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 08abf3d5f8d..00000000000 --- a/arch/v850/kernel/rte_ma1_cb.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * arch/v850/kernel/rte_ma1_cb.c -- Midas labs RTE-V850E/MA1-CB board - * - * Copyright (C) 2001,02,03 NEC Electronics Corporation - * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of this - * archive for more details. - * - * Written by Miles Bader <miles@gnu.org> - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/bootmem.h> - -#include <asm/atomic.h> -#include <asm/page.h> -#include <asm/ma1.h> -#include <asm/rte_ma1_cb.h> -#include <asm/v850e_timer_c.h> - -#include "mach.h" - - -/* SRAM and SDRAM are almost contiguous (with a small hole in between; - see mach_reserve_bootmem for details), so just use both as one big area. */ -#define RAM_START SRAM_ADDR -#define RAM_END (SDRAM_ADDR + SDRAM_SIZE) - - -void __init mach_early_init (void) -{ - rte_cb_early_init (); -} - -void __init mach_get_physical_ram (unsigned long *ram_start, - unsigned long *ram_len) -{ - *ram_start = RAM_START; - *ram_len = RAM_END - RAM_START; -} - -void __init mach_reserve_bootmem () -{ -#ifdef CONFIG_RTE_CB_MULTI - /* Prevent the kernel from touching the monitor's scratch RAM. */ - reserve_bootmem(MON_SCRATCH_ADDR, MON_SCRATCH_SIZE, - BOOTMEM_DEFAULT); -#endif - - /* The space between SRAM and SDRAM is filled with duplicate - images of SRAM. Prevent the kernel from using them. */ - reserve_bootmem (SRAM_ADDR + SRAM_SIZE, - SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE), - BOOTMEM_DEFAULT); -} - -void mach_gettimeofday (struct timespec *tv) -{ - tv->tv_sec = 0; - tv->tv_nsec = 0; -} - -/* Called before configuring an on-chip UART. */ -void rte_ma1_cb_uart_pre_configure (unsigned chan, - unsigned cflags, unsigned baud) -{ - /* The RTE-MA1-CB connects some general-purpose I/O pins on the - CPU to the RTS/CTS lines of UART 0's serial connection. - I/O pins P42 and P43 are RTS and CTS respectively. */ - if (chan == 0) { - /* Put P42 & P43 in I/O port mode. */ - MA_PORT4_PMC &= ~0xC; - /* Make P42 an output, and P43 an input. */ - MA_PORT4_PM = (MA_PORT4_PM & ~0xC) | 0x8; - } - - /* Do pre-configuration for the actual UART. */ - ma_uart_pre_configure (chan, cflags, baud); -} - -void __init mach_init_irqs (void) -{ - unsigned tc; - - /* Initialize interrupts. */ - ma_init_irqs (); - rte_cb_init_irqs (); - - /* Use falling-edge-sensitivity for interrupts . */ - V850E_TIMER_C_SESC (0) &= ~0xC; - V850E_TIMER_C_SESC (1) &= ~0xF; - - /* INTP000-INTP011 are shared with `Timer C', so we have to set - up Timer C to pass them through as raw interrupts. */ - for (tc = 0; tc < 2; tc++) - /* Turn on the timer. */ - V850E_TIMER_C_TMCC0 (tc) |= V850E_TIMER_C_TMCC0_CAE; - - /* Make sure the relevant port0/port1 pins are assigned - interrupt duty. We used INTP001-INTP011 (don't screw with - INTP000 because the monitor uses it). */ - MA_PORT0_PMC |= 0x4; /* P02 (INTP001) in IRQ mode. */ - MA_PORT1_PMC |= 0x6; /* P11 (INTP010) & P12 (INTP011) in IRQ mode.*/ -} |