diff options
Diffstat (limited to 'board/xilinx/zynqmp/tap_delays.c')
-rw-r--r-- | board/xilinx/zynqmp/tap_delays.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/board/xilinx/zynqmp/tap_delays.c b/board/xilinx/zynqmp/tap_delays.c deleted file mode 100644 index d16bbb8..0000000 --- a/board/xilinx/zynqmp/tap_delays.c +++ /dev/null @@ -1,101 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Xilinx ZynqMP SoC Tap Delay Programming - * - * Copyright (C) 2018 Xilinx, Inc. - */ - -#include <common.h> -#include <zynqmp_tap_delay.h> -#include <asm/arch/sys_proto.h> -#include <linux/delay.h> -#include <mmc.h> - -#define SD_DLL_CTRL 0xFF180358 -#define SD_ITAP_DLY 0xFF180314 -#define SD_OTAP_DLY 0xFF180318 -#define SD0_DLL_RST_MASK 0x00000004 -#define SD0_DLL_RST 0x00000004 -#define SD1_DLL_RST_MASK 0x00040000 -#define SD1_DLL_RST 0x00040000 -#define SD0_ITAPCHGWIN_MASK 0x00000200 -#define SD0_ITAPCHGWIN 0x00000200 -#define SD1_ITAPCHGWIN_MASK 0x02000000 -#define SD1_ITAPCHGWIN 0x02000000 -#define SD0_ITAPDLYENA_MASK 0x00000100 -#define SD0_ITAPDLYENA 0x00000100 -#define SD1_ITAPDLYENA_MASK 0x01000000 -#define SD1_ITAPDLYENA 0x01000000 -#define SD0_ITAPDLYSEL_MASK 0x000000FF -#define SD1_ITAPDLYSEL_MASK 0x00FF0000 -#define SD0_OTAPDLYSEL_MASK 0x0000003F -#define SD1_OTAPDLYSEL_MASK 0x003F0000 - -void zynqmp_dll_reset(u8 deviceid) -{ - /* Issue DLL Reset */ - if (deviceid == 0) - zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, - SD0_DLL_RST); - else - zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, - SD1_DLL_RST); - - mdelay(1); - - /* Release DLL Reset */ - if (deviceid == 0) - zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, 0x0); - else - zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0); -} - -void arasan_zynqmp_set_in_tapdelay(u8 deviceid, u32 itap_delay) -{ - if (deviceid == 0) { - zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, SD0_DLL_RST); - - /* Program ITAP delay */ - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, - SD0_ITAPCHGWIN); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYENA_MASK, - SD0_ITAPDLYENA); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYSEL_MASK, itap_delay); - zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN_MASK, 0x0); - - zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, 0x0); - } else { - zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, SD1_DLL_RST); - - /* Program ITAP delay */ - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, - SD1_ITAPCHGWIN); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYENA_MASK, - SD1_ITAPDLYENA); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK, - (itap_delay << 16)); - zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN_MASK, 0x0); - - zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0); - } -} - -void arasan_zynqmp_set_out_tapdelay(u8 deviceid, u32 otap_delay) -{ - if (deviceid == 0) { - zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, SD0_DLL_RST); - - /* Program OTAP delay */ - zynqmp_mmio_write(SD_OTAP_DLY, SD0_OTAPDLYSEL_MASK, otap_delay); - - zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST_MASK, 0x0); - } else { - zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, SD1_DLL_RST); - - /* Program OTAP delay */ - zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - (otap_delay << 16)); - - zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST_MASK, 0x0); - } -} |