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-rw-r--r--payloads/libpayload/drivers/Makefile.inc11
-rw-r--r--payloads/libpayload/drivers/timer/Kconfig97
-rw-r--r--payloads/libpayload/drivers/timer/bg4cd.c26
-rw-r--r--payloads/libpayload/drivers/timer/cygnus.c52
-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.c52
-rw-r--r--payloads/libpayload/drivers/timer/mct.c115
-rw-r--r--payloads/libpayload/drivers/timer/mtk_timer.c30
-rw-r--r--payloads/libpayload/drivers/timer/rktimer.c42
-rw-r--r--payloads/libpayload/drivers/timer/tegra_1us.c41
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);
-}