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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2011
4  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
5  *
6  * Copyright (C) 2009 TechNexion Ltd.
7  */
8 
9 #ifndef __TAM3517_H
10 #define __TAM3517_H
11 
12 /*
13  * High Level Configuration Options
14  */
15 
16 #include <asm/arch/cpu.h>		/* get chip and board defs */
17 #include <asm/arch/omap.h>
18 
19 /* Clock Defines */
20 #define V_OSCK			26000000	/* Clock output from T2 */
21 #define V_SCLK			(V_OSCK >> 1)
22 
23 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
24 #define CONFIG_SETUP_MEMORY_TAGS
25 #define CONFIG_INITRD_TAG
26 #define CONFIG_REVISION_TAG
27 
28 /*
29  * Size of malloc() pool
30  */
31 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10) + \
32 					2 * 1024 * 1024)
33 /*
34  * DDR related
35  */
36 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
37 
38 /*
39  * Hardware drivers
40  */
41 
42 /*
43  * NS16550 Configuration
44  */
45 #define CONFIG_SYS_NS16550_SERIAL
46 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
47 #define CONFIG_SYS_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */
48 
49 /*
50  * select serial console configuration
51  */
52 #define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1
53 
54 /* allow to overwrite serial and ethaddr */
55 #define CONFIG_ENV_OVERWRITE
56 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
57 					115200}
58 /* EHCI */
59 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25
60 
61 #define CONFIG_SYS_I2C
62 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
63 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
64 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07
65 
66 /*
67  * Board NAND Info.
68  */
69 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
70 							/* to access */
71 							/* nand at CS0 */
72 
73 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
74 							/* NAND devices */
75 
76 /*
77  * Miscellaneous configurable options
78  */
79 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
80 
81 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
82 						/* args */
83 /* memtest works on */
84 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
85 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
86 					0x01F00000) /* 31MB */
87 
88 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
89 								/* address */
90 
91 /*
92  * AM3517 has 12 GP timers, they can be driven by the system clock
93  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
94  * This rate is divided by a local divisor.
95  */
96 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
97 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
98 
99 /*
100  * Physical Memory Map
101  */
102 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
103 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
104 
105 /*
106  * FLASH and environment organization
107  */
108 
109 /* **** PISMO SUPPORT *** */
110 
111 /* Redundant Environment */
112 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
113 
114 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
115 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
116 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
117 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
118 					 CONFIG_SYS_INIT_RAM_SIZE - \
119 					 GENERATED_GBL_DATA_SIZE)
120 
121 /*
122  * ethernet support, EMAC
123  *
124  */
125 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
126 #define CONFIG_BOOTP_DNS2
127 #define CONFIG_BOOTP_SEND_HOSTNAME
128 #define CONFIG_NET_RETRY_COUNT 10
129 
130 /* Defines for SPL */
131 #define CONFIG_SPL_CONSOLE
132 #define CONFIG_SPL_NAND_SOFTECC
133 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */
134 
135 #define CONFIG_SPL_NAND_BASE
136 #define CONFIG_SPL_NAND_DRIVERS
137 #define CONFIG_SPL_NAND_ECC
138 
139 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
140 					 CONFIG_SPL_TEXT_BASE)
141 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
142 
143 #define CONFIG_SYS_SPL_MALLOC_START	0x8f000000
144 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
145 #define CONFIG_SPL_BSS_START_ADDR	0x8f080000 /* end of RAM */
146 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
147 
148 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
149 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
150 
151 /* FAT */
152 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
153 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"args"
154 
155 /* RAW SD card / eMMC */
156 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
157 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
158 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */
159 
160 /* NAND boot config */
161 #define CONFIG_SYS_NAND_PAGE_COUNT	64
162 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
163 #define CONFIG_SYS_NAND_OOBSIZE		64
164 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
165 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
166 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
167 #define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47,\
168 					 48, 49, 50, 51, 52, 53, 54, 55,\
169 					 56, 57, 58, 59, 60, 61, 62, 63}
170 #define CONFIG_SYS_NAND_ECCSIZE		256
171 #define CONFIG_SYS_NAND_ECCBYTES	3
172 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_SW
173 
174 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
175 
176 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
177 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
178 
179 /* Setup MTD for NAND on the SOM */
180 
181 #define	CONFIG_TAM3517_SETTINGS						\
182 	"netdev=eth0\0"							\
183 	"nandargs=setenv bootargs root=${nandroot} "			\
184 		"rootfstype=${nandrootfstype}\0"			\
185 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
186 		"nfsroot=${serverip}:${rootpath}\0"			\
187 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
188 	"addip_sta=setenv bootargs ${bootargs} "			\
189 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
190 		":${hostname}:${netdev}:off panic=1\0"			\
191 	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0"		\
192 	"addip=if test -n ${ipdyn};then run addip_dyn;"			\
193 		"else run addip_sta;fi\0"				\
194 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
195 	"addtty=setenv bootargs ${bootargs}"				\
196 		" console=ttyO0,${baudrate}\0"				\
197 	"addmisc=setenv bootargs ${bootargs} ${misc}\0"			\
198 	"loadaddr=82000000\0"						\
199 	"kernel_addr_r=82000000\0"					\
200 	"hostname=" CONFIG_HOSTNAME "\0"			\
201 	"bootfile=" CONFIG_HOSTNAME "/uImage\0"		\
202 	"flash_self=run ramargs addip addtty addmtd addmisc;"		\
203 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
204 	"flash_nfs=run nfsargs addip addtty addmtd addmisc;"		\
205 		"bootm ${kernel_addr}\0"				\
206 	"nandboot=run nandargs addip addtty addmtd addmisc;"		\
207 		"nand read ${kernel_addr_r} kernel\0"			\
208 		"bootm ${kernel_addr_r}\0"				\
209 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
210 		"run nfsargs addip addtty addmtd addmisc;"		\
211 		"bootm ${kernel_addr_r}\0"				\
212 	"net_self=if run net_self_load;then "				\
213 		"run ramargs addip addtty addmtd addmisc;"		\
214 		"bootm ${kernel_addr_r} ${ramdisk_addr_r};"		\
215 		"else echo Images not loades;fi\0"			\
216 	"u-boot=" CONFIG_HOSTNAME "/u-boot.img\0"		\
217 	"load=tftp ${loadaddr} ${u-boot}\0"				\
218 	"loadmlo=tftp ${loadaddr} ${mlo}\0"				\
219 	"mlo=" CONFIG_HOSTNAME "/MLO\0"			\
220 	"uboot_addr=0x80000\0"						\
221 	"update=nandecc sw;nand erase ${uboot_addr} 100000;"		\
222 		"nand write ${loadaddr} ${uboot_addr} 80000\0"		\
223 	"updatemlo=nandecc hw;nand erase 0 20000;"			\
224 		"nand write ${loadaddr} 0 20000\0"			\
225 	"upd=if run load;then echo Updating u-boot;if run update;"	\
226 		"then echo U-Boot updated;"				\
227 			"else echo Error updating u-boot !;"		\
228 			"echo Board without bootloader !!;"		\
229 		"fi;"							\
230 		"else echo U-Boot not downloaded..exiting;fi\0"		\
231 
232 /*
233  * this is common code for all TAM3517 boards.
234  * MAC address is stored from manufacturer in
235  * I2C EEPROM
236  */
237 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
238 /*
239  * The I2C EEPROM on the TAM3517 contains
240  * mac address and production data
241  */
242 struct tam3517_module_info {
243 	char customer[48];
244 	char product[48];
245 
246 	/*
247 	 * bit 0~47  : sequence number
248 	 * bit 48~55 : week of year, from 0.
249 	 * bit 56~63 : year
250 	 */
251 	unsigned long long sequence_number;
252 
253 	/*
254 	 * bit 0~7   : revision fixed
255 	 * bit 8~15  : revision major
256 	 * bit 16~31 : TNxxx
257 	 */
258 	unsigned int revision;
259 	unsigned char eth_addr[4][8];
260 	unsigned char _rev[100];
261 };
262 
263 #define TAM3517_READ_EEPROM(info, ret) \
264 do {								\
265 	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
266 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
267 		(void *)info, sizeof(*info)))			\
268 		ret = 1;					\
269 	else							\
270 		ret = 0;					\
271 } while (0)
272 
273 #define TAM3517_READ_MAC_FROM_EEPROM(info)			\
274 do {								\
275 	char buf[80], ethname[20];				\
276 	int i;							\
277 	memset(buf, 0, sizeof(buf));				\
278 	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) {	\
279 		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",	\
280 			(info)->eth_addr[i][5],			\
281 			(info)->eth_addr[i][4],			\
282 			(info)->eth_addr[i][3],			\
283 			(info)->eth_addr[i][2],			\
284 			(info)->eth_addr[i][1],			\
285 			(info)->eth_addr[i][0]);			\
286 								\
287 		if (i)						\
288 			sprintf(ethname, "eth%daddr", i);	\
289 		else						\
290 			strcpy(ethname, "ethaddr");		\
291 		printf("Setting %s from EEPROM with %s\n", ethname, buf);\
292 		env_set(ethname, buf);				\
293 	}							\
294 } while (0)
295 
296 /* The following macros are taken from Technexion's documentation */
297 #define TAM3517_sequence_number(info) \
298 	((info)->sequence_number % 0x1000000000000LL)
299 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
300 #define TAM3517_year(info) ((info)->sequence_number >> 56)
301 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
302 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
303 #define TAM3517_revision_tn(info) ((info)->revision >> 16)
304 
305 #define TAM3517_PRINT_SOM_INFO(info)				\
306 do {								\
307 	printf("Vendor:%s\n", (info)->customer);		\
308 	printf("SOM:   %s\n", (info)->product);			\
309 	printf("SeqNr: %02llu%02llu%012llu\n",			\
310 		TAM3517_year(info),				\
311 		TAM3517_week_of_year(info),			\
312 		TAM3517_sequence_number(info));			\
313 	printf("Rev:   TN%u %u.%u\n",				\
314 		TAM3517_revision_tn(info),			\
315 		TAM3517_revision_major(info),			\
316 		TAM3517_revision_fixed(info));			\
317 } while (0)
318 
319 #endif
320 
321 #endif /* __TAM3517_H */
322