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-rw-r--r--arch/blackfin/include/asm/config.h169
1 files changed, 169 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/config.h b/arch/blackfin/include/asm/config.h
new file mode 100644
index 0000000000..7455685057
--- /dev/null
+++ b/arch/blackfin/include/asm/config.h
@@ -0,0 +1,169 @@
+/*
+ * config.h - setup common defines for Blackfin boards based on config.h
+ *
+ * Copyright (c) 2007-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_BLACKFIN_CONFIG_POST_H__
+#define __ASM_BLACKFIN_CONFIG_POST_H__
+
+/* Sanity check CONFIG_BFIN_CPU */
+#ifndef CONFIG_BFIN_CPU
+# error CONFIG_BFIN_CPU: your board config needs to define this
+#endif
+
+#ifndef CONFIG_BFIN_SCRATCH_REG
+# define CONFIG_BFIN_SCRATCH_REG retn
+#endif
+
+/* Relocation to SDRAM works on all Blackfin boards */
+#define CONFIG_RELOC_FIXUP_WORKS
+
+/* Make sure the structure is properly aligned */
+#if ((CONFIG_SYS_GBL_DATA_ADDR & -4) != CONFIG_SYS_GBL_DATA_ADDR)
+# error CONFIG_SYS_GBL_DATA_ADDR: must be 4 byte aligned
+#endif
+
+/* Set default CONFIG_VCO_HZ if need be */
+#if !defined(CONFIG_VCO_HZ)
+# if (CONFIG_CLKIN_HALF == 0)
+# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
+# else
+# define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / 2)
+# endif
+#endif
+
+/* Set default CONFIG_CCLK_HZ if need be */
+#if !defined(CONFIG_CCLK_HZ)
+# if (CONFIG_PLL_BYPASS == 0)
+# define CONFIG_CCLK_HZ (CONFIG_VCO_HZ / CONFIG_CCLK_DIV)
+# else
+# define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
+# endif
+#endif
+
+/* Set default CONFIG_SCLK_HZ if need be */
+#if !defined(CONFIG_SCLK_HZ)
+# if (CONFIG_PLL_BYPASS == 0)
+# define CONFIG_SCLK_HZ (CONFIG_VCO_HZ / CONFIG_SCLK_DIV)
+# else
+# define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
+# endif
+#endif
+
+/* Since we use these to program PLL registers directly,
+ * make sure the values are sane and won't screw us up.
+ */
+#if (CONFIG_VCO_MULT & 0x3F) != CONFIG_VCO_MULT
+# error CONFIG_VCO_MULT: Invalid value: must fit in 6 bits (0 - 63)
+#endif
+#if (CONFIG_CLKIN_HALF & 0x1) != CONFIG_CLKIN_HALF
+# error CONFIG_CLKIN_HALF: Invalid value: must be 0 or 1
+#endif
+#if (CONFIG_PLL_BYPASS & 0x1) != CONFIG_PLL_BYPASS
+# error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1
+#endif
+
+/* If we are using KGDB, make sure we defer exceptions */
+#ifdef CONFIG_CMD_KGDB
+# define CONFIG_EXCEPTION_DEFER 1
+#endif
+
+/* Using L1 scratch pad makes sense for everyone by default. */
+#ifndef CONFIG_LINUX_CMDLINE_ADDR
+# define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
+#endif
+#ifndef CONFIG_LINUX_CMDLINE_SIZE
+# define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
+#endif
+
+/* Set default SPI flash CS to the one we boot from */
+#if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_SPI_CS)
+# define CONFIG_ENV_SPI_CS BFIN_BOOT_SPI_SSEL
+#endif
+
+/* We need envcrc to embed the env into LDRs */
+#ifdef CONFIG_ENV_IS_EMBEDDED_IN_LDR
+# define CONFIG_BUILD_ENVCRC
+#endif
+
+/* Default/common Blackfin memory layout */
+#ifndef CONFIG_SYS_SDRAM_BASE
+# define CONFIG_SYS_SDRAM_BASE 0
+#endif
+#ifndef CONFIG_SYS_MAX_RAM_SIZE
+# define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
+#endif
+#ifndef CONFIG_SYS_MONITOR_BASE
+# if CONFIG_SYS_MAX_RAM_SIZE
+# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
+# else
+# define CONFIG_SYS_MONITOR_BASE 0
+# endif
+#endif
+#ifndef CONFIG_SYS_MALLOC_BASE
+# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
+#endif
+#ifndef CONFIG_SYS_GBL_DATA_SIZE
+# define CONFIG_SYS_GBL_DATA_SIZE (128)
+#endif
+#ifndef CONFIG_SYS_GBL_DATA_ADDR
+# define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE)
+#endif
+#ifndef CONFIG_STACKBASE
+# define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4)
+#endif
+#ifndef CONFIG_SYS_MEMTEST_START
+# define CONFIG_SYS_MEMTEST_START 0
+#endif
+#ifndef CONFIG_SYS_MEMTEST_END
+# define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4)
+#endif
+
+/* Check to make sure everything fits in external RAM */
+#if CONFIG_SYS_MAX_RAM_SIZE && \
+ ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
+# error Memory Map does not fit into configuration
+#endif
+
+/* Default/common Blackfin environment settings */
+#ifndef CONFIG_LOADADDR
+# define CONFIG_LOADADDR 0x1000000
+#endif
+#ifndef CONFIG_SYS_LOAD_ADDR
+# define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+#endif
+#ifndef CONFIG_SYS_BOOTM_LEN
+# define CONFIG_SYS_BOOTM_LEN 0x4000000
+#endif
+#ifndef CONFIG_SYS_PROMPT
+# define CONFIG_SYS_PROMPT "bfin> "
+#endif
+#ifndef CONFIG_SYS_CBSIZE
+# define CONFIG_SYS_CBSIZE 1024
+#elif defined(CONFIG_CMD_KGDB) && CONFIG_SYS_CBSIZE < 1024
+# error "kgdb needs cbsize to be >= 1024"
+#endif
+#ifndef CONFIG_SYS_BARGSIZE
+# define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#endif
+#ifndef CONFIG_SYS_PBSIZE
+# define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#endif
+#ifndef CONFIG_SYS_MAXARGS
+# define CONFIG_SYS_MAXARGS 16
+#endif
+#if defined(CONFIG_SYS_HZ)
+# if (CONFIG_SYS_HZ != 1000)
+# warning "CONFIG_SYS_HZ must always be 1000"
+# endif
+# undef CONFIG_SYS_HZ
+#endif
+#define CONFIG_SYS_HZ 1000
+#ifndef CONFIG_SYS_BAUDRATE_TABLE
+# define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+#endif
+
+#endif
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