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-rw-r--r--arch/mips/alchemy/devboards/pb1550/platform.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/pb1550/platform.c b/arch/mips/alchemy/devboards/pb1550/platform.c
index 0c5711fa073..a4604b8a349 100644
--- a/arch/mips/alchemy/devboards/pb1550/platform.c
+++ b/arch/mips/alchemy/devboards/pb1550/platform.c
@@ -18,9 +18,11 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-pb1x00/pb1550.h>
#include <asm/mach-db1x00/bcsr.h>
@@ -69,6 +71,36 @@ static struct platform_device pb1550_pci_host = {
.resource = alchemy_pci_host_res,
};
+static struct resource au1550_psc2_res[] = {
+ [0] = {
+ .start = AU1550_PSC2_PHYS_ADDR,
+ .end = AU1550_PSC2_PHYS_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1550_PSC2_INT,
+ .end = AU1550_PSC2_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AU1550_DSCR_CMD0_PSC2_TX,
+ .end = AU1550_DSCR_CMD0_PSC2_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = AU1550_DSCR_CMD0_PSC2_RX,
+ .end = AU1550_DSCR_CMD0_PSC2_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device pb1550_i2c_dev = {
+ .name = "au1xpsc_smbus",
+ .id = 0, /* bus number */
+ .num_resources = ARRAY_SIZE(au1550_psc2_res),
+ .resource = au1550_psc2_res,
+};
+
static int __init pb1550_dev_init(void)
{
int swapped;
@@ -101,6 +133,7 @@ static int __init pb1550_dev_init(void)
swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT;
db1x_register_norflash(128 * 1024 * 1024, 4, swapped);
platform_device_register(&pb1550_pci_host);
+ platform_device_register(&pb1550_i2c_dev);
return 0;
}