m68k: add amcore board support

Add Sysam Amcore m68k-based board support.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>

include/configs/amcore.h

@@ -0,0 +1,140 @@
+/*
+ * Sysam AMCORE board configuration
+ *
+ * (C) Copyright 2015  Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __AMCORE_CONFIG_H
+#define __AMCORE_CONFIG_H
+
+#define CONFIG_AMCORE
+#define CONFIG_HOSTNAME			AMCORE
+
+#define CONFIG_SYS_GENERIC_BOARD
+
+#define CONFIG_MCF530x
+#define CONFIG_M5307
+
+#define CONFIG_MCFTMR
+#define CONFIG_MCFUART
+#define CONFIG_SYS_UART_PORT		0
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_BOOTDELAY		1
+#define CONFIG_BOOTCOMMAND		"bootm ffc20000"
+
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_AES
+#undef CONFIG_CMD_BOOTD
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_XIMG
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_TIMER
+#define CONFIG_CMD_DIAG
+
+#define CONFIG_SYS_PROMPT		"amcore $ "
+/* undef to save memory	*/
+#undef	CONFIG_SYS_LONGHELP
+
+#if defined(CONFIG_CMD_KGDB)
+/* Console I/O buff. size */
+#define CONFIG_SYS_CBSIZE		1024
+#else
+#define CONFIG_SYS_CBSIZE		256
+#endif
+/* Print buffer size */
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					 sizeof(CONFIG_SYS_PROMPT)+16)
+/* max number of command args	*/
+#define CONFIG_SYS_MAXARGS		16
+/* Boot argument buffer size	*/
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+#define CONFIG_SYS_CONSOLE_INFO_QUIET	1 /* no console @ startup	*/
+#define CONFIG_AUTO_COMPLETE		1 /* add autocompletion support	*/
+#define CONFIG_LOOPW			1 /* enable loopw command	*/
+#define CONFIG_MX_CYCLIC		1 /* enable mdc/mwc commands	*/
+
+#define CONFIG_SYS_LOAD_ADDR		0x20000	/* default load address */
+
+#define CONFIG_SYS_MEMTEST_START	0x0
+#define CONFIG_SYS_MEMTEST_END		0x1000000
+
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_SYS_CLK			45000000
+#define CONFIG_SYS_CPU_CLK		(CONFIG_SYS_CLK * 2)
+/* Register Base Addrs */
+#define CONFIG_SYS_MBAR			0x10000000
+/* Definitions for initial stack pointer and data area (in DPRAM) */
+#define CONFIG_SYS_INIT_RAM_ADDR	0x20000000
+/* size of internal SRAM */
+#define CONFIG_SYS_INIT_RAM_SIZE	0x1000
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - \
+					 GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+
+#define CONFIG_SYS_SDRAM_BASE		0x00000000
+#define CONFIG_SYS_SDRAM_SIZE		0x1000000
+#define CONFIG_SYS_FLASH_BASE		0xffc00000
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#define CONFIG_SYS_MAX_FLASH_SECT	1024
+#define CONFIG_SYS_FLASH_ERASE_TOUT	1000
+
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+/* amcore design has flash data bytes wired swapped */
+#define CONFIG_SYS_WRITE_SWAPPED_DATA
+/* reserve 128-4KB */
+#define CONFIG_SYS_MONITOR_BASE		(CONFIG_SYS_FLASH_BASE + 0x400)
+#define CONFIG_SYS_MONITOR_LEN          ((128 - 4) * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(1 * 1024 * 1024)
+#define CONFIG_SYS_BOOTPARAMS_LEN	(64 * 1024)
+
+#define CONFIG_ENV_IS_IN_FLASH		1
+#define CONFIG_ENV_ADDR			(CONFIG_SYS_FLASH_BASE + \
+					 CONFIG_SYS_MONITOR_LEN)
+#define CONFIG_ENV_SIZE			0x1000
+#define CONFIG_ENV_SECT_SIZE		0x1000
+
+/* memory map space for linux boot data */
+#define CONFIG_SYS_BOOTMAPSZ		(8 << 20)
+
+/*
+ * Cache Configuration
+ *
+ * Special 8K version 3 core cache.
+ * This is a single unified instruction/data cache.
+ * sdram - single region - no masks
+ */
+#define CONFIG_SYS_CACHELINE_SIZE	16
+
+#define ICACHE_STATUS			(CONFIG_SYS_INIT_RAM_ADDR + \
+					 CONFIG_SYS_INIT_RAM_SIZE - 8)
+#define DCACHE_STATUS			(CONFIG_SYS_INIT_RAM_ADDR + \
+					 CONFIG_SYS_INIT_RAM_SIZE - 4)
+#define CONFIG_SYS_ICACHE_INV           (CF_CACR_CINVA)
+#define CONFIG_SYS_CACHE_ACR0		(CF_ACR_CM_WT | CF_ACR_SM_ALL | \
+					 CF_ACR_EN)
+#define CONFIG_SYS_CACHE_ICACR		(CF_CACR_DCM_P | CF_CACR_ESB | \
+					 CF_CACR_EC)
+
+/* CS0 - AMD Flash, address 0xffc00000 */
+#define	CONFIG_SYS_CS0_BASE		(CONFIG_SYS_FLASH_BASE>>16)
+/* 4MB, AA=0,V=1  C/I BIT for errata */
+#define	CONFIG_SYS_CS0_MASK		0x003f0001
+/* WS=10, AA=1, PS=16bit (10) */
+#define	CONFIG_SYS_CS0_CTRL		0x1980
+/* CS1 - DM9000 Ethernet Controller, address 0x30000000 */
+#define CONFIG_SYS_CS1_BASE		0x3000
+#define CONFIG_SYS_CS1_MASK		0x00070001
+#define CONFIG_SYS_CS1_CTRL		0x0100
+
+#endif  /* __AMCORE_CONFIG_H */
+