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 CFG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
26#define CFG_SYS_AT91_MAIN_CLOCK	18432000
27
28/* clocks */
29/* CKGR_MOR - enable main osc. */
30#define CFG_SYS_MOR_VAL						\
31		(AT91_PMC_MOR_MOSCEN |					\
32		 (255 << 8))		/* Main Oscillator Start-up Time */
33#define CFG_SYS_PLLAR_VAL						\
34		(AT91_PMC_PLLAR_29 | /* Bit 29 must be 1 when prog */ \
35		 AT91_PMC_PLLXR_OUT(3) |						\
36		 ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
37
38/* PCK/2 = MCK Master Clock from PLLA */
39#define	CFG_SYS_MCKR1_VAL		\
40		(AT91_PMC_MCKR_CSS_SLOW |	\
41		 AT91_PMC_MCKR_PRES_1 |	\
42		 AT91_PMC_MCKR_MDIV_2)
43
44/* PCK/2 = MCK Master Clock from PLLA */
45#define	CFG_SYS_MCKR2_VAL		\
46		(AT91_PMC_MCKR_CSS_PLLA |	\
47		 AT91_PMC_MCKR_PRES_1 |	\
48		 AT91_PMC_MCKR_MDIV_2)
49
50/* define PDC[31:16] as DATA[31:16] */
51#define CFG_SYS_PIOC_PDR_VAL1	0xFFFF0000
52/* no pull-up for D[31:16] */
53#define CFG_SYS_PIOC_PPUDR_VAL	0xFFFF0000
54
55/* EBI_CSA, no pull-ups for D[15:0], CS1 SDRAM, CS3 NAND Flash */
56#define CFG_SYS_MATRIX_EBICSA_VAL		\
57	(AT91_MATRIX_CSA_DBPUC | AT91_MATRIX_CSA_EBI_CS1A)
58
59/* SDRAM */
60/* SDRAMC_MR Mode register */
61#define CFG_SYS_SDRC_MR_VAL1		AT91_SDRAMC_MODE_NORMAL
62/* SDRAMC_TR - Refresh Timer register */
63#define CFG_SYS_SDRC_TR_VAL1		0x13C
64/* SDRAMC_CR - Configuration register*/
65#define CFG_SYS_SDRC_CR_VAL							\
66		(AT91_SDRAMC_NC_9 |						\
67		 AT91_SDRAMC_NR_13 |						\
68		 AT91_SDRAMC_NB_4 |						\
69		 AT91_SDRAMC_CAS_3 |						\
70		 AT91_SDRAMC_DBW_32 |						\
71		 (1 <<  8) |		/* Write Recovery Delay */		\
72		 (7 << 12) |		/* Row Cycle Delay */			\
73		 (3 << 16) |		/* Row Precharge Delay */		\
74		 (2 << 20) |		/* Row to Column Delay */		\
75		 (5 << 24) |		/* Active to Precharge Delay */		\
76		 (1 << 28))		/* Exit Self Refresh to Active Delay */
77
78/* Memory Device Register -> SDRAM */
79#define CFG_SYS_SDRC_MDR_VAL		AT91_SDRAMC_MD_SDRAM
80#define CFG_SYS_SDRC_MR_VAL2		AT91_SDRAMC_MODE_PRECHARGE
81#define CFG_SYS_SDRAM_VAL1		0		/* SDRAM_BASE */
82#define CFG_SYS_SDRC_MR_VAL3		AT91_SDRAMC_MODE_REFRESH
83#define CFG_SYS_SDRAM_VAL2		0		/* SDRAM_BASE */
84#define CFG_SYS_SDRAM_VAL3		0		/* SDRAM_BASE */
85#define CFG_SYS_SDRAM_VAL4		0		/* SDRAM_BASE */
86#define CFG_SYS_SDRAM_VAL5		0		/* SDRAM_BASE */
87#define CFG_SYS_SDRAM_VAL6		0		/* SDRAM_BASE */
88#define CFG_SYS_SDRAM_VAL7		0		/* SDRAM_BASE */
89#define CFG_SYS_SDRAM_VAL8		0		/* SDRAM_BASE */
90#define CFG_SYS_SDRAM_VAL9		0		/* SDRAM_BASE */
91#define CFG_SYS_SDRC_MR_VAL4		AT91_SDRAMC_MODE_LMR
92#define CFG_SYS_SDRAM_VAL10		0		/* SDRAM_BASE */
93#define CFG_SYS_SDRC_MR_VAL5		AT91_SDRAMC_MODE_NORMAL
94#define CFG_SYS_SDRAM_VAL11		0		/* SDRAM_BASE */
95#define CFG_SYS_SDRC_TR_VAL2		1200		/* SDRAM_TR */
96#define CFG_SYS_SDRAM_VAL12		0		/* SDRAM_BASE */
97
98/* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */
99#define CFG_SYS_SMC0_SETUP0_VAL					\
100		(AT91_SMC_SETUP_NWE(10) | AT91_SMC_SETUP_NCS_WR(10) |	\
101		 AT91_SMC_SETUP_NRD(10) | AT91_SMC_SETUP_NCS_RD(10))
102#define CFG_SYS_SMC0_PULSE0_VAL					\
103		(AT91_SMC_PULSE_NWE(11) | AT91_SMC_PULSE_NCS_WR(11) |	\
104		 AT91_SMC_PULSE_NRD(11) | AT91_SMC_PULSE_NCS_RD(11))
105#define CFG_SYS_SMC0_CYCLE0_VAL	\
106		(AT91_SMC_CYCLE_NWE(22) | AT91_SMC_CYCLE_NRD(22))
107#define CFG_SYS_SMC0_MODE0_VAL				\
108		(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |	\
109		 AT91_SMC_MODE_DBW_16 |				\
110		 AT91_SMC_MODE_TDF |				\
111		 AT91_SMC_MODE_TDF_CYCLE(6))
112
113/* user reset enable */
114#define CFG_SYS_RSTC_RMR_VAL			\
115		(AT91_RSTC_KEY |		\
116		AT91_RSTC_CR_PROCRST |		\
117		AT91_RSTC_MR_ERSTL(1) |	\
118		AT91_RSTC_MR_ERSTL(2))
119
120/* Disable Watchdog */
121#define CFG_SYS_WDTC_WDMR_VAL				\
122		(AT91_WDT_MR_WDIDLEHLT | AT91_WDT_MR_WDDBGHLT |	\
123		 AT91_WDT_MR_WDV(0xfff) |					\
124		 AT91_WDT_MR_WDDIS |				\
125		 AT91_WDT_MR_WDD(0xfff))
126
127/* SDRAM */
128#define PHYS_SDRAM				0x20000000
129#define PHYS_SDRAM_SIZE				0x04000000	/* 64 megs */
130
131/* NAND flash */
132#define CFG_SYS_NAND_BASE			0x40000000
133/* our ALE is AD22 */
134#define CFG_SYS_NAND_MASK_ALE		(1 << 22)
135/* our CLE is AD21 */
136#define CFG_SYS_NAND_MASK_CLE		(1 << 21)
137#define CFG_SYS_NAND_ENABLE_PIN		GPIO_PIN_PC(14)
138#define CFG_SYS_NAND_READY_PIN		GPIO_PIN_PA(16)
139
140/* NOR flash */
141#define PHYS_FLASH_1				0x10000000
142#define CFG_SYS_FLASH_BASE			PHYS_FLASH_1
143
144/* USB */
145#define CFG_SYS_USB_OHCI_REGS_BASE		0x00500000
146
147#define CFG_EXTRA_ENV_SETTINGS				\
148	"partition=nand0,0\0"					\
149	"ramargs=setenv bootargs $(bootargs) $(mtdparts)\0"	\
150	"nfsargs=setenv bootargs root=/dev/nfs rw "		\
151		"fbcon=rotate:3 "				\
152		"nfsroot=$(serverip):$(rootpath) $(mtdparts)\0"	\
153	"addip=setenv bootargs $(bootargs) "			\
154		"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)"\
155		":$(hostname):eth0:off\0"			\
156	"ramboot=tftpboot 0x22000000 vmImage;"			\
157		"run ramargs;run addip;bootm 22000000\0"	\
158	"nfsboot=tftpboot 0x22000000 vmImage;"			\
159		"run nfsargs;run addip;bootm 22000000\0"	\
160	"flashboot=run ramargs;run addip;bootm 0x10050000\0"	\
161	""
162
163#define CFG_SYS_SDRAM_BASE	PHYS_SDRAM
164
165#endif
166