Differential D7238 Diff 20835 sys/arm/ralink/rt1310_machdep.c

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sys/arm/ralink/rt1310_machdep.c

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				/*-
				* Copyright (c) 1994-1998 Mark Brinicombe.
				* Copyright (c) 1994 Brini.
				* All rights reserved.
				*
				* This code is derived from software written for Brini by Mark Brinicombe
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				* 3. All advertising materials mentioning features or use of this software
				* must display the following acknowledgement:
				* This product includes software developed by Brini.
				* 4. The name of the company nor the name of the author may be used to
				* endorse or promote products derived from this software without specific
				* prior written permission.
				*
				* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
				* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
				* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
				* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
				* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
				* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
				* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*
				* from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
				*/
				mizhkaUnsubmitted Not Done Inline Actions Is it thing? mizhka: Is it thing?

				#include "opt_ddb.h"
				#include "opt_platform.h"

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD: head/sys/arm/lpc/lpc_machdep.c 266301 2014-05-17 11:27:36Z andrew $");

				#define _ARM32_BUS_DMA_PRIVATE
				#include <sys/param.h>
				#include <sys/systm.h>
				#include <sys/bus.h>
				#include <sys/reboot.h>
				#include <sys/devmap.h>

				#include <vm/vm.h>
				#include <vm/pmap.h>

				#include <machine/bus.h>
				#include <machine/fdt.h>
				#include <machine/machdep.h>
				#include <machine/platform.h>
				#include <machine/cpu.h>

				#include <arm/ralink/rt1310reg.h>
				#include <arm/ralink/rt1310var.h>

				#include <dev/fdt/fdt_common.h>

				#ifdef EARLY_PRINTF
				early_putc_t *early_putc;
				#endif


				uint32_t rt1310_master_clock;

				vm_offset_t
				platform_lastaddr(void)
				{

				return (devmap_lastaddr());
				}

				void
				platform_probe_and_attach(void)
				{
				}

				void
				platform_gpio_init(void)
				{

				/*
				* Set initial values of GPIO output ports
				*/
				// lpc_gpio_init();
				}

				void
				platform_late_init(void)
				{
				bootverbose = 1;
				// boothowto \|= (RB_SINGLE);
				}

				/*
				* Add a single static device mapping.
				* The values used were taken from the ranges property of the SoC node in the
				* dts file when this code was converted to arm_devmap_add_entry().
				*/
				int
				platform_devmap_init(void)
				{
				devmap_add_entry(0x19C00000, 0xE0000);
				devmap_add_entry(0x1e800000, 0x800000);
				devmap_add_entry(0x1f000000, 0x400000);
				return (0);
				}

				struct arm32_dma_range *
				bus_dma_get_range(void)
				{

				return (NULL);
				}

				int
				bus_dma_get_range_nb(void)
				{

				return (0);
				}

				void
				cpu_reset(void)
				{
				#if 1
				bus_space_tag_t bst;
				bus_space_handle_t bsh;

				bst = fdtbus_bs_tag;

				/* Enable WDT */
				/* Instant assert of RESETOUT_N with pulse length 1ms */
				bus_space_map(bst, 0x1e8c0000, 0x20000, 0, &bsh);
				bus_space_write_4(bst, bsh, 0, 13000);
				bus_space_write_4(bst, bsh, 8, (1<<3) \| (1<<4) \| 7);
				bus_space_unmap(bst, bsh, 0x20000);
				#else
				// not mmu access
				uint32_t* wdt_base_addr=(uint32_t*)0x1e8c0000;
				// uint32_t* wdt_base_addr=(uint32_t*)0xce8c0000;
				unsigned char prescale = 8;

				// disable_interrupts ();
				/* enable watchdog and delay 1 sec to reset */
				*(wdt_base_addr) = ((200000000 / 4) >> prescale) -1;
				*(wdt_base_addr+2) = 0x1F;
				#endif

				for (;;)
				continue;
				}

				void bootdebug1(int c);
				void bootdebug1(int c)
				{
				// direct put uart physical address
				uint8_t* uart_base_addr=(uint8_t*)0x1e840000;
				*(uart_base_addr) = c;
				}

				void bootdebug2(int c);
				void bootdebug2(int c)
				{
				#if defined(SOCDEV_PA) && defined(SOCDEV_VA)
				// direct put uart map address at locore-v4.S
				uint8_t* uart_base_addr=(uint8_t*)0xce840000;
				*(uart_base_addr) = c;
				#endif
				}

				void bootdebug3(int c);
				void bootdebug3(int c)
				{
				bus_space_tag_t bst;
				bus_space_handle_t bsh;

				bst = fdtbus_bs_tag;
				bus_space_map(bst, 0x1e840000, 0x20000, 0, &bsh);
				bus_space_write_1(bst, bsh, 0, c);
				bus_space_unmap(bst, bsh, 0x20000);
				}

				/* Physical and virtual addresses for some global pages */

				struct pv_addr msgbufpv;
				struct pv_addr kernelstack;