diff options
Diffstat (limited to 'roms/u-boot/arch/arm/mach-uniphier/clk/clk-ld11.c')
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/clk/clk-ld11.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-uniphier/clk/clk-ld11.c b/roms/u-boot/arch/arm/mach-uniphier/clk/clk-ld11.c new file mode 100644 index 000000000..d241a6538 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/clk/clk-ld11.c @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Socionext Inc. + */ + +#include <spl.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/io.h> + +#include "../init.h" +#include "../sc64-regs.h" +#include "../sg-regs.h" + +#define SDCTRL_EMMC_HW_RESET 0x59810280 + +void uniphier_ld11_clk_init(void) +{ + /* if booted from a device other than USB, without stand-by MPU */ + if ((readl(sg_base + SG_PINMON0) & BIT(27)) && + uniphier_boot_device_raw() != BOOT_DEVICE_USB) { + writel(1, sg_base + SG_ETPHYPSHUT); + writel(1, sg_base + SG_ETPHYCNT); + + udelay(1); /* wait for regulator level 1.1V -> 2.5V */ + + writel(3, sg_base + SG_ETPHYCNT); + writel(3, sg_base + SG_ETPHYPSHUT); + writel(7, sg_base + SG_ETPHYCNT); + } + + /* TODO: use "mmc-pwrseq-emmc" */ + writel(1, SDCTRL_EMMC_HW_RESET); + +#ifdef CONFIG_USB_EHCI_HCD + { + int ch; + + for (ch = 0; ch < 3; ch++) { + void __iomem *phyctrl = sg_base + SG_USBPHYCTRL; + + writel(0x82280600, phyctrl + 8 * ch); + writel(0x00000106, phyctrl + 8 * ch + 4); + } + } +#endif +} |