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Diffstat (limited to 'arch/arm/mach-mx3/qong.c')
-rw-r--r--arch/arm/mach-mx3/qong.c285
1 files changed, 0 insertions, 285 deletions
diff --git a/arch/arm/mach-mx3/qong.c b/arch/arm/mach-mx3/qong.c
deleted file mode 100644
index 044511f1b9a9..000000000000
--- a/arch/arm/mach-mx3/qong.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- * Copyright (C) 2009 Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/memory.h>
-#include <linux/platform_device.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mtd/nand.h>
-#include <linux/gpio.h>
-
-#include <mach/hardware.h>
-#include <mach/irqs.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/time.h>
-#include <asm/mach/map.h>
-#include <mach/common.h>
-#include <asm/page.h>
-#include <asm/setup.h>
-#include <mach/board-qong.h>
-#include <mach/imx-uart.h>
-#include <mach/iomux-mx3.h>
-#include "devices.h"
-
-/* FPGA defines */
-#define QONG_FPGA_VERSION(major, minor, rev) \
- (((major & 0xF) << 12) | ((minor & 0xF) << 8) | (rev & 0xFF))
-
-#define QONG_FPGA_BASEADDR CS1_BASE_ADDR
-#define QONG_FPGA_PERIPH_SIZE (1 << 24)
-
-#define QONG_FPGA_CTRL_BASEADDR QONG_FPGA_BASEADDR
-#define QONG_FPGA_CTRL_SIZE 0x10
-/* FPGA control registers */
-#define QONG_FPGA_CTRL_VERSION 0x00
-
-#define QONG_DNET_ID 1
-#define QONG_DNET_BASEADDR \
- (QONG_FPGA_BASEADDR + QONG_DNET_ID * QONG_FPGA_PERIPH_SIZE)
-#define QONG_DNET_SIZE 0x00001000
-
-#define QONG_FPGA_IRQ IOMUX_TO_IRQ(MX31_PIN_DTR_DCE1)
-
-/*
- * This file contains the board-specific initialization routines.
- */
-
-static struct imxuart_platform_data uart_pdata = {
- .flags = IMXUART_HAVE_RTSCTS,
-};
-
-static int uart_pins[] = {
- MX31_PIN_CTS1__CTS1,
- MX31_PIN_RTS1__RTS1,
- MX31_PIN_TXD1__TXD1,
- MX31_PIN_RXD1__RXD1
-};
-
-static inline void mxc_init_imx_uart(void)
-{
- mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins),
- "uart-0");
- mxc_register_device(&mxc_uart_device0, &uart_pdata);
-}
-
-static struct resource dnet_resources[] = {
- {
- .name = "dnet-memory",
- .start = QONG_DNET_BASEADDR,
- .end = QONG_DNET_BASEADDR + QONG_DNET_SIZE - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = QONG_FPGA_IRQ,
- .end = QONG_FPGA_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device dnet_device = {
- .name = "dnet",
- .id = -1,
- .num_resources = ARRAY_SIZE(dnet_resources),
- .resource = dnet_resources,
-};
-
-static int __init qong_init_dnet(void)
-{
- int ret;
-
- ret = platform_device_register(&dnet_device);
- return ret;
-}
-
-/* MTD NOR flash */
-
-static struct physmap_flash_data qong_flash_data = {
- .width = 2,
-};
-
-static struct resource qong_flash_resource = {
- .start = CS0_BASE_ADDR,
- .end = CS0_BASE_ADDR + QONG_NOR_SIZE - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device qong_nor_mtd_device = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &qong_flash_data,
- },
- .resource = &qong_flash_resource,
- .num_resources = 1,
-};
-
-static void qong_init_nor_mtd(void)
-{
- (void)platform_device_register(&qong_nor_mtd_device);
-}
-
-/*
- * Hardware specific access to control-lines
- */
-static void qong_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
- struct nand_chip *nand_chip = mtd->priv;
-
- if (cmd == NAND_CMD_NONE)
- return;
-
- if (ctrl & NAND_CLE)
- writeb(cmd, nand_chip->IO_ADDR_W + (1 << 24));
- else
- writeb(cmd, nand_chip->IO_ADDR_W + (1 << 23));
-}
-
-/*
- * Read the Device Ready pin.
- */
-static int qong_nand_device_ready(struct mtd_info *mtd)
-{
- return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_NFRB));
-}
-
-static void qong_nand_select_chip(struct mtd_info *mtd, int chip)
-{
- if (chip >= 0)
- gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), 0);
- else
- gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), 1);
-}
-
-static struct platform_nand_data qong_nand_data = {
- .chip = {
- .chip_delay = 20,
- .options = 0,
- },
- .ctrl = {
- .cmd_ctrl = qong_nand_cmd_ctrl,
- .dev_ready = qong_nand_device_ready,
- .select_chip = qong_nand_select_chip,
- }
-};
-
-static struct resource qong_nand_resource = {
- .start = CS3_BASE_ADDR,
- .end = CS3_BASE_ADDR + SZ_32M - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device qong_nand_device = {
- .name = "gen_nand",
- .id = -1,
- .dev = {
- .platform_data = &qong_nand_data,
- },
- .num_resources = 1,
- .resource = &qong_nand_resource,
-};
-
-static void __init qong_init_nand_mtd(void)
-{
- /* init CS */
- __raw_writel(0x00004f00, CSCR_U(3));
- __raw_writel(0x20013b31, CSCR_L(3));
- __raw_writel(0x00020800, CSCR_A(3));
- mxc_iomux_set_gpr(MUX_SDCTL_CSD1_SEL, true);
-
- /* enable pin */
- mxc_iomux_mode(IOMUX_MODE(MX31_PIN_NFCE_B, IOMUX_CONFIG_GPIO));
- if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), "nand_enable"))
- gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_NFCE_B), 0);
-
- /* ready/busy pin */
- mxc_iomux_mode(IOMUX_MODE(MX31_PIN_NFRB, IOMUX_CONFIG_GPIO));
- if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_NFRB), "nand_rdy"))
- gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_NFRB));
-
- /* write protect pin */
- mxc_iomux_mode(IOMUX_MODE(MX31_PIN_NFWP_B, IOMUX_CONFIG_GPIO));
- if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_NFWP_B), "nand_wp"))
- gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_NFWP_B));
-
- platform_device_register(&qong_nand_device);
-}
-
-static void __init qong_init_fpga(void)
-{
- void __iomem *regs;
- u32 fpga_ver;
-
- regs = ioremap(QONG_FPGA_CTRL_BASEADDR, QONG_FPGA_CTRL_SIZE);
- if (!regs) {
- printk(KERN_ERR "%s: failed to map registers, aborting.\n",
- __func__);
- return;
- }
-
- fpga_ver = readl(regs + QONG_FPGA_CTRL_VERSION);
- iounmap(regs);
- printk(KERN_INFO "Qong FPGA version %d.%d.%d\n",
- (fpga_ver & 0xF000) >> 12,
- (fpga_ver & 0x0F00) >> 8, fpga_ver & 0x00FF);
- if (fpga_ver < QONG_FPGA_VERSION(0, 8, 7)) {
- printk(KERN_ERR "qong: Unexpected FPGA version, FPGA-based "
- "devices won't be registered!\n");
- return;
- }
-
- /* register FPGA-based devices */
- qong_init_nand_mtd();
- qong_init_dnet();
-}
-
-/*
- * Board specific initialization.
- */
-static void __init mxc_board_init(void)
-{
- mxc_init_imx_uart();
- qong_init_nor_mtd();
- qong_init_fpga();
-}
-
-static void __init qong_timer_init(void)
-{
- mx31_clocks_init(26000000);
-}
-
-static struct sys_timer qong_timer = {
- .init = qong_timer_init,
-};
-
-/*
- * The following uses standard kernel macros defined in arch.h in order to
- * initialize __mach_desc_QONG data structure.
- */
-
-MACHINE_START(QONG, "Dave/DENX QongEVB-LITE")
- /* Maintainer: DENX Software Engineering GmbH */
- .phys_io = AIPS1_BASE_ADDR,
- .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
- .boot_params = PHYS_OFFSET + 0x100,
- .map_io = mx31_map_io,
- .init_irq = mx31_init_irq,
- .init_machine = mxc_board_init,
- .timer = &qong_timer,
-MACHINE_END
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-23 22:28:21 +0000