1 /*
2  * (C) Copyright 2010
3  * Texas Instruments, <www.ti.com>
4  *
5  * Authors:
6  *	Aneesh V <aneesh@ti.com>
7  *
8  * Derived from OMAP3 work by
9  *	Richard Woodruff <r-woodruff2@ti.com>
10  *	Syed Mohammed Khasim <x0khasim@ti.com>
11  *
12  * See file CREDITS for list of people who contributed to this
13  * project.
14  *
15  * This program is free software; you can redistribute it and/or
16  * modify it under the terms of the GNU General Public License as
17  * published by the Free Software Foundation; either version 2 of
18  * the License, or (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License
26  * along with this program; if not, write to the Free Software
27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28  * MA 02111-1307 USA
29  */
30 
31 #ifndef _OMAP4_H_
32 #define _OMAP4_H_
33 
34 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
35 #include <asm/types.h>
36 #endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
37 
38 /*
39  * L4 Peripherals - L4 Wakeup and L4 Core now
40  */
41 #define OMAP44XX_L4_CORE_BASE	0x4A000000
42 #define OMAP44XX_L4_WKUP_BASE	0x4A300000
43 #define OMAP44XX_L4_PER_BASE	0x48000000
44 
45 #define OMAP44XX_DRAM_ADDR_SPACE_START	0x80000000
46 #define OMAP44XX_DRAM_ADDR_SPACE_END	0xD0000000
47 #define DRAM_ADDR_SPACE_START	OMAP44XX_DRAM_ADDR_SPACE_START
48 #define DRAM_ADDR_SPACE_END	OMAP44XX_DRAM_ADDR_SPACE_END
49 
50 /* CONTROL */
51 #define CTRL_BASE		(OMAP44XX_L4_CORE_BASE + 0x2000)
52 #define CONTROL_PADCONF_CORE	(OMAP44XX_L4_CORE_BASE + 0x100000)
53 #define CONTROL_PADCONF_WKUP	(OMAP44XX_L4_CORE_BASE + 0x31E000)
54 
55 /* LPDDR2 IO regs */
56 #define LPDDR2_IO_REGS_BASE	0x4A100638
57 
58 /* CONTROL_ID_CODE */
59 #define CONTROL_ID_CODE		0x4A002204
60 
61 #define OMAP4_CONTROL_ID_CODE_ES1_0	0x0B85202F
62 #define OMAP4_CONTROL_ID_CODE_ES2_0	0x1B85202F
63 #define OMAP4_CONTROL_ID_CODE_ES2_1	0x3B95C02F
64 #define OMAP4_CONTROL_ID_CODE_ES2_2	0x4B95C02F
65 #define OMAP4_CONTROL_ID_CODE_ES2_3	0x6B95C02F
66 #define OMAP4460_CONTROL_ID_CODE_ES1_0	0x0B94E02F
67 #define OMAP4460_CONTROL_ID_CODE_ES1_1	0x2B94E02F
68 
69 /* UART */
70 #define UART1_BASE		(OMAP44XX_L4_PER_BASE + 0x6a000)
71 #define UART2_BASE		(OMAP44XX_L4_PER_BASE + 0x6c000)
72 #define UART3_BASE		(OMAP44XX_L4_PER_BASE + 0x20000)
73 
74 /* General Purpose Timers */
75 #define GPT1_BASE		(OMAP44XX_L4_WKUP_BASE + 0x18000)
76 #define GPT2_BASE		(OMAP44XX_L4_PER_BASE  + 0x32000)
77 #define GPT3_BASE		(OMAP44XX_L4_PER_BASE  + 0x34000)
78 
79 /* Watchdog Timer2 - MPU watchdog */
80 #define WDT2_BASE		(OMAP44XX_L4_WKUP_BASE + 0x14000)
81 
82 /* 32KTIMER */
83 #define SYNC_32KTIMER_BASE	(OMAP44XX_L4_WKUP_BASE + 0x4000)
84 
85 /* GPMC */
86 #define OMAP44XX_GPMC_BASE	0x50000000
87 
88 /* SYSTEM CONTROL MODULE */
89 #define SYSCTRL_GENERAL_CORE_BASE	0x4A002000
90 
91 /*
92  * Hardware Register Details
93  */
94 
95 /* Watchdog Timer */
96 #define WD_UNLOCK1		0xAAAA
97 #define WD_UNLOCK2		0x5555
98 
99 /* GP Timer */
100 #define TCLR_ST			(0x1 << 0)
101 #define TCLR_AR			(0x1 << 1)
102 #define TCLR_PRE		(0x1 << 5)
103 
104 /*
105  * PRCM
106  */
107 
108 /* PRM */
109 #define PRM_BASE		0x4A306000
110 #define PRM_DEVICE_BASE		(PRM_BASE + 0x1B00)
111 
112 #define PRM_RSTCTRL		PRM_DEVICE_BASE
113 #define PRM_RSTCTRL_RESET	0x01
114 
115 /* Control Module */
116 #define LDOSRAM_ACTMODE_VSET_IN_MASK	(0x1F << 5)
117 #define LDOSRAM_VOLT_CTRL_OVERRIDE	0x0401040f
118 #define CONTROL_EFUSE_1_OVERRIDE	0x1C4D0110
119 #define CONTROL_EFUSE_2_OVERRIDE	0x99084000
120 
121 /* LPDDR2 IO regs */
122 #define CONTROL_LPDDR2IO_SLEW_125PS_DRV8_PULL_DOWN	0x1C1C1C1C
123 #define CONTROL_LPDDR2IO_SLEW_325PS_DRV8_GATE_KEEPER	0x9E9E9E9E
124 #define CONTROL_LPDDR2IO_SLEW_315PS_DRV12_PULL_DOWN	0x7C7C7C7C
125 #define LPDDR2IO_GR10_WD_MASK				(3 << 17)
126 #define CONTROL_LPDDR2IO_3_VAL		0xA0888C00
127 
128 /* CONTROL_EFUSE_2 */
129 #define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1		0x00ffc000
130 
131 #define MMC1_PWRDNZ					(1 << 26)
132 #define MMC1_PBIASLITE_PWRDNZ				(1 << 22)
133 #define MMC1_PBIASLITE_VMODE				(1 << 21)
134 
135 #ifndef __ASSEMBLY__
136 
137 struct s32ktimer {
138 	unsigned char res[0x10];
139 	unsigned int s32k_cr;	/* 0x10 */
140 };
141 
142 struct omap4_sys_ctrl_regs {
143 	unsigned int pad1[129];
144 	unsigned int control_id_code;			/* 0x4A002204 */
145 	unsigned int pad11[22];
146 	unsigned int control_std_fuse_opp_bgap;		/* 0x4a002260 */
147 	unsigned int pad2[47];
148 	unsigned int control_ldosram_iva_voltage_ctrl;	/* 0x4A002320 */
149 	unsigned int control_ldosram_mpu_voltage_ctrl;	/* 0x4A002324 */
150 	unsigned int control_ldosram_core_voltage_ctrl;	/* 0x4A002328 */
151 	unsigned int pad3[260277];
152 	unsigned int control_pbiaslite;                 /* 0x4A100600 */
153 	unsigned int pad4[63];
154 	unsigned int control_efuse_1;			/* 0x4A100700 */
155 	unsigned int control_efuse_2;			/* 0x4A100704 */
156 };
157 
158 struct control_lpddr2io_regs {
159 	unsigned int control_lpddr2io1_0;
160 	unsigned int control_lpddr2io1_1;
161 	unsigned int control_lpddr2io1_2;
162 	unsigned int control_lpddr2io1_3;
163 	unsigned int control_lpddr2io2_0;
164 	unsigned int control_lpddr2io2_1;
165 	unsigned int control_lpddr2io2_2;
166 	unsigned int control_lpddr2io2_3;
167 };
168 #endif /* __ASSEMBLY__ */
169 
170 /*
171  * Non-secure SRAM Addresses
172  * Non-secure RAM starts at 0x40300000 for GP devices. But we keep SRAM_BASE
173  * at 0x40304000(EMU base) so that our code works for both EMU and GP
174  */
175 #define NON_SECURE_SRAM_START	0x40304000
176 #define NON_SECURE_SRAM_END	0x4030E000	/* Not inclusive */
177 /* base address for indirect vectors (internal boot mode) */
178 #define SRAM_ROM_VECT_BASE	0x4030D000
179 /* Temporary SRAM stack used while low level init is done */
180 #define LOW_LEVEL_SRAM_STACK		NON_SECURE_SRAM_END
181 #define SRAM_SCRATCH_SPACE_ADDR		NON_SECURE_SRAM_START
182 /* SRAM scratch space entries */
183 #define OMAP4_SRAM_SCRATCH_OMAP4_REV	SRAM_SCRATCH_SPACE_ADDR
184 #define OMAP4_SRAM_SCRATCH_EMIF_SIZE	(SRAM_SCRATCH_SPACE_ADDR + 0x4)
185 #define OMAP4_SRAM_SCRATCH_EMIF_T_NUM	(SRAM_SCRATCH_SPACE_ADDR + 0xC)
186 #define OMAP4_SRAM_SCRATCH_EMIF_T_DEN	(SRAM_SCRATCH_SPACE_ADDR + 0x10)
187 #define OMAP4_SRAM_SCRATCH_SPACE_END	(SRAM_SCRATCH_SPACE_ADDR + 0x14)
188 
189 /* ROM code defines */
190 /* Boot device */
191 #define BOOT_DEVICE_MASK	0xFF
192 #define BOOT_DEVICE_OFFSET	0x8
193 #define DEV_DESC_PTR_OFFSET	0x4
194 #define DEV_DATA_PTR_OFFSET	0x18
195 #define BOOT_MODE_OFFSET	0x8
196 #define RESET_REASON_OFFSET	0x9
197 #define CH_FLAGS_OFFSET		0xA
198 
199 #define CH_FLAGS_CHSETTINGS	(0x1 << 0)
200 #define CH_FLAGS_CHRAM		(0x1 << 1)
201 #define CH_FLAGS_CHFLASH	(0x1 << 2)
202 #define CH_FLAGS_CHMMCSD	(0x1 << 3)
203 
204 #ifndef __ASSEMBLY__
205 struct omap_boot_parameters {
206 	char *boot_message;
207 	unsigned int mem_boot_descriptor;
208 	unsigned char omap_bootdevice;
209 	unsigned char reset_reason;
210 	unsigned char ch_flags;
211 };
212 #endif
213 #endif
214