boards/arm/stm32/stm32f769i-disco: Add support for external SDRAM
This commit is contained in:
Gustavo Henrique Nihei
Alan Carvalho de Assis
parent
f5039d0b23
commit
b06722cd7f
@ -1,4 +1,4 @@
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/************************************************************************************
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/*****************************************************************************************************************************************************
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* arch/arm/src/stm32f7/stm32_fmc.h
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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@ -31,24 +31,24 @@
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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*****************************************************************************************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32F7_STM32_FMC_H
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#define __ARCH_ARM_SRC_STM32F7_STM32_FMC_H
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/************************************************************************************
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/*****************************************************************************************************************************************************
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* Included Files
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************************************************************************************/
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*****************************************************************************************************************************************************/
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#include <nuttx/config.h>
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#include "chip.h"
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/************************************************************************************
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/*****************************************************************************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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*****************************************************************************************************************************************************/
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/* Register Offsets *****************************************************************/
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/* Register Offsets **********************************************************************************************************************************/
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#define STM32_FMC_BCR_OFFSET(n) (8*((n)-1))
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#define STM32_FMC_BCR1_OFFSET 0x0000 /* SRAM/NOR-Flash chip-select control registers 1 */
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@ -68,43 +68,29 @@
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#define STM32_FMC_BWTR3_OFFSET 0x0114 /* SRAM/NOR-Flash write timing registers 3 */
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#define STM32_FMC_BWTR4_OFFSET 0x011c /* SRAM/NOR-Flash write timing registers 4 */
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#define STM32_FMC_PCR_OFFSET(n) (0x0020*((n)-1)+0x0040)
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#define STM32_FMC_PCR2_OFFSET 0x0060 /* NAND Flash/PC Card controller register 2 */
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#define STM32_FMC_PCR3_OFFSET 0x0080 /* NAND Flash/PC Card controller register 3 */
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#define STM32_FMC_PCR4_OFFSET 0x00a0 /* NAND Flash/PC Card controller register 4 */
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#define STM32_FMC_PCR_OFFSET 0x0080 /* NAND Flash control register */
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#define STM32_FMC_SR_OFFSET(n) (0x0020*((n)-1)+0x0044)
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#define STM32_FMC_SR2_OFFSET 0x0064 /* NAND Flash/PC Card controller register 2 */
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#define STM32_FMC_SR3_OFFSET 0x0084 /* NAND Flash/PC Card controller register 3 */
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#define STM32_FMC_SR4_OFFSET 0x00a4 /* NAND Flash/PC Card controller register 4 */
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#define STM32_FMC_SR_OFFSET 0x0084 /* FIFO status and interrupt register */
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#define STM32_FMC_PMEM_OFFSET(n) (0x0020*((n)-1)+0x0048)
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#define STM32_FMC_PMEM2_OFFSET 0x0068 /* Common memory space timing register 2 */
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#define STM32_FMC_PMEM3_OFFSET 0x0088 /* Common memory space timing register 3 */
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#define STM32_FMC_PMEM4_OFFSET 0x00a8 /* Common memory space timing register 4 */
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#define STM32_FMC_PMEM_OFFSET 0x0088 /* Common memory space timing register */
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#define STM32_FMC_PATT_OFFSET(n) (0x0020*((n)-1)+0x004c)
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#define STM32_FMC_PATT2_OFFSET 0x006c /* Attribute memory space timing register 2 */
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#define STM32_FMC_PATT3_OFFSET 0x008c /* Attribute memory space timing register 3 */
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#define STM32_FMC_PATT4_OFFSET 0x00ac /* Attribute memory space timing register 4 */
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#define STM32_FMC_PATT_OFFSET 0x008c /* Attribute memory space timing register */
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#define STM32_PIO4_OFFSET 0x00b0 /* I/O space timing register 4 */
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#define STM32_FMC_ECCR_OFFSET 0x0094 /* ECC result register */
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#define STM32_FMC_ECCR_OFFSET(n) (0x0020*((n)-1)+0x003c)
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#define STM32_FMC_ECCR2_OFFSET 0x0054 /* ECC result register 2 */
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#define STM32_FMC_ECCR3_OFFSET 0x0074 /* ECC result register 3 */
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#define STM32_FMC_SDCR1_OFFSET 0x0140 /* SDRAM Control Register, Bank 0 */
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#define STM32_FMC_SDCR_OFFSET(n) (4*((n)-1)+0x0140)
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#define STM32_FMC_SDCR1_OFFSET 0x0140 /* SDRAM Control Register, Bank 1 */
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#define STM32_FMC_SDCR2_OFFSET 0x0144 /* SDRAM Control Register, Bank 1 */
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#define STM32_FMC_SDTR_OFFSET(n) (4*((n)-1)+0x0148)
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#define STM32_FMC_SDTR1_OFFSET 0x0148 /* SDRAM Timing Register, Bank 0 */
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#define STM32_FMC_SDTR2_OFFSET 0x014c /* SDRAM Timing Register, Bank 1 */
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#define STM32_FMC_SDCMR_OFFSET 0x0150 /* SDRAM Config Memory register */
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#define STM32_FMC_SDCMR_OFFSET 0x0150 /* SDRAM Command mode register */
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#define STM32_FMC_SDRTR_OFFSET 0x0154 /* SDRAM Refresh Timing Register maybe */
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#define STM32_FMC_SDSR_OFFSET 0x0158 /* SDRAM Status Register */
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/* Register Addresses ***************************************************************/
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/* Register Addresses ********************************************************************************************************************************/
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#define STM32_FMC_BCR(n) (STM32_FMC_BASE+STM32_FMC_BCR_OFFSET(n))
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#define STM32_FMC_BCR1 (STM32_FMC_BASE+STM32_FMC_BCR1_OFFSET )
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@ -124,31 +110,15 @@
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#define STM32_FMC_BWTR3 (STM32_FMC_BASE+STM32_FMC_BWTR3_OFFSET )
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#define STM32_FMC_BWTR4 (STM32_FMC_BASE+STM32_FMC_BWTR4_OFFSET )
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#define STM32_FMC_PCR(n) (STM32_FMC_BASE+STM32_FMC_PCR_OFFSET(n))
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#define STM32_FMC_PCR2 (STM32_FMC_BASE+STM32_FMC_PCR2_OFFSET )
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#define STM32_FMC_PCR3 (STM32_FMC_BASE+STM32_FMC_PCR3_OFFSET )
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#define STM32_FMC_PCR4 (STM32_FMC_BASE+STM32_FMC_PCR4_OFFSET )
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#define STM32_FMC_PCR (STM32_FMC_BASE+STM32_FMC_PCR_OFFSET)
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#define STM32_FMC_SR(n) (STM32_FMC_BASE+STM32_FMC_SR_OFFSET(n))
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#define STM32_FMC_SR2 (STM32_FMC_BASE+STM32_FMC_SR2_OFFSET )
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#define STM32_FMC_SR3 (STM32_FMC_BASE+STM32_FMC_SR3_OFFSET )
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#define STM32_FMC_SR4 (STM32_FMC_BASE+STM32_FMC_SR4_OFFSET )
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#define STM32_FMC_SR (STM32_FMC_BASE+STM32_FMC_SR_OFFSET)
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#define STM32_FMC_PMEM(n) (STM32_FMC_BASE+STM32_FMC_PMEM_OFFSET(n))
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#define STM32_FMC_PMEM2 (STM32_FMC_BASE+STM32_FMC_PMEM2_OFFSET )
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#define STM32_FMC_PMEM3 (STM32_FMC_BASE+STM32_FMC_PMEM3_OFFSET )
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#define STM32_FMC_PMEM4 (STM32_FMC_BASE+STM32_FMC_PMEM4_OFFSET )
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#define STM32_FMC_PMEM (STM32_FMC_BASE+STM32_FMC_PMEM_OFFSET)
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#define STM32_FMC_PATT(n) (STM32_FMC_BASE+STM32_FMC_PATT_OFFSET(n))
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#define STM32_FMC_PATT2 (STM32_FMC_BASE+STM32_FMC_PATT2_OFFSET )
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#define STM32_FMC_PATT3 (STM32_FMC_BASE+STM32_FMC_PATT3_OFFSET )
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#define STM32_FMC_PATT4 (STM32_FMC_BASE+STM32_FMC_PATT4_OFFSET )
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#define STM32_FMC_PATT (STM32_FMC_BASE+STM32_FMC_PATT_OFFSET)
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#define STM32_PIO4 (STM32_FMC_BASE+STM32_FMC_PIO4_OFFSET )
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#define STM32_FMC_ECCR(n) (STM32_FMC_BASE+STM32_FMC_ECCR_OFFSET(n))
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#define STM32_FMC_ECCR2 (STM32_FMC_BASE+STM32_FMC_ECCR2_OFFSET )
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#define STM32_FMC_ECCR3 (STM32_FMC_BASE+STM32_FMC_ECCR3_OFFSET )
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#define STM32_FMC_ECCR (STM32_FMC_BASE+STM32_FMC_ECCR_OFFSET)
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#define STM32_FMC_SDCR1 (STM32_FMC_BASE+STM32_FMC_SDCR1_OFFSET)
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#define STM32_FMC_SDCR2 (STM32_FMC_BASE+STM32_FMC_SDCR2_OFFSET)
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@ -160,7 +130,7 @@
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#define STM32_FMC_SDRTR (STM32_FMC_BASE+STM32_FMC_SDRTR_OFFSET)
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#define STM32_FMC_SDSR (STM32_FMC_BASE+STM32_FMC_SDSR_OFFSET)
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/* Register Bitfield Definitions ****************************************************/
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/* Register Bitfield Definitions *********************************************************************************************************************/
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#define FMC_BCR_MBKEN (1 << 0) /* Memory bank enable bit */
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#define FMC_BCR_MUXEN (1 << 1) /* Address/data multiplexing enable bit */
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@ -175,18 +145,32 @@
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#define FMC_BCR_MWID_MASK (3 << FMC_BCR_MWID_SHIFT)
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# define FMC_BCR_MWID8 (0 << FMC_BCR_MWID_SHIFT)
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# define FMC_BCR_MWID16 (1 << FMC_BCR_MWID_SHIFT)
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# define FMC_BCR_MWID32 (2 << FMC_BCR_MWID_SHIFT)
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#define FMC_BCR_FACCEN (1 << 6) /* Flash access enable */
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#define FMC_BCR_BURSTEN (1 << 8) /* Burst enable bit */
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#define FMC_BCR_WAITPOL (1 << 9) /* Wait signal polarity bit */
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#define FMC_BCR_WRAPMOD (1 << 10) /* Wrapped burst mode support */
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#define FMC_BCR_WAITCFG (1 << 11) /* Wait timing configuration */
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#define FMC_BCR_WREN (1 << 12) /* Write enable bit */
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#define FMC_BCR_WAITEN (1 << 13) /* Wait enable bit */
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#define FMC_BCR_EXTMOD (1 << 14) /* Extended mode enable */
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#define FMC_BCR_ASYNCWAIT (1 << 15) /* Wait signal during asynchronous transfers */
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#define FMC_BCR_CPSIZE_SHIFT (16)
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#define FMC_BCR_CPSIZE_MASK (7 << FMC_BCR_CPSIZE_SHIFT)
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# define FMC_BCR_CPSIZE0 (0 << FMC_BCR_CPSIZE_SHIFT)
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# define FMC_BCR_CPSIZE128 (1 << FMC_BCR_CPSIZE_SHIFT)
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# define FMC_BCR_CPSIZE256 (2 << FMC_BCR_CPSIZE_SHIFT)
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# define FMC_BCR_CPSIZE1024 (3 << FMC_BCR_CPSIZE_SHIFT)
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#define FMC_BCR_CBURSTRW (1 << 19) /* Write burst enable */
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#define FMC_BCR_CCLKEN (1 << 20) /* Continuous Clock Enable */
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#define FMC_BCR_WFDIS (1 << 21) /* Write FIFO Disable */
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#define FMC_BCR_BMAP_SHIFT (24)
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#define FMC_BCR_BMAP_MASK (3 << FMC_BCR_BMAP_SHIFT)
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# define FMC_BCR_BMAP0 (0 << FMC_BCR_BMAP_SHIFT) /* Default mapping */
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# define FMC_BCR_BMAP1 (1 << FMC_BCR_BMAP_SHIFT) /* NOR/PSRAM bank and SDRAM bank 1/bank2 are swapped */
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# define FMC_BCR_BMAP2 (2 << FMC_BCR_BMAP_SHIFT) /* SDRAM Bank2 remapped on FMC bank2 and still accessible at default mapping */
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#define FMC_BCR_FMCEN (1 << 31) /* FMC controller Enable */
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#define FMC_BCR_RSTVALUE 0x000003d2
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#define FMC_BCR_RSTVALUE(n) ((n == 0) ? 0x000030db : 0x000030d2) /* Reset value for BCR */
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#define FMC_BTR_ADDSET_SHIFT (0) /* Address setup phase duration */
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#define FMC_BTR_ADDSET_MASK (15 << FMC_BTR_ADDSET_SHIFT)
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@ -199,13 +183,14 @@
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# define FMC_BTR_DATAST(n) ((n-1) << FMC_BTR_DATAST_SHIFT) /* (n)xHCLK n=2..256 */
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#define FMC_BTR_BUSTURN_SHIFT (16) /* Bus turnaround phase duration */
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#define FMC_BTR_BUSTURN_MASK (15 << FMC_BTR1_BUSTURN_SHIFT)
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# define FMC_BTR_BUSTURN(n) ((n-1) << FMC_BTR_BUSTURN_SHIFT) /* (n)xHCLK n=1..16 */
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# define FMC_BTR_BUSTURN(n) ((n-1) << FMC_BTR_BUSTURN_SHIFT)/* (n)xHCLK n=1..16 */
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#define FMC_BTR_CLKDIV_SHIFT (20) /* Clock divide ratio */
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#define FMC_BTR_CLKDIV_MASK (15 << FMC_BTR_CLKDIV_SHIFT)
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# define FMC_BTR_CLKDIV(n) ((n-1) << FMC_BTR_CLKDIV_SHIFT) /* (n)xHCLK n=2..16 */
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#define FMC_BTR_DATLAT_SHIFT (24) /* Data latency */
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#define FMC_BTR_DATLAT_MASK (15 << FMC_BTR_DATLAT_SHIFT)
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# define FMC_BTR_DATLAT(n) ((n-2) << FMC_BTR_DATLAT_SHIFT) /* (n)xHCLK n=2..17 */
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# define FMC_BTR_DATLAT(n) ((n-2) << FMC_BTR_DATLAT_SHIFT)
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/* (n)xHCLK n=2..17 */
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#define FMC_BTR_ACCMOD_SHIFT (28) /* Access mode */
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#define FMC_BTR_ACCMOD_MASK (3 << FMC_BTR_ACCMOD_SHIFT)
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# define FMC_BTR_ACCMODA (0 << FMC_BTR_ACCMOD_SHIFT)
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@ -217,29 +202,30 @@
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#define FMC_BWTR_ADDSET_SHIFT (0) /* Address setup phase duration */
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#define FMC_BWTR_ADDSET_MASK (15 << FMC_BWTR_ADDSET_SHIFT)
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# define FMC_BWTR_ADDSET(n) ((n-1) << FMC_BWTR_ADDSET_SHIFT) /* (n)xHCLK n=1..16 */
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# define FMC_BWTR_ADDSET(n) ((n-1) << FMC_BWTR_ADDSET_SHIFT)/* (n)xHCLK n=1..16 */
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#define FMC_BWTR_ADDHLD_SHIFT (4) /* Address-hold phase duration */
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#define FMC_BWTR_ADDHLD_MASK (15 << FMC_BWTR_ADDHLD_SHIFT)
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# define FMC_BWTR_ADDHLD(n) ((n-1) << FMC_BWTR_ADDHLD_SHIFT) /* (n)xHCLK n=2..16*/
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# define FMC_BWTR_ADDHLD(n) ((n-1) << FMC_BWTR_ADDHLD_SHIFT)/* (n)xHCLK n=2..16 */
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#define FMC_BWTR_DATAST_SHIFT (8) /* Data-phase duration */
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#define FMC_BWTR_DATAST_MASK (255 << FMC_BWTR_DATAST_SHIFT)
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# define FMC_BWTR_DATAST(n) ((n-1) << FMC_BWTR_DATAST_SHIFT) /* (n)xHCLK n=2..256 */
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# define FMC_BWTR_DATAST(n) ((n-1) << FMC_BWTR_DATAST_SHIFT)/* (n)xHCLK n=2..256 */
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#define FMC_BWTR_CLKDIV_SHIFT (20) /* Clock divide ratio */
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#define FMC_BWTR_CLKDIV_MASK (15 << FMC_BWTR_CLKDIV_SHIFT)
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# define FMC_BWTR_CLKDIV(n) ((n-1) << FMC_BWTR_CLKDIV_SHIFT) /* (n)xHCLK n=2..16 */
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# define FMC_BWTR_CLKDIV(n) ((n-1) << FMC_BWTR_CLKDIV_SHIFT)/* (n)xHCLK n=2..16 */
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#define FMC_BWTR_DATLAT_SHIFT (24) /* Data latency */
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#define FMC_BWTR_DATLAT_MASK (15 << FMC_BWTR_DATLAT_SHIFT)
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# define FMC_BWTR_DATLAT(n) ((n-2) << FMC_BWTR_DATLAT_SHIFT) /* (n)xHCLK n=2..17 */
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# define FMC_BWTR_DATLAT(n) ((n-2) << FMC_BWTR_DATLAT_SHIFT)/* (n)xHCLK n=2..17 */
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#define FMC_BWTR_ACCMOD_SHIFT (28) /* Access mode */
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#define FMC_BWTR_ACCMOD_MASK (3 << FMC_BWTR_ACCMOD_SHIFT)
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# define FMC_BWTR_ACCMODA (0 << FMC_BWTR_ACCMOD_SHIFT)
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# define FMC_BWTR_ACCMODB (1 << FMC_BWTR_ACCMOD_SHIFT)
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# define FMC_BWTR_ACCMODC (2 << FMC_BWTR_ACCMOD_SHIFT)
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# define FMC_BWTR_ACCMODD (3 << FMC_BTR_ACCMOD_SHIFT)
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# define FMC_BWTR_ACCMODD (3 << FMC_BWTR_ACCMOD_SHIFT)
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#define FMC_PCR_RSTVALUE (0x00000018)
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#define FMC_PCR_PWAITEN (1 << 1) /* Wait feature enable bit */
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#define FMC_PCR_PBKEN (1 << 2) /* PC Card/NAND Flash memory bank enable bit */
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#define FMC_PCR_PTYP (1 << 3) /* Memory type */
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#define FMC_PCR_PWID_SHIFT (4) /* NAND Flash databus width */
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#define FMC_PCR_PWID_MASK (3 << FMC_PCR_PWID_SHIFT)
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# define FMC_PCR_PWID8 (0 << FMC_PCR_PWID_SHIFT)
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@ -268,109 +254,158 @@
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#define FMC_SR_IFEN (1 << 5) /* Interrupt Falling Edge detection Enable bit */
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#define FMC_SR_FEMPT (1 << 6) /* FIFO empty */
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#define FMC_PMEM_RSTVALUE (0xfcfcfcfc)
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#define FMC_PMEM_MEMSET_SHIFT (0) /* Common memory setup time */
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#define FMC_PMEM_MEMSET_MASK (255 << FMC_PMEM_MEMSET_SHIFT)
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# define FMC_PMEM_MEMSET(n) ((n-1) << FMC_PMEM_MEMSET_SHIFT) /* (n)xHCLK n=1..256 */
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# define FMC_PMEM_MEMSET(n) ((n-1) << FMC_PMEM_MEMSET_SHIFT)/* (n)xHCLK n=1..256 */
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#define FMC_PMEM_MEMWAIT_SHIFT (8) /* Common memory wait time */
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#define FMC_PMEM_MEMWAIT_MASK (255 << FMC_PMEM_MEMWAIT_SHIFT)
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# define FMC_PMEM_MEMWAIT(n) ((n-1) << FMC_PMEM_MEMWAIT_SHIFT) /* (n)xHCLK n=2..256 */
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# define FMC_PMEM_MEMWAIT(n) ((n-1)<<FMC_PMEM_MEMWAIT_SHIFT) /* (n)xHCLK n=2..256 */
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#define FMC_PMEM_MEMHOLD_SHIFT (16) /* Common memoryhold time */
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#define FMC_PMEM_MEMHOLD_MASK (255 << FMC_PMEM_MEMHOLD_SHIFT)
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# define FMC_PMEM_MEMHOLD(n) ((n) << FMC_PMEM_MEMHOLD_SHIFT) /* (n)xHCLK n=1..255 */
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# define FMC_PMEM_MEMHOLD(n) ((n) << FMC_PMEM_MEMHOLD_SHIFT)/* (n)xHCLK n=1..255 */
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#define FMC_PMEM_MEMHIZ_SHIFT (24) /* Common memory databus HiZ time */
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#define FMC_PMEM_MEMHIZ_MASK (255 << FMC_PMEM_MEMHIZ_SHIFT)
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# define FMC_PMEM_MEMHIZ(n) ((n) << FMC_PMEM_MEMHIZ_SHIFT) /* (n)xHCLK n=0..255 */
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#define FMC_PATT_ATTSET_SHIFT (0) /* Attribute memory setup time */
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#define FMC_PATT_ATTSET_MASK (255 << FMC_PATT_ATTSET_SHIFT)
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# define FMC_PATT_ATTSET(n) ((n-1) << FMC_PATT_ATTSET_SHIFT) /* (n)xHCLK n=1..256 */
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# define FMC_PATT_ATTSET(n) ((n-1) << FMC_PATT_ATTSET_SHIFT)/* (n)xHCLK n=1..256 */
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#define FMC_PATT_ATTWAIT_SHIFT (8) /* Attribute memory wait time */
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#define FMC_PATT_ATTWAIT_MASK (255 << FMC_PATT_ATTWAIT_SHIFT)
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# define FMC_PATT_ATTWAIT(n) ((n-1) << FMC_PATT_ATTWAIT_SHIFT) /* (n)xHCLK n=2..256 */
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# define FMC_PATT_ATTWAIT(n) ((n-1)<<FMC_PATT_ATTWAIT_SHIFT) /* (n)xHCLK n=2..256 */
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#define FMC_PATT_ATTHOLD_SHIFT (16) /* Attribute memory hold time */
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#define FMC_PATT_ATTHOLD_MASK (255 << FMC_PATT_ATTHOLD_SHIFT)
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# define FMC_PATT_ATTHOLD(n) ((n) << FMC_PATT_ATTHOLD_SHIFT) /* (n)xHCLK n=1..255 */
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# define FMC_PATT_ATTHOLD(n) ((n) << FMC_PATT_ATTHOLD_SHIFT)/* (n)xHCLK n=1..255 */
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#define FMC_PATT_ATTHIZ_SHIFT (24) /* Attribute memory databus HiZ time */
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#define FMC_PATT_ATTHIZ_MASK (255 << FMC_PATT_ATTHIZ_SHIFT)
|
||||
# define FMC_PATT_ATTHIZ(n) ((n) << FMC_PATT_ATTHIZ_SHIFT) /* (n)xHCLK n=0..255 */
|
||||
|
||||
#define FMC_PIO4_IOSET_SHIFT (0) /* IOribute memory setup time */
|
||||
#define FMC_PIO4_IOSET_MASK (255 << FMC_PIO4_IOSET_SHIFT)
|
||||
# define FMC_PIO4_IOSET(n) ((n-1) << FMC_PIO4_IOSET_SHIFT) /* (n)xHCLK n=1..256 */
|
||||
#define FMC_PIO4_IOWAIT_SHIFT (8) /* IOribute memory wait time */
|
||||
#define FMC_PIO4_IOWAIT_MASK (255 << FMC_PIO4_IOWAIT_SHIFT)
|
||||
# define FMC_PIO4_IOWAIT(n) ((n-1) << FMC_PIO4_IOWAIT_SHIFT) /* (n)xHCLK n=2..256 */
|
||||
#define FMC_PIO4_IOHOLD_SHIFT (16) /* IOribute memory hold time */
|
||||
#define FMC_PIO4_IOHOLD_MASK (255 << FMC_PIO4_IOHOLD_SHIFT)
|
||||
# define FMC_PIO4_IOHOLD(n) ((n) << FMC_PIO4_IOHOLD_SHIFT) /* (n)xHCLK n=1..255 */
|
||||
#define FMC_PIO4_IOHIZ_SHIFT (24) /* IOribute memory databus HiZ time */
|
||||
#define FMC_PIO4_IOHIZ_MASK (255 << FMC_PIO4_IOHIZ_SHIFT)
|
||||
# define FMC_PIO4_IOHIZ(n) ((n) << FMC_PIO4_IOHIZ_SHIFT) /* (n)xHCLK n=0..255 */
|
||||
# define FMC_SDCR_COLBITS_SHIFT (0)
|
||||
# define FMC_SDCR_COLBITS_MASK (3 << FMC_SDCR_COLBITS_SHIFT)
|
||||
# define FMC_SDCR_COLBITS_8 0x00000000
|
||||
# define FMC_SDCR_COLBITS_9 0x00000001
|
||||
# define FMC_SDCR_COLBITS_10 0x00000002
|
||||
# define FMC_SDCR_COLBITS_11 0x00000003
|
||||
|
||||
# define FMC_SDRAM_CR_COLBITS_8 0x00000000
|
||||
# define FMC_SDRAM_CR_COLBITS_9 0x00000001
|
||||
# define FMC_SDRAM_CR_COLBITS_10 0x00000002
|
||||
# define FMC_SDRAM_CR_COLBITS_11 0x00000003
|
||||
# define FMC_SDCR_ROWBITS_SHIFT (2)
|
||||
# define FMC_SDCR_ROWBITS_MASK (3 << FMC_SDCR_ROWBITS_SHIFT)
|
||||
# define FMC_SDCR_ROWBITS_11 0x00000000
|
||||
# define FMC_SDCR_ROWBITS_12 0x00000004
|
||||
# define FMC_SDCR_ROWBITS_13 0x00000008
|
||||
|
||||
# define FMC_SDRAM_CR_ROWBITS_11 0x00000000
|
||||
# define FMC_SDRAM_CR_ROWBITS_12 0x00000004
|
||||
# define FMC_SDRAM_CR_ROWBITS_13 0x00000008
|
||||
# define FMC_SDCR_WIDTH_SHIFT (4)
|
||||
# define FMC_SDCR_WIDTH_MASK (3 << FMC_SDCR_WIDTH_SHIFT)
|
||||
# define FMC_SDCR_WIDTH_8 0x00000000
|
||||
# define FMC_SDCR_WIDTH_16 0x00000010
|
||||
# define FMC_SDCR_WIDTH_32 0x00000020
|
||||
|
||||
# define FMC_SDRAM_CR_WIDTH_8 0x00000000
|
||||
# define FMC_SDRAM_CR_WIDTH_16 0x00000010
|
||||
# define FMC_SDRAM_CR_WIDTH_32 0x00000020
|
||||
# define FMC_SDCR_BANKS_SHIFT (6)
|
||||
# define FMC_SDCR_BANKS_MASK (1 << FMC_SDCR_BANKS_SHIFT)
|
||||
# define FMC_SDCR_BANKS_2 0x00000000
|
||||
# define FMC_SDCR_BANKS_4 0x00000040
|
||||
|
||||
# define FMC_SDRAM_CR_BANKS_2 0x00000000
|
||||
# define FMC_SDRAM_CR_BANKS_4 0x00000040
|
||||
# define FMC_SDCR_CASLAT_SHIFT (7)
|
||||
# define FMC_SDCR_CASLAT_MASK (3 << FMC_SDCR_CASLAT_SHIFT)
|
||||
# define FMC_SDCR_CASLAT_1 0x00000080
|
||||
# define FMC_SDCR_CASLAT_2 0x00000100
|
||||
# define FMC_SDCR_CASLAT_3 0x00000180
|
||||
|
||||
# define FMC_SDRAM_CR_CASLAT_1 0x00000080
|
||||
# define FMC_SDRAM_CR_CASLAT_2 0x00000100
|
||||
# define FMC_SDRAM_CR_CASLAT_3 0x00000180
|
||||
# define FMC_SDCR_WP 0x00000200
|
||||
|
||||
# define FMC_SDRAM_CR_WRITE_PROT 0x00000200
|
||||
# define FMC_SDCR_SDCLK_SHIFT (10)
|
||||
# define FMC_SDCR_SDCLK_MASK (3 << FMC_SDCR_SDCLK_SHIFT)
|
||||
# define FMC_SDCR_SDCLK_DISABLE 0x00000000
|
||||
# define FMC_SDCR_SDCLK_2X 0x00000800
|
||||
# define FMC_SDCR_SDCLK_3X 0x00000C00
|
||||
|
||||
# define FMC_SDRAM_CR_SDCLK_DISABLE 0x00000000
|
||||
# define FMC_SDRAM_CR_SDCLK_2X 0x00000800
|
||||
# define FMC_SDRAM_CR_SDCLK_3X 0x00000C00
|
||||
# define FMC_SDCR_BURST_READ 0x00001000
|
||||
|
||||
# define FMC_SDRAM_CR_BURST_READ 0x00001000
|
||||
# define FMC_SDCR_RPIPE_SHIFT (13)
|
||||
# define FMC_SDCR_RPIPE_MASK (3 << FMC_SDCR_RPIPE_SHIFT)
|
||||
# define FMC_SDCR_RPIPE_0 0x00000000
|
||||
# define FMC_SDCR_RPIPE_1 0x00002000
|
||||
# define FMC_SDCR_RPIPE_2 0x00004000
|
||||
|
||||
# define FMC_SDRAM_CR_RPIPE_0 0x00000000
|
||||
# define FMC_SDRAM_CR_RPIPE_1 0x00002000
|
||||
# define FMC_SDRAM_CR_RPIPE_2 0x00004000
|
||||
#define FMC_SDCR_RESERVED (0x1FFFF << 15) /* reserved bits */
|
||||
|
||||
# define FMC_SDRAM_TR_TMRD_SHIFT 0
|
||||
# define FMC_SDRAM_TR_TXSR_SHIFT 4
|
||||
# define FMC_SDRAM_TR_TRAS_SHIFT 8
|
||||
# define FMC_SDRAM_TR_TRC_SHIFT 12
|
||||
# define FMC_SDRAM_TR_TWR_SHIFT 16
|
||||
# define FMC_SDRAM_TR_TRP_SHIFT 20
|
||||
# define FMC_SDRAM_TR_TRCD_SHIFT 24
|
||||
#define FMC_SDTR_TMRD_SHIFT (0)
|
||||
#define FMC_SDTR_TMRD_MASK FMC_SDTR_TMRD(16)
|
||||
#define FMC_SDTR_TMRD(n) (((n)-1)<<FMC_SDTR_TMRD_SHIFT) /* 1 to 16 cycles */
|
||||
#define FMC_SDTR_TXSR_SHIFT (4)
|
||||
#define FMC_SDTR_TXSR_MASK FMC_SDTR_TXSR(16)
|
||||
#define FMC_SDTR_TXSR(n) (((n)-1) << FMC_SDTR_TXSR_SHIFT)/* 1 to 16 cycles */
|
||||
#define FMC_SDTR_TRAS_SHIFT (8)
|
||||
#define FMC_SDTR_TRAS_MASK FMC_SDTR_TRAS(16)
|
||||
#define FMC_SDTR_TRAS(n) (((n)-1) << FMC_SDTR_TRAS_SHIFT)/* 1 to 16 cycles */
|
||||
#define FMC_SDTR_TRC_SHIFT (12)
|
||||
#define FMC_SDTR_TRC_MASK FMC_SDTR_TRC(16)
|
||||
#define FMC_SDTR_TRC(n) (((n)-1) << FMC_SDTR_TRC_SHIFT) /* 1 to 16 cycles */
|
||||
#define FMC_SDTR_TWR_SHIFT (16)
|
||||
#define FMC_SDTR_TWR_MASK FMC_SDTR_TWR(16)
|
||||
#define FMC_SDTR_TWR(n) (((n)-1) << FMC_SDTR_TWR_SHIFT) /* 1 to 16 cycles */
|
||||
#define FMC_SDTR_TRP_SHIFT (20)
|
||||
#define FMC_SDTR_TRP_MASK FMC_SDTR_TRP(16)
|
||||
#define FMC_SDTR_TRP(n) (((n)-1) << FMC_SDTR_TRP_SHIFT) /* 1 to 16 cycles */
|
||||
#define FMC_SDTR_TRCD_SHIFT (24)
|
||||
#define FMC_SDTR_TRCD_MASK FMC_SDTR_TRCD(16)
|
||||
#define FMC_SDTR_TRCD(n) (((n)-1) << FMC_SDTR_TRCD_SHIFT)/* 1 to 16 cycles */
|
||||
|
||||
# define FMC_SDRAM_MODE_CMD_NORMAL 0
|
||||
# define FMC_SDRAM_MODE_CMD_CLK_ENABLE 1
|
||||
# define FMC_SDRAM_MODE_CMD_PALL 2
|
||||
# define FMC_SDRAM_MODE_CMD_AUTO_REFRESH 3
|
||||
# define FMC_SDRAM_MODE_CMD_LOAD_MODE 4
|
||||
# define FMC_SDRAM_MODE_CMD_SELF_REFRESH 5
|
||||
# define FMC_SDRAM_MODE_CMD_POWER_DOWN 6
|
||||
#define FMC_SDTR_RESERVED (0xF << 28) /* reserved bits */
|
||||
|
||||
# define FMC_SDRAM_CMD_BANK_1 0x00000010
|
||||
# define FMC_SDRAM_CMD_BANK_2 0x00000008
|
||||
#define FMC_SDCMR_MODE_SHIFT (0)
|
||||
#define FMC_SDCMR_MODE_MASK (7 << FMC_SDCMR_MODE_SHIFT)
|
||||
# define FMC_SDCMR_MODE_NORMAL (0 << FMC_SDCMR_MODE_SHIFT)
|
||||
# define FMC_SDCMR_MODE_CLK_ENABLE (1 << FMC_SDCMR_MODE_SHIFT)
|
||||
# define FMC_SDCMR_MODE_PALL (2 << FMC_SDCMR_MODE_SHIFT)
|
||||
# define FMC_SDCMR_MODE_AUTO_REFRESH (3 << FMC_SDCMR_MODE_SHIFT)
|
||||
# define FMC_SDCMR_MODE_LOAD_MODE (4 << FMC_SDCMR_MODE_SHIFT)
|
||||
# define FMC_SDCMR_MODE_SELF_REFRESH (5 << FMC_SDCMR_MODE_SHIFT)
|
||||
# define FMC_SDCMR_MODE_POWER_DOWN (6 << FMC_SDCMR_MODE_SHIFT)
|
||||
#define FMC_SDCMR_CTB2 (1 << 3)
|
||||
#define FMC_SDCMR_CTB1 (1 << 4)
|
||||
#define FMC_SDCMR_NRFS_SHIFT (5)
|
||||
#define FMC_SDCMR_NRFS(n) (((n)-1)<<FMC_SDCMR_NRFS_SHIFT) /* 1 to 16 cycles */
|
||||
#define FMC_SDCMR_MRD_SHIFT (9)
|
||||
#define FMC_SDCMR_MRD_MASK FMC_SDCMR_MRD(16383)
|
||||
#define FMC_SDCMR_MRD(n) ((n) << FMC_SDCMR_MRD_SHIFT) /* SDRAM Mode Register */
|
||||
# define FMC_SDCMR_MRD_BURST_LENGTH_1 FMC_SDCMR_MRD(0x0000)
|
||||
# define FMC_SDCMR_MRD_BURST_LENGTH_2 FMC_SDCMR_MRD(0x0001)
|
||||
# define FMC_SDCMR_MRD_BURST_LENGTH_4 FMC_SDCMR_MRD(0x0002)
|
||||
# define FMC_SDCMR_MRD_BURST_LENGTH_8 FMC_SDCMR_MRD(0x0004)
|
||||
# define FMC_SDCMR_MRD_BURST_TYPE_SEQUENTIAL FMC_SDCMR_MRD(0x0000)
|
||||
# define FMC_SDCMR_MRD_BURST_TYPE_INTERLEAVED FMC_SDCMR_MRD(0x0008)
|
||||
# define FMC_SDCMR_MRD_CAS_LATENCY_2 FMC_SDCMR_MRD(0x0020)
|
||||
# define FMC_SDCMR_MRD_CAS_LATENCY_3 FMC_SDCMR_MRD(0x0030)
|
||||
# define FMC_SDCMR_MRD_OPERATING_MODE_STANDARD FMC_SDCMR_MRD(0x0000)
|
||||
# define FMC_SDCMR_MRD_WRITEBURST_MODE_PROGRAMMED FMC_SDCMR_MRD(0x0000)
|
||||
# define FMC_SDCMR_MRD_WRITEBURST_MODE_SINGLE FMC_SDCMR_MRD(0x0200)
|
||||
|
||||
# define FMC_SDRAM_AUTO_REFRESH_SHIFT 5
|
||||
# define FMC_SDRAM_MODEREG_SHIFT 9
|
||||
#define FMC_SDCMR_RESERVED (0x1ff << 23) /* reserved bits */
|
||||
|
||||
# define FMC_SDRAM_MODEREG_BURST_LENGTH_1 (0x0000 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_BURST_LENGTH_2 (0x0001 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_BURST_LENGTH_4 (0x0002 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_BURST_LENGTH_8 (0x0004 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL (0x0000 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_BURST_TYPE_INTERLEAVED (0x0008 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_CAS_LATENCY_2 (0x0020 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_CAS_LATENCY_3 (0x0030 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_OPERATING_MODE_STANDARD (0x0000 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED (0x0000 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
# define FMC_SDRAM_MODEREG_WRITEBURST_MODE_SINGLE (0x0200 << FMC_SDRAM_MODEREG_SHIFT)
|
||||
#define FMC_SDRTR_CRE (1 << 0)
|
||||
#define FMC_SDRTR_COUNT_SHIFT (1)
|
||||
#define FMC_SDRTR_COUNT_MASK FMC_SDRTR_COUNT(0x1fff)
|
||||
#define FMC_SDRTR_COUNT(val) ((val) << FMC_SDRTR_COUNT_SHIFT)
|
||||
#define FMC_SDRTR_REIE (14 << 0)
|
||||
|
||||
#define FMC_SDSR_RE (1 << 0)
|
||||
#define FMC_SDSR_MODES1_SHIFT (1)
|
||||
#define FMC_SDSR_MODES1_MASK FMC_SDSR_MODES1(3)
|
||||
#define FMC_SDSR_MODES1(n) ((n) << FMC_SDSR_MODES1_SHIFT)
|
||||
# define FMC_SDSR_MODES1_NORMAL FMC_SDSR_MODES1(FMC_SDSR_MODES_NORMAL)
|
||||
# define FMC_SDSR_MODES1_SELF_REFRESH FMC_SDSR_MODES1(FMC_SDSR_MODES_SELF_REFRESH)
|
||||
# define FMC_SDSR_MODES1_POWER_DOWN FMC_SDSR_MODES1(FMC_SDSR_MODES_POWER_DOWN)
|
||||
#define FMC_SDSR_MODES2_SHIFT (3)
|
||||
#define FMC_SDSR_MODES2_MASK FMC_SDSR_MODES2(3)
|
||||
#define FMC_SDSR_MODES2(n) ((n) << FMC_SDSR_MODES2_SHIFT)
|
||||
# define FMC_SDSR_MODES2_NORMAL FMC_SDSR_MODES2(FMC_SDSR_MODES_NORMAL)
|
||||
# define FMC_SDSR_MODES2_SELF_REFRESH FMC_SDSR_MODES2(FMC_SDSR_MODES_SELF_REFRESH)
|
||||
# define FMC_SDSR_MODES2_POWER_DOWN FMC_SDSR_MODES2(FMC_SDSR_MODES_POWER_DOWN)
|
||||
#define FMC_SDSR_MODES_NORMAL (0)
|
||||
#define FMC_SDSR_MODES_SELF_REFRESH (1)
|
||||
#define FMC_SDSR_MODES_POWER_DOWN (2)
|
||||
#define FMC_SDSR_BUSY (1 << 5)
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_STM32F7_STM32_FMC_H */
|
||||
|
||||
@ -68,16 +68,16 @@
|
||||
#define STM32_FMC_NADDRCONFIGS 22
|
||||
#define STM32_FMC_NDATACONFIGS 16
|
||||
|
||||
#define STM32_SDRAM_CLKEN FMC_SDRAM_MODE_CMD_CLK_ENABLE | FMC_SDRAM_CMD_BANK_1
|
||||
#define STM32_SDRAM_PALL FMC_SDRAM_MODE_CMD_PALL | FMC_SDRAM_CMD_BANK_1
|
||||
#define STM32_SDRAM_REFRESH FMC_SDRAM_MODE_CMD_AUTO_REFRESH | FMC_SDRAM_CMD_BANK_1 |\
|
||||
(7 << FMC_SDRAM_AUTO_REFRESH_SHIFT)
|
||||
#define STM32_SDRAM_MODEREG FMC_SDRAM_MODE_CMD_LOAD_MODE | FMC_SDRAM_CMD_BANK_1 |\
|
||||
FMC_SDRAM_MODEREG_BURST_LENGTH_1 | \
|
||||
FMC_SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL |\
|
||||
FMC_SDRAM_MODEREG_CAS_LATENCY_3 |\
|
||||
FMC_SDRAM_MODEREG_WRITEBURST_MODE_SINGLE
|
||||
|
||||
#define STM32_SDRAM_CLKEN FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_CLK_ENABLE
|
||||
#define STM32_SDRAM_PALL FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_PALL
|
||||
#define STM32_SDRAM_REFRESH FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_AUTO_REFRESH |\
|
||||
FMC_SDCMR_NRFS(8)
|
||||
#define STM32_SDRAM_MODEREG FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_LOAD_MODE |\
|
||||
FMC_SDCMR_MRD_BURST_LENGTH_1 | \
|
||||
FMC_SDCMR_MRD_BURST_TYPE_SEQUENTIAL |\
|
||||
FMC_SDCMR_MRD_CAS_LATENCY_3 |\
|
||||
FMC_SDCMR_MRD_OPERATING_MODE_STANDARD |\
|
||||
FMC_SDCMR_MRD_WRITEBURST_MODE_SINGLE
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
@ -87,8 +87,9 @@
|
||||
|
||||
static const uint32_t g_addressconfig[STM32_FMC_NADDRCONFIGS] =
|
||||
{
|
||||
GPIO_FMC_A0, GPIO_FMC_A1, GPIO_FMC_A2, GPIO_FMC_A3, GPIO_FMC_A4 , GPIO_FMC_A5,
|
||||
GPIO_FMC_A6, GPIO_FMC_A7, GPIO_FMC_A8, GPIO_FMC_A9, GPIO_FMC_A10, GPIO_FMC_A11,
|
||||
GPIO_FMC_A0, GPIO_FMC_A1, GPIO_FMC_A2, GPIO_FMC_A3, GPIO_FMC_A4,
|
||||
GPIO_FMC_A5, GPIO_FMC_A6, GPIO_FMC_A7, GPIO_FMC_A8, GPIO_FMC_A9,
|
||||
GPIO_FMC_A10, GPIO_FMC_A11,
|
||||
|
||||
GPIO_FMC_SDCKE0_1, GPIO_FMC_SDNE0_3, GPIO_FMC_SDNWE_3, GPIO_FMC_NBL0,
|
||||
GPIO_FMC_SDNRAS, GPIO_FMC_NBL1, GPIO_FMC_BA0, GPIO_FMC_BA1,
|
||||
@ -97,9 +98,10 @@ static const uint32_t g_addressconfig[STM32_FMC_NADDRCONFIGS] =
|
||||
|
||||
static const uint32_t g_dataconfig[STM32_FMC_NDATACONFIGS] =
|
||||
{
|
||||
GPIO_FMC_D0, GPIO_FMC_D1 , GPIO_FMC_D2, GPIO_FMC_D3, GPIO_FMC_D4 , GPIO_FMC_D5,
|
||||
GPIO_FMC_D6, GPIO_FMC_D7, GPIO_FMC_D8, GPIO_FMC_D9, GPIO_FMC_D10, GPIO_FMC_D11,
|
||||
GPIO_FMC_D12, GPIO_FMC_D13, GPIO_FMC_D14, GPIO_FMC_D15
|
||||
GPIO_FMC_D0, GPIO_FMC_D1, GPIO_FMC_D2, GPIO_FMC_D3, GPIO_FMC_D4,
|
||||
GPIO_FMC_D5, GPIO_FMC_D6, GPIO_FMC_D7, GPIO_FMC_D8, GPIO_FMC_D9,
|
||||
GPIO_FMC_D10, GPIO_FMC_D11, GPIO_FMC_D12, GPIO_FMC_D13, GPIO_FMC_D14,
|
||||
GPIO_FMC_D15
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
@ -145,19 +147,20 @@ static void stm32_extmemgpios(const uint32_t *gpios, int ngpios)
|
||||
static void stm32_sdramcommand(uint32_t command)
|
||||
{
|
||||
uint32_t regval;
|
||||
volatile uint32_t timeout = 0xFFFF;
|
||||
volatile uint32_t timeout = 0xffff;
|
||||
|
||||
regval = getreg32( STM32_FMC_SDSR ) & 0x00000020;
|
||||
regval = getreg32(STM32_FMC_SDSR) & 0x00000020;
|
||||
while ((regval != 0) && timeout-- > 0)
|
||||
{
|
||||
regval = getreg32( STM32_FMC_SDSR ) & 0x00000020;
|
||||
regval = getreg32(STM32_FMC_SDSR) & 0x00000020;
|
||||
}
|
||||
|
||||
putreg32(command, STM32_FMC_SDCMR);
|
||||
timeout = 0xFFFF;
|
||||
regval = getreg32( STM32_FMC_SDSR ) & 0x00000020;
|
||||
timeout = 0xffff;
|
||||
regval = getreg32(STM32_FMC_SDSR) & 0x00000020;
|
||||
while ((regval != 0) && timeout-- > 0)
|
||||
{
|
||||
regval = getreg32( STM32_FMC_SDSR ) & 0x00000020;
|
||||
regval = getreg32(STM32_FMC_SDSR) & 0x00000020;
|
||||
}
|
||||
}
|
||||
|
||||
@ -181,7 +184,7 @@ void stm32_enablefmc(void)
|
||||
|
||||
/* Enable AHB clocking to the FMC */
|
||||
|
||||
regval = getreg32( STM32_RCC_AHB3ENR);
|
||||
regval = getreg32(STM32_RCC_AHB3ENR);
|
||||
regval |= RCC_AHB3ENR_FMCEN;
|
||||
putreg32(regval, STM32_RCC_AHB3ENR);
|
||||
|
||||
@ -192,23 +195,23 @@ void stm32_enablefmc(void)
|
||||
* All timings from the datasheet for Speedgrade -6A (=6ns)
|
||||
*/
|
||||
|
||||
putreg32(FMC_SDRAM_CR_RPIPE_0 |
|
||||
FMC_SDRAM_CR_BURST_READ |
|
||||
FMC_SDRAM_CR_SDCLK_2X |
|
||||
FMC_SDRAM_CR_CASLAT_3 |
|
||||
FMC_SDRAM_CR_BANKS_4 |
|
||||
FMC_SDRAM_CR_WIDTH_16 |
|
||||
FMC_SDRAM_CR_ROWBITS_12 |
|
||||
FMC_SDRAM_CR_COLBITS_8,
|
||||
putreg32(FMC_SDCR_RPIPE_0 |
|
||||
FMC_SDCR_BURST_READ |
|
||||
FMC_SDCR_SDCLK_2X |
|
||||
FMC_SDCR_CASLAT_3 |
|
||||
FMC_SDCR_BANKS_4 |
|
||||
FMC_SDCR_WIDTH_16 |
|
||||
FMC_SDCR_ROWBITS_12 |
|
||||
FMC_SDCR_COLBITS_8,
|
||||
STM32_FMC_SDCR1);
|
||||
|
||||
putreg32((1 << FMC_SDRAM_TR_TRCD_SHIFT) | /* tRCD min = 18ns */
|
||||
(1 << FMC_SDRAM_TR_TRP_SHIFT) | /* tRP min = 18ns */
|
||||
(1 << FMC_SDRAM_TR_TWR_SHIFT) | /* tWR = 2CLK */
|
||||
(6 << FMC_SDRAM_TR_TRC_SHIFT) | /* tRC min = 64ns */
|
||||
(4 << FMC_SDRAM_TR_TRAS_SHIFT) | /* tRAS min = 46ns */
|
||||
(7 << FMC_SDRAM_TR_TXSR_SHIFT) | /* tXSR min = 74ns */
|
||||
(1 << FMC_SDRAM_TR_TMRD_SHIFT), /* tMRD = 2CLK */
|
||||
putreg32(FMC_SDTR_TRCD(2) | /* tRCD min = 18ns */
|
||||
FMC_SDTR_TRP(2) | /* tRP min = 18ns */
|
||||
FMC_SDTR_TWR(2) | /* tWR = 2CLK */
|
||||
FMC_SDTR_TRC(7) | /* tRC min = 64ns */
|
||||
FMC_SDTR_TRAS(5) | /* tRAS min = 46ns */
|
||||
FMC_SDTR_TXSR(8) | /* tXSR min = 74ns */
|
||||
FMC_SDTR_TMRD(2), /* tMRD = 2CLK */
|
||||
STM32_FMC_SDTR1);
|
||||
|
||||
/* SDRAM Initialization sequence */
|
||||
|
||||
@ -63,4 +63,8 @@ ifeq ($(CONFIG_SPORADIC_INSTRUMENTATION),y)
|
||||
CSRCS += stm32_sporadic.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_STM32F7_FMC),y)
|
||||
CSRCS += stm32_extmem.c
|
||||
endif
|
||||
|
||||
include $(TOPDIR)/boards/Board.mk
|
||||
|
||||
@ -86,7 +86,7 @@ void stm32_boardinitialize(void)
|
||||
|
||||
#ifdef CONFIG_SPORADIC_INSTRUMENTATION
|
||||
/* This configuration has been used for evaluating the NuttX sporadic scheduler.
|
||||
* The following caqll initializes the sporadic scheduler monitor.
|
||||
* The following call initializes the sporadic scheduler monitor.
|
||||
*/
|
||||
|
||||
arch_sporadic_initialize();
|
||||
@ -97,6 +97,10 @@ void stm32_boardinitialize(void)
|
||||
|
||||
board_autoled_initialize();
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_STM32F7_FMC
|
||||
stm32_sdram_initialize();
|
||||
#endif
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
|
||||
322
boards/arm/stm32f7/stm32f769i-disco/src/stm32_extmem.c
Normal file
322
boards/arm/stm32f7/stm32f769i-disco/src/stm32_extmem.c
Normal file
@ -0,0 +1,322 @@
|
||||
/****************************************************************************
|
||||
* boards/arm/stm32f7/stm32f769i-disco/src/stm32_extmem.c
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <stdint.h>
|
||||
#include <assert.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "chip.h"
|
||||
#include "arm_arch.h"
|
||||
|
||||
#include "stm32_fmc.h"
|
||||
#include "stm32_gpio.h"
|
||||
#include "stm32_rcc.h"
|
||||
#include "stm32f769i-disco.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef CONFIG_STM32F7_FMC
|
||||
# warning "FMC is not enabled"
|
||||
#endif
|
||||
|
||||
#if STM32F7_NGPIO < 8
|
||||
# error "Required GPIO ports not enabled"
|
||||
#endif
|
||||
|
||||
#define STM32_FMC_NADDRCONFIGS 25
|
||||
#define STM32_FMC_NDATACONFIGS 32
|
||||
|
||||
#define STM32_SDRAM_CLKEN FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_CLK_ENABLE
|
||||
#define STM32_SDRAM_PALL FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_PALL
|
||||
#define STM32_SDRAM_REFRESH FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_AUTO_REFRESH |\
|
||||
FMC_SDCMR_NRFS(8)
|
||||
#define STM32_SDRAM_MODEREG FMC_SDCMR_CTB1 | FMC_SDCMR_MODE_LOAD_MODE |\
|
||||
FMC_SDCMR_MRD_BURST_LENGTH_1 | \
|
||||
FMC_SDCMR_MRD_BURST_TYPE_SEQUENTIAL |\
|
||||
FMC_SDCMR_MRD_CAS_LATENCY_3 |\
|
||||
FMC_SDCMR_MRD_OPERATING_MODE_STANDARD |\
|
||||
FMC_SDCMR_MRD_WRITEBURST_MODE_SINGLE
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
/* GPIO configurations common to most external memories */
|
||||
|
||||
static const uint32_t g_addressconfig[STM32_FMC_NADDRCONFIGS] =
|
||||
{
|
||||
GPIO_FMC_A0, GPIO_FMC_A1, GPIO_FMC_A2, GPIO_FMC_A3, GPIO_FMC_A4,
|
||||
GPIO_FMC_A5, GPIO_FMC_A6, GPIO_FMC_A7, GPIO_FMC_A8, GPIO_FMC_A9,
|
||||
GPIO_FMC_A10, GPIO_FMC_A11, GPIO_FMC_A12,
|
||||
|
||||
GPIO_FMC_NBL0, GPIO_FMC_NBL1, GPIO_FMC_NBL2, GPIO_FMC_NBL3, GPIO_FMC_BA0,
|
||||
GPIO_FMC_BA1, GPIO_FMC_SDNWE_3, GPIO_FMC_SDNCAS, GPIO_FMC_SDNRAS,
|
||||
GPIO_FMC_SDNE0_3, GPIO_FMC_SDCKE0_3, GPIO_FMC_SDCLK
|
||||
};
|
||||
|
||||
static const uint32_t g_dataconfig[STM32_FMC_NDATACONFIGS] =
|
||||
{
|
||||
GPIO_FMC_D0, GPIO_FMC_D1, GPIO_FMC_D2, GPIO_FMC_D3, GPIO_FMC_D4,
|
||||
GPIO_FMC_D5, GPIO_FMC_D6, GPIO_FMC_D7, GPIO_FMC_D8, GPIO_FMC_D9,
|
||||
GPIO_FMC_D10, GPIO_FMC_D11, GPIO_FMC_D12, GPIO_FMC_D13, GPIO_FMC_D14,
|
||||
GPIO_FMC_D15, GPIO_FMC_D16, GPIO_FMC_D17, GPIO_FMC_D18, GPIO_FMC_D19,
|
||||
GPIO_FMC_D20, GPIO_FMC_D21, GPIO_FMC_D22, GPIO_FMC_D23, GPIO_FMC_D24,
|
||||
GPIO_FMC_D25, GPIO_FMC_D26, GPIO_FMC_D27, GPIO_FMC_D28, GPIO_FMC_D29,
|
||||
GPIO_FMC_D30, GPIO_FMC_D31
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_fmc_sdram_wait
|
||||
*
|
||||
* Description:
|
||||
* Wait for the SDRAM controller to be ready.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void stm32_fmc_sdram_wait(void)
|
||||
{
|
||||
int timeout = 0xffff;
|
||||
while (timeout > 0)
|
||||
{
|
||||
if ((getreg32(STM32_FMC_SDSR) & FMC_SDSR_BUSY) == 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
timeout--;
|
||||
}
|
||||
|
||||
DEBUGASSERT(timeout > 0);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_fmc_enable
|
||||
*
|
||||
* Description:
|
||||
* Enable clocking to the FMC.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void stm32_fmc_enable(void)
|
||||
{
|
||||
modifyreg32(STM32_RCC_AHB3ENR, 0, RCC_AHB3ENR_FMCEN);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_fmc_sdram_set_refresh_rate
|
||||
*
|
||||
* Description:
|
||||
* Set the SDRAM refresh rate.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void stm32_fmc_sdram_set_refresh_rate(int count)
|
||||
{
|
||||
uint32_t val;
|
||||
|
||||
DEBUGASSERT(count <= 0x1fff && count >= 0x29);
|
||||
|
||||
stm32_fmc_sdram_wait();
|
||||
|
||||
val = getreg32(STM32_FMC_SDRTR);
|
||||
val &= ~(0x1fff << 1); /* preserve non-count bits */
|
||||
val |= (count << 1);
|
||||
putreg32(val, STM32_FMC_SDRTR);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_fmc_sdram_set_timing
|
||||
*
|
||||
* Description:
|
||||
* Set the SDRAM timing parameters.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void stm32_fmc_sdram_set_timing(int bank, uint32_t timing)
|
||||
{
|
||||
uint32_t val;
|
||||
uint32_t sdtr;
|
||||
|
||||
DEBUGASSERT((bank == 1) || (bank == 2));
|
||||
DEBUGASSERT((timing & FMC_SDTR_RESERVED) == 0);
|
||||
|
||||
sdtr = (bank == 1) ? STM32_FMC_SDTR1 : STM32_FMC_SDTR2;
|
||||
val = getreg32(sdtr);
|
||||
val &= FMC_SDTR_RESERVED; /* preserve reserved bits */
|
||||
val |= timing;
|
||||
putreg32(val, sdtr);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_fmc_sdram_set_control
|
||||
*
|
||||
* Description:
|
||||
* Set the SDRAM control parameters.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void stm32_fmc_sdram_set_control(int bank, uint32_t ctrl)
|
||||
{
|
||||
uint32_t val;
|
||||
uint32_t sdcr;
|
||||
|
||||
DEBUGASSERT((bank == 1) || (bank == 2));
|
||||
DEBUGASSERT((ctrl & FMC_SDCR_RESERVED) == 0);
|
||||
|
||||
sdcr = (bank == 1) ? STM32_FMC_SDCR1 : STM32_FMC_SDCR2;
|
||||
val = getreg32(sdcr);
|
||||
val &= FMC_SDCR_RESERVED; /* preserve reserved bits */
|
||||
val |= ctrl;
|
||||
putreg32(val, sdcr);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_fmc_sdram_command
|
||||
*
|
||||
* Description:
|
||||
* Send a command to the SDRAM.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void stm32_fmc_sdram_command(uint32_t cmd)
|
||||
{
|
||||
uint32_t val;
|
||||
|
||||
DEBUGASSERT((cmd & FMC_SDCMR_RESERVED) == 0);
|
||||
|
||||
/* Wait for the controller to be ready */
|
||||
|
||||
stm32_fmc_sdram_wait();
|
||||
|
||||
val = getreg32(STM32_FMC_SDCMR);
|
||||
val &= FMC_SDCMR_RESERVED; /* Preserve reserved bits */
|
||||
val |= cmd;
|
||||
putreg32(val, STM32_FMC_SDCMR);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_extmemgpios
|
||||
*
|
||||
* Description:
|
||||
* Initialize GPIOs for external memory usage.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void stm32_extmemgpios(const uint32_t *gpios, int ngpios)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* Configure GPIOs */
|
||||
|
||||
for (i = 0; i < ngpios; i++)
|
||||
{
|
||||
stm32_configgpio(gpios[i]);
|
||||
}
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_sdram_initialize
|
||||
*
|
||||
* Description:
|
||||
* Called from stm32_bringup to initialize external SDRAM access.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void stm32_sdram_initialize(void)
|
||||
{
|
||||
uint32_t val;
|
||||
volatile int count;
|
||||
|
||||
/* Enable GPIOs as FMC / memory pins */
|
||||
|
||||
stm32_extmemgpios(g_addressconfig, STM32_FMC_NADDRCONFIGS);
|
||||
stm32_extmemgpios(g_dataconfig, STM32_FMC_NDATACONFIGS);
|
||||
|
||||
/* Enable AHB clocking to the FMC */
|
||||
|
||||
stm32_fmc_enable();
|
||||
|
||||
/* Configure and enable the SDRAM bank1
|
||||
*
|
||||
* FMC clock = 216MHz/2 = 108MHz
|
||||
* 108MHz = 9,26 ns
|
||||
* All timings from the datasheet for Speedgrade -6A (=6ns)
|
||||
*/
|
||||
|
||||
val = FMC_SDCR_RPIPE_0 | /* rpipe = 0 hclk */
|
||||
FMC_SDCR_BURST_READ | /* enable burst read */
|
||||
FMC_SDCR_SDCLK_2X | /* sdclk = 2 hclk */
|
||||
FMC_SDCR_CASLAT_3 | /* cas latency = 3 cycles */
|
||||
FMC_SDCR_BANKS_4 | /* 4 internal banks */
|
||||
FMC_SDCR_WIDTH_32 | /* width = 32 bits */
|
||||
FMC_SDCR_ROWBITS_12 | /* numrows = 12 bits */
|
||||
FMC_SDCR_COLBITS_8; /* numcols = 8 bits */
|
||||
stm32_fmc_sdram_set_control(1, val);
|
||||
|
||||
val = FMC_SDTR_TRCD(2) | /* tRCD min = 18ns */
|
||||
FMC_SDTR_TRP(2) | /* tRP min = 18ns */
|
||||
FMC_SDTR_TWR(3) | /* tWR = 3CLK */
|
||||
FMC_SDTR_TRC(7) | /* tRC min = 64ns */
|
||||
FMC_SDTR_TRAS(4) | /* tRAS min = 37ns */
|
||||
FMC_SDTR_TXSR(7) | /* tXSR min = 64ns */
|
||||
FMC_SDTR_TMRD(2); /* tMRD = 2CLK */
|
||||
stm32_fmc_sdram_set_timing(1, val);
|
||||
|
||||
/* SDRAM Initialization sequence */
|
||||
|
||||
stm32_fmc_sdram_command(STM32_SDRAM_CLKEN); /* Clock enable command */
|
||||
|
||||
for (count = 0; count < 10000; count++); /* Delay */
|
||||
|
||||
stm32_fmc_sdram_command(STM32_SDRAM_PALL); /* Precharge ALL command */
|
||||
stm32_fmc_sdram_command(STM32_SDRAM_REFRESH); /* Auto refresh command */
|
||||
stm32_fmc_sdram_command(STM32_SDRAM_MODEREG); /* Mode Register program */
|
||||
|
||||
/* Set refresh count
|
||||
*
|
||||
* FMC_CLK = 108MHz
|
||||
* Refresh_Rate = 64ms / 4096 rows = 15.63us
|
||||
* Counter = (FMC_CLK * Refresh_Rate) - 20
|
||||
*/
|
||||
|
||||
stm32_fmc_sdram_set_refresh_rate(1668);
|
||||
}
|
||||
@ -74,9 +74,11 @@
|
||||
|
||||
#define GPIO_BTN_USER (GPIO_INPUT | GPIO_FLOAT | GPIO_EXTI | GPIO_PORTA | GPIO_PIN0)
|
||||
|
||||
/* Sporadic scheduler instrumentation. This configuration has been used for evaluating the NuttX
|
||||
* sporadic scheduler. In this evaluation, two GPIO outputs are used. One indicating the priority
|
||||
* (high or low) of the sporadic thread and one indicating where the thread is running or not.
|
||||
/* Sporadic scheduler instrumentation.
|
||||
* This configuration has been used for evaluating the NuttX sporadic scheduler.
|
||||
* In this evaluation, two GPIO outputs are used. One indicating the priority
|
||||
* (high or low) of the sporadic thread and one indicating where the thread is
|
||||
* running or not.
|
||||
*
|
||||
* There is nothing special about the pin selections:
|
||||
*
|
||||
@ -157,5 +159,17 @@ void weak_function stm32_spidev_initialize(void);
|
||||
void arch_sporadic_initialize(void);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: stm32_sdram_initialize
|
||||
*
|
||||
* Description:
|
||||
* Called from stm32_bringup to initialize external SDRAM access.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_STM32F7_FMC
|
||||
void stm32_sdram_initialize(void);
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __BOARDS_ARM_STM32F7_STM32F769I_DISCO_SRC_STM32F769I_DISCO_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user