From 655d69faaf4bb1e7d3e9c31f07259b61c27e719e Mon Sep 17 00:00:00 2001 From: Ashok Reddy Soma Date: Mon, 2 Aug 2021 23:20:44 -0600 Subject: mmc: zynq_sdhci: Move setting tapdelay code to driver Move tapdelay function calls to zynq_sdhci.c and make them static inline. zynqmp_tap_delay.h has function prototypes for the functions defined in tap_delays.c, which will not be needed anymore. Remove tap_delays.c and zynqmp_tap_delay.h files. Signed-off-by: Ashok Reddy Soma Signed-off-by: Michal Simek Reviewed-by: Jaehoon Chung --- board/xilinx/zynqmp/Makefile | 2 - board/xilinx/zynqmp/tap_delays.c | 115 --------------------------------------- 2 files changed, 117 deletions(-) delete mode 100644 board/xilinx/zynqmp/tap_delays.c (limited to 'board') diff --git a/board/xilinx/zynqmp/Makefile b/board/xilinx/zynqmp/Makefile index 7d8277c..a914028 100644 --- a/board/xilinx/zynqmp/Makefile +++ b/board/xilinx/zynqmp/Makefile @@ -44,8 +44,6 @@ $(obj)/pm_cfg_obj.o: $(shell cd $(srctree); readlink -f $(CONFIG_ZYNQMP_SPL_PM_C endif endif -obj-$(CONFIG_MMC_SDHCI_ZYNQ) += tap_delays.o - ifndef CONFIG_SPL_BUILD obj-$(CONFIG_CMD_ZYNQMP) += cmds.o endif diff --git a/board/xilinx/zynqmp/tap_delays.c b/board/xilinx/zynqmp/tap_delays.c deleted file mode 100644 index 514f86a..0000000 --- a/board/xilinx/zynqmp/tap_delays.c +++ /dev/null @@ -1,115 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Xilinx ZynqMP SoC Tap Delay Programming - * - * Copyright (C) 2018 Xilinx, Inc. - */ - -#include -#include -#include -#include -#include -#include -#include - -#define SD_DLL_CTRL 0xFF180358 -#define SD_ITAP_DLY 0xFF180314 -#define SD_OTAP_DLY 0xFF180318 -#define SD0_DLL_RST BIT(2) -#define SD1_DLL_RST BIT(18) -#define SD0_ITAPCHGWIN BIT(9) -#define SD1_ITAPCHGWIN BIT(25) -#define SD0_ITAPDLYENA BIT(8) -#define SD1_ITAPDLYENA BIT(24) -#define SD0_ITAPDLYSEL_MASK GENMASK(7, 0) -#define SD1_ITAPDLYSEL_MASK GENMASK(23, 16) -#define SD0_OTAPDLYSEL_MASK GENMASK(5, 0) -#define SD1_OTAPDLYSEL_MASK GENMASK(21, 16) - -int zynqmp_dll_reset(u8 node_id, u32 type) -{ - if (IS_ENABLED(CONFIG_SPL_BUILD) || current_el() == 3) { - if (node_id == NODE_SD_0) - return zynqmp_mmio_write(SD_DLL_CTRL, SD0_DLL_RST, - type == PM_DLL_RESET_ASSERT ? - SD0_DLL_RST : 0); - - return zynqmp_mmio_write(SD_DLL_CTRL, SD1_DLL_RST, - type == PM_DLL_RESET_ASSERT ? - SD1_DLL_RST : 0); - } else { - return xilinx_pm_request(PM_IOCTL, (u32)node_id, - IOCTL_SD_DLL_RESET, type, 0, NULL); - } -} - -int arasan_zynqmp_set_in_tapdelay(u8 node_id, u32 itap_delay) -{ - int ret; - - if (IS_ENABLED(CONFIG_SPL_BUILD) || current_el() == 3) { - if (node_id == NODE_SD_0) { - ret = zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN, - SD0_ITAPCHGWIN); - if (ret) - return ret; - - ret = zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPDLYENA, - SD0_ITAPDLYENA); - if (ret) - return ret; - - ret = zynqmp_mmio_write(SD_ITAP_DLY, - SD0_ITAPDLYSEL_MASK, - itap_delay); - if (ret) - return ret; - - ret = zynqmp_mmio_write(SD_ITAP_DLY, SD0_ITAPCHGWIN, 0); - if (ret) - return ret; - } - ret = zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN, - SD1_ITAPCHGWIN); - if (ret) - return ret; - - ret = zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYENA, - SD1_ITAPDLYENA); - if (ret) - return ret; - - ret = zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPDLYSEL_MASK, - (itap_delay << 16)); - if (ret) - return ret; - - ret = zynqmp_mmio_write(SD_ITAP_DLY, SD1_ITAPCHGWIN, 0); - if (ret) - return ret; - } else { - return xilinx_pm_request(PM_IOCTL, (u32)node_id, - IOCTL_SET_SD_TAPDELAY, - PM_TAPDELAY_INPUT, itap_delay, NULL); - } - - return 0; -} - -int arasan_zynqmp_set_out_tapdelay(u8 node_id, u32 otap_delay) -{ - if (IS_ENABLED(CONFIG_SPL_BUILD) || current_el() == 3) { - if (node_id == NODE_SD_0) - return zynqmp_mmio_write(SD_OTAP_DLY, - SD0_OTAPDLYSEL_MASK, - otap_delay); - - return zynqmp_mmio_write(SD_OTAP_DLY, SD1_OTAPDLYSEL_MASK, - (otap_delay << 16)); - } else { - return xilinx_pm_request(PM_IOCTL, (u32)node_id, - IOCTL_SET_SD_TAPDELAY, - PM_TAPDELAY_OUTPUT, otap_delay, NULL); - } -} -- cgit v1.1