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sh: Solution Engine 770x IPR irq setup.
Fixups for external IPR IRQs for the SE770x FPGA. Signed-off-by: Nobuhiro Iwamatsu <hemamu@t-base.ne.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Nobuhiro Iwamatsu
Paul Mundt
parent
08d2e099fb
commit
aa4a5db52a
@ -2,56 +2,96 @@
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* linux/arch/sh/boards/se/770x/irq.c
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*
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* Copyright (C) 2000 Kazumoto Kojima
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* Copyright (C) 2006 Nobuhiro Iwamatsu
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*
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* Hitachi SolutionEngine Support.
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*
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#include <asm/se.h>
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/*
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* If the problem of make_ipr_irq is solved,
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* this code will become unnecessary. :-)
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*/
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static void se770x_disable_ipr_irq(unsigned int irq)
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{
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struct ipr_data *p = get_irq_chip_data(irq);
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ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr);
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}
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static void se770x_enable_ipr_irq(unsigned int irq)
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{
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struct ipr_data *p = get_irq_chip_data(irq);
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ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr);
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}
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static struct irq_chip se770x_irq_chip = {
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.name = "MS770xSE-FPGA",
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.mask = se770x_disable_ipr_irq,
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.unmask = se770x_enable_ipr_irq,
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.mask_ack = se770x_disable_ipr_irq,
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};
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void make_se770x_irq(struct ipr_data *table, unsigned int nr_irqs)
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{
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int i;
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for (i = 0; i < nr_irqs; i++) {
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unsigned int irq = table[i].irq;
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disable_irq_nosync(irq);
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set_irq_chip_and_handler_name(irq, &se770x_irq_chip,
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handle_level_irq, "level");
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set_irq_chip_data(irq, &table[i]);
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se770x_enable_ipr_irq(irq);
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}
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}
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static struct ipr_data se770x_ipr_map[] = {
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#if defined(CONFIG_CPU_SUBTYPE_SH7705)
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/* This is default value */
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{ 0xf-0x2, BCR_ILCRA, 2, 0x2 },
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{ 0xf-0xa, BCR_ILCRA, 1, 0xa },
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{ 0xf-0x5, BCR_ILCRB, 0, 0x5 },
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{ 0xf-0x8, BCR_ILCRC, 1, 0x8 },
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{ 0xf-0xc, BCR_ILCRC, 0, 0xc },
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{ 0xf-0xe, BCR_ILCRD, 3, 0xe },
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{ 0xf-0x3, BCR_ILCRD, 1, 0x3 }, /* LAN */
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{ 0xf-0xd, BCR_ILCRE, 2, 0xd },
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{ 0xf-0x9, BCR_ILCRE, 1, 0x9 },
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{ 0xf-0x1, BCR_ILCRE, 0, 0x1 },
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{ 0xf-0xf, BCR_ILCRF, 3, 0xf },
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{ 0xf-0xb, BCR_ILCRF, 1, 0xb },
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{ 0xf-0x7, BCR_ILCRG, 3, 0x7 },
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{ 0xf-0x6, BCR_ILCRG, 2, 0x6 },
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{ 0xf-0x4, BCR_ILCRG, 1, 0x4 },
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{ 0xf-0x2, 0, 8, 0x2 , BCR_ILCRA},
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{ 0xf-0xa, 0, 4, 0xa , BCR_ILCRA},
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{ 0xf-0x5, 0, 0, 0x5 , BCR_ILCRB},
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{ 0xf-0x8, 0, 4, 0x8 , BCR_ILCRC},
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{ 0xf-0xc, 0, 0, 0xc , BCR_ILCRC},
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{ 0xf-0xe, 0, 12, 0xe , BCR_ILCRD},
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{ 0xf-0x3, 0, 4, 0x3 , BCR_ILCRD}, /* LAN */
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{ 0xf-0xd, 0, 8, 0xd , BCR_ILCRE},
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{ 0xf-0x9, 0, 4, 0x9 , BCR_ILCRE},
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{ 0xf-0x1, 0, 0, 0x1 , BCR_ILCRE},
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{ 0xf-0xf, 0, 12, 0xf , BCR_ILCRF},
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{ 0xf-0xb, 0, 4, 0xb , BCR_ILCRF},
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{ 0xf-0x7, 0, 12, 0x7 , BCR_ILCRG},
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{ 0xf-0x6, 0, 8, 0x6 , BCR_ILCRG},
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{ 0xf-0x4, 0, 4, 0x4 , BCR_ILCRG},
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#else
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{ 14, BCR_ILCRA, 2, 0x0f-14 },
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{ 12, BCR_ILCRA, 1, 0x0f-12 },
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{ 8, BCR_ILCRB, 1, 0x0f- 8 },
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{ 6, BCR_ILCRC, 3, 0x0f- 6 },
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{ 5, BCR_ILCRC, 2, 0x0f- 5 },
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{ 4, BCR_ILCRC, 1, 0x0f- 4 },
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{ 3, BCR_ILCRC, 0, 0x0f- 3 },
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{ 1, BCR_ILCRD, 3, 0x0f- 1 },
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{ 10, BCR_ILCRD, 1, 0x0f-10 }, /* LAN */
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{ 0, BCR_ILCRE, 3, 0x0f- 0 }, /* PCIRQ3 */
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{ 11, BCR_ILCRE, 2, 0x0f-11 }, /* PCIRQ2 */
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{ 9, BCR_ILCRE, 1, 0x0f- 9 }, /* PCIRQ1 */
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{ 7, BCR_ILCRE, 0, 0x0f- 7 }, /* PCIRQ0 */
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{ 14, 0, 8, 0x0f-14 ,BCR_ILCRA},
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{ 12, 0, 4, 0x0f-12 ,BCR_ILCRA},
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{ 8, 0, 4, 0x0f- 8 ,BCR_ILCRB},
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{ 6, 0, 12, 0x0f- 6 ,BCR_ILCRC},
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{ 5, 0, 8, 0x0f- 5 ,BCR_ILCRC},
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{ 4, 0, 4, 0x0f- 4 ,BCR_ILCRC},
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{ 3, 0, 0, 0x0f- 3 ,BCR_ILCRC},
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{ 1, 0, 12, 0x0f- 1 ,BCR_ILCRD},
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/* ST NIC */
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{ 10, 0, 4, 0x0f-10 ,BCR_ILCRD}, /* LAN */
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/* MRSHPC IRQs setting */
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{ 0, 0, 12, 0x0f- 0 ,BCR_ILCRE}, /* PCIRQ3 */
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{ 11, 0, 8, 0x0f-11 ,BCR_ILCRE}, /* PCIRQ2 */
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{ 9, 0, 4, 0x0f- 9 ,BCR_ILCRE}, /* PCIRQ1 */
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{ 7, 0, 0, 0x0f- 7 ,BCR_ILCRE}, /* PCIRQ0 */
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/* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
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/* NOTE: #2 and #13 are not used on PC */
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{ 13, BCR_ILCRG, 1, 0x0f-13 }, /* SLOTIRQ2 */
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{ 2, BCR_ILCRG, 0, 0x0f- 2 }, /* SLOTIRQ1 */
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{ 13, 0, 4, 0x0f-13 ,BCR_ILCRG}, /* SLOTIRQ2 */
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{ 2, 0, 0, 0x0f- 2 ,BCR_ILCRG}, /* SLOTIRQ1 */
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#endif
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};
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@ -81,5 +121,5 @@ void __init init_se_IRQ(void)
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ctrl_outw(0, BCR_ILCRF);
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ctrl_outw(0, BCR_ILCRG);
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#endif
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make_ipr_irq(se770x_ipr_map, ARRAY_SIZE(se770x_ipr_map));
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make_se770x_irq(se770x_ipr_map, ARRAY_SIZE(se770x_ipr_map));
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}
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@ -1,5 +1,4 @@
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/* $Id: setup.c,v 1.1.2.4 2002/03/02 21:57:07 lethal Exp $
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*
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/*
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* linux/arch/sh/boards/se/770x/setup.c
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*
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* Copyright (C) 2000 Kazumoto Kojima
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@ -36,11 +35,6 @@ static void __init smsc_setup(char **cmdline_p)
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smsc_config(ACTIVATE_INDEX, 0x01);
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smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
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/* IDE1 */
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smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
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smsc_config(ACTIVATE_INDEX, 0x01);
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smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
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/* AUXIO (GPIO): to use IDE1 */
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smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
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smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
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