Add support for AT91SAM9G20-EK1.1.5-at91-200804302040

This patch adds support for the AT91SAM9G20-EK board.  It comes from the patch
u-boot-1.1.5_atmel_1.6.diff, courtesy of linux4sam.org.

Signed-off-by: Justin Waters <justin.waters@timesys.com>

1 files changed, 241 insertions, 0 deletions

diff --git a/include/configs/at91sam9g20ek.h b/include/configs/at91sam9g20ek.h
new file mode 100644
index 00000000000..306f2940833
--- /dev/null
+++ b/include/configs/at91sam9g20ek.h
@@ -0,0 +1,241 @@
+/*
+ * (C) Copyright 2008
+ * ATMEL Corporation.
+ *
+ * Rick Bronson <rick@efn.org>
+ *
+ * Configuation settings for the AT91SAM9260EK board.
+ *
+ * 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
+
+/*
+ * If we are developing, we might want to start armboot from ram
+ * so we MUST NOT initialize critical regs like mem-timing ...
+ */
+
+/* ARM asynchronous clock */
+#define AT91C_MASTER_CLOCK	132096000	/* peripheral clock */
+
+
+#define AT91_SLOW_CLOCK		32768	/* slow clock */
+
+#define CFG_HZ 			1000
+
+#define CONFIG_AT91SAM9260EK		1	/* on an AT91SAM9260EK Board	 */
+#undef  CONFIG_USE_IRQ				/* we don't need IRQ/FIQ stuff */
+#define CONFIG_CMDLINE_TAG	        1	/* enable passing of ATAGs	*/
+#define CONFIG_SETUP_MEMORY_TAGS        1
+#define CONFIG_INITRD_TAG	        1
+
+/* define this to include the functionality of boot.bin in u-boot */
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SKIP_RELOCATE_UBOOT
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN	(3*CFG_ENV_SIZE + 128*1024)
+#define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+
+#define CONFIG_BAUDRATE         115200
+
+/*
+ * Hardware drivers
+ */
+
+/* define one of these to choose the DBGU, USART0  or USART1 as console */
+#define CONFIG_DBGU       1
+#undef CONFIG_USART0
+#undef CONFIG_USART1
+#undef CONFIG_USART2
+
+#undef	CONFIG_HWFLOW			/* don't include RTS/CTS flow control support	*/
+
+#undef	CONFIG_MODEM_SUPPORT		/* disable modem initialization stuff */
+
+#define CONFIG_BOOTDELAY      3
+
+/* #define CONFIG_ENV_OVERWRITE  1 */
+#define BOARD_LATE_INIT		1
+
+#define CONFIG_COMMANDS		\
+		       ((CONFIG_CMD_DFL	| \
+                        CFG_CMD_NET | \
+			CFG_CMD_PING | \
+                        CFG_CMD_ENV | \
+                        CFG_CMD_USB | \
+                        CFG_CMD_FLASH | \
+			CFG_CMD_NAND | \
+			CFG_CMD_AUTOSCRIPT | \
+                        CFG_CMD_FAT ) & \
+		      ~(CFG_CMD_BDI | \
+			CFG_CMD_IMLS | \
+			CFG_CMD_IMI | \
+			CFG_CMD_FPGA | \
+			CFG_CMD_MISC | \
+			CFG_CMD_LOADS))
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define NAND_MAX_CHIPS		       1	/* Max number of NAND devices	*/
+#define CFG_MAX_NAND_DEVICE            1	/* Max number of NAND devices	*/
+#define CFG_NAND_BASE                  0x40000000
+#define CONFIG_NEW_NAND_CODE
+
+#define ADDR_COLUMN                    1
+#define ADDR_PAGE                      2
+#define ADDR_COLUMN_PAGE               3
+
+#define NAND_ChipID_UNKNOWN	       0
+#define NAND_MAX_FLOORS                1
+#undef  CFG_NAND_WP
+
+
+
+/* These timings are specific to MT29F2G16AAB 256Mb (Micron) 
+ * at MCK = 100 MHZ
+ */
+
+#define AT91C_SM_NWE_SETUP	(0 << 0)
+#define AT91C_SM_NCS_WR_SETUP	(0 << 8)
+#define AT91C_SM_NRD_SETUP	(0 << 16)
+#define AT91C_SM_NCS_RD_SETUP	(0 << 24)
+  
+#define AT91C_SM_NWE_PULSE 	(4 << 0)
+#define AT91C_SM_NCS_WR_PULSE	(6 << 8)
+#define AT91C_SM_NRD_PULSE	(3 << 16)
+#define AT91C_SM_NCS_RD_PULSE	(5 << 24)
+  
+#define AT91C_SM_NWE_CYCLE 	(6 << 0)
+#define AT91C_SM_NRD_CYCLE	(5 << 16)
+
+#define AT91C_SM_TDF	        (1 << 16)		
+
+
+
+#define CONFIG_NR_DRAM_BANKS            1
+#define PHYS_SDRAM                      0x20000000
+#define PHYS_SDRAM_SIZE                 0x4000000  /* 64 megs */
+
+#define CFG_MEMTEST_START		PHYS_SDRAM
+#define CFG_MEMTEST_END			CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
+
+#define CONFIG_DRIVER_ETHER             1
+#define CONFIG_AT91C_USE_RMII		1
+#define AT91C_PHY_ADDR			0
+#define AT91C_ETH_TIMEOUT		120000
+#define CONFIG_NET_RETRY_COUNT		5000
+#define CONFIG_TFTP_TIMEOUT             2500
+
+#define CONFIG_HAS_DATAFLASH		1
+#define CFG_SPI_WRITE_TOUT		(50*CFG_HZ)
+
+/* AC Characteristics */
+/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
+#define DATAFLASH_TCSS	(0x22 << 16)
+#define DATAFLASH_TCHS	(0x1 << 24)
+
+#define CFG_MAX_DATAFLASH_BANKS 	2
+#define CFG_MAX_DATAFLASH_PAGES 	16384
+#define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* Logical adress for CS0 */
+#define CFG_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* Logical adress for CS1 */
+
+#define CFG_NO_FLASH			1
+#define PHYS_FLASH_1			0x10000000
+#define PHYS_FLASH_SIZE			0x800000  	/* 2 megs main flash */
+#define CFG_FLASH_BASE			PHYS_FLASH_1
+#define CFG_MAX_FLASH_BANKS		1
+#define CFG_MAX_FLASH_SECT		256
+#define CFG_FLASH_ERASE_TOUT		(2*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT		(2*CFG_HZ) /* Timeout for Flash Write */
+
+#undef	CFG_ENV_IS_IN_FLASH
+#define	CFG_ENV_IS_IN_DATAFLASH         1
+#undef CFG_ENV_IS_IN_NAND              
+
+#ifdef CFG_ENV_IS_IN_NAND
+#define CFG_ENV_OFFSET		0x60000		/* environment starts here  */
+#define	CFG_ENV_OFFSET_REDUND	0x80000		/* redundant environment starts here */
+#define CFG_ENV_SIZE		0x20000 	/* 1 sector = 128kB */
+#endif
+
+#ifdef CFG_ENV_IS_IN_DATAFLASH
+#define CFG_ENV_OFFSET			0x4000
+#define CFG_ENV_ADDR			(CFG_DATAFLASH_LOGIC_ADDR_CS1 + CFG_ENV_OFFSET)
+#define CFG_ENV_SIZE			0x4000  /* 0x8000 */
+#endif
+
+#ifdef CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_ADDR			(PHYS_FLASH_1 + 0xe000)  /* between boot.bin and u-boot.bin.gz */
+#define CFG_ENV_SIZE			0x2000  /* 0x8000 */
+#endif
+
+/* Add USB stuff */
+#define CONFIG_USB_OHCI			1
+#define CONFIG_USB_STORAGE		1
+#define CONFIG_DOS_PARTITION	        1
+#define LITTLEENDIAN 			1
+
+#define CFG_LOAD_ADDR		0x23f00000  /* default load address */
+
+#define CFG_BOOT_SIZE		0x6000 /* 24 KBytes */
+#define CFG_U_BOOT_BASE		(PHYS_FLASH_1 + 0x10000)
+#define CFG_U_BOOT_SIZE		0x10000 /* 64 KBytes */
+
+
+#define CFG_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
+#define CFG_CONSOLE_IS_SERIAL
+#undef  CFG_CONSOLE_IS_LCD   
+#define CFG_PROMPT		"U-Boot> "	/* Monitor Command Prompt */
+#define CFG_CBSIZE		256		/* Console I/O Buffer Size */
+#define CFG_MAXARGS		16		/* max number of command args */
+#define CFG_PBSIZE		(CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+
+
+#ifndef __ASSEMBLY__
+/*-----------------------------------------------------------------------
+ * Board specific extension for bd_info
+ *
+ * This structure is embedded in the global bd_info (bd_t) structure
+ * and can be used by the board specific code (eg board/...)
+ */
+
+struct bd_info_ext {
+	/* helper variable for board environment handling
+	 *
+	 * env_crc_valid == 0    =>   uninitialised
+	 * env_crc_valid  > 0    =>   environment crc in flash is valid
+	 * env_crc_valid  < 0    =>   environment crc in flash is invalid
+	 */
+	int env_crc_valid;
+};
+#endif
+
+
+#define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ not supported
+#endif
+
+#endif