summaryrefslogtreecommitdiffstats
path: root/arch/sh/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/drivers')
-rw-r--r--arch/sh/drivers/dma/dma-sh.c42
-rw-r--r--arch/sh/drivers/pci/ops-r7780rp.c2
-rw-r--r--arch/sh/drivers/pci/ops-rts7751r2d.c24
3 files changed, 37 insertions, 31 deletions
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index d8ece20bb2cf..660786013350 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -19,23 +19,34 @@
#include <asm/io.h>
#include "dma-sh.h"
-static inline unsigned int get_dmte_irq(unsigned int chan)
-{
- unsigned int irq = 0;
+
+#ifdef CONFIG_CPU_SH4
+static struct ipr_data dmae_ipr_map[] = {
+ { DMAE_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+};
+#endif
+static struct ipr_data dmte_ipr_map[] = {
/*
* Normally we could just do DMTE0_IRQ + chan outright, though in the
* case of the 7751R, the DMTE IRQs for channels > 4 start right above
* the SCIF
*/
- if (chan < 4) {
- irq = DMTE0_IRQ + chan;
- } else {
-#ifdef DMTE4_IRQ
- irq = DMTE4_IRQ + chan - 4;
-#endif
- }
+ { DMTE0_IRQ + 0, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+ { DMTE0_IRQ + 1, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+ { DMTE0_IRQ + 2, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+ { DMTE0_IRQ + 3, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+ { DMTE4_IRQ + 0, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+ { DMTE4_IRQ + 1, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+ { DMTE4_IRQ + 2, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+ { DMTE4_IRQ + 3, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+};
+static inline unsigned int get_dmte_irq(unsigned int chan)
+{
+ unsigned int irq = 0;
+ if (chan < ARRAY_SIZE(dmte_ipr_map))
+ irq = dmte_ipr_map[chan].irq;
return irq;
}
@@ -258,17 +269,16 @@ static int __init sh_dmac_init(void)
int i;
#ifdef CONFIG_CPU_SH4
- make_ipr_irq(DMAE_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+ make_ipr_irq(dmae_ipr_map, ARRAY_SIZE(dmae_ipr_map));
i = request_irq(DMAE_IRQ, dma_err, IRQF_DISABLED, "DMAC Address Error", 0);
if (unlikely(i < 0))
return i;
#endif
- for (i = 0; i < info->nr_channels; i++) {
- int irq = get_dmte_irq(i);
-
- make_ipr_irq(irq, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
- }
+ i = info->nr_channels;
+ if (i > ARRAY_SIZE(dmte_ipr_map))
+ i = ARRAY_SIZE(dmte_ipr_map);
+ make_ipr_irq(dmte_ipr_map, i);
/*
* Initialize DMAOR, and clean up any error flags that may have
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
index 6e3ba9c65b40..eeea1577e112 100644
--- a/arch/sh/drivers/pci/ops-r7780rp.c
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -13,7 +13,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pci.h>
-#include <asm/r7780rp/r7780rp.h>
+#include <asm/r7780rp.h>
#include <asm/io.h>
#include "pci-sh4.h"
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c
index b68824c8b81e..4a518d948049 100644
--- a/arch/sh/drivers/pci/ops-rts7751r2d.c
+++ b/arch/sh/drivers/pci/ops-rts7751r2d.c
@@ -10,28 +10,24 @@
*
* PCI initialization for the Renesas SH7751R RTS7751R2D board
*/
-
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
-#include <linux/delay.h>
#include <linux/pci.h>
-#include <linux/module.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
-#include <asm/io.h>
+#include <linux/io.h>
+#include <asm/rts7751r2d.h>
#include "pci-sh4.h"
+static u8 rts7751r2d_irq_tab[] __initdata = {
+ IRQ_PCISLOT1,
+ IRQ_PCISLOT2,
+ IRQ_PCMCIA,
+ IRQ_PCIETH,
+};
+
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
- switch (slot) {
- case 0: return IRQ_PCISLOT1; /* PCI Extend slot #1 */
- case 1: return IRQ_PCISLOT2; /* PCI Extend slot #2 */
- case 2: return IRQ_PCMCIA; /* PCI Cardbus Bridge */
- case 3: return IRQ_PCIETH; /* Realtek Ethernet controller */
- default:
- printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
- return -1;
- }
+ return rts7751r2d_irq_tab[slot];
}
static struct resource sh7751_io_resource = {
OpenPOWER on IntegriCloud