diff options
| -rw-r--r-- | drivers/ata/Makefile | 1 | ||||
| -rw-r--r-- | drivers/ata/mxc_ata.c | 129 |
2 files changed, 0 insertions, 130 deletions
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 7a4c8c6bf2..a94c804e7a 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_DWC_AHSATA) += dwc_ahsata.o obj-$(CONFIG_FSL_SATA) += fsl_sata.o obj-$(CONFIG_LIBATA) += libata.o obj-$(CONFIG_MVSATA_IDE) += mvsata_ide.o -obj-$(CONFIG_MX51_PATA) += mxc_ata.o obj-$(CONFIG_SATA) += sata.o obj-$(CONFIG_SATA_CEVA) += sata_ceva.o obj-$(CONFIG_SATA_MV) += sata_mv.o diff --git a/drivers/ata/mxc_ata.c b/drivers/ata/mxc_ata.c deleted file mode 100644 index 44bb406f4d..0000000000 --- a/drivers/ata/mxc_ata.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Freescale iMX51 ATA driver - * - * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> - * - * Based on code by: - * Mahesh Mahadevan <mahesh.mahadevan@freescale.com> - * - * Based on code from original FSL ATA driver, which is - * part of eCos, the Embedded Configurable Operating System. - * Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <config.h> -#include <asm/byteorder.h> -#include <asm/io.h> -#include <ide.h> - -#include <asm/arch/imx-regs.h> -#include <asm/arch/clock.h> - -/* MXC ATA register offsets */ -struct mxc_ata_config_regs { - u8 time_off; /* 0x00 */ - u8 time_on; - u8 time_1; - u8 time_2w; - u8 time_2r; - u8 time_ax; - u8 time_pio_rdx; - u8 time_4; - u8 time_9; - u8 time_m; - u8 time_jn; - u8 time_d; - u8 time_k; - u8 time_ack; - u8 time_env; - u8 time_udma_rdx; - u8 time_zah; /* 0x10 */ - u8 time_mlix; - u8 time_dvh; - u8 time_dzfs; - u8 time_dvs; - u8 time_cvh; - u8 time_ss; - u8 time_cyc; - u32 fifo_data_32; /* 0x18 */ - u32 fifo_data_16; - u32 fifo_fill; - u32 ata_control; - u32 interrupt_pending; - u32 interrupt_enable; - u32 interrupt_clear; - u32 fifo_alarm; -}; - -struct mxc_data_hdd_regs { - u32 drive_data; /* 0xa0 */ - u32 drive_features; - u32 drive_sector_count; - u32 drive_sector_num; - u32 drive_cyl_low; - u32 drive_cyl_high; - u32 drive_dev_head; - u32 command; - u32 status; - u32 alt_status; -}; - -/* PIO timing table */ -#define NR_PIO_SPECS 5 -static uint16_t pio_t1[NR_PIO_SPECS] = { 70, 50, 30, 30, 25 }; -static uint16_t pio_t2_8[NR_PIO_SPECS] = { 290, 290, 290, 80, 70 }; -static uint16_t pio_t4[NR_PIO_SPECS] = { 30, 20, 15, 10, 10 }; -static uint16_t pio_t9[NR_PIO_SPECS] = { 20, 15, 10, 10, 10 }; -static uint16_t pio_tA[NR_PIO_SPECS] = { 50, 50, 50, 50, 50 }; - -#define REG2OFF(reg) ((((uint32_t)reg) & 0x3) * 8) -static void set_ata_bus_timing(unsigned char mode) -{ - uint32_t T = 1000000000 / mxc_get_clock(MXC_IPG_CLK); - - struct mxc_ata_config_regs *ata_regs; - ata_regs = (struct mxc_ata_config_regs *)CONFIG_SYS_ATA_BASE_ADDR; - - if (mode >= NR_PIO_SPECS) - return; - - /* Write TIME_OFF/ON/1/2W */ - writeb(3, &ata_regs->time_off); - writeb(3, &ata_regs->time_on); - writeb((pio_t1[mode] + T) / T, &ata_regs->time_1); - writeb((pio_t2_8[mode] + T) / T, &ata_regs->time_2w); - - /* Write TIME_2R/AX/RDX/4 */ - writeb((pio_t2_8[mode] + T) / T, &ata_regs->time_2r); - writeb((pio_tA[mode] + T) / T + 2, &ata_regs->time_ax); - writeb(1, &ata_regs->time_pio_rdx); - writeb((pio_t4[mode] + T) / T, &ata_regs->time_4); - - /* Write TIME_9 ; the rest of timing registers is irrelevant for PIO */ - writeb((pio_t9[mode] + T) / T, &ata_regs->time_9); -} - -int ide_preinit(void) -{ - struct mxc_ata_config_regs *ata_regs; - ata_regs = (struct mxc_ata_config_regs *)CONFIG_SYS_ATA_BASE_ADDR; - - /* 46.3.3.4 @ FSL iMX51 manual */ - /* FIFO normal op., drive reset */ - writel(0x80, &ata_regs->ata_control); - /* FIFO normal op., drive not reset */ - writel(0xc0, &ata_regs->ata_control); - - /* Configure the PIO timing */ - set_ata_bus_timing(CONFIG_MXC_ATA_PIO_MODE); - - /* 46.3.3.4 @ FSL iMX51 manual */ - /* Drive not reset, IORDY handshake */ - writel(0x41, &ata_regs->ata_control); - - return 0; -} |