X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fserial%2Fcpm_uart%2Fcpm_uart.h;h=69715e55650612ebca86fd7d8b069e6ad4eb03a9;hb=refs%2Fheads%2Fvserver;hp=73c8a088c160fcda57b98bbc6574cb8f673dadb5;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h index 73c8a088c..69715e556 100644 --- a/drivers/serial/cpm_uart/cpm_uart.h +++ b/drivers/serial/cpm_uart/cpm_uart.h @@ -5,11 +5,19 @@ * * Copyright (C) 2004 Freescale Semiconductor, Inc. * + * 2006 (c) MontaVista Software, Inc. + * Vitaly Bordug + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + * */ #ifndef CPM_UART_H #define CPM_UART_H -#include +#include +#include #if defined(CONFIG_CPM2) #include "cpm_uart_cpm2.h" @@ -26,14 +34,14 @@ #define FLAG_SMC 0x00000002 #define FLAG_CONSOLE 0x00000001 -#define UART_SMC1 0 -#define UART_SMC2 1 -#define UART_SCC1 2 -#define UART_SCC2 3 -#define UART_SCC3 4 -#define UART_SCC4 5 +#define UART_SMC1 fsid_smc1_uart +#define UART_SMC2 fsid_smc2_uart +#define UART_SCC1 fsid_scc1_uart +#define UART_SCC2 fsid_scc2_uart +#define UART_SCC3 fsid_scc3_uart +#define UART_SCC4 fsid_scc4_uart -#define UART_NR 6 +#define UART_NR fs_uart_nr #define RX_NUM_FIFO 4 #define RX_BUF_SIZE 32 @@ -64,6 +72,7 @@ struct uart_cpm_port { uint dp_addr; void *mem_addr; dma_addr_t dma_addr; + u32 mem_size; /* helpers */ int baud; int bits; @@ -79,7 +88,7 @@ extern struct uart_cpm_port cpm_uart_ports[UART_NR]; /* these are located in their respective files */ void cpm_line_cr_cmd(int line, int cmd); -int cpm_uart_init_portdesc(void); +int __init cpm_uart_init_portdesc(void); int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con); void cpm_uart_freebuf(struct uart_cpm_port *pinfo); @@ -90,4 +99,38 @@ void scc2_lineif(struct uart_cpm_port *pinfo); void scc3_lineif(struct uart_cpm_port *pinfo); void scc4_lineif(struct uart_cpm_port *pinfo); +/* + virtual to phys transtalion +*/ +static inline unsigned long cpu2cpm_addr(void* addr, struct uart_cpm_port *pinfo) +{ + int offset; + u32 val = (u32)addr; + /* sane check */ + if (likely((val >= (u32)pinfo->mem_addr)) && + (val<((u32)pinfo->mem_addr + pinfo->mem_size))) { + offset = val - (u32)pinfo->mem_addr; + return pinfo->dma_addr+offset; + } + /* something nasty happened */ + BUG(); + return 0; +} + +static inline void *cpm2cpu_addr(unsigned long addr, struct uart_cpm_port *pinfo) +{ + int offset; + u32 val = addr; + /* sane check */ + if (likely((val >= pinfo->dma_addr) && + (val<(pinfo->dma_addr + pinfo->mem_size)))) { + offset = val - (u32)pinfo->dma_addr; + return (void*)(pinfo->mem_addr+offset); + } + /* something nasty happened */ + BUG(); + return 0; +} + + #endif /* CPM_UART_H */