adm5120: add experimental 3.14 kernel support

[openwrt/svn-archive/archive.git] / target / linux / adm5120 / files-3.14 / arch / mips / adm5120 / mikrotik / rb-1xx.c

diff --git a/target/linux/adm5120/files-3.14/arch/mips/adm5120/mikrotik/rb-1xx.c b/target/linux/adm5120/files-3.14/arch/mips/adm5120/mikrotik/rb-1xx.c
new file mode 100644 (file)
index 0000000..8961115
--- /dev/null
+++ b/target/linux/adm5120/files-3.14/arch/mips/adm5120/mikrotik/rb-1xx.c
@@ -0,0 +1,149 @@
+/*
+ *  Mikrotik RouterBOARD 1xx series support
+ *
+ *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  NAND initialization code was based on a driver for Linux 2.6.19+ which
+ *  was derived from the driver for Linux 2.4.xx published by Mikrotik for
+ *  their RouterBoard 1xx and 5xx series boards.
+ *    Copyright (C) 2007 David Goodenough <david.goodenough@linkchoose.co.uk>
+ *    Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ *
+ */
+
+#include "rb-1xx.h"
+
+#define RB1XX_NAND_CHIP_DELAY  25
+
+#define RB1XX_KEYS_POLL_INTERVAL       20
+#define RB1XX_KEYS_DEBOUNCE_INTERVAL   (3 * RB1XX_KEYS_POLL_INTERVAL)
+
+static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
+       PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0),
+       PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1),
+       PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2)
+};
+
+static struct mtd_partition rb1xx_nor_parts[] = {
+       {
+               .name   = "booter",
+               .offset = 0,
+               .size   = 64*1024,
+               .mask_flags = MTD_WRITEABLE,
+       } , {
+               .name   = "firmware",
+               .offset = MTDPART_OFS_APPEND,
+               .size   = MTDPART_SIZ_FULL,
+       }
+};
+
+static struct mtd_partition rb1xx_nand_parts[] = {
+       {
+               .name   = "kernel",
+               .offset = 0,
+               .size   = 4 * 1024 * 1024,
+       } , {
+               .name   = "rootfs",
+               .offset = MTDPART_OFS_NXTBLK,
+               .size   = MTDPART_SIZ_FULL
+       }
+};
+
+/*
+ * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
+ * will not be able to find the kernel that we load.  So set the oobinfo
+ * when creating the partitions
+ */
+static struct nand_ecclayout rb1xx_nand_ecclayout = {
+       .eccbytes       = 6,
+       .eccpos         = { 8, 9, 10, 13, 14, 15 },
+       .oobavail       = 9,
+       .oobfree        = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
+};
+
+/*--------------------------------------------------------------------------*/
+
+static int rb1xx_nand_fixup(struct mtd_info *mtd)
+{
+       struct nand_chip *chip = mtd->priv;
+
+       if (mtd->writesize == 512)
+               chip->ecc.layout = &rb1xx_nand_ecclayout;
+
+       return 0;
+}
+
+struct platform_nand_data rb1xx_nand_data __initdata = {
+       .chip = {
+               .nr_chips       = 1,
+               .nr_partitions  = ARRAY_SIZE(rb1xx_nand_parts),
+               .partitions     = rb1xx_nand_parts,
+               .chip_delay     = RB1XX_NAND_CHIP_DELAY,
+               .chip_fixup     = rb1xx_nand_fixup,
+       },
+};
+
+struct gpio_keys_button rb1xx_gpio_buttons[] __initdata = {
+       {
+               .desc           = "reset_button",
+               .type           = EV_KEY,
+               .code           = KEY_RESTART,
+               .debounce_interval = RB1XX_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = ADM5120_GPIO_PIN7,
+       }
+};
+
+static void __init rb1xx_mac_setup(void)
+{
+       if (rb_hs.mac_base != NULL && is_valid_ether_addr(rb_hs.mac_base)) {
+               adm5120_setup_eth_macs(rb_hs.mac_base);
+       } else {
+               u8 mac[ETH_ALEN];
+
+               random_ether_addr(mac);
+               adm5120_setup_eth_macs(mac);
+       }
+}
+
+void __init rb1xx_add_device_flash(void)
+{
+       /* setup data for flash0 device */
+       adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_nor_parts);
+       adm5120_flash0_data.parts = rb1xx_nor_parts;
+       adm5120_flash0_data.window_size = 128*1024;
+
+       adm5120_add_device_flash(0);
+}
+
+void __init rb1xx_add_device_nand(void)
+{
+       /* enable NAND flash interface */
+       adm5120_nand_enable();
+
+       /* initialize NAND chip */
+       adm5120_nand_set_spn(1);
+       adm5120_nand_set_wpn(0);
+
+       adm5120_add_device_nand(&rb1xx_nand_data);
+}
+
+void __init rb1xx_generic_setup(void)
+{
+       if (adm5120_package_bga())
+               adm5120_pci_set_irq_map(ARRAY_SIZE(rb1xx_pci_irqs),
+                                       rb1xx_pci_irqs);
+
+       adm5120_add_device_uart(0);
+       adm5120_add_device_uart(1);
+
+       adm5120_register_gpio_buttons(-1, RB1XX_KEYS_POLL_INTERVAL,
+                                     ARRAY_SIZE(rb1xx_gpio_buttons),
+                                     rb1xx_gpio_buttons);
+
+       rb1xx_add_device_flash();
+       rb1xx_mac_setup();
+}