diff options
Diffstat (limited to 'libraries')
| -rw-r--r-- | libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_ll_fmc.c | 98 |
1 files changed, 61 insertions, 37 deletions
diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_ll_fmc.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_ll_fmc.c index bf28b4b..bdf38fc 100644 --- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_ll_fmc.c +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_ll_fmc.c @@ -1413,23 +1413,31 @@ HAL_StatusTypeDef FMC_SDRAM_Init(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_InitTypeDe } else /* FMC_Bank2_SDRAM */ { - tmpr1 = Device->SDCR[FMC_SDRAM_BANK1]; - - /* Clear NC, NR, MWID, NB, CAS, WP, SDCLK, RBURST, and RPIPE bits */ - tmpr1 &= ((uint32_t)~(FMC_SDCR1_NC | FMC_SDCR1_NR | FMC_SDCR1_MWID | \ - FMC_SDCR1_NB | FMC_SDCR1_CAS | FMC_SDCR1_WP | \ - FMC_SDCR1_SDCLK | FMC_SDCR1_RBURST | FMC_SDCR1_RPIPE)); - - tmpr1 |= (uint32_t)(Init->SDClockPeriod |\ - Init->ReadBurst |\ - Init->ReadPipeDelay); - - tmpr2 = Device->SDCR[FMC_SDRAM_BANK2]; +/////////////////////////////// +// BEGIN PIECE OF WEIRD CODE // +/////////////////////////////// +// +// tmpr1 = Device->SDCR[FMC_SDRAM_BANK1]; +// +// /* Clear NC, NR, MWID, NB, CAS, WP, SDCLK, RBURST, and RPIPE bits */ +// tmpr1 &= ((uint32_t)~(FMC_SDCR1_NC | FMC_SDCR1_NR | FMC_SDCR1_MWID | \ +// FMC_SDCR1_NB | FMC_SDCR1_CAS | FMC_SDCR1_WP | \ +// FMC_SDCR1_SDCLK | FMC_SDCR1_RBURST | FMC_SDCR1_RPIPE)); +// +// tmpr1 |= (uint32_t)(Init->SDClockPeriod |\ +// Init->ReadBurst |\ +// Init->ReadPipeDelay); +// +/////////////////////////////// +// END PIECE OF WEIRD CODE // +/////////////////////////////// + + tmpr2 = Device->SDCR[FMC_SDRAM_BANK1]; /* Clear NC, NR, MWID, NB, CAS, WP, SDCLK, RBURST, and RPIPE bits */ - tmpr2 &= ((uint32_t)~(FMC_SDCR1_NC | FMC_SDCR1_NR | FMC_SDCR1_MWID | \ - FMC_SDCR1_NB | FMC_SDCR1_CAS | FMC_SDCR1_WP | \ - FMC_SDCR1_SDCLK | FMC_SDCR1_RBURST | FMC_SDCR1_RPIPE)); + tmpr2 &= ((uint32_t)~(FMC_SDCR2_NC | FMC_SDCR2_NR | FMC_SDCR2_MWID | \ + FMC_SDCR2_NB | FMC_SDCR2_CAS | FMC_SDCR2_WP | \ + FMC_SDCR2_SDCLK | FMC_SDCR2_RBURST | FMC_SDCR2_RPIPE)); tmpr2 |= (uint32_t)(Init->ColumnBitsNumber |\ Init->RowBitsNumber |\ @@ -1438,7 +1446,9 @@ HAL_StatusTypeDef FMC_SDRAM_Init(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_InitTypeDe Init->CASLatency |\ Init->WriteProtection); - Device->SDCR[FMC_SDRAM_BANK1] = tmpr1; +// +// Device->SDCR[FMC_SDRAM_BANK1] = tmpr1; +// Device->SDCR[FMC_SDRAM_BANK2] = tmpr2; } @@ -1490,30 +1500,44 @@ HAL_StatusTypeDef FMC_SDRAM_Timing_Init(FMC_SDRAM_TypeDef *Device, FMC_SDRAM_Tim } else /* FMC_Bank2_SDRAM */ { - tmpr1 = Device->SDTR[FMC_SDRAM_BANK2]; - - /* Clear TMRD, TXSR, TRAS, TRC, TWR, TRP and TRCD bits */ - tmpr1 &= ((uint32_t)~(FMC_SDTR1_TMRD | FMC_SDTR1_TXSR | FMC_SDTR1_TRAS | \ - FMC_SDTR1_TRC | FMC_SDTR1_TWR | FMC_SDTR1_TRP | \ - FMC_SDTR1_TRCD)); - - tmpr1 |= (uint32_t)(((Timing->LoadToActiveDelay)-1) |\ - (((Timing->ExitSelfRefreshDelay)-1) << 4) |\ - (((Timing->SelfRefreshTime)-1) << 8) |\ - (((Timing->WriteRecoveryTime)-1) <<16) |\ - (((Timing->RCDDelay)-1) << 24)); - +/////////////////////////////// +// BEGIN PIECE OF WEIRD CODE // +/////////////////////////////// +// +// tmpr1 = Device->SDTR[FMC_SDRAM_BANK2]; +// +// /* Clear TMRD, TXSR, TRAS, TRC, TWR, TRP and TRCD bits */ +// tmpr1 &= ((uint32_t)~(FMC_SDTR1_TMRD | FMC_SDTR1_TXSR | FMC_SDTR1_TRAS | \ +// FMC_SDTR1_TRC | FMC_SDTR1_TWR | FMC_SDTR1_TRP | \ +// FMC_SDTR1_TRCD)); +// +// tmpr1 |= (uint32_t)(((Timing->LoadToActiveDelay)-1) |\ +// (((Timing->ExitSelfRefreshDelay)-1) << 4) |\ +// (((Timing->SelfRefreshTime)-1) << 8) |\ +// (((Timing->WriteRecoveryTime)-1) <<16) |\ +// (((Timing->RCDDelay)-1) << 24)); +// +/////////////////////////////// +// END PIECE OF WEIRD CODE // +/////////////////////////////// + tmpr2 = Device->SDTR[FMC_SDRAM_BANK1]; /* Clear TMRD, TXSR, TRAS, TRC, TWR, TRP and TRCD bits */ - tmpr2 &= ((uint32_t)~(FMC_SDTR1_TMRD | FMC_SDTR1_TXSR | FMC_SDTR1_TRAS | \ - FMC_SDTR1_TRC | FMC_SDTR1_TWR | FMC_SDTR1_TRP | \ - FMC_SDTR1_TRCD)); - tmpr2 |= (uint32_t)((((Timing->RowCycleDelay)-1) << 12) |\ - (((Timing->RPDelay)-1) << 20)); - - Device->SDTR[FMC_SDRAM_BANK2] = tmpr1; - Device->SDTR[FMC_SDRAM_BANK1] = tmpr2; + tmpr2 &= ((uint32_t)~(FMC_SDTR2_TMRD | FMC_SDTR2_TXSR | FMC_SDTR2_TRAS | \ + FMC_SDTR2_TRC | FMC_SDTR2_TWR | FMC_SDTR2_TRP | \ + FMC_SDTR2_TRCD)); + + tmpr2 |= (uint32_t)(((Timing->LoadToActiveDelay)-1U) |\ + (((Timing->ExitSelfRefreshDelay)-1U) << 4U) |\ + (((Timing->SelfRefreshTime)-1U) << 8U) |\ + (((Timing->WriteRecoveryTime)-1U) <<16U) |\ + (((Timing->RCDDelay)-1U) << 24U)); + +// +// Device->SDTR[FMC_SDRAM_BANK2] = tmpr1; +// + Device->SDTR[FMC_SDRAM_BANK2] = tmpr2; } return HAL_OK; |