diff options
Diffstat (limited to 'arch/v850/kernel/rte_ma1_cb.c')
-rw-r--r-- | arch/v850/kernel/rte_ma1_cb.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/arch/v850/kernel/rte_ma1_cb.c b/arch/v850/kernel/rte_ma1_cb.c deleted file mode 100644 index 08abf3d5f8df..000000000000 --- a/arch/v850/kernel/rte_ma1_cb.c +++ /dev/null | |||
@@ -1,107 +0,0 @@ | |||
1 | /* | ||
2 | * arch/v850/kernel/rte_ma1_cb.c -- Midas labs RTE-V850E/MA1-CB 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 | #include <linux/kernel.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/bootmem.h> | ||
17 | |||
18 | #include <asm/atomic.h> | ||
19 | #include <asm/page.h> | ||
20 | #include <asm/ma1.h> | ||
21 | #include <asm/rte_ma1_cb.h> | ||
22 | #include <asm/v850e_timer_c.h> | ||
23 | |||
24 | #include "mach.h" | ||
25 | |||
26 | |||
27 | /* SRAM and SDRAM are almost contiguous (with a small hole in between; | ||
28 | see mach_reserve_bootmem for details), so just use both as one big area. */ | ||
29 | #define RAM_START SRAM_ADDR | ||
30 | #define RAM_END (SDRAM_ADDR + SDRAM_SIZE) | ||
31 | |||
32 | |||
33 | void __init mach_early_init (void) | ||
34 | { | ||
35 | rte_cb_early_init (); | ||
36 | } | ||
37 | |||
38 | void __init mach_get_physical_ram (unsigned long *ram_start, | ||
39 | unsigned long *ram_len) | ||
40 | { | ||
41 | *ram_start = RAM_START; | ||
42 | *ram_len = RAM_END - RAM_START; | ||
43 | } | ||
44 | |||
45 | void __init mach_reserve_bootmem () | ||
46 | { | ||
47 | #ifdef CONFIG_RTE_CB_MULTI | ||
48 | /* Prevent the kernel from touching the monitor's scratch RAM. */ | ||
49 | reserve_bootmem(MON_SCRATCH_ADDR, MON_SCRATCH_SIZE, | ||
50 | BOOTMEM_DEFAULT); | ||
51 | #endif | ||
52 | |||
53 | /* The space between SRAM and SDRAM is filled with duplicate | ||
54 | images of SRAM. Prevent the kernel from using them. */ | ||
55 | reserve_bootmem (SRAM_ADDR + SRAM_SIZE, | ||
56 | SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE), | ||
57 | BOOTMEM_DEFAULT); | ||
58 | } | ||
59 | |||
60 | void mach_gettimeofday (struct timespec *tv) | ||
61 | { | ||
62 | tv->tv_sec = 0; | ||
63 | tv->tv_nsec = 0; | ||
64 | } | ||
65 | |||
66 | /* Called before configuring an on-chip UART. */ | ||
67 | void rte_ma1_cb_uart_pre_configure (unsigned chan, | ||
68 | unsigned cflags, unsigned baud) | ||
69 | { | ||
70 | /* The RTE-MA1-CB connects some general-purpose I/O pins on the | ||
71 | CPU to the RTS/CTS lines of UART 0's serial connection. | ||
72 | I/O pins P42 and P43 are RTS and CTS respectively. */ | ||
73 | if (chan == 0) { | ||
74 | /* Put P42 & P43 in I/O port mode. */ | ||
75 | MA_PORT4_PMC &= ~0xC; | ||
76 | /* Make P42 an output, and P43 an input. */ | ||
77 | MA_PORT4_PM = (MA_PORT4_PM & ~0xC) | 0x8; | ||
78 | } | ||
79 | |||
80 | /* Do pre-configuration for the actual UART. */ | ||
81 | ma_uart_pre_configure (chan, cflags, baud); | ||
82 | } | ||
83 | |||
84 | void __init mach_init_irqs (void) | ||
85 | { | ||
86 | unsigned tc; | ||
87 | |||
88 | /* Initialize interrupts. */ | ||
89 | ma_init_irqs (); | ||
90 | rte_cb_init_irqs (); | ||
91 | |||
92 | /* Use falling-edge-sensitivity for interrupts . */ | ||
93 | V850E_TIMER_C_SESC (0) &= ~0xC; | ||
94 | V850E_TIMER_C_SESC (1) &= ~0xF; | ||
95 | |||
96 | /* INTP000-INTP011 are shared with `Timer C', so we have to set | ||
97 | up Timer C to pass them through as raw interrupts. */ | ||
98 | for (tc = 0; tc < 2; tc++) | ||
99 | /* Turn on the timer. */ | ||
100 | V850E_TIMER_C_TMCC0 (tc) |= V850E_TIMER_C_TMCC0_CAE; | ||
101 | |||
102 | /* Make sure the relevant port0/port1 pins are assigned | ||
103 | interrupt duty. We used INTP001-INTP011 (don't screw with | ||
104 | INTP000 because the monitor uses it). */ | ||
105 | MA_PORT0_PMC |= 0x4; /* P02 (INTP001) in IRQ mode. */ | ||
106 | MA_PORT1_PMC |= 0x6; /* P11 (INTP010) & P12 (INTP011) in IRQ mode.*/ | ||
107 | } | ||