diff options
Diffstat (limited to 'arch/v850/kernel/rte_cb.c')
| -rw-r--r-- | arch/v850/kernel/rte_cb.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/arch/v850/kernel/rte_cb.c b/arch/v850/kernel/rte_cb.c deleted file mode 100644 index 43018e1edebd..000000000000 --- a/arch/v850/kernel/rte_cb.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * include/asm-v850/rte_cb.c -- Midas lab RTE-CB series of evaluation boards - * - * 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/init.h> -#include <linux/irq.h> -#include <linux/fs.h> -#include <linux/module.h> -#include <linux/kernel.h> - -#include <asm/machdep.h> -#include <asm/v850e_uart.h> - -#include "mach.h" - -static void led_tick (void); - -/* LED access routines. */ -extern unsigned read_leds (int pos, char *buf, int len); -extern unsigned write_leds (int pos, const char *buf, int len); - -#ifdef CONFIG_RTE_CB_MULTI -extern void multi_init (void); -#endif - - -void __init rte_cb_early_init (void) -{ - v850e_intc_disable_irqs (); - -#ifdef CONFIG_RTE_CB_MULTI - multi_init (); -#endif -} - -void __init mach_setup (char **cmdline) -{ -#ifdef CONFIG_RTE_MB_A_PCI - /* Probe for Mother-A, and print a message if we find it. */ - *(volatile unsigned long *)MB_A_SRAM_ADDR = 0xDEADBEEF; - if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0xDEADBEEF) { - *(volatile unsigned long *)MB_A_SRAM_ADDR = 0x12345678; - if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0x12345678) - printk (KERN_INFO - " NEC SolutionGear/Midas lab" - " RTE-MOTHER-A motherboard\n"); - } -#endif /* CONFIG_RTE_MB_A_PCI */ - - mach_tick = led_tick; -} - -void machine_restart (char *__unused) -{ -#ifdef CONFIG_RESET_GUARD - disable_reset_guard (); -#endif - asm ("jmp r0"); /* Jump to the reset vector. */ -} - -/* This says `HALt.' in LEDese. */ -static unsigned char halt_leds_msg[] = { 0x76, 0x77, 0x38, 0xF8 }; - -void machine_halt (void) -{ -#ifdef CONFIG_RESET_GUARD - disable_reset_guard (); -#endif - - /* Ignore all interrupts. */ - local_irq_disable (); - - /* Write a little message. */ - write_leds (0, halt_leds_msg, sizeof halt_leds_msg); - - /* Really halt. */ - for (;;) - asm ("halt; nop; nop; nop; nop; nop"); -} - -void machine_power_off (void) -{ - machine_halt (); -} - - -/* Animated LED display for timer tick. */ - -#define TICK_UPD_FREQ 6 -static int tick_frames[][10] = { - { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, -1 }, - { 0x63, 0x5c, -1 }, - { 0x5c, 0x00, -1 }, - { 0x63, 0x00, -1 }, - { -1 } -}; - -static void led_tick () -{ - static unsigned counter = 0; - - if (++counter == (HZ / TICK_UPD_FREQ)) { - /* Which frame we're currently displaying for each digit. */ - static unsigned frame_nums[LED_NUM_DIGITS] = { 0 }; - /* Display image. */ - static unsigned char image[LED_NUM_DIGITS] = { 0 }; - unsigned char prev_image[LED_NUM_DIGITS]; - int write_to_leds = 1; /* true if we should actually display */ - int digit; - - /* We check to see if the physical LEDs contains what we last - wrote to them; if not, we suppress display (this is so that - users can write to the LEDs, and not have their output - overwritten). As a special case, we start writing again if - all the LEDs are blank, or our display image is all zeros - (indicating that this is the initial update, when the actual - LEDs might contain random data). */ - read_leds (0, prev_image, LED_NUM_DIGITS); - for (digit = 0; digit < LED_NUM_DIGITS; digit++) - if (image[digit] != prev_image[digit] - && image[digit] && prev_image[digit]) - { - write_to_leds = 0; - break; - } - - /* Update display image. */ - for (digit = 0; - digit < LED_NUM_DIGITS && tick_frames[digit][0] >= 0; - digit++) - { - int frame = tick_frames[digit][frame_nums[digit]]; - if (frame < 0) { - image[digit] = tick_frames[digit][0]; - frame_nums[digit] = 1; - } else { - image[digit] = frame; - frame_nums[digit]++; - break; - } - } - - if (write_to_leds) - /* Write the display image to the physical LEDs. */ - write_leds (0, image, LED_NUM_DIGITS); - - counter = 0; - } -} - - -/* Mother-A interrupts. */ - -#ifdef CONFIG_RTE_GBUS_INT - -#define L GBUS_INT_PRIORITY_LOW -#define M GBUS_INT_PRIORITY_MEDIUM -#define H GBUS_INT_PRIORITY_HIGH - -static struct gbus_int_irq_init gbus_irq_inits[] = { -#ifdef CONFIG_RTE_MB_A_PCI - { "MB_A_LAN", IRQ_MB_A_LAN, 1, 1, L }, - { "MB_A_PCI1", IRQ_MB_A_PCI1(0), IRQ_MB_A_PCI1_NUM, 1, L }, - { "MB_A_PCI2", IRQ_MB_A_PCI2(0), IRQ_MB_A_PCI2_NUM, 1, L }, - { "MB_A_EXT", IRQ_MB_A_EXT(0), IRQ_MB_A_EXT_NUM, 1, L }, - { "MB_A_USB_OC",IRQ_MB_A_USB_OC(0), IRQ_MB_A_USB_OC_NUM, 1, L }, - { "MB_A_PCMCIA_OC",IRQ_MB_A_PCMCIA_OC, 1, 1, L }, -#endif - { 0 } -}; -#define NUM_GBUS_IRQ_INITS (ARRAY_SIZE(gbus_irq_inits) - 1) - -static struct hw_interrupt_type gbus_hw_itypes[NUM_GBUS_IRQ_INITS]; - -#endif /* CONFIG_RTE_GBUS_INT */ - - -void __init rte_cb_init_irqs (void) -{ -#ifdef CONFIG_RTE_GBUS_INT - gbus_int_init_irqs (); - gbus_int_init_irq_types (gbus_irq_inits, gbus_hw_itypes); -#endif /* CONFIG_RTE_GBUS_INT */ -} |
