arch/arm/plat-omap/include/mach/serial.h

   1 /*
   2  * arch/arm/plat-omap/include/mach/serial.h
   3  *
   4  * Copyright (C) 2009 Texas Instruments
   5  * Addded OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com>
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10  * GNU General Public License for more details.
  11  */
  12
  13 #ifndef __ASM_ARCH_SERIAL_H
  14 #define __ASM_ARCH_SERIAL_H
  15
  16 #include <linux/init.h>
  17
  18 #if defined(CONFIG_ARCH_OMAP1)
  19 /* OMAP1 serial ports */
  20 #define OMAP_UART1_BASE         0xfffb0000
  21 #define OMAP_UART2_BASE         0xfffb0800
  22 #define OMAP_UART3_BASE         0xfffb9800
  23 #define OMAP_MAX_NR_PORTS       3
  24 #elif defined(CONFIG_ARCH_OMAP2)
  25 /* OMAP2 serial ports */
  26 #define OMAP_UART1_BASE         0x4806a000
  27 #define OMAP_UART2_BASE         0x4806c000
  28 #define OMAP_UART3_BASE         0x4806e000
  29 #define OMAP_MAX_NR_PORTS       3
  30 #elif defined(CONFIG_ARCH_OMAP3)
  31 /* OMAP3 serial ports */
  32 #define OMAP_UART1_BASE         0x4806a000
  33 #define OMAP_UART2_BASE         0x4806c000
  34 #define OMAP_UART3_BASE         0x49020000
  35 #define OMAP_MAX_NR_PORTS       3
  36 #elif defined(CONFIG_ARCH_OMAP4)
  37 /* OMAP4 serial ports */
  38 #define OMAP_UART1_BASE         0x4806a000
  39 #define OMAP_UART2_BASE         0x4806c000
  40 #define OMAP_UART3_BASE         0x48020000
  41 #define OMAP_UART4_BASE         0x4806e000
  42 #define OMAP_MAX_NR_PORTS       4
  43 #endif
  44
  45 #define OMAP1510_BASE_BAUD      (12000000/16)
  46 #define OMAP16XX_BASE_BAUD      (48000000/16)
  47 #define OMAP24XX_BASE_BAUD      (48000000/16)
  48
  49 #define is_omap_port(pt)        ({int __ret = 0;                        \
  50                         if ((pt)->port.mapbase == OMAP_UART1_BASE ||    \
  51                             (pt)->port.mapbase == OMAP_UART2_BASE ||    \
  52                             (pt)->port.mapbase == OMAP_UART3_BASE)      \
  53                                 __ret = 1;                              \
  54                         __ret;                                          \
  55                         })
  56
  57 #ifndef __ASSEMBLER__
  58 extern void __init omap_serial_early_init(void);
  59 extern void omap_serial_init(void);
  60 extern int omap_uart_can_sleep(void);
  61 extern void omap_uart_check_wakeup(void);
  62 extern void omap_uart_prepare_suspend(void);
  63 extern void omap_uart_prepare_idle(int num);
  64 extern void omap_uart_resume_idle(int num);
  65 extern void omap_uart_enable_irqs(int enable);
  66 #endif
  67
  68 #endif