diff options
Diffstat (limited to 'os/hal/ports/STM32')
| -rw-r--r-- | os/hal/ports/STM32/LLD/FSMCv1/fsmc.c | 188 | ||||
| -rw-r--r-- | os/hal/ports/STM32/LLD/FSMCv1/fsmc.h | 311 | ||||
| -rw-r--r-- | os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.c | 159 | ||||
| -rw-r--r-- | os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.h | 173 | ||||
| -rw-r--r-- | os/hal/ports/STM32/LLD/FSMCv1/nand_lld.c | 515 | ||||
| -rw-r--r-- | os/hal/ports/STM32/LLD/FSMCv1/nand_lld.h | 335 | ||||
| -rw-r--r-- | os/hal/ports/STM32/STM32F4xx/platform.mk | 7 |
7 files changed, 1688 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/FSMCv1/fsmc.c b/os/hal/ports/STM32/LLD/FSMCv1/fsmc.c new file mode 100644 index 0000000..4c1a197 --- /dev/null +++ b/os/hal/ports/STM32/LLD/FSMCv1/fsmc.c @@ -0,0 +1,188 @@ +/* + ChibiOS/HAL - Copyright (C) 2006-2014 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +/* + Concepts and parts of this file have been contributed by Uladzimir Pylinsky + aka barthess. + */ + +/** + * @file fsmc.c + * @brief FSMC Driver subsystem low level driver source template. + * + * @addtogroup FSMC + * @{ + */ +#include "hal.h" +#include "fsmc.h" + +#if HAL_USE_NAND || STM32_USE_FSMC_SRAM || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** + * @brief FSMC1 driver identifier. + */ +#if STM32_FSMC_USE_FSMC1 || defined(__DOXYGEN__) +FSMCDriver FSMCD1; +#endif + +/*===========================================================================*/ +/* Driver local types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level FSMC driver initialization. + * + * @notapi + */ +void fsmc_init(void) { + + if (FSMCD1.state == FSMC_UNINIT) { + FSMCD1.state = FSMC_STOP; + +#if STM32_SRAM_USE_FSMC_SRAM1 + FSMCD1.sram1 = (FSMC_SRAM_NOR_TypeDef *)(FSMC_Bank1_R_BASE); +#endif + +#if STM32_SRAM_USE_FSMC_SRAM2 + FSMCD1.sram2 = (FSMC_SRAM_NOR_TypeDef *)(FSMC_Bank1_R_BASE + 8); +#endif + +#if STM32_SRAM_USE_FSMC_SRAM3 + FSMCD1.sram3 = (FSMC_SRAM_NOR_TypeDef *)(FSMC_Bank1_R_BASE + 8 * 2); +#endif + +#if STM32_SRAM_USE_FSMC_SRAM4 + FSMCD1.sram4 = (FSMC_SRAM_NOR_TypeDef *)(FSMC_Bank1_R_BASE + 8 * 3); +#endif + +#if STM32_NAND_USE_FSMC_NAND1 + FSMCD1.nand1 = (FSMC_NAND_TypeDef *)FSMC_Bank2_R_BASE; +#endif + +#if STM32_NAND_USE_FSMC_NAND2 + FSMCD1.nand2 = (FSMC_NAND_TypeDef *)FSMC_Bank3_R_BASE; +#endif + +#if STM32_USE_FSMC_PCCARD + FSMCD1.pccard = (FSMC_PCCARD_TypeDef *)FSMC_Bank4_R_BASE; +#endif + } +} + +/** + * @brief Configures and activates the FSMC peripheral. + * + * @param[in] fsmcp pointer to the @p FSMCDriver object + * + * @notapi + */ +void fsmc_start(FSMCDriver *fsmcp) { + + osalDbgAssert((fsmcp->state == FSMC_STOP) || (fsmcp->state == FSMC_READY), + "invalid state"); + + if (fsmcp->state == FSMC_STOP) { + /* Enables the peripheral.*/ +#if STM32_FSMC_USE_FSMC1 + if (&FSMCD1 == fsmcp) { + rccResetFSMC(); + rccEnableFSMC(FALSE); +#if (!STM32_NAND_USE_EXT_INT && HAL_USE_NAND) + nvicEnableVector(STM32_FSMC_NUMBER, STM32_FSMC_FSMC1_IRQ_PRIORITY); +#endif + } +#endif /* STM32_FSMC_USE_FSMC1 */ + + fsmcp->state = FSMC_READY; + } +} + +/** + * @brief Deactivates the FSMC peripheral. + * + * @param[in] emcp pointer to the @p FSMCDriver object + * + * @notapi + */ +void fsmc_stop(FSMCDriver *fsmcp) { + + if (fsmcp->state == FSMC_READY) { + /* Resets the peripheral.*/ + rccResetFSMC(); + + /* Disables the peripheral.*/ +#if STM32_FSMC_USE_FSMC1 + if (&FSMCD1 == fsmcp) { +#if (!STM32_NAND_USE_EXT_INT && HAL_USE_NAND) + nvicDisableVector(STM32_FSMC_NUMBER); +#endif + rccDisableFSMC(FALSE); + } +#endif /* STM32_FSMC_USE_FSMC1 */ + + fsmcp->state = FSMC_STOP; + } +} + +#if !STM32_NAND_USE_EXT_INT +/** + * @brief FSMC shared interrupt handler. + * + * @notapi + */ +CH_IRQ_HANDLER(STM32_FSMC_HANDLER) { + + CH_IRQ_PROLOGUE(); +#if STM32_NAND_USE_FSMC_NAND1 + if (FSMCD1.nand1->SR & FSMC_SR_ISR_MASK){ + NANDD1.isr_handler(&NANDD1); + } +#endif +#if STM32_NAND_USE_FSMC_NAND2 + if (FSMCD1.nand2->SR & FSMC_SR_ISR_MASK){ + NANDD2.isr_handler(&NANDD2); + } +#endif + CH_IRQ_EPILOGUE(); +} +#endif /* !STM32_NAND_USE_EXT_INT */ + +#endif /* HAL_USE_FSMC || STM32_USE_FSMC_SRAM */ + +/** @} */ diff --git a/os/hal/ports/STM32/LLD/FSMCv1/fsmc.h b/os/hal/ports/STM32/LLD/FSMCv1/fsmc.h new file mode 100644 index 0000000..2b579a2 --- /dev/null +++ b/os/hal/ports/STM32/LLD/FSMCv1/fsmc.h @@ -0,0 +1,311 @@ +/* + ChibiOS/HAL - Copyright (C) 2006-2014 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +/* + Concepts and parts of this file have been contributed by Uladzimir Pylinsky + aka barthess. + */ + +/** + * @file fsmc.h + * @brief FSMC Driver subsystem low level driver header. + * + * @addtogroup FSMC + * @{ + */ + +#ifndef _FSMC_H_ +#define _FSMC_H_ + +#if HAL_USE_NAND || STM32_USE_FSMC_SRAM || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/* + * (Re)define if needed base address constants supplied in ST's CMSIS + */ +#if (defined(STM32F427xx) || defined(STM32F437xx) || \ + defined(STM32F429xx) || defined(STM32F439xx)) + #if !defined(FSMC_Bank1_R_BASE) + #define FSMC_Bank1_R_BASE (FMC_R_BASE + 0x0000) + #endif + #if !defined(FSMC_Bank1E_R_BASE) + #define FSMC_Bank1E_R_BASE (FMC_R_BASE + 0x0104) + #endif + #if !defined(FSMC_Bank2_R_BASE) + #define FSMC_Bank2_R_BASE (FMC_R_BASE + 0x0060) + #endif + #if !defined(FSMC_Bank3_R_BASE) + #define FSMC_Bank3_R_BASE (FMC_R_BASE + 0x0080) + #endif + #if !defined(FSMC_Bank4_R_BASE) + #define FSMC_Bank4_R_BASE (FMC_R_BASE + 0x00A0) + #endif + #if !defined(FSMC_Bank5_R_BASE) + #define FSMC_Bank5_R_BASE (FMC_R_BASE + 0x0140) + #endif + #if !defined(FSMC_Bank_R_BASE) + #define FSMC_Bank6_R_BASE (FMC_R_BASE + 0x0144) + #endif +#else + #if !defined(FSMC_Bank1_R_BASE) + #define FSMC_Bank1_R_BASE (FSMC_R_BASE + 0x0000) + #endif + #if !defined(FSMC_Bank1E_R_BASE) + #define FSMC_Bank1E_R_BASE (FSMC_R_BASE + 0x0104) + #endif + #if !defined(FSMC_Bank2_R_BASE) + #define FSMC_Bank2_R_BASE (FSMC_R_BASE + 0x0060) + #endif + #if !defined(FSMC_Bank3_R_BASE) + #define FSMC_Bank3_R_BASE (FSMC_R_BASE + 0x0080) + #endif + #if !defined(FSMC_Bank4_R_BASE) + #define FSMC_Bank4_R_BASE (FSMC_R_BASE + 0x00A0) + #endif +#endif + +/* + * Base bank mappings + */ +#define FSMC_Bank1_MAP_BASE ((uint32_t) 0x60000000) +#define FSMC_Bank2_MAP_BASE ((uint32_t) 0x70000000) +#define FSMC_Bank3_MAP_BASE ((uint32_t) 0x80000000) +#define FSMC_Bank4_MAP_BASE ((uint32_t) 0x90000000) + +/* + * Subbunks of bank1 + */ +#define FSMC_SUBBUNK_OFFSET (1024 * 1024 * 64) +#define FSMC_Bank1_1_MAP (FSMC_Bank1_MAP_BASE) +#define FSMC_Bank1_2_MAP (FSMC_Bank1_1_MAP + FSMC_SUBBUNK_OFFSET) +#define FSMC_Bank1_3_MAP (FSMC_Bank1_2_MAP + FSMC_SUBBUNK_OFFSET) +#define FSMC_Bank1_4_MAP (FSMC_Bank1_3_MAP + FSMC_SUBBUNK_OFFSET) + +/* + * Bank 2 (NAND) + */ +#define FSMC_Bank2_MAP_COMMON (FSMC_Bank2_MAP_BASE + 0) +#define FSMC_Bank2_MAP_ATTR (FSMC_Bank2_MAP_BASE + 0x8000000) + +#define FSMC_Bank2_MAP_COMMON_DATA (FSMC_Bank2_MAP_COMMON + 0) +#define FSMC_Bank2_MAP_COMMON_CMD (FSMC_Bank2_MAP_COMMON + 0x10000) +#define FSMC_Bank2_MAP_COMMON_ADDR (FSMC_Bank2_MAP_COMMON + 0x20000) + +#define FSMC_Bank2_MAP_ATTR_DATA (FSMC_Bank2_MAP_ATTR + 0) +#define FSMC_Bank2_MAP_ATTR_CMD (FSMC_Bank2_MAP_ATTR + 0x10000) +#define FSMC_Bank2_MAP_ATTR_ADDR (FSMC_Bank2_MAP_ATTR + 0x20000) + +/* + * Bank 3 (NAND) + */ +#define FSMC_Bank3_MAP_COMMON (FSMC_Bank3_MAP_BASE + 0) +#define FSMC_Bank3_MAP_ATTR (FSMC_Bank3_MAP_BASE + 0x8000000) + +#define FSMC_Bank3_MAP_COMMON_DATA (FSMC_Bank3_MAP_COMMON + 0) +#define FSMC_Bank3_MAP_COMMON_CMD (FSMC_Bank3_MAP_COMMON + 0x10000) +#define FSMC_Bank3_MAP_COMMON_ADDR (FSMC_Bank3_MAP_COMMON + 0x20000) + +#define FSMC_Bank3_MAP_ATTR_DATA (FSMC_Bank3_MAP_ATTR + 0) +#define FSMC_Bank3_MAP_ATTR_CMD (FSMC_Bank3_MAP_ATTR + 0x10000) +#define FSMC_Bank3_MAP_ATTR_ADDR (FSMC_Bank3_MAP_ATTR + 0x20000) + +/* + * Bank 4 (PC card) + */ +#define FSMC_Bank4_MAP_COMMON (FSMC_Bank4_MAP_BASE + 0) +#define FSMC_Bank4_MAP_ATTR (FSMC_Bank4_MAP_BASE + 0x8000000) +#define FSMC_Bank4_MAP_IO (FSMC_Bank4_MAP_BASE + 0xC000000) + +/* + * More convenient typedefs than CMSIS has + */ +typedef struct { + __IO uint32_t PCR; /**< NAND Flash control */ + __IO uint32_t SR; /**< NAND Flash FIFO status and interrupt */ + __IO uint32_t PMEM; /**< NAND Flash Common memory space timing */ + __IO uint32_t PATT; /**< NAND Flash Attribute memory space timing */ + uint32_t RESERVED0; /**< Reserved, 0x70 */ + __IO uint32_t ECCR; /**< NAND Flash ECC result registers */ +} FSMC_NAND_TypeDef; + +typedef struct { + __IO uint32_t PCR; /**< PC Card control */ + __IO uint32_t SR; /**< PC Card FIFO status and interrupt */ + __IO uint32_t PMEM; /**< PC Card Common memory space timing */ + __IO uint32_t PATT; /**< PC Card Attribute memory space timing */ + __IO uint32_t PIO; /**< PC Card I/O space timing */ +} FSMC_PCCard_TypeDef; + +typedef struct { + __IO uint32_t BCR; /**< SRAM/NOR chip-select control registers */ + __IO uint32_t BTR; /**< SRAM/NOR chip-select timing registers */ + uint32_t RESERVED[63]; /**< Reserved */ + __IO uint32_t BWTR; /**< SRAM/NOR write timing registers */ +} FSMC_SRAM_NOR_TypeDef; + +/** + * @brief PCR register + */ +#define FSMC_PCR_PWAITEN ((uint32_t)0x00000002) +#define FSMC_PCR_PBKEN ((uint32_t)0x00000004) +#define FSMC_PCR_PTYP ((uint32_t)0x00000008) +#define FSMC_PCR_ECCEN ((uint32_t)0x00000040) +#define FSMC_PCR_PTYP_PCCARD 0 +#define FSMC_PCR_PTYP_NAND FSMC_PCR_PTYP + +/** + * @brief SR register + */ +#define FSMC_SR_IRS ((uint8_t)0x01) +#define FSMC_SR_ILS ((uint8_t)0x02) +#define FSMC_SR_IFS ((uint8_t)0x04) +#define FSMC_SR_IREN ((uint8_t)0x08) +#define FSMC_SR_ILEN ((uint8_t)0x10) +#define FSMC_SR_IFEN ((uint8_t)0x20) +#define FSMC_SR_FEMPT ((uint8_t)0x40) +#define FSMC_SR_ISR_MASK (FSMC_SR_IRS | FSMC_SR_ILS | FSMC_SR_IFS) + +/** + * @brief BCR register + */ +#define FSMC_BCR_MBKEN ((uint32_t)0x00000001) +#define FSMC_BCR_MUXEN ((uint32_t)0x00000002) +#define FSMC_BCR_MWID_0 ((uint32_t)0x00000010) +#define FSMC_BCR_FACCEN ((uint32_t)0x00000040) +#define FSMC_BCR_BURSTEN ((uint32_t)0x00000100) +#define FSMC_BCR_WAITPOL ((uint32_t)0x00000200) +#define FSMC_BCR_WRAPMOD ((uint32_t)0x00000400) +#define FSMC_BCR_WAITCFG ((uint32_t)0x00000800) +#define FSMC_BCR_WREN ((uint32_t)0x00001000) +#define FSMC_BCR_WAITEN ((uint32_t)0x00002000) +#define FSMC_BCR_EXTMOD ((uint32_t)0x00004000) +#define FSMC_BCR_ASYNCWAIT ((uint32_t)0x00008000) +#define FSMC_BCR_CBURSTRW ((uint32_t)0x00080000) + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief FSMC driver enable switch. + * @details If set to @p TRUE the support for FSMC is included. + */ +#if !defined(STM32_FSMC_USE_FSMC1) || defined(__DOXYGEN__) +#define STM32_FSMC_USE_FSMC1 FALSE +#endif + +/** + * @brief Internal FSMC interrupt enable switch + * @details MCUs in 100-pin package has no dedicated interrupt pin for FSMC. + * You have to use EXTI module instead to workaround this issue. + */ +#if !defined(STM32_NAND_USE_EXT_INT) || defined(__DOXYGEN__) +#define STM32_NAND_USE_EXT_INT FALSE +#endif + +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ +#if !STM32_FSMC_USE_FSMC1 +#error "FSMC driver activated but no FSMC peripheral assigned" +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Type of a structure representing an FSMC driver. + */ +typedef struct FSMCDriver FSMCDriver; + +/** + * @brief Driver state machine possible states. + */ +typedef enum { + FSMC_UNINIT = 0, /**< Not initialized. */ + FSMC_STOP = 1, /**< Stopped. */ + FSMC_READY = 2, /**< Ready. */ +} fsmcstate_t; + +/** + * @brief Structure representing an FSMC driver. + */ +struct FSMCDriver { + /** + * @brief Driver state. + */ + fsmcstate_t state; + /* End of the mandatory fields.*/ + +#if STM32_SRAM_USE_FSMC_SRAM1 + FSMC_SRAM_NOR_TypeDef *sram1; +#endif +#if STM32_SRAM_USE_FSMC_SRAM2 + FSMC_SRAM_NOR_TypeDef *sram2; +#endif +#if STM32_SRAM_USE_FSMC_SRAM3 + FSMC_SRAM_NOR_TypeDef *sram3; +#endif +#if STM32_SRAM_USE_FSMC_SRAM4 + FSMC_SRAM_NOR_TypeDef *sram4; +#endif +#if STM32_NAND_USE_FSMC_NAND1 + FSMC_NAND_TypeDef *nand1; +#endif +#if STM32_NAND_USE_FSMC_NAND2 + FSMC_NAND_TypeDef *nand2; +#endif +#if STM32_USE_FSMC_PCCARD + FSMC_PCCard_TypeDef *pccard; +#endif +}; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if STM32_FSMC_USE_FSMC1 && !defined(__DOXYGEN__) +extern FSMCDriver FSMCD1; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void fsmc_init(void); + void fsmc_start(FSMCDriver *fsmcp); + void fsmc_stop(FSMCDriver *fsmcp); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_NAND || STM32_USE_FSMC_SRAM */ + +#endif /* _FSMC_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.c b/os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.c new file mode 100644 index 0000000..44f7ff2 --- /dev/null +++ b/os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.c @@ -0,0 +1,159 @@ +/* + ChibiOS/HAL - Copyright (C) 2006-2014 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +/* + Concepts and parts of this file have been contributed by Uladzimir Pylinsky + aka barthess. + */ + +/** + * @file fsmc_sram.c + * @brief SRAM Driver subsystem low level driver source. + * + * @addtogroup SRAM + * @{ + */ +#include "hal.h" +#include "fsmc_sram.h" + +#if STM32_USE_FSMC_SRAM || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ +/** + * @brief SRAM1 driver identifier. + */ +#if STM32_SRAM_USE_FSMC_SRAM1 || defined(__DOXYGEN__) +SRAMDriver SRAMD1; +#endif + +/** + * @brief SRAM2 driver identifier. + */ +#if STM32_SRAM_USE_FSMC_SRAM2 || defined(__DOXYGEN__) +SRAMDriver SRAMD2; +#endif + +/** + * @brief SRAM3 driver identifier. + */ +#if STM32_SRAM_USE_FSMC_SRAM3 || defined(__DOXYGEN__) +SRAMDriver SRAMD3; +#endif + +/** + * @brief SRAM4 driver identifier. + */ +#if STM32_SRAM_USE_FSMC_SRAM4 || defined(__DOXYGEN__) +SRAMDriver SRAMD4; +#endif + +/*===========================================================================*/ +/* Driver local types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level SRAM driver initialization. + * + * @notapi + */ +void fsmcSramInit(void) { + + fsmc_init(); + +#if STM32_SRAM_USE_FSMC_SRAM1 + SRAMD1.sram = FSMCD1.sram1; + SRAMD1.state = SRAM_STOP; +#endif /* STM32_SRAM_USE_FSMC_SRAM1 */ + +#if STM32_SRAM_USE_FSMC_SRAM2 + SRAMD2.sram = FSMCD1.sram2; + SRAMD2.state = SRAM_STOP; +#endif /* STM32_SRAM_USE_FSMC_SRAM2 */ + +#if STM32_SRAM_USE_FSMC_SRAM3 + SRAMD3.sram = FSMCD1.sram3; + SRAMD3.state = SRAM_STOP; +#endif /* STM32_SRAM_USE_FSMC_SRAM3 */ + +#if STM32_SRAM_USE_FSMC_SRAM4 + SRAMD4.sram = FSMCD1.sram4; + SRAMD4.state = SRAM_STOP; +#endif /* STM32_SRAM_USE_FSMC_SRAM4 */ +} + +/** + * @brief Configures and activates the SRAM peripheral. + * + * @param[in] sramp pointer to the @p SRAMDriver object + * @param[in] cfgp pointer to the @p SRAMConfig object + * + * @notapi + */ +void fsmcSramStart(SRAMDriver *sramp, const SRAMConfig *cfgp) { + + if (FSMCD1.state == FSMC_STOP) + fsmc_start(&FSMCD1); + + osalDbgAssert((sramp->state == SRAM_STOP) || (sramp->state == SRAM_READY), + "invalid state"); + + if (sramp->state == SRAM_STOP) { + sramp->sram->BCR = FSMC_BCR_WREN | FSMC_BCR_MBKEN | FSMC_BCR_MWID_0; + sramp->sram->BTR = cfgp->btr; + sramp->state = SRAM_READY; + } +} + +/** + * @brief Deactivates the SRAM peripheral. + * + * @param[in] sramp pointer to the @p SRAMDriver object + * + * @notapi + */ +void fsmcSramStop(SRAMDriver *sramp) { + + if (sramp->state == SRAM_READY) { + sramp->sram->BCR &= ~FSMC_BCR_MBKEN; + sramp->state = SRAM_STOP; + } +} + +#endif /* STM32_USE_FSMC_SRAM */ + +/** @} */ + diff --git a/os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.h b/os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.h new file mode 100644 index 0000000..0113a04 --- /dev/null +++ b/os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.h @@ -0,0 +1,173 @@ +/* + ChibiOS/HAL - Copyright (C) 2006-2014 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +/* + Concepts and parts of this file have been contributed by Uladzimir Pylinsky + aka barthess. + */ + +/** + * @file fsmc_sram.h + * @brief SRAM Driver subsystem low level driver header. + * + * @addtogroup SRAM + * @{ + */ + +#ifndef _FSMC_SRAM_H_ +#define _FSMC_SRAM_H_ + +#include "fsmc.h" + +#if STM32_USE_FSMC_SRAM || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ +/** + * @name Configuration options + * @{ + */ + +/** + * @brief SRAM driver enable switch. + * @details If set to @p TRUE the support for SRAM1 is included. + */ +#if !defined(STM32_SRAM_USE_FSMC_SRAM1) || defined(__DOXYGEN__) +#define STM32_SRAM_USE_FSMC_SRAM1 FALSE +#endif + +/** + * @brief SRAM driver enable switch. + * @details If set to @p TRUE the support for SRAM2 is included. + */ +#if !defined(STM32_SRAM_USE_FSMC_SRAM2) || defined(__DOXYGEN__) +#define STM32_SRAM_USE_FSMC_SRAM2 FALSE +#endif + +/** + * @brief SRAM driver enable switch. + * @details If set to @p TRUE the support for SRAM3 is included. + */ +#if !defined(STM32_SRAM_USE_FSMC_SRAM3) || defined(__DOXYGEN__) +#define STM32_SRAM_USE_FSMC_SRAM3 FALSE +#endif + +/** + * @brief SRAM driver enable switch. + * @details If set to @p TRUE the support for SRAM4 is included. + */ +#if !defined(STM32_SRAM_USE_FSMC_SRAM4) || defined(__DOXYGEN__) +#define STM32_SRAM_USE_FSMC_SRAM4 FALSE +#endif + +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if !STM32_SRAM_USE_FSMC_SRAM1 && !STM32_SRAM_USE_FSMC_SRAM2 && \ + !STM32_SRAM_USE_FSMC_SRAM3 && !STM32_SRAM_USE_FSMC_SRAM4 +#error "SRAM driver activated but no SRAM peripheral assigned" +#endif + +#if (STM32_SRAM_USE_FSMC_SRAM1 || STM32_SRAM_USE_FSMC_SRAM2 || \ + STM32_SRAM_USE_FSMC_SRAM3 || STM32_SRAM_USE_FSMC_SRAM4) && !STM32_HAS_FSMC +#error "FSMC not present in the selected device" +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ +/** + * @brief Driver state machine possible states. + */ +typedef enum { + SRAM_UNINIT = 0, /**< Not initialized. */ + SRAM_STOP = 1, /**< Stopped. */ + SRAM_READY = 2, /**< Ready. */ +} sramstate_t; + +/** + * @brief Type of a structure representing an NAND driver. + */ +typedef struct SRAMDriver SRAMDriver; + +/** + * @brief Driver configuration structure. + * @note It could be empty on some architectures. + */ +typedef struct { + uint32_t btr; +} SRAMConfig; + +/** + * @brief Structure representing an NAND driver. + */ +struct SRAMDriver { + /** + * @brief Driver state. + */ + sramstate_t state; + /** + * @brief Pointer to the FSMC SRAM registers block. + */ + FSMC_SRAM_NOR_TypeDef *sram; +}; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if STM32_SRAM_USE_FSMC_SRAM1 && !defined(__DOXYGEN__) +extern SRAMDriver SRAMD1; +#endif + +#if STM32_SRAM_USE_FSMC_SRAM2 && !defined(__DOXYGEN__) +extern SRAMDriver SRAMD2; +#endif + +#if STM32_SRAM_USE_FSMC_SRAM3 && !defined(__DOXYGEN__) +extern SRAMDriver SRAMD3; +#endif + +#if STM32_SRAM_USE_FSMC_SRAM4 && !defined(__DOXYGEN__) +extern SRAMDriver SRAMD4; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void fsmcSramInit(void); + void fsmcSramStart(SRAMDriver *sramp, const SRAMConfig *cfgp); + void fsmcSramStop(SRAMDriver *sramp); +#ifdef __cplusplus +} +#endif + +#endif /* STM32_USE_FSMC_SRAM */ + +#endif /* _FSMC_SRAM_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32/LLD/FSMCv1/nand_lld.c b/os/hal/ports/STM32/LLD/FSMCv1/nand_lld.c new file mode 100644 index 0000000..3739e88 --- /dev/null +++ b/os/hal/ports/STM32/LLD/FSMCv1/nand_lld.c @@ -0,0 +1,515 @@ +/* + ChibiOS/HAL - Copyright (C) 2006-2014 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +/* + Concepts and parts of this file have been contributed by Uladzimir Pylinsky + aka barthess. + */ + +/** + * @file nand_lld.c + * @brief NAND Driver subsystem low level driver source. + * + * @addtogroup NAND + * @{ + */ + +#include "hal.h" + +#if HAL_USE_NAND || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ +#define NAND_DMA_CHANNEL \ + STM32_DMA_GETCHANNEL(STM32_NAND_DMA_STREAM, \ + STM32_FSMC_DMA_CHN) + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** + * @brief NAND1 driver identifier. + */ +#if STM32_NAND_USE_FSMC_NAND1 || defined(__DOXYGEN__) +NANDDriver NANDD1; +#endif + +/** + * @brief NAND2 driver identifier. + */ +#if STM32_NAND_USE_FSMC_NAND2 || defined(__DOXYGEN__) +NANDDriver NANDD2; +#endif + +/*===========================================================================*/ +/* Driver local types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ +/** + * @brief Wakes up the waiting thread. + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[in] msg wakeup message + * + * @notapi + */ +static void wakeup_isr(NANDDriver *nandp){ + + osalDbgCheck(nandp->thread != NULL); + osalThreadResumeI(&nandp->thread, MSG_OK); +} + +/** + * @brief Put calling thread in suspend and switch driver state + * + * @param[in] nandp pointer to the @p NANDDriver object + */ +static void nand_lld_suspend_thread(NANDDriver *nandp) { + + osalThreadSuspendS(&nandp->thread); +} + +/** + * @brief Caclulate ECCPS register value + * + * @param[in] nandp pointer to the @p NANDDriver object + */ +static uint32_t calc_eccps(NANDDriver *nandp){ + + uint32_t i = 0; + uint32_t eccps = nandp->config->page_data_size; + + eccps = eccps >> 9; + while (eccps > 0){ + i++; + eccps >>= 1; + } + + return i << 17; +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/** + * @brief Enable interrupts from NAND + * + * @param[in] nandp pointer to the @p NANDDriver object + * + * @notapi + */ +static void nand_ready_isr_enable(NANDDriver *nandp) { +#if STM32_NAND_USE_EXT_INT + nandp->config->ext_nand_isr_enable(); +#else + nandp->nand->SR &= ~(FSMC_SR_IRS | FSMC_SR_ILS | FSMC_SR_IFS | + FSMC_SR_ILEN | FSMC_SR_IFEN); + nandp->nand->SR |= FSMC_SR_IREN; +#endif +} + +/** + * @brief Disable interrupts from NAND + * + * @param[in] nandp pointer to the @p NANDDriver object + * + * @notapi + */ +static void nand_ready_isr_disable(NANDDriver *nandp) { +#if STM32_NAND_USE_EXT_INT + nandp->config->ext_nand_isr_disable(); +#else + nandp->nand->SR &= ~FSMC_SR_IREN; +#endif +} + +/** + * @brief Ready interrupt handler + * + * @param[in] nandp pointer to the @p NANDDriver object + * + * @notapi + */ +static void nand_isr_handler (NANDDriver *nandp){ + + osalSysLockFromISR(); + +#if !STM32_NAND_USE_EXT_INT + osalDbgCheck(nandp->nand->SR & FSMC_SR_IRS); /* spurious interrupt happened */ + nandp->nand->SR &= ~FSMC_SR_IRS; +#endif + + switch (nandp->state){ + case NAND_READ: + nandp->state = NAND_DMA_RX; + dmaStartMemCopy(nandp->dma, nandp->dmamode, + nandp->map_data, nandp->rxdata, nandp->datalen); + /* thread will be waked up from DMA ISR */ + break; + + case NAND_ERASE: + /* NAND reports about erase finish */ + nandp->state = NAND_READY; + wakeup_isr(nandp); + break; + + case NAND_PROGRAM: + /* NAND reports about page programming finish */ + nandp->state = NAND_READY; + wakeup_isr(nandp); + break; + + default: + osalSysHalt("Unhandled case"); + break; + } + osalSysUnlockFromISR(); +} + +/** + * @brief DMA RX end IRQ handler. + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[in] flags pre-shifted content of the ISR register + * + * @notapi + */ +static void nand_lld_serve_transfer_end_irq(NANDDriver *nandp, uint32_t flags) { + /* DMA errors handling.*/ +#if defined(STM32_NAND_DMA_ERROR_HOOK) + if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) { + STM32_NAND_DMA_ERROR_HOOK(nandp); + } +#else + (void)flags; +#endif + + osalSysLockFromISR(); + + dmaStreamDisable(nandp->dma); + + switch (nandp->state){ + case NAND_DMA_TX: + nandp->state = NAND_PROGRAM; + nandp->map_cmd[0] = NAND_CMD_PAGEPROG; + /* thread will be woken from ready_isr() */ + break; + + case NAND_DMA_RX: + nandp->state = NAND_READY; + nandp->rxdata = NULL; + nandp->datalen = 0; + wakeup_isr(nandp); + break; + + default: + osalSysHalt("Unhandled case"); + break; + } + + osalSysUnlockFromISR(); +} + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level NAND driver initialization. + * + * @notapi + */ +void nand_lld_init(void) { + + fsmc_init(); + +#if STM32_NAND_USE_FSMC_NAND1 + /* Driver initialization.*/ + nandObjectInit(&NANDD1); + NANDD1.rxdata = NULL; + NANDD1.datalen = 0; + NANDD1.thread = NULL; + NANDD1.dma = STM32_DMA_STREAM(STM32_NAND_DMA_STREAM); + NANDD1.nand = FSMCD1.nand1; + NANDD1.map_data = (uint8_t*)FSMC_Bank2_MAP_COMMON_DATA; + NANDD1.map_cmd = (uint8_t*)FSMC_Bank2_MAP_COMMON_CMD; + NANDD1.map_addr = (uint8_t*)FSMC_Bank2_MAP_COMMON_ADDR; +#endif /* STM32_NAND_USE_FSMC_NAND1 */ + +#if STM32_NAND_USE_FSMC_NAND2 + /* Driver initialization.*/ + nandObjectInit(&NANDD2); + NANDD2.rxdata = NULL; + NANDD2.datalen = 0; + NANDD2.thread = NULL; + NANDD2.dma = STM32_DMA_STREAM(STM32_NAND_DMA_STREAM); + NANDD2.nand = FSMCD1.nand2; + NANDD2.map_data = (uint8_t*)FSMC_Bank3_MAP_COMMON_DATA; + NANDD2.map_cmd = (uint8_t*)FSMC_Bank3_MAP_COMMON_CMD; + NANDD2.map_addr = (uint8_t*)FSMC_Bank3_MAP_COMMON_ADDR; +#endif /* STM32_NAND_USE_FSMC_NAND2 */ +} + +/** + * @brief Configures and activates the NAND peripheral. + * + * @param[in] nandp pointer to the @p NANDDriver object + * + * @notapi + */ +void nand_lld_start(NANDDriver *nandp) { + + bool b; + + if (FSMCD1.state == FSMC_STOP) + fsmc_start(&FSMCD1); + + if (nandp->state == NAND_STOP) { + b = dmaStreamAllocate(nandp->dma, + STM32_EMC_FSMC1_IRQ_PRIORITY, + (stm32_dmaisr_t)nand_lld_serve_transfer_end_irq, + (void *)nandp); + osalDbgAssert(!b, "stream already allocated"); + nandp->dmamode = STM32_DMA_CR_CHSEL(NAND_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_NAND_NAND1_DMA_PRIORITY) | + STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE | + STM32_DMA_CR_TCIE; + /* dmaStreamSetFIFO(nandp->dma, + STM32_DMA_FCR_DMDIS | NAND_STM32_DMA_FCR_FTH_LVL); */ + nandp->nand->PCR = calc_eccps(nandp) | FSMC_PCR_PTYP | FSMC_PCR_PBKEN; + nandp->nand->PMEM = nandp->config->pmem; + nandp->nand->PATT = nandp->config->pmem; + nandp->isr_handler = nand_isr_handler; + nand_ready_isr_enable(nandp); + } +} + +/** + * @brief Deactivates the NAND peripheral. + * + * @param[in] nandp pointer to the @p NANDDriver object + * + * @notapi + */ +void nand_lld_stop(NANDDriver *nandp) { + + if (nandp->state == NAND_READY) { + dmaStreamRelease(nandp->dma); + nandp->nand->PCR &= ~FSMC_PCR_PBKEN; + nand_ready_isr_disable(nandp); + nandp->isr_handler = NULL; + } +} + +/** + * @brief Read data from NAND. + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[out] data pointer to data buffer + * @param[in] datalen size of data buffer + * @param[in] addr pointer to address buffer + * @param[in] addrlen length of address + * @param[out] ecc pointer to store computed ECC. Ignored when NULL. + * + * @notapi + */ +void nand_lld_read_data(NANDDriver *nandp, uint8_t *data, + size_t datalen, uint8_t *addr, size_t addrlen, uint32_t *ecc){ + + nandp->state = NAND_READ; + nandp->rxdata = data; + nandp->datalen = datalen; + + nand_lld_write_cmd (nandp, NAND_CMD_READ0); + nand_lld_write_addr(nandp, addr, addrlen); + osalSysLock(); + nand_lld_write_cmd (nandp, NAND_CMD_READ0_CONFIRM); + + /* Here NAND asserts busy signal and starts transferring from memory + array to page buffer. After the end of transmission ready_isr functions + starts DMA transfer from page buffer to MCU's RAM.*/ + osalDbgAssert((nandp->nand->PCR & FSMC_PCR_ECCEN) == 0, + "State machine broken. ECCEN must be previously disabled."); + + if (NULL != ecc){ + nandp->nand->PCR |= FSMC_PCR_ECCEN; + } + + nand_lld_suspend_thread(nandp); + osalSysUnlock(); + + /* thread was woken up from DMA ISR */ + if (NULL != ecc){ + while (! (nandp->nand->SR & FSMC_SR_FEMPT)) + ; + *ecc = nandp->nand->ECCR; + nandp->nand->PCR &= ~FSMC_PCR_ECCEN; + } +} + +/** + * @brief Write data to NAND. + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[in] data buffer with data to be written + * @param[in] datalen size of data buffer + * @param[in] addr pointer to address buffer + * @param[in] addrlen length of address + * @param[out] ecc pointer to store computed ECC. Ignored when NULL. + * + * @return The operation status reported by NAND IC (0x70 command). + * + * @notapi + */ +uint8_t nand_lld_write_data(NANDDriver *nandp, const uint8_t *data, + size_t datalen, uint8_t *addr, size_t addrlen, uint32_t *ecc){ + + nandp->state = NAND_WRITE; + + nand_lld_write_cmd (nandp, NAND_CMD_WRITE); + osalSysLock(); + nand_lld_write_addr(nandp, addr, addrlen); + + /* Now start DMA transfer to NAND buffer and put thread in sleep state. + Tread will we woken up from ready ISR. */ + nandp->state = NAND_DMA_TX; + osalDbgAssert((nandp->nand->PCR & FSMC_PCR_ECCEN) == 0, + "State machine broken. ECCEN must be previously disabled."); + + if (NULL != ecc){ + nandp->nand->PCR |= FSMC_PCR_ECCEN; + } + + dmaStartMemCopy(nandp->dma, nandp->dmamode, data, nandp->map_data, datalen); + + nand_lld_suspend_thread(nandp); + osalSysUnlock(); + + if (NULL != ecc){ + while (! (nandp->nand->SR & FSMC_SR_FEMPT)) + ; + *ecc = nandp->nand->ECCR; + nandp->nand->PCR &= ~FSMC_PCR_ECCEN; + } + + return nand_lld_read_status(nandp); +} + +/** + * @brief Erase block. + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[in] addr pointer to address buffer + * @param[in] addrlen length of address + * + * @return The operation status reported by NAND IC (0x70 command). + * + * @notapi + */ +uint8_t nand_lld_erase(NANDDriver *nandp, uint8_t *addr, size_t addrlen){ + + nandp->state = NAND_ERASE; + + nand_lld_write_cmd (nandp, NAND_CMD_ERASE); + nand_lld_write_addr(nandp, addr, addrlen); + osalSysLock(); + nand_lld_write_cmd (nandp, NAND_CMD_ERASE_CONFIRM); + nand_lld_suspend_thread(nandp); + osalSysUnlock(); + + return nand_lld_read_status(nandp); +} + +/** + * @brief Read data from NAND using polling approach. + * + * @detatils Use this function to read data when no waiting expected. For + * Example read status word after 0x70 command + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[out] data pointer to output buffer + * @param[in] len length of data to be read + * + * @notapi + */ +void nand_lld_polled_read_data(NANDDriver *nandp, uint8_t *data, size_t len){ + size_t i = 0; + + for (i=0; i<len; i++) + data[i] = nandp->map_data[i]; +} + +/** + * @brief Send addres to NAND. + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[in] len length of address array + * @param[in] addr pointer to address array + * + * @notapi + */ +void nand_lld_write_addr(NANDDriver *nandp, const uint8_t *addr, size_t len){ + size_t i = 0; + + for (i=0; i<len; i++) + nandp->map_addr[i] = addr[i]; +} + +/** + * @brief Send command to NAND. + * + * @param[in] nandp pointer to the @p NANDDriver object + * @param[in] cmd command value + * + * @notapi + */ +void nand_lld_write_cmd(NANDDriver *nandp, uint8_t cmd){ + nandp->map_cmd[0] = cmd; +} + +/** + * @brief Read status byte from NAND. + * + * @param[in] nandp pointer to the @p NANDDriver object + * + * @return Status byte. + * + * @notapi + */ +uint8_t nand_lld_read_status(NANDDriver *nandp) { + + uint8_t status[1] = {0x01}; /* presume worse */ + + nand_lld_write_cmd(nandp, NAND_CMD_STATUS); + nand_lld_polled_read_data(nandp, status, 1); + + return status[0]; +} + +#endif /* HAL_USE_NAND */ + +/** @} */ + diff --git a/os/hal/ports/STM32/LLD/FSMCv1/nand_lld.h b/os/hal/ports/STM32/LLD/FSMCv1/nand_lld.h new file mode 100644 index 0000000..618255f --- /dev/null +++ b/os/hal/ports/STM32/LLD/FSMCv1/nand_lld.h @@ -0,0 +1,335 @@ +/* + ChibiOS/HAL - Copyright (C) 2006-2014 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +/* + Concepts and parts of this file have been contributed by Uladzimir Pylinsky + aka barthess. + */ + +/** + * @file nand_lld.h + * @brief NAND Driver subsystem low level driver header. + * + * @addtogroup NAND + * @{ + */ + +#ifndef _NAND_LLD_H_ +#define _NAND_LLD_H_ + +#include "fsmc.h" + +#if HAL_USE_NAND || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ +#define NAND_MIN_PAGE_SIZE 256 +#define NAND_MAX_PAGE_SIZE 8192 + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief FSMC1 interrupt priority level setting. + */ +#if !defined(STM32_EMC_FSMC1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EMC_FSMC1_IRQ_PRIORITY 10 +#endif + +/** + * @brief NAND driver enable switch. + * @details If set to @p TRUE the support for NAND1 is included. + */ +#if !defined(STM32_NAND_USE_NAND1) || defined(__DOXYGEN__) +#define STM32_NAND_USE_NAND1 FALSE +#endif + +/** + * @brief NAND driver enable switch. + * @details If set to @p TRUE the support for NAND2 is included. + */ +#if !defined(STM32_NAND_USE_NAND2) || defined(__DOXYGEN__) +#define STM32_NAND_USE_NAND2 FALSE +#endif + +/** + * @brief NAND DMA error hook. + * @note The default action for DMA errors is a system halt because DMA + * error can only happen because programming errors. + */ +#if !defined(STM32_NAND_DMA_ERROR_HOOK) || defined(__DOXYGEN__) +#define STM32_NAND_DMA_ERROR_HOOK(nandp) osalSysHalt("DMA failure") +#endif + +/** + * @brief NAND interrupt enable switch. + * @details If set to @p TRUE the support for internal FSMC interrupt included. + */ +#if !defined(STM32_NAND_USE_INT) || defined(__DOXYGEN__) +#define STM32_NAND_USE_INT FALSE +#endif + +/** +* @brief NAND1 DMA priority (0..3|lowest..highest). +*/ +#if !defined(STM32_NAND_NAND1_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_NAND_NAND1_DMA_PRIORITY 0 +#endif + +/** +* @brief NAND2 DMA priority (0..3|lowest..highest). +*/ +#if !defined(STM32_NAND_NAND2_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_NAND_NAND2_DMA_PRIORITY 0 +#endif + +/** + * @brief DMA stream used for NAND operations. + * @note This option is only available on platforms with enhanced DMA. + */ +#if !defined(STM32_NAND_DMA_STREAM) || defined(__DOXYGEN__) +#define STM32_NAND_DMA_STREAM STM32_DMA_STREAM_ID(2, 6) +#endif + +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if !STM32_NAND_USE_FSMC_NAND1 && !STM32_NAND_USE_FSMC_NAND2 +#error "NAND driver activated but no NAND peripheral assigned" +#endif + +#if (STM32_NAND_USE_FSMC_NAND2 || STM32_NAND_USE_FSMC_NAND1) && !STM32_HAS_FSMC +#error "FSMC not present in the selected device" +#endif + +#if STM32_NAND_USE_EXT_INT && !HAL_USE_EXT +#error "External interrupt controller must be enabled to use this feature" +#endif + +#if (STM32_NAND_USE_FSMC_NAND2 || STM32_NAND_USE_FSMC_NAND1) && \ + !STM32_DMA_IS_VALID_ID(STM32_NAND_DMA_STREAM, \ + STM32_FSMC_DMA_MSK) +#error "invalid DMA stream associated to NAND" +#endif + +#if !defined(STM32_DMA_REQUIRED) +#define STM32_DMA_REQUIRED +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief NAND driver condition flags type. + */ +typedef uint32_t nandflags_t; + +/** + * @brief Type of a structure representing an NAND driver. + */ +typedef struct NANDDriver NANDDriver; + +/** + * @brief Type of interrupt handler function + */ +typedef void (*nandisrhandler_t)(NANDDriver *nandp); + +#if STM32_NAND_USE_EXT_INT +/** + * @brief Type of function switching external interrupts on and off. + */ +typedef void (*nandisrswitch_t)(void); +#endif /* STM32_NAND_USE_EXT_INT */ + +/** + * @brief Driver configuration structure. + * @note It could be empty on some architectures. + */ +typedef struct { + /** + * @brief Pointer to lower level driver. + */ + FSMCDriver *fsmcp; + /** + * @brief Number of erase blocks in NAND device. + */ + uint32_t blocks; + /** + * @brief Number of data bytes in page. + */ + uint32_t page_data_size; + /** + * @brief Number of spare bytes in page. + */ + uint32_t page_spare_size; + /** + * @brief Number of pages in block. + */ + uint32_t pages_per_block; +#if NAND_USE_BAD_MAP + /** + * @brief Pointer to bad block map. + * @details One bit per block. Memory for map must be allocated by user. + */ + uint32_t *bb_map; +#endif /* NAND_USE_BAD_MAP */ + /** + * @brief Number of write cycles for row addressing. + */ + uint8_t rowcycles; + /** + * @brief Number of write cycles for column addressing. + */ + uint8_t colcycles; + + /* End of the mandatory fields.*/ + /** + * @brief Number of wait cycles. This value will be used both for + * PMEM and PATTR registers + * + * @note For proper calculation procedure please look at AN2784 document + * from STMicroelectronics. + */ + uint32_t pmem; +#if STM32_NAND_USE_EXT_INT + /** + * @brief Function enabling interrupts from EXTI + */ + nandisrswitch_t ext_nand_isr_enable; + /** + * @brief Function disabling interrupts from EXTI + */ + nandisrswitch_t ext_nand_isr_disable; +#endif /* STM32_NAND_USE_EXT_INT */ +} NANDConfig; + +/** + * @brief Structure representing an NAND driver. + */ +struct NANDDriver { + /** + * @brief Driver state. + */ + nandstate_t state; + /** + * @brief Current configuration data. + */ + const NANDConfig *config; + /** + * @brief Array to store bad block map. + */ +#if NAND_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__) +#if CH_CFG_USE_MUTEXES || defined(__DOXYGEN__) + /** + * @brief Mutex protecting the bus. + */ + mutex_t mutex; +#elif CH_CFG_USE_SEMAPHORES + semaphore_t semaphore; +#endif +#endif /* NAND_USE_MUTUAL_EXCLUSION */ + /* End of the mandatory fields.*/ + /** + * @brief Function enabling interrupts from FSMC + */ + nandisrhandler_t isr_handler; + /** + * @brief Pointer to current transaction buffer + */ + uint8_t *rxdata; + /** + * @brief Current transaction length + */ + size_t datalen; + /** + * @brief DMA mode bit mask. + */ + uint32_t dmamode; + /** + * @brief DMA channel. + */ + const stm32_dma_stream_t *dma; + /** + * @brief Thread waiting for I/O completion. + */ + thread_t *thread; + /** + * @brief Pointer to the FSMC NAND registers block. + */ + FSMC_NAND_TypeDef *nand; + /** + * @brief Memory mapping for data. + */ + uint8_t *map_data; + /** + * @brief Memory mapping for commands. + */ + uint8_t *map_cmd; + /** + * @brief Memory mapping for addresses. + */ + uint8_t *map_addr; +}; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if STM32_NAND_USE_FSMC_NAND1 && !defined(__DOXYGEN__) +extern NANDDriver NANDD1; +#endif + +#if STM32_NAND_USE_FSMC_NAND2 && !defined(__DOXYGEN__) +extern NANDDriver NANDD2; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void nand_lld_init(void); + void nand_lld_start(NANDDriver *nandp); + void nand_lld_stop(NANDDriver *nandp); + uint8_t nand_lld_write_data(NANDDriver *nandp, const uint8_t *data, + size_t datalen, uint8_t *addr, size_t addrlen, uint32_t *ecc); + void nand_lld_read_data(NANDDriver *nandp, uint8_t *data, + size_t datalen, uint8_t *addr, size_t addrlen, uint32_t *ecc); + void nand_lld_polled_read_data(NANDDriver *nandp, uint8_t *data, size_t len); + uint8_t nand_lld_erase(NANDDriver *nandp, uint8_t *addr, size_t addrlen); + void nand_lld_write_addr(NANDDriver *nandp, const uint8_t *addr, size_t len); + void nand_lld_write_cmd(NANDDriver *nandp, uint8_t cmd); + uint8_t nand_lld_read_status(NANDDriver *nandp); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_NAND */ + +#endif /* _NAND_LLD_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32/STM32F4xx/platform.mk b/os/hal/ports/STM32/STM32F4xx/platform.mk new file mode 100644 index 0000000..0fa3ce0 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/platform.mk @@ -0,0 +1,7 @@ +include ${CHIBIOS}/os/hal/ports/STM32/STM32F4xx/platform.mk
+
+PLATFORMSRC += ${CHIBIOS}/os/hal/ports/STM32/LLD/FSMCv1/fsmc.c \
+ ${CHIBIOS}/os/hal/ports/STM32/LLD/FSMCv1/nand_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/LLD/FSMCv1/fsmc_sram.c
+
+PLATFORMINC += ${CHIBIOS}/os/hal/ports/STM32/LLD/FSMCv1
|