[MIPS] TXx9: Make single kernel can support multiple boards
Make single kernel can be used on RBTX4927/37/38. Also make
some SoC-specific code independent from board-specific code.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 2ea6fff..72baa1a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -550,66 +550,11 @@
Technology and now in turn merged with Fujitsu. Say Y here to
support this machine type.
-config TOSHIBA_JMR3927
- bool "Toshiba JMR-TX3927 board"
- select CEVT_TXX9
- select DMA_NONCOHERENT
- select HW_HAS_PCI
- select MIPS_TX3927
- select IRQ_TXX9
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_TX39XX
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_BIG_ENDIAN
- select GENERIC_HARDIRQS_NO__DO_IRQ
- select GPIO_TXX9
+config MACH_TX39XX
+ bool "Toshiba TX39 series based machines"
-config TOSHIBA_RBTX4927
- bool "Toshiba RBTX49[23]7 board"
- select CEVT_R4K
- select CSRC_R4K
- select CEVT_TXX9
- select DMA_NONCOHERENT
- select HAS_TXX9_SERIAL
- select HW_HAS_PCI
- select IRQ_CPU
- select IRQ_TXX9
- select PCI_TX4927
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_TX49XX
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_KGDB
- select GENERIC_HARDIRQS_NO__DO_IRQ
- help
- This Toshiba board is based on the TX4927 processor. Say Y here to
- support this machine type
-
-config TOSHIBA_RBTX4938
- bool "Toshiba RBTX4938 board"
- select CEVT_R4K
- select CSRC_R4K
- select CEVT_TXX9
- select DMA_NONCOHERENT
- select HAS_TXX9_SERIAL
- select HW_HAS_PCI
- select IRQ_CPU
- select IRQ_TXX9
- select PCI_TX4927
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_TX49XX
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_KGDB
- select GENERIC_HARDIRQS_NO__DO_IRQ
- select GPIO_TXX9
- help
- This Toshiba board is based on the TX4938 processor. Say Y here to
- support this machine type
+config MACH_TX49XX
+ bool "Toshiba TX49 series based machines"
config WR_PPMC
bool "Wind River PPMC board"
@@ -887,10 +832,6 @@
config NO_EXCEPT_FILL
bool
-config MIPS_TX3927
- bool
- select HAS_TXX9_SERIAL
-
config MIPS_RM9122
bool
select SERIAL_RM9000
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 8e1e49c..d319cd6 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -551,29 +551,30 @@
all-$(CONFIG_SNI_RM) := vmlinux.ecoff
#
+# Common TXx9
+#
+core-$(CONFIG_MACH_TX39XX) += arch/mips/txx9/generic/
+cflags-$(CONFIG_MACH_TX39XX) += -Iinclude/asm-mips/mach-jmr3927
+load-$(CONFIG_MACH_TX39XX) += 0xffffffff80050000
+core-$(CONFIG_MACH_TX49XX) += arch/mips/txx9/generic/
+cflags-$(CONFIG_MACH_TX49XX) += -Iinclude/asm-mips/mach-tx49xx
+load-$(CONFIG_MACH_TX49XX) += 0xffffffff80100000
+
+#
# Toshiba JMR-TX3927 board
#
-core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/txx9/jmr3927/ \
- arch/mips/txx9/generic/
-cflags-$(CONFIG_TOSHIBA_JMR3927) += -Iinclude/asm-mips/mach-jmr3927
-load-$(CONFIG_TOSHIBA_JMR3927) += 0xffffffff80050000
+core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/txx9/jmr3927/
#
# Toshiba RBTX4927 board or
# Toshiba RBTX4937 board
#
core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/rbtx4927/
-core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/generic/
-cflags-$(CONFIG_TOSHIBA_RBTX4927) += -Iinclude/asm-mips/mach-tx49xx
-load-$(CONFIG_TOSHIBA_RBTX4927) += 0xffffffff80020000
#
# Toshiba RBTX4938 board
#
core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/
-core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/generic/
-cflags-$(CONFIG_TOSHIBA_RBTX4938) += -Iinclude/asm-mips/mach-tx49xx
-load-$(CONFIG_TOSHIBA_RBTX4938) += 0xffffffff80100000
cflags-y += -Iinclude/asm-mips/mach-generic
drivers-$(CONFIG_PCI) += arch/mips/pci/
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 9087648..875b643 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -11,11 +11,10 @@
obj-$(CONFIG_PCI_GT64XXX_PCI0) += ops-gt64xxx_pci0.o
obj-$(CONFIG_MIPS_MSC) += ops-msc.o
obj-$(CONFIG_MIPS_NILE4) += ops-nile4.o
-obj-$(CONFIG_MIPS_TX3927) += ops-tx3927.o
+obj-$(CONFIG_SOC_TX3927) += ops-tx3927.o
obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o
obj-$(CONFIG_NEC_CMBVR4133) += fixup-vr4133.o
obj-$(CONFIG_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
-obj-$(CONFIG_PCI_TX3927) += ops-tx3927.o
obj-$(CONFIG_PCI_TX4927) += ops-tx4927.o
#
@@ -44,8 +43,10 @@
obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o
obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o
obj-$(CONFIG_TOSHIBA_JMR3927) += fixup-jmr3927.o
-obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o pci-tx4927.o pci-tx4938.o
-obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-rbtx4938.o pci-tx4938.o
+obj-$(CONFIG_SOC_TX4927) += pci-tx4927.o
+obj-$(CONFIG_SOC_TX4938) += pci-tx4938.o
+obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o
+obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-rbtx4938.o
obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o
obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
diff --git a/arch/mips/pci/fixup-jmr3927.c b/arch/mips/pci/fixup-jmr3927.c
index d5edaf2..0f10695 100644
--- a/arch/mips/pci/fixup-jmr3927.c
+++ b/arch/mips/pci/fixup-jmr3927.c
@@ -31,7 +31,7 @@
#include <asm/txx9/pci.h>
#include <asm/txx9/jmr3927.h>
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+int __init jmr3927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
unsigned char irq = pin;
@@ -77,9 +77,3 @@
irq = JMR3927_IRQ_ETHER0;
return irq;
}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
diff --git a/arch/mips/pci/fixup-rbtx4927.c b/arch/mips/pci/fixup-rbtx4927.c
index abab485..321db26 100644
--- a/arch/mips/pci/fixup-rbtx4927.c
+++ b/arch/mips/pci/fixup-rbtx4927.c
@@ -36,7 +36,7 @@
#include <asm/txx9/pci.h>
#include <asm/txx9/rbtx4927.h>
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+int __init rbtx4927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
unsigned char irq = pin;
@@ -71,9 +71,3 @@
}
return irq;
}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
diff --git a/arch/mips/pci/fixup-rbtx4938.c b/arch/mips/pci/fixup-rbtx4938.c
index 39c9958..a80579a 100644
--- a/arch/mips/pci/fixup-rbtx4938.c
+++ b/arch/mips/pci/fixup-rbtx4938.c
@@ -13,7 +13,7 @@
#include <asm/txx9/pci.h>
#include <asm/txx9/rbtx4938.h>
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+int __init rbtx4938_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
int irq = tx4938_pcic1_map_irq(dev, slot);
@@ -51,12 +51,3 @@
}
return irq;
}
-
-/*
- * Do platform specific device initialization at pci_enable_device() time
- */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
-
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index b8cdb19..b92a134 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -1,11 +1,89 @@
+config TOSHIBA_JMR3927
+ bool "Toshiba JMR-TX3927 board"
+ depends on MACH_TX39XX
+ select SOC_TX3927
+
+config TOSHIBA_RBTX4927
+ bool "Toshiba RBTX49[23]7 board"
+ depends on MACH_TX49XX
+ select SOC_TX4927
+ help
+ This Toshiba board is based on the TX4927 processor. Say Y here to
+ support this machine type
+
+config TOSHIBA_RBTX4938
+ bool "Toshiba RBTX4938 board"
+ depends on MACH_TX49XX
+ select SOC_TX4938
+ help
+ This Toshiba board is based on the TX4938 processor. Say Y here to
+ support this machine type
+
+config SOC_TX3927
+ bool
+ select CEVT_TXX9
+ select DMA_NONCOHERENT
+ select HAS_TXX9_SERIAL
+ select HW_HAS_PCI
+ select IRQ_TXX9
+ select SWAP_IO_SPACE
+ select SYS_HAS_CPU_TX39XX
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select GENERIC_HARDIRQS_NO__DO_IRQ
+ select GPIO_TXX9
+
+config SOC_TX4927
+ bool
+ select CEVT_R4K
+ select CSRC_R4K
+ select CEVT_TXX9
+ select DMA_NONCOHERENT
+ select HAS_TXX9_SERIAL
+ select HW_HAS_PCI
+ select IRQ_CPU
+ select IRQ_TXX9
+ select PCI_TX4927
+ select SWAP_IO_SPACE
+ select SYS_HAS_CPU_TX49XX
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_KGDB
+ select GENERIC_HARDIRQS_NO__DO_IRQ
+ select GPIO_TXX9
+
+config SOC_TX4938
+ bool
+ select CEVT_R4K
+ select CSRC_R4K
+ select CEVT_TXX9
+ select DMA_NONCOHERENT
+ select HAS_TXX9_SERIAL
+ select HW_HAS_PCI
+ select IRQ_CPU
+ select IRQ_TXX9
+ select PCI_TX4927
+ select SWAP_IO_SPACE
+ select SYS_HAS_CPU_TX49XX
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_KGDB
+ select GENERIC_HARDIRQS_NO__DO_IRQ
+ select GPIO_TXX9
+
config TOSHIBA_FPCIB0
bool "FPCIB0 Backplane Support"
- depends on PCI && (SYS_HAS_CPU_TX49XX || SYS_HAS_CPU_TX39XX)
+ depends on PCI && (MACH_TX39XX || MACH_TX49XX)
select I8259
config PICMG_PCI_BACKPLANE_DEFAULT
bool "Support for PICMG PCI Backplane"
- depends on PCI && (SYS_HAS_CPU_TX49XX || SYS_HAS_CPU_TX39XX)
+ depends on PCI && (MACH_TX39XX || MACH_TX49XX)
default y if !TOSHIBA_FPCIB0
if TOSHIBA_RBTX4938
diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile
index b80b6e0..668fdaa 100644
--- a/arch/mips/txx9/generic/Makefile
+++ b/arch/mips/txx9/generic/Makefile
@@ -4,8 +4,8 @@
obj-y += setup.o
obj-$(CONFIG_PCI) += pci.o
-obj-$(CONFIG_TOSHIBA_RBTX4927) += mem_tx4927.o irq_tx4927.o
-obj-$(CONFIG_TOSHIBA_RBTX4938) += mem_tx4938.o irq_tx4938.o
+obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o irq_tx4927.o
+obj-$(CONFIG_SOC_TX4938) += mem_tx4938.o irq_tx4938.o
obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o
obj-$(CONFIG_KGDB) += dbgio.o
diff --git a/arch/mips/txx9/generic/irq_tx4927.c b/arch/mips/txx9/generic/irq_tx4927.c
index 685ecc2..6377bd8 100644
--- a/arch/mips/txx9/generic/irq_tx4927.c
+++ b/arch/mips/txx9/generic/irq_tx4927.c
@@ -26,39 +26,12 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-#ifdef CONFIG_TOSHIBA_RBTX4927
-#include <asm/txx9/rbtx4927.h>
-#endif
+#include <asm/txx9/tx4927.h>
void __init tx4927_irq_init(void)
{
mips_cpu_irq_init();
txx9_irq_init(TX4927_IRC_REG);
- set_irq_chained_handler(TX4927_IRQ_NEST_PIC_ON_CP0, handle_simple_irq);
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
-
- if (pending & STATUSF_IP7) /* cpu timer */
- do_IRQ(TX4927_IRQ_CPU_TIMER);
- else if (pending & STATUSF_IP2) { /* tx4927 pic */
- int irq = txx9_irq();
-#ifdef CONFIG_TOSHIBA_RBTX4927
- if (irq == TX4927_IRQ_NEST_EXT_ON_PIC)
- irq = toshiba_rbtx4927_irq_nested(irq);
-#endif
- if (unlikely(irq < 0)) {
- spurious_interrupt();
- return;
- }
- do_IRQ(irq);
- } else if (pending & STATUSF_IP0) /* user line 0 */
- do_IRQ(TX4927_IRQ_USER0);
- else if (pending & STATUSF_IP1) /* user line 1 */
- do_IRQ(TX4927_IRQ_USER1);
- else
- spurious_interrupt();
+ set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT,
+ handle_simple_irq);
}
diff --git a/arch/mips/txx9/generic/irq_tx4938.c b/arch/mips/txx9/generic/irq_tx4938.c
index 0886d91..5fc86c9 100644
--- a/arch/mips/txx9/generic/irq_tx4938.c
+++ b/arch/mips/txx9/generic/irq_tx4938.c
@@ -14,35 +14,12 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-#include <asm/txx9/rbtx4938.h>
+#include <asm/txx9/tx4938.h>
-void __init
-tx4938_irq_init(void)
+void __init tx4938_irq_init(void)
{
mips_cpu_irq_init();
txx9_irq_init(TX4938_IRC_REG);
- set_irq_chained_handler(TX4938_IRQ_NEST_PIC_ON_CP0, handle_simple_irq);
-}
-
-int toshiba_rbtx4938_irq_nested(int irq);
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending = read_c0_cause() & read_c0_status();
-
- if (pending & STATUSF_IP7)
- do_IRQ(TX4938_IRQ_CPU_TIMER);
- else if (pending & STATUSF_IP2) {
- int irq = txx9_irq();
- if (irq == TX4938_IRQ_PIC_BEG + TX4938_IR_INT(0))
- irq = toshiba_rbtx4938_irq_nested(irq);
- if (irq >= 0)
- do_IRQ(irq);
- else
- spurious_interrupt();
- } else if (pending & STATUSF_IP1)
- do_IRQ(TX4938_IRQ_USER1);
- else if (pending & STATUSF_IP0)
- do_IRQ(TX4938_IRQ_USER0);
+ set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT,
+ handle_simple_irq);
}
diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c
index 8173faa..0b92d8c 100644
--- a/arch/mips/txx9/generic/pci.c
+++ b/arch/mips/txx9/generic/pci.c
@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/io.h>
+#include <asm/txx9/generic.h>
#include <asm/txx9/pci.h>
#ifdef CONFIG_TOSHIBA_FPCIB0
#include <linux/interrupt.h>
@@ -375,3 +376,13 @@
#endif
DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, final_fixup);
DECLARE_PCI_FIXUP_RESUME(PCI_ANY_ID, PCI_ANY_ID, final_fixup);
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ return txx9_board_vec->pci_map_irq(dev, slot, pin);
+}
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 46a6311..66ff74f 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -14,7 +14,16 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/string.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <asm/bootinfo.h>
#include <asm/txx9/generic.h>
+#ifdef CONFIG_CPU_TX49XX
+#include <asm/txx9/tx4938.h>
+#endif
/* EBUSC settings of TX4927, etc. */
struct resource txx9_ce_res[8];
@@ -49,3 +58,163 @@
unsigned int txx9_master_clock;
unsigned int txx9_cpu_clock;
unsigned int txx9_gbus_clock;
+
+
+/* Minimum CLK support */
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ if (!strcmp(id, "spi-baseclk"))
+ return (struct clk *)(txx9_gbus_clock / 2 / 4);
+ if (!strcmp(id, "imbus_clk"))
+ return (struct clk *)(txx9_gbus_clock / 2);
+ return ERR_PTR(-ENOENT);
+}
+EXPORT_SYMBOL(clk_get);
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return (unsigned long)clk;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+void clk_put(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_put);
+
+extern struct txx9_board_vec jmr3927_vec;
+extern struct txx9_board_vec rbtx4927_vec;
+extern struct txx9_board_vec rbtx4937_vec;
+extern struct txx9_board_vec rbtx4938_vec;
+
+/* board definitions */
+static struct txx9_board_vec *board_vecs[] __initdata = {
+#ifdef CONFIG_TOSHIBA_JMR3927
+ &jmr3927_vec,
+#endif
+#ifdef CONFIG_TOSHIBA_RBTX4927
+ &rbtx4927_vec,
+ &rbtx4937_vec,
+#endif
+#ifdef CONFIG_TOSHIBA_RBTX4938
+ &rbtx4938_vec,
+#endif
+};
+struct txx9_board_vec *txx9_board_vec __initdata;
+static char txx9_system_type[32];
+
+void __init prom_init_cmdline(void)
+{
+ int argc = (int)fw_arg0;
+ char **argv = (char **)fw_arg1;
+ int i; /* Always ignore the "-c" at argv[0] */
+
+ /* ignore all built-in args if any f/w args given */
+ if (argc > 1)
+ *arcs_cmdline = '\0';
+
+ for (i = 1; i < argc; i++) {
+ if (i != 1)
+ strcat(arcs_cmdline, " ");
+ strcat(arcs_cmdline, argv[i]);
+ }
+}
+
+void __init prom_init(void)
+{
+ int i;
+
+#ifdef CONFIG_CPU_TX39XX
+ mips_machtype = MACH_TOSHIBA_JMR3927;
+#endif
+#ifdef CONFIG_CPU_TX49XX
+ switch (TX4938_REV_PCODE()) {
+ case 0x4927:
+ mips_machtype = MACH_TOSHIBA_RBTX4927;
+ break;
+ case 0x4937:
+ mips_machtype = MACH_TOSHIBA_RBTX4937;
+ break;
+ case 0x4938:
+ mips_machtype = MACH_TOSHIBA_RBTX4938;
+ break;
+ }
+#endif
+ for (i = 0; i < ARRAY_SIZE(board_vecs); i++) {
+ if (board_vecs[i]->type == mips_machtype) {
+ txx9_board_vec = board_vecs[i];
+ strcpy(txx9_system_type, txx9_board_vec->system);
+ return txx9_board_vec->prom_init();
+ }
+ }
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+const char *get_system_type(void)
+{
+ return txx9_system_type;
+}
+
+char * __init prom_getcmdline(void)
+{
+ return &(arcs_cmdline[0]);
+}
+
+/* wrappers */
+void __init plat_mem_setup(void)
+{
+ txx9_board_vec->mem_setup();
+}
+
+void __init arch_init_irq(void)
+{
+ txx9_board_vec->irq_setup();
+}
+
+void __init plat_time_init(void)
+{
+ txx9_board_vec->time_init();
+}
+
+static int __init _txx9_arch_init(void)
+{
+ if (txx9_board_vec->arch_init)
+ txx9_board_vec->arch_init();
+ return 0;
+}
+arch_initcall(_txx9_arch_init);
+
+static int __init _txx9_device_init(void)
+{
+ if (txx9_board_vec->device_init)
+ txx9_board_vec->device_init();
+ return 0;
+}
+device_initcall(_txx9_device_init);
+
+int (*txx9_irq_dispatch)(int pending);
+asmlinkage void plat_irq_dispatch(void)
+{
+ int pending = read_c0_status() & read_c0_cause() & ST0_IM;
+ int irq = txx9_irq_dispatch(pending);
+
+ if (likely(irq >= 0))
+ do_IRQ(irq);
+ else
+ spurious_interrupt();
+}
diff --git a/arch/mips/txx9/jmr3927/Makefile b/arch/mips/txx9/jmr3927/Makefile
index 5f83ea3..ba292c9 100644
--- a/arch/mips/txx9/jmr3927/Makefile
+++ b/arch/mips/txx9/jmr3927/Makefile
@@ -2,7 +2,7 @@
# Makefile for TOSHIBA JMR-TX3927 board
#
-obj-y += prom.o init.o irq.o setup.o
+obj-y += prom.o irq.o setup.o
obj-$(CONFIG_KGDB) += kgdb_io.o
EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/txx9/jmr3927/init.c b/arch/mips/txx9/jmr3927/init.c
deleted file mode 100644
index 1bbb534..0000000
--- a/arch/mips/txx9/jmr3927/init.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
- *
- * arch/mips/jmr3927/common/init.c
- *
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 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/init.h>
-#include <asm/bootinfo.h>
-#include <asm/txx9/jmr3927.h>
-
-extern void __init prom_init_cmdline(void);
-
-const char *get_system_type(void)
-{
- return "Toshiba"
-#ifdef CONFIG_TOSHIBA_JMR3927
- " JMR_TX3927"
-#endif
- ;
-}
-
-extern void puts(const char *cp);
-
-void __init prom_init(void)
-{
-#ifdef CONFIG_TOSHIBA_JMR3927
- /* CCFG */
- if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
- puts("Warning: TX3927 TLB off\n");
-#endif
-
- prom_init_cmdline();
- add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
-}
diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c
index b97d22e..070c9a1 100644
--- a/arch/mips/txx9/jmr3927/irq.c
+++ b/arch/mips/txx9/jmr3927/irq.c
@@ -39,6 +39,7 @@
#include <asm/system.h>
#include <asm/processor.h>
+#include <asm/txx9/generic.h>
#include <asm/txx9/jmr3927.h>
#if JMR3927_IRQ_END > NR_IRQS
@@ -77,37 +78,30 @@
(void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR);
}
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned long cp0_cause = read_c0_cause();
- int irq;
-
- if ((cp0_cause & CAUSEF_IP7) == 0)
- return;
- irq = (cp0_cause >> CAUSEB_IP2) & 0x0f;
-
- do_IRQ(irq + JMR3927_IRQ_IRC);
-}
-
-static irqreturn_t jmr3927_ioc_interrupt(int irq, void *dev_id)
+static int jmr3927_ioc_irqroute(void)
{
unsigned char istat = jmr3927_ioc_reg_in(JMR3927_IOC_INTS2_ADDR);
int i;
for (i = 0; i < JMR3927_NR_IRQ_IOC; i++) {
- if (istat & (1 << i)) {
- irq = JMR3927_IRQ_IOC + i;
- do_IRQ(irq);
- }
+ if (istat & (1 << i))
+ return JMR3927_IRQ_IOC + i;
}
- return IRQ_HANDLED;
+ return -1;
}
-static struct irqaction ioc_action = {
- .handler = jmr3927_ioc_interrupt,
- .mask = CPU_MASK_NONE,
- .name = "IOC",
-};
+static int jmr3927_irq_dispatch(int pending)
+{
+ int irq;
+
+ if ((pending & CAUSEF_IP7) == 0)
+ return -1;
+ irq = (pending >> CAUSEB_IP2) & 0x0f;
+ irq += JMR3927_IRQ_IRC;
+ if (irq == JMR3927_IRQ_IOCINT)
+ irq = jmr3927_ioc_irqroute();
+ return irq;
+}
#ifdef CONFIG_PCI
static irqreturn_t jmr3927_pcierr_interrupt(int irq, void *dev_id)
@@ -127,8 +121,9 @@
static void __init jmr3927_irq_init(void);
-void __init arch_init_irq(void)
+void __init jmr3927_irq_setup(void)
{
+ txx9_irq_dispatch = jmr3927_irq_dispatch;
/* Now, interrupt control disabled, */
/* all IRC interrupts are masked, */
/* all IRC interrupt mode are Low Active. */
@@ -146,7 +141,7 @@
jmr3927_irq_init();
/* setup IOC interrupt 1 (PCI, MODEM) */
- setup_irq(JMR3927_IRQ_IOCINT, &ioc_action);
+ set_irq_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq);
#ifdef CONFIG_PCI
setup_irq(JMR3927_IRQ_IRC_PCI, &pcierr_action);
diff --git a/arch/mips/txx9/jmr3927/prom.c b/arch/mips/txx9/jmr3927/prom.c
index 8bc1049..2cadb42 100644
--- a/arch/mips/txx9/jmr3927/prom.c
+++ b/arch/mips/txx9/jmr3927/prom.c
@@ -35,42 +35,10 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/string.h>
-
#include <asm/bootinfo.h>
-#include <asm/txx9/tx3927.h>
-
-char * __init prom_getcmdline(void)
-{
- return &(arcs_cmdline[0]);
-}
-
-void __init prom_init_cmdline(void)
-{
- char *cp;
- int actr;
- int prom_argc = fw_arg0;
- char **prom_argv = (char **) fw_arg1;
-
- actr = 1; /* Always ignore argv[0] */
-
- cp = &(arcs_cmdline[0]);
- while(actr < prom_argc) {
- strcpy(cp, prom_argv[actr]);
- cp += strlen(prom_argv[actr]);
- *cp++ = ' ';
- actr++;
- }
- if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
- --cp;
- *cp = '\0';
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
+#include <asm/txx9/generic.h>
+#include <asm/txx9/jmr3927.h>
#define TIMEOUT 0xffffff
@@ -96,3 +64,13 @@
prom_putchar('\r');
prom_putchar('\n');
}
+
+void __init jmr3927_prom_init(void)
+{
+ /* CCFG */
+ if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
+ puts("Warning: TX3927 TLB off\n");
+
+ prom_init_cmdline();
+ add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
+}
diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c
index baa8c8d..128a4ae 100644
--- a/arch/mips/txx9/jmr3927/setup.c
+++ b/arch/mips/txx9/jmr3927/setup.c
@@ -34,15 +34,16 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
-#include <linux/clk.h>
#include <linux/gpio.h>
#ifdef CONFIG_SERIAL_TXX9
#include <linux/serial_core.h>
#endif
+#include <asm/bootinfo.h>
#include <asm/txx9tmr.h>
#include <asm/txx9pio.h>
#include <asm/reboot.h>
+#include <asm/txx9/generic.h>
#include <asm/txx9/pci.h>
#include <asm/txx9/jmr3927.h>
#include <asm/mipsregs.h>
@@ -83,7 +84,7 @@
while (1);
}
-void __init plat_time_init(void)
+static void __init jmr3927_time_init(void)
{
txx9_clockevent_init(TX3927_TMR_REG(0),
TXX9_IRQ_BASE + JMR3927_IRQ_IRC_TMR(0),
@@ -97,7 +98,7 @@
extern char * __init prom_getcmdline(void);
static void jmr3927_board_init(void);
-void __init plat_mem_setup(void)
+static void __init jmr3927_mem_setup(void)
{
char *argptr;
@@ -233,6 +234,8 @@
{
int i;
+ txx9_cpu_clock = JMR3927_CORECLK;
+ txx9_gbus_clock = JMR3927_GBUSCLK;
/* SDRAMC are configured by PROM */
/* ROMC */
@@ -336,7 +339,6 @@
dev = platform_device_register_simple("rtc-ds1742", -1, &res, 1);
return IS_ERR(dev) ? PTR_ERR(dev) : 0;
}
-device_initcall(jmr3927_rtc_init);
/* Watchdog support */
@@ -356,36 +358,22 @@
{
return txx9_wdt_init(TX3927_TMR_REG(2));
}
-device_initcall(jmr3927_wdt_init);
-/* Minimum CLK support */
-
-struct clk *clk_get(struct device *dev, const char *id)
+static void __init jmr3927_device_init(void)
{
- if (!strcmp(id, "imbus_clk"))
- return (struct clk *)JMR3927_IMCLK;
- return ERR_PTR(-ENOENT);
+ jmr3927_rtc_init();
+ jmr3927_wdt_init();
}
-EXPORT_SYMBOL(clk_get);
-int clk_enable(struct clk *clk)
-{
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return (unsigned long)clk;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
+struct txx9_board_vec jmr3927_vec __initdata = {
+ .type = MACH_TOSHIBA_JMR3927,
+ .system = "Toshiba JMR_TX3927",
+ .prom_init = jmr3927_prom_init,
+ .mem_setup = jmr3927_mem_setup,
+ .irq_setup = jmr3927_irq_setup,
+ .time_init = jmr3927_time_init,
+ .device_init = jmr3927_device_init,
+#ifdef CONFIG_PCI
+ .pci_map_irq = jmr3927_pci_map_irq,
+#endif
+};
diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c
index bef1447..70f1321 100644
--- a/arch/mips/txx9/rbtx4927/irq.c
+++ b/arch/mips/txx9/rbtx4927/irq.c
@@ -111,17 +111,10 @@
#include <linux/types.h>
#include <linux/interrupt.h>
#include <asm/io.h>
+#include <asm/mipsregs.h>
+#include <asm/txx9/generic.h>
#include <asm/txx9/rbtx4927.h>
-#define TOSHIBA_RBTX4927_IRQ_IOC_RAW_BEG 0
-#define TOSHIBA_RBTX4927_IRQ_IOC_RAW_END 7
-
-#define TOSHIBA_RBTX4927_IRQ_IOC_BEG ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_BEG) /* 56 */
-#define TOSHIBA_RBTX4927_IRQ_IOC_END ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_END) /* 63 */
-
-#define TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC TX4927_IRQ_NEST_EXT_ON_PIC
-#define TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC (TOSHIBA_RBTX4927_IRQ_IOC_BEG+2)
-
static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq);
static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq);
@@ -136,34 +129,25 @@
#define TOSHIBA_RBTX4927_IOC_INTR_ENAB (void __iomem *)0xbc002000UL
#define TOSHIBA_RBTX4927_IOC_INTR_STAT (void __iomem *)0xbc002006UL
-int toshiba_rbtx4927_irq_nested(int sw_irq)
+static int toshiba_rbtx4927_irq_nested(int sw_irq)
{
u8 level3;
level3 = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
if (level3)
- sw_irq = TOSHIBA_RBTX4927_IRQ_IOC_BEG + fls(level3) - 1;
+ sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1;
return (sw_irq);
}
-static struct irqaction toshiba_rbtx4927_irq_ioc_action = {
- .handler = no_action,
- .flags = IRQF_SHARED,
- .mask = CPU_MASK_NONE,
- .name = TOSHIBA_RBTX4927_IOC_NAME
-};
-
static void __init toshiba_rbtx4927_irq_ioc_init(void)
{
int i;
- for (i = TOSHIBA_RBTX4927_IRQ_IOC_BEG;
- i <= TOSHIBA_RBTX4927_IRQ_IOC_END; i++)
+ for (i = RBTX4927_IRQ_IOC;
+ i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++)
set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type,
handle_level_irq);
-
- setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC,
- &toshiba_rbtx4927_irq_ioc_action);
+ set_irq_chained_handler(RBTX4927_IRQ_IOCINT, handle_simple_irq);
}
static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq)
@@ -171,7 +155,7 @@
unsigned char v;
v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
- v |= (1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
+ v |= (1 << (irq - RBTX4927_IRQ_IOC));
writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
}
@@ -180,15 +164,34 @@
unsigned char v;
v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
- v &= ~(1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
+ v &= ~(1 << (irq - RBTX4927_IRQ_IOC));
writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
mmiowb();
}
-void __init arch_init_irq(void)
-{
- extern void tx4927_irq_init(void);
+static int rbtx4927_irq_dispatch(int pending)
+{
+ int irq;
+
+ if (pending & STATUSF_IP7) /* cpu timer */
+ irq = MIPS_CPU_IRQ_BASE + 7;
+ else if (pending & STATUSF_IP2) { /* tx4927 pic */
+ irq = txx9_irq();
+ if (irq == RBTX4927_IRQ_IOCINT)
+ irq = toshiba_rbtx4927_irq_nested(irq);
+ } else if (pending & STATUSF_IP0) /* user line 0 */
+ irq = MIPS_CPU_IRQ_BASE + 0;
+ else if (pending & STATUSF_IP1) /* user line 1 */
+ irq = MIPS_CPU_IRQ_BASE + 1;
+ else
+ irq = -1;
+ return irq;
+}
+
+void __init rbtx4927_irq_setup(void)
+{
+ txx9_irq_dispatch = rbtx4927_irq_dispatch;
tx4927_irq_init();
toshiba_rbtx4927_irq_ioc_init();
/* Onboard 10M Ether: High Active */
diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c
index 0020bbe..942e627 100644
--- a/arch/mips/txx9/rbtx4927/prom.c
+++ b/arch/mips/txx9/rbtx4927/prom.c
@@ -30,62 +30,16 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
-#include <linux/string.h>
#include <asm/bootinfo.h>
-#include <asm/cpu.h>
-#include <asm/mipsregs.h>
-#include <asm/txx9/tx4927.h>
+#include <asm/txx9/generic.h>
+#include <asm/txx9/rbtx4927.h>
-void __init prom_init_cmdline(void)
-{
- int argc = (int) fw_arg0;
- char **argv = (char **) fw_arg1;
- int i; /* Always ignore the "-c" at argv[0] */
-
- /* ignore all built-in args if any f/w args given */
- if (argc > 1) {
- *arcs_cmdline = '\0';
- }
-
- for (i = 1; i < argc; i++) {
- if (i != 1) {
- strcat(arcs_cmdline, " ");
- }
- strcat(arcs_cmdline, argv[i]);
- }
-}
-
-void __init prom_init(void)
+void __init rbtx4927_prom_init(void)
{
extern int tx4927_get_mem_size(void);
- extern char* toshiba_name;
int msize;
prom_init_cmdline();
-
- if ((read_c0_prid() & 0xff) == PRID_REV_TX4927) {
- mips_machtype = MACH_TOSHIBA_RBTX4927;
- toshiba_name = "TX4927";
- } else {
- mips_machtype = MACH_TOSHIBA_RBTX4937;
- toshiba_name = "TX4937";
- }
-
msize = tx4927_get_mem_size();
add_memory_region(0, msize << 20, BOOT_MEM_RAM);
}
-
-void __init prom_free_prom_memory(void)
-{
-}
-
-const char *get_system_type(void)
-{
- return "Toshiba RBTX4927/RBTX4937";
-}
-
-char * __init prom_getcmdline(void)
-{
- return &(arcs_cmdline[0]);
-}
-
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 86b870a..c3566c3 100644
--- a/arch/mips/txx9/rbtx4927/setup.c
+++ b/arch/mips/txx9/rbtx4927/setup.c
@@ -49,7 +49,6 @@
#include <linux/interrupt.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
-#include <linux/clk.h>
#include <linux/delay.h>
#include <asm/bootinfo.h>
@@ -76,8 +75,6 @@
static int tx4927_ccfg_toeon = 1;
-char *toshiba_name = "";
-
#ifdef CONFIG_PCI
static void __init tx4927_pci_setup(void)
{
@@ -171,15 +168,15 @@
}
}
-static int __init rbtx4927_arch_init(void)
+static void __init rbtx4927_arch_init(void)
{
if (mips_machtype == MACH_TOSHIBA_RBTX4937)
tx4937_pci_setup();
else
tx4927_pci_setup();
- return 0;
}
-arch_initcall(rbtx4927_arch_init);
+#else
+#define rbtx4927_arch_init NULL
#endif /* CONFIG_PCI */
static void __noreturn wait_forever(void)
@@ -223,14 +220,12 @@
/* no return */
}
-void __init plat_mem_setup(void)
+static void __init rbtx4927_mem_setup(void)
{
int i;
u32 cp0_config;
char *argptr;
- printk("CPU is %s\n", toshiba_name);
-
/* f/w leaves this on at startup */
clear_c0_status(ST0_ERL);
@@ -323,7 +318,7 @@
req.iotype = UPIO_MEM;
req.membase = (char *)(0xff1ff300 + i * 0x100);
req.mapbase = 0xff1ff300 + i * 0x100;
- req.irq = TX4927_IRQ_PIC_BEG + 8 + i;
+ req.irq = TXX9_IRQ_BASE + TX4927_IR_SIO(i);
req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
req.uartclk = 50000000;
early_serial_txx9_setup(&req);
@@ -352,7 +347,7 @@
#endif
}
-void __init plat_time_init(void)
+static void __init rbtx4927_time_init(void)
{
mips_hpt_frequency = txx9_cpu_clock / 2;
if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_TINTDIS)
@@ -372,7 +367,6 @@
platform_device_register_simple("rtc-ds1742", -1, &res, 1);
return IS_ERR(dev) ? PTR_ERR(dev) : 0;
}
-device_initcall(toshiba_rbtx4927_rtc_init);
static int __init rbtx4927_ne_init(void)
{
@@ -391,7 +385,6 @@
res, ARRAY_SIZE(res));
return IS_ERR(dev) ? PTR_ERR(dev) : 0;
}
-device_initcall(rbtx4927_ne_init);
/* Watchdog support */
@@ -411,36 +404,37 @@
{
return txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL);
}
-device_initcall(rbtx4927_wdt_init);
-/* Minimum CLK support */
-
-struct clk *clk_get(struct device *dev, const char *id)
+static void __init rbtx4927_device_init(void)
{
- if (!strcmp(id, "imbus_clk"))
- return (struct clk *)50000000;
- return ERR_PTR(-ENOENT);
+ toshiba_rbtx4927_rtc_init();
+ rbtx4927_ne_init();
+ rbtx4927_wdt_init();
}
-EXPORT_SYMBOL(clk_get);
-int clk_enable(struct clk *clk)
-{
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return (unsigned long)clk;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
+struct txx9_board_vec rbtx4927_vec __initdata = {
+ .type = MACH_TOSHIBA_RBTX4927,
+ .system = "Toshiba RBTX4927",
+ .prom_init = rbtx4927_prom_init,
+ .mem_setup = rbtx4927_mem_setup,
+ .irq_setup = rbtx4927_irq_setup,
+ .time_init = rbtx4927_time_init,
+ .device_init = rbtx4927_device_init,
+ .arch_init = rbtx4927_arch_init,
+#ifdef CONFIG_PCI
+ .pci_map_irq = rbtx4927_pci_map_irq,
+#endif
+};
+struct txx9_board_vec rbtx4937_vec __initdata = {
+ .type = MACH_TOSHIBA_RBTX4937,
+ .system = "Toshiba RBTX4937",
+ .prom_init = rbtx4927_prom_init,
+ .mem_setup = rbtx4927_mem_setup,
+ .irq_setup = rbtx4927_irq_setup,
+ .time_init = rbtx4927_time_init,
+ .device_init = rbtx4927_device_init,
+ .arch_init = rbtx4927_arch_init,
+#ifdef CONFIG_PCI
+ .pci_map_irq = rbtx4927_pci_map_irq,
+#endif
+};
diff --git a/arch/mips/txx9/rbtx4938/irq.c b/arch/mips/txx9/rbtx4938/irq.c
index f498482..3971a06 100644
--- a/arch/mips/txx9/rbtx4938/irq.c
+++ b/arch/mips/txx9/rbtx4938/irq.c
@@ -66,6 +66,8 @@
*/
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <asm/mipsregs.h>
+#include <asm/txx9/generic.h>
#include <asm/txx9/rbtx4938.h>
static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
@@ -80,26 +82,17 @@
.unmask = toshiba_rbtx4938_irq_ioc_enable,
};
-int
-toshiba_rbtx4938_irq_nested(int sw_irq)
+static int toshiba_rbtx4938_irq_nested(int sw_irq)
{
u8 level3;
level3 = readb(rbtx4938_imstat_addr);
if (level3)
/* must use fls so onboard ATA has priority */
- sw_irq = TOSHIBA_RBTX4938_IRQ_IOC_BEG + fls(level3) - 1;
-
+ sw_irq = RBTX4938_IRQ_IOC + fls(level3) - 1;
return sw_irq;
}
-static struct irqaction toshiba_rbtx4938_irq_ioc_action = {
- .handler = no_action,
- .flags = 0,
- .mask = CPU_MASK_NONE,
- .name = TOSHIBA_RBTX4938_IOC_NAME,
-};
-
/**********************************************************************************/
/* Functions for ioc */
/**********************************************************************************/
@@ -108,13 +101,12 @@
{
int i;
- for (i = TOSHIBA_RBTX4938_IRQ_IOC_BEG;
- i <= TOSHIBA_RBTX4938_IRQ_IOC_END; i++)
+ for (i = RBTX4938_IRQ_IOC;
+ i < RBTX4938_IRQ_IOC + RBTX4938_NR_IRQ_IOC; i++)
set_irq_chip_and_handler(i, &toshiba_rbtx4938_irq_ioc_type,
handle_level_irq);
- setup_irq(RBTX4938_IRQ_IOCINT,
- &toshiba_rbtx4938_irq_ioc_action);
+ set_irq_chained_handler(RBTX4938_IRQ_IOCINT, handle_simple_irq);
}
static void
@@ -123,7 +115,7 @@
unsigned char v;
v = readb(rbtx4938_imask_addr);
- v |= (1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
+ v |= (1 << (irq - RBTX4938_IRQ_IOC));
writeb(v, rbtx4938_imask_addr);
mmiowb();
}
@@ -134,15 +126,33 @@
unsigned char v;
v = readb(rbtx4938_imask_addr);
- v &= ~(1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
+ v &= ~(1 << (irq - RBTX4938_IRQ_IOC));
writeb(v, rbtx4938_imask_addr);
mmiowb();
}
-void __init arch_init_irq(void)
+static int rbtx4938_irq_dispatch(int pending)
{
- extern void tx4938_irq_init(void);
+ int irq;
+ if (pending & STATUSF_IP7)
+ irq = MIPS_CPU_IRQ_BASE + 7;
+ else if (pending & STATUSF_IP2) {
+ irq = txx9_irq();
+ if (irq == RBTX4938_IRQ_IOCINT)
+ irq = toshiba_rbtx4938_irq_nested(irq);
+ } else if (pending & STATUSF_IP1)
+ irq = MIPS_CPU_IRQ_BASE + 0;
+ else if (pending & STATUSF_IP0)
+ irq = MIPS_CPU_IRQ_BASE + 1;
+ else
+ irq = -1;
+ return irq;
+}
+
+void __init rbtx4938_irq_setup(void)
+{
+ txx9_irq_dispatch = rbtx4938_irq_dispatch;
/* Now, interrupt control disabled, */
/* all IRC interrupts are masked, */
/* all IRC interrupt mode are Low Active. */
diff --git a/arch/mips/txx9/rbtx4938/prom.c b/arch/mips/txx9/rbtx4938/prom.c
index 134fcc2..fbb3745 100644
--- a/arch/mips/txx9/rbtx4938/prom.c
+++ b/arch/mips/txx9/rbtx4938/prom.c
@@ -11,34 +11,12 @@
*/
#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
#include <linux/bootmem.h>
-
-#include <asm/addrspace.h>
#include <asm/bootinfo.h>
-#include <asm/txx9/tx4938.h>
+#include <asm/txx9/generic.h>
+#include <asm/txx9/rbtx4938.h>
-void __init prom_init_cmdline(void)
-{
- int argc = (int) fw_arg0;
- char **argv = (char **) fw_arg1;
- int i;
-
- /* ignore all built-in args if any f/w args given */
- if (argc > 1) {
- *arcs_cmdline = '\0';
- }
-
- for (i = 1; i < argc; i++) {
- if (i != 1) {
- strcat(arcs_cmdline, " ");
- }
- strcat(arcs_cmdline, argv[i]);
- }
-}
-
-void __init prom_init(void)
+void __init rbtx4938_prom_init(void)
{
extern int tx4938_get_mem_size(void);
int msize;
@@ -48,25 +26,4 @@
msize = tx4938_get_mem_size();
add_memory_region(0, msize << 20, BOOT_MEM_RAM);
-
- return;
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
-
-void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
-{
- return;
-}
-
-const char *get_system_type(void)
-{
- return "Toshiba RBTX4938";
-}
-
-char * __init prom_getcmdline(void)
-{
- return &(arcs_cmdline[0]);
}
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index 144d2ca..8306ba3 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -17,7 +17,6 @@
#include <linux/console.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
-#include <linux/clk.h>
#include <linux/gpio.h>
#include <asm/reboot.h>
@@ -147,9 +146,9 @@
#define SEEPROM3_CS 1 /* IOC */
#define SRTC_CS 2 /* IOC */
-#ifdef CONFIG_PCI
static int __init rbtx4938_ethaddr_init(void)
{
+#ifdef CONFIG_PCI
unsigned char dat[17];
unsigned char sum;
int i;
@@ -179,10 +178,9 @@
platform_device_add(pdev))
platform_device_put(pdev);
}
+#endif /* CONFIG_PCI */
return 0;
}
-device_initcall(rbtx4938_ethaddr_init);
-#endif /* CONFIG_PCI */
static void __init rbtx4938_spi_setup(void)
{
@@ -366,7 +364,7 @@
#endif
}
-void __init plat_time_init(void)
+static void __init rbtx4938_time_init(void)
{
mips_hpt_frequency = txx9_cpu_clock / 2;
if (____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_TINTDIS)
@@ -375,7 +373,7 @@
txx9_gbus_clock / 2);
}
-void __init plat_mem_setup(void)
+static void __init rbtx4938_mem_setup(void)
{
unsigned long long pcfg;
char *argptr;
@@ -496,7 +494,6 @@
res, ARRAY_SIZE(res));
return IS_ERR(dev) ? PTR_ERR(dev) : 0;
}
-device_initcall(rbtx4938_ne_init);
/* GPIO support */
@@ -587,14 +584,13 @@
return 0;
}
-static int __init rbtx4938_arch_init(void)
+static void __init rbtx4938_arch_init(void)
{
txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, 16);
gpiochip_add(&rbtx4938_spi_gpio_chip);
rbtx4938_pci_setup();
- return rbtx4938_spi_init();
+ rbtx4938_spi_init();
}
-arch_initcall(rbtx4938_arch_init);
/* Watchdog support */
@@ -614,38 +610,24 @@
{
return txx9_wdt_init(TX4938_TMR_REG(2) & 0xfffffffffULL);
}
-device_initcall(rbtx4938_wdt_init);
-/* Minimum CLK support */
-
-struct clk *clk_get(struct device *dev, const char *id)
+static void __init rbtx4938_device_init(void)
{
- if (!strcmp(id, "spi-baseclk"))
- return (struct clk *)(txx9_gbus_clock / 2 / 4);
- if (!strcmp(id, "imbus_clk"))
- return (struct clk *)(txx9_gbus_clock / 2);
- return ERR_PTR(-ENOENT);
+ rbtx4938_ethaddr_init();
+ rbtx4938_ne_init();
+ rbtx4938_wdt_init();
}
-EXPORT_SYMBOL(clk_get);
-int clk_enable(struct clk *clk)
-{
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return (unsigned long)clk;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
+struct txx9_board_vec rbtx4938_vec __initdata = {
+ .type = MACH_TOSHIBA_RBTX4938,
+ .system = "Toshiba RBTX4938",
+ .prom_init = rbtx4938_prom_init,
+ .mem_setup = rbtx4938_mem_setup,
+ .irq_setup = rbtx4938_irq_setup,
+ .time_init = rbtx4938_time_init,
+ .device_init = rbtx4938_device_init,
+ .arch_init = rbtx4938_arch_init,
+#ifdef CONFIG_PCI
+ .pci_map_irq = rbtx4938_pci_map_irq,
+#endif
+};
diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h
index 2ff6c20..6cd1477 100644
--- a/include/asm-mips/txx9/generic.h
+++ b/include/asm-mips/txx9/generic.h
@@ -20,4 +20,22 @@
extern unsigned int txx9_cpu_clock;
extern unsigned int txx9_gbus_clock;
+struct pci_dev;
+struct txx9_board_vec {
+ unsigned long type;
+ const char *system;
+ void (*prom_init)(void);
+ void (*mem_setup)(void);
+ void (*irq_setup)(void);
+ void (*time_init)(void);
+ void (*arch_init)(void);
+ void (*device_init)(void);
+#ifdef CONFIG_PCI
+ int (*pci_map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
+#endif
+};
+extern struct txx9_board_vec *txx9_board_vec;
+extern int (*txx9_irq_dispatch)(int pending);
+void prom_init_cmdline(void);
+
#endif /* __ASM_TXX9_GENERIC_H */
diff --git a/include/asm-mips/txx9/jmr3927.h b/include/asm-mips/txx9/jmr3927.h
index 29e5498..d6eb1b6 100644
--- a/include/asm-mips/txx9/jmr3927.h
+++ b/include/asm-mips/txx9/jmr3927.h
@@ -174,4 +174,9 @@
* INT[3:0]
*/
+void jmr3927_prom_init(void);
+void jmr3927_irq_setup(void);
+struct pci_dev;
+int jmr3927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
+
#endif /* __ASM_TXX9_JMR3927_H */
diff --git a/include/asm-mips/txx9/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h
index 5b6f488..bf19458 100644
--- a/include/asm-mips/txx9/rbtx4927.h
+++ b/include/asm-mips/txx9/rbtx4927.h
@@ -46,12 +46,16 @@
#define RBTX4927_INTF_PCIB (1 << RBTX4927_INTB_PCIB)
#define RBTX4927_INTF_PCIA (1 << RBTX4927_INTB_PCIA)
-#define RBTX4927_IRQ_IOC (TX4927_IRQ_PIC_BEG + TX4927_NUM_IR)
+#define RBTX4927_NR_IRQ_IOC 8 /* IOC */
+
+#define RBTX4927_IRQ_IOC (TXX9_IRQ_BASE + TX4927_NUM_IR)
#define RBTX4927_IRQ_IOC_PCID (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCID)
#define RBTX4927_IRQ_IOC_PCIC (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIC)
#define RBTX4927_IRQ_IOC_PCIB (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIB)
#define RBTX4927_IRQ_IOC_PCIA (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIA)
+#define RBTX4927_IRQ_IOCINT (TXX9_IRQ_BASE + TX4927_IR_INT(1))
+
#ifdef CONFIG_PCI
#define RBTX4927_ISA_IO_OFFSET RBTX4927_PCIIO
#else
@@ -65,8 +69,11 @@
#define RBTX4927_SW_RESET_ENABLE_SET 0x01
#define RBTX4927_RTL_8019_BASE (0x1c020280 - RBTX4927_ISA_IO_OFFSET)
-#define RBTX4927_RTL_8019_IRQ (TX4927_IRQ_PIC_BEG + 5)
+#define RBTX4927_RTL_8019_IRQ (TXX9_IRQ_BASE + TX4927_IR_INT(3))
-int toshiba_rbtx4927_irq_nested(int sw_irq);
+void rbtx4927_prom_init(void);
+void rbtx4927_irq_setup(void);
+struct pci_dev;
+int rbtx4927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
#endif /* __ASM_TXX9_RBTX4927_H */
diff --git a/include/asm-mips/txx9/rbtx4938.h b/include/asm-mips/txx9/rbtx4938.h
index 8450f73..2f5d5e7 100644
--- a/include/asm-mips/txx9/rbtx4938.h
+++ b/include/asm-mips/txx9/rbtx4938.h
@@ -101,35 +101,12 @@
* that particular IRQ on an RBTX4938 machine. Add new 'spaces' as new
* IRQ hardware is supported.
*/
-#define RBTX4938_NR_IRQ_LOCAL 8
-#define RBTX4938_NR_IRQ_IRC 32 /* On-Chip IRC */
#define RBTX4938_NR_IRQ_IOC 8
-#define TX4938_IRQ_CP0_BEG MIPS_CPU_IRQ_BASE
-#define TX4938_IRQ_CP0_END (MIPS_CPU_IRQ_BASE + 8 - 1)
-
-#define TX4938_IRQ_PIC_BEG TXX9_IRQ_BASE
-#define TX4938_IRQ_PIC_END (TXX9_IRQ_BASE + TXx9_MAX_IR - 1)
-#define TX4938_IRQ_NEST_EXT_ON_PIC (TX4938_IRQ_PIC_BEG+2)
-#define TX4938_IRQ_NEST_PIC_ON_CP0 (TX4938_IRQ_CP0_BEG+2)
-#define TX4938_IRQ_USER0 (TX4938_IRQ_CP0_BEG+0)
-#define TX4938_IRQ_USER1 (TX4938_IRQ_CP0_BEG+1)
-#define TX4938_IRQ_CPU_TIMER (TX4938_IRQ_CP0_BEG+7)
-
-#define TOSHIBA_RBTX4938_IRQ_IOC_RAW_BEG 0
-#define TOSHIBA_RBTX4938_IRQ_IOC_RAW_END 7
-
-#define TOSHIBA_RBTX4938_IRQ_IOC_BEG ((TX4938_IRQ_PIC_END+1)+TOSHIBA_RBTX4938_IRQ_IOC_RAW_BEG) /* 56 */
-#define TOSHIBA_RBTX4938_IRQ_IOC_END ((TX4938_IRQ_PIC_END+1)+TOSHIBA_RBTX4938_IRQ_IOC_RAW_END) /* 63 */
-#define RBTX4938_IRQ_LOCAL TX4938_IRQ_CP0_BEG
-#define RBTX4938_IRQ_IRC (RBTX4938_IRQ_LOCAL + RBTX4938_NR_IRQ_LOCAL)
-#define RBTX4938_IRQ_IOC (RBTX4938_IRQ_IRC + RBTX4938_NR_IRQ_IRC)
+#define RBTX4938_IRQ_IRC TXX9_IRQ_BASE
+#define RBTX4938_IRQ_IOC (TXX9_IRQ_BASE + TX4938_NUM_IR)
#define RBTX4938_IRQ_END (RBTX4938_IRQ_IOC + RBTX4938_NR_IRQ_IOC)
-#define RBTX4938_IRQ_LOCAL_SOFT0 (RBTX4938_IRQ_LOCAL + RBTX4938_SOFT_INT0)
-#define RBTX4938_IRQ_LOCAL_SOFT1 (RBTX4938_IRQ_LOCAL + RBTX4938_SOFT_INT1)
-#define RBTX4938_IRQ_LOCAL_IRC (RBTX4938_IRQ_LOCAL + RBTX4938_IRC_INT)
-#define RBTX4938_IRQ_LOCAL_TIMER (RBTX4938_IRQ_LOCAL + RBTX4938_TIMER_INT)
#define RBTX4938_IRQ_IRC_ECCERR (RBTX4938_IRQ_IRC + TX4938_IR_ECCERR)
#define RBTX4938_IRQ_IRC_WTOERR (RBTX4938_IRQ_IRC + TX4938_IR_WTOERR)
#define RBTX4938_IRQ_IRC_INT(n) (RBTX4938_IRQ_IRC + TX4938_IR_INT(n))
@@ -157,11 +134,16 @@
/* IOC (PCI, etc) */
-#define RBTX4938_IRQ_IOCINT (TX4938_IRQ_NEST_EXT_ON_PIC)
+#define RBTX4938_IRQ_IOCINT (TXX9_IRQ_BASE + TX4938_IR_INT(0))
/* Onboard 10M Ether */
-#define RBTX4938_IRQ_ETHER (TX4938_IRQ_NEST_EXT_ON_PIC + 1)
+#define RBTX4938_IRQ_ETHER (TXX9_IRQ_BASE + TX4938_IR_INT(1))
#define RBTX4938_RTL_8019_BASE (RBTX4938_ETHER_ADDR - mips_io_port_base)
#define RBTX4938_RTL_8019_IRQ (RBTX4938_IRQ_ETHER)
+void rbtx4938_prom_init(void);
+void rbtx4938_irq_setup(void);
+struct pci_dev;
+int rbtx4938_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
+
#endif /* __ASM_TXX9_RBTX4938_H */
diff --git a/include/asm-mips/txx9/tx4927.h b/include/asm-mips/txx9/tx4927.h
index c0382fd..46d60af 100644
--- a/include/asm-mips/txx9/tx4927.h
+++ b/include/asm-mips/txx9/tx4927.h
@@ -32,20 +32,6 @@
#include <asm/txx9irq.h>
#include <asm/txx9/tx4927pcic.h>
-#define TX4927_IRQ_CP0_BEG MIPS_CPU_IRQ_BASE
-#define TX4927_IRQ_CP0_END (MIPS_CPU_IRQ_BASE + 8 - 1)
-
-#define TX4927_IRQ_PIC_BEG TXX9_IRQ_BASE
-#define TX4927_IRQ_PIC_END (TXX9_IRQ_BASE + TXx9_MAX_IR - 1)
-
-
-#define TX4927_IRQ_USER0 (TX4927_IRQ_CP0_BEG+0)
-#define TX4927_IRQ_USER1 (TX4927_IRQ_CP0_BEG+1)
-#define TX4927_IRQ_NEST_PIC_ON_CP0 (TX4927_IRQ_CP0_BEG+2)
-#define TX4927_IRQ_CPU_TIMER (TX4927_IRQ_CP0_BEG+7)
-
-#define TX4927_IRQ_NEST_EXT_ON_PIC (TX4927_IRQ_PIC_BEG+3)
-
#define TX4927_SDRAMC_REG 0xff1f8000
#define TX4927_EBUSC_REG 0xff1f9000
#define TX4927_PCIC_REG 0xff1fd000
@@ -54,10 +40,14 @@
#define TX4927_NR_TMR 3
#define TX4927_TMR_REG(ch) (0xff1ff000 + (ch) * 0x100)
+#define TX4927_IR_INT(n) (2 + (n))
+#define TX4927_IR_SIO(n) (8 + (n))
#define TX4927_IR_PCIC 16
#define TX4927_IR_PCIERR 22
#define TX4927_NUM_IR 32
+#define TX4927_IRC_INT 2 /* IP[2] in Status register */
+
struct tx4927_sdramc_reg {
volatile unsigned long long cr[4];
volatile unsigned long long unused0[4];
@@ -224,5 +214,6 @@
int tx4927_report_pciclk(void);
int tx4927_pciclk66_setup(void);
+void tx4927_irq_init(void);
#endif /* __ASM_TXX9_TX4927_H */
diff --git a/include/asm-mips/txx9/tx4938.h b/include/asm-mips/txx9/tx4938.h
index 0bb8919..12de68a 100644
--- a/include/asm-mips/txx9/tx4938.h
+++ b/include/asm-mips/txx9/tx4938.h
@@ -18,11 +18,6 @@
#define tx4938_read_nfmc(addr) (*(volatile unsigned int *)(addr))
#define tx4938_write_nfmc(b, addr) (*(volatile unsigned int *)(addr)) = (b)
-#define TX4938_NR_IRQ_LOCAL TX4938_IRQ_PIC_BEG
-
-#define TX4938_IRQ_IRC_PCIC (TX4938_NR_IRQ_LOCAL + TX4938_IR_PCIC)
-#define TX4938_IRQ_IRC_PCIERR (TX4938_NR_IRQ_LOCAL + TX4938_IR_PCIERR)
-
#define TX4938_PCIIO_0 0x10000000
#define TX4938_PCIIO_1 0x01010000
#define TX4938_PCIMEM_0 0x08000000
@@ -271,6 +266,8 @@
#define TX4938_IR_ETH0 TX4938_IR_INT(4)
#define TX4938_IR_ETH1 TX4938_IR_INT(3)
+#define TX4938_IRC_INT 2 /* IP[2] in Status register */
+
/*
* CCFG
*/
@@ -463,5 +460,6 @@
int tx4938_pciclk66_setup(void);
struct pci_dev;
int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot);
+void tx4938_irq_init(void);
#endif