3e8d2879c6
EARLY_PRINTF can help debugging early problems. Add it for Allwinner SoCs. Tested On: OrangePi One (H3)
330 lines
8.6 KiB
C
330 lines
8.6 KiB
C
/*-
|
|
* Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
|
|
* Copyright (c) 2015-2016 Emmanuel Vadot <manu@freebsd.org>
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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/ti/ti_machdep.c
|
|
*/
|
|
|
|
#include "opt_ddb.h"
|
|
#include "opt_platform.h"
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/devmap.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/machdep.h>
|
|
#include <machine/platformvar.h>
|
|
|
|
#include <arm/allwinner/aw_mp.h>
|
|
#include <arm/allwinner/aw_wdog.h>
|
|
#include <arm/allwinner/aw_machdep.h>
|
|
|
|
#include "platform_if.h"
|
|
|
|
static platform_attach_t a10_attach;
|
|
static platform_attach_t a13_attach;
|
|
static platform_attach_t a20_attach;
|
|
static platform_attach_t a31_attach;
|
|
static platform_attach_t a31s_attach;
|
|
static platform_attach_t a83t_attach;
|
|
static platform_attach_t h3_attach;
|
|
static platform_devmap_init_t allwinner_devmap_init;
|
|
static platform_cpu_reset_t allwinner_cpu_reset;
|
|
|
|
static u_int soc_type;
|
|
static u_int soc_family;
|
|
|
|
static int
|
|
a10_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_A10;
|
|
soc_family = ALLWINNERSOC_SUN4I;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
a13_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_A13;
|
|
soc_family = ALLWINNERSOC_SUN5I;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
a20_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_A20;
|
|
soc_family = ALLWINNERSOC_SUN7I;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
a31_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_A31;
|
|
soc_family = ALLWINNERSOC_SUN6I;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
a31s_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_A31S;
|
|
soc_family = ALLWINNERSOC_SUN6I;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
a33_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_A33;
|
|
soc_family = ALLWINNERSOC_SUN8I;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
a83t_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_A83T;
|
|
soc_family = ALLWINNERSOC_SUN8I;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
h3_attach(platform_t plat)
|
|
{
|
|
soc_type = ALLWINNERSOC_H3;
|
|
soc_family = ALLWINNERSOC_SUN8I;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Set up static device mappings.
|
|
*
|
|
* This covers all the on-chip device with 1MB section mappings, which is good
|
|
* for performance (uses fewer TLB entries for device access).
|
|
*
|
|
* XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe
|
|
* shouldn't be device-mapped. The original code mapped a 4MB block, but
|
|
* perhaps a 1MB block would be more appropriate.
|
|
*/
|
|
static int
|
|
allwinner_devmap_init(platform_t plat)
|
|
{
|
|
|
|
devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
allwinner_cpu_reset(platform_t plat)
|
|
{
|
|
aw_wdog_watchdog_reset();
|
|
printf("Reset failed!\n");
|
|
while (1);
|
|
}
|
|
|
|
/*
|
|
* To use early printf on Allwinner SoC, add to kernel config
|
|
* options SOCDEV_PA=0x01C00000
|
|
* options SOCDEV_VA=0x10000000
|
|
* options EARLY_PRINTF
|
|
* And remove the if 0
|
|
*/
|
|
#if 0
|
|
#ifdef EARLY_PRINTF
|
|
static void
|
|
allwinner_early_putc(int c)
|
|
{
|
|
volatile uint32_t * UART_STAT_REG = (uint32_t *)0x1002807C;
|
|
volatile uint32_t * UART_TX_REG = (uint32_t *)0x10028000;
|
|
const uint32_t UART_TXRDY = (1 << 2);
|
|
|
|
while ((*UART_STAT_REG & UART_TXRDY) == 0)
|
|
continue;
|
|
*UART_TX_REG = c;
|
|
}
|
|
early_putc_t *early_putc = allwinner_early_putc;
|
|
#endif /* EARLY_PRINTF */
|
|
|
|
#if defined(SOC_ALLWINNER_A10)
|
|
static platform_method_t a10_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, a10_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(a10, "a10", 0, "allwinner,sun4i-a10", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_A13)
|
|
static platform_method_t a13_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, a13_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(a13, "a13", 0, "allwinner,sun5i-a13", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_A20)
|
|
static platform_method_t a20_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, a20_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
|
|
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
|
|
#endif
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(a20, "a20", 0, "allwinner,sun7i-a20", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_A31)
|
|
static platform_method_t a31_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, a31_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
|
|
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
|
|
#endif
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_A31S)
|
|
static platform_method_t a31s_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, a31s_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
|
|
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
|
|
#endif
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_A33)
|
|
static platform_method_t a33_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, a33_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
|
|
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
|
|
#endif
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(a33, "a33", 0, "allwinner,sun8i-a33", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_A83T)
|
|
static platform_method_t a83t_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, a83t_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_mp_start_ap, a83t_mp_start_ap),
|
|
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
|
|
#endif
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(a83t, "a83t", 0, "allwinner,sun8i-a83t", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_H2PLUS)
|
|
static platform_method_t h2_plus_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, h3_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
|
|
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
|
|
#endif
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(h2_plus, "h2_plus", 0, "allwinner,sun8i-h2-plus", 200);
|
|
#endif
|
|
|
|
#if defined(SOC_ALLWINNER_H3)
|
|
static platform_method_t h3_methods[] = {
|
|
PLATFORMMETHOD(platform_attach, h3_attach),
|
|
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
|
|
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
|
|
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
|
|
#endif
|
|
PLATFORMMETHOD_END,
|
|
};
|
|
FDT_PLATFORM_DEF(h3, "h3", 0, "allwinner,sun8i-h3", 200);
|
|
#endif
|
|
|
|
|
|
|
|
u_int
|
|
allwinner_soc_type(void)
|
|
{
|
|
return (soc_type);
|
|
}
|
|
|
|
u_int
|
|
allwinner_soc_family(void)
|
|
{
|
|
return (soc_family);
|
|
}
|