From: Wu Zhangjin <wuzhangjin@xxxxxxxxx>
for sharing lots of loongson-specific source code among loongson-based
machines, there is a need to split the loongson-specific part out to a
common/ directory.
and the machine-specific files are put in the machine-name/ directory.
Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx>
---
arch/mips/Kconfig | 54 +++++-------
arch/mips/Makefile | 5 +-
arch/mips/include/asm/mach-loongson/loongson.h | 14 +++-
arch/mips/loongson/Kconfig | 31 +++++++
arch/mips/loongson/Makefile | 11 +++
arch/mips/loongson/common/Makefile | 20 +++++
arch/mips/loongson/common/bonito-irq.c | 69 +++++++++++++++
arch/mips/loongson/common/cmdline.c | 80 +++++++++++++++++
arch/mips/loongson/common/early_printk.c | 28 ++++++
arch/mips/loongson/common/init.c | 40 +++++++++
arch/mips/loongson/common/irq.c | 110 ++++++++++++++++++++++++
arch/mips/loongson/common/mem.c | 40 +++++++++
arch/mips/loongson/common/misc.c | 15 +++
arch/mips/loongson/common/pci.c | 101 ++++++++++++++++++++++
arch/mips/loongson/common/reset.c | 38 ++++++++
arch/mips/loongson/common/rtc.c | 54 ++++++++++++
arch/mips/loongson/common/setup.c | 74 ++++++++++++++++
arch/mips/loongson/common/time.c | 27 ++++++
arch/mips/loongson/fuloong-2e/Makefile | 17 +---
arch/mips/loongson/fuloong-2e/bonito-irq.c | 69 ---------------
arch/mips/loongson/fuloong-2e/cmdline.c | 77 -----------------
arch/mips/loongson/fuloong-2e/early_printk.c | 28 ------
arch/mips/loongson/fuloong-2e/init.c | 40 ---------
arch/mips/loongson/fuloong-2e/irq.c | 89 +------------------
arch/mips/loongson/fuloong-2e/mem.c | 40 ---------
arch/mips/loongson/fuloong-2e/misc.c | 15 ---
arch/mips/loongson/fuloong-2e/pci.c | 102 ----------------------
arch/mips/loongson/fuloong-2e/reset.c | 36 +++------
arch/mips/loongson/fuloong-2e/rtc.c | 55 ------------
arch/mips/loongson/fuloong-2e/setup.c | 74 ----------------
arch/mips/loongson/fuloong-2e/time.c | 27 ------
31 files changed, 793 insertions(+), 687 deletions(-)
create mode 100644 arch/mips/loongson/Kconfig
create mode 100644 arch/mips/loongson/Makefile
create mode 100644 arch/mips/loongson/common/Makefile
create mode 100644 arch/mips/loongson/common/bonito-irq.c
create mode 100644 arch/mips/loongson/common/cmdline.c
create mode 100644 arch/mips/loongson/common/early_printk.c
create mode 100644 arch/mips/loongson/common/init.c
create mode 100644 arch/mips/loongson/common/irq.c
create mode 100644 arch/mips/loongson/common/mem.c
create mode 100644 arch/mips/loongson/common/misc.c
create mode 100644 arch/mips/loongson/common/pci.c
create mode 100644 arch/mips/loongson/common/reset.c
create mode 100644 arch/mips/loongson/common/rtc.c
create mode 100644 arch/mips/loongson/common/setup.c
create mode 100644 arch/mips/loongson/common/time.c
delete mode 100644 arch/mips/loongson/fuloong-2e/bonito-irq.c
delete mode 100644 arch/mips/loongson/fuloong-2e/cmdline.c
delete mode 100644 arch/mips/loongson/fuloong-2e/early_printk.c
delete mode 100644 arch/mips/loongson/fuloong-2e/init.c
delete mode 100644 arch/mips/loongson/fuloong-2e/mem.c
delete mode 100644 arch/mips/loongson/fuloong-2e/misc.c
delete mode 100644 arch/mips/loongson/fuloong-2e/pci.c
delete mode 100644 arch/mips/loongson/fuloong-2e/rtc.c
delete mode 100644 arch/mips/loongson/fuloong-2e/setup.c
delete mode 100644 arch/mips/loongson/fuloong-2e/time.c
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 974ce41..b5581d6 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -6,7 +6,7 @@ config MIPS
select HAVE_ARCH_KGDB
# Horrible source of confusion. Die, die, die ...
select EMBEDDED
- select RTC_LIB if !LEMOTE_FULOONG2E
+ select RTC_LIB if !LOONGSON_SYSTEMS
mainmenu "Linux/MIPS Kernel Configuration"
@@ -156,31 +156,16 @@ config LASAT
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
-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 HAVE_STD_PC_SERIAL_PORT
- 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
+config LOONGSON_SYSTEMS
+ bool "Loongson Based Machines"
help
- Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
- an FPGA northbridge
+ This enables the support of Loongson based machines.
+
+ Loongson is a family of general-purpose MIPS-compatible CPUs.
+ developed at Institute of Computing Technology (ICT),
+ Chinese Academy of Sciences (CAS) in the People's Republic
+ of China. The chief architect is Professor Weiwu Hu.
+
config MIPS_MALTA
bool "MIPS Malta board"
@@ -649,6 +634,7 @@ source "arch/mips/sibyte/Kconfig"
source "arch/mips/txx9/Kconfig"
source "arch/mips/vr41xx/Kconfig"
source "arch/mips/cavium-octeon/Kconfig"
+source "arch/mips/loongson/Kconfig"
endmenu
@@ -1014,12 +1000,10 @@ choice
prompt "CPU type"
default CPU_R4X00
-config CPU_LOONGSON2
- bool "Loongson 2"
- depends on SYS_HAS_CPU_LOONGSON2
- select CPU_SUPPORTS_32BIT_KERNEL
- select CPU_SUPPORTS_64BIT_KERNEL
- select CPU_SUPPORTS_HIGHMEM
+config CPU_LOONGSON2E
+ bool "Loongson 2E"
+ depends on SYS_HAS_CPU_LOONGSON2E
+ select CPU_LOONGSON2
help
The Loongson 2E processor implements the MIPS III instruction set
with many extensions.
@@ -1262,7 +1246,13 @@ config CPU_CAVIUM_OCTEON
endchoice
-config SYS_HAS_CPU_LOONGSON2
+config CPU_LOONGSON2
+ bool
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HIGHMEM
+
+config SYS_HAS_CPU_LOONGSON2E
bool
config SYS_HAS_CPU_MIPS32_R1
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 7afec0b..6cbfc22 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -306,9 +306,10 @@ load-$(CONFIG_WR_PPMC) += 0xffffffff80100000
#
# lemote fulong mini-PC board
#
-core-$(CONFIG_LEMOTE_FULOONG2E) +=arch/mips/loongson/fuloong-2e/
+core-$(CONFIG_LOONGSON_SYSTEMS) +=arch/mips/loongson/
+cflags-$(CONFIG_LOONGSON_SYSTEMS) += -I$(srctree)/arch/mips/include/asm/mach-loongson \
+ -mno-branch-likely
load-$(CONFIG_LEMOTE_FULOONG2E) +=0xffffffff80100000
-cflags-$(CONFIG_LEMOTE_FULOONG2E) += -I$(srctree)/arch/mips/include/asm/mach-loongson
#
# MIPS Malta board
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h
index 5ad629e..29c9730 100644
--- a/arch/mips/include/asm/mach-loongson/loongson.h
+++ b/arch/mips/include/asm/mach-loongson/loongson.h
@@ -20,7 +20,7 @@
/* loongson internal northbridge initialization */
extern void bonito_irq_init(void);
-/* command line */
+/* command line arguments */
extern unsigned long bus_clock, cpu_clock_freq;
extern unsigned long memsize, highmemsize;
@@ -31,6 +31,18 @@ extern void loongson_reboot_setup(void);
extern void __init prom_init_memory(void);
extern void __init prom_init_cmdline(void);
+/* irq operation functions */
+extern void bonito_irqdispatch(void);
+extern void i8259_irqdispatch(void);
+extern void __init bonito_irq_init(void);
+extern void __init set_irq_trigger_mode(void);
+extern inline int mach_i8259_irq(void);
+extern inline void mach_irq_dispatch(unsigned int pending);
+
+/* machine-specific reboot/halt operation */
+extern void mach_prepare_reboot(void);
+extern void mach_prepare_shutdown(void);
+
#define LOONGSON_REG(x) \
(*(u32 *)((char *)CKSEG1ADDR(LOONGSON_REG_BASE) + (x)))
#define LOONGSON_IRQ_BASE 32
diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig
new file mode 100644
index 0000000..5874bf6
--- /dev/null
+++ b/arch/mips/loongson/Kconfig
@@ -0,0 +1,31 @@
+choice
+ prompt "Machine Type"
+ depends on LOONGSON_SYSTEMS
+
+config LEMOTE_FULOONG2E
+ bool "Lemote Fuloong(2e) mini-PC"
+ select ARCH_SPARSEMEM_ENABLE
+ select CEVT_R4K
+ select CSRC_R4K
+ select SYS_HAS_CPU_LOONGSON2E
+ select DMA_NONCOHERENT
+ select BOOT_ELF32
+ select BOARD_SCACHE
+ select HAVE_STD_PC_SERIAL_PORT
+ 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 Fulong mini-PC board based on the Chinese Loongson-2E CPU and
+ an FPGA northbridge
+
+endchoice
diff --git a/arch/mips/loongson/Makefile b/arch/mips/loongson/Makefile
new file mode 100644
index 0000000..cc9f1c8
--- /dev/null
+++ b/arch/mips/loongson/Makefile
@@ -0,0 +1,11 @@
+#
+# Common code for all Loongson based systems
+#
+
+obj-$(CONFIG_LOONGSON_SYSTEMS) += common/
+
+#
+# Lemote Fuloong mini-PC (Loongson 2E-based)
+#
+
+obj-$(CONFIG_LEMOTE_FULOONG2E) += fuloong-2e/
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
new file mode 100644
index 0000000..79b2736
--- /dev/null
+++ b/arch/mips/loongson/common/Makefile
@@ -0,0 +1,20 @@
+#
+# Makefile for loongson based machines.
+#
+
+obj-y += setup.o init.o cmdline.o time.o reset.o irq.o \
+ pci.o bonito-irq.o mem.o misc.o
+
+#
+# Early printk support
+#
+obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+
+#
+# Enable RTC Class support
+#
+# please enable CONFIG_RTC_DRV_CMOS
+#
+obj-$(CONFIG_RTC_DRV_CMOS) += rtc.o
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/loongson/common/bonito-irq.c b/arch/mips/loongson/common/bonito-irq.c
new file mode 100644
index 0000000..1f43447
--- /dev/null
+++ b/arch/mips/loongson/common/bonito-irq.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@xxxxxxxxxx or jsun@xxxxxxxxxx
+ * Copyright (C) 2000, 2001 Ralf Baechle (ralf@xxxxxxx)
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/interrupt.h>
+
+#include <loongson.h>
+#include <machine.h>
+
+static inline void bonito_irq_enable(unsigned int irq)
+{
+ LOONGSON_INTENSET = (1 << (irq - LOONGSON_IRQ_BASE));
+ mmiowb();
+}
+
+static inline void bonito_irq_disable(unsigned int irq)
+{
+ LOONGSON_INTENCLR = (1 << (irq - LOONGSON_IRQ_BASE));
+ mmiowb();
+}
+
+static struct irq_chip bonito_irq_type = {
+ .name = "bonito_irq",
+ .ack = bonito_irq_disable,
+ .mask = bonito_irq_disable,
+ .mask_ack = bonito_irq_disable,
+ .unmask = bonito_irq_enable,
+};
+
+static struct irqaction dma_timeout_irqaction = {
+ .handler = no_action,
+ .name = "dma_timeout",
+};
+
+void bonito_irq_init(void)
+{
+ u32 i;
+
+ for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
+ set_irq_chip_and_handler(i, &bonito_irq_type, handle_level_irq);
+
+ setup_irq(LOONGSON_DMATIMEOUT_IRQ, &dma_timeout_irqaction);
+}
diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c
new file mode 100644
index 0000000..6f603ac
--- /dev/null
+++ b/arch/mips/loongson/common/cmdline.c
@@ -0,0 +1,80 @@
+/*
+ * Based on Ocelot Linux port, which is
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: jsun@xxxxxxxxxx or jsun@xxxxxxxxxx
+ *
+ * Copyright 2003 ICT CAS
+ * Author: Michael Guo <guoyi@xxxxxxxxx>
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
+ *
+ * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
+ *
+ * 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/bootmem.h>
+
+#include <asm/bootinfo.h>
+
+unsigned long bus_clock, cpu_clock_freq;
+unsigned long memsize, highmemsize;
+
+int prom_argc;
+/* pmon passes arguments in 32bit pointers */
+int *_prom_argv, *_prom_envp;
+
+#define parse_even_earlier(res, option, p) \
+do { \
+ if (strncmp(option, (char *)p, strlen(option)) == 0) \
+ strict_strtol((char *)p + strlen(option"="), \
+ 10, &res); \
+} while (0)
+
+void __init prom_init_cmdline(void)
+{
+ int i;
+ long l;
+ prom_argc = fw_arg0;
+ _prom_argv = (int *)fw_arg1;
+ _prom_envp = (int *)fw_arg2;
+
+ /* arg[0] is "g", the rest is boot parameters */
+ arcs_cmdline[0] = '\0';
+ for (i = 1; i < prom_argc; i++) {
+ l = (long)_prom_argv[i];
+ if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
+ >= sizeof(arcs_cmdline))
+ break;
+ strcat(arcs_cmdline, ((char *)l));
+ strcat(arcs_cmdline, " ");
+ }
+
+ /* handle console, root, busclock, cpuclock, memsize, highmemsize
+ arguments */
+
+ if ((strstr(arcs_cmdline, "console=")) == NULL)
+ strcat(arcs_cmdline, " console=ttyS0,115200");
+ if ((strstr(arcs_cmdline, "root=")) == NULL)
+ strcat(arcs_cmdline, " root=/dev/hda1");
+
+ l = (long)*_prom_envp;
+ while (l != 0) {
+ parse_even_earlier(bus_clock, "busclock", l);
+ 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;
+
+ pr_info("busclock=%ld, cpuclock=%ld, memsize=%ld, highmemsize=%ld\n",
+ bus_clock, cpu_clock_freq, memsize, highmemsize);
+}
diff --git a/arch/mips/loongson/common/early_printk.c b/arch/mips/loongson/common/early_printk.c
new file mode 100644
index 0000000..9f4b881
--- /dev/null
+++ b/arch/mips/loongson/common/early_printk.c
@@ -0,0 +1,28 @@
+/* early printk support
+ *
+ * Copyright (c) 2009 Philippe Vachon <philippe@xxxxxxxxx>
+ *
+ * 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/types.h>
+#include <linux/serial_reg.h>
+
+#include <loongson.h>
+#include <machine.h>
+
+void prom_putchar(char c)
+{
+ int timeout;
+ phys_addr_t uart_base =
+ (phys_addr_t) ioremap_nocache(LOONGSON_UART_BASE, 8);
+ char reg = readb((u8 *) (uart_base + UART_LSR)) & UART_LSR_THRE;
+
+ for (timeout = 1024; reg == 0 && timeout > 0; timeout--)
+ reg = readb((u8 *) (uart_base + UART_LSR)) & UART_LSR_THRE;
+
+ writeb(c, (u8 *) (uart_base + UART_TX));
+}
diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c
new file mode 100644
index 0000000..76e6fda
--- /dev/null
+++ b/arch/mips/loongson/common/init.c
@@ -0,0 +1,40 @@
+/*
+ * Based on Ocelot Linux port, which is
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: jsun@xxxxxxxxxx or jsun@xxxxxxxxxx
+ *
+ * Copyright 2003 ICT CAS
+ * Author: Michael Guo <guoyi@xxxxxxxxx>
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
+ *
+ * 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/bootmem.h>
+
+#include <asm/bootinfo.h>
+#include <asm/cpu.h>
+
+#include <loongson.h>
+
+void __init prom_init(void)
+{
+ /* init mach type, does we need to init it?? */
+ mips_machtype = PRID_IMP_LOONGSON2;
+
+ /* init several base address */
+ set_io_port_base((unsigned long)
+ ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
+
+ prom_init_cmdline();
+ prom_init_memory();
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c
new file mode 100644
index 0000000..79ae697
--- /dev/null
+++ b/arch/mips/loongson/common/irq.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@xxxxxxxxxx or jsun@xxxxxxxxxx
+ * Copyright (C) 2000, 2001 Ralf Baechle (ralf@xxxxxxx)
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
+ *
+ * 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 <asm/irq_cpu.h>
+#include <asm/i8259.h>
+
+#include <loongson.h>
+#include <machine.h>
+
+/*
+ * the first level int-handler will jump here if it is a loongson irq
+ */
+void bonito_irqdispatch(void)
+{
+ u32 int_status;
+ int i;
+
+ /* workaround the IO dma problem: let cpu looping to allow DMA finish */
+ int_status = LOONGSON_INTISR;
+ while (int_status & (1 << 10)) {
+ udelay(1);
+ int_status = LOONGSON_INTISR;
+ }
+
+ /* Get pending sources, masked by current enables */
+ int_status = LOONGSON_INTISR & LOONGSON_INTEN;
+
+ if (int_status != 0) {
+ i = __ffs(int_status);
+ int_status &= ~(1 << i);
+ do_IRQ(LOONGSON_IRQ_BASE + i);
+ }
+}
+
+void i8259_irqdispatch(void)
+{
+ int irq;
+
+ irq = mach_i8259_irq();
+ if (irq < 0)
+ spurious_interrupt();
+ else
+ do_IRQ(irq);
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
+
+ mach_irq_dispatch(pending);
+}
+
+
+static struct irqaction cascade_irqaction = {
+ .handler = no_action,
+ .mask = CPU_MASK_NONE,
+ .name = "cascade",
+};
+
+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 */
+ LOONGSON_INTSTEER = 0;
+
+ /*
+ * Mask out all interrupt by writing "1" to all bit position in
+ * the interrupt reset reg.
+ */
+ LOONGSON_INTENCLR = ~0;
+
+ /* init all controller
+ * 0-15 ------> i8259 interrupt
+ * 16-23 ------> mips cpu interrupt
+ * 32-63 ------> bonito irq
+ */
+
+ /* Sets the first-level interrupt dispatcher. */
+ mips_cpu_irq_init();
+ init_i8259_irqs();
+ bonito_irq_init();
+
+ /* setup north bridge irq (bonito) */
+ setup_irq(LOONGSON_NORTH_BRIDGE_IRQ, &cascade_irqaction);
+ /* setup source bridge irq (i8259) */
+ setup_irq(LOONGSON_SOUTH_BRIDGE_IRQ, &cascade_irqaction);
+}
diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c
new file mode 100644
index 0000000..17a7278
--- /dev/null
+++ b/arch/mips/loongson/common/mem.c
@@ -0,0 +1,40 @@
+/*
+ * 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/fs.h>
+#include <linux/mm.h>
+
+#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(LOONGSON_HIGHMEM_START,
+ highmemsize << 20, BOOT_MEM_RAM);
+ }
+#endif /* CONFIG_64BIT */
+}
+
+/* override of arch/mips/mm/cache.c: __uncached_access */
+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 >= LOONGSON_MMIO_MEM_START) && \
+ (addr < LOONGSON_MMIO_MEM_END));
+}
diff --git a/arch/mips/loongson/common/misc.c b/arch/mips/loongson/common/misc.c
new file mode 100644
index 0000000..1b8044c
--- /dev/null
+++ b/arch/mips/loongson/common/misc.c
@@ -0,0 +1,15 @@
+/* Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
+ *
+ * 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 <machine.h>
+
+const char *get_system_type(void)
+{
+ return MACH_NAME;
+}
diff --git a/arch/mips/loongson/common/pci.c b/arch/mips/loongson/common/pci.c
new file mode 100644
index 0000000..e97c845
--- /dev/null
+++ b/arch/mips/loongson/common/pci.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/pci.h>
+
+#include <loongson.h>
+#include <pci.h>
+
+static struct resource loongson_pci_mem_resource = {
+ .name = "LOONGSON PCI MEM",
+ .start = LOONGSON_PCI_MEM_START,
+ .end = LOONGSON_PCI_MEM_END,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct resource loongson_pci_io_resource = {
+ .name = "LOONGSON PCI IO MEM",
+ .start = LOONGSON_PCI_IO_START,
+ .end = IO_SPACE_LIMIT,
+ .flags = IORESOURCE_IO,
+};
+
+static struct pci_controller loongson_pci_controller = {
+ .pci_ops = &loongson_pci_ops,
+ .io_resource = &loongson_pci_io_resource,
+ .mem_resource = &loongson_pci_mem_resource,
+ .mem_offset = 0x00000000UL,
+ .io_offset = 0x00000000UL,
+};
+
+static void __init ict_pcimap(void)
+{
+ /*
+ * local to PCI mapping for CPU accessing PCI space
+ *
+ * CPU address space [256M,448M] is window for accessing pci space
+ * we set pcimap_lo[0,1,2] to map it to pci space[0M,64M], [320M,448M]
+ *
+ * pcimap: PCI_MAP2 PCI_Mem_Lo2 PCI_Mem_Lo1 PCI_Mem_Lo0
+ * [<2G] [384M,448M] [320M,384M] [0M,64M]
+ */
+ LOONGSON_PCIMAP = LOONGSON_PCIMAP_PCIMAP_2 |
+ LOONGSON_PCIMAP_WIN(2, 0x18000000) |
+ LOONGSON_PCIMAP_WIN(1, 0x14000000) |
+ LOONGSON_PCIMAP_WIN(0, 0);
+
+ /*
+ * PCI-DMA to local mapping: [2G,2G+256M] -> [0M,256M]
+ */
+ LOONGSON_PCIBASE0 = 0x80000000ul; /* base: 2G -> mmap: 0M */
+ /* size: 256M, burst transmission, pre-fetch enable, 64bit */
+ LOONGSON_PCI_HIT0_SEL_L = 0xc000000cul;
+ LOONGSON_PCI_HIT0_SEL_H = 0xfffffffful;
+ LOONGSON_PCI_HIT1_SEL_L = 0x00000006ul; /* set this BAR as invalid */
+ LOONGSON_PCI_HIT1_SEL_H = 0x00000000ul;
+ LOONGSON_PCI_HIT2_SEL_L = 0x00000006ul; /* set this BAR as invalid */
+ LOONGSON_PCI_HIT2_SEL_H = 0x00000000ul;
+
+ /* avoid deadlock of PCI reading/writing lock operation */
+ LOONGSON_PCI_ISR4C = 0xd2000001ul;
+
+ /* can not change gnt to break pci transfer when device's gnt not
+ deassert for some broken device */
+ LOONGSON_PXARB_CFG = 0x00fe0105ul;
+}
+
+static int __init pcibios_init(void)
+{
+ ict_pcimap();
+
+ loongson_pci_controller.io_map_base = mips_io_port_base;
+
+ register_pci_controller(&loongson_pci_controller);
+
+ return 0;
+}
+
+arch_initcall(pcibios_init);
diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c
new file mode 100644
index 0000000..c3431fb
--- /dev/null
+++ b/arch/mips/loongson/common/reset.c
@@ -0,0 +1,38 @@
+/*
+ * 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@xxxxxxxxxx
+ */
+
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+
+#include <loongson.h>
+
+static void loongson_restart(char *command)
+{
+ /* perform board-specific pre-reboot operations */
+ mach_prepare_reboot();
+
+ /* reboot via jumping to 0xbfc00000 */
+ ((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) ();
+}
+
+static void loongson_halt(void)
+{
+ mach_prepare_shutdown();
+ while (1)
+ ;
+}
+
+void __init loongson_reboot_setup(void)
+{
+ _machine_restart = loongson_restart;
+ _machine_halt = loongson_halt;
+ pm_power_off = loongson_halt;
+}
diff --git a/arch/mips/loongson/common/rtc.c b/arch/mips/loongson/common/rtc.c
new file mode 100644
index 0000000..1eb39b4
--- /dev/null
+++ b/arch/mips/loongson/common/rtc.c
@@ -0,0 +1,54 @@
+/*
+ * Registration of Cobalt RTC platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
+ * Copyright (C) 2009 Wu Zhangjin <wuzj@xxxxxxxxxx>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <linux/ioport.h>
+#include <linux/mc146818rtc.h>
+#include <linux/platform_device.h>
+
+static struct resource rtc_cmos_resource[] = {
+ {
+ .start = RTC_PORT(0),
+ .end = RTC_PORT(1),
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .start = RTC_IRQ,
+ .end = RTC_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device rtc_cmos_device = {
+ .name = "rtc_cmos",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(rtc_cmos_resource),
+ .resource = rtc_cmos_resource
+};
+
+static __init int rtc_cmos_init(void)
+{
+ platform_device_register(&rtc_cmos_device);
+
+ return 0;
+}
+
+device_initcall(rtc_cmos_init);
diff --git a/arch/mips/loongson/common/setup.c b/arch/mips/loongson/common/setup.c
new file mode 100644
index 0000000..4fcbe48
--- /dev/null
+++ b/arch/mips/loongson/common/setup.c
@@ -0,0 +1,74 @@
+/*
+ * board dependent setup routines
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
+ *
+ * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
+ *
+ * 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>
+
+void (*__wbflush) (void);
+EXPORT_SYMBOL(__wbflush);
+
+static void loongson_wbflush(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 loongson_wbflush_setup(void)
+{
+ __wbflush = loongson_wbflush;
+}
+
+#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
+#include <linux/screen_info.h>
+
+void __init loongson_screeninfo_setup(void)
+{
+ screen_info = (struct screen_info) {
+ 0, /* orig-x */
+ 25, /* orig-y */
+ 0, /* unused */
+ 0, /* orig-video-page */
+ 0, /* orig-video-mode */
+ 80, /* orig-video-cols */
+ 0, /* ega_ax */
+ 0, /* ega_bx */
+ 0, /* ega_cx */
+ 25, /* orig-video-lines */
+ VIDEO_TYPE_VGAC, /* orig-video-isVGA */
+ 16 /* orig-video-points */
+ };
+}
+#else
+void __init loongson_screeninfo_setup(void)
+{
+}
+#endif
+
+void __init plat_mem_setup(void)
+{
+ loongson_reboot_setup();
+
+ loongson_wbflush_setup();
+
+ loongson_screeninfo_setup();
+}
diff --git a/arch/mips/loongson/common/time.c b/arch/mips/loongson/common/time.c
new file mode 100644
index 0000000..231f0c2
--- /dev/null
+++ b/arch/mips/loongson/common/time.c
@@ -0,0 +1,27 @@
+/*
+ * board dependent boot routines
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
+ *
+ * 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 <asm/mc146818-time.h>
+#include <asm/time.h>
+
+#include <loongson.h>
+
+unsigned long read_persistent_clock(void)
+{
+ return mc146818_get_cmos_time();
+}
+
+void __init plat_time_init(void)
+{
+ /* setup mips r4k timer */
+ mips_hpt_frequency = cpu_clock_freq / 2;
+}
diff --git a/arch/mips/loongson/fuloong-2e/Makefile b/arch/mips/loongson/fuloong-2e/Makefile
index 76904da..1ee57a1 100644
--- a/arch/mips/loongson/fuloong-2e/Makefile
+++ b/arch/mips/loongson/fuloong-2e/Makefile
@@ -1,20 +1,7 @@
#
-# Makefile for Lemote Fulong mini-PC board.
+# Makefile for fuloong-2e
#
-obj-y += setup.o init.o cmdline.o time.o reset.o irq.o \
- pci.o bonito-irq.o mem.o misc.o
-
-#
-# Early printk support
-#
-obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-
-#
-# Enable RTC Class support
-#
-# please enable CONFIG_RTC_DRV_CMOS
-#
-obj-$(CONFIG_RTC_DRV_CMOS) += rtc.o
+obj-y += irq.o reset.o
EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/loongson/fuloong-2e/bonito-irq.c b/arch/mips/loongson/fuloong-2e/bonito-irq.c
deleted file mode 100644
index 1f43447..0000000
--- a/arch/mips/loongson/fuloong-2e/bonito-irq.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@xxxxxxxxxx or jsun@xxxxxxxxxx
- * Copyright (C) 2000, 2001 Ralf Baechle (ralf@xxxxxxx)
- *
- * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/interrupt.h>
-
-#include <loongson.h>
-#include <machine.h>
-
-static inline void bonito_irq_enable(unsigned int irq)
-{
- LOONGSON_INTENSET = (1 << (irq - LOONGSON_IRQ_BASE));
- mmiowb();
-}
-
-static inline void bonito_irq_disable(unsigned int irq)
-{
- LOONGSON_INTENCLR = (1 << (irq - LOONGSON_IRQ_BASE));
- mmiowb();
-}
-
-static struct irq_chip bonito_irq_type = {
- .name = "bonito_irq",
- .ack = bonito_irq_disable,
- .mask = bonito_irq_disable,
- .mask_ack = bonito_irq_disable,
- .unmask = bonito_irq_enable,
-};
-
-static struct irqaction dma_timeout_irqaction = {
- .handler = no_action,
- .name = "dma_timeout",
-};
-
-void bonito_irq_init(void)
-{
- u32 i;
-
- for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
- set_irq_chip_and_handler(i, &bonito_irq_type, handle_level_irq);
-
- setup_irq(LOONGSON_DMATIMEOUT_IRQ, &dma_timeout_irqaction);
-}
diff --git a/arch/mips/loongson/fuloong-2e/cmdline.c b/arch/mips/loongson/fuloong-2e/cmdline.c
deleted file mode 100644
index 01e30db..0000000
--- a/arch/mips/loongson/fuloong-2e/cmdline.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Based on Ocelot Linux port, which is
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@xxxxxxxxxx or jsun@xxxxxxxxxx
- *
- * Copyright 2003 ICT CAS
- * Author: Michael Guo <guoyi@xxxxxxxxx>
- *
- * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
- *
- * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
- * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
- *
- * 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/bootmem.h>
-
-#include <asm/bootinfo.h>
-
-unsigned long bus_clock, cpu_clock_freq;
-unsigned long memsize, highmemsize;
-
-int prom_argc;
-/* pmon passes arguments in 32bit pointers */
-int *_prom_argv, *_prom_envp;
-
-#define parse_even_earlier(res, option, p) \
-do { \
- if (strncmp(option, (char *)p, strlen(option)) == 0) \
- strict_strtol((char *)p + strlen(option"="), \
- 10, &res); \
-} while (0)
-
-void __init prom_init_cmdline(void)
-{
- int i;
- long l;
- prom_argc = fw_arg0;
- _prom_argv = (int *)fw_arg1;
- _prom_envp = (int *)fw_arg2;
-
- /* arg[0] is "g", the rest is boot parameters */
- arcs_cmdline[0] = '\0';
- for (i = 1; i < prom_argc; i++) {
- l = (long)_prom_argv[i];
- if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
- >= sizeof(arcs_cmdline))
- break;
- strcat(arcs_cmdline, ((char *)l));
- strcat(arcs_cmdline, " ");
- }
-
- if ((strstr(arcs_cmdline, "console=")) == NULL)
- strcat(arcs_cmdline, " console=ttyS0,115200");
- if ((strstr(arcs_cmdline, "root=")) == NULL)
- strcat(arcs_cmdline, " root=/dev/hda1");
-
- l = (long)*_prom_envp;
- while (l != 0) {
- parse_even_earlier(bus_clock, "busclock", l);
- 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;
-
- pr_info("busclock=%ld, cpuclock=%ld, memsize=%ld, highmemsize=%ld\n",
- bus_clock, cpu_clock_freq, memsize, highmemsize);
-}
diff --git a/arch/mips/loongson/fuloong-2e/early_printk.c b/arch/mips/loongson/fuloong-2e/early_printk.c
deleted file mode 100644
index 9f4b881..0000000
--- a/arch/mips/loongson/fuloong-2e/early_printk.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* early printk support
- *
- * Copyright (c) 2009 Philippe Vachon <philippe@xxxxxxxxx>
- *
- * 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/types.h>
-#include <linux/serial_reg.h>
-
-#include <loongson.h>
-#include <machine.h>
-
-void prom_putchar(char c)
-{
- int timeout;
- phys_addr_t uart_base =
- (phys_addr_t) ioremap_nocache(LOONGSON_UART_BASE, 8);
- char reg = readb((u8 *) (uart_base + UART_LSR)) & UART_LSR_THRE;
-
- for (timeout = 1024; reg == 0 && timeout > 0; timeout--)
- reg = readb((u8 *) (uart_base + UART_LSR)) & UART_LSR_THRE;
-
- writeb(c, (u8 *) (uart_base + UART_TX));
-}
diff --git a/arch/mips/loongson/fuloong-2e/init.c b/arch/mips/loongson/fuloong-2e/init.c
deleted file mode 100644
index 76e6fda..0000000
--- a/arch/mips/loongson/fuloong-2e/init.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Based on Ocelot Linux port, which is
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@xxxxxxxxxx or jsun@xxxxxxxxxx
- *
- * Copyright 2003 ICT CAS
- * Author: Michael Guo <guoyi@xxxxxxxxx>
- *
- * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
- *
- * 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/bootmem.h>
-
-#include <asm/bootinfo.h>
-#include <asm/cpu.h>
-
-#include <loongson.h>
-
-void __init prom_init(void)
-{
- /* init mach type, does we need to init it?? */
- mips_machtype = PRID_IMP_LOONGSON2;
-
- /* init several base address */
- set_io_port_base((unsigned long)
- ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
-
- prom_init_cmdline();
- prom_init_memory();
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c
index e04ff30..00e95ad 100644
--- a/arch/mips/loongson/fuloong-2e/irq.c
+++ b/arch/mips/loongson/fuloong-2e/irq.c
@@ -24,57 +24,20 @@
*
*/
-#include <linux/delay.h>
#include <linux/interrupt.h>
-#include <asm/irq_cpu.h>
#include <asm/i8259.h>
#include <loongson.h>
#include <machine.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 = LOONGSON_INTISR;
- if (int_status & (1 << 10)) {
- while (int_status & (1 << 10)) {
- udelay(1);
- int_status = LOONGSON_INTISR;
- }
- }
-
- /* Get pending sources, masked by current enables */
- int_status = LOONGSON_INTISR & LOONGSON_INTEN;
-
- if (int_status != 0) {
- i = __ffs(int_status);
- int_status &= ~(1 << i);
- do_IRQ(LOONGSON_IRQ_BASE + i);
- }
-}
-
-static void i8259_irqdispatch(void)
+inline int mach_i8259_irq(void)
{
- int irq;
-
- irq = i8259_irq();
- if (irq >= 0)
- do_IRQ(irq);
- else
- spurious_interrupt();
+ return i8259_irq();
}
-asmlinkage void plat_irq_dispatch(void)
+inline void mach_irq_dispatch(unsigned int pending)
{
- unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
-
if (pending & CAUSEF_IP7)
do_IRQ(LOONGSON_TIMER_IRQ);
else if (pending & CAUSEF_IP5)
@@ -85,53 +48,9 @@ asmlinkage void plat_irq_dispatch(void)
spurious_interrupt();
}
-static struct irqaction cascade_irqaction = {
- .handler = no_action,
- .mask = CPU_MASK_NONE,
- .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 */
LOONGSON_INTEDGE = LOONGSON_ICU_SYSTEMERR | LOONGSON_ICU_MASTERERR |
LOONGSON_ICU_RETRYERR | LOONGSON_ICU_MBOXES;
- LOONGSON_INTSTEER = 0;
-
- /*
- * Mask out all interrupt by writing "1" to all bit position in
- * the interrupt reset reg.
- */
- LOONGSON_INTENCLR = ~0;
-
- /* init all controller
- * 0-15 ------> i8259 interrupt
- * 16-23 ------> mips cpu interrupt
- * 32-63 ------> bonito irq
- */
-
- /* Sets the first-level interrupt dispatcher. */
- mips_cpu_irq_init();
- init_i8259_irqs();
- bonito_irq_init();
-
- /*
- printk("GPIODATA=%x, GPIOIE=%x\n", LOONGSON_GPIODATA, LOONGSON_GPIOIE);
- printk("INTEN=%x, INTSET=%x, INTCLR=%x, INTISR=%x\n",
- LOONGSON_INTEN, LOONGSON_INTENSET,
- LOONGSON_INTENCLR, LOONGSON_INTISR);
- */
-
- /* bonito irq at IP2 */
- setup_irq(LOONGSON_NORTH_BRIDGE_IRQ, &cascade_irqaction);
- /* 8259 irq at IP5 */
- setup_irq(LOONGSON_SOUTH_BRIDGE_IRQ, &cascade_irqaction);
-
}
diff --git a/arch/mips/loongson/fuloong-2e/mem.c b/arch/mips/loongson/fuloong-2e/mem.c
deleted file mode 100644
index 7f6ee37..0000000
--- a/arch/mips/loongson/fuloong-2e/mem.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * 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/fs.h>
-#include <linux/mm.h>
-
-#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(LOONGSON_HIGHMEM_START,
- highmemsize << 20, BOOT_MEM_RAM);
- }
-#endif /* CONFIG_64BIT */
-}
-
-/* override of arch/mips/mm/cache.c: __uncached_access */
-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 >= LOONGSON_MMIO_MEM_START) && \
- (addr < LOONGSON_MMIO_MEM_END));
-}
diff --git a/arch/mips/loongson/fuloong-2e/misc.c b/arch/mips/loongson/fuloong-2e/misc.c
deleted file mode 100644
index 1b8044c..0000000
--- a/arch/mips/loongson/fuloong-2e/misc.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/* Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
- * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
- *
- * 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 <machine.h>
-
-const char *get_system_type(void)
-{
- return MACH_NAME;
-}
diff --git a/arch/mips/loongson/fuloong-2e/pci.c b/arch/mips/loongson/fuloong-2e/pci.c
deleted file mode 100644
index 89bc1af..0000000
--- a/arch/mips/loongson/fuloong-2e/pci.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * pci.c
- *
- * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-#include <linux/pci.h>
-
-#include <loongson.h>
-#include <pci.h>
-
-static struct resource loongson_pci_mem_resource = {
- .name = "LOONGSON PCI MEM",
- .start = LOONGSON_PCI_MEM_START,
- .end = LOONGSON_PCI_MEM_END,
- .flags = IORESOURCE_MEM,
-};
-
-static struct resource loongson_pci_io_resource = {
- .name = "LOONGSON PCI IO MEM",
- .start = LOONGSON_PCI_IO_START,
- .end = IO_SPACE_LIMIT,
- .flags = IORESOURCE_IO,
-};
-
-static struct pci_controller loongson_pci_controller = {
- .pci_ops = &loongson_pci_ops,
- .io_resource = &loongson_pci_io_resource,
- .mem_resource = &loongson_pci_mem_resource,
- .mem_offset = 0x00000000UL,
- .io_offset = 0x00000000UL,
-};
-
-static void __init ict_pcimap(void)
-{
- /*
- * local to PCI mapping for CPU accessing PCI space
- *
- * CPU address space [256M,448M] is window for accessing pci space
- * we set pcimap_lo[0,1,2] to map it to pci space[0M, 64M], [320M,448M]
- *
- * pcimap: PCI_MAP2 PCI_Mem_Lo2 PCI_Mem_Lo1 PCI_Mem_Lo0
- * [<2G] [384M,448M] [320M,384M] [0M,64M]
- */
- LOONGSON_PCIMAP = LOONGSON_PCIMAP_PCIMAP_2 |
- LOONGSON_PCIMAP_WIN(2, 0x18000000) |
- LOONGSON_PCIMAP_WIN(1, 0x14000000) |
- LOONGSON_PCIMAP_WIN(0, 0);
-
- /*
- * PCI-DMA to local mapping: [2G,2G+256M] -> [0M,256M]
- */
- LOONGSON_PCIBASE0 = 0x80000000ul; /* base: 2G -> mmap: 0M */
- /* size: 256M, burst transmission, pre-fetch enable, 64bit */
- LOONGSON_PCI_HIT0_SEL_L = 0xc000000cul;
- LOONGSON_PCI_HIT0_SEL_H = 0xfffffffful;
- LOONGSON_PCI_HIT1_SEL_L = 0x00000006ul; /* set this BAR as invalid */
- LOONGSON_PCI_HIT1_SEL_H = 0x00000000ul;
- LOONGSON_PCI_HIT2_SEL_L = 0x00000006ul; /* set this BAR as invalid */
- LOONGSON_PCI_HIT2_SEL_H = 0x00000000ul;
-
- /* avoid deadlock of PCI reading/writing lock operation */
- LOONGSON_PCI_ISR4C = 0xd2000001ul;
-
- /* can not change gnt to break pci transfer when device's gnt not
- deassert for some broken device */
- LOONGSON_PXARB_CFG = 0x00fe0105ul;
-}
-
-static int __init pcibios_init(void)
-{
- ict_pcimap();
-
- loongson_pci_controller.io_map_base = mips_io_port_base;
-
- register_pci_controller(&loongson_pci_controller);
-
- return 0;
-}
-
-arch_initcall(pcibios_init);
diff --git a/arch/mips/loongson/fuloong-2e/reset.c b/arch/mips/loongson/fuloong-2e/reset.c
index 87244a1..4ad0923 100644
--- a/arch/mips/loongson/fuloong-2e/reset.c
+++ b/arch/mips/loongson/fuloong-2e/reset.c
@@ -1,40 +1,26 @@
-/*
+/* Board-specific reboot/shutdown routines
+ * Copyright (c) 2009 Philippe Vachon <philippe@xxxxxxxxx>
+ *
+ * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
+ *
* 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@xxxxxxxxxx
- *
- * Copyright (c) 2009 Philippe Vachon <philippe@xxxxxxxxx>
- *
- * Copyright (c) 2009 Lemote, Inc. & Institute of Computing Technology
- * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
*/
-#include <linux/pm.h>
-#include <asm/reboot.h>
+#include <linux/delay.h>
+#include <linux/types.h>
+
#include <loongson.h>
-static void loongson_restart(char *command)
+void mach_prepare_reboot(void)
{
LOONGSON_GENCFG &= ~LOONGSON_GENCFG_CPUSELFRESET;
LOONGSON_GENCFG |= LOONGSON_GENCFG_CPUSELFRESET;
-
- /* reboot via jumping to 0xbfc00000 */
- ((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) ();
-}
-
-static void loongson_halt(void)
-{
- while (1)
- ;
}
-void loongson_reboot_setup(void)
+void mach_prepare_shutdown(void)
{
- _machine_restart = loongson_restart;
- _machine_halt = loongson_halt;
- pm_power_off = loongson_halt;
}
diff --git a/arch/mips/loongson/fuloong-2e/rtc.c b/arch/mips/loongson/fuloong-2e/rtc.c
deleted file mode 100644
index 469ada8..0000000
--- a/arch/mips/loongson/fuloong-2e/rtc.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Registration of Cobalt RTC platform device.
- *
- * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
- * Copyright (C) 2009 Wu Zhangjin <wuzj@xxxxxxxxxx>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/mc146818rtc.h>
-#include <linux/platform_device.h>
-
-static struct resource rtc_cmos_resource[] = {
- {
- .start = RTC_PORT(0),
- .end = RTC_PORT(1),
- .flags = IORESOURCE_IO,
- },
- {
- .start = RTC_IRQ,
- .end = RTC_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device rtc_cmos_device = {
- .name = "rtc_cmos",
- .id = -1,
- .num_resources = ARRAY_SIZE(rtc_cmos_resource),
- .resource = rtc_cmos_resource
-};
-
-static __init int rtc_cmos_init(void)
-{
- platform_device_register(&rtc_cmos_device);
-
- return 0;
-}
-
-device_initcall(rtc_cmos_init);
diff --git a/arch/mips/loongson/fuloong-2e/setup.c b/arch/mips/loongson/fuloong-2e/setup.c
deleted file mode 100644
index 4fcbe48..0000000
--- a/arch/mips/loongson/fuloong-2e/setup.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * board dependent setup routines
- *
- * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
- *
- * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
- * Author: Wu Zhangjin, wuzj@xxxxxxxxxx
- *
- * 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>
-
-void (*__wbflush) (void);
-EXPORT_SYMBOL(__wbflush);
-
-static void loongson_wbflush(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 loongson_wbflush_setup(void)
-{
- __wbflush = loongson_wbflush;
-}
-
-#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
-#include <linux/screen_info.h>
-
-void __init loongson_screeninfo_setup(void)
-{
- screen_info = (struct screen_info) {
- 0, /* orig-x */
- 25, /* orig-y */
- 0, /* unused */
- 0, /* orig-video-page */
- 0, /* orig-video-mode */
- 80, /* orig-video-cols */
- 0, /* ega_ax */
- 0, /* ega_bx */
- 0, /* ega_cx */
- 25, /* orig-video-lines */
- VIDEO_TYPE_VGAC, /* orig-video-isVGA */
- 16 /* orig-video-points */
- };
-}
-#else
-void __init loongson_screeninfo_setup(void)
-{
-}
-#endif
-
-void __init plat_mem_setup(void)
-{
- loongson_reboot_setup();
-
- loongson_wbflush_setup();
-
- loongson_screeninfo_setup();
-}
diff --git a/arch/mips/loongson/fuloong-2e/time.c b/arch/mips/loongson/fuloong-2e/time.c
deleted file mode 100644
index 231f0c2..0000000
--- a/arch/mips/loongson/fuloong-2e/time.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * board dependent boot routines
- *
- * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@xxxxxxxxxx
- *
- * 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 <asm/mc146818-time.h>
-#include <asm/time.h>
-
-#include <loongson.h>
-
-unsigned long read_persistent_clock(void)
-{
- return mc146818_get_cmos_time();
-}
-
-void __init plat_time_init(void)
-{
- /* setup mips r4k timer */
- mips_hpt_frequency = cpu_clock_freq / 2;
-}
--
1.6.2.1
