ARM: clps711x: cdb89712: Special driver for handling memory is removed
This patch provide migration to using "physmap-flash" and "mtd-ram" drivers instead of using special driver for handling memory. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Alexander Shiyan
committed by
Olof Johansson
Olof Johansson
parent
ea7d1bc97d
commit
86449336dd
@@ -324,13 +324,6 @@ config MTD_SOLUTIONENGINE
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This enables access to the flash chips on the Hitachi SolutionEngine and
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similar boards. Say 'Y' if you are building a kernel for such a board.
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config MTD_CDB89712
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tristate "Cirrus CDB89712 evaluation board mappings"
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depends on MTD_CFI && ARCH_CDB89712
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help
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This enables access to the flash or ROM chips on the CDB89712 board.
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If you have such a board, say 'Y'.
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config MTD_SA1100
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tristate "CFI Flash device mapped on StrongARM SA11x0"
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depends on MTD_CFI && ARCH_SA1100
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@@ -7,7 +7,6 @@ obj-$(CONFIG_MTD) += map_funcs.o
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endif
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# Chip mappings
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obj-$(CONFIG_MTD_CDB89712) += cdb89712.o
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obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o
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obj-$(CONFIG_MTD_DC21285) += dc21285.o
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obj-$(CONFIG_MTD_DILNETPC) += dilnetpc.o
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@@ -1,278 +0,0 @@
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/*
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* Flash on Cirrus CDB89712
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*
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include <asm/io.h>
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#include <mach/hardware.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/map.h>
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#include <linux/mtd/partitions.h>
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/* dynamic ioremap() areas */
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#define FLASH_START 0x00000000
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#define FLASH_SIZE 0x800000
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#define FLASH_WIDTH 4
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#define SRAM_START 0x60000000
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#define SRAM_SIZE 0xc000
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#define SRAM_WIDTH 4
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#define BOOTROM_START 0x70000000
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#define BOOTROM_SIZE 0x80
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#define BOOTROM_WIDTH 4
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static struct mtd_info *flash_mtd;
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struct map_info cdb89712_flash_map = {
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.name = "flash",
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.size = FLASH_SIZE,
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.bankwidth = FLASH_WIDTH,
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.phys = FLASH_START,
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};
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struct resource cdb89712_flash_resource = {
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.name = "Flash",
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.start = FLASH_START,
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.end = FLASH_START + FLASH_SIZE - 1,
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.flags = IORESOURCE_IO | IORESOURCE_BUSY,
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};
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static int __init init_cdb89712_flash (void)
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{
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int err;
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if (request_resource (&ioport_resource, &cdb89712_flash_resource)) {
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printk(KERN_NOTICE "Failed to reserve Cdb89712 FLASH space\n");
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err = -EBUSY;
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goto out;
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}
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cdb89712_flash_map.virt = ioremap(FLASH_START, FLASH_SIZE);
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if (!cdb89712_flash_map.virt) {
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printk(KERN_NOTICE "Failed to ioremap Cdb89712 FLASH space\n");
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err = -EIO;
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goto out_resource;
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}
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simple_map_init(&cdb89712_flash_map);
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flash_mtd = do_map_probe("cfi_probe", &cdb89712_flash_map);
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if (!flash_mtd) {
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flash_mtd = do_map_probe("map_rom", &cdb89712_flash_map);
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if (flash_mtd)
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flash_mtd->erasesize = 0x10000;
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}
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if (!flash_mtd) {
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printk("FLASH probe failed\n");
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err = -ENXIO;
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goto out_ioremap;
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}
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flash_mtd->owner = THIS_MODULE;
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if (mtd_device_register(flash_mtd, NULL, 0)) {
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printk("FLASH device addition failed\n");
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err = -ENOMEM;
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goto out_probe;
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}
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return 0;
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out_probe:
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map_destroy(flash_mtd);
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flash_mtd = 0;
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out_ioremap:
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iounmap((void *)cdb89712_flash_map.virt);
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out_resource:
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release_resource (&cdb89712_flash_resource);
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out:
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return err;
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}
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static struct mtd_info *sram_mtd;
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struct map_info cdb89712_sram_map = {
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.name = "SRAM",
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.size = SRAM_SIZE,
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.bankwidth = SRAM_WIDTH,
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.phys = SRAM_START,
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};
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struct resource cdb89712_sram_resource = {
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.name = "SRAM",
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.start = SRAM_START,
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.end = SRAM_START + SRAM_SIZE - 1,
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.flags = IORESOURCE_IO | IORESOURCE_BUSY,
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};
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static int __init init_cdb89712_sram (void)
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{
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int err;
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if (request_resource (&ioport_resource, &cdb89712_sram_resource)) {
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printk(KERN_NOTICE "Failed to reserve Cdb89712 SRAM space\n");
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err = -EBUSY;
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goto out;
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}
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cdb89712_sram_map.virt = ioremap(SRAM_START, SRAM_SIZE);
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if (!cdb89712_sram_map.virt) {
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printk(KERN_NOTICE "Failed to ioremap Cdb89712 SRAM space\n");
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err = -EIO;
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goto out_resource;
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}
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simple_map_init(&cdb89712_sram_map);
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sram_mtd = do_map_probe("map_ram", &cdb89712_sram_map);
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if (!sram_mtd) {
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printk("SRAM probe failed\n");
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err = -ENXIO;
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goto out_ioremap;
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}
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sram_mtd->owner = THIS_MODULE;
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sram_mtd->erasesize = 16;
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if (mtd_device_register(sram_mtd, NULL, 0)) {
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printk("SRAM device addition failed\n");
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err = -ENOMEM;
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goto out_probe;
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}
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return 0;
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out_probe:
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map_destroy(sram_mtd);
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sram_mtd = 0;
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out_ioremap:
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iounmap((void *)cdb89712_sram_map.virt);
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out_resource:
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release_resource (&cdb89712_sram_resource);
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out:
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return err;
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}
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static struct mtd_info *bootrom_mtd;
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struct map_info cdb89712_bootrom_map = {
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.name = "BootROM",
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.size = BOOTROM_SIZE,
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.bankwidth = BOOTROM_WIDTH,
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.phys = BOOTROM_START,
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};
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struct resource cdb89712_bootrom_resource = {
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.name = "BootROM",
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.start = BOOTROM_START,
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.end = BOOTROM_START + BOOTROM_SIZE - 1,
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.flags = IORESOURCE_IO | IORESOURCE_BUSY,
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};
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static int __init init_cdb89712_bootrom (void)
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{
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int err;
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if (request_resource (&ioport_resource, &cdb89712_bootrom_resource)) {
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printk(KERN_NOTICE "Failed to reserve Cdb89712 BOOTROM space\n");
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err = -EBUSY;
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goto out;
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}
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cdb89712_bootrom_map.virt = ioremap(BOOTROM_START, BOOTROM_SIZE);
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if (!cdb89712_bootrom_map.virt) {
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printk(KERN_NOTICE "Failed to ioremap Cdb89712 BootROM space\n");
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err = -EIO;
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goto out_resource;
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}
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simple_map_init(&cdb89712_bootrom_map);
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bootrom_mtd = do_map_probe("map_rom", &cdb89712_bootrom_map);
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if (!bootrom_mtd) {
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printk("BootROM probe failed\n");
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err = -ENXIO;
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goto out_ioremap;
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}
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bootrom_mtd->owner = THIS_MODULE;
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bootrom_mtd->erasesize = 0x10000;
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if (mtd_device_register(bootrom_mtd, NULL, 0)) {
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printk("BootROM device addition failed\n");
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err = -ENOMEM;
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goto out_probe;
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}
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return 0;
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out_probe:
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map_destroy(bootrom_mtd);
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bootrom_mtd = 0;
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out_ioremap:
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iounmap((void *)cdb89712_bootrom_map.virt);
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out_resource:
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release_resource (&cdb89712_bootrom_resource);
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out:
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return err;
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}
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static int __init init_cdb89712_maps(void)
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{
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printk(KERN_INFO "Cirrus CDB89712 MTD mappings:\n Flash 0x%x at 0x%x\n SRAM 0x%x at 0x%x\n BootROM 0x%x at 0x%x\n",
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FLASH_SIZE, FLASH_START, SRAM_SIZE, SRAM_START, BOOTROM_SIZE, BOOTROM_START);
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init_cdb89712_flash();
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init_cdb89712_sram();
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init_cdb89712_bootrom();
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return 0;
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}
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static void __exit cleanup_cdb89712_maps(void)
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{
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if (sram_mtd) {
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mtd_device_unregister(sram_mtd);
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map_destroy(sram_mtd);
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iounmap((void *)cdb89712_sram_map.virt);
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release_resource (&cdb89712_sram_resource);
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}
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if (flash_mtd) {
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mtd_device_unregister(flash_mtd);
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map_destroy(flash_mtd);
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iounmap((void *)cdb89712_flash_map.virt);
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release_resource (&cdb89712_flash_resource);
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}
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if (bootrom_mtd) {
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mtd_device_unregister(bootrom_mtd);
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map_destroy(bootrom_mtd);
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iounmap((void *)cdb89712_bootrom_map.virt);
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release_resource (&cdb89712_bootrom_resource);
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}
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}
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module_init(init_cdb89712_maps);
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module_exit(cleanup_cdb89712_maps);
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MODULE_AUTHOR("Ray L");
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MODULE_DESCRIPTION("ARM CDB89712 map driver");
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MODULE_LICENSE("GPL");
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