[Microblaze][PATCH]

timer support
interrupt controller support
flash support
ethernet support
cache support
board information support
env support
booting image support

adding support for Xilinx ML401

3 files changed, 304 insertions, 0 deletions

diff --git a/include/asm-microblaze/microblaze_intc.h b/include/asm-microblaze/microblaze_intc.h
new file mode 100644
index 0000000..73f732c
--- /dev/null
+++ b/include/asm-microblaze/microblaze_intc.h
@@ -0,0 +1,41 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ *
+ * Michal  SIMEK <monstr@monstr.cz>
+ *
+ * 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
+ */
+
+typedef volatile struct microblaze_intc_t {
+	int isr; /* interrupt status register */
+	int ipr; /* interrupt pending register */
+	int ier; /* interrupt enable register */
+	int iar; /* interrupt acknowledge register */
+	int sie; /* set interrupt enable bits */
+	int cie; /* clear interrupt enable bits */
+	int ivr; /* interrupt vector register */
+	int mer; /* master enable register */
+} microblaze_intc_t;
+
+struct irq_action {
+	interrupt_handler_t *handler; /* pointer to interrupt rutine */
+	void *arg;
+	int count; /* number of interrupt */
+};
+
diff --git a/include/asm-microblaze/microblaze_timer.h b/include/asm-microblaze/microblaze_timer.h
new file mode 100644
index 0000000..b3d194b
--- /dev/null
+++ b/include/asm-microblaze/microblaze_timer.h
@@ -0,0 +1,42 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ *
+ * Michal  SIMEK <monstr@monstr.cz>
+ *
+ * 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
+ */
+
+#define TIMER_ENABLE_ALL    0x400 /* ENALL */
+#define TIMER_PWM           0x200 /* PWMA0 */
+#define TIMER_INTERRUPT     0x100 /* T0INT */
+#define TIMER_ENABLE        0x080 /* ENT0 */
+#define TIMER_ENABLE_INTR   0x040 /* ENIT0 */
+#define TIMER_RESET         0x020 /* LOAD0 */
+#define TIMER_RELOAD        0x010 /* ARHT0 */
+#define TIMER_EXT_CAPTURE   0x008 /* CAPT0 */
+#define TIMER_EXT_COMPARE   0x004 /* GENT0 */
+#define TIMER_DOWN_COUNT    0x002 /* UDT0 */
+#define TIMER_CAPTURE_MODE  0x001 /* MDT0 */
+
+typedef volatile struct microblaze_timer_t {
+	int control; /* control/statuc register TCSR */
+	int loadreg; /* load register TLR */
+	int counter; /* timer/counter register */
+} microblaze_timer_t;
+
diff --git a/include/configs/ml401.h b/include/configs/ml401.h
new file mode 100644
index 0000000..4dc2afc
--- /dev/null
+++ b/include/configs/ml401.h
@@ -0,0 +1,221 @@
+/*
+ * (C) Copyright 2007 Czech Technical University.
+ *
+ * Michal SIMEK <monstr@seznam.cz>
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include "../board/xilinx/ml401/xparameters.h"
+
+#define	CONFIG_MICROBLAZE	1	/* MicroBlaze CPU */
+#define	CONFIG_ML401		1	/* ML401 Board */
+
+/* uart */
+#define	CONFIG_SERIAL_BASE	CONFIG_XILINX_UARTLITE_0_BASEADDR
+#define	CONFIG_BAUDRATE		CONFIG_XILINX_UARTLITE_0_BAUDRATE
+#define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }
+
+/* setting reset address */
+#define	CFG_RESET_ADDRESS	TEXT_BASE
+
+/* gpio */
+#define	CFG_GPIO_0		1
+#define	CFG_GPIO_0_ADDR		CONFIG_XILINX_GPIO_0_BASEADDR
+
+/* interrupt controller */
+#define	CFG_INTC_0		1
+#define	CFG_INTC_0_ADDR		CONFIG_XILINX_INTC_0_BASEADDR
+#define	CFG_INTC_0_NUM		CONFIG_XILINX_INTC_0_NUM_INTR_INPUTS
+
+/* timer */
+#define	CFG_TIMER_0		1
+#define	CFG_TIMER_0_ADDR	CONFIG_XILINX_TIMER_0_BASEADDR
+#define	CFG_TIMER_0_IRQ		CONFIG_XILINX_TIMER_0_IRQ
+#define	FREQUENCE		66666666
+#define	CFG_TIMER_0_PRELOAD	( FREQUENCE/1000 )
+
+/*
+ * memory layout - Example
+ * TEXT_BASE = 0x1200_0000;
+ * CFG_SRAM_BASE = 0x1000_0000;
+ * CFG_SRAM_SIZE = 0x0400_0000;
+ *
+ * CFG_GBL_DATA_OFFSET = 0x1000_0000 + 0x0400_0000 - 0x1000 = 0x13FF_F000
+ * CFG_MONITOR_BASE = 0x13FF_F000 - 0x40000 = 0x13FB_F000
+ *
+ * 0x1000_0000	CFG_SDRAM_BASE
+ *					FREE
+ * 0x1200_0000	TEXT_BASE
+ *		U-BOOT code
+ * 0x1202_0000
+ *					FREE
+ *
+ *					STACK
+ * 0x11FB_F000	CFG_MONITOR_BASE
+ *					MONITOR_CODE
+ * 0x13FF_F000	CFG_GBL_DATA_OFFSET
+ * 					GLOBAL_DATA
+ * 0x1400_0000	CFG_SDRAM_BASE + CFG_SDRAM_SIZE
+ */
+
+/* ddr sdram - main memory */
+#define	CFG_SDRAM_BASE		CONFIG_XILINX_ERAM_START
+#define	CFG_SDRAM_SIZE		CONFIG_XILINX_ERAM_SIZE
+#define	CFG_MEMTEST_START	CFG_SDRAM_BASE
+#define	CFG_MEMTEST_END		(CFG_SDRAM_BASE + 0x1000)
+
+/* global pointer */
+#define	CFG_GBL_DATA_SIZE	0x1000	/* size of global data */
+#define	CFG_GBL_DATA_OFFSET     (CFG_SDRAM_BASE + CFG_SDRAM_SIZE - CFG_GBL_DATA_SIZE) /* start of global data */
+
+/* monitor code */
+#define	SIZE			0x40000
+#define	CFG_MONITOR_LEN		SIZE
+#define	CFG_MONITOR_BASE	(CFG_GBL_DATA_OFFSET - CFG_MONITOR_LEN)
+#define	CFG_MALLOC_LEN		SIZE
+
+/* stack */
+#define	CFG_INIT_SP_OFFSET	CFG_MONITOR_BASE
+
+/*#define	RAMENV */
+#define	FLASH
+
+#ifdef FLASH
+	#define	CFG_FLASH_BASE		CONFIG_XILINX_FLASH_START
+	#define	CFG_FLASH_SIZE		CONFIG_XILINX_FLASH_SIZE
+	#define	CFG_FLASH_CFI		1
+	#define	CFG_FLASH_CFI_DRIVER	1
+	#define	CFG_FLASH_EMPTY_INFO	1	/* ?empty sector */
+	#define	CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
+	#define	CFG_MAX_FLASH_SECT	128	/* max number of sectors on one chip */
+
+	#ifdef	RAMENV
+		#define	CFG_ENV_IS_NOWHERE	1
+		#define	CFG_ENV_SIZE		0x1000
+		#define	CFG_ENV_ADDR		(CFG_MONITOR_BASE - CFG_ENV_SIZE)
+
+	#else	/* !RAMENV */
+		#define	CFG_ENV_IS_IN_FLASH	1
+		#define	CFG_ENV_ADDR		0x40000
+		#define	CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
+		#define	CFG_ENV_SIZE		0x2000
+	#endif /* !RAMBOOT */
+#else /* !FLASH */
+	/* ENV in RAM */
+	#define	CFG_NO_FLASH		1
+	#define	CFG_ENV_IS_NOWHERE	1
+	#define	CFG_ENV_SIZE		0x1000
+	#define	CFG_ENV_ADDR		(CFG_MONITOR_BASE - CFG_ENV_SIZE)
+#endif /* !FLASH */
+
+#ifdef	FLASH
+	#ifdef	RAMENV
+	#define	CONFIG_COMMANDS	(CONFIG__CMD_DFL |\
+				CFG_CMD_MEMORY |\
+				CFG_CMD_MISC |\
+				CFG_CMD_AUTOSCRIPT |\
+				CFG_CMD_IRQ |\
+				CFG_CMD_ASKENV |\
+				CFG_CMD_BDI |\
+				CFG_CMD_RUN |\
+				CFG_CMD_LOADS |\
+				CFG_CMD_LOADB |\
+				CFG_CMD_IMI |\
+				CFG_CMD_NET |\
+				CFG_CMD_CACHE |\
+				CFG_CMD_IMLS |\
+				CFG_CMD_FLASH |\
+				CFG_CMD_PING \
+				)
+	#else	/* !RAMENV */
+	#define	CONFIG_COMMANDS	(CONFIG__CMD_DFL |\
+				CFG_CMD_MEMORY |\
+				CFG_CMD_MISC |\
+				CFG_CMD_AUTOSCRIPT |\
+				CFG_CMD_IRQ |\
+				CFG_CMD_ASKENV |\
+				CFG_CMD_BDI |\
+				CFG_CMD_RUN |\
+				CFG_CMD_LOADS |\
+				CFG_CMD_LOADB |\
+				CFG_CMD_IMI |\
+				CFG_CMD_NET |\
+				CFG_CMD_CACHE |\
+				CFG_CMD_IMLS |\
+				CFG_CMD_FLASH |\
+				CFG_CMD_PING |\
+				CFG_CMD_ENV |\
+				CFG_CMD_SAVES \
+				)
+
+	#endif
+
+#else	/* !FLASH */
+	#define	CONFIG_COMMANDS	(CONFIG__CMD_DFL |\
+				CFG_CMD_MEMORY |\
+				CFG_CMD_MISC |\
+				CFG_CMD_AUTOSCRIPT |\
+				CFG_CMD_IRQ |\
+				CFG_CMD_ASKENV |\
+				CFG_CMD_BDI |\
+				CFG_CMD_RUN |\
+				CFG_CMD_LOADS |\
+				CFG_CMD_LOADB |\
+				CFG_CMD_IMI |\
+				CFG_CMD_NET |\
+				CFG_CMD_CACHE |\
+				CFG_CMD_PING \
+				)
+#endif	/* !FLASH */
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/* Miscellaneous configurable options */
+#define	CFG_PROMPT	"U-Boot-mONStR> "
+#define	CFG_CBSIZE	512	/* size of console buffer */
+#define	CFG_PBSIZE	(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* print buffer size */
+#define	CFG_MAXARGS	15	/* max number of command args */
+#define	CFG_LONGHELP
+#define	CFG_LOAD_ADDR	0x12000000 /* default load address */
+
+#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_IPADDR		192.168.0.3
+#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 */
+#define	CFG_USR_EXCEP	/* user exception */
+#define CFG_HZ	1000
+
+/* system ace */
+/*#define CONFIG_SYSTEMACE
+#define DEBUG_SYSTEMACE
+#define CFG_SYSTEMACE_BASE 0xCF000000
+#define CFG_SYSTEMACE_WIDTH	8
+#define CONFIG_DOS_PARTITION
+*/
+#endif	/* __CONFIG_H */