diff options
author | Tony Lindgren <tony@atomide.com> | 2012-10-15 15:50:46 -0400 |
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committer | Tony Lindgren <tony@atomide.com> | 2012-10-24 16:34:31 -0400 |
commit | 3d82cbbb3aadb4f8a30e3f614e51be96574a0855 (patch) | |
tree | 6f510bda0fb3c08d959100928ca2fb783c61739a /arch/arm/mach-omap2/serial.h | |
parent | ede8df1eaa19f96ee8520077885856eb63acb44b (diff) |
ARM: OMAP: Split plat/serial.h for omap1 and omap2+
For omap1, we'll keep mach/serial.h around for 8250.c hardware
workarounds. For omap2+, we no longer need mach/serial.h and
can make it local to mach-omap2.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/serial.h')
-rw-r--r-- | arch/arm/mach-omap2/serial.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/serial.h b/arch/arm/mach-omap2/serial.h new file mode 100644 index 000000000000..6a6806271fcf --- /dev/null +++ b/arch/arm/mach-omap2/serial.h | |||
@@ -0,0 +1,112 @@ | |||
1 | /* | ||
2 | * arch/arm/plat-omap/include/mach/serial.h | ||
3 | * | ||
4 | * Copyright (C) 2009 Texas Instruments | ||
5 | * Added 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, relative to | ||
20 | * start of RAM. See also 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_OFS 0x3ffc | ||
31 | |||
32 | /* OMAP2 serial ports */ | ||
33 | #define OMAP2_UART1_BASE 0x4806a000 | ||
34 | #define OMAP2_UART2_BASE 0x4806c000 | ||
35 | #define OMAP2_UART3_BASE 0x4806e000 | ||
36 | |||
37 | /* OMAP3 serial ports */ | ||
38 | #define OMAP3_UART1_BASE OMAP2_UART1_BASE | ||
39 | #define OMAP3_UART2_BASE OMAP2_UART2_BASE | ||
40 | #define OMAP3_UART3_BASE 0x49020000 | ||
41 | #define OMAP3_UART4_BASE 0x49042000 /* Only on 36xx */ | ||
42 | #define OMAP3_UART4_AM35XX_BASE 0x4809E000 /* Only on AM35xx */ | ||
43 | |||
44 | /* OMAP4 serial ports */ | ||
45 | #define OMAP4_UART1_BASE OMAP2_UART1_BASE | ||
46 | #define OMAP4_UART2_BASE OMAP2_UART2_BASE | ||
47 | #define OMAP4_UART3_BASE 0x48020000 | ||
48 | #define OMAP4_UART4_BASE 0x4806e000 | ||
49 | |||
50 | /* TI81XX serial ports */ | ||
51 | #define TI81XX_UART1_BASE 0x48020000 | ||
52 | #define TI81XX_UART2_BASE 0x48022000 | ||
53 | #define TI81XX_UART3_BASE 0x48024000 | ||
54 | |||
55 | /* AM3505/3517 UART4 */ | ||
56 | #define AM35XX_UART4_BASE 0x4809E000 /* Only on AM3505/3517 */ | ||
57 | |||
58 | /* AM33XX serial port */ | ||
59 | #define AM33XX_UART1_BASE 0x44E09000 | ||
60 | |||
61 | /* OMAP5 serial ports */ | ||
62 | #define OMAP5_UART1_BASE OMAP2_UART1_BASE | ||
63 | #define OMAP5_UART2_BASE OMAP2_UART2_BASE | ||
64 | #define OMAP5_UART3_BASE OMAP4_UART3_BASE | ||
65 | #define OMAP5_UART4_BASE OMAP4_UART4_BASE | ||
66 | #define OMAP5_UART5_BASE 0x48066000 | ||
67 | #define OMAP5_UART6_BASE 0x48068000 | ||
68 | |||
69 | /* External port on Zoom2/3 */ | ||
70 | #define ZOOM_UART_BASE 0x10000000 | ||
71 | #define ZOOM_UART_VIRT 0xfa400000 | ||
72 | |||
73 | #define OMAP_PORT_SHIFT 2 | ||
74 | #define ZOOM_PORT_SHIFT 1 | ||
75 | |||
76 | #define OMAP24XX_BASE_BAUD (48000000/16) | ||
77 | |||
78 | /* | ||
79 | * DEBUG_LL port encoding stored into the UART1 scratchpad register by | ||
80 | * decomp_setup in uncompress.h | ||
81 | */ | ||
82 | #define OMAP2UART1 21 | ||
83 | #define OMAP2UART2 22 | ||
84 | #define OMAP2UART3 23 | ||
85 | #define OMAP3UART1 OMAP2UART1 | ||
86 | #define OMAP3UART2 OMAP2UART2 | ||
87 | #define OMAP3UART3 33 | ||
88 | #define OMAP3UART4 34 /* Only on 36xx */ | ||
89 | #define OMAP4UART1 OMAP2UART1 | ||
90 | #define OMAP4UART2 OMAP2UART2 | ||
91 | #define OMAP4UART3 43 | ||
92 | #define OMAP4UART4 44 | ||
93 | #define TI81XXUART1 81 | ||
94 | #define TI81XXUART2 82 | ||
95 | #define TI81XXUART3 83 | ||
96 | #define AM33XXUART1 84 | ||
97 | #define OMAP5UART3 OMAP4UART3 | ||
98 | #define OMAP5UART4 OMAP4UART4 | ||
99 | #define ZOOM_UART 95 /* Only on zoom2/3 */ | ||
100 | |||
101 | #ifndef __ASSEMBLER__ | ||
102 | |||
103 | struct omap_board_data; | ||
104 | struct omap_uart_port_info; | ||
105 | |||
106 | extern void omap_serial_init(void); | ||
107 | extern void omap_serial_board_init(struct omap_uart_port_info *platform_data); | ||
108 | extern void omap_serial_init_port(struct omap_board_data *bdata, | ||
109 | struct omap_uart_port_info *platform_data); | ||
110 | #endif | ||
111 | |||
112 | #endif | ||