diff options
author | Thomas Abraham <thomas.ab@samsung.com> | 2015-08-03 17:58:00 +0530 |
---|---|---|
committer | Minkyu Kang <mk7.kang@samsung.com> | 2015-08-17 13:06:52 +0900 |
commit | 77b55e8cfcee9ce1a973bf4dad3e160dd0be01f3 (patch) | |
tree | 0ec9071faf7ea93eca773777c989f1da65aada24 /arch/arm/mach-exynos/system.c | |
parent | 632093b566569329bc6e5b0893bdca01de905314 (diff) |
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.c | 71 |
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 00000000000..ad12445832c --- /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(); +} |