1 /*
2  * Copyright (C) 2011
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * Copyright (C) 2009 TechNexion Ltd.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __TAM3517_H
11 #define __TAM3517_H
12 
13 /*
14  * High Level Configuration Options
15  */
16 #define CONFIG_OMAP		/* in a TI OMAP core */
17 #define CONFIG_OMAP_GPIO
18 #define CONFIG_OMAP_COMMON
19 #define CONFIG_SYS_GENERIC_BOARD
20 /* Common ARM Erratas */
21 #define CONFIG_ARM_ERRATA_454179
22 #define CONFIG_ARM_ERRATA_430973
23 #define CONFIG_ARM_ERRATA_621766
24 
25 #define CONFIG_SYS_TEXT_BASE 0x80008000
26 
27 #define CONFIG_SYS_CACHELINE_SIZE	64
28 
29 #define CONFIG_EMIF4	/* The chip has EMIF4 controller */
30 
31 #include <asm/arch/cpu.h>		/* get chip and board defs */
32 #include <asm/arch/omap.h>
33 
34 /*
35  * Display CPU and Board information
36  */
37 #define CONFIG_DISPLAY_CPUINFO
38 #define CONFIG_DISPLAY_BOARDINFO
39 
40 /* Clock Defines */
41 #define V_OSCK			26000000	/* Clock output from T2 */
42 #define V_SCLK			(V_OSCK >> 1)
43 
44 #define CONFIG_MISC_INIT_R
45 
46 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
47 #define CONFIG_SETUP_MEMORY_TAGS
48 #define CONFIG_INITRD_TAG
49 #define CONFIG_REVISION_TAG
50 
51 /*
52  * Size of malloc() pool
53  */
54 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
55 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10) + \
56 					2 * 1024 * 1024)
57 /*
58  * DDR related
59  */
60 #define CONFIG_OMAP3_MICRON_DDR		/* Micron DDR */
61 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
62 
63 /*
64  * Hardware drivers
65  */
66 
67 /*
68  * NS16550 Configuration
69  */
70 #define CONFIG_SYS_NS16550
71 #define CONFIG_SYS_NS16550_SERIAL
72 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
73 #define CONFIG_SYS_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */
74 
75 /*
76  * select serial console configuration
77  */
78 #define CONFIG_CONS_INDEX		1
79 #define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1
80 #define CONFIG_SERIAL1			/* UART1 */
81 
82 /* allow to overwrite serial and ethaddr */
83 #define CONFIG_ENV_OVERWRITE
84 #define CONFIG_BAUDRATE			115200
85 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
86 					115200}
87 #define CONFIG_MMC
88 #define CONFIG_OMAP_HSMMC
89 #define CONFIG_GENERIC_MMC
90 #define CONFIG_DOS_PARTITION
91 
92 /* EHCI */
93 #define CONFIG_OMAP3_GPIO_5
94 #define CONFIG_USB_EHCI
95 #define CONFIG_USB_EHCI_OMAP
96 #define CONFIG_USB_ULPI
97 #define CONFIG_USB_ULPI_VIEWPORT_OMAP
98 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25
99 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
100 #define CONFIG_USB_STORAGE
101 
102 /* commands to include */
103 #include <config_cmd_default.h>
104 
105 #define CONFIG_CMD_CACHE
106 #define CONFIG_CMD_DHCP
107 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
108 #define CONFIG_CMD_FAT		/* FAT support			*/
109 #define CONFIG_CMD_GPIO
110 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
111 #define CONFIG_CMD_MII
112 #define CONFIG_CMD_MMC		/* MMC support			*/
113 #define CONFIG_CMD_NFS
114 #define CONFIG_CMD_NAND		/* NAND support			*/
115 #define CONFIG_CMD_PING
116 #define CONFIG_CMD_USB
117 #define CONFIG_CMD_EEPROM
118 
119 #undef CONFIG_CMD_FLASH		/* only NAND on the SOM */
120 #undef CONFIG_CMD_IMLS
121 
122 #define CONFIG_SYS_NO_FLASH
123 #define CONFIG_SYS_I2C
124 #define CONFIG_SYS_OMAP24_I2C_SPEED	400000
125 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
126 #define CONFIG_SYS_I2C_OMAP34XX
127 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
128 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
129 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07
130 
131 /*
132  * Board NAND Info.
133  */
134 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
135 							/* to access */
136 							/* nand at CS0 */
137 
138 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
139 							/* NAND devices */
140 
141 #define CONFIG_AUTO_COMPLETE
142 
143 /*
144  * Miscellaneous configurable options
145  */
146 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
147 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
148 #define CONFIG_CMDLINE_EDITING
149 #define CONFIG_AUTO_COMPLETE
150 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
151 
152 /* Print Buffer Size */
153 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
154 					sizeof(CONFIG_SYS_PROMPT) + 16)
155 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
156 						/* args */
157 /* Boot Argument Buffer Size */
158 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
159 /* memtest works on */
160 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
161 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
162 					0x01F00000) /* 31MB */
163 
164 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
165 								/* address */
166 
167 /*
168  * AM3517 has 12 GP timers, they can be driven by the system clock
169  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
170  * This rate is divided by a local divisor.
171  */
172 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
173 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
174 
175 /*
176  * Physical Memory Map
177  */
178 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
179 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
180 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
181 
182 /*
183  * FLASH and environment organization
184  */
185 
186 /* **** PISMO SUPPORT *** */
187 #define CONFIG_NAND
188 #define CONFIG_NAND_OMAP_GPMC
189 #define CONFIG_ENV_IS_IN_NAND
190 #define SMNAND_ENV_OFFSET		0x180000 /* environment starts here */
191 
192 /* Redundant Environment */
193 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
194 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
195 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
196 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
197 						2 * CONFIG_SYS_ENV_SECT_SIZE)
198 #define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
199 
200 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
201 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
202 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
203 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
204 					 CONFIG_SYS_INIT_RAM_SIZE - \
205 					 GENERATED_GBL_DATA_SIZE)
206 
207 /*
208  * ethernet support, EMAC
209  *
210  */
211 #define CONFIG_DRIVER_TI_EMAC
212 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
213 #define CONFIG_MII
214 #define CONFIG_EMAC_MDIO_PHY_NUM	0
215 #define CONFIG_BOOTP_DNS
216 #define CONFIG_BOOTP_DNS2
217 #define CONFIG_BOOTP_SEND_HOSTNAME
218 #define CONFIG_NET_RETRY_COUNT 10
219 
220 /* Defines for SPL */
221 #define CONFIG_SPL_FRAMEWORK
222 #define CONFIG_SPL_BOARD_INIT
223 #define CONFIG_SPL_CONSOLE
224 #define CONFIG_SPL_NAND_SIMPLE
225 #define CONFIG_SPL_NAND_SOFTECC
226 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */
227 
228 #define CONFIG_SPL_LIBCOMMON_SUPPORT
229 #define CONFIG_SPL_LIBDISK_SUPPORT
230 #define CONFIG_SPL_I2C_SUPPORT
231 #define CONFIG_SPL_LIBGENERIC_SUPPORT
232 #define CONFIG_SPL_SERIAL_SUPPORT
233 #define CONFIG_SPL_GPIO_SUPPORT
234 #define CONFIG_SPL_POWER_SUPPORT
235 #define CONFIG_SPL_NAND_SUPPORT
236 #define CONFIG_SPL_NAND_BASE
237 #define CONFIG_SPL_NAND_DRIVERS
238 #define CONFIG_SPL_NAND_ECC
239 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
240 
241 #define CONFIG_SPL_TEXT_BASE		0x40200000 /*CONFIG_SYS_SRAM_START*/
242 #define CONFIG_SPL_MAX_SIZE		(54 * 1024)	/* 8 KB for stack */
243 
244 #define CONFIG_SYS_SPL_MALLOC_START	0x8f000000
245 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
246 #define CONFIG_SPL_BSS_START_ADDR	0x8f080000 /* end of RAM */
247 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
248 
249 /* NAND boot config */
250 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT	16
251 #define CONFIG_SYS_NAND_PAGE_COUNT	64
252 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
253 #define CONFIG_SYS_NAND_OOBSIZE		64
254 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
255 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
256 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
257 #define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47,\
258 					 48, 49, 50, 51, 52, 53, 54, 55,\
259 					 56, 57, 58, 59, 60, 61, 62, 63}
260 #define CONFIG_SYS_NAND_ECCSIZE		256
261 #define CONFIG_SYS_NAND_ECCBYTES	3
262 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_SW
263 
264 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
265 
266 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
267 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
268 
269 #define CONFIG_OF_LIBFDT
270 #define CONFIG_FIT
271 #define CONFIG_CMD_UBI
272 #define CONFIG_CMD_UBIFS
273 #define CONFIG_RBTREE
274 #define CONFIG_LZO
275 #define CONFIG_MTD_PARTITIONS
276 #define CONFIG_MTD_DEVICE
277 #define CONFIG_CMD_MTDPARTS
278 
279 /* Setup MTD for NAND on the SOM */
280 #define MTDIDS_DEFAULT		"nand0=omap2-nand.0"
281 #define MTDPARTS_DEFAULT	"mtdparts=omap2-nand.0:512k(MLO)," \
282 				"1m(u-boot),256k(env1)," \
283 				"256k(env2),6m(kernel),-(rootfs)"
284 
285 #define	CONFIG_TAM3517_SETTINGS						\
286 	"netdev=eth0\0"							\
287 	"nandargs=setenv bootargs root=${nandroot} "			\
288 		"rootfstype=${nandrootfstype}\0"			\
289 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
290 		"nfsroot=${serverip}:${rootpath}\0"			\
291 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
292 	"addip_sta=setenv bootargs ${bootargs} "			\
293 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
294 		":${hostname}:${netdev}:off panic=1\0"			\
295 	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0"		\
296 	"addip=if test -n ${ipdyn};then run addip_dyn;"			\
297 		"else run addip_sta;fi\0"				\
298 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
299 	"addtty=setenv bootargs ${bootargs}"				\
300 		" console=ttyO0,${baudrate}\0"				\
301 	"addmisc=setenv bootargs ${bootargs} ${misc}\0"			\
302 	"loadaddr=82000000\0"						\
303 	"kernel_addr_r=82000000\0"					\
304 	"hostname=" __stringify(CONFIG_HOSTNAME) "\0"			\
305 	"bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"		\
306 	"flash_self=run ramargs addip addtty addmtd addmisc;"		\
307 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
308 	"flash_nfs=run nfsargs addip addtty addmtd addmisc;"		\
309 		"bootm ${kernel_addr}\0"				\
310 	"nandboot=run nandargs addip addtty addmtd addmisc;"		\
311 		"nand read ${kernel_addr_r} kernel\0"			\
312 		"bootm ${kernel_addr_r}\0"				\
313 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
314 		"run nfsargs addip addtty addmtd addmisc;"		\
315 		"bootm ${kernel_addr_r}\0"				\
316 	"net_self=if run net_self_load;then "				\
317 		"run ramargs addip addtty addmtd addmisc;"		\
318 		"bootm ${kernel_addr_r} ${ramdisk_addr_r};"		\
319 		"else echo Images not loades;fi\0"			\
320 	"u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.img\0"		\
321 	"load=tftp ${loadaddr} ${u-boot}\0"				\
322 	"loadmlo=tftp ${loadaddr} ${mlo}\0"				\
323 	"mlo=" __stringify(CONFIG_HOSTNAME) "/MLO\0"			\
324 	"uboot_addr=0x80000\0"						\
325 	"update=nandecc sw;nand erase ${uboot_addr} 100000;"		\
326 		"nand write ${loadaddr} ${uboot_addr} 80000\0"		\
327 	"updatemlo=nandecc hw;nand erase 0 20000;"			\
328 		"nand write ${loadaddr} 0 20000\0"			\
329 	"upd=if run load;then echo Updating u-boot;if run update;"	\
330 		"then echo U-Boot updated;"				\
331 			"else echo Error updating u-boot !;"		\
332 			"echo Board without bootloader !!;"		\
333 		"fi;"							\
334 		"else echo U-Boot not downloaded..exiting;fi\0"		\
335 
336 
337 /*
338  * this is common code for all TAM3517 boards.
339  * MAC address is stored from manufacturer in
340  * I2C EEPROM
341  */
342 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
343 /*
344  * The I2C EEPROM on the TAM3517 contains
345  * mac address and production data
346  */
347 struct tam3517_module_info {
348 	char customer[48];
349 	char product[48];
350 
351 	/*
352 	 * bit 0~47  : sequence number
353 	 * bit 48~55 : week of year, from 0.
354 	 * bit 56~63 : year
355 	 */
356 	unsigned long long sequence_number;
357 
358 	/*
359 	 * bit 0~7   : revision fixed
360 	 * bit 8~15  : revision major
361 	 * bit 16~31 : TNxxx
362 	 */
363 	unsigned int revision;
364 	unsigned char eth_addr[4][8];
365 	unsigned char _rev[100];
366 };
367 
368 #define TAM3517_READ_EEPROM(info, ret) \
369 do {								\
370 	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
371 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
372 		(void *)info, sizeof(*info)))			\
373 		ret = 1;					\
374 	else							\
375 		ret = 0;					\
376 } while (0)
377 
378 #define TAM3517_READ_MAC_FROM_EEPROM(info)			\
379 do {								\
380 	char buf[80], ethname[20];				\
381 	int i;							\
382 	memset(buf, 0, sizeof(buf));				\
383 	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) {	\
384 		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",	\
385 			(info)->eth_addr[i][5],			\
386 			(info)->eth_addr[i][4],			\
387 			(info)->eth_addr[i][3],			\
388 			(info)->eth_addr[i][2],			\
389 			(info)->eth_addr[i][1],			\
390 			(info)->eth_addr[i][0]);			\
391 								\
392 		if (i)						\
393 			sprintf(ethname, "eth%daddr", i);	\
394 		else						\
395 			sprintf(ethname, "ethaddr");		\
396 		printf("Setting %s from EEPROM with %s\n", ethname, buf);\
397 		setenv(ethname, buf);				\
398 	}							\
399 } while (0)
400 
401 /* The following macros are taken from Technexion's documentation */
402 #define TAM3517_sequence_number(info) \
403 	((info)->sequence_number % 0x1000000000000LL)
404 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
405 #define TAM3517_year(info) ((info)->sequence_number >> 56)
406 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
407 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
408 #define TAM3517_revision_tn(info) ((info)->revision >> 16)
409 
410 #define TAM3517_PRINT_SOM_INFO(info)				\
411 do {								\
412 	printf("Vendor:%s\n", (info)->customer);		\
413 	printf("SOM:   %s\n", (info)->product);			\
414 	printf("SeqNr: %02llu%02llu%012llu\n",			\
415 		TAM3517_year(info),				\
416 		TAM3517_week_of_year(info),			\
417 		TAM3517_sequence_number(info));			\
418 	printf("Rev:   TN%u %u.%u\n",				\
419 		TAM3517_revision_tn(info),			\
420 		TAM3517_revision_major(info),			\
421 		TAM3517_revision_fixed(info));			\
422 } while (0)
423 
424 #endif
425 
426 #endif /* __TAM3517_H */
427