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authorThomas Abraham <thomas.ab@samsung.com>2015-08-03 12:28:00 (GMT)
committerMinkyu Kang <mk7.kang@samsung.com>2015-08-17 04:06:52 (GMT)
commit77b55e8cfcee9ce1a973bf4dad3e160dd0be01f3 (patch)
tree0ec9071faf7ea93eca773777c989f1da65aada24 /arch/arm/mach-exynos/system.c
parent632093b566569329bc6e5b0893bdca01de905314 (diff)
downloadu-boot-fsl-qoriq-77b55e8cfcee9ce1a973bf4dad3e160dd0be01f3.tar.xz
ARM: exynos: move SoC sources to mach-exynos
Move arch/arm/cpu/armv7/exynos/* to arch/arm/mach-exynos/* to allow reuse of existing code for ARMv8 based Exynos platforms. Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Albert Aribaud <albert.u.boot@aribaud.net> Cc: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Przemyslaw Marczak <p.marczak@samsung.com> Acked-by: Przemyslaw Marczak <p.marczak@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos/system.c')
-rw-r--r--arch/arm/mach-exynos/system.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/system.c b/arch/arm/mach-exynos/system.c
new file mode 100644
index 0000000..ad12445
--- /dev/null
+++ b/arch/arm/mach-exynos/system.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <dh09.lee@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/system.h>
+
+static void exynos5_set_usbhost_mode(unsigned int mode)
+{
+ struct exynos5_sysreg *sysreg =
+ (struct exynos5_sysreg *)samsung_get_base_sysreg();
+
+ /* Setting USB20PHY_CONFIG register to USB 2.0 HOST link */
+ if (mode == USB20_PHY_CFG_HOST_LINK_EN) {
+ setbits_le32(&sysreg->usb20phy_cfg,
+ USB20_PHY_CFG_HOST_LINK_EN);
+ } else {
+ clrbits_le32(&sysreg->usb20phy_cfg,
+ USB20_PHY_CFG_HOST_LINK_EN);
+ }
+}
+
+void set_usbhost_mode(unsigned int mode)
+{
+ if (cpu_is_exynos5())
+ exynos5_set_usbhost_mode(mode);
+}
+
+static void exynos4_set_system_display(void)
+{
+ struct exynos4_sysreg *sysreg =
+ (struct exynos4_sysreg *)samsung_get_base_sysreg();
+ unsigned int cfg = 0;
+
+ /*
+ * system register path set
+ * 0: MIE/MDNIE
+ * 1: FIMD Bypass
+ */
+ cfg = readl(&sysreg->display_ctrl);
+ cfg |= (1 << 1);
+ writel(cfg, &sysreg->display_ctrl);
+}
+
+static void exynos5_set_system_display(void)
+{
+ struct exynos5_sysreg *sysreg =
+ (struct exynos5_sysreg *)samsung_get_base_sysreg();
+ unsigned int cfg = 0;
+
+ /*
+ * system register path set
+ * 0: MIE/MDNIE
+ * 1: FIMD Bypass
+ */
+ cfg = readl(&sysreg->disp1blk_cfg);
+ cfg |= (1 << 15);
+ writel(cfg, &sysreg->disp1blk_cfg);
+}
+
+void set_system_display_ctrl(void)
+{
+ if (cpu_is_exynos4())
+ exynos4_set_system_display();
+ else
+ exynos5_set_system_display();
+}