diff options
Diffstat (limited to 'arch/mips/au1000/common/dbg_io.c')
-rw-r--r-- | arch/mips/au1000/common/dbg_io.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/arch/mips/au1000/common/dbg_io.c b/arch/mips/au1000/common/dbg_io.c index eae1bb2ca26e..af5be7df2f2a 100644 --- a/arch/mips/au1000/common/dbg_io.c +++ b/arch/mips/au1000/common/dbg_io.c | |||
@@ -1,3 +1,4 @@ | |||
1 | #include <linux/types.h> | ||
1 | 2 | ||
2 | #include <asm/mach-au1x00/au1000.h> | 3 | #include <asm/mach-au1x00/au1000.h> |
3 | 4 | ||
@@ -8,12 +9,6 @@ | |||
8 | * uart to be used for debugging. | 9 | * uart to be used for debugging. |
9 | */ | 10 | */ |
10 | #define DEBUG_BASE UART_DEBUG_BASE | 11 | #define DEBUG_BASE UART_DEBUG_BASE |
11 | /**/ | ||
12 | |||
13 | /* we need uint32 uint8 */ | ||
14 | /* #include "types.h" */ | ||
15 | typedef unsigned char uint8; | ||
16 | typedef unsigned int uint32; | ||
17 | 12 | ||
18 | #define UART16550_BAUD_2400 2400 | 13 | #define UART16550_BAUD_2400 2400 |
19 | #define UART16550_BAUD_4800 4800 | 14 | #define UART16550_BAUD_4800 4800 |
@@ -51,17 +46,15 @@ typedef unsigned int uint32; | |||
51 | #define UART_MOD_CNTRL 0x100 /* Module Control */ | 46 | #define UART_MOD_CNTRL 0x100 /* Module Control */ |
52 | 47 | ||
53 | /* memory-mapped read/write of the port */ | 48 | /* memory-mapped read/write of the port */ |
54 | #define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff) | 49 | #define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff) |
55 | #define UART16550_WRITE(y, z) (au_writel(z&0xff, DEBUG_BASE + y)) | 50 | #define UART16550_WRITE(y, z) (au_writel(z & 0xff, DEBUG_BASE + y)) |
56 | 51 | ||
57 | extern unsigned long calc_clock(void); | 52 | extern unsigned long calc_clock(void); |
58 | 53 | ||
59 | void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) | 54 | void debugInit(u32 baud, u8 data, u8 parity, u8 stop) |
60 | { | 55 | { |
61 | 56 | if (UART16550_READ(UART_MOD_CNTRL) != 0x3) | |
62 | if (UART16550_READ(UART_MOD_CNTRL) != 0x3) { | ||
63 | UART16550_WRITE(UART_MOD_CNTRL, 3); | 57 | UART16550_WRITE(UART_MOD_CNTRL, 3); |
64 | } | ||
65 | calc_clock(); | 58 | calc_clock(); |
66 | 59 | ||
67 | /* disable interrupts */ | 60 | /* disable interrupts */ |
@@ -69,7 +62,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) | |||
69 | 62 | ||
70 | /* set up baud rate */ | 63 | /* set up baud rate */ |
71 | { | 64 | { |
72 | uint32 divisor; | 65 | u32 divisor; |
73 | 66 | ||
74 | /* set divisor */ | 67 | /* set divisor */ |
75 | divisor = get_au1x00_uart_baud_base() / baud; | 68 | divisor = get_au1x00_uart_baud_base() / baud; |
@@ -80,9 +73,9 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) | |||
80 | UART16550_WRITE(UART_LCR, (data | parity | stop)); | 73 | UART16550_WRITE(UART_LCR, (data | parity | stop)); |
81 | } | 74 | } |
82 | 75 | ||
83 | static int remoteDebugInitialized = 0; | 76 | static int remoteDebugInitialized; |
84 | 77 | ||
85 | uint8 getDebugChar(void) | 78 | u8 getDebugChar(void) |
86 | { | 79 | { |
87 | if (!remoteDebugInitialized) { | 80 | if (!remoteDebugInitialized) { |
88 | remoteDebugInitialized = 1; | 81 | remoteDebugInitialized = 1; |
@@ -92,15 +85,13 @@ uint8 getDebugChar(void) | |||
92 | UART16550_STOP_1BIT); | 85 | UART16550_STOP_1BIT); |
93 | } | 86 | } |
94 | 87 | ||
95 | while((UART16550_READ(UART_LSR) & 0x1) == 0); | 88 | while ((UART16550_READ(UART_LSR) & 0x1) == 0); |
96 | return UART16550_READ(UART_RX); | 89 | return UART16550_READ(UART_RX); |
97 | } | 90 | } |
98 | 91 | ||
99 | 92 | ||
100 | int putDebugChar(uint8 byte) | 93 | int putDebugChar(u8 byte) |
101 | { | 94 | { |
102 | // int i; | ||
103 | |||
104 | if (!remoteDebugInitialized) { | 95 | if (!remoteDebugInitialized) { |
105 | remoteDebugInitialized = 1; | 96 | remoteDebugInitialized = 1; |
106 | debugInit(UART16550_BAUD_115200, | 97 | debugInit(UART16550_BAUD_115200, |
@@ -109,9 +100,8 @@ int putDebugChar(uint8 byte) | |||
109 | UART16550_STOP_1BIT); | 100 | UART16550_STOP_1BIT); |
110 | } | 101 | } |
111 | 102 | ||
112 | while ((UART16550_READ(UART_LSR)&0x40) == 0); | 103 | while ((UART16550_READ(UART_LSR) & 0x40) == 0); |
113 | UART16550_WRITE(UART_TX, byte); | 104 | UART16550_WRITE(UART_TX, byte); |
114 | //for (i=0;i<0xfff;i++); | ||
115 | 105 | ||
116 | return 1; | 106 | return 1; |
117 | } | 107 | } |