xref: /OK3568_Linux_fs/u-boot/common/board_r.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2011 The Chromium OS Authors.
3*4882a593Smuzhiyun  * (C) Copyright 2002-2006
4*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * (C) Copyright 2002
7*4882a593Smuzhiyun  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
8*4882a593Smuzhiyun  * Marius Groeger <mgroeger@sysgo.de>
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <common.h>
14*4882a593Smuzhiyun #include <api.h>
15*4882a593Smuzhiyun /* TODO: can we just include all these headers whether needed or not? */
16*4882a593Smuzhiyun #if defined(CONFIG_CMD_BEDBUG)
17*4882a593Smuzhiyun #include <bedbug/type.h>
18*4882a593Smuzhiyun #endif
19*4882a593Smuzhiyun #include <command.h>
20*4882a593Smuzhiyun #include <console.h>
21*4882a593Smuzhiyun #include <dm.h>
22*4882a593Smuzhiyun #include <environment.h>
23*4882a593Smuzhiyun #include <fdtdec.h>
24*4882a593Smuzhiyun #include <ide.h>
25*4882a593Smuzhiyun #include <initcall.h>
26*4882a593Smuzhiyun #include <init_helpers.h>
27*4882a593Smuzhiyun #ifdef CONFIG_PS2KBD
28*4882a593Smuzhiyun #include <keyboard.h>
29*4882a593Smuzhiyun #endif
30*4882a593Smuzhiyun #if defined(CONFIG_CMD_KGDB)
31*4882a593Smuzhiyun #include <kgdb.h>
32*4882a593Smuzhiyun #endif
33*4882a593Smuzhiyun #include <malloc.h>
34*4882a593Smuzhiyun #include <mapmem.h>
35*4882a593Smuzhiyun #include <memalign.h>
36*4882a593Smuzhiyun #ifdef CONFIG_BITBANGMII
37*4882a593Smuzhiyun #include <miiphy.h>
38*4882a593Smuzhiyun #endif
39*4882a593Smuzhiyun #include <mmc.h>
40*4882a593Smuzhiyun #include <nand.h>
41*4882a593Smuzhiyun #include <of_live.h>
42*4882a593Smuzhiyun #include <onenand_uboot.h>
43*4882a593Smuzhiyun #include <scsi.h>
44*4882a593Smuzhiyun #include <serial.h>
45*4882a593Smuzhiyun #include <spi.h>
46*4882a593Smuzhiyun #include <stdio_dev.h>
47*4882a593Smuzhiyun #include <timer.h>
48*4882a593Smuzhiyun #include <trace.h>
49*4882a593Smuzhiyun #include <watchdog.h>
50*4882a593Smuzhiyun #ifdef CONFIG_ADDR_MAP
51*4882a593Smuzhiyun #include <asm/mmu.h>
52*4882a593Smuzhiyun #endif
53*4882a593Smuzhiyun #include <asm/sections.h>
54*4882a593Smuzhiyun #include <asm/system.h>
55*4882a593Smuzhiyun #include <dm/root.h>
56*4882a593Smuzhiyun #include <linux/compiler.h>
57*4882a593Smuzhiyun #include <linux/err.h>
58*4882a593Smuzhiyun #include <efi_loader.h>
59*4882a593Smuzhiyun #include <sysmem.h>
60*4882a593Smuzhiyun #include <bidram.h>
61*4882a593Smuzhiyun #include <boot_rkimg.h>
62*4882a593Smuzhiyun #include <mtd_blk.h>
63*4882a593Smuzhiyun #if defined(CONFIG_GPIO_HOG)
64*4882a593Smuzhiyun #include <asm/gpio.h>
65*4882a593Smuzhiyun #endif
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun ulong monitor_flash_len;
70*4882a593Smuzhiyun 
board_flash_wp_on(void)71*4882a593Smuzhiyun __weak int board_flash_wp_on(void)
72*4882a593Smuzhiyun {
73*4882a593Smuzhiyun 	/*
74*4882a593Smuzhiyun 	 * Most flashes can't be detected when write protection is enabled,
75*4882a593Smuzhiyun 	 * so provide a way to let U-Boot gracefully ignore write protected
76*4882a593Smuzhiyun 	 * devices.
77*4882a593Smuzhiyun 	 */
78*4882a593Smuzhiyun 	return 0;
79*4882a593Smuzhiyun }
80*4882a593Smuzhiyun 
cpu_secondary_init_r(void)81*4882a593Smuzhiyun __weak void cpu_secondary_init_r(void)
82*4882a593Smuzhiyun {
83*4882a593Smuzhiyun }
84*4882a593Smuzhiyun 
initr_secondary_cpu(void)85*4882a593Smuzhiyun static int initr_secondary_cpu(void)
86*4882a593Smuzhiyun {
87*4882a593Smuzhiyun 	/*
88*4882a593Smuzhiyun 	 * after non-volatile devices & environment is setup and cpu code have
89*4882a593Smuzhiyun 	 * another round to deal with any initialization that might require
90*4882a593Smuzhiyun 	 * full access to the environment or loading of some image (firmware)
91*4882a593Smuzhiyun 	 * from a non-volatile device
92*4882a593Smuzhiyun 	 */
93*4882a593Smuzhiyun 	/* TODO: maybe define this for all archs? */
94*4882a593Smuzhiyun 	cpu_secondary_init_r();
95*4882a593Smuzhiyun 
96*4882a593Smuzhiyun 	return 0;
97*4882a593Smuzhiyun }
98*4882a593Smuzhiyun 
initr_trace(void)99*4882a593Smuzhiyun static int initr_trace(void)
100*4882a593Smuzhiyun {
101*4882a593Smuzhiyun #ifdef CONFIG_TRACE
102*4882a593Smuzhiyun 	trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
103*4882a593Smuzhiyun #endif
104*4882a593Smuzhiyun 
105*4882a593Smuzhiyun 	return 0;
106*4882a593Smuzhiyun }
107*4882a593Smuzhiyun 
initr_reloc(void)108*4882a593Smuzhiyun static int initr_reloc(void)
109*4882a593Smuzhiyun {
110*4882a593Smuzhiyun 	/* tell others: relocation done */
111*4882a593Smuzhiyun 	gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
112*4882a593Smuzhiyun 
113*4882a593Smuzhiyun 	return 0;
114*4882a593Smuzhiyun }
115*4882a593Smuzhiyun 
116*4882a593Smuzhiyun #ifdef CONFIG_ARM
117*4882a593Smuzhiyun /*
118*4882a593Smuzhiyun  * Some of these functions are needed purely because the functions they
119*4882a593Smuzhiyun  * call return void. If we change them to return 0, these stubs can go away.
120*4882a593Smuzhiyun  */
121*4882a593Smuzhiyun 
print_cr(void)122*4882a593Smuzhiyun static void print_cr(void)
123*4882a593Smuzhiyun {
124*4882a593Smuzhiyun 	u32 reg;
125*4882a593Smuzhiyun 
126*4882a593Smuzhiyun #ifdef CONFIG_ARM64
127*4882a593Smuzhiyun 	reg = get_sctlr();	/* get control reg. */
128*4882a593Smuzhiyun #else
129*4882a593Smuzhiyun 	reg = get_cr();
130*4882a593Smuzhiyun #endif
131*4882a593Smuzhiyun 	puts("CR: ");
132*4882a593Smuzhiyun 	if (reg & CR_M)
133*4882a593Smuzhiyun 		puts("M/");
134*4882a593Smuzhiyun 	if (reg & CR_C)
135*4882a593Smuzhiyun 		puts("C/");
136*4882a593Smuzhiyun 	if (reg & CR_I)
137*4882a593Smuzhiyun 		puts("I");
138*4882a593Smuzhiyun 	putc('\n');
139*4882a593Smuzhiyun }
140*4882a593Smuzhiyun 
initr_caches(void)141*4882a593Smuzhiyun static int initr_caches(void)
142*4882a593Smuzhiyun {
143*4882a593Smuzhiyun 	/* Enable caches */
144*4882a593Smuzhiyun 	enable_caches();
145*4882a593Smuzhiyun 	print_cr();
146*4882a593Smuzhiyun 
147*4882a593Smuzhiyun 	return 0;
148*4882a593Smuzhiyun }
149*4882a593Smuzhiyun #endif
150*4882a593Smuzhiyun 
fixup_cpu(void)151*4882a593Smuzhiyun __weak int fixup_cpu(void)
152*4882a593Smuzhiyun {
153*4882a593Smuzhiyun 	return 0;
154*4882a593Smuzhiyun }
155*4882a593Smuzhiyun 
initr_reloc_global_data(void)156*4882a593Smuzhiyun static int initr_reloc_global_data(void)
157*4882a593Smuzhiyun {
158*4882a593Smuzhiyun #ifdef __ARM__
159*4882a593Smuzhiyun 	monitor_flash_len = _end - __image_copy_start;
160*4882a593Smuzhiyun #elif defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
161*4882a593Smuzhiyun 	monitor_flash_len = (ulong)&_end - (ulong)&_start;
162*4882a593Smuzhiyun #elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
163*4882a593Smuzhiyun 	monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
164*4882a593Smuzhiyun #endif
165*4882a593Smuzhiyun #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
166*4882a593Smuzhiyun 	/*
167*4882a593Smuzhiyun 	 * The gd->cpu pointer is set to an address in flash before relocation.
168*4882a593Smuzhiyun 	 * We need to update it to point to the same CPU entry in RAM.
169*4882a593Smuzhiyun 	 * TODO: why not just add gd->reloc_ofs?
170*4882a593Smuzhiyun 	 */
171*4882a593Smuzhiyun 	gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
172*4882a593Smuzhiyun 
173*4882a593Smuzhiyun 	/*
174*4882a593Smuzhiyun 	 * If we didn't know the cpu mask & # cores, we can save them of
175*4882a593Smuzhiyun 	 * now rather than 'computing' them constantly
176*4882a593Smuzhiyun 	 */
177*4882a593Smuzhiyun 	fixup_cpu();
178*4882a593Smuzhiyun #endif
179*4882a593Smuzhiyun #ifdef CONFIG_SYS_EXTRA_ENV_RELOC
180*4882a593Smuzhiyun 	/*
181*4882a593Smuzhiyun 	 * Some systems need to relocate the env_addr pointer early because the
182*4882a593Smuzhiyun 	 * location it points to will get invalidated before env_relocate is
183*4882a593Smuzhiyun 	 * called.  One example is on systems that might use a L2 or L3 cache
184*4882a593Smuzhiyun 	 * in SRAM mode and initialize that cache from SRAM mode back to being
185*4882a593Smuzhiyun 	 * a cache in cpu_init_r.
186*4882a593Smuzhiyun 	 */
187*4882a593Smuzhiyun 	gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
188*4882a593Smuzhiyun #endif
189*4882a593Smuzhiyun #ifdef CONFIG_OF_EMBED
190*4882a593Smuzhiyun 	/*
191*4882a593Smuzhiyun 	* The fdt_blob needs to be moved to new relocation address
192*4882a593Smuzhiyun 	* incase of FDT blob is embedded with in image
193*4882a593Smuzhiyun 	*/
194*4882a593Smuzhiyun 	gd->fdt_blob += gd->reloc_off;
195*4882a593Smuzhiyun #endif
196*4882a593Smuzhiyun #ifdef CONFIG_EFI_LOADER
197*4882a593Smuzhiyun 	efi_runtime_relocate(gd->relocaddr, NULL);
198*4882a593Smuzhiyun #endif
199*4882a593Smuzhiyun 
200*4882a593Smuzhiyun 	return 0;
201*4882a593Smuzhiyun }
202*4882a593Smuzhiyun 
initr_serial(void)203*4882a593Smuzhiyun static int initr_serial(void)
204*4882a593Smuzhiyun {
205*4882a593Smuzhiyun 	serial_initialize();
206*4882a593Smuzhiyun 	return 0;
207*4882a593Smuzhiyun }
208*4882a593Smuzhiyun 
209*4882a593Smuzhiyun #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
initr_trap(void)210*4882a593Smuzhiyun static int initr_trap(void)
211*4882a593Smuzhiyun {
212*4882a593Smuzhiyun 	/*
213*4882a593Smuzhiyun 	 * Setup trap handlers
214*4882a593Smuzhiyun 	 */
215*4882a593Smuzhiyun #if defined(CONFIG_PPC)
216*4882a593Smuzhiyun 	trap_init(gd->relocaddr);
217*4882a593Smuzhiyun #else
218*4882a593Smuzhiyun 	trap_init(CONFIG_SYS_SDRAM_BASE);
219*4882a593Smuzhiyun #endif
220*4882a593Smuzhiyun 	return 0;
221*4882a593Smuzhiyun }
222*4882a593Smuzhiyun #endif
223*4882a593Smuzhiyun 
224*4882a593Smuzhiyun #ifdef CONFIG_ADDR_MAP
initr_addr_map(void)225*4882a593Smuzhiyun static int initr_addr_map(void)
226*4882a593Smuzhiyun {
227*4882a593Smuzhiyun 	init_addr_map();
228*4882a593Smuzhiyun 
229*4882a593Smuzhiyun 	return 0;
230*4882a593Smuzhiyun }
231*4882a593Smuzhiyun #endif
232*4882a593Smuzhiyun 
233*4882a593Smuzhiyun #ifdef CONFIG_POST
initr_post_backlog(void)234*4882a593Smuzhiyun static int initr_post_backlog(void)
235*4882a593Smuzhiyun {
236*4882a593Smuzhiyun 	post_output_backlog();
237*4882a593Smuzhiyun 	return 0;
238*4882a593Smuzhiyun }
239*4882a593Smuzhiyun #endif
240*4882a593Smuzhiyun 
241*4882a593Smuzhiyun #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
initr_unlock_ram_in_cache(void)242*4882a593Smuzhiyun static int initr_unlock_ram_in_cache(void)
243*4882a593Smuzhiyun {
244*4882a593Smuzhiyun 	unlock_ram_in_cache();	/* it's time to unlock D-cache in e500 */
245*4882a593Smuzhiyun 	return 0;
246*4882a593Smuzhiyun }
247*4882a593Smuzhiyun #endif
248*4882a593Smuzhiyun 
249*4882a593Smuzhiyun #ifdef CONFIG_PCI
initr_pci(void)250*4882a593Smuzhiyun static int initr_pci(void)
251*4882a593Smuzhiyun {
252*4882a593Smuzhiyun #ifndef CONFIG_DM_PCI
253*4882a593Smuzhiyun 	pci_init();
254*4882a593Smuzhiyun #endif
255*4882a593Smuzhiyun 
256*4882a593Smuzhiyun 	return 0;
257*4882a593Smuzhiyun }
258*4882a593Smuzhiyun #endif
259*4882a593Smuzhiyun 
initr_barrier(void)260*4882a593Smuzhiyun static int initr_barrier(void)
261*4882a593Smuzhiyun {
262*4882a593Smuzhiyun #ifdef CONFIG_PPC
263*4882a593Smuzhiyun 	/* TODO: Can we not use dmb() macros for this? */
264*4882a593Smuzhiyun 	asm("sync ; isync");
265*4882a593Smuzhiyun #endif
266*4882a593Smuzhiyun 	return 0;
267*4882a593Smuzhiyun }
268*4882a593Smuzhiyun 
initr_malloc(void)269*4882a593Smuzhiyun static int initr_malloc(void)
270*4882a593Smuzhiyun {
271*4882a593Smuzhiyun 	ulong malloc_start;
272*4882a593Smuzhiyun 
273*4882a593Smuzhiyun #if CONFIG_VAL(SYS_MALLOC_F_LEN)
274*4882a593Smuzhiyun 	debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
275*4882a593Smuzhiyun 	      gd->malloc_ptr / 1024);
276*4882a593Smuzhiyun #endif
277*4882a593Smuzhiyun 	/* The malloc area is immediately below the monitor copy in DRAM */
278*4882a593Smuzhiyun 	malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
279*4882a593Smuzhiyun 	mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
280*4882a593Smuzhiyun 			TOTAL_MALLOC_LEN);
281*4882a593Smuzhiyun 	return 0;
282*4882a593Smuzhiyun }
283*4882a593Smuzhiyun 
initr_console_record(void)284*4882a593Smuzhiyun static int initr_console_record(void)
285*4882a593Smuzhiyun {
286*4882a593Smuzhiyun #if defined(CONFIG_CONSOLE_RECORD)
287*4882a593Smuzhiyun 	int ret;
288*4882a593Smuzhiyun 
289*4882a593Smuzhiyun 	ret = console_record_init();
290*4882a593Smuzhiyun 	if (!ret)
291*4882a593Smuzhiyun 		console_record_reset_enable();
292*4882a593Smuzhiyun 	return ret;
293*4882a593Smuzhiyun #else
294*4882a593Smuzhiyun 	return 0;
295*4882a593Smuzhiyun #endif
296*4882a593Smuzhiyun }
297*4882a593Smuzhiyun 
298*4882a593Smuzhiyun #ifdef CONFIG_SYS_NONCACHED_MEMORY
initr_noncached(void)299*4882a593Smuzhiyun static int initr_noncached(void)
300*4882a593Smuzhiyun {
301*4882a593Smuzhiyun 	noncached_init();
302*4882a593Smuzhiyun 	return 0;
303*4882a593Smuzhiyun }
304*4882a593Smuzhiyun #endif
305*4882a593Smuzhiyun 
306*4882a593Smuzhiyun #ifdef CONFIG_OF_LIVE
initr_of_live(void)307*4882a593Smuzhiyun static int initr_of_live(void)
308*4882a593Smuzhiyun {
309*4882a593Smuzhiyun 	int ret;
310*4882a593Smuzhiyun 
311*4882a593Smuzhiyun 	bootstage_start(BOOTSTAGE_ID_ACCUM_OF_LIVE, "of_live");
312*4882a593Smuzhiyun 	ret = of_live_build(gd->fdt_blob, (struct device_node **)&gd->of_root);
313*4882a593Smuzhiyun 	bootstage_accum(BOOTSTAGE_ID_ACCUM_OF_LIVE);
314*4882a593Smuzhiyun 	if (ret)
315*4882a593Smuzhiyun 		return ret;
316*4882a593Smuzhiyun 
317*4882a593Smuzhiyun 	return 0;
318*4882a593Smuzhiyun }
319*4882a593Smuzhiyun #endif
320*4882a593Smuzhiyun 
321*4882a593Smuzhiyun #ifdef CONFIG_DM
initr_dm(void)322*4882a593Smuzhiyun static int initr_dm(void)
323*4882a593Smuzhiyun {
324*4882a593Smuzhiyun 	int ret;
325*4882a593Smuzhiyun 
326*4882a593Smuzhiyun 	/* Save the pre-reloc driver model and start a new one */
327*4882a593Smuzhiyun 	gd->dm_root_f = gd->dm_root;
328*4882a593Smuzhiyun 	gd->dm_root = NULL;
329*4882a593Smuzhiyun #ifdef CONFIG_TIMER
330*4882a593Smuzhiyun 	gd->timer = NULL;
331*4882a593Smuzhiyun #endif
332*4882a593Smuzhiyun 	bootstage_start(BOOTSTATE_ID_ACCUM_DM_R, "dm_r");
333*4882a593Smuzhiyun 	ret = dm_init_and_scan(false);
334*4882a593Smuzhiyun 	bootstage_accum(BOOTSTATE_ID_ACCUM_DM_R);
335*4882a593Smuzhiyun 	if (ret)
336*4882a593Smuzhiyun 		return ret;
337*4882a593Smuzhiyun #ifdef CONFIG_TIMER_EARLY
338*4882a593Smuzhiyun 	ret = dm_timer_init();
339*4882a593Smuzhiyun 	if (ret)
340*4882a593Smuzhiyun 		return ret;
341*4882a593Smuzhiyun #endif
342*4882a593Smuzhiyun 
343*4882a593Smuzhiyun 	return 0;
344*4882a593Smuzhiyun }
345*4882a593Smuzhiyun #endif
346*4882a593Smuzhiyun 
initr_bootstage(void)347*4882a593Smuzhiyun static int initr_bootstage(void)
348*4882a593Smuzhiyun {
349*4882a593Smuzhiyun 	bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
350*4882a593Smuzhiyun 
351*4882a593Smuzhiyun 	return 0;
352*4882a593Smuzhiyun }
353*4882a593Smuzhiyun 
power_init_board(void)354*4882a593Smuzhiyun __weak int power_init_board(void)
355*4882a593Smuzhiyun {
356*4882a593Smuzhiyun 	return 0;
357*4882a593Smuzhiyun }
358*4882a593Smuzhiyun 
initr_announce(void)359*4882a593Smuzhiyun static int initr_announce(void)
360*4882a593Smuzhiyun {
361*4882a593Smuzhiyun 	ulong addr;
362*4882a593Smuzhiyun 
363*4882a593Smuzhiyun #ifndef CONFIG_SKIP_RELOCATE_UBOOT
364*4882a593Smuzhiyun 	addr = gd->relocaddr;
365*4882a593Smuzhiyun #else
366*4882a593Smuzhiyun 	addr = CONFIG_SYS_TEXT_BASE;
367*4882a593Smuzhiyun #endif
368*4882a593Smuzhiyun 	debug("Now running in RAM - U-Boot at: %08lx\n", addr);
369*4882a593Smuzhiyun 
370*4882a593Smuzhiyun 	return 0;
371*4882a593Smuzhiyun }
372*4882a593Smuzhiyun 
373*4882a593Smuzhiyun #ifdef CONFIG_NEEDS_MANUAL_RELOC
initr_manual_reloc_cmdtable(void)374*4882a593Smuzhiyun static int initr_manual_reloc_cmdtable(void)
375*4882a593Smuzhiyun {
376*4882a593Smuzhiyun 	fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
377*4882a593Smuzhiyun 		       ll_entry_count(cmd_tbl_t, cmd));
378*4882a593Smuzhiyun 	return 0;
379*4882a593Smuzhiyun }
380*4882a593Smuzhiyun #endif
381*4882a593Smuzhiyun 
382*4882a593Smuzhiyun #if defined(CONFIG_MTD_NOR_FLASH)
initr_flash(void)383*4882a593Smuzhiyun static int initr_flash(void)
384*4882a593Smuzhiyun {
385*4882a593Smuzhiyun 	ulong flash_size = 0;
386*4882a593Smuzhiyun 	bd_t *bd = gd->bd;
387*4882a593Smuzhiyun 
388*4882a593Smuzhiyun 	puts("Flash: ");
389*4882a593Smuzhiyun 
390*4882a593Smuzhiyun 	if (board_flash_wp_on())
391*4882a593Smuzhiyun 		printf("Uninitialized - Write Protect On\n");
392*4882a593Smuzhiyun 	else
393*4882a593Smuzhiyun 		flash_size = flash_init();
394*4882a593Smuzhiyun 
395*4882a593Smuzhiyun 	print_size(flash_size, "");
396*4882a593Smuzhiyun #ifdef CONFIG_SYS_FLASH_CHECKSUM
397*4882a593Smuzhiyun 	/*
398*4882a593Smuzhiyun 	* Compute and print flash CRC if flashchecksum is set to 'y'
399*4882a593Smuzhiyun 	*
400*4882a593Smuzhiyun 	* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
401*4882a593Smuzhiyun 	*/
402*4882a593Smuzhiyun 	if (env_get_yesno("flashchecksum") == 1) {
403*4882a593Smuzhiyun 		printf("  CRC: %08X", crc32(0,
404*4882a593Smuzhiyun 			(const unsigned char *) CONFIG_SYS_FLASH_BASE,
405*4882a593Smuzhiyun 			flash_size));
406*4882a593Smuzhiyun 	}
407*4882a593Smuzhiyun #endif /* CONFIG_SYS_FLASH_CHECKSUM */
408*4882a593Smuzhiyun 	putc('\n');
409*4882a593Smuzhiyun 
410*4882a593Smuzhiyun 	/* update start of FLASH memory    */
411*4882a593Smuzhiyun #ifdef CONFIG_SYS_FLASH_BASE
412*4882a593Smuzhiyun 	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
413*4882a593Smuzhiyun #endif
414*4882a593Smuzhiyun 	/* size of FLASH memory (final value) */
415*4882a593Smuzhiyun 	bd->bi_flashsize = flash_size;
416*4882a593Smuzhiyun 
417*4882a593Smuzhiyun #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
418*4882a593Smuzhiyun 	/* Make a update of the Memctrl. */
419*4882a593Smuzhiyun 	update_flash_size(flash_size);
420*4882a593Smuzhiyun #endif
421*4882a593Smuzhiyun 
422*4882a593Smuzhiyun 
423*4882a593Smuzhiyun #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
424*4882a593Smuzhiyun 	/* flash mapped at end of memory map */
425*4882a593Smuzhiyun 	bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
426*4882a593Smuzhiyun #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
427*4882a593Smuzhiyun 	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for monitor */
428*4882a593Smuzhiyun #endif
429*4882a593Smuzhiyun 	return 0;
430*4882a593Smuzhiyun }
431*4882a593Smuzhiyun #endif
432*4882a593Smuzhiyun 
433*4882a593Smuzhiyun #if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI)
initr_spi(void)434*4882a593Smuzhiyun static int initr_spi(void)
435*4882a593Smuzhiyun {
436*4882a593Smuzhiyun 	/* MPC8xx does this here */
437*4882a593Smuzhiyun #ifdef CONFIG_MPC8XX_SPI
438*4882a593Smuzhiyun #if !defined(CONFIG_ENV_IS_IN_EEPROM)
439*4882a593Smuzhiyun 	spi_init_f();
440*4882a593Smuzhiyun #endif
441*4882a593Smuzhiyun 	spi_init_r();
442*4882a593Smuzhiyun #endif
443*4882a593Smuzhiyun 	return 0;
444*4882a593Smuzhiyun }
445*4882a593Smuzhiyun #endif
446*4882a593Smuzhiyun 
447*4882a593Smuzhiyun #ifdef CONFIG_CMD_NAND
448*4882a593Smuzhiyun /* go init the NAND */
initr_nand(void)449*4882a593Smuzhiyun static int initr_nand(void)
450*4882a593Smuzhiyun {
451*4882a593Smuzhiyun #ifndef CONFIG_USING_KERNEL_DTB
452*4882a593Smuzhiyun 	puts("NAND:  ");
453*4882a593Smuzhiyun 	nand_init();
454*4882a593Smuzhiyun 	printf("%lu MiB\n", nand_size() / 1024);
455*4882a593Smuzhiyun #endif
456*4882a593Smuzhiyun 	return 0;
457*4882a593Smuzhiyun }
458*4882a593Smuzhiyun #endif
459*4882a593Smuzhiyun 
460*4882a593Smuzhiyun #if defined(CONFIG_CMD_ONENAND)
461*4882a593Smuzhiyun /* go init the NAND */
initr_onenand(void)462*4882a593Smuzhiyun static int initr_onenand(void)
463*4882a593Smuzhiyun {
464*4882a593Smuzhiyun 	puts("NAND:  ");
465*4882a593Smuzhiyun 	onenand_init();
466*4882a593Smuzhiyun 	return 0;
467*4882a593Smuzhiyun }
468*4882a593Smuzhiyun #endif
469*4882a593Smuzhiyun 
470*4882a593Smuzhiyun #ifdef CONFIG_MMC
initr_mmc(void)471*4882a593Smuzhiyun static int initr_mmc(void)
472*4882a593Smuzhiyun {
473*4882a593Smuzhiyun /*
474*4882a593Smuzhiyun  * When CONFIG_USING_KERNEL_DTB is enabled, mmc has been initialized earlier.
475*4882a593Smuzhiyun  */
476*4882a593Smuzhiyun #ifndef CONFIG_USING_KERNEL_DTB
477*4882a593Smuzhiyun 	puts("MMC:   ");
478*4882a593Smuzhiyun 	mmc_initialize(gd->bd);
479*4882a593Smuzhiyun #endif
480*4882a593Smuzhiyun 	return 0;
481*4882a593Smuzhiyun }
482*4882a593Smuzhiyun #endif
483*4882a593Smuzhiyun 
484*4882a593Smuzhiyun #if !defined(CONFIG_USING_KERNEL_DTB) || !defined(CONFIG_ENV_IS_NOWHERE)
485*4882a593Smuzhiyun /*
486*4882a593Smuzhiyun  * Tell if it's OK to load the environment early in boot.
487*4882a593Smuzhiyun  *
488*4882a593Smuzhiyun  * If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
489*4882a593Smuzhiyun  * if this is OK (defaulting to saying it's OK).
490*4882a593Smuzhiyun  *
491*4882a593Smuzhiyun  * NOTE: Loading the environment early can be a bad idea if security is
492*4882a593Smuzhiyun  *       important, since no verification is done on the environment.
493*4882a593Smuzhiyun  *
494*4882a593Smuzhiyun  * @return 0 if environment should not be loaded, !=0 if it is ok to load
495*4882a593Smuzhiyun  */
should_load_env(void)496*4882a593Smuzhiyun static int should_load_env(void)
497*4882a593Smuzhiyun {
498*4882a593Smuzhiyun #ifdef CONFIG_OF_CONTROL
499*4882a593Smuzhiyun 	return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
500*4882a593Smuzhiyun #elif defined CONFIG_DELAY_ENVIRONMENT
501*4882a593Smuzhiyun 	return 0;
502*4882a593Smuzhiyun #else
503*4882a593Smuzhiyun 	return 1;
504*4882a593Smuzhiyun #endif
505*4882a593Smuzhiyun }
506*4882a593Smuzhiyun 
initr_env(void)507*4882a593Smuzhiyun static int initr_env(void)
508*4882a593Smuzhiyun {
509*4882a593Smuzhiyun 	/* initialize environment */
510*4882a593Smuzhiyun 	if (should_load_env())
511*4882a593Smuzhiyun 		env_relocate();
512*4882a593Smuzhiyun 	else
513*4882a593Smuzhiyun 		set_default_env(NULL);
514*4882a593Smuzhiyun #ifdef CONFIG_OF_CONTROL
515*4882a593Smuzhiyun 	env_set_addr("fdtcontroladdr", gd->fdt_blob);
516*4882a593Smuzhiyun #endif
517*4882a593Smuzhiyun 
518*4882a593Smuzhiyun 	/* Initialize from environment */
519*4882a593Smuzhiyun 	load_addr = env_get_ulong("loadaddr", 16, load_addr);
520*4882a593Smuzhiyun 
521*4882a593Smuzhiyun 	return 0;
522*4882a593Smuzhiyun }
523*4882a593Smuzhiyun #endif
524*4882a593Smuzhiyun 
525*4882a593Smuzhiyun #ifdef CONFIG_USING_KERNEL_DTB
526*4882a593Smuzhiyun /*
527*4882a593Smuzhiyun  * If !defined(CONFIG_ENV_IS_NOWHERE):
528*4882a593Smuzhiyun  *
529*4882a593Smuzhiyun  * Storage env or kernel dtb load depends on bootdev, while bootdev
530*4882a593Smuzhiyun  * depends on env varname: devtype, devnum and rkimg_bootdev, etc.
531*4882a593Smuzhiyun  * So we have to use nowhere env firstly and cover the storage env
532*4882a593Smuzhiyun  * after it is loaded.
533*4882a593Smuzhiyun  *
534*4882a593Smuzhiyun  * Providing a minimum and necessary nowhere env for board init to
535*4882a593Smuzhiyun  * avoid covering the other varnames in storage env.
536*4882a593Smuzhiyun  */
initr_env_nowhere(void)537*4882a593Smuzhiyun static int initr_env_nowhere(void)
538*4882a593Smuzhiyun {
539*4882a593Smuzhiyun #ifdef CONFIG_ENV_IS_NOWHERE
540*4882a593Smuzhiyun 	set_default_env(NULL);
541*4882a593Smuzhiyun #if defined(CONFIG_ENVF)
542*4882a593Smuzhiyun 	/* init envf and partitiont from envf before any partition query action */
543*4882a593Smuzhiyun 	env_load();
544*4882a593Smuzhiyun #endif
545*4882a593Smuzhiyun 	return 0;
546*4882a593Smuzhiyun #else
547*4882a593Smuzhiyun 	const char env_minimum[] = {
548*4882a593Smuzhiyun 		ENV_MEM_LAYOUT_SETTINGS
549*4882a593Smuzhiyun #ifdef ENV_MEM_LAYOUT_SETTINGS1
550*4882a593Smuzhiyun 		ENV_MEM_LAYOUT_SETTINGS1
551*4882a593Smuzhiyun #endif
552*4882a593Smuzhiyun #ifdef RKIMG_DET_BOOTDEV
553*4882a593Smuzhiyun 		RKIMG_DET_BOOTDEV
554*4882a593Smuzhiyun #endif
555*4882a593Smuzhiyun 	};
556*4882a593Smuzhiyun 
557*4882a593Smuzhiyun 	return set_board_env((char *)env_minimum, ENV_SIZE, 0, true);
558*4882a593Smuzhiyun #endif
559*4882a593Smuzhiyun }
560*4882a593Smuzhiyun 
561*4882a593Smuzhiyun #if !defined(CONFIG_ENV_IS_NOWHERE)
562*4882a593Smuzhiyun /*
563*4882a593Smuzhiyun  * storage has been initialized in board_init(), we could switch env
564*4882a593Smuzhiyun  * from nowhere to storage, i.e. CONFIG_ENV_IS_IN_xxx=y.
565*4882a593Smuzhiyun  */
initr_env_switch(void)566*4882a593Smuzhiyun static int initr_env_switch(void)
567*4882a593Smuzhiyun {
568*4882a593Smuzhiyun 	ALLOC_CACHE_ALIGN_BUFFER(env_t, env_nowhere, 1);
569*4882a593Smuzhiyun 	char *data;
570*4882a593Smuzhiyun 	int ret;
571*4882a593Smuzhiyun 
572*4882a593Smuzhiyun 	data = env_get("bootargs");
573*4882a593Smuzhiyun 	if (data) {
574*4882a593Smuzhiyun 		env_set("bootargs_tmp", data);
575*4882a593Smuzhiyun 		env_set("bootargs", NULL);
576*4882a593Smuzhiyun 	}
577*4882a593Smuzhiyun 
578*4882a593Smuzhiyun 	/* Export nowhere env for late use */
579*4882a593Smuzhiyun 	ret = env_export(env_nowhere);
580*4882a593Smuzhiyun 	if (ret) {
581*4882a593Smuzhiyun 		printf("%s: export nowhere env fail, ret=%d\n", __func__, ret);
582*4882a593Smuzhiyun 		return -EINVAL;
583*4882a593Smuzhiyun 	}
584*4882a593Smuzhiyun 
585*4882a593Smuzhiyun 	/* Destroy nowhere env and import storage env */
586*4882a593Smuzhiyun 	initr_env();
587*4882a593Smuzhiyun 
588*4882a593Smuzhiyun 	/* Append/override nowhere env to storage env */
589*4882a593Smuzhiyun 	set_board_env((char *)env_nowhere->data, ENV_SIZE, H_NOCLEAR, false);
590*4882a593Smuzhiyun 
591*4882a593Smuzhiyun 	/*
592*4882a593Smuzhiyun 	 * Restore nowhere bootargs to append/override the one in env storage.
593*4882a593Smuzhiyun 	 *
594*4882a593Smuzhiyun 	 * Without this, the entire "bootargs" in storage env is replaces by
595*4882a593Smuzhiyun 	 * the one in env_nowhere->data.
596*4882a593Smuzhiyun 	 */
597*4882a593Smuzhiyun 	data = env_get("bootargs_tmp");
598*4882a593Smuzhiyun 	if (data) {
599*4882a593Smuzhiyun 		env_update("bootargs", data);
600*4882a593Smuzhiyun 		env_set("bootargs_tmp", NULL);
601*4882a593Smuzhiyun 	}
602*4882a593Smuzhiyun 
603*4882a593Smuzhiyun 	return 0;
604*4882a593Smuzhiyun }
605*4882a593Smuzhiyun #endif	/* CONFIG_ENV_IS_NOWHERE */
606*4882a593Smuzhiyun #endif	/* CONFIG_USING_KERNEL_DTB */
607*4882a593Smuzhiyun 
608*4882a593Smuzhiyun #ifdef CONFIG_SYS_BOOTPARAMS_LEN
initr_malloc_bootparams(void)609*4882a593Smuzhiyun static int initr_malloc_bootparams(void)
610*4882a593Smuzhiyun {
611*4882a593Smuzhiyun 	gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
612*4882a593Smuzhiyun 	if (!gd->bd->bi_boot_params) {
613*4882a593Smuzhiyun 		puts("WARNING: Cannot allocate space for boot parameters\n");
614*4882a593Smuzhiyun 		return -ENOMEM;
615*4882a593Smuzhiyun 	}
616*4882a593Smuzhiyun 	return 0;
617*4882a593Smuzhiyun }
618*4882a593Smuzhiyun #endif
619*4882a593Smuzhiyun 
initr_jumptable(void)620*4882a593Smuzhiyun static int initr_jumptable(void)
621*4882a593Smuzhiyun {
622*4882a593Smuzhiyun 	jumptable_init();
623*4882a593Smuzhiyun 	return 0;
624*4882a593Smuzhiyun }
625*4882a593Smuzhiyun 
626*4882a593Smuzhiyun #if defined(CONFIG_API)
initr_api(void)627*4882a593Smuzhiyun static int initr_api(void)
628*4882a593Smuzhiyun {
629*4882a593Smuzhiyun 	/* Initialize API */
630*4882a593Smuzhiyun 	api_init();
631*4882a593Smuzhiyun 	return 0;
632*4882a593Smuzhiyun }
633*4882a593Smuzhiyun #endif
634*4882a593Smuzhiyun 
635*4882a593Smuzhiyun /* enable exceptions */
636*4882a593Smuzhiyun #ifdef CONFIG_ARM
initr_enable_interrupts(void)637*4882a593Smuzhiyun static int initr_enable_interrupts(void)
638*4882a593Smuzhiyun {
639*4882a593Smuzhiyun 	enable_interrupts();
640*4882a593Smuzhiyun 	return 0;
641*4882a593Smuzhiyun }
642*4882a593Smuzhiyun #endif
643*4882a593Smuzhiyun 
644*4882a593Smuzhiyun #ifdef CONFIG_CMD_NET
initr_ethaddr(void)645*4882a593Smuzhiyun static int initr_ethaddr(void)
646*4882a593Smuzhiyun {
647*4882a593Smuzhiyun 	bd_t *bd = gd->bd;
648*4882a593Smuzhiyun 
649*4882a593Smuzhiyun 	/* kept around for legacy kernels only ... ignore the next section */
650*4882a593Smuzhiyun 	eth_env_get_enetaddr("ethaddr", bd->bi_enetaddr);
651*4882a593Smuzhiyun #ifdef CONFIG_HAS_ETH1
652*4882a593Smuzhiyun 	eth_env_get_enetaddr("eth1addr", bd->bi_enet1addr);
653*4882a593Smuzhiyun #endif
654*4882a593Smuzhiyun #ifdef CONFIG_HAS_ETH2
655*4882a593Smuzhiyun 	eth_env_get_enetaddr("eth2addr", bd->bi_enet2addr);
656*4882a593Smuzhiyun #endif
657*4882a593Smuzhiyun #ifdef CONFIG_HAS_ETH3
658*4882a593Smuzhiyun 	eth_env_get_enetaddr("eth3addr", bd->bi_enet3addr);
659*4882a593Smuzhiyun #endif
660*4882a593Smuzhiyun #ifdef CONFIG_HAS_ETH4
661*4882a593Smuzhiyun 	eth_env_get_enetaddr("eth4addr", bd->bi_enet4addr);
662*4882a593Smuzhiyun #endif
663*4882a593Smuzhiyun #ifdef CONFIG_HAS_ETH5
664*4882a593Smuzhiyun 	eth_env_get_enetaddr("eth5addr", bd->bi_enet5addr);
665*4882a593Smuzhiyun #endif
666*4882a593Smuzhiyun 	return 0;
667*4882a593Smuzhiyun }
668*4882a593Smuzhiyun #endif /* CONFIG_CMD_NET */
669*4882a593Smuzhiyun 
670*4882a593Smuzhiyun #ifdef CONFIG_CMD_KGDB
initr_kgdb(void)671*4882a593Smuzhiyun static int initr_kgdb(void)
672*4882a593Smuzhiyun {
673*4882a593Smuzhiyun 	puts("KGDB:  ");
674*4882a593Smuzhiyun 	kgdb_init();
675*4882a593Smuzhiyun 	return 0;
676*4882a593Smuzhiyun }
677*4882a593Smuzhiyun #endif
678*4882a593Smuzhiyun 
679*4882a593Smuzhiyun #if defined(CONFIG_LED_STATUS)
initr_status_led(void)680*4882a593Smuzhiyun static int initr_status_led(void)
681*4882a593Smuzhiyun {
682*4882a593Smuzhiyun #if defined(CONFIG_LED_STATUS_BOOT)
683*4882a593Smuzhiyun 	status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING);
684*4882a593Smuzhiyun #else
685*4882a593Smuzhiyun 	status_led_init();
686*4882a593Smuzhiyun #endif
687*4882a593Smuzhiyun 	return 0;
688*4882a593Smuzhiyun }
689*4882a593Smuzhiyun #endif
690*4882a593Smuzhiyun 
691*4882a593Smuzhiyun #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
initr_scsi(void)692*4882a593Smuzhiyun static int initr_scsi(void)
693*4882a593Smuzhiyun {
694*4882a593Smuzhiyun 	puts("SCSI:  ");
695*4882a593Smuzhiyun 	scsi_init();
696*4882a593Smuzhiyun 
697*4882a593Smuzhiyun 	return 0;
698*4882a593Smuzhiyun }
699*4882a593Smuzhiyun #endif
700*4882a593Smuzhiyun 
701*4882a593Smuzhiyun #ifdef CONFIG_BITBANGMII
initr_bbmii(void)702*4882a593Smuzhiyun static int initr_bbmii(void)
703*4882a593Smuzhiyun {
704*4882a593Smuzhiyun 	bb_miiphy_init();
705*4882a593Smuzhiyun 	return 0;
706*4882a593Smuzhiyun }
707*4882a593Smuzhiyun #endif
708*4882a593Smuzhiyun 
709*4882a593Smuzhiyun #ifdef CONFIG_CMD_NET
initr_net(void)710*4882a593Smuzhiyun static int initr_net(void)
711*4882a593Smuzhiyun {
712*4882a593Smuzhiyun 	puts("Net:   ");
713*4882a593Smuzhiyun 	eth_initialize();
714*4882a593Smuzhiyun #if defined(CONFIG_RESET_PHY_R)
715*4882a593Smuzhiyun 	debug("Reset Ethernet PHY\n");
716*4882a593Smuzhiyun 	reset_phy();
717*4882a593Smuzhiyun #endif
718*4882a593Smuzhiyun 	return 0;
719*4882a593Smuzhiyun }
720*4882a593Smuzhiyun #endif
721*4882a593Smuzhiyun 
722*4882a593Smuzhiyun #ifdef CONFIG_POST
initr_post(void)723*4882a593Smuzhiyun static int initr_post(void)
724*4882a593Smuzhiyun {
725*4882a593Smuzhiyun 	post_run(NULL, POST_RAM | post_bootmode_get(0));
726*4882a593Smuzhiyun 	return 0;
727*4882a593Smuzhiyun }
728*4882a593Smuzhiyun #endif
729*4882a593Smuzhiyun 
730*4882a593Smuzhiyun #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
initr_pcmcia(void)731*4882a593Smuzhiyun static int initr_pcmcia(void)
732*4882a593Smuzhiyun {
733*4882a593Smuzhiyun 	puts("PCMCIA:");
734*4882a593Smuzhiyun 	pcmcia_init();
735*4882a593Smuzhiyun 	return 0;
736*4882a593Smuzhiyun }
737*4882a593Smuzhiyun #endif
738*4882a593Smuzhiyun 
739*4882a593Smuzhiyun #if defined(CONFIG_IDE)
initr_ide(void)740*4882a593Smuzhiyun static int initr_ide(void)
741*4882a593Smuzhiyun {
742*4882a593Smuzhiyun 	puts("IDE:   ");
743*4882a593Smuzhiyun #if defined(CONFIG_START_IDE)
744*4882a593Smuzhiyun 	if (board_start_ide())
745*4882a593Smuzhiyun 		ide_init();
746*4882a593Smuzhiyun #else
747*4882a593Smuzhiyun 	ide_init();
748*4882a593Smuzhiyun #endif
749*4882a593Smuzhiyun 	return 0;
750*4882a593Smuzhiyun }
751*4882a593Smuzhiyun #endif
752*4882a593Smuzhiyun 
753*4882a593Smuzhiyun #if defined(CONFIG_PRAM)
754*4882a593Smuzhiyun /*
755*4882a593Smuzhiyun  * Export available size of memory for Linux, taking into account the
756*4882a593Smuzhiyun  * protected RAM at top of memory
757*4882a593Smuzhiyun  */
initr_mem(void)758*4882a593Smuzhiyun int initr_mem(void)
759*4882a593Smuzhiyun {
760*4882a593Smuzhiyun 	ulong pram = 0;
761*4882a593Smuzhiyun 	char memsz[32];
762*4882a593Smuzhiyun 
763*4882a593Smuzhiyun # ifdef CONFIG_PRAM
764*4882a593Smuzhiyun 	pram = env_get_ulong("pram", 10, CONFIG_PRAM);
765*4882a593Smuzhiyun # endif
766*4882a593Smuzhiyun 	sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram));
767*4882a593Smuzhiyun 	env_set("mem", memsz);
768*4882a593Smuzhiyun 
769*4882a593Smuzhiyun 	return 0;
770*4882a593Smuzhiyun }
771*4882a593Smuzhiyun #endif
772*4882a593Smuzhiyun 
773*4882a593Smuzhiyun #ifdef CONFIG_CMD_BEDBUG
initr_bedbug(void)774*4882a593Smuzhiyun static int initr_bedbug(void)
775*4882a593Smuzhiyun {
776*4882a593Smuzhiyun 	bedbug_init();
777*4882a593Smuzhiyun 
778*4882a593Smuzhiyun 	return 0;
779*4882a593Smuzhiyun }
780*4882a593Smuzhiyun #endif
781*4882a593Smuzhiyun 
782*4882a593Smuzhiyun #ifdef CONFIG_PS2KBD
initr_kbd(void)783*4882a593Smuzhiyun static int initr_kbd(void)
784*4882a593Smuzhiyun {
785*4882a593Smuzhiyun 	puts("PS/2:  ");
786*4882a593Smuzhiyun 	kbd_init();
787*4882a593Smuzhiyun 	return 0;
788*4882a593Smuzhiyun }
789*4882a593Smuzhiyun #endif
790*4882a593Smuzhiyun 
interrupt_debugger_init(void)791*4882a593Smuzhiyun __weak int interrupt_debugger_init(void)
792*4882a593Smuzhiyun {
793*4882a593Smuzhiyun 	return 0;
794*4882a593Smuzhiyun }
795*4882a593Smuzhiyun 
board_initr_caches_fixup(void)796*4882a593Smuzhiyun __weak int board_initr_caches_fixup(void)
797*4882a593Smuzhiyun {
798*4882a593Smuzhiyun 	return 0;
799*4882a593Smuzhiyun }
800*4882a593Smuzhiyun 
check_fuse(void)801*4882a593Smuzhiyun __weak int check_fuse(void)
802*4882a593Smuzhiyun {
803*4882a593Smuzhiyun 	return 0;
804*4882a593Smuzhiyun }
805*4882a593Smuzhiyun 
run_main_loop(void)806*4882a593Smuzhiyun static int run_main_loop(void)
807*4882a593Smuzhiyun {
808*4882a593Smuzhiyun #ifdef CONFIG_SANDBOX
809*4882a593Smuzhiyun 	sandbox_main_loop_init();
810*4882a593Smuzhiyun #endif
811*4882a593Smuzhiyun 	/* main_loop() can return to retry autoboot, if so just run it again */
812*4882a593Smuzhiyun 	for (;;)
813*4882a593Smuzhiyun 		main_loop();
814*4882a593Smuzhiyun 	return 0;
815*4882a593Smuzhiyun }
816*4882a593Smuzhiyun 
817*4882a593Smuzhiyun /*
818*4882a593Smuzhiyun  * Over time we hope to remove these functions with code fragments and
819*4882a593Smuzhiyun  * stub funtcions, and instead call the relevant function directly.
820*4882a593Smuzhiyun  *
821*4882a593Smuzhiyun  * We also hope to remove most of the driver-related init and do it if/when
822*4882a593Smuzhiyun  * the driver is later used.
823*4882a593Smuzhiyun  *
824*4882a593Smuzhiyun  * TODO: perhaps reset the watchdog in the initcall function after each call?
825*4882a593Smuzhiyun  */
826*4882a593Smuzhiyun static init_fnc_t init_sequence_r[] = {
827*4882a593Smuzhiyun 	initr_trace,
828*4882a593Smuzhiyun 	initr_reloc,
829*4882a593Smuzhiyun 	/* TODO: could x86/PPC have this also perhaps? */
830*4882a593Smuzhiyun #ifdef CONFIG_ARM
831*4882a593Smuzhiyun 	initr_caches,
832*4882a593Smuzhiyun 	/* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
833*4882a593Smuzhiyun 	 *	 A temporary mapping of IFC high region is since removed,
834*4882a593Smuzhiyun 	 *	 so environmental variables in NOR flash is not availble
835*4882a593Smuzhiyun 	 *	 until board_init() is called below to remap IFC to high
836*4882a593Smuzhiyun 	 *	 region.
837*4882a593Smuzhiyun 	 */
838*4882a593Smuzhiyun #endif
839*4882a593Smuzhiyun 	initr_reloc_global_data,
840*4882a593Smuzhiyun 
841*4882a593Smuzhiyun 	/*
842*4882a593Smuzhiyun 	 * Some platform requires to reserve memory regions for some firmware
843*4882a593Smuzhiyun 	 * to avoid kernel touches it, but U-Boot may have communication with
844*4882a593Smuzhiyun 	 * firmware by share memory. So that we had better reserve firmware
845*4882a593Smuzhiyun 	 * region after the initr_caches() which enables MMU and init
846*4882a593Smuzhiyun 	 * translation table, we need firmware region to be mapped as cacheable
847*4882a593Smuzhiyun 	 * like other regions, otherwise there would be dcache coherence issue
848*4882a593Smuzhiyun 	 * between firmware and U-Boot.
849*4882a593Smuzhiyun 	 */
850*4882a593Smuzhiyun 	board_initr_caches_fixup,
851*4882a593Smuzhiyun 
852*4882a593Smuzhiyun #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
853*4882a593Smuzhiyun 	initr_unlock_ram_in_cache,
854*4882a593Smuzhiyun #endif
855*4882a593Smuzhiyun 	initr_barrier,
856*4882a593Smuzhiyun 	initr_malloc,
857*4882a593Smuzhiyun #ifdef CONFIG_BIDRAM
858*4882a593Smuzhiyun 	bidram_initr,
859*4882a593Smuzhiyun #endif
860*4882a593Smuzhiyun #ifdef CONFIG_SYSMEM
861*4882a593Smuzhiyun 	sysmem_initr,
862*4882a593Smuzhiyun #endif
863*4882a593Smuzhiyun 	log_init,
864*4882a593Smuzhiyun 	initr_bootstage,	/* Needs malloc() but has its own timer */
865*4882a593Smuzhiyun 	initr_console_record,
866*4882a593Smuzhiyun #ifdef CONFIG_SYS_NONCACHED_MEMORY
867*4882a593Smuzhiyun 	initr_noncached,
868*4882a593Smuzhiyun #endif
869*4882a593Smuzhiyun 	bootstage_relocate,
870*4882a593Smuzhiyun 
871*4882a593Smuzhiyun 	interrupt_init,
872*4882a593Smuzhiyun #ifdef CONFIG_ARM
873*4882a593Smuzhiyun 	initr_enable_interrupts,
874*4882a593Smuzhiyun #endif
875*4882a593Smuzhiyun 	interrupt_debugger_init,
876*4882a593Smuzhiyun 
877*4882a593Smuzhiyun #ifdef CONFIG_OF_LIVE
878*4882a593Smuzhiyun 	initr_of_live,
879*4882a593Smuzhiyun #endif
880*4882a593Smuzhiyun #ifdef CONFIG_DM
881*4882a593Smuzhiyun 	initr_dm,
882*4882a593Smuzhiyun #endif
883*4882a593Smuzhiyun 
884*4882a593Smuzhiyun #ifdef CONFIG_USING_KERNEL_DTB
885*4882a593Smuzhiyun 	initr_env_nowhere,
886*4882a593Smuzhiyun #endif
887*4882a593Smuzhiyun #if defined(CONFIG_BOARD_EARLY_INIT_R)
888*4882a593Smuzhiyun 	board_early_init_r,
889*4882a593Smuzhiyun #endif
890*4882a593Smuzhiyun 
891*4882a593Smuzhiyun #if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
892*4882a593Smuzhiyun 	board_init,	/* Setup chipselects */
893*4882a593Smuzhiyun #endif
894*4882a593Smuzhiyun #if defined(CONFIG_USING_KERNEL_DTB) && !defined(CONFIG_ENV_IS_NOWHERE)
895*4882a593Smuzhiyun 	initr_env_switch,
896*4882a593Smuzhiyun #endif
897*4882a593Smuzhiyun 	/*
898*4882a593Smuzhiyun 	 * TODO: printing of the clock inforamtion of the board is now
899*4882a593Smuzhiyun 	 * implemented as part of bdinfo command. Currently only support for
900*4882a593Smuzhiyun 	 * davinci SOC's is added. Remove this check once all the board
901*4882a593Smuzhiyun 	 * implement this.
902*4882a593Smuzhiyun 	 */
903*4882a593Smuzhiyun #ifdef CONFIG_CLOCKS
904*4882a593Smuzhiyun 	set_cpu_clk_info, /* Setup clock information */
905*4882a593Smuzhiyun #endif
906*4882a593Smuzhiyun #ifdef CONFIG_EFI_LOADER
907*4882a593Smuzhiyun 	efi_memory_init,
908*4882a593Smuzhiyun #endif
909*4882a593Smuzhiyun 	stdio_init_tables,
910*4882a593Smuzhiyun 	initr_serial,
911*4882a593Smuzhiyun 	initr_announce,
912*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
913*4882a593Smuzhiyun #ifdef CONFIG_NEEDS_MANUAL_RELOC
914*4882a593Smuzhiyun 	initr_manual_reloc_cmdtable,
915*4882a593Smuzhiyun #endif
916*4882a593Smuzhiyun #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
917*4882a593Smuzhiyun 	initr_trap,
918*4882a593Smuzhiyun #endif
919*4882a593Smuzhiyun #ifdef CONFIG_ADDR_MAP
920*4882a593Smuzhiyun 	initr_addr_map,
921*4882a593Smuzhiyun #endif
922*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
923*4882a593Smuzhiyun #ifdef CONFIG_POST
924*4882a593Smuzhiyun 	initr_post_backlog,
925*4882a593Smuzhiyun #endif
926*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
927*4882a593Smuzhiyun 
928*4882a593Smuzhiyun #ifndef CONFIG_USING_KERNEL_DTB
929*4882a593Smuzhiyun 	/* init before storage(for: devtype, devnum, ...) */
930*4882a593Smuzhiyun 	initr_env,
931*4882a593Smuzhiyun #endif
932*4882a593Smuzhiyun #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
933*4882a593Smuzhiyun 	/*
934*4882a593Smuzhiyun 	 * Do early PCI configuration _before_ the flash gets initialised,
935*4882a593Smuzhiyun 	 * because PCU ressources are crucial for flash access on some boards.
936*4882a593Smuzhiyun 	 */
937*4882a593Smuzhiyun 	initr_pci,
938*4882a593Smuzhiyun #endif
939*4882a593Smuzhiyun #ifdef CONFIG_ARCH_EARLY_INIT_R
940*4882a593Smuzhiyun 	arch_early_init_r,
941*4882a593Smuzhiyun #endif
942*4882a593Smuzhiyun 	power_init_board,
943*4882a593Smuzhiyun #ifdef CONFIG_MTD_NOR_FLASH
944*4882a593Smuzhiyun 	initr_flash,
945*4882a593Smuzhiyun #endif
946*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
947*4882a593Smuzhiyun #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86)
948*4882a593Smuzhiyun 	/* initialize higher level parts of CPU like time base and timers */
949*4882a593Smuzhiyun 	cpu_init_r,
950*4882a593Smuzhiyun #endif
951*4882a593Smuzhiyun #ifdef CONFIG_PPC
952*4882a593Smuzhiyun 	initr_spi,
953*4882a593Smuzhiyun #endif
954*4882a593Smuzhiyun #ifdef CONFIG_CMD_NAND
955*4882a593Smuzhiyun 	initr_nand,
956*4882a593Smuzhiyun #endif
957*4882a593Smuzhiyun #ifdef CONFIG_CMD_ONENAND
958*4882a593Smuzhiyun 	initr_onenand,
959*4882a593Smuzhiyun #endif
960*4882a593Smuzhiyun #ifdef CONFIG_MMC
961*4882a593Smuzhiyun 	initr_mmc,
962*4882a593Smuzhiyun #endif
963*4882a593Smuzhiyun 
964*4882a593Smuzhiyun #ifdef CONFIG_SYS_BOOTPARAMS_LEN
965*4882a593Smuzhiyun 	initr_malloc_bootparams,
966*4882a593Smuzhiyun #endif
967*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
968*4882a593Smuzhiyun 	initr_secondary_cpu,
969*4882a593Smuzhiyun #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
970*4882a593Smuzhiyun 	mac_read_from_eeprom,
971*4882a593Smuzhiyun #endif
972*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
973*4882a593Smuzhiyun #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
974*4882a593Smuzhiyun 	/*
975*4882a593Smuzhiyun 	 * Do pci configuration
976*4882a593Smuzhiyun 	 */
977*4882a593Smuzhiyun 	initr_pci,
978*4882a593Smuzhiyun #endif
979*4882a593Smuzhiyun 	stdio_add_devices,
980*4882a593Smuzhiyun 	initr_jumptable,
981*4882a593Smuzhiyun #ifdef CONFIG_API
982*4882a593Smuzhiyun 	initr_api,
983*4882a593Smuzhiyun #endif
984*4882a593Smuzhiyun 	console_init_r,		/* fully init console as a device */
985*4882a593Smuzhiyun #ifdef CONFIG_DISPLAY_BOARDINFO_LATE
986*4882a593Smuzhiyun 	console_announce_r,
987*4882a593Smuzhiyun 	show_board_info,
988*4882a593Smuzhiyun #endif
989*4882a593Smuzhiyun #ifdef CONFIG_ARCH_MISC_INIT
990*4882a593Smuzhiyun 	arch_misc_init,		/* miscellaneous arch-dependent init */
991*4882a593Smuzhiyun #endif
992*4882a593Smuzhiyun #ifdef CONFIG_MISC_INIT_R
993*4882a593Smuzhiyun 	misc_init_r,		/* miscellaneous platform-dependent init */
994*4882a593Smuzhiyun #endif
995*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
996*4882a593Smuzhiyun #ifdef CONFIG_CMD_KGDB
997*4882a593Smuzhiyun 	initr_kgdb,
998*4882a593Smuzhiyun #endif
999*4882a593Smuzhiyun 
1000*4882a593Smuzhiyun #if defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K)
1001*4882a593Smuzhiyun 	timer_init,		/* initialize timer */
1002*4882a593Smuzhiyun #endif
1003*4882a593Smuzhiyun #if defined(CONFIG_LED_STATUS)
1004*4882a593Smuzhiyun 	initr_status_led,
1005*4882a593Smuzhiyun #endif
1006*4882a593Smuzhiyun 	/* PPC has a udelay(20) here dating from 2002. Why? */
1007*4882a593Smuzhiyun #ifdef CONFIG_CMD_NET
1008*4882a593Smuzhiyun 	initr_ethaddr,
1009*4882a593Smuzhiyun #endif
1010*4882a593Smuzhiyun #if defined(CONFIG_GPIO_HOG)
1011*4882a593Smuzhiyun 	gpio_hog_probe_all,
1012*4882a593Smuzhiyun #endif
1013*4882a593Smuzhiyun #ifdef CONFIG_BOARD_LATE_INIT
1014*4882a593Smuzhiyun 	board_late_init,
1015*4882a593Smuzhiyun #endif
1016*4882a593Smuzhiyun 	check_fuse,
1017*4882a593Smuzhiyun #if defined(CONFIG_SCSI) && !defined(CONFIG_DM_SCSI)
1018*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
1019*4882a593Smuzhiyun 	initr_scsi,
1020*4882a593Smuzhiyun #endif
1021*4882a593Smuzhiyun #ifdef CONFIG_BITBANGMII
1022*4882a593Smuzhiyun 	initr_bbmii,
1023*4882a593Smuzhiyun #endif
1024*4882a593Smuzhiyun #ifdef CONFIG_CMD_NET
1025*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
1026*4882a593Smuzhiyun 	initr_net,
1027*4882a593Smuzhiyun #endif
1028*4882a593Smuzhiyun #ifdef CONFIG_POST
1029*4882a593Smuzhiyun 	initr_post,
1030*4882a593Smuzhiyun #endif
1031*4882a593Smuzhiyun #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
1032*4882a593Smuzhiyun 	initr_pcmcia,
1033*4882a593Smuzhiyun #endif
1034*4882a593Smuzhiyun #if defined(CONFIG_IDE)
1035*4882a593Smuzhiyun 	initr_ide,
1036*4882a593Smuzhiyun #endif
1037*4882a593Smuzhiyun #ifdef CONFIG_LAST_STAGE_INIT
1038*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
1039*4882a593Smuzhiyun 	/*
1040*4882a593Smuzhiyun 	 * Some parts can be only initialized if all others (like
1041*4882a593Smuzhiyun 	 * Interrupts) are up and running (i.e. the PC-style ISA
1042*4882a593Smuzhiyun 	 * keyboard).
1043*4882a593Smuzhiyun 	 */
1044*4882a593Smuzhiyun 	last_stage_init,
1045*4882a593Smuzhiyun #endif
1046*4882a593Smuzhiyun #ifdef CONFIG_CMD_BEDBUG
1047*4882a593Smuzhiyun 	INIT_FUNC_WATCHDOG_RESET
1048*4882a593Smuzhiyun 	initr_bedbug,
1049*4882a593Smuzhiyun #endif
1050*4882a593Smuzhiyun #if defined(CONFIG_PRAM)
1051*4882a593Smuzhiyun 	initr_mem,
1052*4882a593Smuzhiyun #endif
1053*4882a593Smuzhiyun #ifdef CONFIG_PS2KBD
1054*4882a593Smuzhiyun 	initr_kbd,
1055*4882a593Smuzhiyun #endif
1056*4882a593Smuzhiyun 	run_main_loop,
1057*4882a593Smuzhiyun };
1058*4882a593Smuzhiyun 
board_init_r(gd_t * new_gd,ulong dest_addr)1059*4882a593Smuzhiyun void board_init_r(gd_t *new_gd, ulong dest_addr)
1060*4882a593Smuzhiyun {
1061*4882a593Smuzhiyun 	/*
1062*4882a593Smuzhiyun 	 * Set up the new global data pointer. So far only x86 does this
1063*4882a593Smuzhiyun 	 * here.
1064*4882a593Smuzhiyun 	 * TODO(sjg@chromium.org): Consider doing this for all archs, or
1065*4882a593Smuzhiyun 	 * dropping the new_gd parameter.
1066*4882a593Smuzhiyun 	 */
1067*4882a593Smuzhiyun #if CONFIG_IS_ENABLED(X86_64)
1068*4882a593Smuzhiyun 	arch_setup_gd(new_gd);
1069*4882a593Smuzhiyun #endif
1070*4882a593Smuzhiyun 
1071*4882a593Smuzhiyun #ifdef CONFIG_NEEDS_MANUAL_RELOC
1072*4882a593Smuzhiyun 	int i;
1073*4882a593Smuzhiyun #endif
1074*4882a593Smuzhiyun 
1075*4882a593Smuzhiyun #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
1076*4882a593Smuzhiyun 	gd = new_gd;
1077*4882a593Smuzhiyun #endif
1078*4882a593Smuzhiyun 	gd->flags &= ~GD_FLG_LOG_READY;
1079*4882a593Smuzhiyun 
1080*4882a593Smuzhiyun #ifdef CONFIG_NEEDS_MANUAL_RELOC
1081*4882a593Smuzhiyun 	for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
1082*4882a593Smuzhiyun 		init_sequence_r[i] += gd->reloc_off;
1083*4882a593Smuzhiyun #endif
1084*4882a593Smuzhiyun 
1085*4882a593Smuzhiyun 	if (initcall_run_list(init_sequence_r))
1086*4882a593Smuzhiyun 		hang();
1087*4882a593Smuzhiyun 
1088*4882a593Smuzhiyun 	/* NOTREACHED - run_main_loop() does not return */
1089*4882a593Smuzhiyun 	hang();
1090*4882a593Smuzhiyun }
1091