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path: root/drivers/serial/cpm_uart/cpm_uart_cpm1.c
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Diffstat (limited to 'drivers/serial/cpm_uart/cpm_uart_cpm1.c')
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm1.c54
1 files changed, 4 insertions, 50 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index d789ee55cbb..a5a30622637 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -81,58 +81,11 @@ 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) {
- 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 = 1;
}
void smc2_lineif(struct uart_cpm_port *pinfo)
{
- 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;
}
@@ -191,7 +144,7 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
/* 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;
+ dma_addr = (u32)mem_addr;
} else
mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr,
GFP_KERNEL);
@@ -204,8 +157,9 @@ 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