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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-09-17 18:18:44 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-09-17 18:18:44 +0000 |
commit | 57623d42ebb04f0a0b9e6eb7c0847a3ece2aa0ff (patch) | |
tree | 25d07d14e920d31c0b1947c9ca586f2a01fc32d8 /nuttx/arch/arm/src/stm32/chip/stm32_flash.h | |
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Resync new repository with old repo r5166
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/stm32/chip/stm32_flash.h')
-rw-r--r-- | nuttx/arch/arm/src/stm32/chip/stm32_flash.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/chip/stm32_flash.h b/nuttx/arch/arm/src/stm32/chip/stm32_flash.h new file mode 100644 index 000000000..c2e440923 --- /dev/null +++ b/nuttx/arch/arm/src/stm32/chip/stm32_flash.h @@ -0,0 +1,190 @@ +/************************************************************************************ + * arch/arm/src/stm32/chip/stm32_flash.h + * + * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_STM32_CHIP_STM32_FLASH_H +#define __ARCH_ARM_SRC_STM32_CHIP_STM32_FLASH_H + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +#if defined(CONFIG_STM32_LOWDENSITY) +# define STM32_FLASH_NPAGES 32 +# define STM32_FLASH_PAGESIZE 1024 +#elif defined(CONFIG_STM32_MEDIUMDENSITY) +# define STM32_FLASH_NPAGES 128 +# define STM32_FLASH_PAGESIZE 1024 +#elif defined(CONFIG_STM32_CONNECTIVITYLINE) +# define STM32_FLASH_NPAGES 128 +# define STM32_FLASH_PAGESIZE 2048 +#elif defined(CONFIG_STM32_HIGHDENSITY) +# define STM32_FLASH_NPAGES 256 +# define STM32_FLASH_PAGESIZE 2048 +#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX) +# define STM32_FLASH_NPAGES 8 +# define STM32_FLASH_PAGESIZE (128*1024) +#endif + +#define STM32_FLASH_SIZE (STM32_FLASH_NPAGES * STM32_FLASH_PAGESIZE) + +/* Register Offsets *****************************************************************/ + +#define STM32_FLASH_ACR_OFFSET 0x0000 +#define STM32_FLASH_KEYR_OFFSET 0x0004 +#define STM32_FLASH_OPTKEYR_OFFSET 0x0008 +#define STM32_FLASH_SR_OFFSET 0x000c +#define STM32_FLASH_CR_OFFSET 0x0010 + +#if defined(CONFIG_STM32_STM32F10XX) +# define STM32_FLASH_AR_OFFSET 0x0014 +# define STM32_FLASH_OBR_OFFSET 0x001c +# define STM32_FLASH_WRPR_OFFSET 0x0020 +#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX) +# define STM32_FLASH_OPTCR_OFFSET 0x0014 +#endif + +/* Register Addresses ***************************************************************/ + +#define STM32_FLASH_ACR (STM32_FLASHIF_BASE+STM32_FLASH_ACR_OFFSET) +#define STM32_FLASH_KEYR (STM32_FLASHIF_BASE+STM32_FLASH_KEYR_OFFSET) +#define STM32_FLASH_OPTKEYR (STM32_FLASHIF_BASE+STM32_FLASH_OPTKEYR_OFFSET) +#define STM32_FLASH_SR (STM32_FLASHIF_BASE+STM32_FLASH_SR_OFFSET) +#define STM32_FLASH_CR (STM32_FLASHIF_BASE+STM32_FLASH_CR_OFFSET) + +#if defined(CONFIG_STM32_STM32F10XX) +# define STM32_FLASH_AR (STM32_FLASHIF_BASE+STM32_FLASH_AR_OFFSET) +# define STM32_FLASH_OBR (STM32_FLASHIF_BASE+STM32_FLASH_OBR_OFFSET) +# define STM32_FLASH_WRPR (STM32_FLASHIF_BASE+STM32_FLASH_WRPR_OFFSET) +#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX) +# define STM32_FLASH_OPTCR (STM32_FLASHIF_BASE+STM32_FLASH_OPTCR_OFFSET) +#endif + +/* Register Bitfield Definitions ****************************************************/ +/* Flash Access Control Register (ACR) */ + +#define FLASH_ACR_LATENCY_SHIFT (0) +#define FLASH_ACR_LATENCY_MASK (7 << FLASH_ACR_LATENCY_SHIFT) +# define FLASH_ACR_LATENCY(n) ((n) << FLASH_ACR_LATENCY_SHIFT) /* n wait states */ +# define FLASH_ACR_LATENCY_0 (0 << FLASH_ACR_LATENCY_SHIFT) /* 000: Zero wait states */ +# define FLASH_ACR_LATENCY_1 (1 << FLASH_ACR_LATENCY_SHIFT) /* 001: One wait state */ +# define FLASH_ACR_LATENCY_2 (2 << FLASH_ACR_LATENCY_SHIFT) /* 010: Two wait states */ +# define FLASH_ACR_LATENCY_3 (3 << FLASH_ACR_LATENCY_SHIFT) /* 011: Three wait states */ +# define FLASH_ACR_LATENCY_4 (4 << FLASH_ACR_LATENCY_SHIFT) /* 100: Four wait states */ +# define FLASH_ACR_LATENCY_5 (5 << FLASH_ACR_LATENCY_SHIFT) /* 101: Five wait states */ +# define FLASH_ACR_LATENCY_6 (6 << FLASH_ACR_LATENCY_SHIFT) /* 110: Six wait states */ +# define FLASH_ACR_LATENCY_7 (7 << FLASH_ACR_LATENCY_SHIFT) /* 111: Seven wait states */ + +#if defined(CONFIG_STM32_STM32F10XX) +# define FLASH_ACR_HLFCYA (1 << 3) /* FLASH half cycle access */ +# define FLASH_ACR_PRTFBE (1 << 4) /* FLASH prefetch enable */ +#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX) +# define FLASH_ACR_ICEN (1 << 9) /* Bit 9: Instruction cache enable */ +# define FLASH_ACR_DCEN (1 << 10) /* Bit 10: Data cache enable */ +# define FLASH_ACR_ICRST (1 << 11) /* Bit 11: Instruction cache reset */ +# define FLASH_ACR_DCRST (1 << 12) /* Bit 12: Data cache reset */ +#endif + +/* Flash Status Register (SR) */ + +#if defined(CONFIG_STM32_STM32F10XX) +# define FLASH_SR_BSY (1 << 0) /* Busy */ +# define FLASH_SR_PGERR (1 << 2) /* Programming Error */ +# define FLASH_SR_WRPRT_ERR (1 << 4) /* Write Protection Error */ +# define FLASH_SR_EOP (1 << 5) /* End of Operation */ +#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX) +# define FLASH_SR_EOP (1 << 0) /* Bit 0: End of operation */ +# define FLASH_SR_OPERR (1 << 1) /* Bit 1: Operation error */ +# define FLASH_SR_WRPERR (1 << 4) /* Bit 4: Write protection error */ +# define FLASH_SR_PGAERR (1 << 5) /* Bit 5: Programming alignment error */ +# define FLASH_SR_PGPERR (1 << 6) /* Bit 6: Programming parallelism error */ +# define FLASH_SR_PGSERR (1 << 7) /* Bit 7: Programming sequence error */ +# define FLASH_SR_BSY (1 << 16) /* Bit 16: Busy */ +#endif + +/* Flash Control Register (CR) */ + +#if defined(CONFIG_STM32_STM32F10XX) +# define FLASH_CR_PG (1 << 0) /* Program Page */ +# define FLASH_CR_PER (1 << 1) /* Page Erase */ +# define FLASH_CR_MER (1 << 2) /* Mass Erase */ +# define FLASH_CR_OPTPG (1 << 4) /* Option Byte Programming */ +# define FLASH_CR_OPTER (1 << 5) /* Option Byte Erase */ +# define FLASH_CR_STRT (1 << 6) /* Start Erase */ +# define FLASH_CR_LOCK (1 << 7) /* Page Locked or Lock Page */ +# define FLASH_CR_OPTWRE (1 << 9) /* Option Bytes Write Enable */ +# define FLASH_CR_ERRIE (1 << 10) /* Error Interrupt Enable */ +# define FLASH_CR_EOPIE (1 << 12) /* End of Program Interrupt Enable */ +#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX) +# define FLASH_CR_PG (1 << 0) /* Bit 0: Programming */ +# define FLASH_CR_SER (1 << 1) /* Bit 1: Sector Erase */ +# define FLASH_CR_MER (1 << 2) /* Bit 2: Mass Erase */ +# define FLASH_CR_SNB_SHIFT (3) /* Bits 3-6: Sector number */ +# define FLASH_CR_SNB_MASK (15 << FLASH_CR_SNB_SHIFT) +# define FLASH_CR_SNB(n) ((n) << FLASH_CR_SNB_SHIFT) /* Sector n, n=0..11 */ +# define FLASH_CR_PSIZE_SHIFT (8) /* Bits 8-9: Program size */ +# define FLASH_CR_PSIZE_MASK (3 << FLASH_CR_PSIZE_SHIFT) +# define FLASH_CR_PSIZE_X8 (0 << FLASH_CR_PSIZE_SHIFT) /* 00 program x8 */ +# define FLASH_CR_PSIZE_X16 (1 << FLASH_CR_PSIZE_SHIFT) /* 01 program x16 */ +# define FLASH_CR_PSIZE_X32 (2 << FLASH_CR_PSIZE_SHIFT) /* 10 program x32 */ +# define FLASH_CR_PSIZE_X64 (3 << FLASH_CR_PSIZE_SHIFT) /* 11 program x64 */ +# define FLASH_CR_EOPIE (1 << 24) /* Bit 24: End of operation interrupt enable */ +# define FLASH_CR_ERRIE (1 << 25) /* Bit 25: Error interrupt enable */ +# define FLASH_CR_LOCK (1 << 31) /* Bit 31: Lock */ +#endif + +/* Flash Option Control Register (OPTCR) */ + +#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX) +# define FLASH_OPTCR_OPTLOCK (1 << 0) /* Bit 0: Option lock */ +# define FLASH_OPTCR_OPTSTRT (1 << 1) /* Bit 1: Option start */ +# define FLASH_OPTCR_BORLEV_SHIFT (2) /* Bits 2-3: BOR reset Level */ +# define FLASH_OPTCR_BORLEV_MASK (3 << FLASH_OPTCR_BORLEV_SHIFT) +# define FLASH_OPTCR_VBOR3 (0 << FLASH_OPTCR_BORLEV_SHIFT) /* 00: BOR Level 3 */ +# define FLASH_OPTCR_VBOR2 (1 << FLASH_OPTCR_BORLEV_SHIFT) /* 01: BOR Level 2 */ +# define FLASH_OPTCR_VBOR1 (2 << FLASH_OPTCR_BORLEV_SHIFT) /* 10: BOR Level 1 */ +# define FLASH_OPTCR_VBOR0 (3 << FLASH_OPTCR_BORLEV_SHIFT) /* 11: BOR off */ +# define FLASH_OPTCR_USER_SHIFT (5) /* Bits 5-7: User option bytes */ +# define FLASH_OPTCR_USER_MASK (7 << FLASH_OPTCR_USER_SHIFT) +# define FLASH_OPTCR_NRST_STDBY (1 << 7) /* Bit 7: nRST_STDBY */ +# define FLASH_OPTCR_NRST_STOP (1 << 6) /* Bit 6: nRST_STOP */ +# define FLASH_OPTCR_WDG_SW (1 << 5) /* Bit 5: WDG_SW */ +# define FLASH_OPTCR_RDP_SHIFT (8) /* Bits 8-15: Read protect */ +# define FLASH_OPTCR_RDP_MASK (0xff << FLASH_OPTCR_RDP_SHIFT) +# define FLASH_OPTCR_NWRP_SHIFT (16) /* Bits 16-27: Not write protect */ +# define FLASH_OPTCR_NWRP_MASK (0xfff << FLASH_OPTCR_NWRP_SHIFT) +#endif + +#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32_FLASH_H */ + |