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 
17 #define CONFIG_SYS_TEXT_BASE 0x80008000
18 
19 #define CONFIG_EMIF4	/* The chip has EMIF4 controller */
20 
21 #include <asm/arch/cpu.h>		/* get chip and board defs */
22 #include <asm/arch/omap.h>
23 
24 /* Clock Defines */
25 #define V_OSCK			26000000	/* Clock output from T2 */
26 #define V_SCLK			(V_OSCK >> 1)
27 
28 #define CONFIG_MISC_INIT_R
29 
30 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
31 #define CONFIG_SETUP_MEMORY_TAGS
32 #define CONFIG_INITRD_TAG
33 #define CONFIG_REVISION_TAG
34 
35 /*
36  * Size of malloc() pool
37  */
38 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
39 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10) + \
40 					2 * 1024 * 1024)
41 /*
42  * DDR related
43  */
44 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
45 
46 /*
47  * Hardware drivers
48  */
49 
50 /*
51  * NS16550 Configuration
52  */
53 #define CONFIG_SYS_NS16550_SERIAL
54 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
55 #define CONFIG_SYS_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */
56 
57 /*
58  * select serial console configuration
59  */
60 #define CONFIG_CONS_INDEX		1
61 #define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1
62 #define CONFIG_SERIAL1			/* UART1 */
63 
64 /* allow to overwrite serial and ethaddr */
65 #define CONFIG_ENV_OVERWRITE
66 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
67 					115200}
68 /* EHCI */
69 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25
70 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
71 
72 /* commands to include */
73 #define CONFIG_CMD_NAND		/* NAND support			*/
74 
75 #define CONFIG_SYS_I2C
76 #define CONFIG_SYS_OMAP24_I2C_SPEED	400000
77 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
78 #define CONFIG_SYS_I2C_OMAP34XX
79 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
80 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
81 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07
82 
83 /*
84  * Board NAND Info.
85  */
86 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
87 							/* to access */
88 							/* nand at CS0 */
89 
90 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
91 							/* NAND devices */
92 
93 #define CONFIG_AUTO_COMPLETE
94 
95 /*
96  * Miscellaneous configurable options
97  */
98 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
99 #define CONFIG_CMDLINE_EDITING
100 #define CONFIG_AUTO_COMPLETE
101 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
102 
103 /* Print Buffer Size */
104 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
105 					sizeof(CONFIG_SYS_PROMPT) + 16)
106 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
107 						/* args */
108 /* Boot Argument Buffer Size */
109 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
110 /* memtest works on */
111 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
112 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
113 					0x01F00000) /* 31MB */
114 
115 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
116 								/* address */
117 
118 /*
119  * AM3517 has 12 GP timers, they can be driven by the system clock
120  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
121  * This rate is divided by a local divisor.
122  */
123 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
124 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
125 
126 /*
127  * Physical Memory Map
128  */
129 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
130 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
131 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
132 
133 /*
134  * FLASH and environment organization
135  */
136 
137 /* **** PISMO SUPPORT *** */
138 #define CONFIG_NAND
139 #define CONFIG_NAND_OMAP_GPMC
140 #define CONFIG_ENV_IS_IN_NAND
141 #define SMNAND_ENV_OFFSET		0x180000 /* environment starts here */
142 
143 /* Redundant Environment */
144 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
145 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
146 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
147 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
148 						2 * CONFIG_SYS_ENV_SECT_SIZE)
149 #define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
150 
151 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
152 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
153 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
154 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
155 					 CONFIG_SYS_INIT_RAM_SIZE - \
156 					 GENERATED_GBL_DATA_SIZE)
157 
158 /*
159  * ethernet support, EMAC
160  *
161  */
162 #define CONFIG_DRIVER_TI_EMAC
163 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
164 #define CONFIG_MII
165 #define CONFIG_BOOTP_DNS
166 #define CONFIG_BOOTP_DNS2
167 #define CONFIG_BOOTP_SEND_HOSTNAME
168 #define CONFIG_NET_RETRY_COUNT 10
169 
170 /* Defines for SPL */
171 #define CONFIG_SPL_FRAMEWORK
172 #define CONFIG_SPL_CONSOLE
173 #define CONFIG_SPL_NAND_SIMPLE
174 #define CONFIG_SPL_NAND_SOFTECC
175 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */
176 
177 #define CONFIG_SPL_NAND_BASE
178 #define CONFIG_SPL_NAND_DRIVERS
179 #define CONFIG_SPL_NAND_ECC
180 #define CONFIG_SPL_LDSCRIPT		"arch/arm/mach-omap2/u-boot-spl.lds"
181 
182 #define CONFIG_SPL_TEXT_BASE		0x40200000 /*CONFIG_SYS_SRAM_START*/
183 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
184 					 CONFIG_SPL_TEXT_BASE)
185 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
186 
187 #define CONFIG_SYS_SPL_MALLOC_START	0x8f000000
188 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
189 #define CONFIG_SPL_BSS_START_ADDR	0x8f080000 /* end of RAM */
190 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
191 
192 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
193 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
194 
195 /* FAT */
196 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
197 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"args"
198 
199 /* RAW SD card / eMMC */
200 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
201 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
202 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */
203 
204 /* NAND boot config */
205 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
206 #define CONFIG_SYS_NAND_PAGE_COUNT	64
207 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
208 #define CONFIG_SYS_NAND_OOBSIZE		64
209 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
210 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
211 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
212 #define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47,\
213 					 48, 49, 50, 51, 52, 53, 54, 55,\
214 					 56, 57, 58, 59, 60, 61, 62, 63}
215 #define CONFIG_SYS_NAND_ECCSIZE		256
216 #define CONFIG_SYS_NAND_ECCBYTES	3
217 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_SW
218 #define CONFIG_NAND_OMAP_GPMC_PREFETCH
219 
220 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
221 
222 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
223 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
224 
225 #define CONFIG_CMD_UBIFS
226 #define CONFIG_RBTREE
227 #define CONFIG_LZO
228 #define CONFIG_MTD_PARTITIONS
229 #define CONFIG_MTD_DEVICE
230 #define CONFIG_CMD_MTDPARTS
231 
232 /* Setup MTD for NAND on the SOM */
233 #define MTDIDS_DEFAULT		"nand0=omap2-nand.0"
234 #define MTDPARTS_DEFAULT	"mtdparts=omap2-nand.0:512k(MLO)," \
235 				"1m(u-boot),256k(env1)," \
236 				"256k(env2),6m(kernel),-(rootfs)"
237 
238 #define	CONFIG_TAM3517_SETTINGS						\
239 	"netdev=eth0\0"							\
240 	"nandargs=setenv bootargs root=${nandroot} "			\
241 		"rootfstype=${nandrootfstype}\0"			\
242 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
243 		"nfsroot=${serverip}:${rootpath}\0"			\
244 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
245 	"addip_sta=setenv bootargs ${bootargs} "			\
246 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
247 		":${hostname}:${netdev}:off panic=1\0"			\
248 	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0"		\
249 	"addip=if test -n ${ipdyn};then run addip_dyn;"			\
250 		"else run addip_sta;fi\0"				\
251 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
252 	"addtty=setenv bootargs ${bootargs}"				\
253 		" console=ttyO0,${baudrate}\0"				\
254 	"addmisc=setenv bootargs ${bootargs} ${misc}\0"			\
255 	"loadaddr=82000000\0"						\
256 	"kernel_addr_r=82000000\0"					\
257 	"hostname=" __stringify(CONFIG_HOSTNAME) "\0"			\
258 	"bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"		\
259 	"flash_self=run ramargs addip addtty addmtd addmisc;"		\
260 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
261 	"flash_nfs=run nfsargs addip addtty addmtd addmisc;"		\
262 		"bootm ${kernel_addr}\0"				\
263 	"nandboot=run nandargs addip addtty addmtd addmisc;"		\
264 		"nand read ${kernel_addr_r} kernel\0"			\
265 		"bootm ${kernel_addr_r}\0"				\
266 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
267 		"run nfsargs addip addtty addmtd addmisc;"		\
268 		"bootm ${kernel_addr_r}\0"				\
269 	"net_self=if run net_self_load;then "				\
270 		"run ramargs addip addtty addmtd addmisc;"		\
271 		"bootm ${kernel_addr_r} ${ramdisk_addr_r};"		\
272 		"else echo Images not loades;fi\0"			\
273 	"u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.img\0"		\
274 	"load=tftp ${loadaddr} ${u-boot}\0"				\
275 	"loadmlo=tftp ${loadaddr} ${mlo}\0"				\
276 	"mlo=" __stringify(CONFIG_HOSTNAME) "/MLO\0"			\
277 	"uboot_addr=0x80000\0"						\
278 	"update=nandecc sw;nand erase ${uboot_addr} 100000;"		\
279 		"nand write ${loadaddr} ${uboot_addr} 80000\0"		\
280 	"updatemlo=nandecc hw;nand erase 0 20000;"			\
281 		"nand write ${loadaddr} 0 20000\0"			\
282 	"upd=if run load;then echo Updating u-boot;if run update;"	\
283 		"then echo U-Boot updated;"				\
284 			"else echo Error updating u-boot !;"		\
285 			"echo Board without bootloader !!;"		\
286 		"fi;"							\
287 		"else echo U-Boot not downloaded..exiting;fi\0"		\
288 
289 /*
290  * this is common code for all TAM3517 boards.
291  * MAC address is stored from manufacturer in
292  * I2C EEPROM
293  */
294 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
295 /*
296  * The I2C EEPROM on the TAM3517 contains
297  * mac address and production data
298  */
299 struct tam3517_module_info {
300 	char customer[48];
301 	char product[48];
302 
303 	/*
304 	 * bit 0~47  : sequence number
305 	 * bit 48~55 : week of year, from 0.
306 	 * bit 56~63 : year
307 	 */
308 	unsigned long long sequence_number;
309 
310 	/*
311 	 * bit 0~7   : revision fixed
312 	 * bit 8~15  : revision major
313 	 * bit 16~31 : TNxxx
314 	 */
315 	unsigned int revision;
316 	unsigned char eth_addr[4][8];
317 	unsigned char _rev[100];
318 };
319 
320 #define TAM3517_READ_EEPROM(info, ret) \
321 do {								\
322 	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
323 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
324 		(void *)info, sizeof(*info)))			\
325 		ret = 1;					\
326 	else							\
327 		ret = 0;					\
328 } while (0)
329 
330 #define TAM3517_READ_MAC_FROM_EEPROM(info)			\
331 do {								\
332 	char buf[80], ethname[20];				\
333 	int i;							\
334 	memset(buf, 0, sizeof(buf));				\
335 	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) {	\
336 		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",	\
337 			(info)->eth_addr[i][5],			\
338 			(info)->eth_addr[i][4],			\
339 			(info)->eth_addr[i][3],			\
340 			(info)->eth_addr[i][2],			\
341 			(info)->eth_addr[i][1],			\
342 			(info)->eth_addr[i][0]);			\
343 								\
344 		if (i)						\
345 			sprintf(ethname, "eth%daddr", i);	\
346 		else						\
347 			strcpy(ethname, "ethaddr");		\
348 		printf("Setting %s from EEPROM with %s\n", ethname, buf);\
349 		setenv(ethname, buf);				\
350 	}							\
351 } while (0)
352 
353 /* The following macros are taken from Technexion's documentation */
354 #define TAM3517_sequence_number(info) \
355 	((info)->sequence_number % 0x1000000000000LL)
356 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
357 #define TAM3517_year(info) ((info)->sequence_number >> 56)
358 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
359 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
360 #define TAM3517_revision_tn(info) ((info)->revision >> 16)
361 
362 #define TAM3517_PRINT_SOM_INFO(info)				\
363 do {								\
364 	printf("Vendor:%s\n", (info)->customer);		\
365 	printf("SOM:   %s\n", (info)->product);			\
366 	printf("SeqNr: %02llu%02llu%012llu\n",			\
367 		TAM3517_year(info),				\
368 		TAM3517_week_of_year(info),			\
369 		TAM3517_sequence_number(info));			\
370 	printf("Rev:   TN%u %u.%u\n",				\
371 		TAM3517_revision_tn(info),			\
372 		TAM3517_revision_major(info),			\
373 		TAM3517_revision_fixed(info));			\
374 } while (0)
375 
376 #endif
377 
378 #endif /* __TAM3517_H */
379