diff options
Diffstat (limited to 'drivers/serial/cpm_uart/cpm_uart_cpm1.c')
| -rw-r--r-- | drivers/serial/cpm_uart/cpm_uart_cpm1.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c index de26cf7b003c..4b0786e7eb7f 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c @@ -5,7 +5,7 @@ * * Maintainer: Kumar Gala (kumar.gala@freescale.com) (CPM2) * Pantelis Antoniou (panto@intracom.gr) (CPM1) - * + * * Copyright (C) 2004 Freescale Semiconductor, Inc. * (C) 2004 Intracom, S.A. * @@ -82,6 +82,17 @@ void cpm_line_cr_cmd(int line, int cmd) void smc1_lineif(struct uart_cpm_port *pinfo) { volatile cpm8xx_t *cp = cpmp; + + (void)cp; /* fix warning */ +#if defined (CONFIG_MPC885ADS) + /* Enable SMC1 transceivers */ + { + cp->cp_pepar |= 0x000000c0; + cp->cp_pedir &= ~0x000000c0; + cp->cp_peso &= ~0x00000040; + cp->cp_peso |= 0x00000080; + } +#elif defined (CONFIG_MPC86XADS) unsigned int iobits = 0x000000c0; if (!pinfo->is_portb) { @@ -93,13 +104,35 @@ void smc1_lineif(struct uart_cpm_port *pinfo) ((immap_t *)IMAP_ADDR)->im_ioport.iop_padir &= ~iobits; ((immap_t *)IMAP_ADDR)->im_ioport.iop_paodr &= ~iobits; } - +#endif pinfo->brg = 1; } void smc2_lineif(struct uart_cpm_port *pinfo) { - /* XXX SMC2: insert port configuration here */ + volatile cpm8xx_t *cp = cpmp; + + (void)cp; /* fix warning */ +#if defined (CONFIG_MPC885ADS) + cp->cp_pepar |= 0x00000c00; + cp->cp_pedir &= ~0x00000c00; + cp->cp_peso &= ~0x00000400; + cp->cp_peso |= 0x00000800; +#elif defined (CONFIG_MPC86XADS) + unsigned int iobits = 0x00000c00; + + if (!pinfo->is_portb) { + cp->cp_pbpar |= iobits; + cp->cp_pbdir &= ~iobits; + cp->cp_pbodr &= ~iobits; + } else { + ((immap_t *)IMAP_ADDR)->im_ioport.iop_papar |= iobits; + ((immap_t *)IMAP_ADDR)->im_ioport.iop_padir &= ~iobits; + ((immap_t *)IMAP_ADDR)->im_ioport.iop_paodr &= ~iobits; + } + +#endif + pinfo->brg = 2; } @@ -128,7 +161,7 @@ void scc4_lineif(struct uart_cpm_port *pinfo) } /* - * Allocate DP-Ram and memory buffers. We need to allocate a transmit and + * Allocate DP-Ram and memory buffers. We need to allocate a transmit and * receive buffer descriptors from dual port ram, and a character * buffer area from host mem. If we are allocating for the console we need * to do it from bootmem @@ -155,7 +188,9 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con) memsz = L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize) + L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize); if (is_con) { - mem_addr = (u8 *) m8xx_cpm_hostalloc(memsz); + /* was hostalloc but changed cause it blows away the */ + /* large tlb mapping when pinning the kernel area */ + mem_addr = (u8 *) cpm_dpram_addr(cpm_dpalloc(memsz, 8)); dma_addr = 0; } else mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr, |