X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fcortex-m3%2Fdrv%2Fhsmci_sam3.c;h=cfc1c8b6eb4677815ec39bb2f8d797647c435d05;hb=4ddace69429f1b24dfccfba49d2e47ae059609d3;hp=b32d688be173e9adac02914c16f7449f0d6cdf3a;hpb=53716ae692a6352c1b230a568f4dbb2a779bda85;p=bertos.git diff --git a/bertos/cpu/cortex-m3/drv/hsmci_sam3.c b/bertos/cpu/cortex-m3/drv/hsmci_sam3.c index b32d688b..cfc1c8b6 100644 --- a/bertos/cpu/cortex-m3/drv/hsmci_sam3.c +++ b/bertos/cpu/cortex-m3/drv/hsmci_sam3.c @@ -109,7 +109,6 @@ static DECLARE_ISR(hsmci_irq) uint32_t status = HSMCI_SR; if (status & BV(HSMCI_IER_DMADONE)) { - kputs("\n\nfatto\n\n"); } } @@ -138,7 +137,7 @@ bool hsmci_sendCmd(uint8_t index, uint32_t argument, uint32_t reply_type) HSMCI_WAIT(); HSMCI_ARGR = argument; - HSMCI_CMDR = index | reply_type | BV(HSMCI_CMDR_MAXLAT);// | BV(HSMCI_CMDR_OPDCMD); + HSMCI_CMDR = index | reply_type | BV(HSMCI_CMDR_MAXLAT); uint32_t status = HSMCI_SR; while (!(status & BV(HSMCI_SR_CMDRDY))) @@ -157,12 +156,11 @@ bool hsmci_sendCmd(uint8_t index, uint32_t argument, uint32_t reply_type) INLINE void hsmci_setBlockSize(size_t blk_size) { - HSMCI_IER = BV(HSMCI_IER_DMADONE); HSMCI_DMA |= BV(HSMCI_DMA_DMAEN); HSMCI_BLKR = blk_size << HSMCI_BLKR_BLKLEN_SHIFT; } -void hsmci_prgTxDMA(uint32_t *buf, size_t word_num, size_t blk_size) +void hsmci_prgTxDMA(const uint32_t *buf, size_t word_num, size_t blk_size) { hsmci_setBlockSize(blk_size); @@ -173,18 +171,12 @@ void hsmci_prgTxDMA(uint32_t *buf, size_t word_num, size_t blk_size) DMAC_DADDR0 = (uint32_t)&HSMCI_TDR; DMAC_DSCR0 = 0; + DMAC_CFG0 = BV(DMAC_CFG_DST_H2SEL) | DMAC_CFG_FIFOCFG_ALAP_CFG | (0x1 << DMAC_CFG_AHB_PROT_SHIFT); DMAC_CTRLA0 = (word_num & DMAC_CTRLA_BTSIZE_MASK) | DMAC_CTRLA_SRC_WIDTH_WORD | DMAC_CTRLA_DST_WIDTH_WORD; DMAC_CTRLB0 = (BV(DMAC_CTRLB_SRC_DSCR) | BV(DMAC_CTRLB_DST_DSCR) | DMAC_CTRLB_FC_MEM2PER_DMA_FC | DMAC_CTRLB_DST_INCR_FIXED | DMAC_CTRLB_SRC_INCR_INCREMENTING | BV(DMAC_CTRLB_IEN)); - kprintf("SDDR %08lx\n", DMAC_SADDR0); - kprintf("DDDR %08lx\n", DMAC_DADDR0); - kprintf("CTRA %08lx\n", DMAC_CTRLA0); - kprintf("CTRB %08lx\n", DMAC_CTRLB0); - kprintf("EBCI %08lx\n", DMAC_EBCISR); - kprintf("CHSR %08lx\n", DMAC_CHSR); - ASSERT(!(DMAC_CHSR & BV(DMAC_CHSR_ENA0))); DMAC_CHER = BV(DMAC_CHER_ENA0); @@ -200,18 +192,12 @@ void hsmci_prgRxDMA(uint32_t *buf, size_t word_num, size_t blk_size) DMAC_DADDR0 = (uint32_t)buf; DMAC_DSCR0 = 0; + DMAC_CFG0 = BV(DMAC_CFG_SRC_H2SEL) | DMAC_CFG_FIFOCFG_ALAP_CFG | (0x1 << DMAC_CFG_AHB_PROT_SHIFT); DMAC_CTRLA0 = (word_num & DMAC_CTRLA_BTSIZE_MASK) | DMAC_CTRLA_SRC_WIDTH_WORD | DMAC_CTRLA_DST_WIDTH_WORD; DMAC_CTRLB0 = (BV(DMAC_CTRLB_SRC_DSCR) | BV(DMAC_CTRLB_DST_DSCR) | DMAC_CTRLB_FC_PER2MEM_DMA_FC | DMAC_CTRLB_DST_INCR_INCREMENTING | DMAC_CTRLB_SRC_INCR_FIXED | BV(DMAC_CTRLB_IEN)); - kprintf("SDDR %08lx\n", DMAC_SADDR0); - kprintf("DDDR %08lx\n", DMAC_DADDR0); - kprintf("CTRA %08lx\n", DMAC_CTRLA0); - kprintf("CTRB %08lx\n", DMAC_CTRLB0); - kprintf("EBCI %08lx\n", DMAC_EBCISR); - kprintf("CHSR %08lx\n", DMAC_CHSR); - ASSERT(!(DMAC_CHSR & BV(DMAC_CHSR_ENA0))); DMAC_CHER = BV(DMAC_CHER_ENA0); } @@ -256,16 +242,14 @@ void hsmci_init(Hsmci *hsmci) HSMCI_CR = BV(HSMCI_CR_MCIEN); HSMCI_DMA = 0; - //init DMAC DMAC_EBCIDR = 0x3FFFFF; DMAC_CHDR = 0x1F; - DMAC_CFG0 = BV(DMAC_CFG_SRC_H2SEL) | DMAC_CFG_FIFOCFG_ALAP_CFG | (0x1 << DMAC_CFG_AHB_PROT_SHIFT); + pmc_periphEnable(DMAC_ID); DMAC_EN = BV(DMAC_EN_ENABLE); sysirq_setHandler(INT_DMAC, dmac_irq); DMAC_EBCIER = BV(DMAC_EBCIER_BTC0) | BV(DMAC_EBCIER_ERR0); - }