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Diffstat (limited to 'include/asm-v850/anna.h')
-rw-r--r-- | include/asm-v850/anna.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/include/asm-v850/anna.h b/include/asm-v850/anna.h new file mode 100644 index 000000000000..3be77d5ecfce --- /dev/null +++ b/include/asm-v850/anna.h | |||
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1 | /* | ||
2 | * include/asm-v850/anna.h -- Anna V850E2 evaluation cpu chip/board | ||
3 | * | ||
4 | * Copyright (C) 2001,02,03 NEC Electronics Corporation | ||
5 | * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> | ||
6 | * | ||
7 | * This file is subject to the terms and conditions of the GNU General | ||
8 | * Public License. See the file COPYING in the main directory of this | ||
9 | * archive for more details. | ||
10 | * | ||
11 | * Written by Miles Bader <miles@gnu.org> | ||
12 | */ | ||
13 | |||
14 | #ifndef __V850_ANNA_H__ | ||
15 | #define __V850_ANNA_H__ | ||
16 | |||
17 | #include <asm/v850e2.h> /* Based on V850E2 core. */ | ||
18 | |||
19 | |||
20 | #define CPU_MODEL "v850e2/anna" | ||
21 | #define CPU_MODEL_LONG "NEC V850E2/Anna" | ||
22 | #define PLATFORM "anna" | ||
23 | #define PLATFORM_LONG "NEC/Midas lab V850E2/Anna evaluation board" | ||
24 | |||
25 | #define CPU_CLOCK_FREQ 200000000 /* 200MHz */ | ||
26 | #define SYS_CLOCK_FREQ 33300000 /* 33.3MHz */ | ||
27 | |||
28 | |||
29 | /* 1MB of static RAM. This memory is mirrored 64 times. */ | ||
30 | #define SRAM_ADDR 0x04000000 | ||
31 | #define SRAM_SIZE 0x00100000 /* 1MB */ | ||
32 | /* 64MB of DRAM. */ | ||
33 | #define SDRAM_ADDR 0x08000000 | ||
34 | #define SDRAM_SIZE 0x04000000 /* 64MB */ | ||
35 | |||
36 | |||
37 | /* For <asm/page.h> */ | ||
38 | #define PAGE_OFFSET SRAM_ADDR | ||
39 | |||
40 | /* We use on-chip RAM, for a few miscellaneous variables that must be | ||
41 | accessible using a load instruction relative to R0. The Anna chip has | ||
42 | 128K of `dLB' ram nominally located at 0xFFF00000, but it's mirrored | ||
43 | every 128K, so we can use the `last mirror' (except for the portion at | ||
44 | the top which is overridden by I/O space). In addition, the early | ||
45 | sample chip we're using has lots of memory errors in the dLB ram, so we | ||
46 | use a specially chosen location that has at least 20 bytes of contiguous | ||
47 | valid memory (xxxF0020 - xxxF003F). */ | ||
48 | #define R0_RAM_ADDR 0xFFFF8020 | ||
49 | |||
50 | |||
51 | /* Anna specific control registers. */ | ||
52 | #define ANNA_ILBEN_ADDR 0xFFFFF7F2 | ||
53 | #define ANNA_ILBEN (*(volatile u16 *)ANNA_ILBEN_ADDR) | ||
54 | |||
55 | |||
56 | /* I/O port P0-P3. */ | ||
57 | /* Direct I/O. Bits 0-7 are pins Pn0-Pn7. */ | ||
58 | #define ANNA_PORT_IO_ADDR(n) (0xFFFFF400 + (n) * 2) | ||
59 | #define ANNA_PORT_IO(n) (*(volatile u8 *)ANNA_PORT_IO_ADDR(n)) | ||
60 | /* Port mode (for direct I/O, 0 = output, 1 = input). */ | ||
61 | #define ANNA_PORT_PM_ADDR(n) (0xFFFFF410 + (n) * 2) | ||
62 | #define ANNA_PORT_PM(n) (*(volatile u8 *)ANNA_PORT_PM_ADDR(n)) | ||
63 | |||
64 | |||
65 | /* Hardware-specific interrupt numbers (in the kernel IRQ namespace). */ | ||
66 | #define IRQ_INTP(n) (n) /* Pnnn (pin) interrupts 0-15 */ | ||
67 | #define IRQ_INTP_NUM 16 | ||
68 | #define IRQ_INTOV(n) (0x10 + (n)) /* 0-2 */ | ||
69 | #define IRQ_INTOV_NUM 2 | ||
70 | #define IRQ_INTCCC(n) (0x12 + (n)) | ||
71 | #define IRQ_INTCCC_NUM 4 | ||
72 | #define IRQ_INTCMD(n) (0x16 + (n)) /* interval timer interrupts 0-5 */ | ||
73 | #define IRQ_INTCMD_NUM 6 | ||
74 | #define IRQ_INTDMA(n) (0x1C + (n)) /* DMA interrupts 0-3 */ | ||
75 | #define IRQ_INTDMA_NUM 4 | ||
76 | #define IRQ_INTDMXER 0x20 | ||
77 | #define IRQ_INTSRE(n) (0x21 + (n)*3) /* UART 0-1 reception error */ | ||
78 | #define IRQ_INTSRE_NUM 2 | ||
79 | #define IRQ_INTSR(n) (0x22 + (n)*3) /* UART 0-1 reception completion */ | ||
80 | #define IRQ_INTSR_NUM 2 | ||
81 | #define IRQ_INTST(n) (0x23 + (n)*3) /* UART 0-1 transmission completion */ | ||
82 | #define IRQ_INTST_NUM 2 | ||
83 | |||
84 | #define NUM_CPU_IRQS 64 | ||
85 | |||
86 | #ifndef __ASSEMBLY__ | ||
87 | /* Initialize chip interrupts. */ | ||
88 | extern void anna_init_irqs (void); | ||
89 | #endif | ||
90 | |||
91 | |||
92 | /* Anna UART details (basically the same as the V850E/MA1, but 2 channels). */ | ||
93 | #define V850E_UART_NUM_CHANNELS 2 | ||
94 | #define V850E_UART_BASE_FREQ (SYS_CLOCK_FREQ / 2) | ||
95 | #define V850E_UART_CHIP_NAME "V850E2/NA85E2A" | ||
96 | |||
97 | /* This is the UART channel that's actually connected on the board. */ | ||
98 | #define V850E_UART_CONSOLE_CHANNEL 1 | ||
99 | |||
100 | /* This is a function that gets called before configuring the UART. */ | ||
101 | #define V850E_UART_PRE_CONFIGURE anna_uart_pre_configure | ||
102 | #ifndef __ASSEMBLY__ | ||
103 | extern void anna_uart_pre_configure (unsigned chan, | ||
104 | unsigned cflags, unsigned baud); | ||
105 | #endif | ||
106 | |||
107 | /* This board supports RTS/CTS for the on-chip UART, but only for channel 1. */ | ||
108 | |||
109 | /* CTS for UART channel 1 is pin P37 (bit 7 of port 3). */ | ||
110 | #define V850E_UART_CTS(chan) ((chan) == 1 ? !(ANNA_PORT_IO(3) & 0x80) : 1) | ||
111 | /* RTS for UART channel 1 is pin P07 (bit 7 of port 0). */ | ||
112 | #define V850E_UART_SET_RTS(chan, val) \ | ||
113 | do { \ | ||
114 | if (chan == 1) { \ | ||
115 | unsigned old = ANNA_PORT_IO(0); \ | ||
116 | if (val) \ | ||
117 | ANNA_PORT_IO(0) = old & ~0x80; \ | ||
118 | else \ | ||
119 | ANNA_PORT_IO(0) = old | 0x80; \ | ||
120 | } \ | ||
121 | } while (0) | ||
122 | |||
123 | |||
124 | /* Timer C details. */ | ||
125 | #define V850E_TIMER_C_BASE_ADDR 0xFFFFF600 | ||
126 | |||
127 | /* Timer D details (the Anna actually has 5 of these; should change later). */ | ||
128 | #define V850E_TIMER_D_BASE_ADDR 0xFFFFF540 | ||
129 | #define V850E_TIMER_D_TMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x0) | ||
130 | #define V850E_TIMER_D_CMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x2) | ||
131 | #define V850E_TIMER_D_TMCD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x4) | ||
132 | |||
133 | #define V850E_TIMER_D_BASE_FREQ SYS_CLOCK_FREQ | ||
134 | #define V850E_TIMER_D_TMCD_CS_MIN 1 /* min 2^1 divider */ | ||
135 | |||
136 | |||
137 | /* For <asm/param.h> */ | ||
138 | #ifndef HZ | ||
139 | #define HZ 100 | ||
140 | #endif | ||
141 | |||
142 | |||
143 | #endif /* __V850_ANNA_H__ */ | ||