/*- * Copyright (c) 2012 Ganbold Tsagaankhuu * Copyright (c) 2015-2016 Emmanuel Vadot * 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #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 */ #endif #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); }