OSHW-DEIMOS/SOFTWARE/A64-TERES/u-boot_new/common/board_r.c
Dimitar Gamishev 093685c7d8 u-boot
2017-10-13 14:02:55 +03:00

516 lines
11 KiB
C

/*
* Copyright (c) 2011 The Chromium OS Authors.
* (C) Copyright 2002-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
/* TODO: can we just include all these headers whether needed or not? */
#if defined(CONFIG_CMD_BEDBUG)
#include <bedbug/type.h>
#endif
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#endif
#include <dm.h>
#include <environment.h>
#include <fdtdec.h>
#if defined(CONFIG_CMD_IDE)
#include <ide.h>
#endif
#include <initcall.h>
#ifdef CONFIG_PS2KBD
#include <keyboard.h>
#endif
#if defined(CONFIG_CMD_KGDB)
#include <kgdb.h>
#endif
#include <logbuff.h>
#include <malloc.h>
#ifdef CONFIG_BITBANGMII
#include <miiphy.h>
#endif
#include <mmc.h>
#include <nand.h>
#include <onenand_uboot.h>
#include <scsi.h>
#include <serial.h>
#include <spi.h>
#include <stdio_dev.h>
#include <trace.h>
#include <watchdog.h>
#ifdef CONFIG_ADDR_MAP
#include <asm/mmu.h>
#endif
#include <asm/sections.h>
#ifdef CONFIG_X86
#include <asm/init_helpers.h>
#endif
#include <dm/root.h>
#include <linux/compiler.h>
#include <linux/err.h>
#include <fdt_support.h>
#if defined(CONFIG_ALLWINNER)
#include <private_uboot.h>
#include <sunxi_board.h>
#include <sys_partition.h>
#include <sys_config.h>
#include <smc.h>
#include <securestorage.h>
#include <arisc.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
ulong monitor_flash_len;
int __board_flash_wp_on(void)
{
/*
* Most flashes can't be detected when write protection is enabled,
* so provide a way to let U-Boot gracefully ignore write protected
* devices.
*/
return 0;
}
int board_flash_wp_on(void)
__attribute__ ((weak, alias("__board_flash_wp_on")));
void __cpu_secondary_init_r(void)
{
}
void cpu_secondary_init_r(void)
__attribute__ ((weak, alias("__cpu_secondary_init_r")));
static int initr_secondary_cpu(void)
{
/*
* after non-volatile devices & environment is setup and cpu code have
* another round to deal with any initialization that might require
* full access to the environment or loading of some image (firmware)
* from a non-volatile device
*/
/* TODO: maybe define this for all archs? */
cpu_secondary_init_r();
return 0;
}
static int initr_trace(void)
{
#ifdef CONFIG_TRACE
trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
#endif
return 0;
}
static int initr_reloc(void)
{
set_working_fdt_addr((void*)gd->fdt_blob);
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
return 0;
}
#ifdef CONFIG_ARM
/*
* Some of these functions are needed purely because the functions they
* call return void. If we change them to return 0, these stubs can go away.
*/
static int initr_caches(void)
{
/* Enable caches */
enable_caches();
return 0;
}
#endif
__weak int fixup_cpu(void)
{
return 0;
}
static int initr_reloc_global_data(void)
{
#ifdef __ARM__
//ulong head_align_size = get_spare_head_size();
monitor_flash_len = _end - __image_copy_start;// + head_align_size;
#elif !defined(CONFIG_SANDBOX)
monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
#endif
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/*
* The gd->cpu pointer is set to an address in flash before relocation.
* We need to update it to point to the same CPU entry in RAM.
* TODO: why not just add gd->reloc_ofs?
*/
gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
/*
* If we didn't know the cpu mask & # cores, we can save them of
* now rather than 'computing' them constantly
*/
fixup_cpu();
#endif
#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
/*
* Some systems need to relocate the env_addr pointer early because the
* location it points to will get invalidated before env_relocate is
* called. One example is on systems that might use a L2 or L3 cache
* in SRAM mode and initialize that cache from SRAM mode back to being
* a cache in cpu_init_r.
*/
gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
#endif
return 0;
}
static int initr_serial(void)
{
serial_initialize();
return 0;
}
extern void mem_noncache_malloc_init(uint noncache_start, uint noncache_size);
static int initr_malloc(void)
{
ulong malloc_start;
malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
TOTAL_MALLOC_LEN);
debug("malloc start addr is %lx, size %dk \n",malloc_start,TOTAL_MALLOC_LEN>>10 );
#ifdef CONFIG_NONCACHE_MEMORY
{
mem_noncache_malloc_init(gd->malloc_noncache_start, CONFIG_NONCACHE_MEMORY_SIZE);
debug("no cache malloc start addr is %lx, size %dk \n",gd->malloc_noncache_start,TOTAL_MALLOC_LEN>>10 );
}
#endif
return 0;
}
__weak int power_init_board(void)
{
#ifdef CONFIG_SUNXI_AXP
extern int axp_reinit(void);
axp_reinit();
#endif
return 0;
}
static int initr_announce(void)
{
debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
return 0;
}
#ifdef CONFIG_GENERIC_MMC
int initr_mmc(void)
{
puts("MMC: ");
mmc_initialize(gd->bd);
return 0;
}
#endif
/*
* Tell if it's OK to load the environment early in boot.
*
* If CONFIG_OF_CONFIG is defined, we'll check with the FDT to see
* if this is OK (defaulting to saying it's OK).
*
* NOTE: Loading the environment early can be a bad idea if security is
* important, since no verification is done on the environment.
*
* @return 0 if environment should not be loaded, !=0 if it is ok to load
*/
static int should_load_env(void)
{
#ifdef CONFIG_OF_CONTROL
return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
#elif defined CONFIG_DELAY_ENVIRONMENT
return 0;
#else
return 1;
#endif
}
static int initr_env(void)
{
/* initialize environment */
if (should_load_env())
env_relocate();
else
set_default_env(NULL);
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
return 0;
}
static int initr_jumptable(void)
{
jumptable_init();
return 0;
}
/* enable exceptions */
#ifdef CONFIG_ARM
static int initr_enable_interrupts(void)
{
enable_interrupts();
return 0;
}
#endif
static int run_main_loop(void)
{
sunxi_tick_printf("inter uboot shell\n");
/* main_loop() can return to retry autoboot, if so just run it again */
for (;;)
main_loop();
return 0;
}
extern int script_init(void);
extern int PowerCheck(void);
extern int sunxi_keydata_burn_by_usb(void);
static int initr_sunxi_base(void)
{
board_late_init();
return 0;
}
static int sunxi_burn_key(void)
{
#ifndef CONFIG_SUNXI_SPINOR_PLATFORM
sunxi_keydata_burn_by_usb();
#endif
return 0;
}
#ifdef CONFIG_SUNXI_DISPLAY
static int initr_sunxi_display(void)
{
int workmode = uboot_spare_head.boot_data.work_mode;
if(!((workmode == WORK_MODE_BOOT) ||
(workmode == WORK_MODE_CARD_PRODUCT) ||
(workmode == WORK_MODE_SPRITE_RECOVERY)))
{
return 0;
}
tick_printf("start\n");
drv_disp_init();
#ifdef CONFIG_SUNXI_HDCP_IN_SECURESTORAGE
{
int hdcpkey_enable=0;
int ret = 0;
ret = script_parser_fetch("hdmi_para", "hdmi_hdcp_enable", &hdcpkey_enable, 1);
if((ret) || (hdcpkey_enable != 1))
{
board_display_device_open();
board_display_layer_request();
}
//here: write key to hardware
if(hdcpkey_enable==1)
{
char buffer[4096];
int data_len;
int ret0;
memset(buffer, 0, 4096);
ret0 = sunxi_secure_storage_init();
if(ret0)
{
printf("sunxi init secure storage failed\n");
}
else
{
ret0 = sunxi_secure_storage_read("hdcpkey", buffer, 4096, &data_len);
if(ret0)
{
printf("probe hdcp key failed\n");
}
else
{
ret0 = smc_aes_bssk_decrypt_to_keysram(buffer, data_len);
if(ret0)
{
printf("push hdcp key failed\n");
}
else
{
board_display_device_open();
board_display_layer_request();
}
}
}
}
}
#else
board_display_device_open();
board_display_layer_request();
#endif
tick_printf("end\n");
return 0;
}
#endif
static int initr_sunxi_flash(void)
{
int ret = 0;
#ifndef CONFIG_ARCH_HOMELET //for pad used
ret = sunxi_flash_handle_init();
if(!ret)
{
sunxi_partition_init();
}
#endif
return ret;
}
/*
* Over time we hope to remove these functions with code fragments and
* stub funtcions, and instead call the relevant function directly.
*
* We also hope to remove most of the driver-related init and do it if/when
* the driver is later used.
*
* TODO: perhaps reset the watchdog in the initcall function after each call?
*/
init_fnc_t init_sequence_r[] = {
initr_trace,
initr_reloc,
/* TODO: could x86/PPC have this also perhaps? */
#ifdef CONFIG_ARM
initr_caches,
board_init, /* Setup chipselects */
#endif
/*
* TODO: printing of the clock inforamtion of the board is now
* implemented as part of bdinfo command. Currently only support for
* davinci SOC's is added. Remove this check once all the board
* implement this.
*/
initr_reloc_global_data,
initr_serial,
initr_announce,
initr_malloc,
script_init,
bootstage_relocate,
power_init_board,
initr_secondary_cpu,
stdio_init,
initr_jumptable,
console_init_r, /* fully init console as a device */
interrupt_init,
#if defined(CONFIG_ARM) || defined(CONFIG_x86)
initr_enable_interrupts,
#endif
#ifdef CONFIG_SUNXI
//sunxi_arisc_probe, //call this func here for optimize boot time
#ifdef CONFIG_SUNXI_DISPLAY
initr_sunxi_display,
#endif
initr_sunxi_flash,
sunxi_burn_key,
initr_env,
initr_sunxi_base,
//sunxi_arisc_wait_ready, // must call this func here,because will call power_check later.
PowerCheck,
#endif
run_main_loop,
};
extern ulong _reset_vec;
extern ulong _undefined_instruction;
extern ulong _software_interrupt;
extern ulong _prefetch_abort;
extern ulong _data_abort;
extern ulong _not_used;
extern ulong _irq;
extern ulong _fiq;
#ifndef CONFIG_ARM64
#ifdef CONFIG_USE_IRQ
void intr_vector_fix(void)
{
int i = 0;
ulong * vec_array[8] = {0};
vec_array[i++] = &_reset_vec;
vec_array[i++] = &_undefined_instruction;
vec_array[i++] = &_software_interrupt;
vec_array[i++] = &_prefetch_abort;
vec_array[i++] = &_data_abort;
vec_array[i++] = &_not_used;
vec_array[i++] = &_irq;
vec_array[i++] = &_fiq;
for(i =0; i < 8; i++)
{
debug("before fix: vector %d, addr %lx ,value 0x%lx\n", i ,(ulong)vec_array[i], *(vec_array[i]));
*(vec_array[i]) += (gd->reloc_off);
debug("after fix: vector %d, addr %lx ,value 0x%lx\n", i ,(ulong)vec_array[i], *(vec_array[i]));
}
}
#endif
#endif
void board_init_r(gd_t *new_gd, ulong dest_addr)
{
#ifdef CONFIG_NEEDS_MANUAL_RELOC
int i;
#endif
#ifndef CONFIG_X86
gd = new_gd;
#endif
#ifdef CONFIG_NEEDS_MANUAL_RELOC
for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
init_sequence_r[i] += gd->reloc_off;
#endif
#ifndef CONFIG_ARM64
#ifdef CONFIG_USE_IRQ
intr_vector_fix();
#endif
#endif
if (initcall_run_list(init_sequence_r))
hang();
/* NOTREACHED - run_main_loop() does not return */
hang();
}