static void cpm_uart_init_smc(struct uart_cpm_port *pinfo) { smc_t __iomem *sp; smc_uart_t __iomem *up; pr_debug("CPM uart[%d]:init_smc\n", pinfo->port.line); sp = pinfo->smcp; up = pinfo->smcup; /* Store address */ out_be16(&pinfo->smcup->smc_rbase, (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE); out_be16(&pinfo->smcup->smc_tbase, (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE); /* * In case SMC1 is being relocated... */ #if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH) out_be16(&up->smc_rbptr, in_be16(&pinfo->smcup->smc_rbase)); out_be16(&up->smc_tbptr, in_be16(&pinfo->smcup->smc_tbase)); out_be32(&up->smc_rstate, 0); out_be32(&up->smc_tstate, 0); out_be16(&up->smc_brkcr, 1); /* number of break chars */ out_be16(&up->smc_brkec, 0); #endif /* Set up the uart parameters in the * parameter ram. */ cpm_set_smc_fcr(up); /* Using idle charater time requires some additional tuning. */ out_be16(&up->smc_mrblr, pinfo->rx_fifosize); out_be16(&up->smc_maxidl, pinfo->rx_fifosize); out_be16(&up->smc_brklen, 0); out_be16(&up->smc_brkec, 0); out_be16(&up->smc_brkcr, 1); cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX); /* Set UART mode, 8 bit, no parity, one stop. * Enable receive and transmit. */ out_be16(&sp->smc_smcmr, smcr_mk_clen(9) | SMCMR_SM_UART); /* Enable only rx interrupts clear all pending events. */ out_8(&sp->smc_smcm, 0); out_8(&sp->smc_smce, 0xff); setbits16(&sp->smc_smcmr, SMCMR_REN | SMCMR_TEN); }
static void cpm_uart_init_smc(struct uart_cpm_port *pinfo) { int line = pinfo - cpm_uart_ports; volatile smc_t *sp; volatile smc_uart_t *up; pr_debug("CPM uart[%d]:init_smc\n", pinfo->port.line); sp = pinfo->smcp; up = pinfo->smcup; /* Store address */ pinfo->smcup->smc_rbase = (u_char *)pinfo->rx_bd_base - DPRAM_BASE; pinfo->smcup->smc_tbase = (u_char *)pinfo->tx_bd_base - DPRAM_BASE; /* * In case SMC1 is being relocated... */ #if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH) up->smc_rbptr = pinfo->smcup->smc_rbase; up->smc_tbptr = pinfo->smcup->smc_tbase; up->smc_rstate = 0; up->smc_tstate = 0; up->smc_brkcr = 1; /* number of break chars */ up->smc_brkec = 0; #endif /* Set up the uart parameters in the * parameter ram. */ cpm_set_smc_fcr(up); /* Using idle charater time requires some additional tuning. */ up->smc_mrblr = pinfo->rx_fifosize; up->smc_maxidl = pinfo->rx_fifosize; up->smc_brklen = 0; up->smc_brkec = 0; up->smc_brkcr = 1; cpm_line_cr_cmd(line, CPM_CR_INIT_TRX); /* Set UART mode, 8 bit, no parity, one stop. * Enable receive and transmit. */ sp->smc_smcmr = smcr_mk_clen(9) | SMCMR_SM_UART; /* Enable only rx interrupts clear all pending events. */ sp->smc_smcm = 0; sp->smc_smce = 0xff; sp->smc_smcmr |= (SMCMR_REN | SMCMR_TEN); }