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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/sh/boards/mach-highlander/irq-r7780mp.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/boards/mach-highlander/irq-r7780mp.c')
-rw-r--r-- | arch/sh/boards/mach-highlander/irq-r7780mp.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-highlander/irq-r7780mp.c b/arch/sh/boards/mach-highlander/irq-r7780mp.c new file mode 100644 index 000000000..f46637377 --- /dev/null +++ b/arch/sh/boards/mach-highlander/irq-r7780mp.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas Solutions Highlander R7780MP Support. + * + * Copyright (C) 2002 Atom Create Engineering Co., Ltd. + * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2007 Magnus Damm + */ +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <mach/highlander.h> + +enum { + UNUSED = 0, + + /* board specific interrupt sources */ + CF, /* Compact Flash */ + TP, /* Touch panel */ + SCIF1, /* FPGA SCIF1 */ + SCIF0, /* FPGA SCIF0 */ + SMBUS, /* SMBUS */ + RTC, /* RTC Alarm */ + AX88796, /* Ethernet controller */ + PSW, /* Push Switch */ + + /* external bus connector */ + EXT1, EXT2, EXT4, EXT5, EXT6, +}; + +static struct intc_vect vectors[] __initdata = { + INTC_IRQ(CF, IRQ_CF), + INTC_IRQ(TP, IRQ_TP), + INTC_IRQ(SCIF1, IRQ_SCIF1), + INTC_IRQ(SCIF0, IRQ_SCIF0), + INTC_IRQ(SMBUS, IRQ_SMBUS), + INTC_IRQ(RTC, IRQ_RTC), + INTC_IRQ(AX88796, IRQ_AX88796), + INTC_IRQ(PSW, IRQ_PSW), + + INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2), + INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5), + INTC_IRQ(EXT6, IRQ_EXT6), +}; + +static struct intc_mask_reg mask_registers[] __initdata = { + { 0xa4000000, 0, 16, /* IRLMSK */ + { SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS, + 0, EXT6, EXT5, EXT4, EXT2, EXT1, PSW, AX88796 } }, +}; + +static unsigned char irl2irq[HL_NR_IRL] __initdata = { + 0, IRQ_CF, IRQ_TP, IRQ_SCIF1, + IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6, + IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, IRQ_EXT1, + 0, IRQ_AX88796, IRQ_PSW, +}; + +static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors, + NULL, mask_registers, NULL, NULL); + +unsigned char * __init highlander_plat_irq_setup(void) +{ + if ((__raw_readw(0xa4000700) & 0xf000) == 0x2000) { + printk(KERN_INFO "Using r7780mp interrupt controller.\n"); + register_intc_controller(&intc_desc); + return irl2irq; + } + + return NULL; +} |