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[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>
hifive-unleashed-5.1
Chris Dearman 2007-05-08 14:05:39 +01:00 committed by Ralf Baechle
parent ef300e4223
commit d725cf3818
5 changed files with 27 additions and 17 deletions
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4
arch/mips/Kconfig
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@ -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

10
arch/mips/kernel/irq-msc01.c
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@ -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 */

21
arch/mips/mips-boards/malta/malta_int.c
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@ -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 (MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
init_msc_irqs (MIPS_MSC01_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_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 (MIPS_SOCITSC_IC_REG_BASE, MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
else
init_msc_irqs (MIPS_SOCITSC_IC_REG_BASE, MSC01C_INT_BASE, msc_irqmap, msc_nr_irqs);
}
if (cpu_has_veic) {

4
include/asm-mips/mips-boards/malta.h
View File

@ -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.

5
include/asm-mips/msc01_ic.h
View File

@ -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 */