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path: root/drivers/irqchip/irq-renesas-h8300h.c
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Diffstat (limited to 'drivers/irqchip/irq-renesas-h8300h.c')
-rw-r--r--drivers/irqchip/irq-renesas-h8300h.c94
1 files changed, 0 insertions, 94 deletions
diff --git a/drivers/irqchip/irq-renesas-h8300h.c b/drivers/irqchip/irq-renesas-h8300h.c
deleted file mode 100644
index 1054d74b7edd..000000000000
--- a/drivers/irqchip/irq-renesas-h8300h.c
+++ /dev/null
@@ -1,94 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * H8/300H interrupt controller driver
- *
- * Copyright 2015 Yoshinori Sato <ysato@users.sourceforge.jp>
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/irqchip.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <asm/io.h>
-
-static const char ipr_bit[] = {
- 7, 6, 5, 5,
- 4, 4, 4, 4, 3, 3, 3, 3,
- 2, 2, 2, 2, 1, 1, 1, 1,
- 0, 0, 0, 0, 15, 15, 15, 15,
- 14, 14, 14, 14, 13, 13, 13, 13,
- -1, -1, -1, -1, 11, 11, 11, 11,
- 10, 10, 10, 10, 9, 9, 9, 9,
-};
-
-static void __iomem *intc_baseaddr;
-
-#define IPR (intc_baseaddr + 6)
-
-static void h8300h_disable_irq(struct irq_data *data)
-{
- int bit;
- int irq = data->irq - 12;
-
- bit = ipr_bit[irq];
- if (bit >= 0) {
- if (bit < 8)
- ctrl_bclr(bit & 7, IPR);
- else
- ctrl_bclr(bit & 7, (IPR+1));
- }
-}
-
-static void h8300h_enable_irq(struct irq_data *data)
-{
- int bit;
- int irq = data->irq - 12;
-
- bit = ipr_bit[irq];
- if (bit >= 0) {
- if (bit < 8)
- ctrl_bset(bit & 7, IPR);
- else
- ctrl_bset(bit & 7, (IPR+1));
- }
-}
-
-struct irq_chip h8300h_irq_chip = {
- .name = "H8/300H-INTC",
- .irq_enable = h8300h_enable_irq,
- .irq_disable = h8300h_disable_irq,
-};
-
-static int irq_map(struct irq_domain *h, unsigned int virq,
- irq_hw_number_t hw_irq_num)
-{
- irq_set_chip_and_handler(virq, &h8300h_irq_chip, handle_simple_irq);
-
- return 0;
-}
-
-static const struct irq_domain_ops irq_ops = {
- .map = irq_map,
- .xlate = irq_domain_xlate_onecell,
-};
-
-static int __init h8300h_intc_of_init(struct device_node *intc,
- struct device_node *parent)
-{
- struct irq_domain *domain;
-
- intc_baseaddr = of_iomap(intc, 0);
- BUG_ON(!intc_baseaddr);
-
- /* All interrupt priority low */
- writeb(0x00, IPR + 0);
- writeb(0x00, IPR + 1);
-
- domain = irq_domain_add_linear(intc, NR_IRQS, &irq_ops, NULL);
- BUG_ON(!domain);
- irq_set_default_host(domain);
- return 0;
-}
-
-IRQCHIP_DECLARE(h8300h_intc, "renesas,h8300h-intc", h8300h_intc_of_init);