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- Add FSMC helper macros. IMO FSMC_BTR_ACCMOD aren't much use, but I left them in case someone uses them. 

- FSMC_BASE is already in memorymap.h so don't define it here.
This commit is contained in:
Daniel O'Connor 2012-03-22 20:03:22 +10:30 committed by Piotr Esden-Tempski
parent 5a463f03e1
commit 404353b1aa
1 changed files with 13 additions and 3 deletions
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16
include/libopencm3/stm32/fsmc.h
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@ -25,9 +25,6 @@
/* --- Convenience macros -------------------------------------------------- */
/* TODO: Move to memorymap.h? */
#define FSMC_BASE 0xa0000000
#define FSMC_BANK1_BASE 0x60000000 /* NOR / PSRAM */
#define FSMC_BANK2_BASE 0x70000000 /* NAND flash */
#define FSMC_BANK3_BASE 0x80000000 /* NAND flash */
@ -142,26 +139,39 @@
/* Bits [31:30]: Reserved. */
/* Same for read and write */
#define FSMC_BTx_ACCMOD_A (0)
#define FSMC_BTx_ACCMOD_B (1)
#define FSMC_BTx_ACCMOD_C (2)
#define FSMC_BTx_ACCMOD_D (3)
/* ACCMOD[29:28]: Access mode */
#define FSMC_BTR_ACCMOD (1 << 28)
#define FSMC_BTR_ACCMODx(x) (((x) & 0x03) << 28)
/* DATLAT[27:24]: Data latency (for synchronous burst NOR flash) */
#define FSMC_BTR_DATLAT (1 << 24)
#define FSMC_BTR_DATLATx(x) (((x) & 0x0f) << 24)
/* CLKDIV[23:20]: Clock divide ratio (for CLK signal) */
#define FSMC_BTR_CLKDIV (1 << 20)
#define FSMC_BTR_CLKDIVx(x) (((x) & 0x0f) << 20)
/* BUSTURN[19:16]: Bus turnaround phase duration */
#define FSMC_BTR_BUSTURN (1 << 16)
#define FSMC_BTR_BUSTURNx(x) (((x) & 0x0f) << 16)
/* DATAST[15:8]: Data-phase duration */
#define FSMC_BTR_DATAST (1 << 8)
#define FSMC_BTR_DATASTx(x) (((x) & 0xff) << 8)
/* ADDHLD[7:4]: Address-hold phase duration */
#define FSMC_BTR_ADDHLD (1 << 4)
#define FSMC_BTR_ADDHLDx(x) (((x) & 0x0f) << 4)
/* ADDSET[3:0]: Address setup phase duration */
#define FSMC_BTR_ADDSET (1 << 0)
#define FSMC_BTR_ADDSETx(x) (((x) & 0x0f) << 0)
/* --- FSMC_BWTRx values --------------------------------------------------- */