mirror of https://github.com/hak5/openwrt-owl.git
NAND driver cleanups, thanks to Alexandros C. Couloumbis for testing * use generic NAND driver from now * add experimental support for RouterBOARD 150 NAND device
SVN-Revision: 9118owl
Gabor Juhos
parent
3120f8a5c0
commit
f1e27efedd
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@ -1,11 +1,18 @@
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/*
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* $Id$
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*
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* Mikrotik RouterBOARDs 1xx series
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* Mikrotik RouterBOARD 1xx series
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*
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* Copyright (C) 2007 OpenWrt.org
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* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
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*
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* NAND initialization code was based on a driver for Linux 2.6.19+ which
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* was derived from the driver for Linux 2.4.xx published by Mikrotik for
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* their RouterBoard 1xx and 5xx series boards.
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* Copyright (C) 2007 David Goodenough <david.goodenough@linkchoose.co.uk>
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* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
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* The original Mikrotik code seems not to have a license.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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@ -25,13 +32,33 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <asm/bootinfo.h>
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#include <asm/gpio.h>
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#include <adm5120_defs.h>
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#include <adm5120_irq.h>
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#include <adm5120_nand.h>
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#include <adm5120_board.h>
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#include <adm5120_platform.h>
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#include <adm5120_irq.h>
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#define RB1XX_NAND_CHIP_DELAY 25
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#define RB150_NAND_BASE 0x1FC80000
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#define RB150_NAND_SIZE 1
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#define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
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#define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
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#define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
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#define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
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#define RB150_NAND_DELAY 100
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#define RB150_NAND_WRITE(v) \
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writeb((v),(void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
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/*--------------------------------------------------------------------------*/
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static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
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PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0),
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@ -39,7 +66,7 @@ static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
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PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2)
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};
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static struct mtd_partition rb1xx_partitions[] = {
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static struct mtd_partition rb1xx_nor_partitions[] = {
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{
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.name = "booter",
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.offset = 0,
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@ -52,24 +79,42 @@ static struct mtd_partition rb1xx_partitions[] = {
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}
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};
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static struct mtd_partition rb1xx_nand_partitions[] = {
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{
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.name = "kernel",
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.offset = 0,
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.size = 4 * 1024 * 1024,
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} , {
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.name = "rootfs",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL
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}
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};
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static struct platform_device *rb1xx_devices[] __initdata = {
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&adm5120_flash0_device,
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&adm5120_nand_device,
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};
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static struct platform_device *rb150_devices[] __initdata = {
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&adm5120_flash0_device,
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/* TODO: nand device is not yet supported */
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/*
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* We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
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* will not be able to find the kernel that we load. So set the oobinfo
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* when creating the partitions
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*/
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static struct nand_ecclayout rb1xx_nand_ecclayout = {
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.eccbytes = 6,
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.eccpos = { 8, 9, 10, 13, 14, 15 },
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.oobavail = 9,
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.oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
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};
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static void __init rb1xx_setup(void)
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{
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/* setup data for flash0 device */
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adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_partitions);
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adm5120_flash0_data.parts = rb1xx_partitions;
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/* TODO: setup mac address */
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}
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static struct resource rb150_nand_resource[] = {
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[0] = {
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.start = RB150_NAND_BASE,
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.end = RB150_NAND_BASE + RB150_NAND_SIZE-1,
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.flags = IORESOURCE_MEM,
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},
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};
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#if 0
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/*
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@ -110,6 +155,86 @@ static unsigned char rb_vlans[6] __initdata = {
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#define rb192_vlans rb_vlans
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#endif
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/*--------------------------------------------------------------------------*/
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static int rb150_nand_ready(struct mtd_info *mtd) {
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return gpio_get_value(RB150_GPIO_NAND_READY);
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}
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static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
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unsigned int ctrl)
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{
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if (ctrl & NAND_CTRL_CHANGE) {
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gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0);
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gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0);
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gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1);
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}
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udelay(RB150_NAND_DELAY);
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if (cmd != NAND_CMD_NONE)
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RB150_NAND_WRITE(cmd);
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}
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/*--------------------------------------------------------------------------*/
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static void __init rb1xx_mac_setup(void)
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{
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/* TODO */
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}
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static void __init rb1xx_flash_setup(void)
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{
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/* setup data for flash0 device */
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adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_nor_partitions);
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adm5120_flash0_data.parts = rb1xx_nor_partitions;
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/* setup data for NAND device */
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adm5120_nand_data.chip.nr_chips = 1;
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adm5120_nand_data.chip.nr_partitions = ARRAY_SIZE(rb1xx_nand_partitions);
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adm5120_nand_data.chip.partitions = rb1xx_nand_partitions;
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adm5120_nand_data.chip.ecclayout = &rb1xx_nand_ecclayout;
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adm5120_nand_data.chip.chip_delay = RB1XX_NAND_CHIP_DELAY;
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adm5120_nand_data.chip.options = NAND_NO_AUTOINCR;
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}
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static void __init rb1xx_setup(void)
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{
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/* enable NAND flash interface */
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adm5120_nand_enable();
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/* initialize NAND chip */
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adm5120_nand_set_spn(1);
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adm5120_nand_set_wpn(0);
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rb1xx_flash_setup();
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rb1xx_mac_setup();
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}
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static void __init rb150_setup(void)
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{
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/* setup GPIO pins for NAND flash chip */
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gpio_request(RB150_GPIO_NAND_READY, "nand-ready");
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gpio_direction_input(RB150_GPIO_NAND_READY);
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gpio_request(RB150_GPIO_NAND_NCE, "nand-nce");
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gpio_direction_output(RB150_GPIO_NAND_NCE, 1);
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gpio_request(RB150_GPIO_NAND_CLE, "nand-cle");
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gpio_direction_output(RB150_GPIO_NAND_CLE, 0);
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gpio_request(RB150_GPIO_NAND_ALE, "nand-ale");
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gpio_direction_output(RB150_GPIO_NAND_ALE, 0);
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adm5120_nand_device.num_resources = ARRAY_SIZE(rb150_nand_resource);
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adm5120_nand_device.resource = rb150_nand_resource;
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adm5120_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl;
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adm5120_nand_data.ctrl.dev_ready = rb150_nand_ready;
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rb1xx_flash_setup();
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rb1xx_mac_setup();
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}
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/*--------------------------------------------------------------------------*/
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static struct adm5120_board rb111_board __initdata = {
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.mach_type = MACH_ADM5120_RB_111,
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.name = "Mikrotik RouterBOARD 111",
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@ -161,11 +286,11 @@ static struct adm5120_board rb133c_board __initdata = {
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static struct adm5120_board rb150_board __initdata = {
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.mach_type = MACH_ADM5120_RB_150,
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.name = "Mikrotik RouterBOARD 150",
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.board_setup = rb1xx_setup,
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.board_setup = rb150_setup,
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.eth_num_ports = 5,
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.eth_vlans = rb15x_vlans,
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.num_devices = ARRAY_SIZE(rb150_devices),
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.devices = rb150_devices,
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.num_devices = ARRAY_SIZE(rb1xx_devices),
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.devices = rb1xx_devices,
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};
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static struct adm5120_board rb153_board __initdata = {
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@ -32,14 +32,12 @@
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#include <asm/bootinfo.h>
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#include <asm/gpio.h>
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#include <asm/mach-adm5120/adm5120_defs.h>
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#include <asm/mach-adm5120/adm5120_info.h>
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#include <asm/mach-adm5120/adm5120_irq.h>
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#include <asm/mach-adm5120/adm5120_switch.h>
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#include <asm/mach-adm5120/adm5120_platform.h>
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static void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base,
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unsigned int mctrl);
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#include <adm5120_defs.h>
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#include <adm5120_info.h>
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#include <adm5120_irq.h>
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#include <adm5120_switch.h>
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#include <adm5120_nand.h>
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#include <adm5120_platform.h>
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#if 1
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/*
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@ -120,20 +118,23 @@ struct platform_device adm5120_flash1_device = {
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/* NAND flash */
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struct resource adm5120_nand_resource[] = {
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[0] = {
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.start = ADM5120_SRAM1_BASE,
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.end = ADM5120_SRAM1_BASE+ADM5120_MPMC_SIZE-1,
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.start = ADM5120_NAND_BASE,
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.end = ADM5120_NAND_BASE + ADM5120_NAND_SIZE-1,
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.flags = IORESOURCE_MEM,
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},
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};
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struct adm5120_nand_platform_data adm5120_nand_data;
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struct platform_nand_data adm5120_nand_data = {
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.ctrl.dev_ready = adm5120_nand_ready,
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.ctrl.cmd_ctrl = adm5120_nand_cmd_ctrl,
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};
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struct platform_device adm5120_nand_device = {
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.name = "adm5120-nand",
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.name = "gen_nand",
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.id = -1,
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.dev.platform_data = &adm5120_nand_data,
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.num_resources = ARRAY_SIZE(adm5120_nand_resource),
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.resource = adm5120_nand_resource,
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.dev.platform_data = &adm5120_nand_data,
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};
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/* built-in UARTs */
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@ -173,7 +174,25 @@ struct amba_device adm5120_uart1_device = {
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.periphid = 0x0041010,
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};
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static void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base,
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void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base,
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unsigned int mctrl)
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{
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}
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int adm5120_nand_ready(struct mtd_info *mtd)
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{
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return ((adm5120_nand_get_status() & ADM5120_NAND_STATUS_READY) != 0);
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}
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void adm5120_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
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{
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if (ctrl & NAND_CTRL_CHANGE) {
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adm5120_nand_set_cle(ctrl & NAND_CLE);
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adm5120_nand_set_ale(ctrl & NAND_ALE);
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adm5120_nand_set_cen(ctrl & NAND_NCE);
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}
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if (cmd != NAND_CMD_NONE)
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NAND_WRITE_REG(NAND_REG_DATA, cmd);
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}
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@ -29,6 +29,7 @@
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#define ADM5120_SDRAM0_BASE 0x00000000
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#define ADM5120_SDRAM1_BASE 0x01000000
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#define ADM5120_SRAM1_BASE 0x10000000
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#define ADM5120_NAND_BASE ADM5120_SRAM1_BASE
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#define ADM5120_MPMC_BASE 0x11000000
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#define ADM5120_USBC_BASE 0x11200000
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#define ADM5120_PCIMEM_BASE 0x11400000
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@ -41,6 +42,7 @@
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#define ADM5120_UART1_BASE 0x12800000
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#define ADM5120_SRAM0_BASE 0x1FC00000
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#define ADM5120_NAND_SIZE 0xB
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#define ADM5120_MPMC_SIZE 0x1000
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#define ADM5120_USBC_SIZE 0x84
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#define ADM5120_PCIMEM_SIZE (ADM5120_PCIIO_BASE - ADM5120_PCIMEM_BASE)
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@ -0,0 +1,102 @@
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/*
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* ADM5120 NAND interface definitions
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*
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* This header file defines the hardware registers of the ADM5120 SoC
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* built-in NAND interface.
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*
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* Copyright (C) 2007 OpenWrt.org
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* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
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*
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* NAND interface routines was based on a driver for Linux 2.6.19+ which
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* was derived from the driver for Linux 2.4.xx published by Mikrotik for
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* their RouterBoard 1xx and 5xx series boards.
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* Copyright (C) 2007 David Goodenough <david.goodenough@linkchoose.co.uk>
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* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
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* The original Mikrotik code seems not to have a license.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef _ADM5120_NAND_H_
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#define _ADM5120_NAND_H_
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#include <linux/types.h>
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#include <linux/io.h>
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#include <adm5120_defs.h>
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#include <adm5120_switch.h>
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/* NAND control registers */
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#define NAND_REG_DATA 0x0 /* data register */
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#define NAND_REG_SET_CEn 0x1 /* CE# low */
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#define NAND_REG_CLR_CEn 0x2 /* CE# high */
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#define NAND_REG_CLR_CLE 0x3 /* CLE low */
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#define NAND_REG_SET_CLE 0x4 /* CLE high */
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#define NAND_REG_CLR_ALE 0x5 /* ALE low */
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#define NAND_REG_SET_ALE 0x6 /* ALE high */
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#define NAND_REG_SET_SPn 0x7 /* SP# low (use spare area) */
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#define NAND_REG_CLR_SPn 0x8 /* SP# high (do not use spare area) */
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#define NAND_REG_SET_WPn 0x9 /* WP# low */
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#define NAND_REG_CLR_WPn 0xA /* WP# high */
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#define NAND_REG_STATUS 0xB /* Status register */
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#define ADM5120_NAND_STATUS_READY 0x80
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#define NAND_READ_REG(r) \
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readb((void __iomem *)KSEG1ADDR(ADM5120_NAND_BASE) + (r))
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#define NAND_WRITE_REG(r, v) \
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writeb((v),(void __iomem *)KSEG1ADDR(ADM5120_NAND_BASE) + (r))
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/*-------------------------------------------------------------------------*/
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static inline void adm5120_nand_enable(void)
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{
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SW_WRITE_REG(BW_CNTL1, BW_CNTL1_NAND_ENABLE);
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SW_WRITE_REG(BOOT_DONE, 1);
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}
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static inline void adm5120_nand_set_wpn(unsigned int set)
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{
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NAND_WRITE_REG((set) ? NAND_REG_SET_WPn : NAND_REG_CLR_WPn, 1);
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}
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static inline void adm5120_nand_set_spn(unsigned int set)
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{
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NAND_WRITE_REG((set) ? NAND_REG_SET_SPn : NAND_REG_CLR_SPn, 1);
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}
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static inline void adm5120_nand_set_cle(unsigned int set)
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{
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NAND_WRITE_REG((set) ? NAND_REG_SET_CLE : NAND_REG_CLR_CLE, 1);
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}
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static inline void adm5120_nand_set_ale(unsigned int set)
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{
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NAND_WRITE_REG((set) ? NAND_REG_SET_ALE : NAND_REG_CLR_ALE, 1);
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}
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static inline void adm5120_nand_set_cen(unsigned int set)
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{
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NAND_WRITE_REG((set) ? NAND_REG_SET_CEn : NAND_REG_CLR_CEn, 1);
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}
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static inline u8 adm5120_nand_get_status(void)
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{
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return NAND_READ_REG(NAND_REG_STATUS);
|
||||
}
|
||||
|
||||
#endif /* _ADM5120_NAND_H_ */
|
||||
|
|
@ -31,6 +31,7 @@
|
|||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/mtd/map.h>
|
||||
#include <linux/mtd/partitions.h>
|
||||
#include <linux/mtd/nand.h>
|
||||
|
||||
#include <linux/amba/bus.h>
|
||||
#include <linux/amba/serial.h>
|
||||
|
|
@ -44,10 +45,6 @@ struct adm5120_flash_platform_data {
|
|||
#endif
|
||||
};
|
||||
|
||||
struct adm5120_nand_platform_data {
|
||||
/* TODO : not yet implemented */
|
||||
};
|
||||
|
||||
struct adm5120_switch_platform_data {
|
||||
/* TODO: not yet implemented */
|
||||
};
|
||||
|
|
@ -73,7 +70,7 @@ static inline void adm5120_pci_set_irq_map(unsigned int nr_irqs,
|
|||
|
||||
extern struct adm5120_flash_platform_data adm5120_flash0_data;
|
||||
extern struct adm5120_flash_platform_data adm5120_flash1_data;
|
||||
extern struct adm5120_nand_platform_data adm5120_nand_data;
|
||||
extern struct platform_nand_data adm5120_nand_data;
|
||||
extern struct adm5120_switch_platform_data adm5120_switch_data;
|
||||
extern struct amba_pl010_data adm5120_uart0_data;
|
||||
extern struct amba_pl010_data adm5120_uart1_data;
|
||||
|
|
@ -86,4 +83,11 @@ extern struct platform_device adm5120_switch_device;
|
|||
extern struct amba_device adm5120_uart0_device;
|
||||
extern struct amba_device adm5120_uart1_device;
|
||||
|
||||
extern void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base,
|
||||
unsigned int mctrl);
|
||||
|
||||
extern void adm5120_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
|
||||
unsigned int ctrl);
|
||||
extern int adm5120_nand_ready(struct mtd_info *mtd);
|
||||
|
||||
#endif /* _ADM5120_PLATFORM_H_ */
|
||||
|
|
|
|||
|
|
@ -171,6 +171,8 @@
|
|||
#define P5TBC_SHIFT 8
|
||||
#define P5RBC_SHIFT 12
|
||||
|
||||
#define BW_CNTL1_NAND_ENABLE 0x100
|
||||
|
||||
/* PHY_CNTL0 register bits */
|
||||
#define PHY_CNTL0_PHYA_MASK BITMASK(5)
|
||||
#define PHY_CNTL0_PHYR_MASK BITMASK(5)
|
||||
|
|
|
|||
|
|
@ -154,14 +154,14 @@ CONFIG_MTD_MAP_BANK_WIDTH_4=y
|
|||
# CONFIG_MTD_MTDRAM is not set
|
||||
CONFIG_MTD_MYLOADER_PARTS=y
|
||||
CONFIG_MTD_NAND=y
|
||||
CONFIG_MTD_NAND_ADM5120=y
|
||||
# CONFIG_MTD_NAND_ADM5120 is not set
|
||||
# CONFIG_MTD_NAND_CAFE is not set
|
||||
# CONFIG_MTD_NAND_DISKONCHIP is not set
|
||||
# CONFIG_MTD_NAND_ECC_SMC is not set
|
||||
CONFIG_MTD_NAND_IDS=y
|
||||
# CONFIG_MTD_NAND_MUSEUM_IDS is not set
|
||||
# CONFIG_MTD_NAND_NANDSIM is not set
|
||||
# CONFIG_MTD_NAND_PLATFORM is not set
|
||||
CONFIG_MTD_NAND_PLATFORM=y
|
||||
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
|
||||
# CONFIG_MTD_ONENAND is not set
|
||||
CONFIG_MTD_PARTITIONS=y
|
||||
|
|
|
|||
Loading…
Reference in New Issue