diff options
| -rw-r--r-- | board/bf537-stamp/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/bfin_mac.c (renamed from board/bf537-stamp/ether_bf537.c) | 166 | ||||
| -rw-r--r-- | drivers/net/bfin_mac.h (renamed from board/bf537-stamp/ether_bf537.h) | 32 |
4 files changed, 97 insertions, 104 deletions
diff --git a/board/bf537-stamp/Makefile b/board/bf537-stamp/Makefile index cdffc333ebf..5d223933715 100644 --- a/board/bf537-stamp/Makefile +++ b/board/bf537-stamp/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := $(BOARD).o ether_bf537.o post-memory.o stm_m25p64.o cmd_bf537led.o nand.o +COBJS := $(BOARD).o post-memory.o stm_m25p64.o cmd_bf537led.o nand.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/drivers/net/Makefile b/drivers/net/Makefile index b9723fa78f2..321bd08adb6 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -27,6 +27,7 @@ LIB := $(obj)libnet.a COBJS-y += 3c589.o COBJS-y += bcm570x.o bcm570x_autoneg.o 5701rls.o +COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o COBJS-y += cs8900.o COBJS-y += dc2114x.o COBJS-y += dm9000x.o diff --git a/board/bf537-stamp/ether_bf537.c b/drivers/net/bfin_mac.c index 6c514c6609e..afe122a3375 100644 --- a/board/bf537-stamp/ether_bf537.c +++ b/drivers/net/bfin_mac.c @@ -1,39 +1,24 @@ /* - * ADI Blackfin 537 MAC Ethernet + * Driver for Blackfin On-Chip MAC device * - * Copyright (c) 2005 Analog Device, Inc. + * Copyright (c) 2005-2008 Analog Device, Inc. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * Licensed under the GPL-2 or later. */ #include <common.h> #include <config.h> -#include <asm/blackfin.h> #include <net.h> #include <command.h> #include <malloc.h> -#include "ether_bf537.h" +#include <asm/blackfin.h> #include <asm/mach-common/bits/dma.h> #include <asm/mach-common/bits/emac.h> #include <asm/mach-common/bits/pll.h> +#include "bfin_mac.h" + #ifdef CONFIG_POST #include <post.h> #endif @@ -41,66 +26,50 @@ #undef DEBUG_ETHERNET #ifdef DEBUG_ETHERNET -#define DEBUGF(fmt,args...) printf(fmt,##args) +#define DEBUGF(fmt, args...) printf(fmt, ##args) #else -#define DEBUGF(fmt,args...) +#define DEBUGF(fmt, args...) #endif -#if defined(CONFIG_CMD_NET) - #define RXBUF_BASE_ADDR 0xFF900000 #define TXBUF_BASE_ADDR 0xFF800000 #define TX_BUF_CNT 1 -#define TOUT_LOOP 1000000 +#define TOUT_LOOP 1000000 ADI_ETHER_BUFFER *txbuf[TX_BUF_CNT]; ADI_ETHER_BUFFER *rxbuf[PKTBUFSRX]; static u16 txIdx; /* index of the current RX buffer */ static u16 rxIdx; /* index of the current TX buffer */ -u8 SrcAddr[6]; u16 PHYregs[NO_PHY_REGS]; /* u16 PHYADDR; */ /* DMAx_CONFIG values at DMA Restart */ -const ADI_DMA_CONFIG_REG rxdmacfg = { 1, 1, 2, 0, 0, 0, 0, 5, 7 }; - -#if 0 - rxdmacfg.b_DMA_EN = 1; /* enabled */ - rxdmacfg.b_WNR = 1; /* write to memory */ - rxdmacfg.b_WDSIZE = 2; /* wordsize is 32 bits */ - rxdmacfg.b_DMA2D = 0; /* N/A */ - rxdmacfg.b_RESTART= 0; /* N/A */ - rxdmacfg.b_DI_SEL = 0; /* N/A */ - rxdmacfg.b_DI_EN = 0; /* no interrupt */ - rxdmacfg.b_NDSIZE = 5; /* 5 half words is desc size. */ - rxdmacfg.b_FLOW = 7; /* large desc flow */ -#endif - -const ADI_DMA_CONFIG_REG txdmacfg = { 1, 0, 2, 0, 0, 0, 0, 5, 7 }; - -#if 0 - txdmacfg.b_DMA_EN = 1; /* enabled */ - txdmacfg.b_WNR = 0; /* read from memory */ - txdmacfg.b_WDSIZE = 2; /* wordsize is 32 bits */ - txdmacfg.b_DMA2D = 0; /* N/A */ - txdmacfg.b_RESTART= 0; /* N/A */ - txdmacfg.b_DI_SEL = 0; /* N/A */ - txdmacfg.b_DI_EN = 0; /* no interrupt */ - txdmacfg.b_NDSIZE = 5; /* 5 half words is desc size. */ - txdmacfg.b_FLOW = 7; /* large desc flow */ -#endif - -ADI_ETHER_BUFFER *SetupRxBuffer(int no); -ADI_ETHER_BUFFER *SetupTxBuffer(int no); - -static int bfin_EMAC_init(struct eth_device *dev, bd_t * bd); -static void bfin_EMAC_halt(struct eth_device *dev); -static int bfin_EMAC_send(struct eth_device *dev, volatile void *packet, - int length); -static int bfin_EMAC_recv(struct eth_device *dev); - -int bfin_EMAC_initialize(bd_t * bis) +const ADI_DMA_CONFIG_REG rxdmacfg = { + .b_DMA_EN = 1, /* enabled */ + .b_WNR = 1, /* write to memory */ + .b_WDSIZE = 2, /* wordsize is 32 bits */ + .b_DMA2D = 0, + .b_RESTART = 0, + .b_DI_SEL = 0, + .b_DI_EN = 0, /* no interrupt */ + .b_NDSIZE = 5, /* 5 half words is desc size */ + .b_FLOW = 7 /* large desc flow */ +}; + +const ADI_DMA_CONFIG_REG txdmacfg = { + .b_DMA_EN = 1, /* enabled */ + .b_WNR = 0, /* read from memory */ + .b_WDSIZE = 2, /* wordsize is 32 bits */ + .b_DMA2D = 0, + .b_RESTART = 0, + .b_DI_SEL = 0, + .b_DI_EN = 0, /* no interrupt */ + .b_NDSIZE = 5, /* 5 half words is desc size */ + .b_FLOW = 7 /* large desc flow */ +}; + +int bfin_EMAC_initialize(bd_t *bis) { struct eth_device *dev; dev = (struct eth_device *)malloc(sizeof(*dev)); @@ -108,7 +77,7 @@ int bfin_EMAC_initialize(bd_t * bis) hang(); memset(dev, 0, sizeof(*dev)); - sprintf(dev->name, "BF537 ETHERNET"); + sprintf(dev->name, "Blackfin EMAC"); dev->iobase = 0; dev->priv = 0; @@ -165,7 +134,7 @@ static int bfin_EMAC_send(struct eth_device *dev, volatile void *packet, txIdx = 0; else txIdx++; - out: + out: DEBUGF("BFIN EMAC send: length = %d\n", length); return result; } @@ -212,7 +181,7 @@ static int bfin_EMAC_recv(struct eth_device *dev) * *************************************************************/ -static int bfin_EMAC_init(struct eth_device *dev, bd_t * bd) +static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd) { u32 opmode; int dat; @@ -227,7 +196,7 @@ static int bfin_EMAC_init(struct eth_device *dev, bd_t * bd) return -1; /* Initialize EMAC address */ - SetupMacAddr(SrcAddr); + bfin_EMAC_setup_addr(bd); /* Initialize TX and RX buffer */ for (i = 0; i < PKTBUFSRX; i++) { @@ -289,37 +258,25 @@ static void bfin_EMAC_halt(struct eth_device *dev) } -void SetupMacAddr(u8 * MACaddr) +void bfin_EMAC_setup_addr(bd_t *bd) { - char *tmp, *end; - int i; - /* this depends on a little-endian machine */ - tmp = getenv("ethaddr"); - if (tmp) { - for (i = 0; i < 6; i++) { - MACaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; - if (tmp) - tmp = (*end) ? end + 1 : end; - } - -#ifndef CONFIG_NETCONSOLE - printf("Using MAC Address %02X:%02X:%02X:%02X:%02X:%02X\n", - MACaddr[0], MACaddr[1], - MACaddr[2], MACaddr[3], MACaddr[4], MACaddr[5]); -#endif - *pEMAC_ADDRLO = MACaddr[0] | MACaddr[1] << 8 | - MACaddr[2] << 16 | MACaddr[3] << 24; - *pEMAC_ADDRHI = MACaddr[4] | MACaddr[5] << 8; - } + *pEMAC_ADDRLO = + bd->bi_enetaddr[0] | + bd->bi_enetaddr[1] << 8 | + bd->bi_enetaddr[2] << 16 | + bd->bi_enetaddr[3] << 24; + *pEMAC_ADDRHI = + bd->bi_enetaddr[4] | + bd->bi_enetaddr[5] << 8; } -void PollMdcDone(void) +static void PollMdcDone(void) { /* poll the STABUSY bit */ while (*pEMAC_STAADD & STABUSY) ; } -void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data) +static void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data) { PollMdcDone(); @@ -332,7 +289,7 @@ void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data) /********************************************************************************* * Read an off-chip register in a PHY through the MDC/MDIO port * *********************************************************************************/ -u16 RdPHYReg(u16 PHYAddr, u16 RegAddr) +static u16 RdPHYReg(u16 PHYAddr, u16 RegAddr) { u16 Data; @@ -350,7 +307,8 @@ u16 RdPHYReg(u16 PHYAddr, u16 RegAddr) return Data; } -void SoftResetPHY(void) +#if 0 /* dead code ? */ +static void SoftResetPHY(void) { u16 phydat; /* set the reset bit */ @@ -362,13 +320,30 @@ void SoftResetPHY(void) phydat = RdPHYReg(PHYADDR, PHY_MODECTL); } while ((phydat & PHY_RESET) != 0); } +#endif -int SetupSystemRegs(int *opmode) +static int SetupSystemRegs(int *opmode) { u16 sysctl, phydat; int count = 0; /* Enable PHY output */ *pVR_CTL |= CLKBUFOE; + /* Set all the pins to peripheral mode */ + +#ifndef CONFIG_BFIN_MAC_RMII + *pPORTH_FER = 0xFFFF; +#ifdef __ADSPBF52x__ + *pPORTH_MUX = PORT_x_MUX_0_FUNC_2 | PORT_x_MUX_1_FUNC_2 | PORT_x_MUX_2_FUNC_2; +#endif +#else +#if defined(__ADSPBF536__) || defined(__ADSPBF537__) + *pPORTH_FER = 0xC373; +#endif +#ifdef __ADSPBF52x__ + *pPORTH_FER = 0x01FF; + *pPORTH_MUX = PORT_x_MUX_0_FUNC_2 | PORT_x_MUX_1_FUNC_2; +#endif +#endif /* MDC = 2.5 MHz */ sysctl = SET_MDCDIV(24); /* Odd word alignment for Receive Frame DMA word */ @@ -546,4 +521,3 @@ int ether_post_test(int flags) return 0; } #endif -#endif diff --git a/board/bf537-stamp/ether_bf537.h b/drivers/net/bfin_mac.h index 22fc392ddca..c8a94d0c9ff 100644 --- a/board/bf537-stamp/ether_bf537.h +++ b/drivers/net/bfin_mac.h @@ -1,3 +1,14 @@ +/* + * bfin_mac.h - some defines/structures for the Blackfin on-chip MAC. + * + * Copyright (c) 2005-2008 Analog Device, Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __BFIN_MAC_H__ +#define __BFIN_MAC_H__ + #define PHYADDR 0x01 #define NO_PHY_REGS 0x20 @@ -60,12 +71,19 @@ typedef struct adi_ether_buffer { } ADI_ETHER_BUFFER; /* 40 bytes/struct in 44 bytes */ -void SetupMacAddr(u8 * MACaddr); +static ADI_ETHER_BUFFER *SetupRxBuffer(int no); +static ADI_ETHER_BUFFER *SetupTxBuffer(int no); + +static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd); +static void bfin_EMAC_halt(struct eth_device *dev); +static int bfin_EMAC_send(struct eth_device *dev, volatile void *packet, int length); +static int bfin_EMAC_recv(struct eth_device *dev); + +static void PollMdcDone(void); +static void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data); +static u16 RdPHYReg(u16 PHYAddr, u16 RegAddr); +static int SetupSystemRegs(int *opmode); -void PollMdcDone(void); -void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data); -u16 RdPHYReg(u16 PHYAddr, u16 RegAddr); -void SoftResetPHY(void); -void DumpPHYRegs(void); +static void bfin_EMAC_setup_addr(bd_t *bd); -int SetupSystemRegs(int *opmode); +#endif |