blackfin: Add STMMAC platform data to enable dwmac1000 driver on BF60x.

- Enable GMAC
- Set propler DMA PBL
- Disable DMA store and forward mode
- Select PTP input clock from MII
clock.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>

2 files changed, 26 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf609/boards/ezkit.c b/arch/blackfin/mach-bf609/boards/ezkit.c
index d4dcbab70bb7..d56a55ad83a7 100644
--- a/arch/blackfin/mach-bf609/boards/ezkit.c
+++ b/arch/blackfin/mach-bf609/boards/ezkit.c
@@ -104,6 +104,7 @@ static struct platform_device bfin_rotary_device = {
 
 #if defined(CONFIG_STMMAC_ETH) || defined(CONFIG_STMMAC_ETH_MODULE)
 #include <linux/stmmac.h>
+#include <linux/phy.h>
 
 static unsigned short pins[] = P_RMII0;
 
@@ -111,11 +112,26 @@ static struct stmmac_mdio_bus_data phy_private_data = {
         .phy_mask = 1,
 };
 
+static struct stmmac_dma_cfg eth_dma_cfg = {
+        .pbl    = 2,
+};
+
+int stmmac_ptp_clk_init(struct platform_device *pdev)
+{
+        bfin_write32(PADS0_EMAC_PTP_CLKSEL, 0);
+        return 0;
+}
+
 static struct plat_stmmacenet_data eth_private_data = {
+        .has_gmac = 1,
         .bus_id   = 0,
         .enh_desc = 1,
         .phy_addr = 1,
         .mdio_bus_data = &phy_private_data,
+        .dma_cfg  = &eth_dma_cfg,
+        .force_thresh_dma_mode = 1,
+        .interface = PHY_INTERFACE_MODE_RMII,
+        .init = stmmac_ptp_clk_init,
 };
 
 static struct platform_device bfin_eth_device = {
diff --git a/arch/blackfin/mach-bf609/include/mach/defBF60x_base.h b/arch/blackfin/mach-bf609/include/mach/defBF60x_base.h
index f1a6afae1a71..35caa7bc192c 100644
--- a/arch/blackfin/mach-bf609/include/mach/defBF60x_base.h
+++ b/arch/blackfin/mach-bf609/include/mach/defBF60x_base.h
@@ -839,6 +839,16 @@
 #define PORTG_LOCK                  0xFFC03344         /* PORTG Port x GPIO Lock Register */
 #define PORTG_REVID                 0xFFC0337C         /* PORTG Port x GPIO Revision ID */
 
+/* ==================================================
+        Pads Controller Registers
+   ================================================== */
+
+/* =========================
+        PADS0
+   ========================= */
+#define PADS0_EMAC_PTP_CLKSEL       0xFFC03404         /* PADS0 Clock Selection for EMAC and PTP */
+#define PADS0_TWI_VSEL              0xFFC03408         /* PADS0 TWI Voltage Selection */
+#define PADS0_PORTS_HYST            0xFFC03440         /* PADS0 Hysteresis Enable Register */
 
 /* =========================
         PINT Registers