diff options
Diffstat (limited to 'payloads/libpayload')
| -rw-r--r-- | payloads/libpayload/drivers/Makefile.inc | 11 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/Kconfig | 97 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/bg4cd.c | 26 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/cygnus.c | 52 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/generic.c (renamed from payloads/libpayload/drivers/timer/ipq806x.c) | 42 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/ipq40xx.c | 52 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/mct.c | 115 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/mtk_timer.c | 30 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/rktimer.c | 42 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/timer/tegra_1us.c | 41 |
10 files changed, 67 insertions, 441 deletions
diff --git a/payloads/libpayload/drivers/Makefile.inc b/payloads/libpayload/drivers/Makefile.inc index 899c5d238e..1fa0ec3b18 100644 --- a/payloads/libpayload/drivers/Makefile.inc +++ b/payloads/libpayload/drivers/Makefile.inc @@ -46,16 +46,11 @@ libc-$(CONFIG_LP_NVRAM) += nvram.c libc-$(CONFIG_LP_NVRAM) += options.c # Timer drivers -libc-$(CONFIG_LP_TIMER_MTK) += timer/mtk_timer.c -libc-$(CONFIG_LP_TIMER_MCT) += timer/mct.c +ifneq ($(CONFIG_LP_TIMER_GENERIC_HZ),0) +libc-y += timer/generic.c +endif libc-$(CONFIG_LP_TIMER_RDTSC) += timer/rdtsc.c -libc-$(CONFIG_LP_TIMER_TEGRA_1US) += timer/tegra_1us.c -libc-$(CONFIG_LP_TIMER_IPQ806X) += timer/ipq806x.c -libc-$(CONFIG_LP_TIMER_IPQ40XX) += timer/ipq40xx.c -libc-$(CONFIG_LP_TIMER_RK) += timer/rktimer.c -libc-$(CONFIG_LP_TIMER_BG4CD) += timer/bg4cd.c libc-$(CONFIG_LP_TIMER_IMG_PISTACHIO) += timer/img_pistachio.c -libc-$(CONFIG_LP_TIMER_CYGNUS) += timer/cygnus.c libc-$(CONFIG_LP_TIMER_ARMADA38X) += timer/armada38x.c libc-$(CONFIG_LP_TIMER_MVMAP2315) += timer/mvmap2315.c diff --git a/payloads/libpayload/drivers/timer/Kconfig b/payloads/libpayload/drivers/timer/Kconfig index b3ab6ecb70..bcf4b06e39 100644 --- a/payloads/libpayload/drivers/timer/Kconfig +++ b/payloads/libpayload/drivers/timer/Kconfig @@ -46,11 +46,11 @@ config TIMER_IPQ40XX This is the timer driver for QCA IPQ40xx based platforms. -config TIMER_RK - bool "Timer for Rockchip" +config TIMER_RK3288 + bool "Timer for Rockchip RK3288" -config TIMER_BG4CD - bool "Marvell BG4CD" +config TIMER_RK3399 + bool "Timer for Rockchip RK3399" config TIMER_CYGNUS bool "Timer for Cygnus" @@ -66,41 +66,6 @@ config TIMER_MVMAP2315 endchoice -config TIMER_MCT_HZ - int "Exynos MCT frequency" - depends on TIMER_MCT - default 24000000 - -config TIMER_MCT_ADDRESS - hex "Exynos MCT base address" - depends on TIMER_MCT - default 0x101c0000 - -config TIMER_RK_ADDRESS - hex "Rockchip timer base address" - depends on TIMER_RK - default 0xff810020 - -config TIMER_TEGRA_1US_ADDRESS - hex "Tegra u1s timer base address" - depends on TIMER_TEGRA_1US - default 0x60005010 - -config IPQ806X_TIMER_FREQ - int "Hardware timer frequency" - default 32000 - depends on TIMER_IPQ806X - help - IPQ hardware presently provides a single timer running at 32KHz, a - finer granulariry timer is available but is not yet enabled. - -config IPQ806X_TIMER_REG - hex "Timer register address" - default 0x0200A008 - depends on TIMER_IPQ806X - help - Address of the register to read a free running timer value. - config ARMADA38X_TIMER_FREQ int "Hardware timer frequency" depends on TIMER_ARMADA38X @@ -121,21 +86,43 @@ config MVMAP2315_TIMER_REG depends on TIMER_MVMAP2315 default 0xE1020004 -config IPROC_PERIPH_GLB_TIM_REG_BASE - hex "Cygnus timer base address" - depends on TIMER_CYGNUS - default 0x19020200 - -config TIMER_MTK_HZ - int "MediaTek GPT frequency" - depends on TIMER_MTK - default 13000000 +config TIMER_GENERIC_HZ + int "Generic Timer Frequency" + default 500000000 if TIMER_CYGNUS + default 48000000 if TIMER_IPQ40XX + default 6250000 if TIMER_IPQ806X + default 24000000 if TIMER_MCT + default 13000000 if TIMER_MTK + default 24000000 if TIMER_RK3288 + default 24000000 if TIMER_RK3399 + default 1000000 if TIMER_TEGRA_1US + default 0 help - Clock frequency of MediaTek General Purpose Timer. - -config TIMER_MTK_ADDRESS - hex "MTK GPT register address" - depends on TIMER_MTK - default 0x10008048 + Clock frequency of generic time counter in Hertz. Leave at 0 to + disable when using a non-generic timer driver. + +config TIMER_GENERIC_REG + hex "Generic Timer Register Address" + default 0x19020200 if TIMER_CYGNUS + default 0x004A2000 if TIMER_IPQ40XX + default 0x0200A028 if TIMER_IPQ806X + default 0x101C0100 if TIMER_MCT + default 0x10008048 if TIMER_MTK + default 0xff810028 if TIMER_RK3288 + default 0xff850008 if TIMER_RK3399 + default 0x60005010 if TIMER_TEGRA_1US + default 0x0 + help + Register address to read generic time counter from. + +config TIMER_GENERIC_HIGH_REG + hex "Generic Timer High Register Address" + default 0x19020204 if TIMER_CYGNUS + default 0x004A2004 if TIMER_IPQ40XX + default 0x101C0104 if TIMER_MCT + default 0xff81002C if TIMER_RK3288 + default 0xff85000C if TIMER_RK3399 + default 0x0 help - Address of GPT4's counter register to read the FREERUN-mode timer value. + Register address to read high 32 bits of generic time counter from. + Leave at 0x0 for 32-bit counters. diff --git a/payloads/libpayload/drivers/timer/bg4cd.c b/payloads/libpayload/drivers/timer/bg4cd.c deleted file mode 100644 index 649622bddd..0000000000 --- a/payloads/libpayload/drivers/timer/bg4cd.c +++ /dev/null @@ -1,26 +0,0 @@ - -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Google Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include <libpayload.h> - -uint64_t timer_hz(void) -{ - return 0; -} - -uint64_t timer_raw_value(void) -{ - return 0; -} diff --git a/payloads/libpayload/drivers/timer/cygnus.c b/payloads/libpayload/drivers/timer/cygnus.c deleted file mode 100644 index c8f2098608..0000000000 --- a/payloads/libpayload/drivers/timer/cygnus.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2015 Google Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include <libpayload.h> - -struct cygnus_timer { - u32 gtim_glob_low; - u32 gtim_glob_hi; - u32 gtim_glob_ctrl; -}; - -static struct cygnus_timer * const timer_ptr = - (void *)CONFIG_LP_IPROC_PERIPH_GLB_TIM_REG_BASE; - -uint64_t timer_hz(void) -{ - /* - * this is set up by coreboot as follows: - * - * PERIPH_CLOCK / - * (((TIMER_GLB_TIM_CTRL_PRESC & TIMER_GLB_TIM_CTRL_PRESC_MASK)>>8) + 1) - * - * where PERIPH_CLOCK is typically 500000000. - */ - return 500000000; -} - -uint64_t timer_raw_value(void) -{ - uint64_t cur_tick; - uint32_t count_h; - uint32_t count_l; - - do { - count_h = readl(&timer_ptr->gtim_glob_hi); - count_l = readl(&timer_ptr->gtim_glob_low); - cur_tick = readl(&timer_ptr->gtim_glob_hi); - } while (cur_tick != count_h); - - return (cur_tick << 32) + count_l; -} diff --git a/payloads/libpayload/drivers/timer/ipq806x.c b/payloads/libpayload/drivers/timer/generic.c index f39f23d64b..4c066182fc 100644 --- a/payloads/libpayload/drivers/timer/ipq806x.c +++ b/payloads/libpayload/drivers/timer/generic.c @@ -1,7 +1,7 @@ /* - * This file is part of the depthcharge project. + * This file is part of the libpayload project. * - * Copyright (C) 2014 The Linux Foundation. All rights reserved. + * Copyright 2016 Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -14,6 +14,10 @@ * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -27,32 +31,30 @@ * SUCH DAMAGE. */ +#include <assert.h> #include <libpayload.h> -/* - * TODO(vbendeb): reverted this hack once proper timer code is in place (see - * http://crosbug.com/p/28880 for details. - */ -#define MIN_TIMER_FREQ 1000000 - uint64_t timer_hz(void) { - return (CONFIG_LP_IPQ806X_TIMER_FREQ >= MIN_TIMER_FREQ) ? - CONFIG_LP_IPQ806X_TIMER_FREQ : MIN_TIMER_FREQ; + /* libc/time.c currently requires all timers to be at least 1MHz. */ + assert(CONFIG_LP_TIMER_GENERIC_HZ >= 1000000); + return CONFIG_LP_TIMER_GENERIC_HZ; } uint64_t timer_raw_value(void) { - uint64_t rawv = readl((void *)CONFIG_LP_IPQ806X_TIMER_REG); + uint64_t cur_tick; + uint32_t count_h; + uint32_t count_l; + + if (!CONFIG_LP_TIMER_GENERIC_HIGH_REG) + return readl(phys_to_virt(CONFIG_LP_TIMER_GENERIC_REG)); - /* - * This is extremely crude, but it kicks in only for the case when the - * timer clock frequency is below 1MHz, which should never be the case - * on a properly configured system. The compiler will eliminate the - * check as long as config value exceeds 1MHz. - */ - if (CONFIG_LP_IPQ806X_TIMER_FREQ < MIN_TIMER_FREQ) - rawv *= (MIN_TIMER_FREQ / CONFIG_LP_IPQ806X_TIMER_FREQ); + do { + count_h = readl(phys_to_virt(CONFIG_LP_TIMER_GENERIC_HIGH_REG)); + count_l = readl(phys_to_virt(CONFIG_LP_TIMER_GENERIC_REG)); + cur_tick = readl(phys_to_virt(CONFIG_LP_TIMER_GENERIC_REG)); + } while (cur_tick != count_h); - return rawv; + return (cur_tick << 32) + count_l; } diff --git a/payloads/libpayload/drivers/timer/ipq40xx.c b/payloads/libpayload/drivers/timer/ipq40xx.c deleted file mode 100644 index 0ca260047e..0000000000 --- a/payloads/libpayload/drivers/timer/ipq40xx.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright (c) 2015, 2016, The Linux Foundation. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * * Neither the name of The Linux Foundation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include <libpayload.h> - -#define GCNT_FREQ_MHZ 48 - -#define MSM_TMR_BASE ((void *)0x004a1000u) -#define GCNT_CNTCV_LO (MSM_TMR_BASE + 0x1000) -#define GCNT_CNTCV_HI (MSM_TMR_BASE + 0x1004) - -uint64_t timer_hz(void) -{ - return GCNT_FREQ_MHZ * 1000 * 1000; -} - -uint64_t timer_raw_value(void) -{ - uint32_t hi, lo; - - do { - hi = read32(GCNT_CNTCV_HI); - lo = read32(GCNT_CNTCV_LO); - } while (hi != read32(GCNT_CNTCV_HI)); - - return ((((uint64_t)hi) << 32) | lo); -} diff --git a/payloads/libpayload/drivers/timer/mct.c b/payloads/libpayload/drivers/timer/mct.c deleted file mode 100644 index 992643d774..0000000000 --- a/payloads/libpayload/drivers/timer/mct.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <arch/io.h> -#include <libpayload.h> -#include <libpayload-config.h> -#include <stdint.h> - -#include "config.h" - -struct __attribute__((packed)) mct_regs -{ - uint32_t mct_cfg; - uint8_t reserved0[0xfc]; - uint32_t g_cnt_l; - uint32_t g_cnt_u; - uint8_t reserved1[0x8]; - uint32_t g_cnt_wstat; - uint8_t reserved2[0xec]; - uint32_t g_comp0_l; - uint32_t g_comp0_u; - uint32_t g_comp0_addr_incr; - uint8_t reserved3[0x4]; - uint32_t g_comp1_l; - uint32_t g_comp1_u; - uint32_t g_comp1_addr_incr; - uint8_t reserved4[0x4]; - uint32_t g_comp2_l; - uint32_t g_comp2_u; - uint32_t g_comp2_addr_incr; - uint8_t reserved5[0x4]; - uint32_t g_comp3_l; - uint32_t g_comp3_u; - uint32_t g_comp3_addr_incr; - uint8_t reserved6[0x4]; - uint32_t g_tcon; - uint32_t g_int_cstat; - uint32_t g_int_enb; - uint32_t g_wstat; - uint8_t reserved7[0xb0]; - uint32_t l0_tcntb; - uint32_t l0_tcnto; - uint32_t l0_icntb; - uint32_t l0_icnto; - uint32_t l0_frcntb; - uint32_t l0_frcnto; - uint8_t reserved8[0x8]; - uint32_t l0_tcon; - uint8_t reserved9[0xc]; - uint32_t l0_int_cstat; - uint32_t l0_int_enb; - uint8_t reserved10[0x8]; - uint32_t l0_wstat; - uint8_t reserved11[0xbc]; - uint32_t l1_tcntb; - uint32_t l1_tcnto; - uint32_t l1_icntb; - uint32_t l1_icnto; - uint32_t l1_frcntb; - uint32_t l1_frcnto; - uint8_t reserved12[0x8]; - uint32_t l1_tcon; - uint8_t reserved13[0xc]; - uint32_t l1_int_cstat; - uint32_t l1_int_enb; - uint8_t reserved14[0x8]; - uint32_t l1_wstat; -}; - -uint64_t timer_hz(void) -{ - return CONFIG_LP_TIMER_MCT_HZ; -} - -uint64_t timer_raw_value(void) -{ - static int enabled = 0; - - struct mct_regs * const mct = - (struct mct_regs *)(uintptr_t)CONFIG_LP_TIMER_MCT_ADDRESS; - - if (!enabled) { - writel(readl(&mct->g_tcon) | (0x1 << 8), &mct->g_tcon); - enabled = 1; - } - - uint64_t upper = readl(&mct->g_cnt_u); - uint64_t lower = readl(&mct->g_cnt_l); - - return (upper << 32) | lower; -} diff --git a/payloads/libpayload/drivers/timer/mtk_timer.c b/payloads/libpayload/drivers/timer/mtk_timer.c deleted file mode 100644 index 706ef482f2..0000000000 --- a/payloads/libpayload/drivers/timer/mtk_timer.c +++ /dev/null @@ -1,30 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2014 MediaTek Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include <arch/io.h> -#include <libpayload.h> -#include <libpayload-config.h> -#include <stdint.h> - -static uint32_t *const mtk_tmrus = (void*)CONFIG_LP_TIMER_MTK_ADDRESS; - -uint64_t timer_hz(void) -{ - return CONFIG_LP_TIMER_MTK_HZ; -} - -uint64_t timer_raw_value(void) -{ - return (uint64_t)readl(mtk_tmrus); -} diff --git a/payloads/libpayload/drivers/timer/rktimer.c b/payloads/libpayload/drivers/timer/rktimer.c deleted file mode 100644 index 5b4ce6b24f..0000000000 --- a/payloads/libpayload/drivers/timer/rktimer.c +++ /dev/null @@ -1,42 +0,0 @@ - -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Rockchip Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include <arch/io.h> -#include <libpayload.h> -#include <stdint.h> -struct rk_timer { - u32 timer_load_count0; - u32 timer_load_count1; - u32 timer_curr_value0; - u32 timer_curr_value1; - u32 timer_ctrl_reg; - u32 timer_int_status; -}; - -uint64_t timer_hz(void) -{ - return 24000000; -} - -uint64_t timer_raw_value(void) -{ - uint64_t upper; - uint64_t lower; - struct rk_timer *rk_timer; - rk_timer = (struct rk_timer *) CONFIG_LP_TIMER_RK_ADDRESS; - lower = (uint64_t) rk_timer->timer_curr_value0; - upper = (uint64_t) rk_timer->timer_curr_value1; - return (upper << 32) | lower; -} diff --git a/payloads/libpayload/drivers/timer/tegra_1us.c b/payloads/libpayload/drivers/timer/tegra_1us.c deleted file mode 100644 index f227ad0fdf..0000000000 --- a/payloads/libpayload/drivers/timer/tegra_1us.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <libpayload.h> -#include <libpayload-config.h> - -static uint32_t * const tegra_tmrus = (void *)CONFIG_LP_TIMER_TEGRA_1US_ADDRESS; - -uint64_t timer_hz(void) -{ - return 1000 * 1000; -} - -uint64_t timer_raw_value(void) -{ - return readl(tegra_tmrus); -} |