-static struct resource loongson2e_pci_io_resource = {
- .name = "LOONGSON2E PCI IO MEM",
- .start = LOONGSON2E_PCI_IO_START,
+static struct resource loongson_pci_io_resource = {
+ .name = "pci io space",
+ .start = LOONGSON_PCI_IO_START,
.end = IO_SPACE_LIMIT,
.flags = IORESOURCE_IO,
};
-static struct pci_controller loongson2e_pci_controller = {
+static struct pci_controller loongson_pci_controller = {
.pci_ops = &bonito64_pci_ops,
- .io_resource = &loongson2e_pci_io_resource,
- .mem_resource = &loongson2e_pci_mem_resource,
+ .io_resource = &loongson_pci_io_resource,
+ .mem_resource = &loongson_pci_mem_resource,
.mem_offset = 0x00000000UL,
.io_offset = 0x00000000UL,
};
@@ -73,9 +73,9 @@ static int __init pcibios_init(void)
{
setup_pcimap();
- loongson2e_pci_controller.io_map_base = mips_io_port_base;
+ loongson_pci_controller.io_map_base = mips_io_port_base;
- register_pci_controller(&loongson2e_pci_controller);
+ register_pci_controller(&loongson_pci_controller);
return 0;
}
diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c
new file mode 100644
index 00000000000..97e918251ed
--- /dev/null
+++ b/arch/mips/loongson/common/reset.c
@@ -0,0 +1,44 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology
+ * Author: Zhangjin Wu, wuzj@lemote.com
+ */
+#include <linux/init.h>
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+
+#include <loongson.h>
+
+static void loongson_restart(char *command)
+{
+ /* do preparation for reboot */
+ mach_prepare_reboot();
+
+ /* reboot via jumping to boot base address */
+ ((void (*)(void))ioremap_nocache(BONITO_BOOT_BASE, 4)) ();
+}
+
+static void loongson_halt(void)
+{
+ mach_prepare_shutdown();
+ while (1)
+ ;
+}
+
+static int __init mips_reboot_setup(void)
+{
+ _machine_restart = loongson_restart;
+ _machine_halt = loongson_halt;
+ pm_power_off = loongson_halt;
+
+ return 0;
+}
+
+arch_initcall(mips_reboot_setup);
diff --git a/arch/mips/loongson/common/setup.c b/arch/mips/loongson/common/setup.c
new file mode 100644
index 00000000000..4cd2aa9a342
--- /dev/null
+++ b/arch/mips/loongson/common/setup.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#include <linux/module.h>
+
+#include <asm/wbflush.h>
+
+#include <loongson.h>
+
+#ifdef CONFIG_VT
+#include <linux/console.h>
+#include <linux/screen_info.h>
+#endif
+
+void (*__wbflush)(void);
+EXPORT_SYMBOL(__wbflush);
+
+static void wbflush_loongson(void)
+{
+ asm(".set\tpush\n\t"
+ ".set\tnoreorder\n\t"
+ ".set mips3\n\t"
+ "sync\n\t"
+ "nop\n\t"
+ ".set\tpop\n\t"
+ ".set mips0\n\t");
+}
+
+void __init plat_mem_setup(void)
+{
+ __wbflush = wbflush_loongson;
+
+#ifdef CONFIG_VT
+#if defined(CONFIG_VGA_CONSOLE)
+ conswitchp = &vga_con;
+
+ screen_info = (struct screen_info) {
+ 0, 25, /* orig-x, orig-y */
+ 0, /* unused */
+ 0, /* orig-video-page */
+ 0, /* orig-video-mode */
+ 80, /* orig-video-cols */
+ 0, 0, 0, /* ega_ax, ega_bx, ega_cx */
+ 25, /* orig-video-lines */
+ VIDEO_TYPE_VGAC, /* orig-video-isVGA */
+ 16 /* orig-video-points */
+ };
+#elif defined(CONFIG_DUMMY_CONSOLE)
+ conswitchp = &dummy_con;
+#endif
+#endif
+}
diff --git a/arch/mips/loongson/fuloong-2e/time.c b/arch/mips/loongson/common/time.c
index b13d1717465..b13d1717465 100644
--- a/arch/mips/loongson/fuloong-2e/time.c
+++ b/arch/mips/loongson/common/time.c
diff --git a/arch/mips/loongson/fuloong-2e/Makefile b/arch/mips/loongson/fuloong-2e/Makefile
index feb1d6bba49..96e45c13c85 100644
--- a/arch/mips/loongson/fuloong-2e/Makefile
+++ b/arch/mips/loongson/fuloong-2e/Makefile
@@ -2,12 +2,6 @@
# Makefile for Lemote Fuloong2e mini-PC board.
#
-obj-y += setup.o init.o reset.o irq.o pci.o bonito-irq.o mem.o \
- env.o cmdline.o time.o machtype.o
-
-#
-# Early printk support
-#
-obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+obj-y += irq.o reset.o machtype.o
EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c
index 9585f5aa7cc..7888cf69424 100644
--- a/arch/mips/loongson/fuloong-2e/irq.c
+++ b/arch/mips/loongson/fuloong-2e/irq.c
@@ -7,39 +7,12 @@
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
-#include <linux/delay.h>
#include <linux/interrupt.h>
#include <asm/irq_cpu.h>
#include <asm/i8259.h>
#include <loongson.h>
-/*
- * the first level int-handler will jump here if it is a bonito irq
- */
-static void bonito_irqdispatch(void)
-{
- u32 int_status;
- int i;
-
- /* workaround the IO dma problem: let cpu looping to allow DMA finish */
- int_status = BONITO_INTISR;
- if (int_status & (1 << 10)) {
- while (int_status & (1 << 10)) {
- udelay(1);
- int_status = BONITO_INTISR;
- }
- }
-
- /* Get pending sources, masked by current enables */
- int_status = BONITO_INTISR & BONITO_INTEN;
-
- if (int_status != 0) {
- i = __ffs(int_status);
- int_status &= ~(1 << i);
- do_IRQ(BONITO_IRQ_BASE + i);
- }
-}
static void i8259_irqdispatch(void)
{
@@ -52,10 +25,8 @@ static void i8259_irqdispatch(void)
spurious_interrupt();
}
-asmlinkage void plat_irq_dispatch(void)
+asmlinkage void mach_irq_dispatch(unsigned int pending)
{
- unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
-
if (pending & CAUSEF_IP7)
do_IRQ(MIPS_CPU_IRQ_BASE + 7);
else if (pending & CAUSEF_IP6) /* perf counter loverflow */
@@ -73,26 +44,15 @@ static struct irqaction cascade_irqaction = {
.name = "cascade",
};
-void __init arch_init_irq(void)
+void __init set_irq_trigger_mode(void)
{
- /*
- * Clear all of the interrupts while we change the able around a bit.
- * int-handler is not on bootstrap
- */
- clear_c0_status(ST0_IM | ST0_BEV);
- local_irq_disable();
-
/* most bonito irq should be level triggered */
BONITO_INTEDGE = BONITO_ICU_SYSTEMERR | BONITO_ICU_MASTERERR |
- BONITO_ICU_RETRYERR | BONITO_ICU_MBOXES;
- BONITO_INTSTEER = 0;
-
- /*
- * Mask out all interrupt by writing "1" to all bit position in
- * the interrupt reset reg.
- */
- BONITO_INTENCLR = ~0;
+ BONITO_ICU_RETRYERR | BONITO_ICU_MBOXES;
+}
+void __init mach_init_irq(void)
+{
/* init all controller
* 0-15 ------> i8259 interrupt
* 16-23 ------> mips cpu interrupt
diff --git a/arch/mips/loongson/fuloong-2e/reset.c b/arch/mips/loongson/fuloong-2e/reset.c
index c21299af7f6..677fe186db9 100644
--- a/arch/mips/loongson/fuloong-2e/reset.c
+++ b/arch/mips/loongson/fuloong-2e/reset.c
@@ -1,44 +1,23 @@
-/*
+/* Board-specific reboot/shutdown routines
+ * Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca>
+ *
+ * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, wuzj@lemote.com
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
- *
- * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@lemote.com
- * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology
- * Author: Zhangjin Wu, wuzj@lemote.com
*/
-#include <linux/init.h>
-#include <linux/pm.h>
-
-#include <asm/reboot.h>
#include <loongson.h>
-static void loongson2e_restart(char *command)
+void mach_prepare_reboot(void)
{
- /* do preparation for reboot */
BONITO_BONGENCFG &= ~(1 << 2);
BONITO_BONGENCFG |= (1 << 2);
-
- /* reboot via jumping to boot base address */
- ((void (*)(void))ioremap_nocache(BONITO_BOOT_BASE, 4)) ();
}
-static void loongson2e_halt(void)
+void mach_prepare_shutdown(void)
{
- while (1)
- ;
}
-
-static int __init mips_reboot_setup(void)
-{
- _machine_restart = loongson2e_restart;
- _machine_halt = loongson2e_halt;
- pm_power_off = loongson2e_halt;
-
- return 0;
-}
-
-arch_initcall(mips_reboot_setup);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-03 18:26:00 +0000