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-rw-r--r--arch/sh/drivers/dma/Kconfig1
-rw-r--r--arch/sh/drivers/dma/dma-sh.c13
-rw-r--r--arch/sh/drivers/heartbeat.c70
-rw-r--r--arch/sh/drivers/pci/ops-rts7751r2d.c8
-rw-r--r--arch/sh/drivers/pci/pci-sh7780.c13
5 files changed, 66 insertions, 39 deletions
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index ee711431e50..4e711a0c3da 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -12,6 +12,7 @@ config SH_DMA
config NR_ONCHIP_DMA_CHANNELS
int
depends on SH_DMA
+ default "6" if CPU_SUBTYPE_SH7720
default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R
default "12" if CPU_SUBTYPE_SH7780
default "4"
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 06ed0609a95..958bac1c585 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -24,13 +24,19 @@ static int dmte_irq_map[] = {
DMTE1_IRQ,
DMTE2_IRQ,
DMTE3_IRQ,
-#if defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
defined(CONFIG_CPU_SUBTYPE_SH7760) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7709) || \
defined(CONFIG_CPU_SUBTYPE_SH7780)
DMTE4_IRQ,
DMTE5_IRQ,
+#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7760) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7780)
DMTE6_IRQ,
- DMTE7_IRQ,
+ DMTE7_IRQ,
#endif
};
@@ -196,7 +202,8 @@ static int sh_dmac_get_dma_residue(struct dma_channel *chan)
return ctrl_inl(DMATCR[chan->chan]) << calc_xmit_shift(chan);
}
-#ifdef CONFIG_CPU_SUBTYPE_SH7780
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7780)
#define dmaor_read_reg() ctrl_inw(DMAOR)
#define dmaor_write_reg(data) ctrl_outw(data, DMAOR)
#else
diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c
index 10c1828c9ff..b76a14f12ce 100644
--- a/arch/sh/drivers/heartbeat.c
+++ b/arch/sh/drivers/heartbeat.c
@@ -24,24 +24,44 @@
#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/io.h>
+#include <asm/heartbeat.h>
#define DRV_NAME "heartbeat"
-#define DRV_VERSION "0.1.0"
+#define DRV_VERSION "0.1.1"
-struct heartbeat_data {
- void __iomem *base;
- unsigned char bit_pos[8];
- struct timer_list timer;
-};
+static unsigned char default_bit_pos[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
+
+static inline void heartbeat_toggle_bit(struct heartbeat_data *hd,
+ unsigned bit, unsigned int inverted)
+{
+ unsigned int new;
+
+ new = (1 << hd->bit_pos[bit]);
+ if (inverted)
+ new = ~new;
+
+ switch (hd->regsize) {
+ case 32:
+ iowrite32(new, hd->base);
+ break;
+ case 16:
+ iowrite16(new, hd->base);
+ break;
+ default:
+ iowrite8(new, hd->base);
+ break;
+ }
+}
static void heartbeat_timer(unsigned long data)
{
struct heartbeat_data *hd = (struct heartbeat_data *)data;
static unsigned bit = 0, up = 1;
- ctrl_outw(1 << hd->bit_pos[bit], (unsigned long)hd->base);
+ heartbeat_toggle_bit(hd, bit, hd->flags & HEARTBEAT_INVERTED);
+
bit += up;
- if ((bit == 0) || (bit == ARRAY_SIZE(hd->bit_pos)-1))
+ if ((bit == 0) || (bit == (hd->nr_bits)-1))
up = -up;
mod_timer(&hd->timer, jiffies + (110 - ((300 << FSHIFT) /
@@ -64,21 +84,31 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
return -EINVAL;
}
- hd = kmalloc(sizeof(struct heartbeat_data), GFP_KERNEL);
- if (unlikely(!hd))
- return -ENOMEM;
-
if (pdev->dev.platform_data) {
- memcpy(hd->bit_pos, pdev->dev.platform_data,
- ARRAY_SIZE(hd->bit_pos));
+ hd = pdev->dev.platform_data;
} else {
- int i;
+ hd = kzalloc(sizeof(struct heartbeat_data), GFP_KERNEL);
+ if (unlikely(!hd))
+ return -ENOMEM;
+ }
+
+ hd->base = ioremap_nocache(res->start, res->end - res->start + 1);
+ if (!unlikely(hd->base)) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+
+ if (!pdev->dev.platform_data)
+ kfree(hd);
+
+ return -ENXIO;
+ }
- for (i = 0; i < ARRAY_SIZE(hd->bit_pos); i++)
- hd->bit_pos[i] = i;
+ if (!hd->nr_bits) {
+ hd->bit_pos = default_bit_pos;
+ hd->nr_bits = ARRAY_SIZE(default_bit_pos);
}
- hd->base = (void __iomem *)(unsigned long)res->start;
+ if (!hd->regsize)
+ hd->regsize = 8; /* default access size */
setup_timer(&hd->timer, heartbeat_timer, (unsigned long)hd);
platform_set_drvdata(pdev, hd);
@@ -91,10 +121,12 @@ static int heartbeat_drv_remove(struct platform_device *pdev)
struct heartbeat_data *hd = platform_get_drvdata(pdev);
del_timer_sync(&hd->timer);
+ iounmap(hd->base);
platform_set_drvdata(pdev, NULL);
- kfree(hd);
+ if (!pdev->dev.platform_data)
+ kfree(hd);
return 0;
}
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c
index 4a518d94804..ec8430c8d2d 100644
--- a/arch/sh/drivers/pci/ops-rts7751r2d.c
+++ b/arch/sh/drivers/pci/ops-rts7751r2d.c
@@ -19,10 +19,10 @@
#include "pci-sh4.h"
static u8 rts7751r2d_irq_tab[] __initdata = {
- IRQ_PCISLOT1,
- IRQ_PCISLOT2,
- IRQ_PCMCIA,
- IRQ_PCIETH,
+ IRQ_PCI_INTA,
+ IRQ_PCI_INTB,
+ IRQ_PCI_INTC,
+ IRQ_PCI_INTD,
};
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index 5508e45d483..e516087fb43 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -79,19 +79,6 @@ static int __init sh7780_pci_init(void)
ctrl_outl(0xAAAA0000, INTC_ICR1);
/* INTPRI: priority=3(all) */
ctrl_outl(0x33333333, INTC_INTPRI);
- } else {
- /* INTC SH-4 Mode */
- ctrl_outl(0x00200000, INTC_ICR0);
- /* enable PCIINTA - PCIINTD */
- ctrl_outl(0x00078000, INTC_INT2MSKCR);
- /* disable IRL4-7 Interrupt */
- ctrl_outl(0x40000000, INTC_INTMSK1);
- /* disable IRL4-7 Interrupt */
- ctrl_outl(0x0000fffe, INTC_INTMSK2);
- /* enable IRL0-3 Interrupt */
- ctrl_outl(0x80000000, INTC_INTMSKCLR1);
- /* enable IRL0-3 Interrupt */
- ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
}
if ((ret = sh4_pci_check_direct()) != 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-01 23:52:00 +0000