Bias the placement of kernel pages at lower PFNs
[linux-2.6/openmoko-kernel/knife-kernel.git] / include / asm-v850 / ma.h
blob89e66473a176c7cae06c1af9ace5239d5bb944fd
1 /*
2 * include/asm-v850/ma.h -- V850E/MA series of cpu chips
4 * Copyright (C) 2001,02,03 NEC Electronics Corporation
5 * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
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.
11 * Written by Miles Bader <miles@gnu.org>
14 #ifndef __V850_MA_H__
15 #define __V850_MA_H__
17 /* The MA series uses the V850E cpu core. */
18 #include <asm/v850e.h>
21 /* For <asm/entry.h> */
22 /* We use on-chip RAM, for a few miscellaneous variables that must be
23 accessible using a load instruction relative to R0. The amount
24 varies between chip models, but there's always at least 4K, and it
25 should always start at FFFFC000. */
26 #define R0_RAM_ADDR 0xFFFFC000
29 /* MA series UART details. */
30 #define V850E_UART_BASE_FREQ CPU_CLOCK_FREQ
32 /* This is a function that gets called before configuring the UART. */
33 #define V850E_UART_PRE_CONFIGURE ma_uart_pre_configure
34 #ifndef __ASSEMBLY__
35 extern void ma_uart_pre_configure (unsigned chan,
36 unsigned cflags, unsigned baud);
37 #endif
40 /* MA series timer C details. */
41 #define V850E_TIMER_C_BASE_ADDR 0xFFFFF600
44 /* MA series timer D details. */
45 #define V850E_TIMER_D_BASE_ADDR 0xFFFFF540
46 #define V850E_TIMER_D_TMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x0)
47 #define V850E_TIMER_D_CMD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x2)
48 #define V850E_TIMER_D_TMCD_BASE_ADDR (V850E_TIMER_D_BASE_ADDR + 0x4)
50 #define V850E_TIMER_D_BASE_FREQ CPU_CLOCK_FREQ
53 /* Port 0 */
54 /* Direct I/O. Bits 0-7 are pins P00-P07. */
55 #define MA_PORT0_IO_ADDR 0xFFFFF400
56 #define MA_PORT0_IO (*(volatile u8 *)MA_PORT0_IO_ADDR)
57 /* Port mode (for direct I/O, 0 = output, 1 = input). */
58 #define MA_PORT0_PM_ADDR 0xFFFFF420
59 #define MA_PORT0_PM (*(volatile u8 *)MA_PORT0_PM_ADDR)
60 /* Port mode control (0 = direct I/O mode, 1 = alternative I/O mode). */
61 #define MA_PORT0_PMC_ADDR 0xFFFFF440
62 #define MA_PORT0_PMC (*(volatile u8 *)MA_PORT0_PMC_ADDR)
63 /* Port function control (for P04-P07, 0 = IRQ, 1 = DMARQ). */
64 #define MA_PORT0_PFC_ADDR 0xFFFFF460
65 #define MA_PORT0_PFC (*(volatile u8 *)MA_PORT0_PFC_ADDR)
67 /* Port 1 */
68 /* Direct I/O. Bits 0-3 are pins P10-P13. */
69 #define MA_PORT1_IO_ADDR 0xFFFFF402
70 #define MA_PORT1_IO (*(volatile u8 *)MA_PORT1_IO_ADDR)
71 /* Port mode (for direct I/O, 0 = output, 1 = input). */
72 #define MA_PORT1_PM_ADDR 0xFFFFF420
73 #define MA_PORT1_PM (*(volatile u8 *)MA_PORT1_PM_ADDR)
74 /* Port mode control (0 = direct I/O mode, 1 = alternative I/O mode). */
75 #define MA_PORT1_PMC_ADDR 0xFFFFF442
76 #define MA_PORT1_PMC (*(volatile u8 *)MA_PORT1_PMC_ADDR)
78 /* Port 4 */
79 /* Direct I/O. Bits 0-5 are pins P40-P45. */
80 #define MA_PORT4_IO_ADDR 0xFFFFF408
81 #define MA_PORT4_IO (*(volatile u8 *)MA_PORT4_IO_ADDR)
82 /* Port mode (for direct I/O, 0 = output, 1 = input). */
83 #define MA_PORT4_PM_ADDR 0xFFFFF428
84 #define MA_PORT4_PM (*(volatile u8 *)MA_PORT4_PM_ADDR)
85 /* Port mode control (0 = direct I/O mode, 1 = alternative I/O mode). */
86 #define MA_PORT4_PMC_ADDR 0xFFFFF448
87 #define MA_PORT4_PMC (*(volatile u8 *)MA_PORT4_PMC_ADDR)
88 /* Port function control (for serial interfaces, 0 = CSI, 1 = UART). */
89 #define MA_PORT4_PFC_ADDR 0xFFFFF468
90 #define MA_PORT4_PFC (*(volatile u8 *)MA_PORT4_PFC_ADDR)
93 #ifndef __ASSEMBLY__
95 /* Initialize MA chip interrupts. */
96 extern void ma_init_irqs (void);
98 #endif /* !__ASSEMBLY__ */
101 #endif /* __V850_MA_H__ */