diff options
Diffstat (limited to 'arch/sh/boards/se/770x/irq.c')
| -rw-r--r-- | arch/sh/boards/se/770x/irq.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/arch/sh/boards/se/770x/irq.c b/arch/sh/boards/se/770x/irq.c deleted file mode 100644 index c8eccff77a0..00000000000 --- a/arch/sh/boards/se/770x/irq.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * linux/arch/sh/boards/se/770x/irq.c - * - * Copyright (C) 2000 Kazumoto Kojima - * Copyright (C) 2006 Nobuhiro Iwamatsu - * - * Hitachi SolutionEngine Support. - * - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/se.h> - -/* - * If the problem of make_ipr_irq is solved, - * this code will become unnecessary. :-) - */ -static void se770x_disable_ipr_irq(unsigned int irq) -{ - struct ipr_data *p = get_irq_chip_data(irq); - - ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr); -} - -static void se770x_enable_ipr_irq(unsigned int irq) -{ - struct ipr_data *p = get_irq_chip_data(irq); - - ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr); -} - -static struct irq_chip se770x_irq_chip = { - .name = "MS770xSE-FPGA", - .mask = se770x_disable_ipr_irq, - .unmask = se770x_enable_ipr_irq, - .mask_ack = se770x_disable_ipr_irq, -}; - -void make_se770x_irq(struct ipr_data *table, unsigned int nr_irqs) -{ - int i; - - for (i = 0; i < nr_irqs; i++) { - unsigned int irq = table[i].irq; - disable_irq_nosync(irq); - set_irq_chip_and_handler_name(irq, &se770x_irq_chip, - handle_level_irq, "level"); - set_irq_chip_data(irq, &table[i]); - se770x_enable_ipr_irq(irq); - } -} - -static struct ipr_data se770x_ipr_map[] = { - /* - * Super I/O (Just mimic PC): - * 1: keyboard - * 3: serial 0 - * 4: serial 1 - * 5: printer - * 6: floppy - * 8: rtc - * 12: mouse - * 14: ide0 - */ -#if defined(CONFIG_CPU_SUBTYPE_SH7705) - /* This is default value */ - { 13, 0, 8, 0x0f-13 ,BCR_ILCRA}, - { 5 , 0, 4, 0x0f- 5 ,BCR_ILCRA}, - { 10, 0, 0, 0x0f-10, BCR_ILCRB}, - { 7 , 0, 4, 0x0f- 7, BCR_ILCRC}, - { 3 , 0, 0, 0x0f- 3, BCR_ILCRC}, - { 1 , 0, 12, 0x0f- 1, BCR_ILCRD}, - { 12, 0, 4, 0x0f-12, BCR_ILCRD}, /* LAN */ - { 2 , 0, 8, 0x0f- 2, BCR_ILCRE}, /* PCIRQ2 */ - { 6 , 0, 4, 0x0f- 6, BCR_ILCRE}, /* PCIRQ1 */ - { 14, 0, 0, 0x0f-14, BCR_ILCRE}, /* PCIRQ0 */ - { 0 , 0, 12, 0x0f , BCR_ILCRF}, - { 4 , 0, 4, 0x0f- 4, BCR_ILCRF}, - { 8 , 0, 12, 0x0f- 8, BCR_ILCRG}, - { 9 , 0, 8, 0x0f- 9, BCR_ILCRG}, - { 11, 0, 4, 0x0f-11, BCR_ILCRG}, -#else - { 14, 0, 8, 0x0f-14 ,BCR_ILCRA}, - { 12, 0, 4, 0x0f-12 ,BCR_ILCRA}, - { 8, 0, 4, 0x0f- 8 ,BCR_ILCRB}, - { 6, 0, 12, 0x0f- 6 ,BCR_ILCRC}, - { 5, 0, 8, 0x0f- 5 ,BCR_ILCRC}, - { 4, 0, 4, 0x0f- 4 ,BCR_ILCRC}, - { 3, 0, 0, 0x0f- 3 ,BCR_ILCRC}, - { 1, 0, 12, 0x0f- 1 ,BCR_ILCRD}, -#if defined(CONFIG_STNIC) - /* ST NIC */ - { 10, 0, 4, 0x0f-10 ,BCR_ILCRD}, /* LAN */ -#endif - /* MRSHPC IRQs setting */ - { 0, 0, 12, 0x0f- 0 ,BCR_ILCRE}, /* PCIRQ3 */ - { 11, 0, 8, 0x0f-11 ,BCR_ILCRE}, /* PCIRQ2 */ - { 9, 0, 4, 0x0f- 9 ,BCR_ILCRE}, /* PCIRQ1 */ - { 7, 0, 0, 0x0f- 7 ,BCR_ILCRE}, /* PCIRQ0 */ - /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */ - /* NOTE: #2 and #13 are not used on PC */ - { 13, 0, 4, 0x0f-13 ,BCR_ILCRG}, /* SLOTIRQ2 */ - { 2, 0, 0, 0x0f- 2 ,BCR_ILCRG}, /* SLOTIRQ1 */ -#endif -}; - -/* - * Initialize IRQ setting - */ -void __init init_se_IRQ(void) -{ - /* Disable all interrupts */ - ctrl_outw(0, BCR_ILCRA); - ctrl_outw(0, BCR_ILCRB); - ctrl_outw(0, BCR_ILCRC); - ctrl_outw(0, BCR_ILCRD); - ctrl_outw(0, BCR_ILCRE); - ctrl_outw(0, BCR_ILCRF); - ctrl_outw(0, BCR_ILCRG); - - make_se770x_irq(se770x_ipr_map, ARRAY_SIZE(se770x_ipr_map)); -} |
