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FMC TDC 1ns 5cha - Software
Commit 398cd3ee authored by Federico Vaga's avatar Federico Vaga
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drv: restore buffer burst size configuration 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent bf09403f
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kernel/ft-core.c
View file @ 398cd3ee
......@@ -113,6 +113,19 @@ int ft_enable_termination(struct fmctdc_dev *ft, int channel, int enable)
return 0;
}
static void ft_buffer_burst_size_set(struct fmctdc_dev *ft,
unsigned int chan,
uint32_t size)
{
const uint32_t base = ft->ft_dma_base + (0x40 * chan);
uint32_t tmp;
tmp = ft_ioread(ft, base + TDC_BUF_REG_CSR);
tmp &= ~TDC_BUF_CSR_BURST_SIZE_MASK;
tmp |= TDC_BUF_CSR_BURST_SIZE_W(size);
ft_iowrite(ft, tmp, base + TDC_BUF_REG_CSR);
}
static void ft_buffer_burst_enable(struct fmctdc_dev *ft,
unsigned int chan)
{
......@@ -173,6 +186,7 @@ static void ft_buffer_init(struct fmctdc_dev *ft, int channel)
val |= TDC_BUF_NEXT_SIZE_VALID;
ft_iowrite(ft, val, base + TDC_BUF_REG_NEXT_SIZE);
ft_buffer_burst_size_set(ft, channel, dma_buf_ddr_burst_size_default);
ft_buffer_burst_enable(ft, channel);
dev_info(&ft->fmc->dev,
......
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