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git.ipfire.org Git - people/ms/u-boot.git/blob - board/bf537-stamp/bf537-stamp.c
4 * Copyright (c) 2005-2007 Analog Devices Inc.
6 * (C) Copyright 2000-2004
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * See file CREDITS for list of people who contributed to this
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.
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.
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., 51 Franklin St, Fifth Floor, Boston,
31 #include <asm/blackfin.h>
34 #include "ether_bf537.h"
37 * is_valid_ether_addr - Determine if the given Ethernet address is valid
38 * @addr: Pointer to a six-byte array containing the Ethernet address
40 * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
41 * a multicast address, and is not FF:FF:FF:FF:FF:FF.
43 * Return true if the address is valid.
45 static inline int is_valid_ether_addr(const u8
* addr
)
47 /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
48 * explicitly check for it here. */
49 return !is_multicast_ether_addr(addr
) && !is_zero_ether_addr(addr
);
52 DECLARE_GLOBAL_DATA_PTR
;
54 #define POST_WORD_ADDR 0xFF903FFC
57 * the bootldr command loads an address, checks to see if there
58 * is a Boot stream that the on-chip BOOTROM can understand,
59 * and loads it via the BOOTROM Callback. It is possible
60 * to also add booting from SPI, or TWI, but this function does
61 * not currently support that.
63 int do_bootldr(cmd_tbl_t
* cmdtp
, int flag
, int argc
, char *argv
[])
72 addr
= simple_strtoul(argv
[1], NULL
, 16);
75 /* Check if it is a LDR file */
76 data
= (ulong
*) addr
;
77 if (*data
== 0xFF800060 || *data
== 0xFF800040 || *data
== 0xFF800020) {
78 /* We want to boot from FLASH or SDRAM */
79 entry
= _BOOTROM_BOOT_DXE_FLASH
;
80 printf("## Booting ldr image at 0x%08lx ...\n", addr
);
86 __asm__("R7=%[a];\n" "P0=%[b];\n" "JUMP (P0);\n":
87 :[a
] "d"(addr
),[b
] "a"(entry
)
91 printf("## No ldr image at address 0x%08lx\n", addr
);
97 U_BOOT_CMD(bootldr
, 2, 0, do_bootldr
,
98 "bootldr - boot ldr image from memory\n",
99 "[addr]\n - boot ldr image stored in memory\n");
103 #if (BFIN_CPU == ADSP_BF534)
104 printf("CPU: ADSP BF534 Rev.: 0.%d\n", *pCHIPID
>> 28);
105 #elif (BFIN_CPU == ADSP_BF536)
106 printf("CPU: ADSP BF536 Rev.: 0.%d\n", *pCHIPID
>> 28);
108 printf("CPU: ADSP BF537 Rev.: 0.%d\n", *pCHIPID
>> 28);
110 printf("Board: ADI BF537 stamp board\n");
111 printf(" Support: http://blackfin.uclinux.org/\n");
115 #if defined(CONFIG_BFIN_IDE)
117 void cf_outb(unsigned char val
, volatile unsigned char *addr
)
123 unsigned char cf_inb(volatile unsigned char *addr
)
125 volatile unsigned char c
;
133 void cf_insw(unsigned short *sect_buf
, unsigned short *addr
, int words
)
137 for (i
= 0; i
< words
; i
++)
138 *(sect_buf
+ i
) = *(addr
);
142 void cf_outsw(unsigned short *addr
, unsigned short *sect_buf
, int words
)
146 for (i
= 0; i
< words
; i
++)
147 *(addr
) = *(sect_buf
+ i
);
150 #endif /* CONFIG_BFIN_IDE */
152 long int initdram(int board_type
)
156 char *tmp
= getenv("baudrate");
157 brate
= simple_strtoul(tmp
, NULL
, 16);
158 printf("Serial Port initialized with Baud rate = %x\n", brate
);
159 printf("SDRAM attributes:\n");
160 printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
161 "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
163 printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE
);
164 printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE
>> 20);
166 gd
->bd
->bi_memstart
= CFG_SDRAM_BASE
;
167 gd
->bd
->bi_memsize
= CFG_MAX_RAM_SIZE
;
168 return CFG_MAX_RAM_SIZE
;
171 #if defined(CONFIG_MISC_INIT_R)
172 /* miscellaneous platform dependent initialisations */
173 int misc_init_r(void)
175 #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
177 unsigned char *pMACaddr
= (unsigned char *)0x203F0000;
178 u8 SrcAddr
[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 };
180 #if defined(CONFIG_CMD_NET)
181 /* The 0xFF check here is to make sure we don't use the address
182 * in flash if it's simply been erased (aka all 0xFF values) */
183 if (getenv("ethaddr") == NULL
&& is_valid_ether_addr(pMACaddr
)) {
184 sprintf(nid
, "%02x:%02x:%02x:%02x:%02x:%02x",
185 pMACaddr
[0], pMACaddr
[1],
186 pMACaddr
[2], pMACaddr
[3], pMACaddr
[4], pMACaddr
[5]);
187 setenv("ethaddr", nid
);
189 if (getenv("ethaddr")) {
190 SetupMacAddr(SrcAddr
);
193 #endif /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */
195 #if defined(CONFIG_BFIN_IDE)
196 #if defined(CONFIG_BFIN_TRUE_IDE)
197 /* Enable ATASEL when in True IDE mode */
198 printf("Using CF True IDE Mode\n");
199 cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA
);
201 #elif defined(CONFIG_BFIN_CF_IDE)
202 /* Disable ATASEL when we're in Common Memory Mode */
203 printf("Using CF Common Memory Mode\n");
204 cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS
);
206 #elif defined(CONFIG_BFIN_HDD_IDE)
207 printf("Using HDD IDE Mode\n");
210 #endif /* CONFIG_BFIN_IDE */
213 #endif /* CONFIG_MISC_INIT_R */
216 #if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT)
217 /* Using sw10-PF5 as the hotkey */
218 int post_hotkeys_pressed(void)
223 /* Using sw10-PF5 as the hotkey */
224 int post_hotkeys_pressed(void)
228 unsigned short value
;
231 *pPORTFIO_DIR
&= ~PF5
;
232 *pPORTFIO_INEN
|= PF5
;
234 printf("########Press SW10 to enter Memory POST########: %2d ", delay
);
236 for (i
= 0; i
< 100; i
++) {
237 value
= *pPORTFIO
& PF5
;
243 printf("\b\b\b%2d ", delay
);
250 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
257 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
258 void post_word_store(ulong a
)
260 volatile ulong
*save_addr
= (volatile ulong
*)POST_WORD_ADDR
;
264 ulong
post_word_load(void)
266 volatile ulong
*save_addr
= (volatile ulong
*)POST_WORD_ADDR
;
272 int uart_post_test(int flags
)
277 #define BLOCK_SIZE 0x10000
278 #define VERIFY_ADDR 0x2000000
279 extern int erase_block_flash(int);
280 extern int write_data(long lStart
, long lCount
, uchar
* pnData
);
281 int flash_post_test(int flags
)
283 unsigned short *pbuf
, *temp
;
288 pbuf
= (unsigned short *)VERIFY_ADDR
;
290 for (n
= FLASH_START_POST_BLOCK
; n
< FLASH_END_POST_BLOCK
; n
++) {
291 offset
= (n
- 7) * BLOCK_SIZE
;
292 printf("--------Erase block:%2d..", n
);
293 erase_block_flash(n
);
295 printf("--------Program block:%2d...", n
);
296 write_data(CFG_FLASH_BASE
+ offset
, BLOCK_SIZE
, pbuf
);
298 printf("--------Verify block:%2d...", n
);
299 for (i
= 0; i
< BLOCK_SIZE
; i
+= 2) {
300 if (*(unsigned short *)(CFG_FLASH_BASE
+ offset
+ i
) !=
312 FLASH_START_POST_BLOCK
) *
313 100 / (FLASH_END_POST_BLOCK
-
314 FLASH_START_POST_BLOCK
)));
326 /****************************************************
327 * LED1 ---- PF6 LED2 ---- PF7 *
328 * LED3 ---- PF8 LED4 ---- PF9 *
329 * LED5 ---- PF10 LED6 ---- PF11 *
330 ****************************************************/
331 int led_post_test(int flags
)
333 *pPORTF_FER
&= ~(PF6
| PF7
| PF8
| PF9
| PF10
| PF11
);
334 *pPORTFIO_DIR
|= PF6
| PF7
| PF8
| PF9
| PF10
| PF11
;
335 *pPORTFIO_INEN
&= ~(PF6
| PF7
| PF8
| PF9
| PF10
| PF11
);
336 *pPORTFIO
&= ~(PF6
| PF7
| PF8
| PF9
| PF10
| PF11
);
341 printf("\b\b\b\b\b\b\b");
345 printf("\b\b\b\b\b\b\b");
349 printf("\b\b\b\b\b\b\b");
353 printf("\b\b\b\b\b\b\b");
357 printf("\b\b\b\b\b\b\b");
360 printf("\b\b\b\b\b\b\b ");
364 /************************************************
365 * SW10 ---- PF5 SW11 ---- PF4 *
366 * SW12 ---- PF3 SW13 ---- PF2 *
367 ************************************************/
368 int button_post_test(int flags
)
371 unsigned short value
= 0;
374 *pPORTF_FER
&= ~(PF5
| PF4
| PF3
| PF2
);
375 *pPORTFIO_DIR
&= ~(PF5
| PF4
| PF3
| PF2
);
376 *pPORTFIO_INEN
|= (PF5
| PF4
| PF3
| PF2
);
378 printf("\n--------Press SW10: %2d ", delay
);
380 for (i
= 0; i
< 100; i
++) {
381 value
= *pPORTFIO
& PF5
;
387 printf("\b\b\b%2d ", delay
);
393 printf("\b\bfailed");
397 printf("\n--------Press SW11: %2d ", delay
);
399 for (i
= 0; i
< 100; i
++) {
400 value
= *pPORTFIO
& PF4
;
406 printf("\b\b\b%2d ", delay
);
412 printf("\b\bfailed");
416 printf("\n--------Press SW12: %2d ", delay
);
418 for (i
= 0; i
< 100; i
++) {
419 value
= *pPORTFIO
& PF3
;
425 printf("\b\b\b%2d ", delay
);
431 printf("\b\bfailed");
435 printf("\n--------Press SW13: %2d ", delay
);
437 for (i
= 0; i
< 100; i
++) {
438 value
= *pPORTFIO
& PF2
;
444 printf("\b\b\b%2d ", delay
);
450 printf("\b\bfailed");