127 lines
3.5 KiB
C
127 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2019 Michal Meloun <mmel@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "opt_platform.h"
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/devmap.h>
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#include <sys/lock.h>
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#include <sys/reboot.h>
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#include <vm/vm.h>
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#include <machine/bus.h>
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#include <machine/fdt.h>
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#include <machine/intr.h>
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#include <machine/machdep.h>
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#include <machine/platformvar.h>
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#include <dev/ofw/openfirm.h>
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#include <arm/rockchip/rk32xx_mp.h>
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#include "platform_if.h"
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#define CRU_PHYSBASE 0xFF760000
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#define CRU_SIZE 0x00010000
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#define CRU_GLB_SRST_FST_VALUE 0x1B0
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static platform_def_t rk3288w_platform;
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static void
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rk32xx_late_init(platform_t plat)
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{
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}
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/*
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* Set up static device mappings.
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*/
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static int
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rk32xx_devmap_init(platform_t plat)
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{
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devmap_add_entry(0xFF000000, 0x00E00000);
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return (0);
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}
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static void
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rk32xx_cpu_reset(platform_t plat)
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{
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bus_space_handle_t cru;
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printf("Resetting...\n");
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bus_space_map(fdtbus_bs_tag, CRU_PHYSBASE, CRU_SIZE, 0, &cru);
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spinlock_enter();
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dsb();
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/* Generate 'first global software reset' */
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bus_space_write_4(fdtbus_bs_tag, cru, CRU_GLB_SRST_FST_VALUE, 0xfdb9);
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while(1)
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;
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}
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/*
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* Early putc routine for EARLY_PRINTF support. To use, add to kernel config:
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* option SOCDEV_PA=0xFF600000
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* option SOCDEV_VA=0x70000000
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* option EARLY_PRINTF
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*/
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#if 0
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#ifdef EARLY_PRINTF
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static void
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rk32xx_early_putc(int c)
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{
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volatile uint32_t * UART_STAT_REG = (uint32_t *)(0x7009007C);
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volatile uint32_t * UART_TX_REG = (uint32_t *)(0x70090000);
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const uint32_t UART_TXRDY = (1 << 2);
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while ((*UART_STAT_REG & UART_TXRDY) == 0)
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continue;
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*UART_TX_REG = c;
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}
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early_putc_t *early_putc = rk32xx_early_putc;
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#endif
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#endif
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static platform_method_t rk32xx_methods[] = {
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PLATFORMMETHOD(platform_devmap_init, rk32xx_devmap_init),
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PLATFORMMETHOD(platform_late_init, rk32xx_late_init),
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PLATFORMMETHOD(platform_cpu_reset, rk32xx_cpu_reset),
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#ifdef SMP
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PLATFORMMETHOD(platform_mp_start_ap, rk32xx_mp_start_ap),
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PLATFORMMETHOD(platform_mp_setmaxid, rk32xx_mp_setmaxid),
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#endif
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PLATFORMMETHOD_END,
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};
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FDT_PLATFORM_DEF2(rk32xx, rk3288, "RK3288", 0, "rockchip,rk3288", 200);
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FDT_PLATFORM_DEF2(rk32xx, rk3288w, "RK3288W", 0, "rockchip,rk3288w", 200);
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