v4.19.13 snapshot.
diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
new file mode 100644
index 0000000..354d258
--- /dev/null
+++ b/arch/mips/rb532/devices.c
@@ -0,0 +1,329 @@
+/*
+ * RouterBoard 500 Platform devices
+ *
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * 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 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.
+ */
+#include <linux/kernel.h>
+#include <linux/export.h>
+#include <linux/init.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/rawnand.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/serial_8250.h>
+
+#include <asm/bootinfo.h>
+
+#include <asm/mach-rc32434/rc32434.h>
+#include <asm/mach-rc32434/dma.h>
+#include <asm/mach-rc32434/dma_v.h>
+#include <asm/mach-rc32434/eth.h>
+#include <asm/mach-rc32434/rb.h>
+#include <asm/mach-rc32434/integ.h>
+#include <asm/mach-rc32434/gpio.h>
+#include <asm/mach-rc32434/irq.h>
+
+#define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET)
+#define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET)
+
+extern unsigned int idt_cpu_freq;
+
+static struct mpmc_device dev3;
+
+void set_latch_u5(unsigned char or_mask, unsigned char nand_mask)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev3.lock, flags);
+
+ dev3.state = (dev3.state | or_mask) & ~nand_mask;
+ writeb(dev3.state, dev3.base);
+
+ spin_unlock_irqrestore(&dev3.lock, flags);
+}
+EXPORT_SYMBOL(set_latch_u5);
+
+unsigned char get_latch_u5(void)
+{
+ return dev3.state;
+}
+EXPORT_SYMBOL(get_latch_u5);
+
+static struct resource korina_dev0_res[] = {
+ {
+ .name = "korina_regs",
+ .start = ETH0_BASE_ADDR,
+ .end = ETH0_BASE_ADDR + sizeof(struct eth_regs),
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "korina_rx",
+ .start = ETH0_DMA_RX_IRQ,
+ .end = ETH0_DMA_RX_IRQ,
+ .flags = IORESOURCE_IRQ
+ }, {
+ .name = "korina_tx",
+ .start = ETH0_DMA_TX_IRQ,
+ .end = ETH0_DMA_TX_IRQ,
+ .flags = IORESOURCE_IRQ
+ }, {
+ .name = "korina_ovr",
+ .start = ETH0_RX_OVR_IRQ,
+ .end = ETH0_RX_OVR_IRQ,
+ .flags = IORESOURCE_IRQ
+ }, {
+ .name = "korina_und",
+ .start = ETH0_TX_UND_IRQ,
+ .end = ETH0_TX_UND_IRQ,
+ .flags = IORESOURCE_IRQ
+ }, {
+ .name = "korina_dma_rx",
+ .start = ETH0_RX_DMA_ADDR,
+ .end = ETH0_RX_DMA_ADDR + DMA_CHAN_OFFSET - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "korina_dma_tx",
+ .start = ETH0_TX_DMA_ADDR,
+ .end = ETH0_TX_DMA_ADDR + DMA_CHAN_OFFSET - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct korina_device korina_dev0_data = {
+ .name = "korina0",
+ .mac = {0xde, 0xca, 0xff, 0xc0, 0xff, 0xee}
+};
+
+static struct platform_device korina_dev0 = {
+ .id = -1,
+ .name = "korina",
+ .resource = korina_dev0_res,
+ .num_resources = ARRAY_SIZE(korina_dev0_res),
+};
+
+static struct resource cf_slot0_res[] = {
+ {
+ .name = "cf_membase",
+ .flags = IORESOURCE_MEM
+ }, {
+ .name = "cf_irq",
+ .start = (8 + 4 * 32 + CF_GPIO_NUM), /* 149 */
+ .end = (8 + 4 * 32 + CF_GPIO_NUM),
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct cf_device cf_slot0_data = {
+ .gpio_pin = CF_GPIO_NUM
+};
+
+static struct platform_device cf_slot0 = {
+ .id = -1,
+ .name = "pata-rb532-cf",
+ .dev.platform_data = &cf_slot0_data,
+ .resource = cf_slot0_res,
+ .num_resources = ARRAY_SIZE(cf_slot0_res),
+};
+
+/* Resources and device for NAND */
+static int rb532_dev_ready(struct mtd_info *mtd)
+{
+ return gpio_get_value(GPIO_RDY);
+}
+
+static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ unsigned char orbits, nandbits;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ orbits = (ctrl & NAND_CLE) << 1;
+ orbits |= (ctrl & NAND_ALE) >> 1;
+
+ nandbits = (~ctrl & NAND_CLE) << 1;
+ nandbits |= (~ctrl & NAND_ALE) >> 1;
+
+ set_latch_u5(orbits, nandbits);
+ }
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, chip->IO_ADDR_W);
+}
+
+static struct resource nand_slot0_res[] = {
+ [0] = {
+ .name = "nand_membase",
+ .flags = IORESOURCE_MEM
+ }
+};
+
+static struct platform_nand_data rb532_nand_data = {
+ .ctrl.dev_ready = rb532_dev_ready,
+ .ctrl.cmd_ctrl = rb532_cmd_ctrl,
+};
+
+static struct platform_device nand_slot0 = {
+ .name = "gen_nand",
+ .id = -1,
+ .resource = nand_slot0_res,
+ .num_resources = ARRAY_SIZE(nand_slot0_res),
+ .dev.platform_data = &rb532_nand_data,
+};
+
+static struct mtd_partition rb532_partition_info[] = {
+ {
+ .name = "Routerboard NAND boot",
+ .offset = 0,
+ .size = 4 * 1024 * 1024,
+ }, {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct platform_device rb532_led = {
+ .name = "rb532-led",
+ .id = -1,
+};
+
+static struct platform_device rb532_button = {
+ .name = "rb532-button",
+ .id = -1,
+};
+
+static struct resource rb532_wdt_res[] = {
+ {
+ .name = "rb532_wdt_res",
+ .start = INTEG0_BASE_ADDR,
+ .end = INTEG0_BASE_ADDR + sizeof(struct integ),
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device rb532_wdt = {
+ .name = "rc32434_wdt",
+ .id = -1,
+ .resource = rb532_wdt_res,
+ .num_resources = ARRAY_SIZE(rb532_wdt_res),
+};
+
+static struct plat_serial8250_port rb532_uart_res[] = {
+ {
+ .type = PORT_16550A,
+ .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
+ .irq = UART0_IRQ,
+ .regshift = 2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF,
+ },
+ {
+ .flags = 0,
+ }
+};
+
+static struct platform_device rb532_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = &rb532_uart_res,
+};
+
+static struct platform_device *rb532_devs[] = {
+ &korina_dev0,
+ &nand_slot0,
+ &cf_slot0,
+ &rb532_led,
+ &rb532_button,
+ &rb532_uart,
+ &rb532_wdt
+};
+
+/* NAND definitions */
+#define NAND_CHIP_DELAY 25
+
+static void __init rb532_nand_setup(void)
+{
+ switch (mips_machtype) {
+ case MACH_MIKROTIK_RB532A:
+ set_latch_u5(LO_FOFF | LO_CEX,
+ LO_ULED | LO_ALE | LO_CLE | LO_WPX);
+ break;
+ default:
+ set_latch_u5(LO_WPX | LO_FOFF | LO_CEX,
+ LO_ULED | LO_ALE | LO_CLE);
+ break;
+ }
+
+ /* Setup NAND specific settings */
+ rb532_nand_data.chip.nr_chips = 1;
+ rb532_nand_data.chip.nr_partitions = ARRAY_SIZE(rb532_partition_info);
+ rb532_nand_data.chip.partitions = rb532_partition_info;
+ rb532_nand_data.chip.chip_delay = NAND_CHIP_DELAY;
+}
+
+
+static int __init plat_setup_devices(void)
+{
+ /* Look for the CF card reader */
+ if (!readl(IDT434_REG_BASE + DEV1MASK))
+ rb532_devs[2] = NULL; /* disable cf_slot0 at index 2 */
+ else {
+ cf_slot0_res[0].start =
+ readl(IDT434_REG_BASE + DEV1BASE);
+ cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000;
+ }
+
+ /* Read the NAND resources from the device controller */
+ nand_slot0_res[0].start = readl(IDT434_REG_BASE + DEV2BASE);
+ nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
+
+ /* Read and map device controller 3 */
+ dev3.base = ioremap_nocache(readl(IDT434_REG_BASE + DEV3BASE), 1);
+
+ if (!dev3.base) {
+ printk(KERN_ERR "rb532: cannot remap device controller 3\n");
+ return -ENXIO;
+ }
+
+ /* Initialise the NAND device */
+ rb532_nand_setup();
+
+ /* set the uart clock to the current cpu frequency */
+ rb532_uart_res[0].uartclk = idt_cpu_freq;
+
+ dev_set_drvdata(&korina_dev0.dev, &korina_dev0_data);
+
+ return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs));
+}
+
+#ifdef CONFIG_NET
+
+static int __init setup_kmac(char *s)
+{
+ printk(KERN_INFO "korina mac = %s\n", s);
+ if (!mac_pton(s, korina_dev0_data.mac)) {
+ printk(KERN_ERR "Invalid mac\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+__setup("kmac=", setup_kmac);
+
+#endif /* CONFIG_NET */
+
+arch_initcall(plat_setup_devices);