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 /* Common ARM Erratas */
20 #define CONFIG_ARM_ERRATA_454179
21 #define CONFIG_ARM_ERRATA_430973
22 #define CONFIG_ARM_ERRATA_621766
23 
24 #define CONFIG_SYS_TEXT_BASE 0x80008000
25 
26 #define CONFIG_EMIF4	/* The chip has EMIF4 controller */
27 
28 #include <asm/arch/cpu.h>		/* get chip and board defs */
29 #include <asm/arch/omap.h>
30 
31 /*
32  * Display CPU and Board information
33  */
34 #define CONFIG_DISPLAY_CPUINFO
35 #define CONFIG_DISPLAY_BOARDINFO
36 
37 /* Clock Defines */
38 #define V_OSCK			26000000	/* Clock output from T2 */
39 #define V_SCLK			(V_OSCK >> 1)
40 
41 #define CONFIG_MISC_INIT_R
42 
43 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
44 #define CONFIG_SETUP_MEMORY_TAGS
45 #define CONFIG_INITRD_TAG
46 #define CONFIG_REVISION_TAG
47 
48 /*
49  * Size of malloc() pool
50  */
51 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
52 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10) + \
53 					2 * 1024 * 1024)
54 /*
55  * DDR related
56  */
57 #define CONFIG_OMAP3_MICRON_DDR		/* Micron DDR */
58 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
59 
60 /*
61  * Hardware drivers
62  */
63 
64 /*
65  * NS16550 Configuration
66  */
67 #define CONFIG_SYS_NS16550_SERIAL
68 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
69 #define CONFIG_SYS_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */
70 
71 /*
72  * select serial console configuration
73  */
74 #define CONFIG_CONS_INDEX		1
75 #define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1
76 #define CONFIG_SERIAL1			/* UART1 */
77 
78 /* allow to overwrite serial and ethaddr */
79 #define CONFIG_ENV_OVERWRITE
80 #define CONFIG_BAUDRATE			115200
81 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
82 					115200}
83 #define CONFIG_MMC
84 #define CONFIG_OMAP_HSMMC
85 #define CONFIG_GENERIC_MMC
86 #define CONFIG_DOS_PARTITION
87 
88 /* EHCI */
89 #define CONFIG_OMAP3_GPIO_5
90 #define CONFIG_USB_EHCI
91 #define CONFIG_USB_EHCI_OMAP
92 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25
93 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
94 
95 /* commands to include */
96 #define CONFIG_CMD_NAND		/* NAND support			*/
97 #define CONFIG_CMD_EEPROM
98 
99 #define CONFIG_SYS_NO_FLASH
100 #define CONFIG_SYS_I2C
101 #define CONFIG_SYS_OMAP24_I2C_SPEED	400000
102 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
103 #define CONFIG_SYS_I2C_OMAP34XX
104 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
105 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
106 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07
107 
108 /*
109  * Board NAND Info.
110  */
111 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
112 							/* to access */
113 							/* nand at CS0 */
114 
115 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
116 							/* NAND devices */
117 
118 #define CONFIG_AUTO_COMPLETE
119 
120 /*
121  * Miscellaneous configurable options
122  */
123 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
124 #define CONFIG_CMDLINE_EDITING
125 #define CONFIG_AUTO_COMPLETE
126 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
127 
128 /* Print Buffer Size */
129 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
130 					sizeof(CONFIG_SYS_PROMPT) + 16)
131 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
132 						/* args */
133 /* Boot Argument Buffer Size */
134 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
135 /* memtest works on */
136 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
137 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
138 					0x01F00000) /* 31MB */
139 
140 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
141 								/* address */
142 
143 /*
144  * AM3517 has 12 GP timers, they can be driven by the system clock
145  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
146  * This rate is divided by a local divisor.
147  */
148 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
149 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
150 
151 /*
152  * Physical Memory Map
153  */
154 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
155 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
156 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
157 
158 /*
159  * FLASH and environment organization
160  */
161 
162 /* **** PISMO SUPPORT *** */
163 #define CONFIG_NAND
164 #define CONFIG_NAND_OMAP_GPMC
165 #define CONFIG_ENV_IS_IN_NAND
166 #define SMNAND_ENV_OFFSET		0x180000 /* environment starts here */
167 
168 /* Redundant Environment */
169 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
170 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
171 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
172 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
173 						2 * CONFIG_SYS_ENV_SECT_SIZE)
174 #define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
175 
176 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
177 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
178 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
179 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
180 					 CONFIG_SYS_INIT_RAM_SIZE - \
181 					 GENERATED_GBL_DATA_SIZE)
182 
183 /*
184  * ethernet support, EMAC
185  *
186  */
187 #define CONFIG_DRIVER_TI_EMAC
188 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
189 #define CONFIG_MII
190 #define CONFIG_EMAC_MDIO_PHY_NUM	0
191 #define CONFIG_BOOTP_DNS
192 #define CONFIG_BOOTP_DNS2
193 #define CONFIG_BOOTP_SEND_HOSTNAME
194 #define CONFIG_NET_RETRY_COUNT 10
195 
196 /* Defines for SPL */
197 #define CONFIG_SPL_FRAMEWORK
198 #define CONFIG_SPL_BOARD_INIT
199 #define CONFIG_SPL_CONSOLE
200 #define CONFIG_SPL_NAND_SIMPLE
201 #define CONFIG_SPL_NAND_SOFTECC
202 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */
203 
204 #define CONFIG_SPL_NAND_BASE
205 #define CONFIG_SPL_NAND_DRIVERS
206 #define CONFIG_SPL_NAND_ECC
207 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
208 
209 #define CONFIG_SPL_TEXT_BASE		0x40200000 /*CONFIG_SYS_SRAM_START*/
210 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
211 					 CONFIG_SPL_TEXT_BASE)
212 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
213 
214 #define CONFIG_SYS_SPL_MALLOC_START	0x8f000000
215 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
216 #define CONFIG_SPL_BSS_START_ADDR	0x8f080000 /* end of RAM */
217 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
218 
219 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
220 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
221 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
222 
223 /* FAT */
224 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
225 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"args"
226 
227 /* RAW SD card / eMMC */
228 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
229 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
230 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */
231 
232 /* NAND boot config */
233 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
234 #define CONFIG_SYS_NAND_PAGE_COUNT	64
235 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
236 #define CONFIG_SYS_NAND_OOBSIZE		64
237 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
238 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
239 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
240 #define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47,\
241 					 48, 49, 50, 51, 52, 53, 54, 55,\
242 					 56, 57, 58, 59, 60, 61, 62, 63}
243 #define CONFIG_SYS_NAND_ECCSIZE		256
244 #define CONFIG_SYS_NAND_ECCBYTES	3
245 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_SW
246 #define CONFIG_NAND_OMAP_GPMC_PREFETCH
247 
248 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
249 
250 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
251 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
252 
253 #define CONFIG_CMD_UBIFS
254 #define CONFIG_RBTREE
255 #define CONFIG_LZO
256 #define CONFIG_MTD_PARTITIONS
257 #define CONFIG_MTD_DEVICE
258 #define CONFIG_CMD_MTDPARTS
259 
260 /* Setup MTD for NAND on the SOM */
261 #define MTDIDS_DEFAULT		"nand0=omap2-nand.0"
262 #define MTDPARTS_DEFAULT	"mtdparts=omap2-nand.0:512k(MLO)," \
263 				"1m(u-boot),256k(env1)," \
264 				"256k(env2),6m(kernel),-(rootfs)"
265 
266 #define	CONFIG_TAM3517_SETTINGS						\
267 	"netdev=eth0\0"							\
268 	"nandargs=setenv bootargs root=${nandroot} "			\
269 		"rootfstype=${nandrootfstype}\0"			\
270 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
271 		"nfsroot=${serverip}:${rootpath}\0"			\
272 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
273 	"addip_sta=setenv bootargs ${bootargs} "			\
274 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
275 		":${hostname}:${netdev}:off panic=1\0"			\
276 	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0"		\
277 	"addip=if test -n ${ipdyn};then run addip_dyn;"			\
278 		"else run addip_sta;fi\0"				\
279 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
280 	"addtty=setenv bootargs ${bootargs}"				\
281 		" console=ttyO0,${baudrate}\0"				\
282 	"addmisc=setenv bootargs ${bootargs} ${misc}\0"			\
283 	"loadaddr=82000000\0"						\
284 	"kernel_addr_r=82000000\0"					\
285 	"hostname=" __stringify(CONFIG_HOSTNAME) "\0"			\
286 	"bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"		\
287 	"flash_self=run ramargs addip addtty addmtd addmisc;"		\
288 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
289 	"flash_nfs=run nfsargs addip addtty addmtd addmisc;"		\
290 		"bootm ${kernel_addr}\0"				\
291 	"nandboot=run nandargs addip addtty addmtd addmisc;"		\
292 		"nand read ${kernel_addr_r} kernel\0"			\
293 		"bootm ${kernel_addr_r}\0"				\
294 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
295 		"run nfsargs addip addtty addmtd addmisc;"		\
296 		"bootm ${kernel_addr_r}\0"				\
297 	"net_self=if run net_self_load;then "				\
298 		"run ramargs addip addtty addmtd addmisc;"		\
299 		"bootm ${kernel_addr_r} ${ramdisk_addr_r};"		\
300 		"else echo Images not loades;fi\0"			\
301 	"u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.img\0"		\
302 	"load=tftp ${loadaddr} ${u-boot}\0"				\
303 	"loadmlo=tftp ${loadaddr} ${mlo}\0"				\
304 	"mlo=" __stringify(CONFIG_HOSTNAME) "/MLO\0"			\
305 	"uboot_addr=0x80000\0"						\
306 	"update=nandecc sw;nand erase ${uboot_addr} 100000;"		\
307 		"nand write ${loadaddr} ${uboot_addr} 80000\0"		\
308 	"updatemlo=nandecc hw;nand erase 0 20000;"			\
309 		"nand write ${loadaddr} 0 20000\0"			\
310 	"upd=if run load;then echo Updating u-boot;if run update;"	\
311 		"then echo U-Boot updated;"				\
312 			"else echo Error updating u-boot !;"		\
313 			"echo Board without bootloader !!;"		\
314 		"fi;"							\
315 		"else echo U-Boot not downloaded..exiting;fi\0"		\
316 
317 /*
318  * this is common code for all TAM3517 boards.
319  * MAC address is stored from manufacturer in
320  * I2C EEPROM
321  */
322 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
323 /*
324  * The I2C EEPROM on the TAM3517 contains
325  * mac address and production data
326  */
327 struct tam3517_module_info {
328 	char customer[48];
329 	char product[48];
330 
331 	/*
332 	 * bit 0~47  : sequence number
333 	 * bit 48~55 : week of year, from 0.
334 	 * bit 56~63 : year
335 	 */
336 	unsigned long long sequence_number;
337 
338 	/*
339 	 * bit 0~7   : revision fixed
340 	 * bit 8~15  : revision major
341 	 * bit 16~31 : TNxxx
342 	 */
343 	unsigned int revision;
344 	unsigned char eth_addr[4][8];
345 	unsigned char _rev[100];
346 };
347 
348 #define TAM3517_READ_EEPROM(info, ret) \
349 do {								\
350 	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
351 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
352 		(void *)info, sizeof(*info)))			\
353 		ret = 1;					\
354 	else							\
355 		ret = 0;					\
356 } while (0)
357 
358 #define TAM3517_READ_MAC_FROM_EEPROM(info)			\
359 do {								\
360 	char buf[80], ethname[20];				\
361 	int i;							\
362 	memset(buf, 0, sizeof(buf));				\
363 	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) {	\
364 		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",	\
365 			(info)->eth_addr[i][5],			\
366 			(info)->eth_addr[i][4],			\
367 			(info)->eth_addr[i][3],			\
368 			(info)->eth_addr[i][2],			\
369 			(info)->eth_addr[i][1],			\
370 			(info)->eth_addr[i][0]);			\
371 								\
372 		if (i)						\
373 			sprintf(ethname, "eth%daddr", i);	\
374 		else						\
375 			strcpy(ethname, "ethaddr");		\
376 		printf("Setting %s from EEPROM with %s\n", ethname, buf);\
377 		setenv(ethname, buf);				\
378 	}							\
379 } while (0)
380 
381 /* The following macros are taken from Technexion's documentation */
382 #define TAM3517_sequence_number(info) \
383 	((info)->sequence_number % 0x1000000000000LL)
384 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
385 #define TAM3517_year(info) ((info)->sequence_number >> 56)
386 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
387 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
388 #define TAM3517_revision_tn(info) ((info)->revision >> 16)
389 
390 #define TAM3517_PRINT_SOM_INFO(info)				\
391 do {								\
392 	printf("Vendor:%s\n", (info)->customer);		\
393 	printf("SOM:   %s\n", (info)->product);			\
394 	printf("SeqNr: %02llu%02llu%012llu\n",			\
395 		TAM3517_year(info),				\
396 		TAM3517_week_of_year(info),			\
397 		TAM3517_sequence_number(info));			\
398 	printf("Rev:   TN%u %u.%u\n",				\
399 		TAM3517_revision_tn(info),			\
400 		TAM3517_revision_major(info),			\
401 		TAM3517_revision_fixed(info));			\
402 } while (0)
403 
404 #endif
405 
406 #endif /* __TAM3517_H */
407