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