mirror of
https://github.com/AsahiLinux/u-boot
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4213d52b33
This implementation allows pwr i2c writing on early SPL stages when DM is not yet setup. Such writing is needed to configure main voltages of PMIC on early SPL for bootloader to boot properly. Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # ASUS TF T30 Tested-by: Robert Eckelmann <longnoserob@gmail.com> # ASUS TF101 T20 Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # LG P895 T30 Tested-by: Thierry Reding <treding@nvidia.com> # T30 and T124 Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Signed-off-by: Tom <twarren@nvidia.com>
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2010-2015
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* NVIDIA Corporation <www.nvidia.com>
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*/
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#include <asm/types.h>
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/* Stabilization delays, in usec */
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#define PLL_STABILIZATION_DELAY (300)
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#define IO_STABILIZATION_DELAY (1000)
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#if defined(CONFIG_TEGRA20)
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#define NVBL_PLLP_KHZ 216000
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#define CSITE_KHZ 144000
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#elif defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114) || \
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defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA210)
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#define NVBL_PLLP_KHZ 408000
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#define CSITE_KHZ 136000
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#else
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#error "Unknown Tegra chip!"
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#endif
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#define PLLX_ENABLED (1 << 30)
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#define CCLK_BURST_POLICY 0x20008888
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#define SUPER_CCLK_DIVIDER 0x80000000
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/* Calculate clock fractional divider value from ref and target frequencies */
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#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2)
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/* Calculate clock frequency value from reference and clock divider value */
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#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2))
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/* AVP/CPU ID */
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#define PG_UP_TAG_0_PID_CPU 0x55555555 /* CPU aka "a9" aka "mpcore" */
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#define PG_UP_TAG_0 0x0
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#define CORESIGHT_UNLOCK 0xC5ACCE55
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#define EXCEP_VECTOR_CPU_RESET_VECTOR (NV_PA_EVP_BASE + 0x100)
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#define CSITE_CPU_DBG0_LAR (NV_PA_CSITE_BASE + 0x10FB0)
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#define CSITE_CPU_DBG1_LAR (NV_PA_CSITE_BASE + 0x12FB0)
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#define CSITE_CPU_DBG2_LAR (NV_PA_CSITE_BASE + 0x14FB0)
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#define CSITE_CPU_DBG3_LAR (NV_PA_CSITE_BASE + 0x16FB0)
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#define FLOW_CTLR_HALT_COP_EVENTS (NV_PA_FLOW_BASE + 4)
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#define FLOW_MODE_STOP 2
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#define HALT_COP_EVENT_JTAG (1 << 28)
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#define HALT_COP_EVENT_IRQ_1 (1 << 11)
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#define HALT_COP_EVENT_FIQ_1 (1 << 9)
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#define FLOW_MODE_NONE 0
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#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
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/* SB_AA64_RESET_LOW and _HIGH defines for CPU reset vector */
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#define SB_AA64_RESET_LOW 0x6000C230
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#define SB_AA64_RESET_HIGH 0x6000C234
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struct clk_pll_table {
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u16 n;
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u16 m;
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u8 p;
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u8 cpcon;
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};
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void clock_enable_coresight(int enable);
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void enable_cpu_clock(int enable);
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void halt_avp(void) __attribute__ ((noreturn));
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void init_pllx(void);
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void powerup_cpu(void);
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void reset_A9_cpu(int reset);
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void start_cpu(u32 reset_vector);
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int tegra_get_chip(void);
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int tegra_get_sku_info(void);
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int tegra_get_chip_sku(void);
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void adjust_pllp_out_freqs(void);
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