From d725cf3818b12a17d78b87a2de19e8eec17126ae Mon Sep 17 00:00:00 2001 From: Chris Dearman Date: Tue, 8 May 2007 14:05:39 +0100 Subject: [PATCH] [MIPS] MT: Reenable EIC support and add support for SOCit SC. Signed-off-by: Chris Dearman Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 4 ++++ arch/mips/kernel/irq-msc01.c | 10 +++++----- arch/mips/mips-boards/malta/malta_int.c | 21 +++++++++++++-------- include/asm-mips/mips-boards/malta.h | 4 ++++ include/asm-mips/msc01_ic.h | 5 +---- 5 files changed, 27 insertions(+), 17 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 16ecea3c08..b684385c4e 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 2967537221..410868b5ea 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 83d76025d6..1cd830e3d9 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 b0ba3c5a92..eec91001bb 100644 --- a/include/asm-mips/mips-boards/malta.h +++ b/include/asm-mips/mips-boards/malta.h @@ -25,6 +25,10 @@ #include #include +/* 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 aa7ad9a717..7989b9ffc1 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 */ -- 2.39.5