CS89x0 : add CS89x0 platform device to the iMX31ADS board
Add CS89x0 networking support to the iMX31ADS board by using the
platform driver support in the CS89x0 driver.
Signed-off-by: Jaccon Bastiaansen <jaccon.bastiaansen@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index 4917aab..4518e54 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -28,7 +28,6 @@
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <mach/common.h>
-#include <mach/board-mx31ads.h>
#include <mach/iomux-mx3.h>
#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
@@ -39,6 +38,9 @@
#include "devices-imx31.h"
+/* Base address of PBC controller */
+#define PBC_BASE_ADDRESS MX31_CS4_BASE_ADDR_VIRT
+
/* PBC Board interrupt status register */
#define PBC_INTSTATUS 0x000016
@@ -62,6 +64,7 @@
#define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS)
#define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_4)
+#define MXC_EXP_IO_BASE MXC_BOARD_IRQ_START
#define MXC_IRQ_TO_EXPIO(irq) ((irq) - MXC_EXP_IO_BASE)
#define EXPIO_INT_XUART_INTA (MXC_EXP_IO_BASE + 10)
@@ -69,6 +72,10 @@
#define MXC_MAX_EXP_IO_LINES 16
+/* CS8900 */
+#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8)
+#define CS4_CS8900_MMIO_START 0x20000
+
/*
* The serial port definition structure.
*/
@@ -101,11 +108,29 @@
},
};
+static const struct resource mx31ads_cs8900_resources[] __initconst = {
+ DEFINE_RES_MEM(MX31_CS4_BASE_ADDR + CS4_CS8900_MMIO_START, SZ_64K),
+ DEFINE_RES_IRQ(EXPIO_INT_ENET_INT),
+};
+
+static const struct platform_device_info mx31ads_cs8900_devinfo __initconst = {
+ .name = "cs89x0",
+ .id = 0,
+ .res = mx31ads_cs8900_resources,
+ .num_res = ARRAY_SIZE(mx31ads_cs8900_resources),
+};
+
static int __init mxc_init_extuart(void)
{
return platform_device_register(&serial_device);
}
+static void __init mxc_init_ext_ethernet(void)
+{
+ platform_device_register_full(
+ (struct platform_device_info *)&mx31ads_cs8900_devinfo);
+}
+
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
@@ -492,12 +517,15 @@
mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
}
-/* static mappings */
+/*
+ * Static mappings, starting from the CS4 start address up to the start address
+ * of the CS8900.
+ */
static struct map_desc mx31ads_io_desc[] __initdata = {
{
.virtual = MX31_CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
- .length = MX31_CS4_SIZE / 2,
+ .length = CS4_CS8900_MMIO_START,
.type = MT_DEVICE
},
};
@@ -522,6 +550,7 @@
mxc_init_imx_uart();
mxc_init_i2c();
mxc_init_audio();
+ mxc_init_ext_ethernet();
}
static void __init mx31ads_timer_init(void)