3 * Texas Instruments, <www.ti.com>
6 * Aneesh V <aneesh@ti.com>
8 * Derived from OMAP3 work by
9 * Richard Woodruff <r-woodruff2@ti.com>
10 * Syed Mohammed Khasim <x0khasim@ti.com>
12 * See file CREDITS for list of people who contributed to this
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.
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.
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,
34 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
35 #include <asm/types.h>
36 #endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
39 * L4 Peripherals - L4 Wakeup and L4 Core now
41 #define OMAP44XX_L4_CORE_BASE 0x4A000000
42 #define OMAP44XX_L4_WKUP_BASE 0x4A300000
43 #define OMAP44XX_L4_PER_BASE 0x48000000
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
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)
56 #define LPDDR2_IO_REGS_BASE 0x4A100638
59 #define CONTROL_ID_CODE 0x4A002204
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
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)
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)
79 /* Watchdog Timer2 - MPU watchdog */
80 #define WDT2_BASE (OMAP44XX_L4_WKUP_BASE + 0x14000)
83 #define SYNC_32KTIMER_BASE (OMAP44XX_L4_WKUP_BASE + 0x4000)
86 #define OMAP44XX_GPMC_BASE 0x50000000
88 /* SYSTEM CONTROL MODULE */
89 #define SYSCTRL_GENERAL_CORE_BASE 0x4A002000
92 * Hardware Register Details
96 #define WD_UNLOCK1 0xAAAA
97 #define WD_UNLOCK2 0x5555
100 #define TCLR_ST (0x1 << 0)
101 #define TCLR_AR (0x1 << 1)
102 #define TCLR_PRE (0x1 << 5)
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 0x99084000
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 0xA0888C0F
117 /* CONTROL_EFUSE_2 */
118 #define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1 0x00ffc000
120 #define MMC1_PWRDNZ (1 << 26)
121 #define MMC1_PBIASLITE_PWRDNZ (1 << 22)
122 #define MMC1_PBIASLITE_VMODE (1 << 21)
127 unsigned char res[0x10];
128 unsigned int s32k_cr; /* 0x10 */
131 #define DEVICE_TYPE_SHIFT (0x8)
132 #define DEVICE_TYPE_MASK (0x7 << DEVICE_TYPE_SHIFT)
133 #define DEVICE_GP 0x3
135 #endif /* __ASSEMBLY__ */
138 * Non-secure SRAM Addresses
139 * Non-secure RAM starts at 0x40300000 for GP devices. But we keep SRAM_BASE
140 * at 0x40304000(EMU base) so that our code works for both EMU and GP
142 #define NON_SECURE_SRAM_START 0x40304000
143 #define NON_SECURE_SRAM_END 0x4030E000 /* Not inclusive */
144 /* base address for indirect vectors (internal boot mode) */
145 #define SRAM_ROM_VECT_BASE 0x4030D000
146 /* Temporary SRAM stack used while low level init is done */
147 #define SRAM_SCRATCH_SPACE_ADDR NON_SECURE_SRAM_START
148 /* SRAM scratch space entries */
149 #define OMAP4_SRAM_SCRATCH_OMAP4_REV SRAM_SCRATCH_SPACE_ADDR
150 #define OMAP4_SRAM_SCRATCH_EMIF_SIZE (SRAM_SCRATCH_SPACE_ADDR + 0x4)
151 #define OMAP4_SRAM_SCRATCH_EMIF_T_NUM (SRAM_SCRATCH_SPACE_ADDR + 0xC)
152 #define OMAP4_SRAM_SCRATCH_EMIF_T_DEN (SRAM_SCRATCH_SPACE_ADDR + 0x10)
153 #define OMAP_SRAM_SCRATCH_PRCM_PTR (SRAM_SCRATCH_SPACE_ADDR + 0x14)
154 #define OMAP_SRAM_SCRATCH_DPLLS_PTR (SRAM_SCRATCH_SPACE_ADDR + 0x18)
155 #define OMAP_SRAM_SCRATCH_VCORES_PTR (SRAM_SCRATCH_SPACE_ADDR + 0x1C)
156 #define OMAP4_SRAM_SCRATCH_SYS_CTRL (SRAM_SCRATCH_SPACE_ADDR + 0x20)
157 #define OMAP4_SRAM_SCRATCH_SPACE_END (SRAM_SCRATCH_SPACE_ADDR + 0x24)
159 /* ROM code defines */
161 #define BOOT_DEVICE_MASK 0xFF
162 #define BOOT_DEVICE_OFFSET 0x8
163 #define DEV_DESC_PTR_OFFSET 0x4
164 #define DEV_DATA_PTR_OFFSET 0x18
165 #define BOOT_MODE_OFFSET 0x8
166 #define RESET_REASON_OFFSET 0x9
167 #define CH_FLAGS_OFFSET 0xA
169 #define CH_FLAGS_CHSETTINGS (0x1 << 0)
170 #define CH_FLAGS_CHRAM (0x1 << 1)
171 #define CH_FLAGS_CHFLASH (0x1 << 2)
172 #define CH_FLAGS_CHMMCSD (0x1 << 3)
175 struct omap_boot_parameters {
177 unsigned int mem_boot_descriptor;
178 unsigned char omap_bootdevice;
179 unsigned char reset_reason;
180 unsigned char ch_flags;