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ARM: OMAP5: Add DDR changes required for OMAP543X ES2.0 SOCs
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1 /*
2 * (C) Copyright 2010
3 * Texas Instruments, <www.ti.com>
4 *
5 * Authors:
6 * Aneesh V <aneesh@ti.com>
7 * Sricharan R <r.sricharan@ti.com>
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28 #ifndef _OMAP5_H_
29 #define _OMAP5_H_
30
31 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
32 #include <asm/types.h>
33 #endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
34
35 /*
36 * L4 Peripherals - L4 Wakeup and L4 Core now
37 */
38 #define OMAP54XX_L4_CORE_BASE 0x4A000000
39 #define OMAP54XX_L4_WKUP_BASE 0x4Ae00000
40 #define OMAP54XX_L4_PER_BASE 0x48000000
41
42 #define OMAP54XX_DRAM_ADDR_SPACE_START 0x80000000
43 #define OMAP54XX_DRAM_ADDR_SPACE_END 0xFFFFFFFF
44 #define DRAM_ADDR_SPACE_START OMAP54XX_DRAM_ADDR_SPACE_START
45 #define DRAM_ADDR_SPACE_END OMAP54XX_DRAM_ADDR_SPACE_END
46
47 /* CONTROL */
48 #define CTRL_BASE (OMAP54XX_L4_CORE_BASE + 0x2000)
49 #define CONTROL_PADCONF_CORE (CTRL_BASE + 0x0800)
50 #define CONTROL_PADCONF_WKUP (OMAP54XX_L4_WKUP_BASE + 0xc800)
51
52 /* LPDDR2 IO regs. To be verified */
53 #define LPDDR2_IO_REGS_BASE 0x4A100638
54
55 /* CONTROL_ID_CODE */
56 #define CONTROL_ID_CODE (CTRL_BASE + 0x204)
57
58 /* To be verified */
59 #define OMAP5430_CONTROL_ID_CODE_ES1_0 0x0B94202F
60 #define OMAP5430_CONTROL_ID_CODE_ES2_0 0x1B94202F
61 #define OMAP5432_CONTROL_ID_CODE_ES1_0 0x0B99802F
62 #define OMAP5432_CONTROL_ID_CODE_ES2_0 0x1B99802F
63
64 /* STD_FUSE_PROD_ID_1 */
65 #define STD_FUSE_PROD_ID_1 (CTRL_BASE + 0x218)
66 #define PROD_ID_1_SILICON_TYPE_SHIFT 16
67 #define PROD_ID_1_SILICON_TYPE_MASK (3 << 16)
68
69 /* UART */
70 #define UART1_BASE (OMAP54XX_L4_PER_BASE + 0x6a000)
71 #define UART2_BASE (OMAP54XX_L4_PER_BASE + 0x6c000)
72 #define UART3_BASE (OMAP54XX_L4_PER_BASE + 0x20000)
73
74 /* General Purpose Timers */
75 #define GPT1_BASE (OMAP54XX_L4_WKUP_BASE + 0x18000)
76 #define GPT2_BASE (OMAP54XX_L4_PER_BASE + 0x32000)
77 #define GPT3_BASE (OMAP54XX_L4_PER_BASE + 0x34000)
78
79 /* Watchdog Timer2 - MPU watchdog */
80 #define WDT2_BASE (OMAP54XX_L4_WKUP_BASE + 0x14000)
81
82 /* 32KTIMER */
83 #define SYNC_32KTIMER_BASE (OMAP54XX_L4_WKUP_BASE + 0x4000)
84
85 /* GPMC */
86 #define OMAP54XX_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 /* Control Module */
105 #define LDOSRAM_ACTMODE_VSET_IN_MASK (0x1F << 5)
106 #define LDOSRAM_VOLT_CTRL_OVERRIDE 0x0401040f
107 #define CONTROL_EFUSE_1_OVERRIDE 0x1C4D0110
108 #define CONTROL_EFUSE_2_OVERRIDE 0x00084000
109
110 /* LPDDR2 IO regs */
111 #define CONTROL_LPDDR2IO_SLEW_125PS_DRV8_PULL_DOWN 0x1C1C1C1C
112 #define CONTROL_LPDDR2IO_SLEW_325PS_DRV8_GATE_KEEPER 0x9E9E9E9E
113 #define CONTROL_LPDDR2IO_SLEW_315PS_DRV12_PULL_DOWN 0x7C7C7C7C
114 #define LPDDR2IO_GR10_WD_MASK (3 << 17)
115 #define CONTROL_LPDDR2IO_3_VAL 0xA0888C00
116
117 /* CONTROL_EFUSE_2 */
118 #define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1 0x00ffc000
119
120 #define SDCARD_PWRDNZ (1 << 26)
121 #define SDCARD_BIAS_HIZ_MODE (1 << 25)
122 #define SDCARD_BIAS_PWRDNZ (1 << 22)
123 #define SDCARD_PBIASLITE_VMODE (1 << 21)
124
125 #ifndef __ASSEMBLY__
126
127 struct s32ktimer {
128 unsigned char res[0x10];
129 unsigned int s32k_cr; /* 0x10 */
130 };
131
132 #define DEVICE_TYPE_SHIFT 0x6
133 #define DEVICE_TYPE_MASK (0x7 << DEVICE_TYPE_SHIFT)
134 #define DEVICE_GP 0x3
135
136 /* Output impedance control */
137 #define ds_120_ohm 0x0
138 #define ds_60_ohm 0x1
139 #define ds_45_ohm 0x2
140 #define ds_30_ohm 0x3
141 #define ds_mask 0x3
142
143 /* Slew rate control */
144 #define sc_slow 0x0
145 #define sc_medium 0x1
146 #define sc_fast 0x2
147 #define sc_na 0x3
148 #define sc_mask 0x3
149
150 /* Target capacitance control */
151 #define lb_5_12_pf 0x0
152 #define lb_12_25_pf 0x1
153 #define lb_25_50_pf 0x2
154 #define lb_50_80_pf 0x3
155 #define lb_mask 0x3
156
157 #define usb_i_mask 0x7
158
159 #define DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN 0x80828082
160 #define DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN 0x82828200
161 #define DDR_IO_0_DDR2_DQ_INT_EN_ALL_DDR3_CA_DIS_ALL 0x8421
162 #define DDR_IO_1_DQ_OUT_EN_ALL_DQ_INT_EN_ALL 0x8421084
163 #define DDR_IO_2_CA_OUT_EN_ALL_CA_INT_EN_ALL 0x8421000
164
165 #define DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL 0x7C7C7C6C
166 #define DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL 0x64646464
167 #define DDR_IO_0_VREF_CELLS_DDR3_VALUE 0xBAE8C631
168 #define DDR_IO_1_VREF_CELLS_DDR3_VALUE 0xBC6318DC
169 #define DDR_IO_2_VREF_CELLS_DDR3_VALUE 0x0
170
171 #define DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL_ES2 0x7C7C7C7C
172 #define DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL_ES2 0x64656465
173 #define DDR_IO_0_VREF_CELLS_DDR3_VALUE_ES2 0xBAE8C631
174 #define DDR_IO_1_VREF_CELLS_DDR3_VALUE_ES2 0xB46318D8
175 #define DDR_IO_2_VREF_CELLS_DDR3_VALUE_ES2 0x84210000
176
177 #define EFUSE_1 0x45145100
178 #define EFUSE_2 0x45145100
179 #define EFUSE_3 0x45145100
180 #define EFUSE_4 0x45145100
181 #endif /* __ASSEMBLY__ */
182
183 /*
184 * Non-secure SRAM Addresses
185 * Non-secure RAM starts at 0x40300000 for GP devices. But we keep SRAM_BASE
186 * at 0x40304000(EMU base) so that our code works for both EMU and GP
187 */
188 #define NON_SECURE_SRAM_START 0x40300000
189 #define NON_SECURE_SRAM_END 0x40320000 /* Not inclusive */
190 /* base address for indirect vectors (internal boot mode) */
191 #define SRAM_ROM_VECT_BASE 0x4031F000
192
193 #define SRAM_SCRATCH_SPACE_ADDR NON_SECURE_SRAM_START
194 /*
195 * SRAM scratch space entries
196 */
197 #define OMAP5_SRAM_SCRATCH_OMAP5_REV SRAM_SCRATCH_SPACE_ADDR
198 #define OMAP5_SRAM_SCRATCH_EMIF_SIZE (SRAM_SCRATCH_SPACE_ADDR + 0x4)
199 #define OMAP5_SRAM_SCRATCH_EMIF_T_NUM (SRAM_SCRATCH_SPACE_ADDR + 0xC)
200 #define OMAP5_SRAM_SCRATCH_EMIF_T_DEN (SRAM_SCRATCH_SPACE_ADDR + 0x10)
201 #define OMAP_SRAM_SCRATCH_PRCM_PTR (SRAM_SCRATCH_SPACE_ADDR + 0x14)
202 #define OMAP_SRAM_SCRATCH_DPLLS_PTR (SRAM_SCRATCH_SPACE_ADDR + 0x18)
203 #define OMAP_SRAM_SCRATCH_VCORES_PTR (SRAM_SCRATCH_SPACE_ADDR + 0x1C)
204 #define OMAP5_SRAM_SCRATCH_SYS_CTRL (SRAM_SCRATCH_SPACE_ADDR + 0x20)
205 #define OMAP5_SRAM_SCRATCH_SPACE_END (SRAM_SCRATCH_SPACE_ADDR + 0x24)
206
207 /* Silicon revisions */
208 #define OMAP4430_SILICON_ID_INVALID 0xFFFFFFFF
209 #define OMAP4430_ES1_0 0x44300100
210 #define OMAP4430_ES2_0 0x44300200
211 #define OMAP4430_ES2_1 0x44300210
212 #define OMAP4430_ES2_2 0x44300220
213 #define OMAP4430_ES2_3 0x44300230
214 #define OMAP4460_ES1_0 0x44600100
215 #define OMAP4460_ES1_1 0x44600110
216
217 /* ROM code defines */
218 /* Boot device */
219 #define BOOT_DEVICE_MASK 0xFF
220 #define BOOT_DEVICE_OFFSET 0x8
221 #define DEV_DESC_PTR_OFFSET 0x4
222 #define DEV_DATA_PTR_OFFSET 0x18
223 #define BOOT_MODE_OFFSET 0x8
224 #define RESET_REASON_OFFSET 0x9
225 #define CH_FLAGS_OFFSET 0xA
226
227 #define CH_FLAGS_CHSETTINGS (0x1 << 0)
228 #define CH_FLAGS_CHRAM (0x1 << 1)
229 #define CH_FLAGS_CHFLASH (0x1 << 2)
230 #define CH_FLAGS_CHMMCSD (0x1 << 3)
231
232 #ifndef __ASSEMBLY__
233 struct omap_boot_parameters {
234 char *boot_message;
235 unsigned int mem_boot_descriptor;
236 unsigned char omap_bootdevice;
237 unsigned char reset_reason;
238 unsigned char ch_flags;
239 };
240
241 struct ctrl_ioregs {
242 u32 ctrl_ddrch;
243 u32 ctrl_lpddr2ch;
244 u32 ctrl_ddr3ch;
245 u32 ctrl_ddrio_0;
246 u32 ctrl_ddrio_1;
247 u32 ctrl_ddrio_2;
248 u32 ctrl_emif_sdram_config_ext;
249 };
250 #endif /* __ASSEMBLY__ */
251 #endif