2 * Copyright (C) 2012 Samsung Electronics
3 * Donghwa Lee <dh09.lee@samsung.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/arch/system.h>
28 static void exynos5_set_usbhost_mode(unsigned int mode)
30 struct exynos5_sysreg *sysreg =
31 (struct exynos5_sysreg *)samsung_get_base_sysreg();
33 /* Setting USB20PHY_CONFIG register to USB 2.0 HOST link */
34 if (mode == USB20_PHY_CFG_HOST_LINK_EN) {
35 setbits_le32(&sysreg->usb20phy_cfg,
36 USB20_PHY_CFG_HOST_LINK_EN);
38 clrbits_le32(&sysreg->usb20phy_cfg,
39 USB20_PHY_CFG_HOST_LINK_EN);
43 void set_usbhost_mode(unsigned int mode)
46 exynos5_set_usbhost_mode(mode);
49 static void exynos4_set_system_display(void)
51 struct exynos4_sysreg *sysreg =
52 (struct exynos4_sysreg *)samsung_get_base_sysreg();
56 * system register path set
60 cfg = readl(&sysreg->display_ctrl);
62 writel(cfg, &sysreg->display_ctrl);
65 static void exynos5_set_system_display(void)
67 struct exynos5_sysreg *sysreg =
68 (struct exynos5_sysreg *)samsung_get_base_sysreg();
72 * system register path set
76 cfg = readl(&sysreg->disp1blk_cfg);
78 writel(cfg, &sysreg->disp1blk_cfg);
81 void set_system_display_ctrl(void)
84 exynos4_set_system_display();
86 exynos5_set_system_display();