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authorPaul Mundt <lethal@linux-sh.org>2007-02-14 15:06:09 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-02-14 15:06:09 +0900
commite65fa9f59e9230b72ac298d445b4a18a4eefeb34 (patch)
tree402036274b557da72a93b17fffc95f41c3137704 /arch/sh/boards/ec3104/irq.c
parent71074d3a2c70aa8a213222fef5014bfd9b3daf1f (diff)
sh: Kill off dead bigsur and ec3104 boards.
Neither of these have had any maintenance in years, and there's no interest in keeping them straggling along. These have already been slated for removal some time, so finally just get rid of them. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/ec3104/irq.c')
-rw-r--r--arch/sh/boards/ec3104/irq.c196
1 files changed, 0 insertions, 196 deletions
diff --git a/arch/sh/boards/ec3104/irq.c b/arch/sh/boards/ec3104/irq.c
deleted file mode 100644
index ffa4ff1f090..00000000000
--- a/arch/sh/boards/ec3104/irq.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * linux/arch/sh/boards/ec3104/irq.c
- * EC3104 companion chip support
- *
- * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
- *
- */
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/ec3104/ec3104.h>
-
-/* This is for debugging mostly; here's the table that I intend to keep
- * in here:
- *
- * index function base addr power interrupt bit
- * 0 power b0ec0000 --- 00000001 (unused)
- * 1 irqs b0ec1000 --- 00000002 (unused)
- * 2 ?? b0ec2000 b0ec0008 00000004
- * 3 PS2 (1) b0ec3000 b0ec000c 00000008
- * 4 PS2 (2) b0ec4000 b0ec0010 00000010
- * 5 ?? b0ec5000 b0ec0014 00000020
- * 6 I2C b0ec6000 b0ec0018 00000040
- * 7 serial (1) b0ec7000 b0ec001c 00000080
- * 8 serial (2) b0ec8000 b0ec0020 00000100
- * 9 serial (3) b0ec9000 b0ec0024 00000200
- * 10 serial (4) b0eca000 b0ec0028 00000400
- * 12 GPIO (1) b0ecc000 b0ec0030
- * 13 GPIO (2) b0ecc000 b0ec0030
- * 16 pcmcia (1) b0ed0000 b0ec0040 00010000
- * 17 pcmcia (2) b0ed1000 b0ec0044 00020000
- */
-
-/* I used the register names from another interrupt controller I worked with,
- * since it seems to be identical to the ec3104 except that all bits are
- * inverted:
- *
- * IRR: Interrupt Request Register (pending and enabled interrupts)
- * IMR: Interrupt Mask Register (which interrupts are enabled)
- * IPR: Interrupt Pending Register (pending interrupts, even disabled ones)
- *
- * 0 bits mean pending or enabled, 1 bits mean not pending or disabled. all
- * IRQs seem to be level-triggered.
- */
-
-#define EC3104_IRR (EC3104_BASE + 0x1000)
-#define EC3104_IMR (EC3104_BASE + 0x1004)
-#define EC3104_IPR (EC3104_BASE + 0x1008)
-
-#define ctrl_readl(addr) (*(volatile u32 *)(addr))
-#define ctrl_writel(data,addr) (*(volatile u32 *)(addr) = (data))
-#define ctrl_readb(addr) (*(volatile u8 *)(addr))
-
-static char *ec3104_name(unsigned index)
-{
- switch(index) {
- case 0:
- return "power management";
- case 1:
- return "interrupts";
- case 3:
- return "PS2 (1)";
- case 4:
- return "PS2 (2)";
- case 5:
- return "I2C (1)";
- case 6:
- return "I2C (2)";
- case 7:
- return "serial (1)";
- case 8:
- return "serial (2)";
- case 9:
- return "serial (3)";
- case 10:
- return "serial (4)";
- case 16:
- return "pcmcia (1)";
- case 17:
- return "pcmcia (2)";
- default: {
- static char buf[32];
-
- sprintf(buf, "unknown (%d)", index);
-
- return buf;
- }
- }
-}
-
-int get_pending_interrupts(char *buf)
-{
- u32 ipr;
- u32 bit;
- char *p = buf;
-
- p += sprintf(p, "pending: (");
-
- ipr = ctrl_inl(EC3104_IPR);
-
- for (bit = 1; bit < 32; bit++)
- if (!(ipr & (1<<bit)))
- p += sprintf(p, "%s ", ec3104_name(bit));
-
- p += sprintf(p, ")\n");
-
- return p - buf;
-}
-
-static inline u32 ec3104_irq2mask(unsigned int irq)
-{
- return (1 << (irq - EC3104_IRQBASE));
-}
-
-static inline void mask_ec3104_irq(unsigned int irq)
-{
- u32 mask;
-
- mask = ctrl_readl(EC3104_IMR);
-
- mask |= ec3104_irq2mask(irq);
-
- ctrl_writel(mask, EC3104_IMR);
-}
-
-static inline void unmask_ec3104_irq(unsigned int irq)
-{
- u32 mask;
-
- mask = ctrl_readl(EC3104_IMR);
-
- mask &= ~ec3104_irq2mask(irq);
-
- ctrl_writel(mask, EC3104_IMR);
-}
-
-static void disable_ec3104_irq(unsigned int irq)
-{
- mask_ec3104_irq(irq);
-}
-
-static void enable_ec3104_irq(unsigned int irq)
-{
- unmask_ec3104_irq(irq);
-}
-
-static void mask_and_ack_ec3104_irq(unsigned int irq)
-{
- mask_ec3104_irq(irq);
-}
-
-static void end_ec3104_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- unmask_ec3104_irq(irq);
-}
-
-static unsigned int startup_ec3104_irq(unsigned int irq)
-{
- unmask_ec3104_irq(irq);
-
- return 0;
-}
-
-static void shutdown_ec3104_irq(unsigned int irq)
-{
- mask_ec3104_irq(irq);
-
-}
-
-static struct hw_interrupt_type ec3104_int = {
- .typename = "EC3104",
- .enable = enable_ec3104_irq,
- .disable = disable_ec3104_irq,
- .ack = mask_and_ack_ec3104_irq,
- .end = end_ec3104_irq,
- .startup = startup_ec3104_irq,
- .shutdown = shutdown_ec3104_irq,
-};
-
-/* Yuck. the _demux API is ugly */
-int ec3104_irq_demux(int irq)
-{
- if (irq == EC3104_IRQ) {
- unsigned int mask;
-
- mask = ctrl_readl(EC3104_IRR);
-
- if (mask == 0xffffffff)
- return EC3104_IRQ;
- else
- return EC3104_IRQBASE + ffz(mask);
- }
-
- return irq;
-}