[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)
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

/*
 * 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)
{
	char *s;
	bd_t *bd;
	ulong malloc_start;

	extern void malloc_bin_reloc(void);

	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)
	106	static int pmu_init(void)
	107	{
	108	#if defined(CONFIG_FTPMU010_POWER)
	109	#ifdef __NDS32_N1213_43U1H__ /* AG101: internal definition in toolchain */
	110	ftpmu010_sdram_clk_disable(CONFIG_SYS_FTPMU010_PDLLCR0_HCLKOUTDIS);
	111	ftpmu010_mfpsr_select_dev(FTPMU010_MFPSR_AC97CLKSEL);
	112	ftpmu010_sdramhtc_set(CONFIG_SYS_FTPMU010_SDRAMHTC);
	113	#endif /* __NDS32_N1213_43U1H__ */
	114	#endif
	115	return 0;
	116	}
	117	#endif
118
119	/*
120	* Breathe some life into the board...
121	*
122	* Initialize a serial port as console, and carry out some hardware
123	* tests.
124	*
125	* The first part of initialization is running from Flash memory;
126	* its main purpose is to initialize the RAM so that we
127	* can relocate the monitor code to RAM.
128	*/
129
130	/*
131	* All attempts to come up with a "common" initialization sequence
132	* that works for all boards and architectures failed: some of the
133	* requirements are just _too_ different. To get rid of the resulting
134	* mess of board dependent #ifdef'ed code we now make the whole
135	* initialization sequence configurable to the user.
136	*
137	* The requirements for any new initalization function is simple: it
138	* receives a pointer to the "global data" structure as it's only
139	* argument, and returns an integer return code, where 0 means
140	* "continue" and != 0 means "fatal error, hang the system".
141	*/
142	typedef int (init_fnc_t)(void);
143
144	void __dram_init_banksize(void)
145	{
146	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
147	gd->bd->bi_dram[0].size = gd->ram_size;
148	}
149	void dram_init_banksize(void)
150	__attribute__((weak, alias("__dram_init_banksize")));
151
152	init_fnc_t *init_sequence[] = {
153	#if defined(CONFIG_ARCH_CPU_INIT)
154	arch_cpu_init, /* basic arch cpu dependent setup */
155	#endif
156	#if defined(CONFIG_PMU) \|\| defined(CONFIG_PCU)
157	#ifndef CONFIG_SKIP_LOWLEVEL_INIT
158	pmu_init,
159	#endif
160	#endif
161	board_init, /* basic board dependent setup */
162	#if defined(CONFIG_USE_IRQ)
163	interrupt_init, /* set up exceptions */
164	#endif
165	timer_init, /* initialize timer */
166	env_init, /* initialize environment */
167	init_baudrate, /* initialze baudrate settings */
168	serial_init, /* serial communications setup */
169	console_init_f, /* stage 1 init of console */
170	#if defined(CONFIG_DISPLAY_BOARDINFO)
171	checkboard, /* display board info */
172	#endif
173	#if defined(CONFIG_HARD_I2C) \|\| defined(CONFIG_SOFT_I2C)
174	init_func_i2c,
175	#endif
176	dram_init, /* configure available RAM banks */
177	display_dram_config,
178	NULL,
179	};
180
181	void board_init_f(ulong bootflag)
182	{
183	bd_t *bd;
184	init_fnc_t **init_fnc_ptr;
185	gd_t *id;
186	ulong addr, addr_sp;
187
188	/* Pointer is writable since we allocated a register for it */
189	gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
190
191	memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
192
193	gd->mon_len = (unsigned int)(&__bss_end__) - (unsigned int)(&_start);
194
195	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
196	if ((*init_fnc_ptr)() != 0)
197	hang();
198	}
199
200	debug("monitor len: %08lX\n", gd->mon_len);
201	/*
202	* Ram is setup, size stored in gd !!
203	*/
204	debug("ramsize: %08lX\n", gd->ram_size);
205
206	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
207
208	#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
209	/* reserve TLB table */
210	addr -= (4096 * 4);
211
212	/* round down to next 64 kB limit */
213	addr &= ~(0x10000 - 1);
214
215	gd->tlb_addr = addr;
216	debug("TLB table at: %08lx\n", addr);
217	#endif
218
219	/* round down to next 4 kB limit */
220	addr &= ~(4096 - 1);
221	debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
222
223	#ifdef CONFIG_LCD
224	#ifdef CONFIG_FB_ADDR
225	gd->fb_base = CONFIG_FB_ADDR;
226	#else
227	/* reserve memory for LCD display (always full pages) */
228	addr = lcd_setmem(addr);
229	gd->fb_base = addr;
230	#endif /* CONFIG_FB_ADDR */
231	#endif /* CONFIG_LCD */
232
233	/*
234	* reserve memory for U-Boot code, data & bss
235	* round down to next 4 kB limit
236	*/
237	addr -= gd->mon_len;
238	addr &= ~(4096 - 1);
239
240	debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
241
242	/*
243	* reserve memory for malloc() arena
244	*/
245	addr_sp = addr - TOTAL_MALLOC_LEN;
246	debug("Reserving %dk for malloc() at: %08lx\n",
247	TOTAL_MALLOC_LEN >> 10, addr_sp);
248	/*
249	* (permanently) allocate a Board Info struct
250	* and a permanent copy of the "global" data
251	*/
252	addr_sp -= GENERATED_BD_INFO_SIZE;
253	bd = (bd_t *) addr_sp;
254	gd->bd = bd;
255	memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
256	debug("Reserving %zu Bytes for Board Info at: %08lx\n",
257	GENERATED_BD_INFO_SIZE, addr_sp);
258
259	addr_sp -= GENERATED_GBL_DATA_SIZE;
260	id = (gd_t *) addr_sp;
261	debug("Reserving %zu Bytes for Global Data at: %08lx\n",
262	GENERATED_GBL_DATA_SIZE, addr_sp);
263
264	/* setup stackpointer for exeptions */
265	gd->irq_sp = addr_sp;
266	#ifdef CONFIG_USE_IRQ
267	addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
268	debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
269	CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
270	#endif
271	/* leave 3 words for abort-stack */
272	addr_sp -= 12;
273
274	/* 8-byte alignment for ABI compliance */
275	addr_sp &= ~0x07;
276	debug("New Stack Pointer is: %08lx\n", addr_sp);
277
278	gd->bd->bi_baudrate = gd->baudrate;
279	/* Ram isn't board specific, so move it to board code ... */
280	dram_init_banksize();
281	display_dram_config(); /* and display it */
282
283	gd->relocaddr = addr;
284	gd->start_addr_sp = addr_sp;
285
286	gd->reloc_off = addr - _TEXT_BASE;
287
288	debug("relocation Offset is: %08lx\n", gd->reloc_off);
289	memcpy(id, (void *)gd, GENERATED_GBL_DATA_SIZE);
290
291	relocate_code(addr_sp, id, addr);
292
293	/* NOTREACHED - relocate_code() does not return */
294	}
295
296	/*
297	* This is the next part if the initialization sequence: we are now
298	* running from RAM and have a "normal" C environment, i. e. global
299	* data can be written, BSS has been cleared, the stack size in not
300	* that critical any more, etc.
301	*/
302	void board_init_r(gd_t *id, ulong dest_addr)
303	{
304	char *s;
305	bd_t *bd;
306	ulong malloc_start;
307
308	extern void malloc_bin_reloc(void);
309
310	gd = id;
311	bd = gd->bd;
312
313	gd->flags \|= GD_FLG_RELOC; /* tell others: relocation done */
314
315	monitor_flash_len = &_end - &_start;
316	debug("monitor flash len: %08lX\n", monitor_flash_len);
317
318	board_init(); /* Setup chipselects */
319
320	#if defined(CONFIG_NEEDS_MANUAL_RELOC)
321	/*
322	* We have to relocate the command table manually
323	*/
324	fixup_cmdtable(&__u_boot_cmd_start,
325	(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
326	#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
327
328	#ifdef CONFIG_SERIAL_MULTI
329	serial_initialize();
330	#endif
331
332	debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
333
334	/* The Malloc area is immediately below the monitor copy in DRAM */
335	malloc_start = dest_addr - TOTAL_MALLOC_LEN;
336	mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);
337	malloc_bin_reloc();
338
339	#ifndef CONFIG_SYS_NO_FLASH
340	/* configure available FLASH banks */
341	gd->bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
342	gd->bd->bi_flashsize = flash_init();
343	gd->bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + gd->bd->bi_flashsize;
344
345	if (gd->bd->bi_flashsize)
346	display_flash_config(gd->bd->bi_flashsize);
347	#endif /* CONFIG_SYS_NO_FLASH */
348
349	#if defined(CONFIG_CMD_NAND)
350	puts("NAND: ");
351	nand_init(); /* go init the NAND */
352	#endif
353
a2308547 ML	354	#if defined(CONFIG_CMD_IDE)
	355	puts("IDE: ");
	356	ide_init();
	357	#endif
	358
463d47f6 ML	359	#ifdef CONFIG_GENERIC_MMC
	360	puts("MMC: ");
	361	mmc_initialize(gd->bd);
	362	#endif
	363
	364	/* initialize environment */
	365	env_relocate();
	366
	367	#if defined(CONFIG_CMD_PCI) \|\| defined(CONFIG_PCI)
4ef80679	368	puts("PCI: ");
463d47f6 ML	369	nds32_pci_init();
	370	#endif
	371
463d47f6 ML	372	stdio_init(); /* get the devices list going. */
	373
	374	jumptable_init();
	375
	376	#if defined(CONFIG_API)
	377	/* Initialize API */
	378	api_init();
	379	#endif
	380
	381	console_init_r(); /* fully init console as a device */
	382
	383	#if defined(CONFIG_ARCH_MISC_INIT)
	384	/* miscellaneous arch dependent initialisations */
	385	arch_misc_init();
	386	#endif
	387	#if defined(CONFIG_MISC_INIT_R)
	388	/* miscellaneous platform dependent initialisations */
	389	misc_init_r();
	390	#endif
	391
	392	#if defined(CONFIG_USE_IRQ)
	393	/* set up exceptions */
	394	interrupt_init();
	395	/* enable exceptions */
	396	enable_interrupts();
	397	#endif
	398
	399	/* Initialize from environment */
569bc625	400	load_addr = getenv_ulong("loadaddr", 16, load_addr);
463d47f6	401
463d47f6 ML	402	#ifdef BOARD_LATE_INIT
	403	board_late_init();
	404	#endif
	405
	406	#if defined(CONFIG_CMD_NET)
	407	puts("Net: ");
	408
	409	eth_initialize(gd->bd);
	410	#if defined(CONFIG_RESET_PHY_R)
	411	debug("Reset Ethernet PHY\n");
	412	reset_phy();
	413	#endif
	414	#endif
	415
	416	/* main_loop() can return to retry autoboot, if so just run it again. */
	417	for (;;)
	418	main_loop();
	419
	420	/* NOTREACHED - no way out of command loop except booting */
	421	}
	422
	423	void hang(void)
	424	{
	425	puts("### ERROR ### Please RESET the board ###\n");
	426	for (;;)
	427	;
	428	}