/*
* $Id$
*
- * Mikrotik RouterBOARDs 1xx series
+ * Mikrotik RouterBOARD 1xx series
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
*
- * 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.
+ * 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>
+ * The original Mikrotik code seems not to have a license.
*
- * 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., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
+ * 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 <linux/kernel.h>
#include <linux/init.h>
+#include <linux/delay.h>
#include <asm/bootinfo.h>
#include <asm/gpio.h>
-#include <asm/mach-adm5120/adm5120_board.h>
-#include <asm/mach-adm5120/adm5120_platform.h>
+#include <adm5120_defs.h>
+#include <adm5120_irq.h>
+#include <adm5120_nand.h>
+#include <adm5120_board.h>
+#include <adm5120_platform.h>
+#include <adm5120_info.h>
+
+#include <prom/routerboot.h>
+
+#define RB1XX_NAND_CHIP_DELAY 25
+
+#define RB150_NAND_BASE 0x1FC80000
+#define RB150_NAND_SIZE 1
+
+#define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
+#define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
+#define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
+#define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
+
+#define RB150_NAND_DELAY 100
-static struct mtd_partition rb1xx_partitions[] = {
+#define RB150_NAND_WRITE(v) \
+ writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
+
+/*--------------------------------------------------------------------------*/
+
+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,
}
};
+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
+ }
+};
+
static struct platform_device *rb1xx_devices[] __initdata = {
&adm5120_flash0_device,
&adm5120_nand_device,
};
-static struct platform_device *rb150_devices[] __initdata = {
- &adm5120_flash0_device,
- /* TODO: nand device is not yet supported */
+/*
+ * 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 void __init rb1xx_setup(void)
-{
- /* setup data for flash0 device */
- adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_partitions);
- adm5120_flash0_data.parts = rb1xx_partitions;
+static struct resource rb150_nand_resource[] = {
+ [0] = {
+ .start = RB150_NAND_BASE,
+ .end = RB150_NAND_BASE + RB150_NAND_SIZE-1,
+ .flags = IORESOURCE_MEM,
+ },
+};
- /* TODO: setup mac address */
-}
+static struct resource rb153_cf_resources[] = {
+ {
+ .name = "cf_membase",
+ .start = ADM5120_EXTIO1_BASE,
+ .end = ADM5120_EXTIO1_BASE + ADM5120_EXTIO1_SIZE-1 ,
+ .flags = IORESOURCE_MEM
+ }, {
+ .name = "cf_irq",
+ .start = ADM5120_IRQ_GPIO4,
+ .end = ADM5120_IRQ_GPIO4,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct platform_device rb153_cf_device = {
+ .name = "pata-rb153-cf",
+ .id = -1,
+ .resource = rb153_cf_resources,
+ .num_resources = ARRAY_SIZE(rb153_cf_resources),
+};
+
+static struct platform_device *rb153_devices[] __initdata = {
+ &adm5120_flash0_device,
+ &adm5120_nand_device,
+ &rb153_cf_device,
+};
#if 0
/*
static unsigned char rb15x_vlans[6] __initdata = {
/* FIXME: untested */
0x41, 0x42, 0x44, 0x48, 0x50, 0x00
+};
static unsigned char rb192_vlans[6] __initdata = {
/* FIXME: untested */
#define rb192_vlans rb_vlans
#endif
-static struct adm5120_board rb111_board __initdata = {
- .mach_type = MACH_ADM5120_RB_111,
- .name = "Mikrotik RouterBOARD 111",
+/*--------------------------------------------------------------------------*/
+
+static int rb150_nand_ready(struct mtd_info *mtd)
+{
+ return gpio_get_value(RB150_GPIO_NAND_READY);
+}
+
+static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+ unsigned int ctrl)
+{
+ if (ctrl & NAND_CTRL_CHANGE) {
+ gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0);
+ gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0);
+ gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1);
+ }
+
+ udelay(RB150_NAND_DELAY);
+
+ if (cmd != NAND_CMD_NONE)
+ RB150_NAND_WRITE(cmd);
+}
+
+/*--------------------------------------------------------------------------*/
+
+static void __init rb1xx_mac_setup(void)
+{
+ int i, j;
+
+ if (!rb_hs.mac_base)
+ return;
+
+ for (i = 0; i < 6; i++) {
+ for (j = 0; j < 5; j++)
+ adm5120_eth_macs[i][j] = rb_hs.mac_base[j];
+ adm5120_eth_macs[i][5] = rb_hs.mac_base[5]+i;
+ }
+}
+
+static void __init rb1xx_flash_setup(void)
+{
+ /* setup data for flash0 device */
+ adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_nor_parts);
+ adm5120_flash0_data.parts = rb1xx_nor_parts;
+
+ /* setup data for NAND device */
+ adm5120_nand_data.chip.nr_chips = 1;
+ adm5120_nand_data.chip.nr_partitions = ARRAY_SIZE(rb1xx_nand_parts);
+ adm5120_nand_data.chip.partitions = rb1xx_nand_parts;
+ adm5120_nand_data.chip.ecclayout = &rb1xx_nand_ecclayout;
+ adm5120_nand_data.chip.chip_delay = RB1XX_NAND_CHIP_DELAY;
+ adm5120_nand_data.chip.options = NAND_NO_AUTOINCR;
+}
+
+static void __init rb1xx_setup(void)
+{
+ /* enable NAND flash interface */
+ adm5120_nand_enable();
+
+ /* initialize NAND chip */
+ adm5120_nand_set_spn(1);
+ adm5120_nand_set_wpn(0);
+
+ rb1xx_flash_setup();
+ rb1xx_mac_setup();
+}
+
+static void __init rb150_setup(void)
+{
+ /* setup GPIO pins for NAND flash chip */
+ gpio_request(RB150_GPIO_NAND_READY, "nand-ready");
+ gpio_direction_input(RB150_GPIO_NAND_READY);
+ gpio_request(RB150_GPIO_NAND_NCE, "nand-nce");
+ gpio_direction_output(RB150_GPIO_NAND_NCE, 1);
+ gpio_request(RB150_GPIO_NAND_CLE, "nand-cle");
+ gpio_direction_output(RB150_GPIO_NAND_CLE, 0);
+ gpio_request(RB150_GPIO_NAND_ALE, "nand-ale");
+ gpio_direction_output(RB150_GPIO_NAND_ALE, 0);
+
+ adm5120_nand_device.num_resources = ARRAY_SIZE(rb150_nand_resource);
+ adm5120_nand_device.resource = rb150_nand_resource;
+ adm5120_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl;
+ adm5120_nand_data.ctrl.dev_ready = rb150_nand_ready;
+
+ adm5120_flash0_data.window_size = 512*1024;
+
+ rb1xx_flash_setup();
+ rb1xx_mac_setup();
+}
+
+static void __init rb153_setup(void)
+{
+ /* enable CSX1:INTX1 on GPIO[3:4] for the CF slot */
+ adm5120_gpio_csx1_enable();
+ /* enable the wait state pin GPIO[0] for external I/O control */
+ adm5120_gpio_ew_enable();
+
+ rb1xx_setup();
+}
+
+/*--------------------------------------------------------------------------*/
+
+ADM5120_BOARD_START(RB_111, "Mikrotik RouterBOARD 111")
.board_setup = rb1xx_setup,
.eth_num_ports = 1,
.eth_vlans = rb11x_vlans,
.num_devices = ARRAY_SIZE(rb1xx_devices),
.devices = rb1xx_devices,
-};
+ .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
+ .pci_irq_map = rb1xx_pci_irqs,
+ADM5120_BOARD_END
-static struct adm5120_board rb112_board __initdata = {
- .mach_type = MACH_ADM5120_RB_112,
- .name = "Mikrotik RouterBOARD 112",
+ADM5120_BOARD_START(RB_112, "Mikrotik RouterBOARD 112")
.board_setup = rb1xx_setup,
.eth_num_ports = 1,
.eth_vlans = rb11x_vlans,
.num_devices = ARRAY_SIZE(rb1xx_devices),
.devices = rb1xx_devices,
-};
+ .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
+ .pci_irq_map = rb1xx_pci_irqs,
+ADM5120_BOARD_END
-static struct adm5120_board rb133_board __initdata = {
- .mach_type = MACH_ADM5120_RB_133,
- .name = "Mikrotik RouterBOARD 133",
+ADM5120_BOARD_START(RB_133, "Mikrotik RouterBOARD 133")
.board_setup = rb1xx_setup,
.eth_num_ports = 3,
.eth_vlans = rb133_vlans,
.num_devices = ARRAY_SIZE(rb1xx_devices),
.devices = rb1xx_devices,
-};
+ .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
+ .pci_irq_map = rb1xx_pci_irqs,
+ADM5120_BOARD_END
-static struct adm5120_board rb133c_board __initdata = {
- .mach_type = MACH_ADM5120_RB_133C,
- .name = "Mikrotik RouterBOARD 133C",
+ADM5120_BOARD_START(RB_133C, "Mikrotik RouterBOARD 133C")
.board_setup = rb1xx_setup,
.eth_num_ports = 1,
.eth_vlans = rb133c_vlans,
.num_devices = ARRAY_SIZE(rb1xx_devices),
.devices = rb1xx_devices,
-};
+ .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
+ .pci_irq_map = rb1xx_pci_irqs,
+ADM5120_BOARD_END
-static struct adm5120_board rb150_board __initdata = {
- .mach_type = MACH_ADM5120_RB_150,
- .name = "Mikrotik RouterBOARD 150",
- .board_setup = rb1xx_setup,
+ADM5120_BOARD_START(RB_150, "Mikrotik RouterBOARD 150")
+ .board_setup = rb150_setup,
.eth_num_ports = 5,
.eth_vlans = rb15x_vlans,
- .num_devices = ARRAY_SIZE(rb150_devices),
- .devices = rb150_devices,
-};
+ .num_devices = ARRAY_SIZE(rb1xx_devices),
+ .devices = rb1xx_devices,
+ADM5120_BOARD_END
-static struct adm5120_board rb153_board __initdata = {
- .mach_type = MACH_ADM5120_RB_153,
- .name = "Mikrotik RouterBOARD 153",
- .board_setup = rb1xx_setup,
+ADM5120_BOARD_START(RB_153, "Mikrotik RouterBOARD 153")
+ .board_setup = rb153_setup,
.eth_num_ports = 5,
.eth_vlans = rb15x_vlans,
- .num_devices = ARRAY_SIZE(rb1xx_devices),
- .devices = rb1xx_devices,
-};
+ .num_devices = ARRAY_SIZE(rb153_devices),
+ .devices = rb153_devices,
+ .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
+ .pci_irq_map = rb1xx_pci_irqs,
+ADM5120_BOARD_END
-static struct adm5120_board rb153_board __initdata = {
- .mach_type = MACH_ADM5120_RB_192,
- .name = "Mikrotik RouterBOARD 192",
+ADM5120_BOARD_START(RB_192, "Mikrotik RouterBOARD 192")
.board_setup = rb1xx_setup,
.eth_num_ports = 5,
.eth_vlans = rb192_vlans,
.num_devices = ARRAY_SIZE(rb1xx_devices),
.devices = rb1xx_devices,
-};
-
-static int __init register_boards(void)
-{
- adm5120_board_register(&rb111_board);
- adm5120_board_register(&rb112_board);
- adm5120_board_register(&rb133_board);
- adm5120_board_register(&rb133c_board);
- adm5120_board_register(&rb150_board);
- adm5120_board_register(&rb153_board);
- adm5120_board_register(&rb192_board);
- return 0;
-}
-
-pure_initcall(register_boards);
+ .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
+ .pci_irq_map = rb1xx_pci_irqs,
+ADM5120_BOARD_END
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