Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / serial / cpm_uart / cpm_uart_cpm1.c

diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index de26cf7..17406a0 100644 (file)
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -3,11 +3,13 @@
  *
  *  Driver for CPM (SCC/SMC) serial ports; CPM1 definitions
  *
- *  Maintainer: Kumar Gala (kumar.gala@freescale.com) (CPM2)
+ *  Maintainer: Kumar Gala (galak@kernel.crashing.org) (CPM2)
  *              Pantelis Antoniou (panto@intracom.gr) (CPM1)
- * 
+ *
  *  Copyright (C) 2004 Freescale Semiconductor, Inc.
  *            (C) 2004 Intracom, S.A.
+ *            (C) 2006 MontaVista Software, Inc.
+ *             Vitaly Bordug <vbordug@ru.mvista.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -81,25 +83,11 @@ void cpm_line_cr_cmd(int line, int cmd)
 
 void smc1_lineif(struct uart_cpm_port *pinfo)
 {
-       volatile cpm8xx_t *cp = cpmp;
-       unsigned int iobits = 0x000000c0;
-
-       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;
-       }
-
        pinfo->brg = 1;
 }
 
 void smc2_lineif(struct uart_cpm_port *pinfo)
 {
-       /* XXX SMC2: insert port configuration here */
        pinfo->brg = 2;
 }
 
@@ -128,7 +116,7 @@ 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
@@ -155,8 +143,10 @@ 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);
-               dma_addr = 0;
+               /* 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 = (u32)mem_addr;
        } else
                mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr,
                                              GFP_KERNEL);
@@ -169,8 +159,9 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
        }
 
        pinfo->dp_addr = dp_offset;
-       pinfo->mem_addr = mem_addr;
-       pinfo->dma_addr = dma_addr;
+       pinfo->mem_addr = mem_addr;             /*  virtual address*/
+       pinfo->dma_addr = dma_addr;             /*  physical address*/
+       pinfo->mem_size = memsz;
 
        pinfo->rx_buf = mem_addr;
        pinfo->tx_buf = pinfo->rx_buf + L1_CACHE_ALIGN(pinfo->rx_nrfifos