unified MX27, MX25, MX37 trees
[karo-tx-redboot.git] / packages / hal / arm / mx27 / karo / v1_0 / include / karo_tx27.h
1 #ifndef CYGONCE_KARO_TX27_H
2 #define CYGONCE_KARO_TX27_H
3
4 //=============================================================================
5 //
6 //      Platform specific support (register layout, etc)
7 //
8 //=============================================================================
9 //####ECOSGPLCOPYRIGHTBEGIN####
10 // -------------------------------------------
11 // This file is part of eCos, the Embedded Configurable Operating System.
12 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 //
14 // eCos is free software; you can redistribute it and/or modify it under
15 // the terms of the GNU General Public License as published by the Free
16 // Software Foundation; either version 2 or (at your option) any later version.
17 //
18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
20 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
21 // for more details.
22 //
23 // You should have received a copy of the GNU General Public License along
24 // with eCos; if not, write to the Free Software Foundation, Inc.,
25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 //
27 // As a special exception, if other files instantiate templates or use macros
28 // or inline functions from this file, or you compile this file and link it
29 // with other works to produce a work based on this file, this file does not
30 // by itself cause the resulting work to be covered by the GNU General Public
31 // License. However the source code for this file must still be made available
32 // in accordance with section (3) of the GNU General Public License.
33 //
34 // This exception does not invalidate any other reasons why a work based on
35 // this file might be covered by the GNU General Public License.
36 //
37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
38 // at http://sources.redhat.com/ecos/ecos-license/
39 // -------------------------------------------
40 //####ECOSGPLCOPYRIGHTEND####
41 //===========================================================================
42
43 #include <cyg/hal/hal_soc.h>    // Hardware definitions
44
45 #include CYGHWR_MEMORY_LAYOUT_H
46
47 #define SZ_1K                   0x00000400
48 #define SZ_2K                   0x00000800
49 #define SZ_4K                   0x00001000
50 #define SZ_8K                   0x00002000
51 #define SZ_16K                  0x00004000
52 #define SZ_32K                  0x00008000
53 #define SZ_64K                  0x00010000
54 #define SZ_128K                 0x00020000
55 #define SZ_256K                 0x00040000
56 #define SZ_512K                 0x00080000
57 #define SZ_1M                   0x00100000
58 #define SZ_2M                   0x00200000
59 #define SZ_4M                   0x00400000
60 #define SZ_8M                   0x00800000
61 #define SZ_16M                  0x01000000
62 #define SZ_32M                  0x02000000
63 #define SZ_64M                  0x04000000
64 #define SZ_128M                 0x08000000
65 #define SZ_256M                 0x10000000
66 #define SZ_512M                 0x20000000
67 #define SZ_1G                   0x40000000
68
69 #define RAM_BANK0_BASE          SOC_CSD0_BASE
70 #define TX27_SDRAM_SIZE         SDRAM_SIZE
71
72 #define TX27_LED_MASK           (1 << 13)
73 #define TX27_LED_REG_ADDR       (SOC_GPIOF_BASE + GPIO_DR)
74
75 #define LED_MAX_NUM             1
76
77 #define LED_IS_ON(n) ({                                                                 \
78         CYG_WORD32 __val;                                                                       \
79         HAL_READ_UINT32(SOC_GPIOF_BASE + GPIO_DR, __val);       \
80         __val & TX27_LED_MASK;                                                          \
81 })                                                                                                              \
82
83 #define TURN_LED_ON(n)                                                  \
84         CYG_MACRO_START                                                         \
85         CYG_WORD32 __val;                                                       \
86         HAL_READ_UINT32(TX27_LED_REG_ADDR, __val);      \
87         __val |= TX27_LED_MASK;                                         \
88         HAL_WRITE_UINT32(TX27_LED_REG_ADDR, __val);     \
89         CYG_MACRO_END                                                           \
90
91 #define TURN_LED_OFF(n)                                                 \
92         CYG_MACRO_START                                                         \
93         CYG_WORD32 __val;                                                       \
94         HAL_READ_UINT32(TX27_LED_REG_ADDR, __val);      \
95         __val &= ~TX27_LED_MASK;                                        \
96         HAL_WRITE_UINT32(TX27_LED_REG_ADDR, __val);     \
97         CYG_MACRO_END
98
99 #define BOARD_DEBUG_LED(n)                                              \
100         CYG_MACRO_START                                                         \
101         if (n >= 0 && n < LED_MAX_NUM) {                        \
102                 if (LED_IS_ON(n))                                               \
103                         TURN_LED_OFF(n);                                        \
104                 else                                                                    \
105                         TURN_LED_ON(n);                                         \
106         }                                                                                       \
107         CYG_MACRO_END
108
109 #define BLINK_LED(l, n)                                                 \
110         CYG_MACRO_START                                                         \
111         int _i;                                                                         \
112         for (_i = 0; _i < (n); _i++) {                          \
113                 BOARD_DEBUG_LED(l);                                             \
114                 HAL_DELAY_US(200000);                                   \
115                 BOARD_DEBUG_LED(l);                                             \
116                 HAL_DELAY_US(300000);                                   \
117         }                                                                                       \
118         HAL_DELAY_US(1000000);                                          \
119         CYG_MACRO_END
120
121 #if !defined(__ASSEMBLER__)
122 enum {
123         BOARD_TYPE_TX27KARO,
124 };
125
126 #define gpio_tst_bit(grp, gpio)         _gpio_tst_bit(grp, gpio, __FUNCTION__, __LINE__)
127 static inline int _gpio_tst_bit(int grp, int gpio, const char *func, int line)
128 {
129         if (grp < 0 || grp > 5) {
130                 return 0;
131         }
132         if (gpio < 0 || gpio > 31) {
133                 return 0;
134         }
135         unsigned long val = readl(SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
136         return !!(val & (1 << gpio));
137 }
138
139 static inline void gpio_set_bit(int grp, int gpio)
140 {
141         if (grp < 0 || grp > 5) {
142                 return;
143         }
144         if (gpio < 0 || gpio > 31) {
145                 return;
146         }
147         unsigned long val = readl(SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
148         writel(val | (1 << gpio), SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
149 }
150
151 static inline void gpio_clr_bit(int grp, int gpio)
152 {
153         if (grp < 0 || grp > 5) {
154                 return;
155         }
156         if (gpio < 0 || gpio > 31) {
157                 return;
158         }
159         unsigned long val = readl(SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
160         writel(val & ~(1 << gpio), SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
161 }
162
163
164 #endif
165
166 #endif /* CYGONCE_KARO_TX27_H */