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