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Diffstat (limited to 'drivers/serial/cpm_uart/cpm_uart.h')
-rw-r--r--drivers/serial/cpm_uart/cpm_uart.h49
1 files changed, 42 insertions, 7 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
index 73c8a088c16..aa5eb7ddeda 100644
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ b/drivers/serial/cpm_uart/cpm_uart.h
@@ -10,6 +10,8 @@
#define CPM_UART_H
#include <linux/config.h>
+#include <linux/platform_device.h>
+#include <linux/fs_uart_pd.h>
#if defined(CONFIG_CPM2)
#include "cpm_uart_cpm2.h"
@@ -26,14 +28,14 @@
#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 +66,7 @@ struct uart_cpm_port {
uint dp_addr;
void *mem_addr;
dma_addr_t dma_addr;
+ u32 mem_size;
/* helpers */
int baud;
int bits;
@@ -90,4 +93,36 @@ 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 ((val >= (u32)pinfo->mem_addr) &&
+ (val<((u32)pinfo->mem_addr + pinfo->mem_size))) {
+ offset = val - (u32)pinfo->mem_addr;
+ return pinfo->dma_addr+offset;
+ }
+ printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+ return 0;
+}
+
+static inline void *cpm2cpu_addr(unsigned long addr, struct uart_cpm_port *pinfo)
+{
+ int offset;
+ u32 val = addr;
+ /* sane check */
+ if ((val >= pinfo->dma_addr) &&
+ (val<(pinfo->dma_addr + pinfo->mem_size))) {
+ offset = val - (u32)pinfo->dma_addr;
+ return (void*)(pinfo->mem_addr+offset);
+ }
+ printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+ return 0;
+}
+
+
#endif /* CPM_UART_H */