diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/serial.h')
-rw-r--r-- | arch/arm/plat-omap/include/plat/serial.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h new file mode 100644 index 00000000000..de3b10c1812 --- /dev/null +++ b/arch/arm/plat-omap/include/plat/serial.h | |||
@@ -0,0 +1,120 @@ | |||
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 | /* | ||
19 | * Memory entry used for the DEBUG_LL UART configuration. See also | ||
20 | * uncompress.h and debug-macro.S. | ||
21 | * | ||
22 | * Note that using a memory location for storing the UART configuration | ||
23 | * has at least two limitations: | ||
24 | * | ||
25 | * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the | ||
26 | * uncompress code could then partially overwrite itself | ||
27 | * 2. We assume printascii is called at least once before paging_init, | ||
28 | * and addruart has a chance to read OMAP_UART_INFO | ||
29 | */ | ||
30 | #define OMAP_UART_INFO (PLAT_PHYS_OFFSET + 0x3ffc) | ||
31 | |||
32 | /* OMAP1 serial ports */ | ||
33 | #define OMAP1_UART1_BASE 0xfffb0000 | ||
34 | #define OMAP1_UART2_BASE 0xfffb0800 | ||
35 | #define OMAP1_UART3_BASE 0xfffb9800 | ||
36 | |||
37 | /* OMAP2 serial ports */ | ||
38 | #define OMAP2_UART1_BASE 0x4806a000 | ||
39 | #define OMAP2_UART2_BASE 0x4806c000 | ||
40 | #define OMAP2_UART3_BASE 0x4806e000 | ||
41 | |||
42 | /* OMAP3 serial ports */ | ||
43 | #define OMAP3_UART1_BASE OMAP2_UART1_BASE | ||
44 | #define OMAP3_UART2_BASE OMAP2_UART2_BASE | ||
45 | #define OMAP3_UART3_BASE 0x49020000 | ||
46 | #define OMAP3_UART4_BASE 0x49042000 /* Only on 36xx */ | ||
47 | |||
48 | /* OMAP4 serial ports */ | ||
49 | #define OMAP4_UART1_BASE OMAP2_UART1_BASE | ||
50 | #define OMAP4_UART2_BASE OMAP2_UART2_BASE | ||
51 | #define OMAP4_UART3_BASE 0x48020000 | ||
52 | #define OMAP4_UART4_BASE 0x4806e000 | ||
53 | |||
54 | /* TI816X serial ports */ | ||
55 | #define TI816X_UART1_BASE 0x48020000 | ||
56 | #define TI816X_UART2_BASE 0x48022000 | ||
57 | #define TI816X_UART3_BASE 0x48024000 | ||
58 | |||
59 | /* AM3505/3517 UART4 */ | ||
60 | #define AM35XX_UART4_BASE 0x4809E000 /* Only on AM3505/3517 */ | ||
61 | |||
62 | /* External port on Zoom2/3 */ | ||
63 | #define ZOOM_UART_BASE 0x10000000 | ||
64 | #define ZOOM_UART_VIRT 0xfa400000 | ||
65 | |||
66 | #define OMAP_PORT_SHIFT 2 | ||
67 | #define OMAP7XX_PORT_SHIFT 0 | ||
68 | #define ZOOM_PORT_SHIFT 1 | ||
69 | |||
70 | #define OMAP1510_BASE_BAUD (12000000/16) | ||
71 | #define OMAP16XX_BASE_BAUD (48000000/16) | ||
72 | #define OMAP24XX_BASE_BAUD (48000000/16) | ||
73 | |||
74 | /* | ||
75 | * DEBUG_LL port encoding stored into the UART1 scratchpad register by | ||
76 | * decomp_setup in uncompress.h | ||
77 | */ | ||
78 | #define OMAP1UART1 11 | ||
79 | #define OMAP1UART2 12 | ||
80 | #define OMAP1UART3 13 | ||
81 | #define OMAP2UART1 21 | ||
82 | #define OMAP2UART2 22 | ||
83 | #define OMAP2UART3 23 | ||
84 | #define OMAP3UART1 OMAP2UART1 | ||
85 | #define OMAP3UART2 OMAP2UART2 | ||
86 | #define OMAP3UART3 33 | ||
87 | #define OMAP3UART4 34 /* Only on 36xx */ | ||
88 | #define OMAP4UART1 OMAP2UART1 | ||
89 | #define OMAP4UART2 OMAP2UART2 | ||
90 | #define OMAP4UART3 43 | ||
91 | #define OMAP4UART4 44 | ||
92 | #define TI816XUART1 81 | ||
93 | #define TI816XUART2 82 | ||
94 | #define TI816XUART3 83 | ||
95 | #define ZOOM_UART 95 /* Only on zoom2/3 */ | ||
96 | |||
97 | /* This is only used by 8250.c for omap1510 */ | ||
98 | #define is_omap_port(pt) ({int __ret = 0; \ | ||
99 | if ((pt)->port.mapbase == OMAP1_UART1_BASE || \ | ||
100 | (pt)->port.mapbase == OMAP1_UART2_BASE || \ | ||
101 | (pt)->port.mapbase == OMAP1_UART3_BASE) \ | ||
102 | __ret = 1; \ | ||
103 | __ret; \ | ||
104 | }) | ||
105 | |||
106 | #ifndef __ASSEMBLER__ | ||
107 | |||
108 | struct omap_board_data; | ||
109 | |||
110 | extern void omap_serial_init(void); | ||
111 | extern void omap_serial_init_port(struct omap_board_data *bdata); | ||
112 | extern int omap_uart_can_sleep(void); | ||
113 | extern void omap_uart_check_wakeup(void); | ||
114 | extern void omap_uart_prepare_suspend(void); | ||
115 | extern void omap_uart_prepare_idle(int num); | ||
116 | extern void omap_uart_resume_idle(int num); | ||
117 | extern void omap_uart_enable_irqs(int enable); | ||
118 | #endif | ||
119 | |||
120 | #endif | ||