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