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authorChris Dearman <chris@mips.com>2007-05-08 14:05:39 +0100
committerRalf Baechle <ralf@linux-mips.org>2007-05-11 14:28:31 +0100
commitd725cf3818b12a17d78b87a2de19e8eec17126ae (patch)
tree9d200020488b886201771bd6516c63ef43397baa
parentef300e42234eac066b193c871714203d999b481c (diff)
[MIPS] MT: Reenable EIC support and add support for SOCit SC.
Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/Kconfig4
-rw-r--r--arch/mips/kernel/irq-msc01.c10
-rw-r--r--arch/mips/mips-boards/malta/malta_int.c21
-rw-r--r--include/asm-mips/mips-boards/malta.h4
-rw-r--r--include/asm-mips/msc01_ic.h5
5 files changed, 27 insertions, 17 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 16ecea3c081..b684385c4e6 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1557,6 +1557,7 @@ config MIPS_MT_SMP
bool "Use 1 TC on each available VPE for SMP"
depends on SYS_SUPPORTS_MULTITHREADING
select CPU_MIPSR2_IRQ_VI
+ select CPU_MIPSR2_IRQ_EI
select CPU_MIPSR2_SRS
select MIPS_MT
select NR_CPUS_DEFAULT_2
@@ -1572,6 +1573,7 @@ config MIPS_MT_SMTC
#depends on CPU_MIPS64_R2 # once there is hardware ...
depends on SYS_SUPPORTS_MULTITHREADING
select CPU_MIPSR2_IRQ_VI
+ select CPU_MIPSR2_IRQ_EI
select CPU_MIPSR2_SRS
select MIPS_MT
select NR_CPUS_DEFAULT_8
@@ -1584,6 +1586,8 @@ config MIPS_MT_SMTC
config MIPS_VPE_LOADER
bool "VPE loader support."
depends on SYS_SUPPORTS_MULTITHREADING
+ select CPU_MIPSR2_IRQ_VI
+ select CPU_MIPSR2_IRQ_EI
select MIPS_MT
help
Includes a loader for loading an elf relocatable object
diff --git a/arch/mips/kernel/irq-msc01.c b/arch/mips/kernel/irq-msc01.c
index 2967537221e..410868b5ea5 100644
--- a/arch/mips/kernel/irq-msc01.c
+++ b/arch/mips/kernel/irq-msc01.c
@@ -132,11 +132,11 @@ struct irq_chip msc_edgeirq_type = {
};
-void __init init_msc_irqs(unsigned int base, msc_irqmap_t *imp, int nirq)
+void __init init_msc_irqs(unsigned long icubase, unsigned int irqbase, msc_irqmap_t *imp, int nirq)
{
extern void (*board_bind_eic_interrupt)(unsigned int irq, unsigned int regset);
- _icctrl_msc = (unsigned long) ioremap (MIPS_MSC01_IC_REG_BASE, 0x40000);
+ _icctrl_msc = (unsigned long) ioremap (icubase, 0x40000);
/* Reset interrupt controller - initialises all registers to 0 */
MSCIC_WRITE(MSC01_IC_RST, MSC01_IC_RST_RST_BIT);
@@ -148,14 +148,14 @@ void __init init_msc_irqs(unsigned int base, msc_irqmap_t *imp, int nirq)
switch (imp->im_type) {
case MSC01_IRQ_EDGE:
- set_irq_chip(base+n, &msc_edgeirq_type);
+ set_irq_chip(irqbase+n, &msc_edgeirq_type);
if (cpu_has_veic)
MSCIC_WRITE(MSC01_IC_SUP+n*8, MSC01_IC_SUP_EDGE_BIT);
else
MSCIC_WRITE(MSC01_IC_SUP+n*8, MSC01_IC_SUP_EDGE_BIT | imp->im_lvl);
break;
case MSC01_IRQ_LEVEL:
- set_irq_chip(base+n, &msc_levelirq_type);
+ set_irq_chip(irqbase+n, &msc_levelirq_type);
if (cpu_has_veic)
MSCIC_WRITE(MSC01_IC_SUP+n*8, 0);
else
@@ -163,7 +163,7 @@ void __init init_msc_irqs(unsigned int base, msc_irqmap_t *imp, int nirq)
}
}
- irq_base = base;
+ irq_base = irqbase;
MSCIC_WRITE(MSC01_IC_GENA, MSC01_IC_GENA_GENA_BIT); /* Enable interrupt generation */
diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c
index 83d76025d61..1cd830e3d93 100644
--- a/arch/mips/mips-boards/malta/malta_int.c
+++ b/arch/mips/mips-boards/malta/malta_int.c
@@ -311,16 +311,21 @@ void __init arch_init_irq(void)
if (!cpu_has_veic)
mips_cpu_irq_init();
- switch(mips_revision_corid) {
- case MIPS_REVISION_CORID_CORE_MSC:
- case MIPS_REVISION_CORID_CORE_FPGA2:
- case MIPS_REVISION_CORID_CORE_FPGA3:
- case MIPS_REVISION_CORID_CORE_24K:
- case MIPS_REVISION_CORID_CORE_EMUL_MSC:
+ switch(mips_revision_sconid) {
+ case MIPS_REVISION_SCON_SOCIT:
+ case MIPS_REVISION_SCON_ROCIT:
+ if (cpu_has_veic)
+ init_msc_irqs (MIPS_MSC01_IC_REG_BASE, MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
+ else
+ init_msc_irqs (MIPS_MSC01_IC_REG_BASE, MSC01C_INT_BASE, msc_irqmap, msc_nr_irqs);
+ break;
+
+ case MIPS_REVISION_SCON_SOCITSC:
+ case MIPS_REVISION_SCON_SOCITSCP:
if (cpu_has_veic)
- init_msc_irqs (MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
+ init_msc_irqs (MIPS_SOCITSC_IC_REG_BASE, MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
else
- init_msc_irqs (MSC01C_INT_BASE, msc_irqmap, msc_nr_irqs);
+ init_msc_irqs (MIPS_SOCITSC_IC_REG_BASE, MSC01C_INT_BASE, msc_irqmap, msc_nr_irqs);
}
if (cpu_has_veic) {
diff --git a/include/asm-mips/mips-boards/malta.h b/include/asm-mips/mips-boards/malta.h
index b0ba3c5a921..eec91001bb6 100644
--- a/include/asm-mips/mips-boards/malta.h
+++ b/include/asm-mips/mips-boards/malta.h
@@ -25,6 +25,10 @@
#include <asm/mips-boards/msc01_pci.h>
#include <asm/gt64120.h>
+/* Mips interrupt controller found in SOCit variations */
+#define MIPS_MSC01_IC_REG_BASE 0x1bc40000
+#define MIPS_SOCITSC_IC_REG_BASE 0x1ffa0000
+
/*
* Malta I/O ports base address for the Galileo GT64120 and Algorithmics
* Bonito system controllers.
diff --git a/include/asm-mips/msc01_ic.h b/include/asm-mips/msc01_ic.h
index aa7ad9a7176..7989b9ffc1d 100644
--- a/include/asm-mips/msc01_ic.h
+++ b/include/asm-mips/msc01_ic.h
@@ -94,10 +94,7 @@
/*
* MIPS System controller interrupt register base.
*
- * FIXME - are these macros specific to Malta and co or to the MSC? If the
- * latter, they should be moved elsewhere.
*/
-#define MIPS_MSC01_IC_REG_BASE 0x1bc40000
/*****************************************************************************
* Absolute register addresses
@@ -144,7 +141,7 @@ typedef struct msc_irqmap {
#define MSC01_IRQ_LEVEL 0
#define MSC01_IRQ_EDGE 1
-extern void __init init_msc_irqs(unsigned int base, msc_irqmap_t *imp, int nirq);
+extern void __init init_msc_irqs(unsigned long icubase, unsigned int base, msc_irqmap_t *imp, int nirq);
extern void ll_msc_irq(void);
#endif /* __ASM_MIPS_BOARDS_MSC01_IC_H */