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

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- 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>
This commit is contained in:
Sonic Zhang 2013-08-15 14:08:05 +08:00 committed by Steven Miao
parent e57860929c
commit 1d899fd652
2 changed files with 26 additions and 0 deletions
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16
arch/blackfin/mach-bf609/boards/ezkit.c
View File

@ -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 = {

10
arch/blackfin/mach-bf609/include/mach/defBF60x_base.h
View File

@ -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