diff options
| -rw-r--r-- | Makefile | 12 | ||||
| -rw-r--r-- | board/xilinx/xupv2p/Makefile | 21 | ||||
| -rw-r--r-- | board/xilinx/xupv2p/config.mk | 6 | ||||
| -rw-r--r-- | board/xilinx/xupv2p/xparameters.h | 27 | ||||
| -rw-r--r-- | common/cmd_jffs2.c | 36 | ||||
| -rw-r--r-- | common/cmd_mfsl.c | 11 | ||||
| -rw-r--r-- | cpu/microblaze/cache.c | 2 | ||||
| -rw-r--r-- | cpu/microblaze/start.S | 6 | ||||
| -rw-r--r-- | cpu/microblaze/timer.c | 7 | ||||
| -rw-r--r-- | drivers/net/Makefile | 45 | ||||
| -rw-r--r-- | drivers/net/xilinx_emac.c | 375 | ||||
| -rw-r--r-- | drivers/net/xilinx_emac.h | 148 | ||||
| -rw-r--r-- | drivers/net/xilinx_emaclite.c | 376 | ||||
| -rw-r--r-- | drivers/serial_xuartlite.c | 2 | ||||
| -rw-r--r-- | fs/Makefile | 2 | ||||
| -rw-r--r-- | fs/romfs/Makefile | 49 | ||||
| -rw-r--r-- | fs/romfs/romfs.c | 240 | ||||
| -rw-r--r-- | include/configs/ml401.h | 12 | ||||
| -rw-r--r-- | include/configs/suzaku.h | 3 | ||||
| -rw-r--r-- | include/configs/xupv2p.h | 46 | ||||
| -rw-r--r-- | lib_microblaze/time.c | 8 | 
21 files changed, 1359 insertions, 75 deletions
| @@ -143,7 +143,7 @@ ifeq ($(ARCH),m68k)  CROSS_COMPILE = m68k-elf-  endif  ifeq ($(ARCH),microblaze) -CROSS_COMPILE = mb- +CROSS_COMPILE = microblaze-uclinux-  endif  ifeq ($(ARCH),blackfin)  CROSS_COMPILE = bfin-uclinux- @@ -198,8 +198,9 @@ ifeq ($(CPU),ixp)  LIBS += cpu/ixp/npe/libnpe.a  endif  LIBS += lib_$(ARCH)/lib$(ARCH).a -LIBS += fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a \ -	fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a +LIBS += fs/cramfs/libcramfs.a fs/ext2/libext2fs.a fs/fat/libfat.a \ +	fs/fdos/libfdos.a fs/jffs2/libjffs2.a fs/reiserfs/libreiserfs.a \ +	fs/romfs/libromfs.a  LIBS += net/libnet.a  LIBS += disk/libdisk.a  LIBS += rtc/librtc.a @@ -208,6 +209,7 @@ LIBS += drivers/libdrivers.a  LIBS += drivers/bios_emulator/libatibiosemu.a  LIBS += drivers/nand/libnand.a  LIBS += drivers/nand_legacy/libnand_legacy.a +LIBS += drivers/net/libnetdrv.a  ifeq ($(CPU),mpc83xx)  LIBS += drivers/qe/qe.a  endif @@ -317,14 +319,14 @@ depend dep:  tags ctags:  		ctags -w -o $(OBJTREE)/ctags `find $(SUBDIRS) include \  				lib_generic board/$(BOARDDIR) cpu/$(CPU) lib_$(ARCH) \ -				fs/cramfs fs/fat fs/fdos fs/jffs2 \ +				fs/cramfs fs/fat fs/fdos fs/jffs2 fs/romfs\  				net disk rtc dtt drivers drivers/sk98lin common \  			\( -name CVS -prune \) -o \( -name '*.[ch]' -print \)`  etags:  		etags -a -o $(OBJTREE)/etags `find $(SUBDIRS) include \  				lib_generic board/$(BOARDDIR) cpu/$(CPU) lib_$(ARCH) \ -				fs/cramfs fs/fat fs/fdos fs/jffs2 \ +				fs/cramfs fs/fat fs/fdos fs/jffs2 fs/romfs\  				net disk rtc dtt drivers drivers/sk98lin common \  			\( -name CVS -prune \) -o \( -name '*.[ch]' -print \)` diff --git a/board/xilinx/xupv2p/Makefile b/board/xilinx/xupv2p/Makefile index 9ab563362..99e704735 100644 --- a/board/xilinx/xupv2p/Makefile +++ b/board/xilinx/xupv2p/Makefile @@ -22,32 +22,17 @@  #  include $(TOPDIR)/config.mk -ifneq ($(OBJTREE),$(SRCTREE)) -$(shell mkdir -p $(obj)../common) -$(shell mkdir -p $(obj)../xilinx_enet) -endif - -INCS		:= -I../common -I../xilinx_enet -CFLAGS		+= $(INCS) -HOST_CFLAGS	+= $(INCS)  LIB	= $(obj)lib$(BOARD).a -COBJS	= $(BOARD).o \ -	  ../xilinx_enet/emac_adapter.o  ../xilinx_enet/xemac.o \ -	  ../xilinx_enet/xemac_options.o ../xilinx_enet/xemac_polled.o \ -	  ../xilinx_enet/xemac_intr.o ../xilinx_enet/xemac_g.o \ -	  ../xilinx_enet/xemac_intr_dma.o ../common/xipif_v1_23_b.o \ -	  ../common/xbasic_types.o ../common/xdma_channel.o \ -	  ../common/xdma_channel_sg.o ../common/xpacket_fifo_v1_00_b.o \ -	  ../common/xversion.o \ +COBJS	= $(BOARD).o  SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)  OBJS	:= $(addprefix $(obj),$(COBJS))  SOBJS	:= $(addprefix $(obj),$(SOBJS)) -$(LIB):	$(OBJS) $(SOBJS) -	$(AR) $(ARFLAGS) $@ $^ +$(LIB):	$(obj).depend $(OBJS) +	$(AR) $(ARFLAGS) $@ $(OBJS)  clean:  	rm -f $(SOBJS) $(OBJS) diff --git a/board/xilinx/xupv2p/config.mk b/board/xilinx/xupv2p/config.mk index c07b0b35b..eedfb24d4 100644 --- a/board/xilinx/xupv2p/config.mk +++ b/board/xilinx/xupv2p/config.mk @@ -25,8 +25,8 @@  # Version: Xilinx EDK 8.2.02 EDK_Im_Sp2.4  # -TEXT_BASE = 0x38000000 +TEXT_BASE = 0x30000000 +PLATFORM_CPPFLAGS += -mxl-pattern-compare  PLATFORM_CPPFLAGS += -mno-xl-soft-mul -PLATFORM_CPPFLAGS += -mno-xl-soft-div -PLATFORM_CPPFLAGS += -mxl-barrel-shift +PLATFORM_CPPFLAGS += -mcpu=v5.00.c diff --git a/board/xilinx/xupv2p/xparameters.h b/board/xilinx/xupv2p/xparameters.h index a96c693c5..0bb7a805f 100644 --- a/board/xilinx/xupv2p/xparameters.h +++ b/board/xilinx/xupv2p/xparameters.h @@ -28,17 +28,24 @@  /* System Clock Frequency */  #define XILINX_CLOCK_FREQ	100000000 +/* Microblaze is microblaze_0 */ +#define XILINX_USE_MSR_INSTR	1 +#define XILINX_PVR	0 +#define XILINX_FSL_NUMBER	0 +  /* Interrupt controller is opb_intc_0 */  #define XILINX_INTC_BASEADDR	0x41200000 -#define XILINX_INTC_NUM_INTR_INPUTS	11 +#define XILINX_INTC_NUM_INTR_INPUTS	7  /* Timer pheriphery is opb_timer_1 */  #define XILINX_TIMER_BASEADDR	0x41c00000 -#define XILINX_TIMER_IRQ	1 +#define XILINX_TIMER_IRQ	0  /* Uart pheriphery is RS232_Uart_1 */ -#define XILINX_UART_BASEADDR	0x40600000 -#define XILINX_UART_BAUDRATE	115200 +#define XILINX_UARTLITE_BASEADDR	0x40600000 +#define XILINX_UARTLITE_BAUDRATE	115200 + +/* IIC doesn't exist */  /* GPIO is LEDs_4Bit*/  #define XILINX_GPIO_BASEADDR	0x40000000 @@ -51,14 +58,10 @@  /* Sysace Controller is SysACE_CompactFlash */  #define XILINX_SYSACE_BASEADDR	0x41800000 -#define XILINX_SYSACE_HIGHADDR	0x4180ffff  #define XILINX_SYSACE_MEM_WIDTH	16  /* Ethernet controller is Ethernet_MAC */ -#define XPAR_XEMAC_NUM_INSTANCES	1 -#define XPAR_OPB_ETHERNET_0_DEVICE_ID	0 -#define XPAR_OPB_ETHERNET_0_BASEADDR	0x40c00000 -#define XPAR_OPB_ETHERNET_0_HIGHADDR	0x40c0ffff -#define XPAR_OPB_ETHERNET_0_DMA_PRESENT	1 -#define XPAR_OPB_ETHERNET_0_ERR_COUNT_EXIST	1 -#define XPAR_OPB_ETHERNET_0_MII_EXIST	1 +#define XILINX_EMAC_BASEADDR	0x40c00000 +#define XILINX_EMAC_DMA_PRESENT	3 +#define XILINX_EMAC_HALF_DUPLEX_EXIST	1 +#define XILINX_EMAC_MII_EXIST	1 diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index 513a226c4..3e6061a52 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -85,7 +85,7 @@   */  /* - * JFFS2/CRAMFS support + * JFFS2/CRAMFS/ROMFS support   */  #include <common.h>  #include <command.h> @@ -175,6 +175,11 @@ extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename  extern int cramfs_ls (struct part_info *info, char *filename);  extern int cramfs_info (struct part_info *info); +extern int romfs_check (struct part_info *info); +extern int romfs_load (char *loadoffset, struct part_info *info, char *filename); +extern int romfs_ls (struct part_info *info, char *filename); +extern int romfs_info (struct part_info *info); +  static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num);  /* command line only routines */ @@ -1874,14 +1879,22 @@ int do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])  	if ((part = jffs2_part_info(current_dev, current_partnum))){ -		/* check partition type for cramfs */ -		fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); +		/* check partition type for JFFS2, cramfs, romfs */ +		if (cramfs_check(part)) { +			fsname = "CRAMFS"; +		} else if (romfs_check(part)) { +			fsname = "ROMFS"; +		} else { +	 		fsname = "JFFS2"; +		}  		printf("### %s loading '%s' to 0x%lx\n", fsname, filename, offset);  		if (cramfs_check(part)) {  			size = cramfs_load ((char *) offset, part, filename); +		} else if (romfs_check(part)){ +			size = romfs_load ((char *) offset, part, filename);  		} else { -			/* if this is not cramfs assume jffs2 */ +			/* if this is not cramfs or romfs assume jffs2 */  			size = jffs2_1pass_load((char *)offset, part, filename);  		} @@ -1928,8 +1941,10 @@ int do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])  		/* check partition type for cramfs */  		if (cramfs_check(part)) {  			ret = cramfs_ls (part, filename); +		} else if (romfs_check(part)) { +			ret = romfs_ls (part, filename);  		} else { -			/* if this is not cramfs assume jffs2 */ +			/* if this is not cramfs or romfs assume jffs2 */  			ret = jffs2_1pass_ls(part, filename);  		} @@ -1951,7 +1966,6 @@ int do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])  int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])  {  	struct part_info *part; -	char *fsname;  	int ret;  	/* make sure we are in sync with env variables */ @@ -1961,13 +1975,17 @@ int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])  	if ((part = jffs2_part_info(current_dev, current_partnum))){  		/* check partition type for cramfs */ -		fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); -		printf("### filesystem type is %s\n", fsname); +		puts("### filesystem type is ");  		if (cramfs_check(part)) { +			puts("CRAMFS\n");  			ret = cramfs_info (part); +		} else if (romfs_check(part)) { +			puts("ROMFS\n"); +			ret = romfs_info (part);  		} else { -			/* if this is not cramfs assume jffs2 */ +			/* if this is not cramfs or romfs assume jffs2 */ +			puts("JFFS2\n");  			ret = jffs2_1pass_info(part);  		} diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c index 8d4c1a38d..93cc873b0 100644 --- a/common/cmd_mfsl.c +++ b/common/cmd_mfsl.c @@ -357,7 +357,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])  	reg = (unsigned int)simple_strtoul (argv[1], NULL, 16);  	val = (unsigned int)simple_strtoul (argv[2], NULL, 16); -	if (argc < 1) { +	if (argc < 2) {  		printf ("Usage:\n%s\n", cmdtp->usage);  		return 1;  	} @@ -382,6 +382,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])  		puts ("ESR");  		break;  	default: +		puts ("Unsupported register\n");  		return 1;  	}  	printf (": 0x%08lx\n", val); @@ -408,10 +409,10 @@ U_BOOT_CMD (fwr, 4, 1, do_fwr,  		" 3 - blocking control write\n");  U_BOOT_CMD (rspr, 3, 1, do_rspr, -		"rmsr    - read/write special purpose register\n", +		"rspr    - read/write special purpose register\n",  		"- reg_num [write value] read/write special purpose register\n" -		" 0 - MSR - Machine status register\n" -		" 1 - EAR - Exception address register\n" -		" 2 - ESR - Exception status register\n"); +		" 1 - MSR - Machine status register\n" +		" 3 - EAR - Exception address register\n" +		" 5 - ESR - Exception status register\n");  #endif diff --git a/cpu/microblaze/cache.c b/cpu/microblaze/cache.c index 6ce0b55b2..4b7866fae 100644 --- a/cpu/microblaze/cache.c +++ b/cpu/microblaze/cache.c @@ -1,7 +1,7 @@  /*   * (C) Copyright 2007 Michal Simek   * - * Michal SIMEK <moonstr@monstr.eu> + * Michal SIMEK <monstr@monstr.eu>   *   * See file CREDITS for list of people who contributed to this   * project. diff --git a/cpu/microblaze/start.S b/cpu/microblaze/start.S index 3c027ff9b..8740284ad 100644 --- a/cpu/microblaze/start.S +++ b/cpu/microblaze/start.S @@ -33,15 +33,13 @@ _start:  	addi	r1, r0, CFG_INIT_SP_OFFSET  	addi	r1, r1, -4	/* Decrement SP to top of memory */  	/* add opcode instruction for 32bit jump - 2 instruction imm & brai*/ -	addi	r6, r0, 0xb000	/* hex b000 opcode imm */ -	bslli	r6, r6, 16	/* shift */ +	addi	r6, r0, 0xb0000000	/* hex b000 opcode imm */  	swi	r6, r0, 0x0	/* reset address */  	swi	r6, r0, 0x8	/* user vector exception */  	swi	r6, r0, 0x10	/* interrupt */  	swi	r6, r0, 0x20	/* hardware exception */ -	addi	r6, r0, 0xb808	/* hew b808 opcode brai*/ -	bslli	r6, r6, 16 +	addi	r6, r0, 0xb8080000	/* hew b808 opcode brai*/  	swi	r6, r0, 0x4	/* reset address */  	swi	r6, r0, 0xC	/* user vector exception */  	swi	r6, r0, 0x14	/* interrupt */ diff --git a/cpu/microblaze/timer.c b/cpu/microblaze/timer.c index ab1cb1274..b35045344 100644 --- a/cpu/microblaze/timer.c +++ b/cpu/microblaze/timer.c @@ -33,10 +33,17 @@ void reset_timer (void)  	timestamp = 0;  } +#ifdef CFG_TIMER_0  ulong get_timer (ulong base)  {  	return (timestamp - base);  } +#else +ulong get_timer (ulong base) +{ +	return (timestamp++ - base); +} +#endif  void set_timer (ulong t)  { diff --git a/drivers/net/Makefile b/drivers/net/Makefile new file mode 100644 index 000000000..7342dc8ce --- /dev/null +++ b/drivers/net/Makefile @@ -0,0 +1,45 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 +# + +include $(TOPDIR)/config.mk + +LIB 	:= $(obj)libnetdrv.a + +COBJS 	:= xilinx_emaclite.o xilinx_emac.o + +SRCS 	:= $(COBJS:.o=.c) +OBJS 	:= $(addprefix $(obj),$(COBJS)) + +all:	$(LIB) + +$(LIB):	$(obj).depend $(OBJS) +	$(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/drivers/net/xilinx_emac.c b/drivers/net/xilinx_emac.c new file mode 100644 index 000000000..23567cc40 --- /dev/null +++ b/drivers/net/xilinx_emac.c @@ -0,0 +1,375 @@ +/* + * (C) Copyright 2007 Michal Simek + * + * Michal SIMEK <monstr@monstr.eu> + * + * 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 + * + * Based on Xilinx drivers + * + */ + +#include <config.h> +#include <common.h> +#include <net.h> +#include <asm/io.h> +#include <asm/asm.h> +#include "xilinx_emac.h" + +#ifdef XILINX_EMAC + +#undef DEBUG + +#define ENET_MAX_MTU		PKTSIZE +#define ENET_ADDR_LENGTH	6 + +static unsigned int etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */ + +static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; + +static xemac emac; + +void eth_halt(void) +{ +#ifdef DEBUG +	puts ("eth_halt\n"); +#endif +} + +int eth_init(bd_t * bis) +{ +	u32 helpreg; +#ifdef DEBUG +	printf("EMAC Initialization Started\n\r"); +#endif +	if (emac.isstarted) { +		puts("Emac is started\n"); +		return 0; +	} + +	memset (&emac, 0, sizeof (xemac)); + +	emac.baseaddress = XILINX_EMAC_BASEADDR; + +	/* Setting up FIFOs */ +	emac.recvfifo.regbaseaddress = emac.baseaddress + +					XEM_PFIFO_RXREG_OFFSET; +	emac.recvfifo.databaseaddress = emac.baseaddress + +					XEM_PFIFO_RXDATA_OFFSET; +	out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK); + +	emac.sendfifo.regbaseaddress = emac.baseaddress + +					XEM_PFIFO_TXREG_OFFSET; +	emac.sendfifo.databaseaddress = emac.baseaddress + +					XEM_PFIFO_TXDATA_OFFSET; +	out_be32 (emac.sendfifo.regbaseaddress, XPF_RESET_FIFO_MASK); + +	/* Reset the entire IPIF */ +	out_be32 (emac.baseaddress + XIIF_V123B_RESETR_OFFSET, +					XIIF_V123B_RESET_MASK); + +	/* Stopping EMAC for setting up MAC */ +	helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET); +	helpreg &= ~(XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); +	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg); + +	if (!getenv("ethaddr")) { +		memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH); +	} + +	/* Set the device station address high and low registers */ +	helpreg = (bis->bi_enetaddr[0] << 8) | bis->bi_enetaddr[1]; +	out_be32 (emac.baseaddress + XEM_SAH_OFFSET, helpreg); +	helpreg = (bis->bi_enetaddr[2] << 24) | (bis->bi_enetaddr[3] << 16) | +			(bis->bi_enetaddr[4] << 8) | bis->bi_enetaddr[5]; +	out_be32 (emac.baseaddress + XEM_SAL_OFFSET, helpreg); + + +	helpreg = XEM_ECR_UNICAST_ENABLE_MASK | XEM_ECR_BROAD_ENABLE_MASK | +		XEM_ECR_FULL_DUPLEX_MASK | XEM_ECR_XMIT_FCS_ENABLE_MASK | +		XEM_ECR_XMIT_PAD_ENABLE_MASK | XEM_ECR_PHY_ENABLE_MASK; +	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg); + +	emac.isstarted = 1; + +	/* Enable the transmitter, and receiver */ +	helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET); +	helpreg &= ~(XEM_ECR_XMIT_RESET_MASK | XEM_ECR_RECV_RESET_MASK); +	helpreg |= (XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); +	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg); + +	printf("EMAC Initialization complete\n\r"); +	return 0; +} + +int eth_send(volatile void *ptr, int len) +{ +	u32 intrstatus; +	u32 xmitstatus; +	u32 fifocount; +	u32 wordcount; +	u32 extrabytecount; +	u32 *wordbuffer = (u32 *) ptr; + +	if (len > ENET_MAX_MTU) +		len = ENET_MAX_MTU; + +	/* +	 * Check for overruns and underruns for the transmit status and length +	 * FIFOs and make sure the send packet FIFO is not deadlocked. +	 * Any of these conditions is bad enough that we do not want to +	 * continue. The upper layer software should reset the device to resolve +	 * the error. +	 */ +	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); +	if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | +			XEM_EIR_XMIT_LFIFO_OVER_MASK)) { +#ifdef DEBUG +		puts ("Transmitting overrun error\n"); +#endif +		return 0; +	} else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | +			XEM_EIR_XMIT_LFIFO_UNDER_MASK)) { +#ifdef DEBUG +		puts ("Transmitting underrun error\n"); +#endif +		return 0; +	} else if (in_be32 (emac.sendfifo.regbaseaddress + +			XPF_COUNT_STATUS_REG_OFFSET) & XPF_DEADLOCK_MASK) { +#ifdef DEBUG +		puts("Transmitting fifo error\n"); +#endif +		return 0; +	} + +	/* +	 * Before writing to the data FIFO, make sure the length FIFO is not +	 * full. The data FIFO might not be full yet even though the length FIFO +	 * is. This avoids an overrun condition on the length FIFO and keeps the +	 * FIFOs in sync. +	 * +	 * Clear the latched LFIFO_FULL bit so next time around the most +	 * current status is represented +	 */ +	if (intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK) { +		out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, +			intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK); +#ifdef DEBUG +		puts ("Fifo is full\n"); +#endif +		return 0; +	} + +	/* get the count of how many words may be inserted into the FIFO */ +	fifocount = in_be32 (emac.sendfifo.regbaseaddress + +				XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK; +	wordcount = len >> 2; +	extrabytecount = len & 0x3; + +	if (fifocount < wordcount) { +#ifdef DEBUG +		puts ("Sending packet is larger then size of FIFO\n"); +#endif +		return 0; +	} + +	for (fifocount = 0; fifocount < wordcount; fifocount++) { +		out_be32 (emac.sendfifo.databaseaddress, wordbuffer[fifocount]); +	} +	if (extrabytecount > 0) { +		u32 lastword = 0; +		u8 *extrabytesbuffer = (u8 *) (wordbuffer + wordcount); + +		if (extrabytecount == 1) { +			lastword = extrabytesbuffer[0] << 24; +		} else if (extrabytecount == 2) { +			lastword = extrabytesbuffer[0] << 24 | +				extrabytesbuffer[1] << 16; +		} else if (extrabytecount == 3) { +			lastword = extrabytesbuffer[0] << 24 | +				extrabytesbuffer[1] << 16 | +				extrabytesbuffer[2] << 8; +		} +		out_be32 (emac.sendfifo.databaseaddress, lastword); +	} + +	/* Loop on the MAC's status to wait for any pause to complete */ +	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); +	while ((intrstatus & XEM_EIR_XMIT_PAUSE_MASK) != 0) { +		intrstatus = in_be32 ((emac.baseaddress) + +					XIIF_V123B_IISR_OFFSET); +		/* Clear the pause status from the transmit status register */ +		out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, +				intrstatus & XEM_EIR_XMIT_PAUSE_MASK); +	} + +	/* +	 * Set the MAC's transmit packet length register to tell it to transmit +	 */ +	out_be32 (emac.baseaddress + XEM_TPLR_OFFSET, len); + +	/* +	 * Loop on the MAC's status to wait for the transmit to complete. +	 * The transmit status is in the FIFO when the XMIT_DONE bit is set. +	 */ +	do { +		intrstatus = in_be32 ((emac.baseaddress) + +						XIIF_V123B_IISR_OFFSET); +	} +	while ((intrstatus & XEM_EIR_XMIT_DONE_MASK) == 0); + +	xmitstatus = in_be32 (emac.baseaddress + XEM_TSR_OFFSET); + +	if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | +					XEM_EIR_XMIT_LFIFO_OVER_MASK)) { +#ifdef DEBUG +		puts ("Transmitting overrun error\n"); +#endif +		return 0; +	} else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | +					XEM_EIR_XMIT_LFIFO_UNDER_MASK)) { +#ifdef DEBUG +		puts ("Transmitting underrun error\n"); +#endif +		return 0; +	} + +	/* Clear the interrupt status register of transmit statuses */ +	out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, +				intrstatus & XEM_EIR_XMIT_ALL_MASK); + +	/* +	 * Collision errors are stored in the transmit status register +	 * instead of the interrupt status register +	 */ +	if ((xmitstatus & XEM_TSR_EXCESS_DEFERRAL_MASK) || +				(xmitstatus & XEM_TSR_LATE_COLLISION_MASK)) { +#ifdef DEBUG +		puts ("Transmitting collision error\n"); +#endif +		return 0; +	} +	return 1; +} + +int eth_rx(void) +{ +	u32 pktlength; +	u32 intrstatus; +	u32 fifocount; +	u32 wordcount; +	u32 extrabytecount; +	u32 lastword; +	u8 *extrabytesbuffer; + +	if (in_be32 (emac.recvfifo.regbaseaddress + XPF_COUNT_STATUS_REG_OFFSET) +			& XPF_DEADLOCK_MASK) { +		out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK); +#ifdef DEBUG +		puts ("Receiving FIFO deadlock\n"); +#endif +		return 0; +	} + +	/* +	 * Get the interrupt status to know what happened (whether an error +	 * occurred and/or whether frames have been received successfully). +	 * When clearing the intr status register, clear only statuses that +	 * pertain to receive. +	 */ +	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); +	/* +	 * Before reading from the length FIFO, make sure the length FIFO is not +	 * empty. We could cause an underrun error if we try to read from an +	 * empty FIFO. +	 */ +	if (!(intrstatus & XEM_EIR_RECV_DONE_MASK)) { +#ifdef DEBUG +		/* puts("Receiving FIFO is empty\n"); */ +#endif +		return 0; +	} + +	/* +	 * Determine, from the MAC, the length of the next packet available +	 * in the data FIFO (there should be a non-zero length here) +	 */ +	pktlength = in_be32 (emac.baseaddress + XEM_RPLR_OFFSET); +	if (!pktlength) { +		return 0; +	} + +	/* +	 * Write the RECV_DONE bit in the status register to clear it. This bit +	 * indicates the RPLR is non-empty, and we know it's set at this point. +	 * We clear it so that subsequent entry into this routine will reflect +	 * the current status. This is done because the non-empty bit is latched +	 * in the IPIF, which means it may indicate a non-empty condition even +	 * though there is something in the FIFO. +	 */ +	out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, +						XEM_EIR_RECV_DONE_MASK); + +	fifocount = in_be32 (emac.recvfifo.regbaseaddress + +				XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK; + +	if ((fifocount * 4) < pktlength) { +#ifdef DEBUG +		puts ("Receiving FIFO is smaller than packet size.\n"); +#endif +		return 0; +	} + +	wordcount = pktlength >> 2; +	extrabytecount = pktlength & 0x3; + +	for (fifocount = 0; fifocount < wordcount; fifocount++) { +		etherrxbuff[fifocount] = +				in_be32 (emac.recvfifo.databaseaddress); +	} + +	/* +	 * if there are extra bytes to handle, read the last word from the FIFO +	 * and insert the extra bytes into the buffer +	 */ +	if (extrabytecount > 0) { +		extrabytesbuffer = (u8 *) (etherrxbuff + wordcount); + +		lastword = in_be32 (emac.recvfifo.databaseaddress); + +		/* +		 * one extra byte in the last word, put the byte into the next +		 * location of the buffer, bytes in a word of the FIFO are +		 * ordered from most significant byte to least +		 */ +		if (extrabytecount == 1) { +			extrabytesbuffer[0] = (u8) (lastword >> 24); +		} else if (extrabytecount == 2) { +			extrabytesbuffer[0] = (u8) (lastword >> 24); +			extrabytesbuffer[1] = (u8) (lastword >> 16); +		} else if (extrabytecount == 3) { +			extrabytesbuffer[0] = (u8) (lastword >> 24); +			extrabytesbuffer[1] = (u8) (lastword >> 16); +			extrabytesbuffer[2] = (u8) (lastword >> 8); +		} +	} +	NetReceive((uchar *)etherrxbuff, pktlength); +	return 1; +} +#endif diff --git a/drivers/net/xilinx_emac.h b/drivers/net/xilinx_emac.h new file mode 100644 index 000000000..966598e27 --- /dev/null +++ b/drivers/net/xilinx_emac.h @@ -0,0 +1,148 @@ +/* + * (C) Copyright 2007 Michal Simek + * + * Michal SIMEK <monstr@monstr.eu> + * + * 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 + * + * Based on Xilinx drivers + * + */ + +typedef struct { +	u32 regbaseaddress;	/* Base address of registers */ +	u32 databaseaddress;	/* Base address of data for FIFOs */ +} xpacketfifov100b; + +typedef struct { +	u32 baseaddress;	/* Base address (of IPIF) */ +	u32 isstarted;		/* Device is currently started 0-no, 1-yes */ +	xpacketfifov100b recvfifo;	/* FIFO used to receive frames */ +	xpacketfifov100b sendfifo;	/* FIFO used to send frames */ +} xemac; + +#define XIIF_V123B_IISR_OFFSET	32UL /* IP interrupt status register */ +#define XIIF_V123B_RESET_MASK		0xAUL +#define XIIF_V123B_RESETR_OFFSET	64UL /* reset register */ + +/* This constant is used with the Reset Register */ +#define XPF_RESET_FIFO_MASK		0x0000000A +#define XPF_COUNT_STATUS_REG_OFFSET	4UL + +/* These constants are used with the Occupancy/Vacancy Count Register. This + * register also contains FIFO status */ +#define XPF_COUNT_MASK			0x0000FFFF +#define XPF_DEADLOCK_MASK		0x20000000 + +/* Offset of the MAC registers from the IPIF base address */ +#define XEM_REG_OFFSET		0x1100UL + +/* + * Register offsets for the Ethernet MAC. Each register is 32 bits. + */ +#define XEM_ECR_OFFSET	(XEM_REG_OFFSET + 0x4)	/* MAC Control */ +#define XEM_SAH_OFFSET	(XEM_REG_OFFSET + 0xC)	/* Station addr, high */ +#define XEM_SAL_OFFSET	(XEM_REG_OFFSET + 0x10)	/* Station addr, low */ +#define XEM_RPLR_OFFSET	(XEM_REG_OFFSET + 0x1C)	/* Rx packet length */ +#define XEM_TPLR_OFFSET	(XEM_REG_OFFSET + 0x20)	/* Tx packet length */ +#define XEM_TSR_OFFSET	(XEM_REG_OFFSET + 0x24)	/* Tx status */ + + + +#define XEM_PFIFO_OFFSET	0x2000UL +/* Tx registers */ +#define XEM_PFIFO_TXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x0) +/* Rx registers */ +#define XEM_PFIFO_RXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x10) +/* Tx keyhole */ +#define XEM_PFIFO_TXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x100) +/* Rx keyhole */ +#define XEM_PFIFO_RXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x200) + + +/* + * EMAC Interrupt Registers (Status and Enable) masks. These registers are + * part of the IPIF IP Interrupt registers + */ +/* A mask for all transmit interrupts, used in polled mode */ +#define XEM_EIR_XMIT_ALL_MASK	(XEM_EIR_XMIT_DONE_MASK |\ +				 XEM_EIR_XMIT_ERROR_MASK | \ +				 XEM_EIR_XMIT_SFIFO_EMPTY_MASK |\ +				 XEM_EIR_XMIT_LFIFO_FULL_MASK) + +/* Xmit complete */ +#define XEM_EIR_XMIT_DONE_MASK		0x00000001UL +/* Recv complete */ +#define XEM_EIR_RECV_DONE_MASK		0x00000002UL +/* Xmit error */ +#define XEM_EIR_XMIT_ERROR_MASK		0x00000004UL +/* Recv error */ +#define XEM_EIR_RECV_ERROR_MASK		0x00000008UL +/* Xmit status fifo empty */ +#define XEM_EIR_XMIT_SFIFO_EMPTY_MASK	0x00000010UL +/* Recv length fifo empty */ +#define XEM_EIR_RECV_LFIFO_EMPTY_MASK	0x00000020UL +/* Xmit length fifo full */ +#define XEM_EIR_XMIT_LFIFO_FULL_MASK	0x00000040UL +/* Recv length fifo overrun */ +#define XEM_EIR_RECV_LFIFO_OVER_MASK	0x00000080UL +/* Recv length fifo underrun */ +#define XEM_EIR_RECV_LFIFO_UNDER_MASK	0x00000100UL +/* Xmit status fifo overrun */ +#define XEM_EIR_XMIT_SFIFO_OVER_MASK	0x00000200UL +/* Transmit status fifo underrun */ +#define XEM_EIR_XMIT_SFIFO_UNDER_MASK	0x00000400UL +/* Transmit length fifo overrun */ +#define XEM_EIR_XMIT_LFIFO_OVER_MASK	0x00000800UL +/* Transmit length fifo underrun */ +#define XEM_EIR_XMIT_LFIFO_UNDER_MASK	0x00001000UL +/* Transmit pause pkt received */ +#define XEM_EIR_XMIT_PAUSE_MASK		0x00002000UL + +/* + * EMAC Control Register (ECR) + */ +/* Full duplex mode */ +#define XEM_ECR_FULL_DUPLEX_MASK	 0x80000000UL +/* Reset transmitter */ +#define XEM_ECR_XMIT_RESET_MASK		 0x40000000UL +/* Enable transmitter */ +#define XEM_ECR_XMIT_ENABLE_MASK	 0x20000000UL +/* Reset receiver */ +#define XEM_ECR_RECV_RESET_MASK		 0x10000000UL +/* Enable receiver */ +#define XEM_ECR_RECV_ENABLE_MASK	 0x08000000UL +/* Enable PHY */ +#define XEM_ECR_PHY_ENABLE_MASK		 0x04000000UL +/* Enable xmit pad insert */ +#define XEM_ECR_XMIT_PAD_ENABLE_MASK	 0x02000000UL +/* Enable xmit FCS insert */ +#define XEM_ECR_XMIT_FCS_ENABLE_MASK	 0x01000000UL +/* Enable unicast addr */ +#define XEM_ECR_UNICAST_ENABLE_MASK	 0x00020000UL +/* Enable broadcast addr */ +#define XEM_ECR_BROAD_ENABLE_MASK	 0x00008000UL + +/* + * Transmit Status Register (TSR) + */ +/* Transmit excess deferral */ +#define XEM_TSR_EXCESS_DEFERRAL_MASK	0x80000000UL +/* Transmit late collision */ +#define XEM_TSR_LATE_COLLISION_MASK	0x01000000UL diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c new file mode 100644 index 000000000..5d8eaa518 --- /dev/null +++ b/drivers/net/xilinx_emaclite.c @@ -0,0 +1,376 @@ +/* + * (C) Copyright 2007 Michal Simek + * + * Michal SIMEK <monstr@monstr.eu> + * + * 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 + */ + +#include <common.h> +#include <net.h> +#include <config.h> +#include <asm/io.h> + +#ifdef XILINX_EMACLITE_BASEADDR + +#undef DEBUG + +#define ENET_MAX_MTU		PKTSIZE +#define ENET_MAX_MTU_ALIGNED	PKTSIZE_ALIGN +#define ENET_ADDR_LENGTH	6 + +/* EmacLite constants */ +#define XEL_BUFFER_OFFSET	0x0800	/* Next buffer's offset */ +#define XEL_TPLR_OFFSET		0x07F4	/* Tx packet length */ +#define XEL_TSR_OFFSET		0x07FC	/* Tx status */ +#define XEL_RSR_OFFSET		0x17FC	/* Rx status */ +#define XEL_RXBUFF_OFFSET	0x1000	/* Receive Buffer */ + +/* Xmit complete */ +#define XEL_TSR_XMIT_BUSY_MASK		0x00000001UL +/* Xmit interrupt enable bit */ +#define XEL_TSR_XMIT_IE_MASK		0x00000008UL +/* Buffer is active, SW bit only */ +#define XEL_TSR_XMIT_ACTIVE_MASK	0x80000000UL +/* Program the MAC address */ +#define XEL_TSR_PROGRAM_MASK		0x00000002UL +/* define for programming the MAC address into the EMAC Lite */ +#define XEL_TSR_PROG_MAC_ADDR	(XEL_TSR_XMIT_BUSY_MASK | XEL_TSR_PROGRAM_MASK) + +/* Transmit packet length upper byte */ +#define XEL_TPLR_LENGTH_MASK_HI		0x0000FF00UL +/* Transmit packet length lower byte */ +#define XEL_TPLR_LENGTH_MASK_LO		0x000000FFUL + +/* Recv complete */ +#define XEL_RSR_RECV_DONE_MASK		0x00000001UL +/* Recv interrupt enable bit */ +#define XEL_RSR_RECV_IE_MASK		0x00000008UL + +typedef struct { +	unsigned int baseaddress;	/* Base address for device (IPIF) */ +	unsigned int nexttxbuffertouse;	/* Next TX buffer to write to */ +	unsigned int nextrxbuffertouse;	/* Next RX buffer to read from */ +	unsigned char deviceid;		/* Unique ID of device - for future */ +} xemaclite; + +static xemaclite emaclite; + +static char etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */ + +/* hardcoded MAC address for the Xilinx EMAC Core when env is nowhere*/ +#ifdef CFG_ENV_IS_NOWHERE +static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; +#endif + +void xemaclite_alignedread (u32 * srcptr, void *destptr, unsigned bytecount) +{ +	unsigned int i; +	u32 alignbuffer; +	u32 *to32ptr; +	u32 *from32ptr; +	u8 *to8ptr; +	u8 *from8ptr; + +	from32ptr = (u32 *) srcptr; + +	/* Word aligned buffer, no correction needed. */ +	to32ptr = (u32 *) destptr; +	while (bytecount > 3) { +		*to32ptr++ = *from32ptr++; +		bytecount -= 4; +	} +	to8ptr = (u8 *) to32ptr; + +	alignbuffer = *from32ptr++; +	from8ptr = (u8 *) & alignbuffer; + +	for (i = 0; i < bytecount; i++) { +		*to8ptr++ = *from8ptr++; +	} +} + +void xemaclite_alignedwrite (void *srcptr, u32 destptr, unsigned bytecount) +{ +	unsigned i; +	u32 alignbuffer; +	u32 *to32ptr = (u32 *) destptr; +	u32 *from32ptr; +	u8 *to8ptr; +	u8 *from8ptr; + +	from32ptr = (u32 *) srcptr; +	while (bytecount > 3) { + +		*to32ptr++ = *from32ptr++; +		bytecount -= 4; +	} + +	alignbuffer = 0; +	to8ptr = (u8 *) & alignbuffer; +	from8ptr = (u8 *) from32ptr; + +	for (i = 0; i < bytecount; i++) { +		*to8ptr++ = *from8ptr++; +	} + +	*to32ptr++ = alignbuffer; +} + +void eth_halt (void) +{ +#ifdef DEBUG +	puts ("eth_halt\n"); +#endif +} + +int eth_init (bd_t * bis) +{ +#ifdef DEBUG +	puts ("EmacLite Initialization Started\n"); +#endif +	memset (&emaclite, 0, sizeof (xemaclite)); +	emaclite.baseaddress = XILINX_EMACLITE_BASEADDR; + +	if (!getenv("ethaddr")) { +		memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH); +	} + +/* + * TX - TX_PING & TX_PONG initialization + */ +	/* Restart PING TX */ +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0); +	/* Copy MAC address */ +	xemaclite_alignedwrite (bis->bi_enetaddr, +		emaclite.baseaddress, ENET_ADDR_LENGTH); +	/* Set the length */ +	out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); +	/* Update the MAC address in the EMAC Lite */ +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR); +	/* Wait for EMAC Lite to finish with the MAC address update */ +	while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET) & +		XEL_TSR_PROG_MAC_ADDR) != 0) ; + +#ifdef XILINX_EMACLITE_TX_PING_PONG +	/* The same operation with PONG TX */ +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0); +	xemaclite_alignedwrite (bis->bi_enetaddr, emaclite.baseaddress + +		XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH); +	out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, +		XEL_TSR_PROG_MAC_ADDR); +	while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + +		 XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) ; +#endif + +/* + * RX - RX_PING & RX_PONG initialization + */ +	/* Write out the value to flush the RX buffer */ +	out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK); +#ifdef XILINX_EMACLITE_RX_PING_PONG +	out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET, +		XEL_RSR_RECV_IE_MASK); +#endif + +#ifdef DEBUG +	puts ("EmacLite Initialization complete\n"); +#endif +	return 0; +} + +int xemaclite_txbufferavailable (xemaclite * instanceptr) +{ +	u32 reg; +	u32 txpingbusy; +	u32 txpongbusy; +	/* +	 * Read the other buffer register +	 * and determine if the other buffer is available +	 */ +	reg = in_be32 (instanceptr->baseaddress + +			instanceptr->nexttxbuffertouse + 0); +	txpingbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) == +			XEL_TSR_XMIT_BUSY_MASK); + +	reg = in_be32 (instanceptr->baseaddress + +			(instanceptr->nexttxbuffertouse ^ XEL_TSR_OFFSET) + 0); +	txpongbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) == +			XEL_TSR_XMIT_BUSY_MASK); + +	return (!(txpingbusy && txpongbusy)); +} + +int eth_send (volatile void *ptr, int len) { + +	unsigned int reg; +	unsigned int baseaddress; + +	unsigned maxtry = 1000; + +	if (len > ENET_MAX_MTU) +		len = ENET_MAX_MTU; + +	while (!xemaclite_txbufferavailable (&emaclite) && maxtry) { +		udelay (10); +		maxtry--; +	} + +	if (!maxtry) { +		printf ("Error: Timeout waiting for ethernet TX buffer\n"); +		/* Restart PING TX */ +		out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0); +#ifdef XILINX_EMACLITE_TX_PING_PONG +		out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + +		XEL_BUFFER_OFFSET, 0); +#endif +		return 0; +	} + +	/* Determine the expected TX buffer address */ +	baseaddress = (emaclite.baseaddress + emaclite.nexttxbuffertouse); + +	/* Determine if the expected buffer address is empty */ +	reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +	if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) +		&& ((in_be32 ((baseaddress) + XEL_TSR_OFFSET) +			& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) { + +#ifdef XILINX_EMACLITE_TX_PING_PONG +		emaclite.nexttxbuffertouse ^= XEL_BUFFER_OFFSET; +#endif +#ifdef DEBUG +		printf ("Send packet from 0x%x\n", baseaddress); +#endif +		/* Write the frame to the buffer */ +		xemaclite_alignedwrite ((void *) ptr, baseaddress, len); +		out_be32 (baseaddress + XEL_TPLR_OFFSET,(len & +			(XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO))); +		reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +		reg |= XEL_TSR_XMIT_BUSY_MASK; +		if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) { +			reg |= XEL_TSR_XMIT_ACTIVE_MASK; +		} +		out_be32 (baseaddress + XEL_TSR_OFFSET, reg); +		return 1; +	} +#ifdef XILINX_EMACLITE_TX_PING_PONG +	/* Switch to second buffer */ +	baseaddress ^= XEL_BUFFER_OFFSET; +	/* Determine if the expected buffer address is empty */ +	reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +	if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) +		&& ((in_be32 ((baseaddress) + XEL_TSR_OFFSET) +			& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) { +#ifdef DEBUG +		printf ("Send packet from 0x%x\n", baseaddress); +#endif +		/* Write the frame to the buffer */ +		xemaclite_alignedwrite ((void *) ptr, baseaddress, len); +		out_be32 (baseaddress + XEL_TPLR_OFFSET,(len & +			(XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO))); +		reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +		reg |= XEL_TSR_XMIT_BUSY_MASK; +		if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) { +			reg |= XEL_TSR_XMIT_ACTIVE_MASK; +		} +		out_be32 (baseaddress + XEL_TSR_OFFSET, reg); +		return 1; +	} +#endif +	puts ("Error while sending frame\n"); +	return 0; +} + +int eth_rx (void) +{ +	unsigned int length; +	unsigned int reg; +	unsigned int baseaddress; + +	baseaddress = emaclite.baseaddress + emaclite.nextrxbuffertouse; +	reg = in_be32 (baseaddress + XEL_RSR_OFFSET); +#ifdef DEBUG +	printf ("Testing data at address 0x%x\n", baseaddress); +#endif +	if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) { +#ifdef XILINX_EMACLITE_RX_PING_PONG +		emaclite.nextrxbuffertouse ^= XEL_BUFFER_OFFSET; +#endif +	} else { +#ifndef XILINX_EMACLITE_RX_PING_PONG +#ifdef DEBUG +		printf ("No data was available - address 0x%x\n", baseaddress); +#endif +		return 0; +#else +		baseaddress ^= XEL_BUFFER_OFFSET; +		reg = in_be32 (baseaddress + XEL_RSR_OFFSET); +		if ((reg & XEL_RSR_RECV_DONE_MASK) != +					XEL_RSR_RECV_DONE_MASK) { +#ifdef DEBUG +			printf ("No data was available - address 0x%x\n", +					baseaddress); +#endif +			return 0; +		} +#endif +	} +	/* Get the length of the frame that arrived */ +	switch(((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0xC)) & +			0xFFFF0000 ) >> 16) { +		case 0x806: +			length = 42 + 20; /* FIXME size of ARP */ +#ifdef DEBUG +			puts ("ARP Packet\n"); +#endif +			break; +		case 0x800: +			length = 14 + 14 + +			(((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0x10)) & +			0xFFFF0000) >> 16); /* FIXME size of IP packet */ +#ifdef DEBUG +			puts("IP Packet\n"); +#endif +			break; +		default: +#ifdef DEBUG +			puts("Other Packet\n"); +#endif +			length = ENET_MAX_MTU; +			break; +	} + +	xemaclite_alignedread ((u32 *) (baseaddress + XEL_RXBUFF_OFFSET), +			etherrxbuff, length); + +	/* Acknowledge the frame */ +	reg = in_be32 (baseaddress + XEL_RSR_OFFSET); +	reg &= ~XEL_RSR_RECV_DONE_MASK; +	out_be32 (baseaddress + XEL_RSR_OFFSET, reg); + +#ifdef DEBUG +	printf ("Packet receive from 0x%x, length %dB\n", baseaddress, length); +#endif +	NetReceive ((uchar *) etherrxbuff, length); +	return 1; + +} +#endif diff --git a/drivers/serial_xuartlite.c b/drivers/serial_xuartlite.c index ed59abea8..1f3aaae40 100644 --- a/drivers/serial_xuartlite.c +++ b/drivers/serial_xuartlite.c @@ -24,7 +24,7 @@  #include <config.h> -#ifdef	CONFIG_MICROBLAZE +#ifdef	XILINX_UARTLITE  #include <asm/serial_xuartlite.h> diff --git a/fs/Makefile b/fs/Makefile index 273d90e01..118ae78f2 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -22,7 +22,7 @@  #  # -SUBDIRS	:= jffs2 cramfs fdos fat reiserfs ext2 +SUBDIRS	:= romfs jffs2 cramfs fdos fat reiserfs ext2  $(obj).depend all:  	@for dir in $(SUBDIRS) ; do \ diff --git a/fs/romfs/Makefile b/fs/romfs/Makefile new file mode 100644 index 000000000..937d75594 --- /dev/null +++ b/fs/romfs/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 +# + +include $(TOPDIR)/config.mk + +LIB	= $(obj)libromfs.a + +AOBJS	= +COBJS	= romfs.o + +SRCS	:= $(AOBJS:.o=.S) $(COBJS:.o=.c) +OBJS	:= $(addprefix $(obj),$(AOBJS) $(COBJS)) + +#CPPFLAGS += + +all:	$(LIB) $(AOBJS) + +$(LIB):	$(obj).depend $(OBJS) +	$(AR) $(ARFLAGS) $@ $(OBJS) + + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/fs/romfs/romfs.c b/fs/romfs/romfs.c new file mode 100644 index 000000000..34917bec3 --- /dev/null +++ b/fs/romfs/romfs.c @@ -0,0 +1,240 @@ +/* + * (C) Copyright 2007 Michal Simek + * + * Michal SIMEK <monstr@monstr.eu> + * + * 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 + */ + +#include <common.h> +#include <malloc.h> +#include <command.h> + +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) + +#include <asm/byteorder.h> +#include <linux/stat.h> +#include <jffs2/jffs2.h> +#include <jffs2/load_kernel.h> + +#undef DEBUG_ROMFS + +/* ROMFS superblock */ +struct romfs_super { +	u32 word0; +	u32 word1; +	u32 size; +	u32 checksum; +	char name[0]; +}; + +struct romfs_inode { +	u32 next; +	u32 spec; +	u32 size; +	u32 checksum; +	char name[0]; +}; + +extern flash_info_t flash_info[]; +#define PART_OFFSET(x)	(x->offset + flash_info[x->dev->id->num].start[0]) +#define ALIGN(x)	(((x) & 0xfffffff0)) +#define HEADERSIZE(name)	(0x20 + ALIGN(strlen(name))) + +static unsigned long romfs_resolve (unsigned long begin, unsigned long offset, +				unsigned long size, int raw, char *filename) +{ +	unsigned long inodeoffset = 0, nextoffset; +	struct romfs_inode *inode; +#ifdef DEBUG_ROMFS +	printf ("ROMFS_resolve: begin 0x%x, offset 0x%x, size 0x%x, raw 0x%x, \ +		filename %s\n", begin, offset, size, raw, filename); +#endif + +	while (inodeoffset < size) { +		inode = (struct romfs_inode *)(begin + offset + inodeoffset); +		offset = 0; +		nextoffset = ALIGN (inode->next); +#ifdef DEBUG_ROMFS +		printf("inode 0x%x, name %s - len 0x%x, next inode 0x%x, \ +			compare names 0x%x\n", +			inode, inode->name, strlen (inode->name), nextoffset, +			strncmp (filename, inode->name, strlen (filename))); +#endif +		if (!strncmp (filename, inode->name, strlen (inode->name))) { +			char *p = strtok (NULL, "/"); +			if (raw && (p == NULL || *p == '\0')) { +				return offset + inodeoffset; +			} +			return romfs_resolve (begin, +					inodeoffset + HEADERSIZE (inode->name), +					size, raw, p); +		} +		inodeoffset = nextoffset; +	} + +	printf ("can't find corresponding entry\n"); +	return 0; +} + +int romfs_load (char *loadoffset, struct part_info *info, char *filename) +{ +	struct romfs_inode *inode; +	struct romfs_super *sb; +	char *data; +	int pocet; +	sb = (struct romfs_super *) PART_OFFSET (info); + +	unsigned long offset; + +	offset = romfs_resolve (PART_OFFSET (info), HEADERSIZE (sb->name), +				sb->size, 1, strtok (filename, "/")); +	if (offset <= 0) +		return offset; + +	inode = (struct romfs_inode *)(PART_OFFSET (info) + offset); +	data = (char *)((int)inode + HEADERSIZE (inode->name)); +	pocet = inode->size; +	while (pocet--) { +		*loadoffset++ = *data++; +	} +	return inode->size; +} + +static int romfs_list_inode (struct part_info *info, unsigned long offset) +{ +	struct romfs_inode *inode = +			(struct romfs_inode *)(PART_OFFSET (info) + offset); +	struct romfs_inode *hardlink = NULL; +	char str[3], *data; + +/* + *	mapping		spec.info means + * 0	hard link	link destination [file header] + * 1	directory	first file's header + * 2	regular file	unused, must be zero [MBZ] + * 3	symbolic link	unused, MBZ (file data is the link content) + * 4	block device	16/16 bits major/minor number + * 5	char device		- " - + * 6	socket		unused, MBZ + * 7	fifo		unused, MBZ + */ +	char attributes[] = "hdflbcsp"; +	str[0] = attributes[inode->next & 0x7]; +	str[1] = (inode->next & 0x8) ? 'x' : '-'; +	str[2] = '\0'; + +	if ((str[0] == 'b') || (str[0] == 'c')) { +#ifdef DEBUG_ROMFS +		printf (" %s  %3d,%3d %12s 0x%08x 0x%08x", str, +			(inode->spec & 0xffff0000) >> 16, +			inode->spec & 0x0000ffff, inode->name, inode, +			inode->spec); +#else +		printf (" %s  %3d,%3d %12s", str, +			(inode->spec & 0xffff0000) >> 16, +			inode->spec & 0x0000ffff); +#endif +	} else { +#ifdef DEBUG_ROMFS +		printf (" %s  %7d %12s 0x%08x 0x%08x", str, inode->size, +			inode->name, inode, inode->spec); +#else +		printf (" %s  %7d %12s", str, inode->size, inode->name); +#endif +		if (str[0] == 'l') { +			data = (char *)((int)inode + HEADERSIZE (inode->name)); +			puts (" -> "); +			puts (data); +		} +		if (str[0] == 'h') { +			hardlink = (struct romfs_inode *)(PART_OFFSET (info) + +						inode->spec); +			puts (" -> "); +			puts (hardlink->name); +		} +	} +	puts ("\n"); +	return ALIGN (inode->next); +} + +int romfs_ls (struct part_info *info, char *filename) +{ +	struct romfs_inode *inode; +	unsigned long inodeoffset = 0, nextoffset; +	unsigned long offset, size; +	struct romfs_super *sb; +	sb = (struct romfs_super *)PART_OFFSET (info); + +	if (strlen (filename) == 0 || !strcmp (filename, "/")) { +		offset = HEADERSIZE (sb->name); +		size = sb->size; +	} else { +		offset = romfs_resolve (PART_OFFSET (info), +			HEADERSIZE (sb->name), sb->size, 1, +			strtok (filename, "/")); + +		if (offset == 0) { +			return offset; +		} +		inode = (struct romfs_inode *)(PART_OFFSET (info) + offset); +		if ((inode->next & 0x7) != 1) { +			return (romfs_list_inode (info, offset) > 0); +		} + +		size = sb->size; +		offset = offset + HEADERSIZE (inode->name); +	} + +	inodeoffset = offset + inodeoffset; +	while (inodeoffset < size) { +		nextoffset = romfs_list_inode (info, inodeoffset); +		if (nextoffset == 0) +			break; +		inodeoffset = nextoffset; +	} +	return 1; +} + +int romfs_info (struct part_info *info) +{ +	struct romfs_super *sb; +	sb = (struct romfs_super *)PART_OFFSET (info); + +	printf ("name: \t\t%s, len %d B\n", sb->name, strlen (sb->name)); +	printf ("size of SB:\t%d B\n", HEADERSIZE (sb->name)); +	printf ("full size:\t%d B\n", sb->size); +	printf ("checksum:\t0x%x\n", sb->checksum); +	return 0; +} + +int romfs_check (struct part_info *info) +{ +	struct romfs_super *sb; +	if (info->dev->id->type != MTD_DEV_TYPE_NOR) +		return 0; + +	sb = (struct romfs_super *)PART_OFFSET (info); +	if ((sb->word0 != 0x2D726F6D) || (sb->word1 != 0x3166732D)) { +		return 0; +	} +	return 1; +} + +#endif diff --git a/include/configs/ml401.h b/include/configs/ml401.h index 7eeae708a..831929882 100644 --- a/include/configs/ml401.h +++ b/include/configs/ml401.h @@ -32,6 +32,7 @@  #define	CONFIG_ML401		1	/* ML401 Board */  /* uart */ +#define	XILINX_UARTLITE  #define	CONFIG_SERIAL_BASE	XILINX_UART_BASEADDR  #define	CONFIG_BAUDRATE		XILINX_UART_BAUDRATE  #define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE } @@ -86,7 +87,7 @@   * 0x11FB_F000	CFG_MONITOR_BASE   *					MONITOR_CODE	256kB	Env   * 0x13FF_F000	CFG_GBL_DATA_OFFSET - * 					GLOBAL_DATA	4kB	bd, gd + *					GLOBAL_DATA	4kB	bd, gd   * 0x1400_0000	CFG_SDRAM_BASE + CFG_SDRAM_SIZE   */ @@ -99,7 +100,7 @@  /* global pointer */  #define	CFG_GBL_DATA_SIZE	0x1000	/* size of global data */  /* start of global data */ -#define	CFG_GBL_DATA_OFFSET     (CFG_SDRAM_BASE + CFG_SDRAM_SIZE - CFG_GBL_DATA_SIZE) +#define	CFG_GBL_DATA_OFFSET	(CFG_SDRAM_BASE + CFG_SDRAM_SIZE - CFG_GBL_DATA_SIZE)  /* monitor code */  #define	SIZE			0x40000 @@ -153,7 +154,6 @@  #define CONFIG_BOOTP_GATEWAY  #define CONFIG_BOOTP_HOSTNAME -  /*   * Command line configuration.   */ @@ -210,10 +210,10 @@  #define	CONFIG_BOOTDELAY	30  #define	CONFIG_BOOTARGS		"root=romfs"  #define	CONFIG_HOSTNAME		"ml401" -#define	CONFIG_BOOTCOMMAND 	"base 0;tftp 11000000 image.img;bootm" +#define	CONFIG_BOOTCOMMAND	"base 0;tftp 11000000 image.img;bootm"  #define	CONFIG_IPADDR		192.168.0.3 -#define	CONFIG_SERVERIP 	192.168.0.5 -#define	CONFIG_GATEWAYIP 	192.168.0.1 +#define	CONFIG_SERVERIP		192.168.0.5 +#define	CONFIG_GATEWAYIP	192.168.0.1  #define	CONFIG_ETHADDR		00:E0:0C:00:00:FD  /* architecture dependent code */ diff --git a/include/configs/suzaku.h b/include/configs/suzaku.h index 08ac9cbd5..22c529b69 100644 --- a/include/configs/suzaku.h +++ b/include/configs/suzaku.h @@ -48,6 +48,7 @@  #define CFG_MALLOC_LEN		(256 << 10)	/* Reserve 256 kB for malloc */  #define CFG_MALLOC_BASE		(CFG_MONITOR_BASE - (1024 * 1024)) +#define XILINX_UARTLITE  #define CONFIG_BAUDRATE		115200  #define CFG_BAUDRATE_TABLE	{ 115200 } @@ -108,4 +109,6 @@  #define CFG_GBL_DATA_OFFSET    (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)  #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET +#define XILINX_CLOCK_FREQ	50000000 +  #endif	/* __CONFIG_H */ diff --git a/include/configs/xupv2p.h b/include/configs/xupv2p.h index 35001d7ad..b93b3876b 100644 --- a/include/configs/xupv2p.h +++ b/include/configs/xupv2p.h @@ -31,13 +31,34 @@  #define	CONFIG_XUPV2P		1  /* uart */ -#define	CONFIG_SERIAL_BASE	XILINX_UART_BASEADDR -#define	CONFIG_BAUDRATE		XILINX_UART_BAUDRATE +#ifdef XILINX_UARTLITE_BASEADDR +#define	XILINX_UARTLITE +#define	CONFIG_SERIAL_BASE	XILINX_UARTLITE_BASEADDR +#define	CONFIG_BAUDRATE		XILINX_UARTLITE_BAUDRATE  #define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE } +#else +#ifdef XILINX_UART16550_BASEADDR +#define CFG_NS16550 +#define CFG_NS16550_SERIAL +#define CFG_NS16550_REG_SIZE	4 +#define CONFIG_CONS_INDEX	1 +#define CFG_NS16550_COM1	XILINX_UART16550_BASEADDR +#define CFG_NS16550_CLK		XILINX_UART16550_CLOCK_HZ + +#define	CONFIG_BAUDRATE		115200 +#define	CFG_BAUDRATE_TABLE	{ 9600, 115200 } +#endif +#endif  /* ethernet */ -#define CONFIG_EMAC	1 -#define XPAR_EMAC_0_DEVICE_ID	XPAR_XEMAC_NUM_INSTANCES +#ifdef XILINX_EMAC_BASEADDR +#define XILINX_EMAC	1 +#else +#ifdef XILINX_EMACLITE_BASEADDR +#define XILINX_EMACLITE	1 +#endif +#endif +#undef ET_DEBUG  /*   * setting reset address @@ -48,11 +69,13 @@   * U-BOOT auto-relocate to TEXT_BASE. After RESET command Microblaze   * jump to CFG_RESET_ADDRESS where is the original U-BOOT code.   */ -#define	CFG_RESET_ADDRESS	0x36000000 +/* #define	CFG_RESET_ADDRESS	0x36000000 */  /* gpio */ +#ifdef XILINX_GPIO_BASEADDR  #define	CFG_GPIO_0		1  #define	CFG_GPIO_0_ADDR		XILINX_GPIO_BASEADDR +#endif  /* interrupt controller */  #define	CFG_INTC_0		1 @@ -119,7 +142,6 @@  #define	CFG_ENV_SIZE		0x1000  #define	CFG_ENV_ADDR		(CFG_MONITOR_BASE - CFG_ENV_SIZE) -  /*   * BOOTP options   */ @@ -128,7 +150,6 @@  #define CONFIG_BOOTP_GATEWAY  #define CONFIG_BOOTP_HOSTNAME -  /*   * Command line configuration.   */ @@ -147,10 +168,13 @@  #define CONFIG_CMD_LOADS  #define CONFIG_CMD_LOADB  #define CONFIG_CMD_MISC -#define CONFIG_CMD_FAT -#define CONFIG_CMD_EXT2  #define CONFIG_CMD_PING +#define CONFIG_CMD_MFSL +#ifdef XILINX_SYSACE_BASEADDR +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#endif  /* Miscellaneous configurable options */  #define	CFG_PROMPT	"U-Boot-mONStR> " @@ -162,7 +186,7 @@  #define	CONFIG_BOOTDELAY 	30  #define	CONFIG_BOOTARGS		"root=romfs" -#define	CONFIG_HOSTNAME		"ml401" +#define	CONFIG_HOSTNAME		"xupv2p"  #define	CONFIG_BOOTCOMMAND 	"base 0;tftp 11000000 image.img;bootm"  #define	CONFIG_IPADDR		192.168.0.3  #define	CONFIG_SERVERIP 	192.168.0.5 @@ -178,11 +202,13 @@  	"echo"  /* system ace */ +#ifdef XILINX_SYSACE_BASEADDR  #define	CONFIG_SYSTEMACE  /* #define DEBUG_SYSTEMACE */  #define	SYSTEMACE_CONFIG_FPGA  #define	CFG_SYSTEMACE_BASE	XILINX_SYSACE_BASEADDR  #define	CFG_SYSTEMACE_WIDTH	XILINX_SYSACE_MEM_WIDTH  #define	CONFIG_DOS_PARTITION +#endif  #endif	/* __CONFIG_H */ diff --git a/lib_microblaze/time.c b/lib_microblaze/time.c index 3fa1b1126..0fef83499 100644 --- a/lib_microblaze/time.c +++ b/lib_microblaze/time.c @@ -26,9 +26,17 @@  #include <common.h> +#ifdef CFG_TIMER_0  void udelay (unsigned long usec)  {  	int i;  	i = get_timer (0);  	while ((get_timer (0) - i) < (usec / 1000)) ;  } +#else +void udelay (unsigned long usec) +{ +	unsigned int i; +	for (i = 0; i < (usec * XILINX_CLOCK_FREQ / 10000000); i++); +} +#endif |