serial: msm: Add support for UARTDM cores

Add support for the next-generation version of the MSM UART
to the msm_serial driver. This version of the hardware is
similar to the original version, but has some DMA
capabilities that are used in PIO mode in this driver.

Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

1 files changed, 22 insertions, 6 deletions

diff --git a/drivers/serial/msm_serial.h b/drivers/serial/msm_serial.h
index f6ca9ca79e98..9b8dc5d0d855 100644
--- a/drivers/serial/msm_serial.h
+++ b/drivers/serial/msm_serial.h
@@ -3,6 +3,7 @@
  *
  * Copyright (C) 2007 Google, Inc.
  * Author: Robert Love <rlove@google.com>
+ * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -54,6 +55,7 @@
 #define UART_CSR_300    0x22
 
 #define UART_TF         0x000C
+#define UARTDM_TF       0x0070
 
 #define UART_CR                         0x0010
 #define UART_CR_CMD_NULL                (0 << 4)
@@ -64,14 +66,17 @@
 #define UART_CR_CMD_START_BREAK         (5 << 4)
 #define UART_CR_CMD_STOP_BREAK          (6 << 4)
 #define UART_CR_CMD_RESET_CTS           (7 << 4)
+#define UART_CR_CMD_RESET_STALE_INT     (8 << 4)
 #define UART_CR_CMD_PACKET_MODE         (9 << 4)
 #define UART_CR_CMD_MODE_RESET          (12 << 4)
 #define UART_CR_CMD_SET_RFR             (13 << 4)
 #define UART_CR_CMD_RESET_RFR           (14 << 4)
+#define UART_CR_CMD_PROTECTION_EN       (16 << 4)
+#define UART_CR_CMD_STALE_EVENT_ENABLE  (80 << 4)
 #define UART_CR_TX_DISABLE              (1 << 3)
-#define UART_CR_TX_ENABLE               (1 << 3)
-#define UART_CR_RX_DISABLE              (1 << 3)
-#define UART_CR_RX_ENABLE               (1 << 3)
+#define UART_CR_TX_ENABLE               (1 << 2)
+#define UART_CR_RX_DISABLE              (1 << 1)
+#define UART_CR_RX_ENABLE               (1 << 0)
 
 #define UART_IMR                0x0014
 #define UART_IMR_TXLEV          (1 << 0)
@@ -110,9 +115,20 @@
 #define UART_SR_RX_FULL         (1 << 1)
 #define UART_SR_RX_READY        (1 << 0)
 
-#define UART_RF         0x000C
-#define UART_MISR       0x0010
-#define UART_ISR        0x0014
+#define UART_RF                 0x000C
+#define UARTDM_RF               0x0070
+#define UART_MISR               0x0010
+#define UART_ISR                0x0014
+#define UART_ISR_TX_READY       (1 << 7)
+
+#define GSBI_CONTROL            0x0
+#define GSBI_PROTOCOL_CODE      0x30
+#define GSBI_PROTOCOL_UART      0x40
+#define GSBI_PROTOCOL_IDLE      0x0
+
+#define UARTDM_DMRX             0x34
+#define UARTDM_NCF_TX           0x40
+#define UARTDM_RX_TOTAL_SNAP    0x38
 
 #define UART_TO_MSM(uart_port)  ((struct msm_port *) uart_port)