diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c
index 70c8af9..79442c3 100644
--- a/drivers/spi/spi-sh.c
+++ b/drivers/spi/spi-sh.c
@@ -92,17 +92,26 @@
 	unsigned long cr1;
 	wait_queue_head_t wait;
 	spinlock_t lock;
+	int width;
 };
 
 static void spi_sh_write(struct spi_sh_data *ss, unsigned long data,
 			     unsigned long offset)
 {
-	writel(data, ss->addr + offset);
+	if (ss->width == 8)
+		iowrite8(data, ss->addr + (offset >> 2));
+	else if (ss->width == 32)
+		iowrite32(data, ss->addr + offset);
 }
 
 static unsigned long spi_sh_read(struct spi_sh_data *ss, unsigned long offset)
 {
-	return readl(ss->addr + offset);
+	if (ss->width == 8)
+		return ioread8(ss->addr + (offset >> 2));
+	else if (ss->width == 32)
+		return ioread32(ss->addr + offset);
+	else
+		return 0;
 }
 
 static void spi_sh_set_bit(struct spi_sh_data *ss, unsigned long val,
@@ -464,6 +473,18 @@
 	ss = spi_master_get_devdata(master);
 	dev_set_drvdata(&pdev->dev, ss);
 
+	switch (res->flags & IORESOURCE_MEM_TYPE_MASK) {
+	case IORESOURCE_MEM_8BIT:
+		ss->width = 8;
+		break;
+	case IORESOURCE_MEM_32BIT:
+		ss->width = 32;
+		break;
+	default:
+		dev_err(&pdev->dev, "No support width\n");
+		ret = -ENODEV;
+		goto error1;
+	}
 	ss->irq = irq;
 	ss->master = master;
 	ss->addr = ioremap(res->start, resource_size(res));