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@@ -1,24 +1,149 @@
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/*
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- * Copyright 2009 Freescale Semiconductor, Inc.
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+ * config.h - setup common defines for Blackfin boards based on config.h
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*
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation; either version 2 of
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- * the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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- * MA 02111-1307 USA
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+ * Copyright (c) 2007-2009 Analog Devices Inc.
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*
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+ * Licensed under the GPL-2 or later.
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*/
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-#ifndef _ASM_CONFIG_H_
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-#define _ASM_CONFIG_H_
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+#ifndef __ASM_BLACKFIN_CONFIG_POST_H__
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+#define __ASM_BLACKFIN_CONFIG_POST_H__
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+
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+/* Sanity check CONFIG_BFIN_CPU */
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+#ifndef CONFIG_BFIN_CPU
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+# error CONFIG_BFIN_CPU: your board config needs to define this
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+#endif
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+
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+/* Make sure the structure is properly aligned */
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+#if ((CONFIG_SYS_GBL_DATA_ADDR & -4) != CONFIG_SYS_GBL_DATA_ADDR)
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+# error CONFIG_SYS_GBL_DATA_ADDR: must be 4 byte aligned
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+#endif
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+
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+/* Set default CONFIG_VCO_HZ if need be */
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+#if !defined(CONFIG_VCO_HZ)
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+# if (CONFIG_CLKIN_HALF == 0)
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+# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
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+# else
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+# define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / 2)
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+# endif
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+#endif
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+
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+/* Set default CONFIG_CCLK_HZ if need be */
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+#if !defined(CONFIG_CCLK_HZ)
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+# if (CONFIG_PLL_BYPASS == 0)
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+# define CONFIG_CCLK_HZ (CONFIG_VCO_HZ / CONFIG_CCLK_DIV)
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+# else
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+# define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
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+# endif
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+#endif
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+
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+/* Set default CONFIG_SCLK_HZ if need be */
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+#if !defined(CONFIG_SCLK_HZ)
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+# if (CONFIG_PLL_BYPASS == 0)
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+# define CONFIG_SCLK_HZ (CONFIG_VCO_HZ / CONFIG_SCLK_DIV)
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+# else
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+# define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
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+# endif
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+#endif
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+
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+/* Since we use these to program PLL registers directly,
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+ * make sure the values are sane and won't screw us up.
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+ */
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+#if (CONFIG_VCO_MULT & 0x3F) != CONFIG_VCO_MULT
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+# error CONFIG_VCO_MULT: Invalid value: must fit in 6 bits (0 - 63)
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+#endif
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+#if (CONFIG_CLKIN_HALF & 0x1) != CONFIG_CLKIN_HALF
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+# error CONFIG_CLKIN_HALF: Invalid value: must be 0 or 1
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+#endif
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+#if (CONFIG_PLL_BYPASS & 0x1) != CONFIG_PLL_BYPASS
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+# error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1
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+#endif
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+
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+/* Using L1 scratch pad makes sense for everyone by default. */
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+#ifndef CONFIG_LINUX_CMDLINE_ADDR
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+# define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
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+#endif
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+#ifndef CONFIG_LINUX_CMDLINE_SIZE
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+# define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
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+#endif
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+
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+/* Set default SPI flash CS to the one we boot from */
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+#if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_SPI_CS)
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+# define CONFIG_ENV_SPI_CS BFIN_BOOT_SPI_SSEL
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+#endif
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+
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+/* Default/common Blackfin memory layout */
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+#ifndef CONFIG_SYS_SDRAM_BASE
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+# define CONFIG_SYS_SDRAM_BASE 0
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+#endif
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+#ifndef CONFIG_SYS_MAX_RAM_SIZE
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+# define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
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+#endif
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+#ifndef CONFIG_SYS_MONITOR_BASE
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+# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
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+#endif
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+#ifndef CONFIG_SYS_MALLOC_BASE
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+# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
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+#endif
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+#ifndef CONFIG_SYS_GBL_DATA_SIZE
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+# define CONFIG_SYS_GBL_DATA_SIZE (128)
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+#endif
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+#ifndef CONFIG_SYS_GBL_DATA_ADDR
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+# define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE)
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+#endif
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+#ifndef CONFIG_STACKBASE
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+# define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4)
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+#endif
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+#ifndef CONFIG_SYS_MEMTEST_START
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+# define CONFIG_SYS_MEMTEST_START 0
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+#endif
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+#ifndef CONFIG_SYS_MEMTEST_END
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+# define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4)
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+#endif
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+
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+/* Check to make sure everything fits in external RAM */
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+#if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
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+# error Memory Map does not fit into configuration
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+#endif
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+
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+/* Default/common Blackfin environment settings */
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+#ifndef CONFIG_LOADADDR
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+# define CONFIG_LOADADDR 0x1000000
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+#endif
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+#ifndef CONFIG_SYS_LOAD_ADDR
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+# define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
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+#endif
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+#ifndef CONFIG_SYS_BOOTM_LEN
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+# define CONFIG_SYS_BOOTM_LEN 0x4000000
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+#endif
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+#ifndef CONFIG_SYS_PROMPT
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+# define CONFIG_SYS_PROMPT "bfin> "
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+#endif
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+#ifndef CONFIG_SYS_CBSIZE
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+# ifdef CONFIG_CMD_KGDB
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+# define CONFIG_SYS_CBSIZE 1024
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+# else
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+# define CONFIG_SYS_CBSIZE 256
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+# endif
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+#endif
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+#ifndef CONFIG_SYS_BARGSIZE
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+# define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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+#endif
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+#ifndef CONFIG_SYS_PBSIZE
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+# define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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+#endif
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+#ifndef CONFIG_SYS_MAXARGS
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+# define CONFIG_SYS_MAXARGS 16
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+#endif
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+#if defined(CONFIG_SYS_HZ)
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+# if (CONFIG_SYS_HZ != 1000)
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+# warning "CONFIG_SYS_HZ must always be 1000"
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+# endif
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+# undef CONFIG_SYS_HZ
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+#endif
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+#define CONFIG_SYS_HZ 1000
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+#ifndef CONFIG_SYS_BAUDRATE_TABLE
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+# define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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+#endif
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#endif
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