[people/ms/u-boot.git] / arch / nds32 / lib / board.c

/*
 * (C) Copyright 2002-2006
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * Copyright (C) 2011 Andes Technology Corporation
 * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
 * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <command.h>
#include <malloc.h>
#include <stdio_dev.h>
#include <timestamp.h>
#include <version.h>
#include <net.h>
#include <serial.h>
#include <nand.h>
#include <onenand_uboot.h>
#include <mmc.h>

DECLARE_GLOBAL_DATA_PTR;

ulong monitor_flash_len;

/*
 * Init Utilities
 */

#if !defined(CONFIG_BAUDRATE)
#define CONFIG_BAUDRATE 38400
#endif
static int init_baudrate(void)
{
	gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
	return 0;
}

/*
 * WARNING: this code looks "cleaner" than the PowerPC version, but
 * has the disadvantage that you either get nothing, or everything.
 * On PowerPC, you might see "DRAM: " before the system hangs - which
 * gives a simple yet clear indication which part of the
 * initialization if failing.
 */
static int display_dram_config(void)
{
	int i;

#ifdef DEBUG
	puts("RAM Configuration:\n");

	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
		printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
		print_size(gd->bd->bi_dram[i].size, "\n");
	}
#else
	ulong size = 0;

	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
		size += gd->bd->bi_dram[i].size;

	puts("DRAM:  ");
	print_size(size, "\n");
#endif

	return 0;
}

#ifndef CONFIG_SYS_NO_FLASH
static void display_flash_config(ulong size)
{
	puts("Flash: ");
	print_size(size, "\n");
}
#endif /* CONFIG_SYS_NO_FLASH */

#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
#include <pci.h>
static int nds32_pci_init(void)
{
	pci_init();
	return 0;
}
#endif /* CONFIG_CMD_PCI || CONFIG_PCI */

#if defined(CONFIG_PMU) || defined(CONFIG_PCU)
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
static int pmu_init(void)
{
#if defined(CONFIG_FTPMU010_POWER)
#ifdef __NDS32_N1213_43U1H__	/* AG101: internal definition in toolchain */
	ftpmu010_sdram_clk_disable(CONFIG_SYS_FTPMU010_PDLLCR0_HCLKOUTDIS);
	ftpmu010_mfpsr_select_dev(FTPMU010_MFPSR_AC97CLKSEL);
	ftpmu010_sdramhtc_set(CONFIG_SYS_FTPMU010_SDRAMHTC);
#endif	/* __NDS32_N1213_43U1H__ */
#endif
	return 0;
}
#endif
#endif

/*
 * Breathe some life into the board...
 *
 * Initialize a serial port as console, and carry out some hardware
 * tests.
 *
 * The first part of initialization is running from Flash memory;
 * its main purpose is to initialize the RAM so that we
 * can relocate the monitor code to RAM.
 */

/*
 * All attempts to come up with a "common" initialization sequence
 * that works for all boards and architectures failed: some of the
 * requirements are just _too_ different. To get rid of the resulting
 * mess of board dependent #ifdef'ed code we now make the whole
 * initialization sequence configurable to the user.
 *
 * The requirements for any new initalization function is simple: it
 * receives a pointer to the "global data" structure as it's only
 * argument, and returns an integer return code, where 0 means
 * "continue" and != 0 means "fatal error, hang the system".
 */
typedef int (init_fnc_t)(void);

void __dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
	gd->bd->bi_dram[0].size =  gd->ram_size;
}
void dram_init_banksize(void)
	__attribute__((weak, alias("__dram_init_banksize")));

init_fnc_t *init_sequence[] = {
#if defined(CONFIG_ARCH_CPU_INIT)
	arch_cpu_init,		/* basic arch cpu dependent setup */
#endif
#if defined(CONFIG_PMU) || defined(CONFIG_PCU)
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
	pmu_init,
#endif
#endif
	board_init,		/* basic board dependent setup */
#if defined(CONFIG_USE_IRQ)
	interrupt_init,		/* set up exceptions */
#endif
	timer_init,		/* initialize timer */
	env_init,		/* initialize environment */
	init_baudrate,		/* initialze baudrate settings */
	serial_init,		/* serial communications setup */
	console_init_f,		/* stage 1 init of console */
#if defined(CONFIG_DISPLAY_BOARDINFO)
	checkboard,		/* display board info */
#endif
#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
	init_func_i2c,
#endif
	dram_init,		/* configure available RAM banks */
	display_dram_config,
	NULL,
};

void board_init_f(ulong bootflag)
{
	bd_t *bd;
	init_fnc_t **init_fnc_ptr;
	gd_t *id;
	ulong addr, addr_sp;

	/* Pointer is writable since we allocated a register for it */
	gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);

	memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);

	gd->mon_len = (unsigned int)(&__bss_end__) - (unsigned int)(&_start);

	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
		if ((*init_fnc_ptr)() != 0)
			hang();
	}

	debug("monitor len: %08lX\n", gd->mon_len);
	/*
	 * Ram is setup, size stored in gd !!
	 */
	debug("ramsize: %08lX\n", gd->ram_size);

	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;

#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
	/* reserve TLB table */
	addr -= (4096 * 4);

	/* round down to next 64 kB limit */
	addr &= ~(0x10000 - 1);

	gd->tlb_addr = addr;
	debug("TLB table at: %08lx\n", addr);
#endif

	/* round down to next 4 kB limit */
	addr &= ~(4096 - 1);
	debug("Top of RAM usable for U-Boot at: %08lx\n", addr);

#ifdef CONFIG_LCD
#ifdef CONFIG_FB_ADDR
	gd->fb_base = CONFIG_FB_ADDR;
#else
	/* reserve memory for LCD display (always full pages) */
	addr = lcd_setmem(addr);
	gd->fb_base = addr;
#endif /* CONFIG_FB_ADDR */
#endif /* CONFIG_LCD */

	/*
	 * reserve memory for U-Boot code, data & bss
	 * round down to next 4 kB limit
	 */
	addr -= gd->mon_len;
	addr &= ~(4096 - 1);

	debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);

	/*
	 * reserve memory for malloc() arena
	 */
	addr_sp = addr - TOTAL_MALLOC_LEN;
	debug("Reserving %dk for malloc() at: %08lx\n",
			TOTAL_MALLOC_LEN >> 10, addr_sp);
	/*
	 * (permanently) allocate a Board Info struct
	 * and a permanent copy of the "global" data
	 */
	addr_sp -= GENERATED_BD_INFO_SIZE;
	bd = (bd_t *) addr_sp;
	gd->bd = bd;
	memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
	debug("Reserving %zu Bytes for Board Info at: %08lx\n",
			GENERATED_BD_INFO_SIZE, addr_sp);

	addr_sp -= GENERATED_GBL_DATA_SIZE;
	id = (gd_t *) addr_sp;
	debug("Reserving %zu Bytes for Global Data at: %08lx\n",
			GENERATED_GBL_DATA_SIZE, addr_sp);

	/* setup stackpointer for exeptions */
	gd->irq_sp = addr_sp;
#ifdef CONFIG_USE_IRQ
	addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
	debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
		CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
#endif
	/* leave 3 words for abort-stack    */
	addr_sp -= 12;

	/* 8-byte alignment for ABI compliance */
	addr_sp &= ~0x07;
	debug("New Stack Pointer is: %08lx\n", addr_sp);

	gd->bd->bi_baudrate = gd->baudrate;
	/* Ram isn't board specific, so move it to board code ... */
	dram_init_banksize();
	display_dram_config();	/* and display it */

	gd->relocaddr = addr;
	gd->start_addr_sp = addr_sp;

	gd->reloc_off = addr - _TEXT_BASE;

	debug("relocation Offset is: %08lx\n", gd->reloc_off);
	memcpy(id, (void *)gd, GENERATED_GBL_DATA_SIZE);

	relocate_code(addr_sp, id, addr);

	/* NOTREACHED - relocate_code() does not return */
}

/*
 * This is the next part if the initialization sequence: we are now
 * running from RAM and have a "normal" C environment, i. e. global
 * data can be written, BSS has been cleared, the stack size in not
 * that critical any more, etc.
 */
void board_init_r(gd_t *id, ulong dest_addr)
{
	bd_t *bd;
	ulong malloc_start;

	gd = id;
	bd = gd->bd;

	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */

	monitor_flash_len = &_end - &_start;
	debug("monitor flash len: %08lX\n", monitor_flash_len);

	board_init();	/* Setup chipselects */

#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	/*
	 * We have to relocate the command table manually
	 */
	fixup_cmdtable(&__u_boot_cmd_start,
		(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */

#ifdef CONFIG_SERIAL_MULTI
	serial_initialize();
#endif

	debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);

	/* The Malloc area is immediately below the monitor copy in DRAM */
	malloc_start = dest_addr - TOTAL_MALLOC_LEN;
	mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);
	malloc_bin_reloc();

#ifndef CONFIG_SYS_NO_FLASH
	/* configure available FLASH banks */
	gd->bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
	gd->bd->bi_flashsize = flash_init();
	gd->bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + gd->bd->bi_flashsize;

	if (gd->bd->bi_flashsize)
			display_flash_config(gd->bd->bi_flashsize);
#endif /* CONFIG_SYS_NO_FLASH */

#if defined(CONFIG_CMD_NAND)
	puts("NAND:  ");
	nand_init();		/* go init the NAND */
#endif

#if defined(CONFIG_CMD_IDE)
	puts("IDE:   ");
	ide_init();
#endif

#ifdef CONFIG_GENERIC_MMC
	puts("MMC:   ");
	mmc_initialize(gd->bd);
#endif

	/* initialize environment */
	env_relocate();

#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
	puts("PCI:   ");
	nds32_pci_init();
#endif

	stdio_init();	/* get the devices list going. */

	jumptable_init();

#if defined(CONFIG_API)
	/* Initialize API */
	api_init();
#endif

	console_init_r();	/* fully init console as a device */

#if defined(CONFIG_ARCH_MISC_INIT)
	/* miscellaneous arch dependent initialisations */
	arch_misc_init();
#endif
#if defined(CONFIG_MISC_INIT_R)
	/* miscellaneous platform dependent initialisations */
	misc_init_r();
#endif

#if defined(CONFIG_USE_IRQ)
	/* set up exceptions */
	interrupt_init();
	/* enable exceptions */
	enable_interrupts();
#endif

	/* Initialize from environment */
	load_addr = getenv_ulong("loadaddr", 16, load_addr);

#ifdef BOARD_LATE_INIT
	board_late_init();
#endif

#if defined(CONFIG_CMD_NET)
	puts("Net:   ");

	eth_initialize(gd->bd);
#if defined(CONFIG_RESET_PHY_R)
	debug("Reset Ethernet PHY\n");
	reset_phy();
#endif
#endif

	/* main_loop() can return to retry autoboot, if so just run it again. */
	for (;;)
		main_loop();

	/* NOTREACHED - no way out of command loop except booting */
}

void hang(void)
{
	puts("### ERROR ### Please RESET the board ###\n");
	for (;;)
		;
}
Commit	Line	Data
463d47f6 ML	1	/*
	2	* (C) Copyright 2002-2006
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* Copyright (C) 2011 Andes Technology Corporation
	6	* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
	7	* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
	8	*
	9	* See file CREDITS for list of people who contributed to this
	10	* project.
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License as
	14	* published by the Free Software Foundation; either version 2 of
	15	* the License, or (at your option) any later version.
	16	*
	17	* This program is distributed in the hope that it will be useful,
	18	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	* GNU General Public License for more details.
	21	*
	22	* You should have received a copy of the GNU General Public License
	23	* along with this program; if not, write to the Free Software
	24	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	25	* MA 02111-1307 USA
	26	*/
	27
	28	#include <common.h>
	29	#include <command.h>
	30	#include <malloc.h>
	31	#include <stdio_dev.h>
	32	#include <timestamp.h>
	33	#include <version.h>
	34	#include <net.h>
	35	#include <serial.h>
	36	#include <nand.h>
	37	#include <onenand_uboot.h>
	38	#include <mmc.h>
	39
	40	DECLARE_GLOBAL_DATA_PTR;
	41
	42	ulong monitor_flash_len;
	43
	44	/*
	45	* Init Utilities
	46	*/
	47
	48	#if !defined(CONFIG_BAUDRATE)
	49	#define CONFIG_BAUDRATE 38400
	50	#endif
	51	static int init_baudrate(void)
	52	{
569bc625	53	gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
463d47f6 ML	54	return 0;
	55	}
	56
	57	/*
	58	* WARNING: this code looks "cleaner" than the PowerPC version, but
	59	* has the disadvantage that you either get nothing, or everything.
	60	* On PowerPC, you might see "DRAM: " before the system hangs - which
	61	* gives a simple yet clear indication which part of the
	62	* initialization if failing.
	63	*/
	64	static int display_dram_config(void)
	65	{
	66	int i;
	67
	68	#ifdef DEBUG
	69	puts("RAM Configuration:\n");
	70
	71	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
	72	printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
	73	print_size(gd->bd->bi_dram[i].size, "\n");
	74	}
	75	#else
	76	ulong size = 0;
	77
	78	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
	79	size += gd->bd->bi_dram[i].size;
	80
	81	puts("DRAM: ");
	82	print_size(size, "\n");
	83	#endif
	84
	85	return 0;
	86	}
	87
	88	#ifndef CONFIG_SYS_NO_FLASH
	89	static void display_flash_config(ulong size)
	90	{
	91	puts("Flash: ");
	92	print_size(size, "\n");
	93	}
	94	#endif /* CONFIG_SYS_NO_FLASH */
	95
	96	#if defined(CONFIG_CMD_PCI) \|\| defined(CONFIG_PCI)
	97	#include <pci.h>
	98	static int nds32_pci_init(void)
	99	{
	100	pci_init();
	101	return 0;
	102	}
	103	#endif /* CONFIG_CMD_PCI \|\| CONFIG_PCI */
	104
	105	#if defined(CONFIG_PMU) \|\| defined(CONFIG_PCU)
11a05fbd	106	#ifndef CONFIG_SKIP_LOWLEVEL_INIT
463d47f6 ML	107	static int pmu_init(void)
	108	{
	109	#if defined(CONFIG_FTPMU010_POWER)
	110	#ifdef __NDS32_N1213_43U1H__ /* AG101: internal definition in toolchain */
	111	ftpmu010_sdram_clk_disable(CONFIG_SYS_FTPMU010_PDLLCR0_HCLKOUTDIS);
	112	ftpmu010_mfpsr_select_dev(FTPMU010_MFPSR_AC97CLKSEL);
	113	ftpmu010_sdramhtc_set(CONFIG_SYS_FTPMU010_SDRAMHTC);
	114	#endif /* __NDS32_N1213_43U1H__ */
	115	#endif
	116	return 0;
	117	}
	118	#endif
11a05fbd	119	#endif
463d47f6 ML	120
	121	/*
	122	* Breathe some life into the board...
	123	*
	124	* Initialize a serial port as console, and carry out some hardware
	125	* tests.
	126	*
	127	* The first part of initialization is running from Flash memory;
	128	* its main purpose is to initialize the RAM so that we
	129	* can relocate the monitor code to RAM.
	130	*/
	131
	132	/*
	133	* All attempts to come up with a "common" initialization sequence
	134	* that works for all boards and architectures failed: some of the
	135	* requirements are just _too_ different. To get rid of the resulting
	136	* mess of board dependent #ifdef'ed code we now make the whole
	137	* initialization sequence configurable to the user.
	138	*
	139	* The requirements for any new initalization function is simple: it
	140	* receives a pointer to the "global data" structure as it's only
	141	* argument, and returns an integer return code, where 0 means
	142	* "continue" and != 0 means "fatal error, hang the system".
	143	*/
	144	typedef int (init_fnc_t)(void);
	145
	146	void __dram_init_banksize(void)
	147	{
	148	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
	149	gd->bd->bi_dram[0].size = gd->ram_size;
	150	}
	151	void dram_init_banksize(void)
	152	__attribute__((weak, alias("__dram_init_banksize")));
	153
	154	init_fnc_t *init_sequence[] = {
	155	#if defined(CONFIG_ARCH_CPU_INIT)
	156	arch_cpu_init, /* basic arch cpu dependent setup */
	157	#endif
	158	#if defined(CONFIG_PMU) \|\| defined(CONFIG_PCU)
	159	#ifndef CONFIG_SKIP_LOWLEVEL_INIT
	160	pmu_init,
	161	#endif
	162	#endif
	163	board_init, /* basic board dependent setup */
	164	#if defined(CONFIG_USE_IRQ)
	165	interrupt_init, /* set up exceptions */
	166	#endif
	167	timer_init, /* initialize timer */
	168	env_init, /* initialize environment */
	169	init_baudrate, /* initialze baudrate settings */
	170	serial_init, /* serial communications setup */
	171	console_init_f, /* stage 1 init of console */
	172	#if defined(CONFIG_DISPLAY_BOARDINFO)
	173	checkboard, /* display board info */
	174	#endif
	175	#if defined(CONFIG_HARD_I2C) \|\| defined(CONFIG_SOFT_I2C)
	176	init_func_i2c,
	177	#endif
	178	dram_init, /* configure available RAM banks */
	179	display_dram_config,
	180	NULL,
	181	};
	182
	183	void board_init_f(ulong bootflag)
184	{
185	bd_t *bd;
186	init_fnc_t **init_fnc_ptr;
187	gd_t *id;
188	ulong addr, addr_sp;
189
190	/* Pointer is writable since we allocated a register for it */
191	gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
192
193	memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
194
195	gd->mon_len = (unsigned int)(&__bss_end__) - (unsigned int)(&_start);
196
197	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
198	if ((*init_fnc_ptr)() != 0)
199	hang();
200	}
201
202	debug("monitor len: %08lX\n", gd->mon_len);
203	/*
204	* Ram is setup, size stored in gd !!
205	*/
206	debug("ramsize: %08lX\n", gd->ram_size);
207
208	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
209
210	#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
211	/* reserve TLB table */
212	addr -= (4096 * 4);
213
214	/* round down to next 64 kB limit */
215	addr &= ~(0x10000 - 1);
216
217	gd->tlb_addr = addr;
218	debug("TLB table at: %08lx\n", addr);
219	#endif
220
221	/* round down to next 4 kB limit */
222	addr &= ~(4096 - 1);
223	debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
224
225	#ifdef CONFIG_LCD
226	#ifdef CONFIG_FB_ADDR
227	gd->fb_base = CONFIG_FB_ADDR;
228	#else
229	/* reserve memory for LCD display (always full pages) */
230	addr = lcd_setmem(addr);
231	gd->fb_base = addr;
232	#endif /* CONFIG_FB_ADDR */
233	#endif /* CONFIG_LCD */
234
235	/*
236	* reserve memory for U-Boot code, data & bss
237	* round down to next 4 kB limit
238	*/
239	addr -= gd->mon_len;
240	addr &= ~(4096 - 1);
241
242	debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
243
244	/*
245	* reserve memory for malloc() arena
246	*/
247	addr_sp = addr - TOTAL_MALLOC_LEN;
248	debug("Reserving %dk for malloc() at: %08lx\n",
249	TOTAL_MALLOC_LEN >> 10, addr_sp);
250	/*
251	* (permanently) allocate a Board Info struct
252	* and a permanent copy of the "global" data
253	*/
254	addr_sp -= GENERATED_BD_INFO_SIZE;
255	bd = (bd_t *) addr_sp;
256	gd->bd = bd;
257	memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
258	debug("Reserving %zu Bytes for Board Info at: %08lx\n",
259	GENERATED_BD_INFO_SIZE, addr_sp);
260
261	addr_sp -= GENERATED_GBL_DATA_SIZE;
262	id = (gd_t *) addr_sp;
263	debug("Reserving %zu Bytes for Global Data at: %08lx\n",
264	GENERATED_GBL_DATA_SIZE, addr_sp);
265
266	/* setup stackpointer for exeptions */
267	gd->irq_sp = addr_sp;
268	#ifdef CONFIG_USE_IRQ
269	addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
270	debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
271	CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
272	#endif
273	/* leave 3 words for abort-stack */
274	addr_sp -= 12;
275
276	/* 8-byte alignment for ABI compliance */
277	addr_sp &= ~0x07;
278	debug("New Stack Pointer is: %08lx\n", addr_sp);
279
280	gd->bd->bi_baudrate = gd->baudrate;
281	/* Ram isn't board specific, so move it to board code ... */
282	dram_init_banksize();
283	display_dram_config(); /* and display it */
284
285	gd->relocaddr = addr;
286	gd->start_addr_sp = addr_sp;
287
288	gd->reloc_off = addr - _TEXT_BASE;
289
290	debug("relocation Offset is: %08lx\n", gd->reloc_off);
291	memcpy(id, (void *)gd, GENERATED_GBL_DATA_SIZE);
292
293	relocate_code(addr_sp, id, addr);
294
295	/* NOTREACHED - relocate_code() does not return */
296	}
297
298	/*
299	* This is the next part if the initialization sequence: we are now
300	* running from RAM and have a "normal" C environment, i. e. global
301	* data can be written, BSS has been cleared, the stack size in not
302	* that critical any more, etc.
303	*/
304	void board_init_r(gd_t *id, ulong dest_addr)
305	{
463d47f6 ML	306	bd_t *bd;
	307	ulong malloc_start;
	308
463d47f6 ML	309	gd = id;
	310	bd = gd->bd;
	311
	312	gd->flags \|= GD_FLG_RELOC; /* tell others: relocation done */
	313
	314	monitor_flash_len = &_end - &_start;
	315	debug("monitor flash len: %08lX\n", monitor_flash_len);
	316
	317	board_init(); /* Setup chipselects */
	318
	319	#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	320	/*
	321	* We have to relocate the command table manually
	322	*/
	323	fixup_cmdtable(&__u_boot_cmd_start,
	324	(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
	325	#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
	326
	327	#ifdef CONFIG_SERIAL_MULTI
	328	serial_initialize();
	329	#endif
	330
	331	debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
	332
	333	/* The Malloc area is immediately below the monitor copy in DRAM */
	334	malloc_start = dest_addr - TOTAL_MALLOC_LEN;
	335	mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);
	336	malloc_bin_reloc();
	337
	338	#ifndef CONFIG_SYS_NO_FLASH
	339	/* configure available FLASH banks */
	340	gd->bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
	341	gd->bd->bi_flashsize = flash_init();
	342	gd->bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + gd->bd->bi_flashsize;
	343
	344	if (gd->bd->bi_flashsize)
	345	display_flash_config(gd->bd->bi_flashsize);
	346	#endif /* CONFIG_SYS_NO_FLASH */
	347
	348	#if defined(CONFIG_CMD_NAND)
	349	puts("NAND: ");
	350	nand_init(); /* go init the NAND */
	351	#endif
	352
a2308547 ML	353	#if defined(CONFIG_CMD_IDE)
	354	puts("IDE: ");
	355	ide_init();
	356	#endif
	357
463d47f6 ML	358	#ifdef CONFIG_GENERIC_MMC
	359	puts("MMC: ");
	360	mmc_initialize(gd->bd);
	361	#endif
	362
	363	/* initialize environment */
	364	env_relocate();
	365
	366	#if defined(CONFIG_CMD_PCI) \|\| defined(CONFIG_PCI)
4ef80679	367	puts("PCI: ");
463d47f6 ML	368	nds32_pci_init();
	369	#endif
	370
463d47f6 ML	371	stdio_init(); /* get the devices list going. */
	372
	373	jumptable_init();
	374
	375	#if defined(CONFIG_API)
	376	/* Initialize API */
	377	api_init();
	378	#endif
	379
	380	console_init_r(); /* fully init console as a device */
	381
	382	#if defined(CONFIG_ARCH_MISC_INIT)
	383	/* miscellaneous arch dependent initialisations */
	384	arch_misc_init();
	385	#endif
	386	#if defined(CONFIG_MISC_INIT_R)
	387	/* miscellaneous platform dependent initialisations */
	388	misc_init_r();
	389	#endif
	390
	391	#if defined(CONFIG_USE_IRQ)
	392	/* set up exceptions */
	393	interrupt_init();
	394	/* enable exceptions */
	395	enable_interrupts();
	396	#endif
	397
	398	/* Initialize from environment */
569bc625	399	load_addr = getenv_ulong("loadaddr", 16, load_addr);
463d47f6	400
463d47f6 ML	401	#ifdef BOARD_LATE_INIT
	402	board_late_init();
	403	#endif
	404
	405	#if defined(CONFIG_CMD_NET)
	406	puts("Net: ");
	407
	408	eth_initialize(gd->bd);
	409	#if defined(CONFIG_RESET_PHY_R)
	410	debug("Reset Ethernet PHY\n");
	411	reset_phy();
	412	#endif
	413	#endif
	414
	415	/* main_loop() can return to retry autoboot, if so just run it again. */
	416	for (;;)
	417	main_loop();
	418
	419	/* NOTREACHED - no way out of command loop except booting */
	420	}
	421
	422	void hang(void)
	423	{
	424	puts("### ERROR ### Please RESET the board ###\n");
	425	for (;;)
	426	;
	427	}