From f7e2e0eb0668136305f78bb9c21be79b48a34247 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Sat, 5 May 2007 18:27:16 +0200 Subject: new: FSL and MSR support --- common/cmd_mfsl.c | 265 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 265 insertions(+) create mode 100644 common/cmd_mfsl.c (limited to 'common') diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c new file mode 100644 index 000000000..827b75e6c --- /dev/null +++ b/common/cmd_mfsl.c @@ -0,0 +1,265 @@ +/* + * (C) Copyright 2007 Michal Simek + * + * Michal SIMEK + * + * 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 + */ + +/* + * Microblaze FSL support + */ + +#include +#include +#include +#include + +#if (CONFIG_COMMANDS & CFG_CMD_MFSL) + +int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + unsigned int fslnum; + unsigned int num; + unsigned int blocking; + + if (argc < 2) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16); + blocking = (unsigned int)simple_strtoul (argv[2], NULL, 16); + if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) { + puts ("Bad number of FSL\n"); + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + switch (fslnum) { +#if (XILINX_FSL_NUMBER > 0) + case 0: + if (blocking) { + GET (num, 0); + } else { + NGET (num, 0); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 1) + case 1: + if (blocking) { + GET (num, 1); + } else { + NGET (num, 1); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 2) + case 2: + if (blocking) { + GET (num, 2); + } else { + NGET (num, 2); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 3) + case 3: + if (blocking) { + GET (num, 3); + } else { + NGET (num, 3); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 4) + case 4: + if (blocking) { + GET (num, 4); + } else { + NGET (num, 4); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 5) + case 5: + if (blocking) { + GET (num, 5); + } else { + NGET (num, 5); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 6) + case 6: + if (blocking) { + GET (num, 6); + } else { + NGET (num, 6); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 7) + case 7: + if (blocking) { + GET (num, 7); + } else { + NGET (num, 7); + } + break; +#endif + default: + return 1; + } + + printf ("%01x: 0x%08lx - %s read\n", fslnum, num, + blocking ? "blocking" : "non blocking"); + return 0; +} + +int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + unsigned int fslnum; + unsigned int num; + unsigned int blocking; + + if (argc < 3) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16); + num = (unsigned int)simple_strtoul (argv[2], NULL, 16); + blocking = (unsigned int)simple_strtoul (argv[3], NULL, 16); + if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) { + printf ("Bad number of FSL\nUsage:\n%s\n", cmdtp->usage); + return 1; + } + + switch (fslnum) { +#if (XILINX_FSL_NUMBER > 0) + case 0: + if (blocking) { + PUT (num, 0); + } else { + NPUT (num, 0); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 1) + case 1: + if (blocking) { + PUT (num, 1); + } else { + NPUT (num, 1); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 2) + case 2: + if (blocking) { + PUT (num, 2); + } else { + NPUT (num, 2); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 3) + case 3: + if (blocking) { + PUT (num, 3); + } else { + NPUT (num, 3); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 4) + case 4: + if (blocking) { + PUT (num, 4); + } else { + NPUT (num, 4); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 5) + case 5: + if (blocking) { + PUT (num, 5); + } else { + NPUT (num, 5); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 6) + case 6: + if (blocking) { + PUT (num, 6); + } else { + NPUT (num, 6); + } + break; +#endif +#if (XILINX_FSL_NUMBER > 7) + case 7: + if (blocking) { + PUT (num, 7); + } else { + NPUT (num, 7); + } + break; +#endif + default: + return 1; + } + + printf ("%01x: 0x%08lx - %s write\n", fslnum, num, + blocking ? "blocking" : "non blocking"); + return 0; + +} + +int do_rmsr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + int val = 0; + + if (argc < 1) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + RMSR (val); + printf ("rmsr: 0x%08lx\n", val); + return 0; +} + +/***************************************************/ + +U_BOOT_CMD (frd, 3, 1, do_frd, + "frd - read data from FSL\n", + "- [fslnum [0|x]], (0 - non blocking|x - blocking).\n"); + +U_BOOT_CMD (fwr, 4, 1, do_fwr, + "fwr - write data to FSL\n", + "- [fslnum data [0|x]], (0 - non blocking|x - blocking).\n"); + +U_BOOT_CMD (rmsr, 1, 1, do_rmsr, + "rmsr - read MSR register\n", "- read MSR register.\n"); + +#endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */ -- cgit v1.2.3 From ffc50f9bb194343c6303517a517708457a5eb6b8 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Sat, 5 May 2007 18:54:42 +0200 Subject: new: FSL and MSR support #2 --- README | 1 + board/xilinx/ml401/xparameters.h | 3 +++ common/Makefile | 2 +- include/cmd_confdefs.h | 2 ++ include/configs/ml401.h | 3 +++ 5 files changed, 10 insertions(+), 1 deletion(-) (limited to 'common') diff --git a/README b/README index 15428643e..33039f1d9 100644 --- a/README +++ b/README @@ -703,6 +703,7 @@ The following options need to be configured: CFG_CMD_VFD * VFD support (TRAB) CFG_CMD_BSP * Board SPecific functions CFG_CMD_CDP * Cisco Discover Protocol support + CFG_CMD_FSL * Microblaze FSL support ----------------------------------------------- CFG_CMD_ALL all diff --git a/board/xilinx/ml401/xparameters.h b/board/xilinx/ml401/xparameters.h index 4fe36f8a9..f63ffed3d 100644 --- a/board/xilinx/ml401/xparameters.h +++ b/board/xilinx/ml401/xparameters.h @@ -29,6 +29,9 @@ /* System Clock Frequency */ #define XILINX_CLOCK_FREQ 100000000 +/* Microblaze is microblaze_0 */ +#define XILINX_FSL_NUMBER 2 + /* Interrupt controller is intc_0 */ #define XILINX_INTC_BASEADDR 0x41200000 #define XILINX_INTC_NUM_INTR_INPUTS 4 diff --git a/common/Makefile b/common/Makefile index 6f81c4abc..c088821a5 100644 --- a/common/Makefile +++ b/common/Makefile @@ -50,7 +50,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o cmd_autoscript.o \ memsize.o miiphybb.o miiphyutil.o \ s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o spartan3.o \ usb.o usb_kbd.o usb_storage.o \ - virtex2.o xilinx.o crc16.o xyzModem.o cmd_mac.o + virtex2.o xilinx.o crc16.o xyzModem.o cmd_mac.o cmd_mfsl.o SRCS := $(AOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(AOBJS) $(COBJS)) diff --git a/include/cmd_confdefs.h b/include/cmd_confdefs.h index cf3658310..b3ccdcea2 100644 --- a/include/cmd_confdefs.h +++ b/include/cmd_confdefs.h @@ -94,6 +94,7 @@ #define CFG_CMD_EXT2 0x1000000000000000ULL /* EXT2 Support */ #define CFG_CMD_SNTP 0x2000000000000000ULL /* SNTP support */ #define CFG_CMD_DISPLAY 0x4000000000000000ULL /* Display support */ +#define CFG_CMD_MFSL 0x8000000000000000ULL /* FSL support for Microblaze */ #define CFG_CMD_ALL 0xFFFFFFFFFFFFFFFFULL /* ALL commands */ @@ -125,6 +126,7 @@ CFG_CMD_IRQ | \ CFG_CMD_JFFS2 | \ CFG_CMD_KGDB | \ + CFG_CMD_MFSL | \ CFG_CMD_MII | \ CFG_CMD_MMC | \ CFG_CMD_NAND | \ diff --git a/include/configs/ml401.h b/include/configs/ml401.h index acaa1e4f2..f3ef962a7 100644 --- a/include/configs/ml401.h +++ b/include/configs/ml401.h @@ -161,6 +161,7 @@ CFG_CMD_ECHO |\ CFG_CMD_IMLS |\ CFG_CMD_FLASH |\ + CFG_CMD_MFSL |\ CFG_CMD_PING \ ) #else /* !RAMENV */ @@ -185,6 +186,7 @@ CFG_CMD_EXT2 |\ CFG_CMD_JFFS2 |\ CFG_CMD_ECHO |\ + CFG_CMD_MFSL |\ CFG_CMD_SAVES \ ) @@ -206,6 +208,7 @@ CFG_CMD_IMI |\ CFG_CMD_NET |\ CFG_CMD_CACHE |\ + CFG_CMD_MFSL |\ CFG_CMD_PING \ ) #endif /* !FLASH */ -- cgit v1.2.3 From 48fbd3a4cdabbebc1debd7eed73c00c2caf914f6 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 7 May 2007 17:11:09 +0200 Subject: new: add writing to msr register --- board/xilinx/ml401/xparameters.h | 34 +++++++++++++++++++--------------- common/cmd_mfsl.c | 14 ++++++++++---- include/asm-microblaze/asm.h | 12 +++++++++--- 3 files changed, 38 insertions(+), 22 deletions(-) mode change 100644 => 100755 board/xilinx/ml401/xparameters.h (limited to 'common') diff --git a/board/xilinx/ml401/xparameters.h b/board/xilinx/ml401/xparameters.h old mode 100644 new mode 100755 index f63ffed3d..2b0c045b9 --- a/board/xilinx/ml401/xparameters.h +++ b/board/xilinx/ml401/xparameters.h @@ -21,50 +21,54 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * - * * CAUTION: This file is automatically generated by libgen. - * Version: Xilinx EDK 6.3 EDK_Gmm.12.3 + * Version: Xilinx EDK 8.2.02 EDK_Im_Sp2.4 */ /* System Clock Frequency */ #define XILINX_CLOCK_FREQ 100000000 /* Microblaze is microblaze_0 */ -#define XILINX_FSL_NUMBER 2 +#define XILINX_FSL_NUMBER 3 -/* Interrupt controller is intc_0 */ +/* Interrupt controller is opb_intc_0 */ #define XILINX_INTC_BASEADDR 0x41200000 -#define XILINX_INTC_NUM_INTR_INPUTS 4 +#define XILINX_INTC_NUM_INTR_INPUTS 5 -/* Timer pheriphery is opb_timer_0 */ +/* Timer pheriphery is opb_timer_1 */ #define XILINX_TIMER_BASEADDR 0x41c00000 #define XILINX_TIMER_IRQ 0 -/* Uart pheriphery is console_uart */ +/* Uart pheriphery is RS232_Uart */ #define XILINX_UART_BASEADDR 0x40600000 #define XILINX_UART_BAUDRATE 115200 -/* GPIO is opb_gpio_0*/ -#define XILINX_GPIO_BASEADDR 0x90000000 +/* IIC pheriphery is IIC_EEPROM */ +#define XILINX_IIC_0_BASEADDR 0x40800000 +#define XILINX_IIC_0_FREQ 100000 +#define XILINX_IIC_0_BIT 0 + +/* GPIO is LEDs_4Bit*/ +#define XILINX_GPIO_BASEADDR 0x40000000 -/* Flash Memory is opb_emc_0 */ +/* Flash Memory is FLASH_2Mx32 */ #define XILINX_FLASH_START 0x2c000000 #define XILINX_FLASH_SIZE 0x00800000 -/* Main Memory is plb_ddr_0 */ +/* Main Memory is DDR_SDRAM_64Mx32 */ #define XILINX_RAM_START 0x28000000 #define XILINX_RAM_SIZE 0x04000000 -/* Sysace Controller is opb_sysace_0 */ +/* Sysace Controller is SysACE_CompactFlash */ #define XILINX_SYSACE_BASEADDR 0x41800000 -#define XILINX_SYSACE_HIGHADDR 0x4180FFFF +#define XILINX_SYSACE_HIGHADDR 0x4180ffff #define XILINX_SYSACE_MEM_WIDTH 16 -/* Ethernet controller is opb_ethernet_0 */ +/* 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_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 diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c index 827b75e6c..ca8a8897d 100644 --- a/common/cmd_mfsl.c +++ b/common/cmd_mfsl.c @@ -238,13 +238,19 @@ int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) int do_rmsr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - int val = 0; + unsigned int val = 0; + val = (unsigned int)simple_strtoul (argv[1], NULL, 16); if (argc < 1) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } - RMSR (val); + if (argc > 1) { + MTS (val); + MFS (val); + } else { + MFS (val); + } printf ("rmsr: 0x%08lx\n", val); return 0; } @@ -259,7 +265,7 @@ U_BOOT_CMD (fwr, 4, 1, do_fwr, "fwr - write data to FSL\n", "- [fslnum data [0|x]], (0 - non blocking|x - blocking).\n"); -U_BOOT_CMD (rmsr, 1, 1, do_rmsr, +U_BOOT_CMD (rmsr, 3, 1, do_rmsr, "rmsr - read MSR register\n", "- read MSR register.\n"); -#endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */ +#endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */ diff --git a/include/asm-microblaze/asm.h b/include/asm-microblaze/asm.h index 67475725e..fcda31f4a 100644 --- a/include/asm-microblaze/asm.h +++ b/include/asm-microblaze/asm.h @@ -31,7 +31,13 @@ __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val)); #define PUT(val, fslnum) \ __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val)); - + /* CPU dependent */ -#define RMSR(val) \ - __asm__ __volatile__ ("mfs %0,rmsr":"=r" (val)); +#define MFS(val) \ + __asm__ __volatile__ ("mfs %0, rmsr":"=r" (val)); + +#define MTS(val) \ + __asm__ __volatile__ ("mts rmsr, %0"::"r" (val)); + +#define R14(val) \ + __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val)); -- cgit v1.2.3 From a7bac7e9b57ba948051beb19ec5be3a75ce75383 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 7 May 2007 19:43:10 +0200 Subject: fix: read and write MSR - repair number of parameters --- common/cmd_mfsl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'common') diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c index ca8a8897d..7aa37afd3 100644 --- a/common/cmd_mfsl.c +++ b/common/cmd_mfsl.c @@ -265,7 +265,7 @@ U_BOOT_CMD (fwr, 4, 1, do_fwr, "fwr - write data to FSL\n", "- [fslnum data [0|x]], (0 - non blocking|x - blocking).\n"); -U_BOOT_CMD (rmsr, 3, 1, do_rmsr, +U_BOOT_CMD (rmsr, 2, 1, do_rmsr, "rmsr - read MSR register\n", "- read MSR register.\n"); #endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */ -- cgit v1.2.3 From ab874d5047e5d30dbc1e517ff26083efffa98ecb Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 8 May 2007 14:39:11 +0200 Subject: add: FSL control read and write --- common/cmd_mfsl.c | 267 +++++++++++++++++++++++++++++++------------ include/asm-microblaze/asm.h | 15 +++ 2 files changed, 210 insertions(+), 72 deletions(-) (limited to 'common') diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c index 7aa37afd3..3032489f0 100644 --- a/common/cmd_mfsl.c +++ b/common/cmd_mfsl.c @@ -55,73 +55,129 @@ int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) switch (fslnum) { #if (XILINX_FSL_NUMBER > 0) case 0: - if (blocking) { - GET (num, 0); - } else { - NGET (num, 0); + switch (blocking) { + case 0: NGET (num, 0); + break; + case 1: NCGET (num, 0); + break; + case 2: GET (num, 0); + break; + case 3: CGET (num, 0); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 1) case 1: - if (blocking) { - GET (num, 1); - } else { - NGET (num, 1); + switch (blocking) { + case 0: NGET (num, 1); + break; + case 1: NCGET (num, 1); + break; + case 2: GET (num, 1); + break; + case 3: CGET (num, 1); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 2) case 2: - if (blocking) { - GET (num, 2); - } else { - NGET (num, 2); + switch (blocking) { + case 0: NGET (num, 2); + break; + case 1: NCGET (num, 2); + break; + case 2: GET (num, 2); + break; + case 3: CGET (num, 2); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 3) case 3: - if (blocking) { - GET (num, 3); - } else { - NGET (num, 3); + switch (blocking) { + case 0: NGET (num, 3); + break; + case 1: NCGET (num, 3); + break; + case 2: GET (num, 3); + break; + case 3: CGET (num, 3); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 4) case 4: - if (blocking) { - GET (num, 4); - } else { - NGET (num, 4); + switch (blocking) { + case 0: NGET (num, 4); + break; + case 1: NCGET (num, 4); + break; + case 2: GET (num, 4); + break; + case 3: CGET (num, 4); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 5) case 5: - if (blocking) { - GET (num, 5); - } else { - NGET (num, 5); + switch (blocking) { + case 0: NGET (num, 5); + break; + case 1: NCGET (num, 5); + break; + case 2: GET (num, 5); + break; + case 3: CGET (num, 5); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 6) case 6: - if (blocking) { - GET (num, 6); - } else { - NGET (num, 6); + switch (blocking) { + case 0: NGET (num, 6); + break; + case 1: NCGET (num, 6); + break; + case 2: GET (num, 6); + break; + case 3: CGET (num, 6); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 7) case 7: - if (blocking) { - GET (num, 7); - } else { - NGET (num, 7); + switch (blocking) { + case 0: NGET (num, 7); + break; + case 1: NCGET (num, 7); + break; + case 2: GET (num, 7); + break; + case 3: CGET (num, 7); + break; + default: + return 2; } break; #endif @@ -129,8 +185,9 @@ int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return 1; } - printf ("%01x: 0x%08lx - %s read\n", fslnum, num, - blocking ? "blocking" : "non blocking"); + printf ("%01x: 0x%08lx - %s %s read\n", fslnum, num, + blocking < 2 ? "non blocking" : "blocking", + ((blocking == 1) || (blocking == 3)) ? "control" : "data" ); return 0; } @@ -156,73 +213,129 @@ int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) switch (fslnum) { #if (XILINX_FSL_NUMBER > 0) case 0: - if (blocking) { - PUT (num, 0); - } else { - NPUT (num, 0); + switch (blocking) { + case 0: NPUT (num, 0); + break; + case 1: NCPUT (num, 0); + break; + case 2: PUT (num, 0); + break; + case 3: CPUT (num, 0); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 1) case 1: - if (blocking) { - PUT (num, 1); - } else { - NPUT (num, 1); + switch (blocking) { + case 0: NPUT (num, 1); + break; + case 1: NCPUT (num, 1); + break; + case 2: PUT (num, 1); + break; + case 3: CPUT (num, 1); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 2) case 2: - if (blocking) { - PUT (num, 2); - } else { - NPUT (num, 2); + switch (blocking) { + case 0: NPUT (num, 2); + break; + case 1: NCPUT (num, 2); + break; + case 2: PUT (num, 2); + break; + case 3: CPUT (num, 2); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 3) case 3: - if (blocking) { - PUT (num, 3); - } else { - NPUT (num, 3); + switch (blocking) { + case 0: NPUT (num, 3); + break; + case 1: NCPUT (num, 3); + break; + case 2: PUT (num, 3); + break; + case 3: CPUT (num, 3); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 4) case 4: - if (blocking) { - PUT (num, 4); - } else { - NPUT (num, 4); + switch (blocking) { + case 0: NPUT (num, 4); + break; + case 1: NCPUT (num, 4); + break; + case 2: PUT (num, 4); + break; + case 3: CPUT (num, 4); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 5) case 5: - if (blocking) { - PUT (num, 5); - } else { - NPUT (num, 5); + switch (blocking) { + case 0: NPUT (num, 5); + break; + case 1: NCPUT (num, 5); + break; + case 2: PUT (num, 5); + break; + case 3: CPUT (num, 5); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 6) case 6: - if (blocking) { - PUT (num, 6); - } else { - NPUT (num, 6); + switch (blocking) { + case 0: NPUT (num, 6); + break; + case 1: NCPUT (num, 6); + break; + case 2: PUT (num, 6); + break; + case 3: CPUT (num, 6); + break; + default: + return 2; } break; #endif #if (XILINX_FSL_NUMBER > 7) case 7: - if (blocking) { - PUT (num, 7); - } else { - NPUT (num, 7); + switch (blocking) { + case 0: NPUT (num, 7); + break; + case 1: NCPUT (num, 7); + break; + case 2: PUT (num, 7); + break; + case 3: CPUT (num, 7); + break; + default: + return 2; } break; #endif @@ -230,8 +343,9 @@ int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return 1; } - printf ("%01x: 0x%08lx - %s write\n", fslnum, num, - blocking ? "blocking" : "non blocking"); + printf ("%01x: 0x%08lx - %s %s write\n", fslnum, num, + blocking < 2 ? "non blocking" : "blocking", + ((blocking == 1) || (blocking == 3)) ? "control" : "data" ); return 0; } @@ -258,12 +372,21 @@ int do_rmsr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) /***************************************************/ U_BOOT_CMD (frd, 3, 1, do_frd, - "frd - read data from FSL\n", - "- [fslnum [0|x]], (0 - non blocking|x - blocking).\n"); + "frd - read data from FSL\n", + "- [fslnum [0|1|2|3]]\n" + " 0 - non blocking data read\n" + " 1 - non blocking control read\n" + " 2 - blocking data read\n" + " 3 - blocking control read\n"); + U_BOOT_CMD (fwr, 4, 1, do_fwr, - "fwr - write data to FSL\n", - "- [fslnum data [0|x]], (0 - non blocking|x - blocking).\n"); + "fwr - write data to FSL\n", + "- [fslnum [0|1|2|3]]\n" + " 0 - non blocking data write\n" + " 1 - non blocking control write\n" + " 2 - blocking data write\n" + " 3 - blocking control write\n"); U_BOOT_CMD (rmsr, 2, 1, do_rmsr, "rmsr - read MSR register\n", "- read MSR register.\n"); diff --git a/include/asm-microblaze/asm.h b/include/asm-microblaze/asm.h index c59854a86..26e369119 100755 --- a/include/asm-microblaze/asm.h +++ b/include/asm-microblaze/asm.h @@ -25,13 +25,28 @@ /* FSL macros */ #define NGET(val, fslnum) \ __asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val)); + #define GET(val, fslnum) \ __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val)); + +#define NCGET(val, fslnum) \ + __asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val)); + +#define CGET(val, fslnum) \ + __asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val)); + #define NPUT(val, fslnum) \ __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val)); + #define PUT(val, fslnum) \ __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val)); +#define NCPUT(val, fslnum) \ + __asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val)); + +#define CPUT(val, fslnum) \ + __asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val)); + /* CPU dependent */ #define MFS(val) \ __asm__ __volatile__ ("mfs %0, rmsr":"=r" (val)); -- cgit v1.2.3 From e69f66c6ebe82bbbd1da766bc4eda40ec7ee5af1 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 8 May 2007 15:57:43 +0200 Subject: add: reading special purpose registers --- common/cmd_mfsl.c | 43 +++++++++++++++++++++++++++++++++---------- cpu/microblaze/exception.c | 4 ++-- include/asm-microblaze/asm.h | 17 ++++++----------- 3 files changed, 41 insertions(+), 23 deletions(-) (limited to 'common') diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c index 3032489f0..26786aa8c 100644 --- a/common/cmd_mfsl.c +++ b/common/cmd_mfsl.c @@ -350,22 +350,41 @@ int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } -int do_rmsr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { + unsigned int reg = 0; unsigned int val = 0; - val = (unsigned int)simple_strtoul (argv[1], NULL, 16); + reg = (unsigned int)simple_strtoul (argv[1], NULL, 16); + val = (unsigned int)simple_strtoul (argv[2], NULL, 16); if (argc < 1) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } - if (argc > 1) { - MTS (val); - MFS (val); - } else { - MFS (val); + switch (reg) { + case 0x1: + if (argc > 2) { + MTS (val, rmsr); + NOP; + MFS (val, rmsr); + + } else { + MFS (val, rmsr); + } + puts ("MSR"); + break; + case 0x3: + MFS (val, rear); + puts ("EAR"); + break; + case 0x5: + MFS (val, resr); + puts ("ESR"); + break; + default: + return 1; } - printf ("rmsr: 0x%08lx\n", val); + printf (": 0x%08lx\n", val); return 0; } @@ -388,7 +407,11 @@ U_BOOT_CMD (fwr, 4, 1, do_fwr, " 2 - blocking data write\n" " 3 - blocking control write\n"); -U_BOOT_CMD (rmsr, 2, 1, do_rmsr, - "rmsr - read MSR register\n", "- read MSR register.\n"); +U_BOOT_CMD (rspr, 3, 1, do_rspr, + "rmsr - 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"); #endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */ diff --git a/cpu/microblaze/exception.c b/cpu/microblaze/exception.c index 87ecbeaa4..d76b05a52 100644 --- a/cpu/microblaze/exception.c +++ b/cpu/microblaze/exception.c @@ -30,9 +30,9 @@ void _hw_exception_handler (void) int address = 0; int state = 0; /* loading address of exception EAR */ - MFSEAR(address); + MFS (address, rear); /* loading excetpion state register ESR */ - MFSESR(state); + MFS (state, resr); printf ("Hardware exception at 0x%x address\n", address); switch (state & 0x1f) { /* mask on exception cause */ case 0x1: diff --git a/include/asm-microblaze/asm.h b/include/asm-microblaze/asm.h index 8302ed885..f10f89c94 100755 --- a/include/asm-microblaze/asm.h +++ b/include/asm-microblaze/asm.h @@ -49,23 +49,18 @@ /* CPU dependent */ /* machine status register */ -#define MFS(val) \ - __asm__ __volatile__ ("mfs %0, rmsr":"=r" (val)); +#define MFS(val, reg) \ + __asm__ __volatile__ ("mfs %0," #reg :"=r" (val)); -#define MTS(val) \ - __asm__ __volatile__ ("mts rmsr, %0"::"r" (val)); - -/* exception status register */ -#define MFSEAR(val) \ - __asm__ __volatile ("mfs %0,rear":"=r" (val)); - -#define MFSESR(val) \ - __asm__ __volatile ("mfs %0,resr":"=r" (val)); +#define MTS(val, reg) \ + __asm__ __volatile__ ("mts " #reg ", %0"::"r" (val)); /* get return address from interrupt */ #define R14(val) \ __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val)); +#define NOP __asm__ __volatile__ ("nop"); + /* use machine status registe USE_MSR_REG */ #ifdef XILINX_USE_MSR_INSTR #define MSRSET(val) \ -- cgit v1.2.3 From 70124c2602ae2d4c5d3dba05b482d91548242de8 Mon Sep 17 00:00:00 2001 From: Stefano Babic Date: Wed, 16 May 2007 14:49:12 +0200 Subject: Fix compile problem cause my Microblaze merge Signed-off-by: Stefano Babic --- common/cmd_mfsl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'common') diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c index 26786aa8c..ffa266693 100644 --- a/common/cmd_mfsl.c +++ b/common/cmd_mfsl.c @@ -29,9 +29,9 @@ #include #include #include -#include #if (CONFIG_COMMANDS & CFG_CMD_MFSL) +#include int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { -- cgit v1.2.3