Minimal support of the Ethernet interface on the P2020RDB board. Only
the eTSEC3 interface is supported.
Signed-off-by: Renaud Barbier <renaud.barbier@xxxxxx>
---
arch/ppc/boards/freescale-p2020rdb/p2020rdb.c | 38 +++++++++++++++++++++++++
arch/ppc/configs/p2020rdb_defconfig | 6 ++++
2 files changed, 44 insertions(+), 0 deletions(-)
diff --git a/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c b/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
index 20897cb..201220f 100644
--- a/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
+++ b/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
@@ -35,6 +35,7 @@
#include <mach/mmu.h>
#include <mach/immap_85xx.h>
#include <mach/clocks.h>
+#include <mach/gianfar.h>
#include <mach/early_udelay.h>
#define VSC7385_RST_SET 0x00080000
@@ -61,10 +62,47 @@
#define SYSCLK_50 50000000
#define SYSCLK_100 100000000
+/* Ethernet. Use eTSEC3 */
+static struct gfar_info_struct gfar_info[] = {
+ {
+ .phyaddr = 1,
+ .tbiana = 0,
+ .tbicr = 0,
+ .flags = 0,
+ },
+};
+
+static int board_eth_init(int num, int idx)
+{
+ struct resource *res;
+
+ res = xzalloc(3 * sizeof(struct resource));
+ /* TSEC interface registers */
+ res[0].start = GFAR_BASE_ADDR + ((num - 1) * 0x1000);
+ res[0].end = res[0].start + 0x1000;
+ res[0].flags = IORESOURCE_MEM;
+ /* External PHY access always through eTSEC1 */
+ res[1].start = MDIO_BASE_ADDR;
+ res[1].end = res[1].start + 0x1000;
+ res[1].flags = IORESOURCE_MEM;
+ /* Access to TBI/RTBI interface. */
+ res[2].start = MDIO_BASE_ADDR + ((num - 1) * 0x1000);
+ res[2].end = res[2].start + 0x1000;
+ res[2].flags = IORESOURCE_MEM;
+
+ add_generic_device_res("gfar", DEVICE_ID_DYNAMIC, res, 3,
+ &gfar_info[idx]);
+
+ return 0;
+}
+
static int devices_init(void)
{
add_cfi_flash_device(-1, CFG_FLASH_BASE, 16 << 20, 0);
+ /* eTSEC3 */
+ board_eth_init(3, 0);
+
devfs_add_partition("nor0", 0xf80000, 0x80000, DEVFS_PARTITION_FIXED,
"self0");
return 0;
diff --git a/arch/ppc/configs/p2020rdb_defconfig b/arch/ppc/configs/p2020rdb_defconfig
index f8a0687..d025a40 100644
--- a/arch/ppc/configs/p2020rdb_defconfig
+++ b/arch/ppc/configs/p2020rdb_defconfig
@@ -21,3 +21,9 @@ CONFIG_MALLOC_SIZE=0x200000
CONFIG_BAUDRATE=115200
CONFIG_DRIVER_SERIAL_NS16550=y
CONFIG_RELOCATABLE=y
+CONFIG_DRIVER_NET_GIANFAR=y
+CONFIG_NET=y
+CONFIG_NET_PING=y
+CONFIG_NET_TFTP=y
+CONFIG_PING=y
+CONFIG_TFTP=y
--
1.7.1
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