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