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