[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/arm/mach-s3c64xx/cpuidle.c b/src/kernel/linux/v4.19/arch/arm/mach-s3c64xx/cpuidle.c
new file mode 100644
index 0000000..0bac6f6
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/arm/mach-s3c64xx/cpuidle.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2011 Wolfson Microelectronics, plc
+// Copyright (c) 2011 Samsung Electronics Co., Ltd.
+// http://www.samsung.com
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/cpuidle.h>
+#include <linux/io.h>
+#include <linux/export.h>
+#include <linux/time.h>
+
+#include <asm/cpuidle.h>
+
+#include <plat/cpu.h>
+#include <mach/map.h>
+
+#include "regs-sys.h"
+#include "regs-syscon-power.h"
+
+static int s3c64xx_enter_idle(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index)
+{
+ unsigned long tmp;
+
+ /* Setup PWRCFG to enter idle mode */
+ tmp = __raw_readl(S3C64XX_PWR_CFG);
+ tmp &= ~S3C64XX_PWRCFG_CFG_WFI_MASK;
+ tmp |= S3C64XX_PWRCFG_CFG_WFI_IDLE;
+ __raw_writel(tmp, S3C64XX_PWR_CFG);
+
+ cpu_do_idle();
+
+ return index;
+}
+
+static struct cpuidle_driver s3c64xx_cpuidle_driver = {
+ .name = "s3c64xx_cpuidle",
+ .owner = THIS_MODULE,
+ .states = {
+ {
+ .enter = s3c64xx_enter_idle,
+ .exit_latency = 1,
+ .target_residency = 1,
+ .name = "IDLE",
+ .desc = "System active, ARM gated",
+ },
+ },
+ .state_count = 1,
+};
+
+static int __init s3c64xx_init_cpuidle(void)
+{
+ if (soc_is_s3c64xx())
+ return cpuidle_register(&s3c64xx_cpuidle_driver, NULL);
+ return 0;
+}
+device_initcall(s3c64xx_init_cpuidle);