Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / m32r / platforms / m32104ut / setup.c

diff --git a/kernel/arch/m32r/platforms/m32104ut/setup.c b/kernel/arch/m32r/platforms/m32104ut/setup.c
new file mode 100644 (file)
index 0000000..e2dd778
--- /dev/null
+++ b/kernel/arch/m32r/platforms/m32104ut/setup.c
@@ -0,0 +1,138 @@
+/*
+ *  linux/arch/m32r/platforms/m32104ut/setup.c
+ *
+ *  Setup routines for M32104UT Board
+ *
+ *  Copyright (c) 2002-2005  Hiroyuki Kondo, Hirokazu Takata,
+ *                           Hitoshi Yamamoto, Mamoru Sakugawa,
+ *                           Naoto Sugai, Hayato Fujiwara
+ */
+
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <asm/m32r.h>
+#include <asm/io.h>
+
+#define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
+
+icu_data_t icu_data[NR_IRQS];
+
+static void disable_m32104ut_irq(unsigned int irq)
+{
+       unsigned long port, data;
+
+       port = irq2port(irq);
+       data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
+       outl(data, port);
+}
+
+static void enable_m32104ut_irq(unsigned int irq)
+{
+       unsigned long port, data;
+
+       port = irq2port(irq);
+       data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
+       outl(data, port);
+}
+
+static void mask_m32104ut_irq(struct irq_data *data)
+{
+       disable_m32104ut_irq(data->irq);
+}
+
+static void unmask_m32104ut_irq(struct irq_data *data)
+{
+       enable_m32104ut_irq(data->irq);
+}
+
+static void shutdown_m32104ut_irq(struct irq_data *data)
+{
+       unsigned int irq = data->irq;
+       unsigned long port = irq2port(irq);
+
+       outl(M32R_ICUCR_ILEVEL7, port);
+}
+
+static struct irq_chip m32104ut_irq_type =
+{
+       .name           = "M32104UT-IRQ",
+       .irq_shutdown   = shutdown_m32104ut_irq,
+       .irq_unmask     = unmask_m32104ut_irq,
+       .irq_mask       = mask_m32104ut_irq,
+};
+
+void __init init_IRQ(void)
+{
+       static int once = 0;
+
+       if (once)
+               return;
+       else
+               once++;
+
+#if defined(CONFIG_SMC91X)
+       /* INT#0: LAN controller on M32104UT-LAN (SMC91C111)*/
+       irq_set_chip_and_handler(M32R_IRQ_INT0, &m32104ut_irq_type,
+                                handle_level_irq);
+       /* "H" level sense */
+       cu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD11;
+       disable_m32104ut_irq(M32R_IRQ_INT0);
+#endif  /* CONFIG_SMC91X */
+
+       /* MFT2 : system timer */
+       irq_set_chip_and_handler(M32R_IRQ_MFT2, &m32104ut_irq_type,
+                                handle_level_irq);
+       icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
+       disable_m32104ut_irq(M32R_IRQ_MFT2);
+
+#ifdef CONFIG_SERIAL_M32R_SIO
+       /* SIO0_R : uart receive data */
+       irq_set_chip_and_handler(M32R_IRQ_SIO0_R, &m32104ut_irq_type,
+                                handle_level_irq);
+       icu_data[M32R_IRQ_SIO0_R].icucr = M32R_ICUCR_IEN;
+       disable_m32104ut_irq(M32R_IRQ_SIO0_R);
+
+       /* SIO0_S : uart send data */
+       irq_set_chip_and_handler(M32R_IRQ_SIO0_S, &m32104ut_irq_type,
+                                handle_level_irq);
+       icu_data[M32R_IRQ_SIO0_S].icucr = M32R_ICUCR_IEN;
+       disable_m32104ut_irq(M32R_IRQ_SIO0_S);
+#endif /* CONFIG_SERIAL_M32R_SIO */
+}
+
+#if defined(CONFIG_SMC91X)
+
+#define LAN_IOSTART     0x300
+#define LAN_IOEND       0x320
+static struct resource smc91x_resources[] = {
+       [0] = {
+               .start  = (LAN_IOSTART),
+               .end    = (LAN_IOEND),
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = M32R_IRQ_INT0,
+               .end    = M32R_IRQ_INT0,
+               .flags  = IORESOURCE_IRQ,
+       }
+};
+
+static struct platform_device smc91x_device = {
+       .name           = "smc91x",
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(smc91x_resources),
+       .resource       = smc91x_resources,
+};
+#endif
+
+static int __init platform_init(void)
+{
+#if defined(CONFIG_SMC91X)
+       platform_device_register(&smc91x_device);
+#endif
+       return 0;
+}
+arch_initcall(platform_init);