Replace Rockchip delay timer by generic one

Use the generic delay timer instead of having a specific platform
file for configuring it.

Change-Id: Ifa68b9c97cd96ae1190cee74d22d729af95e4537

plat/rockchip/common/bl31_plat_setup.c

@@ -33,6 +33,7 @@
 #include <bl_common.h>
 #include <console.h>
 #include <debug.h>
+#include <generic_delay_timer.h>
 #include <mmio.h>
 #include <platform.h>
 #include <plat_private.h>
@@ -126,7 +127,7 @@ void bl31_early_platform_setup(bl31_params_t *from_bl2,
  ******************************************************************************/
 void bl31_platform_setup(void)
 {
-	plat_delay_timer_init();
+	generic_delay_timer_init();
 	plat_rockchip_soc_init();
 
 	/* Initialize the gic cpu and distributor interfaces */

plat/rockchip/common/plat_delay_timer.c

-/*
- * Copyright (c) 2016, ARM Limited and Contributors. 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 ARM 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 BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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_helpers.h>
-#include <delay_timer.h>
-#include <platform_def.h>
-
-static uint32_t plat_get_timer_value(void)
-{
-	/*
-	 * Generic delay timer implementation expects the timer to be a down
-	 * counter. We apply bitwise NOT operator to the tick values returned
-	 * by read_cntpct_el0() to simulate the down counter.
-	 */
-	return (uint32_t)(~read_cntpct_el0());
-}
-
-static const timer_ops_t plat_timer_ops = {
-	.get_timer_value	= plat_get_timer_value,
-	.clk_mult		= 1,
-	.clk_div		= SYS_COUNTER_FREQ_IN_MHZ,
-};
-
-void plat_delay_timer_init(void)
-{
-	timer_init(&plat_timer_ops);
-}

plat/rockchip/rk3368/platform.mk

@@ -58,13 +58,13 @@ BL31_SOURCES		+=	${RK_GIC_SOURCES}				\
 				drivers/console/console.S			\
 				drivers/ti/uart/16550_console.S			\
 				drivers/delay_timer/delay_timer.c		\
+				drivers/delay_timer/generic_delay_timer.c	\
 				lib/cpus/aarch64/cortex_a53.S			\
 				plat/common/aarch64/platform_mp_stack.S		\
 				${RK_PLAT_COMMON}/aarch64/plat_helpers.S	\
 				${RK_PLAT_COMMON}/bl31_plat_setup.c		\
 				${RK_PLAT_COMMON}/pmusram/pmu_sram_cpus_on.S		\
 				${RK_PLAT_COMMON}/pmusram/pmu_sram.c		\
-				${RK_PLAT_COMMON}/plat_delay_timer.c		\
 				${RK_PLAT_COMMON}/plat_pm.c			\
 				${RK_PLAT_COMMON}/plat_topology.c		\
 				${RK_PLAT_COMMON}/aarch64/platform_common.c	\

plat/rockchip/rk3368/rk3368_def.h

@@ -89,7 +89,6 @@
  * System counter frequency related constants
  ******************************************************************************/
 #define SYS_COUNTER_FREQ_IN_TICKS	24000000
-#define SYS_COUNTER_FREQ_IN_MHZ		24
 
 /******************************************************************************
  * GIC-400 & interrupt handling related constants

plat/rockchip/rk3399/platform.mk

@@ -57,6 +57,7 @@ BL31_SOURCES            +=      ${RK_GIC_SOURCES}
                                 drivers/console/console.S                       \
                                 drivers/ti/uart/16550_console.S                 \
                                 drivers/delay_timer/delay_timer.c               \
+                                drivers/delay_timer/generic_delay_timer.c	\
                                 lib/cpus/aarch64/cortex_a53.S                   \
                                 lib/cpus/aarch64/cortex_a72.S                   \
                                 plat/common/aarch64/platform_mp_stack.S         \
@@ -64,7 +65,6 @@ BL31_SOURCES            +=      ${RK_GIC_SOURCES}
                                 ${RK_PLAT_COMMON}/bl31_plat_setup.c             \
                                 ${RK_PLAT_COMMON}/pmusram/pmu_sram_cpus_on.S	\
 				${RK_PLAT_COMMON}/pmusram/pmu_sram.c		\
-                                ${RK_PLAT_COMMON}/plat_delay_timer.c            \
                                 ${RK_PLAT_COMMON}/plat_pm.c                     \
                                 ${RK_PLAT_COMMON}/plat_topology.c               \
                                 ${RK_PLAT_COMMON}/aarch64/platform_common.c        \

plat/rockchip/rk3399/rk3399_def.h

@@ -89,7 +89,6 @@
  * System counter frequency related constants
  ******************************************************************************/
 #define SYS_COUNTER_FREQ_IN_TICKS	24000000
-#define SYS_COUNTER_FREQ_IN_MHZ		24
 
 /* Base rockchip_platform compatible GIC memory map */
 #define BASE_GICD_BASE		(GIC500_BASE)