1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2007-2008
4  * Stelian Pop <stelian@popies.net>
5  * Lead Tech Design <www.leadtechdesign.com>
6  * Ilko Iliev <www.ronetix.at>
7  *
8  * Configuation settings for the RONETIX PM9261 board.
9  */
10 
11 #ifndef __CONFIG_H
12 #define __CONFIG_H
13 
14 /*
15  * SoC must be defined first, before hardware.h is included.
16  * In this case SoC is defined in boards.cfg.
17  */
18 
19 #include <asm/hardware.h>
20 /* ARM asynchronous clock */
21 
22 #define MASTER_PLL_DIV		15
23 #define MASTER_PLL_MUL		162
24 #define MAIN_PLL_DIV		2
25 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
26 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000
27 
28 #define CONFIG_SYS_AT91_CPU_NAME	"AT91SAM9261"
29 
30 #define CONFIG_MACH_TYPE	MACH_TYPE_PM9261
31 
32 /* clocks */
33 /* CKGR_MOR - enable main osc. */
34 #define CONFIG_SYS_MOR_VAL						\
35 		(AT91_PMC_MOR_MOSCEN |					\
36 		 (255 << 8))		/* Main Oscillator Start-up Time */
37 #define CONFIG_SYS_PLLAR_VAL						\
38 		(AT91_PMC_PLLAR_29 | /* Bit 29 must be 1 when prog */ \
39 		 AT91_PMC_PLLXR_OUT(3) |						\
40 		 ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
41 
42 /* PCK/2 = MCK Master Clock from PLLA */
43 #define	CONFIG_SYS_MCKR1_VAL		\
44 		(AT91_PMC_MCKR_CSS_SLOW |	\
45 		 AT91_PMC_MCKR_PRES_1 |	\
46 		 AT91_PMC_MCKR_MDIV_2)
47 
48 /* PCK/2 = MCK Master Clock from PLLA */
49 #define	CONFIG_SYS_MCKR2_VAL		\
50 		(AT91_PMC_MCKR_CSS_PLLA |	\
51 		 AT91_PMC_MCKR_PRES_1 |	\
52 		 AT91_PMC_MCKR_MDIV_2)
53 
54 /* define PDC[31:16] as DATA[31:16] */
55 #define CONFIG_SYS_PIOC_PDR_VAL1	0xFFFF0000
56 /* no pull-up for D[31:16] */
57 #define CONFIG_SYS_PIOC_PPUDR_VAL	0xFFFF0000
58 
59 /* EBI_CSA, no pull-ups for D[15:0], CS1 SDRAM, CS3 NAND Flash */
60 #define CONFIG_SYS_MATRIX_EBICSA_VAL		\
61 	(AT91_MATRIX_CSA_DBPUC | AT91_MATRIX_CSA_EBI_CS1A)
62 
63 /* SDRAM */
64 /* SDRAMC_MR Mode register */
65 #define CONFIG_SYS_SDRC_MR_VAL1		AT91_SDRAMC_MODE_NORMAL
66 /* SDRAMC_TR - Refresh Timer register */
67 #define CONFIG_SYS_SDRC_TR_VAL1		0x13C
68 /* SDRAMC_CR - Configuration register*/
69 #define CONFIG_SYS_SDRC_CR_VAL							\
70 		(AT91_SDRAMC_NC_9 |						\
71 		 AT91_SDRAMC_NR_13 |						\
72 		 AT91_SDRAMC_NB_4 |						\
73 		 AT91_SDRAMC_CAS_3 |						\
74 		 AT91_SDRAMC_DBW_32 |						\
75 		 (1 <<  8) |		/* Write Recovery Delay */		\
76 		 (7 << 12) |		/* Row Cycle Delay */			\
77 		 (3 << 16) |		/* Row Precharge Delay */		\
78 		 (2 << 20) |		/* Row to Column Delay */		\
79 		 (5 << 24) |		/* Active to Precharge Delay */		\
80 		 (1 << 28))		/* Exit Self Refresh to Active Delay */
81 
82 /* Memory Device Register -> SDRAM */
83 #define CONFIG_SYS_SDRC_MDR_VAL		AT91_SDRAMC_MD_SDRAM
84 #define CONFIG_SYS_SDRC_MR_VAL2		AT91_SDRAMC_MODE_PRECHARGE
85 #define CONFIG_SYS_SDRAM_VAL1		0		/* SDRAM_BASE */
86 #define CONFIG_SYS_SDRC_MR_VAL3		AT91_SDRAMC_MODE_REFRESH
87 #define CONFIG_SYS_SDRAM_VAL2		0		/* SDRAM_BASE */
88 #define CONFIG_SYS_SDRAM_VAL3		0		/* SDRAM_BASE */
89 #define CONFIG_SYS_SDRAM_VAL4		0		/* SDRAM_BASE */
90 #define CONFIG_SYS_SDRAM_VAL5		0		/* SDRAM_BASE */
91 #define CONFIG_SYS_SDRAM_VAL6		0		/* SDRAM_BASE */
92 #define CONFIG_SYS_SDRAM_VAL7		0		/* SDRAM_BASE */
93 #define CONFIG_SYS_SDRAM_VAL8		0		/* SDRAM_BASE */
94 #define CONFIG_SYS_SDRAM_VAL9		0		/* SDRAM_BASE */
95 #define CONFIG_SYS_SDRC_MR_VAL4		AT91_SDRAMC_MODE_LMR
96 #define CONFIG_SYS_SDRAM_VAL10		0		/* SDRAM_BASE */
97 #define CONFIG_SYS_SDRC_MR_VAL5		AT91_SDRAMC_MODE_NORMAL
98 #define CONFIG_SYS_SDRAM_VAL11		0		/* SDRAM_BASE */
99 #define CONFIG_SYS_SDRC_TR_VAL2		1200		/* SDRAM_TR */
100 #define CONFIG_SYS_SDRAM_VAL12		0		/* SDRAM_BASE */
101 
102 /* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */
103 #define CONFIG_SYS_SMC0_SETUP0_VAL					\
104 		(AT91_SMC_SETUP_NWE(10) | AT91_SMC_SETUP_NCS_WR(10) |	\
105 		 AT91_SMC_SETUP_NRD(10) | AT91_SMC_SETUP_NCS_RD(10))
106 #define CONFIG_SYS_SMC0_PULSE0_VAL					\
107 		(AT91_SMC_PULSE_NWE(11) | AT91_SMC_PULSE_NCS_WR(11) |	\
108 		 AT91_SMC_PULSE_NRD(11) | AT91_SMC_PULSE_NCS_RD(11))
109 #define CONFIG_SYS_SMC0_CYCLE0_VAL	\
110 		(AT91_SMC_CYCLE_NWE(22) | AT91_SMC_CYCLE_NRD(22))
111 #define CONFIG_SYS_SMC0_MODE0_VAL				\
112 		(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |	\
113 		 AT91_SMC_MODE_DBW_16 |				\
114 		 AT91_SMC_MODE_TDF |				\
115 		 AT91_SMC_MODE_TDF_CYCLE(6))
116 
117 /* user reset enable */
118 #define CONFIG_SYS_RSTC_RMR_VAL			\
119 		(AT91_RSTC_KEY |		\
120 		AT91_RSTC_CR_PROCRST |		\
121 		AT91_RSTC_MR_ERSTL(1) |	\
122 		AT91_RSTC_MR_ERSTL(2))
123 
124 /* Disable Watchdog */
125 #define CONFIG_SYS_WDTC_WDMR_VAL				\
126 		(AT91_WDT_MR_WDIDLEHLT | AT91_WDT_MR_WDDBGHLT |	\
127 		 AT91_WDT_MR_WDV(0xfff) |					\
128 		 AT91_WDT_MR_WDDIS |				\
129 		 AT91_WDT_MR_WDD(0xfff))
130 
131 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs */
132 #define CONFIG_SETUP_MEMORY_TAGS 1
133 #define CONFIG_INITRD_TAG	1
134 
135 #undef CONFIG_SKIP_LOWLEVEL_INIT
136 
137 /*
138  * Hardware drivers
139  */
140 
141 /* LCD */
142 #define LCD_BPP				LCD_COLOR8
143 #define CONFIG_LCD_LOGO			1
144 #undef LCD_TEST_PATTERN
145 #define CONFIG_LCD_INFO			1
146 #define CONFIG_LCD_INFO_BELOW_LOGO	1
147 #define CONFIG_ATMEL_LCD		1
148 #define CONFIG_ATMEL_LCD_BGR555		1
149 
150 /*
151  * BOOTP options
152  */
153 #define CONFIG_BOOTP_BOOTFILESIZE	1
154 
155 /* SDRAM */
156 #define PHYS_SDRAM				0x20000000
157 #define PHYS_SDRAM_SIZE				0x04000000	/* 64 megs */
158 
159 /* NAND flash */
160 #define CONFIG_SYS_MAX_NAND_DEVICE		1
161 #define CONFIG_SYS_NAND_BASE			0x40000000
162 #define CONFIG_SYS_NAND_DBW_8			1
163 /* our ALE is AD22 */
164 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 22)
165 /* our CLE is AD21 */
166 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 21)
167 #define CONFIG_SYS_NAND_ENABLE_PIN		GPIO_PIN_PC(14)
168 #define CONFIG_SYS_NAND_READY_PIN		GPIO_PIN_PA(16)
169 
170 /* NOR flash */
171 #define PHYS_FLASH_1				0x10000000
172 #define CONFIG_SYS_FLASH_BASE			PHYS_FLASH_1
173 #define CONFIG_SYS_MAX_FLASH_SECT		256
174 #define CONFIG_SYS_MAX_FLASH_BANKS		1
175 
176 /* Ethernet */
177 #define CONFIG_DRIVER_DM9000			1
178 #define CONFIG_DM9000_BASE			0x30000000
179 #define DM9000_IO				CONFIG_DM9000_BASE
180 #define DM9000_DATA				(CONFIG_DM9000_BASE + 4)
181 #define CONFIG_DM9000_USE_16BIT			1
182 #define CONFIG_NET_RETRY_COUNT			20
183 #define CONFIG_RESET_PHY_R			1
184 
185 /* USB */
186 #define CONFIG_USB_ATMEL
187 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
188 #define CONFIG_USB_OHCI_NEW			1
189 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
190 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000
191 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9261"
192 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
193 
194 #define CONFIG_SYS_LOAD_ADDR			0x22000000
195 
196 #undef CONFIG_SYS_USE_DATAFLASH_CS0
197 #undef CONFIG_SYS_USE_NANDFLASH
198 #define CONFIG_SYS_USE_FLASH	1
199 
200 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
201 
202 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
203 #define CONFIG_BOOTCOMMAND	"sf probe 0; " \
204 				"sf read 0x22000000 0x84000 0x210000; " \
205 				"bootm 0x22000000"
206 
207 #elif defined(CONFIG_SYS_USE_NANDFLASH) /* CONFIG_SYS_USE_NANDFLASH */
208 
209 /* bootstrap + u-boot + env + linux in nandflash */
210 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
211 
212 #elif defined (CONFIG_SYS_USE_FLASH)
213 /* JFFS Partition offset set */
214 #define CONFIG_SYS_JFFS2_FIRST_BANK	0
215 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
216 
217 /* 512k reserved for u-boot */
218 #define CONFIG_SYS_JFFS2_FIRST_SECTOR	11
219 
220 #define CONFIG_BOOTCOMMAND	"run flashboot"
221 
222 #define CONFIG_CON_ROT "fbcon=rotate:3 "
223 
224 #define CONFIG_EXTRA_ENV_SETTINGS				\
225 	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0"				\
226 	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0"			\
227 	"partition=nand0,0\0"					\
228 	"ramargs=setenv bootargs $(bootargs) $(mtdparts)\0"	\
229 	"nfsargs=setenv bootargs root=/dev/nfs rw "		\
230 		CONFIG_CON_ROT					\
231 		"nfsroot=$(serverip):$(rootpath) $(mtdparts)\0"	\
232 	"addip=setenv bootargs $(bootargs) "			\
233 		"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)"\
234 		":$(hostname):eth0:off\0"			\
235 	"ramboot=tftpboot 0x22000000 vmImage;"			\
236 		"run ramargs;run addip;bootm 22000000\0"	\
237 	"nfsboot=tftpboot 0x22000000 vmImage;"			\
238 		"run nfsargs;run addip;bootm 22000000\0"	\
239 	"flashboot=run ramargs;run addip;bootm 0x10050000\0"	\
240 	""
241 #else
242 #error "Undefined memory device"
243 #endif
244 
245 /*
246  * Size of malloc() pool
247  */
248 #define CONFIG_SYS_MALLOC_LEN		\
249 		ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
250 
251 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM
252 #define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 - \
253 				GENERATED_GBL_DATA_SIZE)
254 
255 #endif
256