diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc55xx/dspi/dspi.c')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc55xx/dspi/dspi.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc55xx/dspi/dspi.c b/c/src/lib/libcpu/powerpc/mpc55xx/dspi/dspi.c index 2d78905d77..448b4bf020 100644 --- a/c/src/lib/libcpu/powerpc/mpc55xx/dspi/dspi.c +++ b/c/src/lib/libcpu/powerpc/mpc55xx/dspi/dspi.c @@ -317,12 +317,13 @@ static rtems_status_code mpc55xx_dspi_send_addr( rtems_libi2c_bus_t *bus, uint32 return RTEMS_SUCCESSFUL; } +/* FIXME, TODO */ +extern uint32_t bsp_clock_speed; + static int mpc55xx_dspi_set_transfer_mode( rtems_libi2c_bus_t *bus, const rtems_libi2c_tfr_mode_t *mode) { mpc55xx_dspi_bus_entry *e = (mpc55xx_dspi_bus_entry *) bus; union DSPI_CTAR_tag ctar = MPC55XX_ZERO_FLAGS; - // FIXME, TODO - extern uint32_t bsp_clock_speed; uint32_t scaler = bsp_clock_speed / mode->baudrate; mpc55xx_dspi_baudrate_scaler_entry bse = mpc55xx_dspi_search_baudrate_scaler( scaler, 0, MPC55XX_DSPI_BAUDRATE_SCALER_TABLE_SIZE / 2, MPC55XX_DSPI_BAUDRATE_SCALER_TABLE_SIZE); @@ -337,11 +338,6 @@ static int mpc55xx_dspi_set_transfer_mode( rtems_libi2c_bus_t *bus, const rtems_ ctar.B.PBR = bse.pbr; ctar.B.BR = bse.br; - // ctar.B.PCSSCK = bse.pbr; - // ctar.B.CSSCK = bse.br; - // ctar.B.PASC = bse.pbr; - // ctar.B.ASC = bse.br; - ctar.B.PCSSCK = 0; ctar.B.CSSCK = 0; ctar.B.PASC = 0; @@ -425,8 +421,8 @@ static int mpc55xx_dspi_read_write( rtems_libi2c_bus_t *bus, unsigned char *in, } if (n > MPC55XX_DSPI_EDMA_MAGIC_SIZE) { - n_nc = mpc55xx_non_cache_aligned_size( in); - n_c = mpc55xx_cache_aligned_size( in, n); + n_nc = (int) mpc55xx_non_cache_aligned_size( in); + n_c = (int) mpc55xx_cache_aligned_size( in, (size_t) n); if (n_c > EDMA_TCD_BITER_LINKED_SIZE) { SYSLOG_WARNING( "Buffer size out of range, cannot use eDMA\n"); n_nc = n; @@ -462,8 +458,7 @@ static int mpc55xx_dspi_read_write( rtems_libi2c_bus_t *bus, unsigned char *in, /* Read */ if (r < n_nc && sr.B.RXCTR != 0) { pop_data.R = ppc_read_word( pop); - in [r] = pop_data.B.RXDATA; - // printk( "[%03u]: 0x%02x -> 0x%02x\n", r, out [r], in [r]); + in [r] = (unsigned char) pop_data.B.RXDATA; ++r; } } @@ -484,7 +479,6 @@ static int mpc55xx_dspi_read_write( rtems_libi2c_bus_t *bus, unsigned char *in, /* Read */ if (r < n_nc && sr.B.RXCTR != 0) { pop_data.R = ppc_read_word( pop); - // printk( "[%03u]: 0x%02x -> 0x%02x\n", r, out [r], in [r]); ++r; } } @@ -505,8 +499,7 @@ static int mpc55xx_dspi_read_write( rtems_libi2c_bus_t *bus, unsigned char *in, /* Read */ if (r < n_nc && sr.B.RXCTR != 0) { pop_data.R = ppc_read_word( pop); - in [r] = pop_data.B.RXDATA; - // printk( "[%03u]: 0x%02x -> 0x%02x\n", r, out [r], in [r]); + in [r] = (unsigned char) pop_data.B.RXDATA; ++r; } } @@ -521,8 +514,8 @@ static int mpc55xx_dspi_read_write( rtems_libi2c_bus_t *bus, unsigned char *in, struct tcd_t tcd_receive = MPC55XX_EDMA_TCD_DEFAULT; /* Cache operations */ - rtems_cache_flush_multiple_data_lines( out_c, n_c); - rtems_cache_invalidate_multiple_data_lines( in_c, n_c); + rtems_cache_flush_multiple_data_lines( out_c, (size_t) n_c); + rtems_cache_invalidate_multiple_data_lines( in_c, (size_t) n_c); /* Set transmit TCD */ if (out == NULL) { |