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Diffstat (limited to 'arch/xtensa/variants/s6000/irq.c')
-rw-r--r--arch/xtensa/variants/s6000/irq.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/arch/xtensa/variants/s6000/irq.c b/arch/xtensa/variants/s6000/irq.c
deleted file mode 100644
index 81a241e79075..000000000000
--- a/arch/xtensa/variants/s6000/irq.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * s6000 irq crossbar
- *
- * Copyright (c) 2009 emlix GmbH
- * Authors: Johannes Weiner <hannes@cmpxchg.org>
- * Oskar Schirmer <oskar@scara.com>
- */
-#include <linux/io.h>
-#include <asm/irq.h>
-#include <variant/hardware.h>
-
-/* S6_REG_INTC */
-#define INTC_STATUS 0x000
-#define INTC_RAW 0x010
-#define INTC_STATUS_AG 0x100
-#define INTC_CFG(n) (0x200 + 4 * (n))
-
-/*
- * The s6000 has a crossbar that multiplexes interrupt output lines
- * from the peripherals to input lines on the xtensa core.
- *
- * We leave the mapping decisions to the platform as it depends on the
- * actually connected peripherals which distribution makes sense.
- */
-extern const signed char *platform_irq_mappings[NR_IRQS];
-
-static unsigned long scp_to_intc_enable[] = {
-#define TO_INTC_ENABLE(n) (((n) << 1) + 1)
- TO_INTC_ENABLE(0),
- TO_INTC_ENABLE(1),
- TO_INTC_ENABLE(2),
- TO_INTC_ENABLE(3),
- TO_INTC_ENABLE(4),
- TO_INTC_ENABLE(5),
- TO_INTC_ENABLE(6),
- TO_INTC_ENABLE(7),
- TO_INTC_ENABLE(8),
- TO_INTC_ENABLE(9),
- TO_INTC_ENABLE(10),
- TO_INTC_ENABLE(11),
- TO_INTC_ENABLE(12),
- -1,
- -1,
- TO_INTC_ENABLE(13),
- -1,
- TO_INTC_ENABLE(14),
- -1,
- TO_INTC_ENABLE(15),
-#undef TO_INTC_ENABLE
-};
-
-static void irq_set(unsigned int irq, int enable)
-{
- unsigned long en;
- const signed char *m = platform_irq_mappings[irq];
-
- if (!m)
- return;
- en = enable ? scp_to_intc_enable[irq] : 0;
- while (*m >= 0) {
- writel(en, S6_REG_INTC + INTC_CFG(*m));
- m++;
- }
-}
-
-void variant_irq_enable(unsigned int irq)
-{
- irq_set(irq, 1);
-}
-
-void variant_irq_disable(unsigned int irq)
-{
- irq_set(irq, 0);
-}