arm: rockchip: remove setting for rk timer

Change-Id: I74200f86a5fe3cc023282b7b0e452826554dd102
Signed-off-by: Xu Jianqun <jay.xu@rock-chips.com>

arch/arm/mach-rockchip/rockchip.c

@@ -37,24 +37,6 @@ static void __init rockchip_timer_init(void)
 {
 	if (of_machine_is_compatible("rockchip,rk3288")) {
 		struct regmap *grf;
-		void __iomem *reg_base;
-
-		/*
-		 * Most/all uboot versions for rk3288 don't enable timer7
-		 * which is needed for the architected timer to work.
-		 * So make sure it is running during early boot.
-		 */
-		reg_base = ioremap(RK3288_TIMER6_7_PHYS, SZ_16K);
-		if (reg_base) {
-			writel(0, reg_base + 0x30);
-			writel(0xffffffff, reg_base + 0x20);
-			writel(0xffffffff, reg_base + 0x24);
-			writel(1, reg_base + 0x30);
-			dsb();
-			iounmap(reg_base);
-		} else {
-			pr_err("rockchip: could not map timer7 registers\n");
-		}
 
 		/*
 		 * Disable auto jtag/sdmmc switching that causes issues