arch/arm/plat-omap/include/plat/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 /* OMAP1 serial ports */
  19 #define OMAP1_UART1_BASE        0xfffb0000
  20 #define OMAP1_UART2_BASE        0xfffb0800
  21 #define OMAP1_UART3_BASE        0xfffb9800
  22
  23 /* OMAP2 serial ports */
  24 #define OMAP2_UART1_BASE        0x4806a000
  25 #define OMAP2_UART2_BASE        0x4806c000
  26 #define OMAP2_UART3_BASE        0x4806e000
  27
  28 /* OMAP3 serial ports */
  29 #define OMAP3_UART1_BASE        OMAP2_UART1_BASE
  30 #define OMAP3_UART2_BASE        OMAP2_UART2_BASE
  31 #define OMAP3_UART3_BASE        0x49020000
  32 #define OMAP3_UART4_BASE        0x49042000      /* Only on 36xx */
  33
  34 /* OMAP4 serial ports */
  35 #define OMAP4_UART1_BASE        OMAP2_UART1_BASE
  36 #define OMAP4_UART2_BASE        OMAP2_UART2_BASE
  37 #define OMAP4_UART3_BASE        0x48020000
  38 #define OMAP4_UART4_BASE        0x4806e000
  39
  40 /* External port on Zoom2/3 */
  41 #define ZOOM_UART_BASE          0x10000000
  42 #define ZOOM_UART_VIRT          0xfb000000
  43
  44 #define OMAP_PORT_SHIFT         2
  45 #define OMAP7XX_PORT_SHIFT      0
  46 #define ZOOM_PORT_SHIFT         1
  47
  48 #define OMAP1510_BASE_BAUD      (12000000/16)
  49 #define OMAP16XX_BASE_BAUD      (48000000/16)
  50 #define OMAP24XX_BASE_BAUD      (48000000/16)
  51
  52 /*
  53  * DEBUG_LL port encoding stored into the UART1 scratchpad register by
  54  * decomp_setup in uncompress.h
  55  */
  56 #define OMAP1UART1              11
  57 #define OMAP1UART2              12
  58 #define OMAP1UART3              13
  59 #define OMAP2UART1              21
  60 #define OMAP2UART2              22
  61 #define OMAP2UART3              23
  62 #define OMAP3UART1              OMAP2UART1
  63 #define OMAP3UART2              OMAP2UART2
  64 #define OMAP3UART3              33
  65 #define OMAP3UART4              34              /* Only on 36xx */
  66 #define OMAP4UART1              OMAP2UART1
  67 #define OMAP4UART2              OMAP2UART2
  68 #define OMAP4UART3              43
  69 #define OMAP4UART4              44
  70 #define ZOOM_UART               95              /* Only on zoom2/3 */
  71
  72 /* This is only used by 8250.c for omap1510 */
  73 #define is_omap_port(pt)        ({int __ret = 0;                        \
  74                         if ((pt)->port.mapbase == OMAP1_UART1_BASE ||   \
  75                             (pt)->port.mapbase == OMAP1_UART2_BASE ||   \
  76                             (pt)->port.mapbase == OMAP1_UART3_BASE)     \
  77                                 __ret = 1;                              \
  78                         __ret;                                          \
  79                         })
  80
  81 #ifndef __ASSEMBLER__
  82 extern void __init omap_serial_early_init(void);
  83 extern void omap_serial_init(void);
  84 extern void omap_serial_init_port(int port);
  85 extern int omap_uart_can_sleep(void);
  86 extern void omap_uart_check_wakeup(void);
  87 extern void omap_uart_prepare_suspend(void);
  88 extern void omap_uart_prepare_idle(int num);
  89 extern void omap_uart_resume_idle(int num);
  90 extern void omap_uart_enable_irqs(int enable);
  91 #endif
  92
  93 #endif