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Diffstat (limited to 'arch/blackfin/mach-bf537')
-rw-r--r--arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h37
1 files changed, 7 insertions, 30 deletions
diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h
index 9e34700844a..b86662fb9de 100644
--- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h
@@ -53,9 +53,9 @@
#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0)
#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0)
-#define UART_GET_CTS(x) gpio_get_value(x->cts_pin)
-#define UART_SET_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_CLEAR_RTS(x) gpio_set_value(x->rts_pin, 0)
+#define UART_GET_CTS(x) (!gpio_get_value(x->cts_pin))
+#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
+#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
@@ -87,6 +87,7 @@
struct bfin_serial_port {
struct uart_port port;
unsigned int old_status;
+ int status_irq;
unsigned int lsr;
#ifdef CONFIG_SERIAL_BFIN_DMA
int tx_done;
@@ -99,7 +100,6 @@ struct bfin_serial_port {
struct work_struct tx_dma_workqueue;
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- struct timer_list cts_timer;
int cts_pin;
int rts_pin;
#endif
@@ -125,6 +125,7 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
+ int uart_status_irq;
#ifdef CONFIG_SERIAL_BFIN_DMA
unsigned int uart_tx_dma_channel;
unsigned int uart_rx_dma_channel;
@@ -140,6 +141,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
{
0xFFC00400,
IRQ_UART0_RX,
+ IRQ_UART0_ERROR,
#ifdef CONFIG_SERIAL_BFIN_DMA
CH_UART0_TX,
CH_UART0_RX,
@@ -154,6 +156,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
{
0xFFC02000,
IRQ_UART1_RX,
+ IRQ_UART1_ERROR,
#ifdef CONFIG_SERIAL_BFIN_DMA
CH_UART1_TX,
CH_UART1_RX,
@@ -167,29 +170,3 @@ struct bfin_serial_res bfin_serial_resource[] = {
};
#define DRIVER_NAME "bfin-uart"
-
-static void bfin_serial_hw_init(struct bfin_serial_port *uart)
-{
-
-#ifdef CONFIG_SERIAL_BFIN_UART0
- peripheral_request(P_UART0_TX, DRIVER_NAME);
- peripheral_request(P_UART0_RX, DRIVER_NAME);
-#endif
-
-#ifdef CONFIG_SERIAL_BFIN_UART1
- peripheral_request(P_UART1_TX, DRIVER_NAME);
- peripheral_request(P_UART1_RX, DRIVER_NAME);
-#endif
-
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- if (uart->cts_pin >= 0) {
- gpio_request(uart->cts_pin, DRIVER_NAME);
- gpio_direction_input(uart->cts_pin);
- }
-
- if (uart->rts_pin >= 0) {
- gpio_request(uart->rts_pin, DRIVER_NAME);
- gpio_direction_output(uart->rts_pin, 0);
- }
-#endif
-}