Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Chris Zankel | 383 | 78.97% | 2 | 28.57% |
Max Filippov | 100 | 20.62% | 4 | 57.14% |
Thomas Gleixner | 2 | 0.41% | 1 | 14.29% |
Total | 485 | 7 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * arch/xtensa/platforms/xt2000/setup.c * * Platform specific functions for the XT2000 board. * * Authors: Chris Zankel <chris@zankel.net> * Joe Taylor <joe@tensilica.com> * * Copyright 2001 - 2004 Tensilica Inc. */ #include <linux/stddef.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/reboot.h> #include <linux/kdev_t.h> #include <linux/types.h> #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> #include <linux/stringify.h> #include <linux/platform_device.h> #include <linux/serial.h> #include <linux/serial_8250.h> #include <linux/timer.h> #include <asm/processor.h> #include <asm/platform.h> #include <asm/bootparam.h> #include <platform/hardware.h> #include <platform/serial.h> /* Assumes s points to an 8-chr string. No checking for NULL. */ static void led_print (int f, char *s) { unsigned long* led_addr = (unsigned long*) (XT2000_LED_ADDR + 0xE0) + f; int i; for (i = f; i < 8; i++) if ((*led_addr++ = *s++) == 0) break; } static int xt2000_power_off(struct sys_off_data *unused) { led_print (0, "POWEROFF"); local_irq_disable(); while (1); return NOTIFY_DONE; } static int xt2000_restart(struct notifier_block *this, unsigned long event, void *ptr) { /* Flush and reset the mmu, simulate a processor reset, and * jump to the reset vector. */ cpu_reset(); return NOTIFY_DONE; } static struct notifier_block xt2000_restart_block = { .notifier_call = xt2000_restart, }; void __init platform_setup(char** cmdline) { led_print (0, "LINUX "); } /* Heartbeat. Let the LED blink. */ static void xt2000_heartbeat(struct timer_list *unused); static DEFINE_TIMER(heartbeat_timer, xt2000_heartbeat); static void xt2000_heartbeat(struct timer_list *unused) { static int i; led_print(7, i ? "." : " "); i ^= 1; mod_timer(&heartbeat_timer, jiffies + HZ / 2); } //#define RS_TABLE_SIZE 2 #define _SERIAL_PORT(_base,_irq) \ { \ .mapbase = (_base), \ .membase = (void*)(_base), \ .irq = (_irq), \ .uartclk = DUART16552_XTAL_FREQ, \ .iotype = UPIO_MEM, \ .flags = UPF_BOOT_AUTOCONF, \ .regshift = 2, \ } static struct plat_serial8250_port xt2000_serial_data[] = { #if XCHAL_HAVE_BE _SERIAL_PORT(DUART16552_1_ADDR + 3, DUART16552_1_INTNUM), _SERIAL_PORT(DUART16552_2_ADDR + 3, DUART16552_2_INTNUM), #else _SERIAL_PORT(DUART16552_1_ADDR, DUART16552_1_INTNUM), _SERIAL_PORT(DUART16552_2_ADDR, DUART16552_2_INTNUM), #endif { } }; static struct platform_device xt2000_serial8250_device = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = xt2000_serial_data, }, }; static struct resource xt2000_sonic_res[] = { { .start = SONIC83934_ADDR, .end = SONIC83934_ADDR + 0xff, .flags = IORESOURCE_MEM, }, { .start = SONIC83934_INTNUM, .end = SONIC83934_INTNUM, .flags = IORESOURCE_IRQ, }, }; static struct platform_device xt2000_sonic_device = { .name = "xtsonic", .num_resources = ARRAY_SIZE(xt2000_sonic_res), .resource = xt2000_sonic_res, }; static int __init xt2000_setup_devinit(void) { platform_device_register(&xt2000_serial8250_device); platform_device_register(&xt2000_sonic_device); mod_timer(&heartbeat_timer, jiffies + HZ / 2); register_restart_handler(&xt2000_restart_block); register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_DEFAULT, xt2000_power_off, NULL); return 0; } device_initcall(xt2000_setup_devinit);
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