This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / m32r / kernel / setup_m32104ut.c

diff --git a/arch/m32r/kernel/setup_m32104ut.c b/arch/m32r/kernel/setup_m32104ut.c
new file mode 100644 (file)
index 0000000..6328e13
--- /dev/null
+++ b/arch/m32r/kernel/setup_m32104ut.c
@@ -0,0 +1,156 @@
+/*
+ *  linux/arch/m32r/kernel/setup_m32104ut.c
+ *
+ *  Setup routines for M32104UT Board
+ *
+ *  Copyright (c) 2002-2005  Hiroyuki Kondo, Hirokazu Takata,
+ *                           Hitoshi Yamamoto, Mamoru Sakugawa,
+ *                           Naoto Sugai, Hayato Fujiwara
+ */
+
+#include <linux/config.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <asm/system.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_and_ack_m32104ut(unsigned int irq)
+{
+       disable_m32104ut_irq(irq);
+}
+
+static void end_m32104ut_irq(unsigned int irq)
+{
+       enable_m32104ut_irq(irq);
+}
+
+static unsigned int startup_m32104ut_irq(unsigned int irq)
+{
+       enable_m32104ut_irq(irq);
+       return (0);
+}
+
+static void shutdown_m32104ut_irq(unsigned int irq)
+{
+       unsigned long port;
+
+       port = irq2port(irq);
+       outl(M32R_ICUCR_ILEVEL7, port);
+}
+
+static struct hw_interrupt_type m32104ut_irq_type =
+{
+       .typename = "M32104UT-IRQ",
+       .startup = startup_m32104ut_irq,
+       .shutdown = shutdown_m32104ut_irq,
+       .enable = enable_m32104ut_irq,
+       .disable = disable_m32104ut_irq,
+       .ack = mask_and_ack_m32104ut,
+       .end = end_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_desc[M32R_IRQ_INT0].status = IRQ_DISABLED;
+       irq_desc[M32R_IRQ_INT0].handler = &m32104ut_irq_type;
+       irq_desc[M32R_IRQ_INT0].action = 0;
+       irq_desc[M32R_IRQ_INT0].depth = 1;
+       icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD11; /* "H" level sense */
+       disable_m32104ut_irq(M32R_IRQ_INT0);
+#endif  /* CONFIG_SMC91X */
+
+       /* MFT2 : system timer */
+       irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
+       irq_desc[M32R_IRQ_MFT2].handler = &m32104ut_irq_type;
+       irq_desc[M32R_IRQ_MFT2].action = 0;
+       irq_desc[M32R_IRQ_MFT2].depth = 1;
+       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_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
+       irq_desc[M32R_IRQ_SIO0_R].handler = &m32104ut_irq_type;
+       irq_desc[M32R_IRQ_SIO0_R].action = 0;
+       irq_desc[M32R_IRQ_SIO0_R].depth = 1;
+       icu_data[M32R_IRQ_SIO0_R].icucr = M32R_ICUCR_IEN;
+       disable_m32104ut_irq(M32R_IRQ_SIO0_R);
+
+       /* SIO0_S : uart send data */
+       irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
+       irq_desc[M32R_IRQ_SIO0_S].handler = &m32104ut_irq_type;
+       irq_desc[M32R_IRQ_SIO0_S].action = 0;
+       irq_desc[M32R_IRQ_SIO0_S].depth = 1;
+       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);