1 files changed, 151 insertions, 0 deletions
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/platform.c b/target/linux/adm8668/files/arch/mips/adm8668/platform.c
new file mode 100644
index 000000000..803af09aa
--- /dev/null
+++ b/target/linux/adm8668/files/arch/mips/adm8668/platform.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <adm8668.h>
+
+static struct resource uart_resources[] = {
+	{
+		.start		= ADM8668_UART0_BASE,
+		.end		= ADM8668_UART0_BASE + 0xF,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= INT_LVL_UART0,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device adm8668_uart_device = {
+	.name		= "adm8668_uart",
+	.id		= 0,
+	.resource	= uart_resources,
+	.num_resources	= ARRAY_SIZE(uart_resources),
+};
+
+static struct resource eth0_resources[] = {
+	{
+		.start		= ADM8668_LAN_BASE,
+		.end		= ADM8668_LAN_BASE + 256,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= INT_LVL_LAN,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device adm8668_eth0_device = {
+	.name		= "adm8668_eth",
+	.id		= 0,
+	.resource	= eth0_resources,
+	.num_resources	= ARRAY_SIZE(eth0_resources),
+};
+
+static struct resource eth1_resources[] = {
+	{
+		.start		= ADM8668_WAN_BASE,
+		.end		= ADM8668_WAN_BASE + 256,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= INT_LVL_WAN,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device adm8668_eth1_device = {
+	.name		= "adm8668_eth",
+	.id		= 1,
+	.resource	= eth1_resources,
+	.num_resources	= ARRAY_SIZE(eth1_resources),
+};
+
+static void adm8668_restart(char *cmd)
+{
+	int i;
+
+	/* stop eth0 and eth1 */
+	ADM8668_LAN_REG(NETCSR6) = (1 << 13) | (1 << 1);
+	ADM8668_LAN_REG(NETCSR7) = 0;
+	ADM8668_WAN_REG(NETCSR6) = (1 << 13) | (1 << 1);
+	ADM8668_WAN_REG(NETCSR7) = 0;
+
+	/* reset PHY */
+	ADM8668_WAN_REG(NETCSR37) = 0x20;
+	for (i = 0; i < 10000; i++)
+		;
+	ADM8668_WAN_REG(NETCSR37) = 0;
+	for (i = 0; i < 10000; i++)
+		;
+
+	*(volatile unsigned int *)0xB1600000 = 1;	/* reset eth0 mac */
+	*(volatile unsigned int *)0xB1A00000 = 1;	/* reset eth1 mac */
+	*(volatile unsigned int *)0xB1800000 = 1;	/* reset wlan0 mac */
+
+	/* the real deal */
+	for (i = 0; i < 1000; i++)
+		;
+	ADM8668_CONFIG_REG(ADM8668_CR1) = 1;
+}
+
+int __devinit adm8668_devs_register(void)
+{
+	_machine_restart = adm8668_restart;
+	platform_device_register(&adm8668_uart_device);
+	platform_device_register(&adm8668_eth0_device);
+	platform_device_register(&adm8668_eth1_device);
+
+	return 0;
+}
+
+void __init plat_time_init(void)
+{
+	int adj = (ADM8668_CONFIG_REG(ADM8668_CR3) >> 11) & 0xf;
+
+	/* adjustable clock selection
+	   CR3 bit 14~11, 0000 -> 175MHz, 0001 -> 180MHz, etc... */
+
+	mips_hpt_frequency = (SYS_CLOCK + adj * 5000000) / 2;
+	printk("ADM8668 CPU clock: %d MHz\n", 2*mips_hpt_frequency / 1000000);
+}
+
+void __init plat_mem_setup(void)
+{
+	/* prom_init seemed like easier place for this. it's tooo simple */
+}
+
+const char *get_system_type(void)
+{
+        unsigned long chipid = ADM8668_CONFIG_REG(ADM8668_CR0);
+        int adj = (ADM8668_CONFIG_REG(ADM8668_CR3) >> 11) & 0xf;
+        int product, revision, mhz;
+	static char ret[32];
+
+        product = chipid >> 16;
+        revision = chipid & 0xffff;
+	mhz = (SYS_CLOCK/1000000) + (adj * 5);
+
+	/* i getting fancy :\ */
+	snprintf(ret, sizeof(ret), "ADM%xr%x %dMHz", product, revision, mhz);
+
+	return ret;
+}
+
+arch_initcall(adm8668_devs_register);