blob: 5999f55460620317f4ffd640527c5967a5754ef6 [file] [log] [blame]
Tom Warren74652cf2011-04-14 12:18:06 +00001/*
2 * (C) Copyright 2010-2011
3 * NVIDIA Corporation <www.nvidia.com>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23#include <asm/types.h>
24
25/* Stabilization delays, in usec */
Tom Warrenb2871032012-12-11 13:34:15 +000026#define PLL_STABILIZATION_DELAY (300)
Tom Warren74652cf2011-04-14 12:18:06 +000027#define IO_STABILIZATION_DELAY (1000)
28
Tom Warren74652cf2011-04-14 12:18:06 +000029#define PLLX_ENABLED (1 << 30)
30#define CCLK_BURST_POLICY 0x20008888
31#define SUPER_CCLK_DIVIDER 0x80000000
32
33/* Calculate clock fractional divider value from ref and target frequencies */
Tom Warrenb2871032012-12-11 13:34:15 +000034#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2)
Tom Warren74652cf2011-04-14 12:18:06 +000035
36/* Calculate clock frequency value from reference and clock divider value */
Tom Warrenb2871032012-12-11 13:34:15 +000037#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2))
Tom Warren74652cf2011-04-14 12:18:06 +000038
39/* AVP/CPU ID */
40#define PG_UP_TAG_0_PID_CPU 0x55555555 /* CPU aka "a9" aka "mpcore" */
Tom Warrenb2871032012-12-11 13:34:15 +000041#define PG_UP_TAG_0 0x0
Tom Warren74652cf2011-04-14 12:18:06 +000042
43#define CORESIGHT_UNLOCK 0xC5ACCE55;
44
Tom Warrenb2871032012-12-11 13:34:15 +000045/* AP base physical address of internal SRAM */
46#define NV_PA_BASE_SRAM 0x40000000
Tom Warren74652cf2011-04-14 12:18:06 +000047
48#define EXCEP_VECTOR_CPU_RESET_VECTOR (NV_PA_EVP_BASE + 0x100)
49#define CSITE_CPU_DBG0_LAR (NV_PA_CSITE_BASE + 0x10FB0)
50#define CSITE_CPU_DBG1_LAR (NV_PA_CSITE_BASE + 0x12FB0)
51
52#define FLOW_CTLR_HALT_COP_EVENTS (NV_PA_FLOW_BASE + 4)
53#define FLOW_MODE_STOP 2
54#define HALT_COP_EVENT_JTAG (1 << 28)
55#define HALT_COP_EVENT_IRQ_1 (1 << 11)
56#define HALT_COP_EVENT_FIQ_1 (1 << 9)
57
Simon Glass210576f2011-11-05 03:56:50 +000058/* This is the main entry into U-Boot, used by the Cortex-A9 */
59extern void _start(void);
Simon Glassd5153622012-04-02 13:18:50 +000060
61/**
62 * Works out the SOC type used for clocks settings
63 *
64 * @return SOC type - see TEGRA_SOC...
65 */
66int tegra_get_chip_type(void);
Tom Warrend0edce42013-03-25 16:22:26 -070067void config_cache(void);