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-rw-r--r--arch/arm/mach-pxa/mp900.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/mp900.c b/arch/arm/mach-pxa/mp900.c
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index 000000000..8ef8ac4ab
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+++ b/arch/arm/mach-pxa/mp900.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/arch/arm/mach-pxa/mp900.c
+ *
+ * Support for the NEC MobilePro900/C platform
+ *
+ * Based on mach-pxa/gumstix.c
+ *
+ * 2007, 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com>
+ * 2007, 2008 Michael Petchkovsky <mkpetch@internode.on.net>
+ */
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/usb/isp116x.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include "pxa25x.h"
+#include "generic.h"
+
+static void isp116x_pfm_delay(struct device *dev, int delay)
+{
+
+ /* 400MHz PXA2 = 2.5ns / instruction */
+
+ int cyc = delay / 10;
+
+ /* 4 Instructions = 4 x 2.5ns = 10ns */
+ __asm__ volatile ("0:\n"
+ "subs %0, %1, #1\n"
+ "bge 0b\n"
+ :"=r" (cyc)
+ :"0"(cyc)
+ );
+}
+
+static struct isp116x_platform_data isp116x_pfm_data = {
+ .remote_wakeup_enable = 1,
+ .delay = isp116x_pfm_delay,
+};
+
+static struct resource isp116x_pfm_resources[] = {
+ [0] = {
+ .start = 0x0d000000,
+ .end = 0x0d000000 + 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 0x0d000000 + 4,
+ .end = 0x0d000000 + 5,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = 61,
+ .end = 61,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mp900c_dummy_device = {
+ .name = "mp900c_dummy",
+ .id = -1,
+};
+
+static struct platform_device mp900c_usb = {
+ .name = "isp116x-hcd",
+ .num_resources = ARRAY_SIZE(isp116x_pfm_resources),
+ .resource = isp116x_pfm_resources,
+ .dev.platform_data = &isp116x_pfm_data,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &mp900c_dummy_device,
+ &mp900c_usb,
+};
+
+static void __init mp900c_init(void)
+{
+ printk(KERN_INFO "MobilePro 900/C machine init\n");
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+/* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */
+MACHINE_START(NEC_MP900, "MobilePro900/C")
+ .atag_offset = 0x220100,
+ .init_time = pxa_timer_init,
+ .map_io = pxa25x_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa25x_init_irq,
+ .handle_irq = pxa25x_handle_irq,
+ .init_machine = mp900c_init,
+ .restart = pxa_restart,
+MACHINE_END
+