diff options
Diffstat (limited to 'cpu/mpc85xx/serial_scc.c')
| -rw-r--r-- | cpu/mpc85xx/serial_scc.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/cpu/mpc85xx/serial_scc.c b/cpu/mpc85xx/serial_scc.c index 4e925f8..7ee3cc8 100644 --- a/cpu/mpc85xx/serial_scc.c +++ b/cpu/mpc85xx/serial_scc.c @@ -88,17 +88,17 @@ DECLARE_GLOBAL_DATA_PTR; int serial_init (void) { - volatile immap_t *im = (immap_t *)CFG_IMMR; + volatile ccsr_cpm_t *cpm = (ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR; volatile ccsr_cpm_scc_t *sp; volatile scc_uart_t *up; volatile cbd_t *tbdf, *rbdf; - volatile ccsr_cpm_cp_t *cp = &(im->im_cpm.im_cpm_cp); + volatile ccsr_cpm_cp_t *cp = &(cpm->im_cpm_cp); uint dpaddr; /* initialize pointers to SCC */ - sp = (ccsr_cpm_scc_t *) &(im->im_cpm.im_cpm_scc[SCC_INDEX]); - up = (scc_uart_t *)&(im->im_cpm.im_dprambase[PROFF_SCC]); + sp = (ccsr_cpm_scc_t *) &(cpm->im_cpm_scc[SCC_INDEX]); + up = (scc_uart_t *)&(cpm->im_dprambase[PROFF_SCC]); /* Disable transmitter/receiver. */ @@ -107,8 +107,8 @@ int serial_init (void) /* put the SCC channel into NMSI (non multiplexd serial interface) * mode and wire the selected SCC Tx and Rx clocks to BRGx (15-15). */ - im->im_cpm.im_cpm_mux.cmxscr = \ - (im->im_cpm.im_cpm_mux.cmxscr&~CMXSCR_MASK)|CMXSCR_VALUE; + cpm->im_cpm_mux.cmxscr = \ + (cpm->im_cpm_mux.cmxscr&~CMXSCR_MASK)|CMXSCR_VALUE; /* Set up the baud rate generator. */ @@ -123,7 +123,7 @@ int serial_init (void) /* Set the physical address of the host memory buffers in * the buffer descriptors. */ - rbdf = (cbd_t *)&(im->im_cpm.im_dprambase[dpaddr]); + rbdf = (cbd_t *)&(cpm->im_dprambase[dpaddr]); rbdf->cbd_bufaddr = (uint) (rbdf+2); rbdf->cbd_sc = BD_SC_EMPTY | BD_SC_WRAP; tbdf = rbdf + 1; @@ -201,14 +201,13 @@ serial_putc(const char c) { volatile scc_uart_t *up; volatile cbd_t *tbdf; - volatile immap_t *im; + volatile ccsr_cpm_t *cpm = (ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR; if (c == '\n') serial_putc ('\r'); - im = (immap_t *)CFG_IMMR; - up = (scc_uart_t *)&(im->im_cpm.im_dprambase[PROFF_SCC]); - tbdf = (cbd_t *)&(im->im_cpm.im_dprambase[up->scc_genscc.scc_tbase]); + up = (scc_uart_t *)&(cpm->im_dprambase[PROFF_SCC]); + tbdf = (cbd_t *)&(cpm->im_dprambase[up->scc_genscc.scc_tbase]); /* Wait for last character to go. */ @@ -235,12 +234,11 @@ serial_getc(void) { volatile cbd_t *rbdf; volatile scc_uart_t *up; - volatile immap_t *im; + volatile ccsr_cpm_t *cpm = (ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR; unsigned char c; - im = (immap_t *)CFG_IMMR; - up = (scc_uart_t *)&(im->im_cpm.im_dprambase[PROFF_SCC]); - rbdf = (cbd_t *)&(im->im_cpm.im_dprambase[up->scc_genscc.scc_rbase]); + up = (scc_uart_t *)&(cpm->im_dprambase[PROFF_SCC]); + rbdf = (cbd_t *)&(cpm->im_dprambase[up->scc_genscc.scc_rbase]); /* Wait for character to show up. */ @@ -260,11 +258,10 @@ serial_tstc() { volatile cbd_t *rbdf; volatile scc_uart_t *up; - volatile immap_t *im; + volatile ccsr_cpm_t *cpm = (ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR; - im = (immap_t *)CFG_IMMR; - up = (scc_uart_t *)&(im->im_cpm.im_dprambase[PROFF_SCC]); - rbdf = (cbd_t *)&(im->im_cpm.im_dprambase[up->scc_genscc.scc_rbase]); + up = (scc_uart_t *)&(cpm->im_dprambase[PROFF_SCC]); + rbdf = (cbd_t *)&(cpm->im_dprambase[up->scc_genscc.scc_rbase]); return ((rbdf->cbd_sc & BD_SC_EMPTY) == 0); } |