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Commit 0dc3fc04 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

sh: intc - add support for sh7619 



This patch converts the cpu specific interrupt setup code for sh7619
from ipr to intc. New vectors are also added to match the information
provided by the datasheet.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent c4773bc2

arch/sh/kernel/cpu/sh2/setup-sh7619.c

+56 −37
Original line number Diff line number Diff line
@@ -12,6 +12,61 @@ 
#include <linux/serial.h>

#include <asm/sci.h>



enum {

	UNUSED = 0,



	/* interrupt sources */

	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,

	WDT, EDMAC, CMT0, CMT1,

	SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,

	SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,

	SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,

	HIF_HIFI, HIF_HIFBI,

	DMAC0, DMAC1, DMAC2, DMAC3,

	SIOF,



	/* interrupt groups */

	SCIF0, SCIF1, SCIF2,

};



static struct intc_vect vectors[] __initdata = {

	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),

	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),

	INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81),

	INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83),

	INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85),

	INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87),

	INTC_IRQ(SCIF0_ERI, 88), INTC_IRQ(SCIF0_RXI, 89),

	INTC_IRQ(SCIF0_BRI, 90), INTC_IRQ(SCIF0_TXI, 91),

	INTC_IRQ(SCIF1_ERI, 92), INTC_IRQ(SCIF1_RXI, 93),

	INTC_IRQ(SCIF1_BRI, 94), INTC_IRQ(SCIF1_TXI, 95),

	INTC_IRQ(SCIF2_ERI, 96), INTC_IRQ(SCIF2_RXI, 97),

	INTC_IRQ(SCIF2_BRI, 98), INTC_IRQ(SCIF2_TXI, 99),

	INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101),

	INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105),

	INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107),

	INTC_IRQ(SIOF, 108),

};



static struct intc_group groups[] __initdata = {

	INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),

	INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),

	INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),

};



static struct intc_prio_reg prio_registers[] __initdata = {

	{ 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } },

	{ 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } },

	{ 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } },

	{ 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } },

	{ 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } },

	{ 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } },

	{ 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } },

};



static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, groups,

			 NULL, NULL, prio_registers, NULL);



static struct plat_sci_port sci_platform_data[] = {

	{

		.mapbase	= 0xf8400000,
@@ -52,43 +107,7 @@ static int __init sh7619_devices_setup(void) 
}

__initcall(sh7619_devices_setup);



static struct ipr_data ipr_irq_table[] = {

	{ 86, 0,  4, 2 },	/* CMI0 */

	{ 88, 1, 12, 3 },	/* SCIF0_ERI */

	{ 89, 1, 12, 3 },	/* SCIF0_RXI */

	{ 90, 1, 12, 3 },	/* SCIF0_BRI */

	{ 91, 1, 12, 3 },	/* SCIF0_TXI */

	{ 92, 1,  8, 3 },	/* SCIF1_ERI */

	{ 93, 1,  8, 3 },	/* SCIF1_RXI */

	{ 94, 1,  8, 3 },	/* SCIF1_BRI */

	{ 95, 1,  8, 3 },	/* SCIF1_TXI */

	{ 96, 1,  4, 3 },	/* SCIF2_ERI */

	{ 97, 1,  4, 3 },	/* SCIF2_RXI */

	{ 98, 1,  4, 3 },	/* SCIF2_BRI */

	{ 99, 1,  4, 3 },	/* SCIF2_TXI */

};



static unsigned long ipr_offsets[] = {

	0xf8080000,	/* IPRC */

	0xf8080002,	/* IPRD */

	0xf8080004,	/* IPRE */

	0xf8080006,	/* IPRF */

	0xf8080008,	/* IPRG */

};



static struct ipr_desc ipr_irq_desc = {

	.ipr_offsets	= ipr_offsets,

	.nr_offsets	= ARRAY_SIZE(ipr_offsets),



	.ipr_data	= ipr_irq_table,

	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),



	.chip = {

		.name	= "IPR-sh7619",

	},

};



void __init plat_irq_setup(void)

{

	register_ipr_controller(&ipr_irq_desc);

	register_intc_controller(&intc_desc);

}

arch/sh/mm/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ choice 
config CPU_SUBTYPE_SH7619

	bool "Support SH7619 processor"

	select CPU_SH2

	select CPU_HAS_IPR_IRQ

	select CPU_HAS_INTC_IRQ



# SH-2A Processor Support