diff options
Diffstat (limited to 'bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c')
| -rw-r--r-- | bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c | 478 |
1 files changed, 478 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c b/bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c new file mode 100644 index 0000000000..a2ab9d8f1f --- /dev/null +++ b/bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c @@ -0,0 +1,478 @@ +/** + ****************************************************************************** + * @file system_stm32h7xx.c + * @author MCD Application Team + * @brief CMSIS Cortex-M Device Peripheral Access Layer System Source File. + * + * This file provides two functions and one global variable to be called from + * user application: + * - SystemInit(): This function is called at startup just after reset and + * before branch to main program. This call is made inside + * the "startup_stm32h7xx.s" file. + * + * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used + * by the user application to setup the SysTick + * timer or configure other parameters. + * + * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must + * be called whenever the core clock is changed + * during program execution. + * + * + ****************************************************************************** + * @attention + * + * <h2><center>© Copyright (c) 2017 STMicroelectronics. + * All rights reserved.</center></h2> + * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +#include <stm32h7xx_hal.h> + +#define DATA_IN_ExtSRAM +#define DATA_IN_ExtSDRAM + +void SystemInit_ExtMemCtl(void) +{ + + #define FMC_BMAP_Value 0x02000000 /* FMC Bank Mapping 2 (SDRAM Bank2 remapped) */ + + __IO uint32_t tmp = 0; + + + /********** SDRAM + SRAM ***********************************************************************/ + + #if defined (DATA_IN_ExtSDRAM) && defined (DATA_IN_ExtSRAM) + + register uint32_t tmpreg = 0, timeout = 0xFFFF; + register __IO uint32_t index; + + /*-- I/O Ports Configuration ------------------------------------------------------*/ + + /* Enable GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface clock */ + RCC->AHB4ENR |= 0x000001F8; + + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB4ENR, RCC_AHB4ENR_GPIOEEN); + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x00CC00CC; + GPIOD->AFR[1] = 0xCCCCCCCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xAAAAFAFA; + /* Configure PDx pins speed to 100 MHz */ + GPIOD->OSPEEDR = 0xFFFF0F0F; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* Configure PDx pins in Pull-up */ + GPIOD->PUPDR = 0x55550505; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00CC0CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAABEBA; + /* Configure PEx pins speed to 100 MHz */ + GPIOE->OSPEEDR = 0xFFFFC3CF; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* Configure PEx pins in Pull-up */ + GPIOE->PUPDR = 0x55554145; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0x00CCCCCC; + GPIOF->AFR[1] = 0xCCCCC000; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAABFFAAA; + /* Configure PFx pins speed to 100 MHz */ + GPIOF->OSPEEDR = 0xFFC00FFF; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* Configure PFx pins in Pull-up */ + GPIOF->PUPDR = 0x55400555; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0x00CCCCCC; + GPIOG->AFR[1] = 0xC0000C0C; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0xBFEEFAAA; + /* Configure PGx pins speed to 100 MHz */ + GPIOG->OSPEEDR = 0xC0330FFF; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* Configure PGx pins in Pull-up */ + GPIOG->PUPDR = 0x40110555; + + /* Connect PHx pins to FMC Alternate function */ + GPIOH->AFR[0] = 0xCCC00000; + GPIOH->AFR[1] = 0xCCCCCCCC; + /* Configure PHx pins in Alternate function mode */ + GPIOH->MODER = 0xAAAAABFF; + /* Configure PHx pins speed to 100 MHz */ + GPIOH->OSPEEDR = 0xFFFFFC00; + /* Configure PHx pins Output type to push-pull */ + GPIOH->OTYPER = 0x00000000; + /* Configure PHx pins in Pull-up */ + GPIOH->PUPDR = 0x55555400; + + /* Connect PIx pins to FMC Alternate function */ + GPIOI->AFR[0] = 0xCCCCCCCC; + GPIOI->AFR[1] = 0x00000CC0; + /* Configure PIx pins in Alternate function mode */ + GPIOI->MODER = 0xFFEBAAAA; + /* Configure PIx pins speed to 100 MHz */ + GPIOI->OSPEEDR = 0x003CFFFF; + /* Configure PIx pins Output type to push-pull */ + GPIOI->OTYPER = 0x00000000; + /* Configure PIx pins in Pull-up */ + GPIOI->PUPDR = 0x00145555; + + /*-- FMC Configuration ------------------------------------------------------*/ + + /* Enable the FMC/FSMC interface clock */ + (RCC->AHB3ENR |= (RCC_AHB3ENR_FMCEN)); + + /* Configure and enable Bank1_SRAM2 */ + FMC_Bank1_R->BTCR[4] = 0x00001091; + FMC_Bank1_R->BTCR[5] = 0x00110212; + FMC_Bank1E_R->BWTR[4] = 0x0FFFFFFF; + + /* SDRAM Timing and access interface configuration */ + + /*SDBank = FMC_SDRAM_BANK2 + + ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9 CC + RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12 RR + MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32 MM + InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4 N + CASLatency = FMC_SDRAM_CAS_LATENCY_2 LL // 2 oder 3, s.u. + WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE W + SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2 KK + ReadBurst = FMC_SDRAM_RBURST_ENABLE B + ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0 PP + + LoadToActiveDelay = 2 -> 1 LLLL TMRD + ExitSelfRefreshDelay = 6 -> 5 EEEE TXSR + SelfRefreshTime = 4 -> 3 SSSS TRAS + RowCycleDelay = 6 -> 5 RRRR TRC + WriteRecoveryTime = 2 -> 1 WWWW TWR + RPDelay = 2 -> 1 PPPP TRP + RCDDelay = 2 -> 1 CCCC TRCD */ + #if 0 + FMC_Bank5_6_R->SDCR[0] = 0x00005965; // 0000 0000 0000 0000 0101 1001 0110 0101 Bank 1 + // PPB KKWL LNMM RRCC + FMC_Bank5_6_R->SDCR[1] = 0x00005965; // 0000 0000 0000 0000 0101 1001 0110 0101 Bank 2 // CAS Latency = 2 + // WL LNMM RRCC + + FMC_Bank5_6_R->SDTR[0] = 0x00105000; // 0000 0000 0001 0000 0101 0000 0000 0000 Bank 1 // Original, + // CCCC PPPP WWWW RRRR SSSS EEEE LLLL // mit CAS Latency = 2 (s.o.) + FMC_Bank5_6_R->SDTR[1] = 0x01010351; // 0000 0001 0000 0001 0000 0011 0101 0001 Bank 2 + // CCCC WWWW SSSS EEEE LLLL + #endif + #if 0 + FMC_Bank5_6_R->SDTR[0] = 0x00206000; // 0000 0000 0010 0000 0110 0000 0000 0000 Bank 1 // Original + 1 bei allen Werten, + // CCCC PPPP WWWW RRRR SSSS EEEE LLLL // mit CAS Latency = 3 (s.o.) + FMC_Bank5_6_R->SDTR[1] = 0x02020462; // 0000 0010 0000 0010 0000 0100 0110 0010 Bank 2 + // CCCC WWWW SSSS EEEE LLLL + #endif + + #if 0 + FMC_Bank5_6_R->SDTR[0] = 0x00209000; // 0000 0000 0010 0000 1001 0000 0000 0000 Bank 1 // Versuch anhand ISSI-Datenblatt, + // CCCC PPPP WWWW RRRR SSSS EEEE LLLL // mit CAS Latency = 3 (s.o.) + FMC_Bank5_6_R->SDTR[1] = 0x020306B1; // 0000 0010 0000 0011 0000 0110 1011 0001 Bank 2 + // CCCC WWWW SSSS EEEE LLLL + #endif + FMC_Bank5_6_R->SDCR[0] = 0x00001800; + FMC_Bank5_6_R->SDCR[1] = 0x00000165; + FMC_Bank5_6_R->SDTR[0] = 0x00105000; + FMC_Bank5_6_R->SDTR[1] = 0x01010351; + + /* SDRAM initialization sequence */ + + /* Clock enable command */ + FMC_Bank5_6_R->SDCMR = 0x00000009; + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + + /* Delay */ + for (index=0; index<1000; index++); + + /* PALL command */ + FMC_Bank5_6_R->SDCMR = 0x0000000A; + timeout = 0xFFFF; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + + FMC_Bank5_6_R->SDCMR = 0x000000EB; + timeout = 0xFFFF; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + + FMC_Bank5_6_R->SDCMR = 0x0004400C; + timeout = 0xFFFF; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + + /* Set refresh count */ + tmpreg = FMC_Bank5_6_R->SDRTR; + FMC_Bank5_6_R->SDRTR = (tmpreg | (0x00000603 << 1)); + + /* Disable write protection */ + tmpreg = FMC_Bank5_6_R->SDCR[1]; + FMC_Bank5_6_R->SDCR[1] = (tmpreg & 0xFFFFFDFF); + + /* Configure FMC Bank Mapping */ + FMC_Bank1_R->BTCR[0] |= FMC_BMAP_Value; + + /* FMC controller Enable */ + FMC_Bank1_R->BTCR[0] |= 0x80000000; + + + /********** SDRAM only *************************************************************************/ + + #elif defined (DATA_IN_ExtSDRAM) + + register uint32_t tmpreg = 0, timeout = 0xFFFF; + register __IO uint32_t index; + + /*-- I/O Ports Configuration ------------------------------------------------------*/ + + /* Enable GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface clock */ + RCC->AHB4ENR |= 0x000001F8; + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x000000CC; + GPIOD->AFR[1] = 0xCC000CCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xAFEAFFFA; + /* Configure PDx pins speed to 100 MHz */ + GPIOD->OSPEEDR = 0xF03F000F; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* Configure PDx pins in Pull-up */ + GPIOD->PUPDR = 0x50150005; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00000CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAABFFA; + /* Configure PEx pins speed to 100 MHz */ + GPIOE->OSPEEDR = 0xFFFFC00F; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* Configure PEx pins in Pull-up */ + GPIOE->PUPDR = 0x55554005; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0x00CCCCCC; + GPIOF->AFR[1] = 0xCCCCC000; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAABFFAAA; + /* Configure PFx pins speed to 100 MHz */ + GPIOF->OSPEEDR = 0xFFC00FFF; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* Configure PFx pins in Pull-up */ + GPIOF->PUPDR = 0x55400555; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0x00CCCCCC; + GPIOG->AFR[1] = 0xC000000C; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0xBFFEFAAA; + /* Configure PGx pins speed to 100 MHz */ + GPIOG->OSPEEDR = 0xC0030FFF; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* Configure PGx pins in Pull-up */ + GPIOG->PUPDR = 0x40010555; + + /* Connect PHx pins to FMC Alternate function */ + GPIOH->AFR[0] = 0xCCC00000; + GPIOH->AFR[1] = 0xCCCCCCCC; + /* Configure PHx pins in Alternate function mode */ + GPIOH->MODER = 0xAAAAABFF; + /* Configure PHx pins speed to 100 MHz */ + GPIOH->OSPEEDR = 0xFFFFFC00; + /* Configure PHx pins Output type to push-pull */ + GPIOH->OTYPER = 0x00000000; + /* Configure PHx pins in Pull-up */ + GPIOH->PUPDR = 0x55555400; + + /* Connect PIx pins to FMC Alternate function */ + GPIOI->AFR[0] = 0xCCCCCCCC; + GPIOI->AFR[1] = 0x00000CC0; + /* Configure PIx pins in Alternate function mode */ + GPIOI->MODER = 0xFFEBAAAA; + /* Configure PIx pins speed to 100 MHz */ + GPIOI->OSPEEDR = 0x003CFFFF; + /* Configure PIx pins Output type to push-pull */ + GPIOI->OTYPER = 0x00000000; + /* Configure PIx pins in Pull-up */ + GPIOI->PUPDR = 0x00145555; + + /*-- FMC Configuration ------------------------------------------------------*/ + + /* Enable the FMC interface clock */ + (RCC->AHB3ENR |= (RCC_AHB3ENR_FMCEN)); + + /* SDRAM Timing and access interface configuration */ + + /*LoadToActiveDelay = 2 + ExitSelfRefreshDelay = 6 + SelfRefreshTime = 4 + RowCycleDelay = 6 + WriteRecoveryTime = 2 + RPDelay = 2 + RCDDelay = 2 + SDBank = FMC_SDRAM_BANK2 + ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9 + RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12 + MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32 + InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4 + CASLatency = FMC_SDRAM_CAS_LATENCY_2 + WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE + SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2 + ReadBurst = FMC_SDRAM_RBURST_ENABLE + ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0*/ + + FMC_Bank5_6_R->SDCR[0] = 0x00001800; + FMC_Bank5_6_R->SDCR[1] = 0x00000165; + FMC_Bank5_6_R->SDTR[0] = 0x00105000; + FMC_Bank5_6_R->SDTR[1] = 0x01010351; + + /* SDRAM initialization sequence */ + /* Clock enable command */ + FMC_Bank5_6_R->SDCMR = 0x00000009; + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + + /* Delay */ + for (index=0; index<1000; index++); + + /* PALL command */ + FMC_Bank5_6_R->SDCMR = 0x0000000A; + timeout = 0xFFFF; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + + FMC_Bank5_6_R->SDCMR = 0x000000EB; + timeout = 0xFFFF; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + + FMC_Bank5_6_R->SDCMR = 0x0004400C; + timeout = 0xFFFF; + while ((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020; + } + /* Set refresh count */ + tmpreg = FMC_Bank5_6_R->SDRTR; + FMC_Bank5_6_R->SDRTR = (tmpreg | (0x00000603<<1)); + + /* Disable write protection */ + tmpreg = FMC_Bank5_6_R->SDCR[1]; + FMC_Bank5_6_R->SDCR[1] = (tmpreg & 0xFFFFFDFF); + + /* FMC controller Enable */ + FMC_Bank1_R->BTCR[0] |= 0x80000000; + + /********** SRAM only **************************************************************************/ + + #elif defined(DATA_IN_ExtSRAM) + + /*-- I/O Ports Configuration -----------------------------------------------------*/ + + /* Enable GPIOD, GPIOE, GPIOF and GPIOG interface clock */ + RCC->AHB4ENR |= 0x00000078; + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x00CC00CC; + GPIOD->AFR[1] = 0xCCCCCCCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xAAAAFABA; + /* Configure PDx pins speed to 100 MHz */ + GPIOD->OSPEEDR = 0xFFFF0F0F; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* Configure PDx pins in Pull-up */ + GPIOD->PUPDR = 0x55550505; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00CC0CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAABEBA; + /* Configure PEx pins speed to 100 MHz */ + GPIOE->OSPEEDR = 0xFFFFC3CF; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* Configure PEx pins in Pull-up */ + GPIOE->PUPDR = 0x55554145; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0x00CCCCCC; + GPIOF->AFR[1] = 0xCCCC0000; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAAFFFAAA; + /* Configure PFx pins speed to 100 MHz */ + GPIOF->OSPEEDR = 0xFF000FFF; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* Configure PFx pins in Pull-up */ + GPIOF->PUPDR = 0x55000555; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0x00CCCCCC; + GPIOG->AFR[1] = 0x00000C00; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0xFFEFFAAA; + /* Configure PGx pins speed to 100 MHz */ + GPIOG->OSPEEDR = 0x00300FFF; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* Configure PGx pins in Pull-up */ + GPIOG->PUPDR = 0x00100555; + + /*-- FMC/FSMC Configuration --------------------------------------------------*/ + + /* Enable the FMC/FSMC interface clock */ + (RCC->AHB3ENR |= (RCC_AHB3ENR_FMCEN)); + + /* Configure and enable Bank1_SRAM2 */ + FMC_Bank1_R->BTCR[4] = 0x00001091; + FMC_Bank1_R->BTCR[5] = 0x00110212; + FMC_Bank1E_R->BWTR[4] = 0x0FFFFFFF; + + /* FMC controller Enable */ + FMC_Bank1_R->BTCR[0] |= 0x80000000; + + #endif /* DATA_IN_ExtSRAM */ + + (void)(tmp); + +} |