+/*
+ 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;
+}
+
+