summaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/mach-se/7206
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/mach-se/7206')
-rw-r--r--arch/sh/boards/mach-se/7206/Makefile5
-rw-r--r--arch/sh/boards/mach-se/7206/io.c104
-rw-r--r--arch/sh/boards/mach-se/7206/irq.c146
-rw-r--r--arch/sh/boards/mach-se/7206/setup.c108
4 files changed, 363 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/7206/Makefile b/arch/sh/boards/mach-se/7206/Makefile
new file mode 100644
index 00000000000..63e7ed699f3
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the 7206 SolutionEngine specific parts of the kernel
+#
+
+obj-y := setup.o io.o irq.o
diff --git a/arch/sh/boards/mach-se/7206/io.c b/arch/sh/boards/mach-se/7206/io.c
new file mode 100644
index 00000000000..9c3a33210d6
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/io.c
@@ -0,0 +1,104 @@
+/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $
+ *
+ * linux/arch/sh/boards/se/7206/io.c
+ *
+ * Copyright (C) 2006 Yoshinori Sato
+ *
+ * I/O routine for Hitachi 7206 SolutionEngine.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <mach-se/mach/se7206.h>
+
+
+static inline void delay(void)
+{
+ ctrl_inw(0x20000000); /* P2 ROM Area */
+}
+
+/* MS7750 requires special versions of in*, out* routines, since
+ PC-like io ports are located at upper half byte of 16-bit word which
+ can be accessed only with 16-bit wide. */
+
+static inline volatile __u16 *
+port2adr(unsigned int port)
+{
+ if (port >= 0x2000 && port < 0x2020)
+ return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
+ else if (port >= 0x300 && port < 0x310)
+ return (volatile __u16 *) (PA_SMSC + (port - 0x300));
+
+ return (volatile __u16 *)port;
+}
+
+unsigned char se7206_inb(unsigned long port)
+{
+ return (*port2adr(port)) & 0xff;
+}
+
+unsigned char se7206_inb_p(unsigned long port)
+{
+ unsigned long v;
+
+ v = (*port2adr(port)) & 0xff;
+ delay();
+ return v;
+}
+
+unsigned short se7206_inw(unsigned long port)
+{
+ return *port2adr(port);;
+}
+
+void se7206_outb(unsigned char value, unsigned long port)
+{
+ *(port2adr(port)) = value;
+}
+
+void se7206_outb_p(unsigned char value, unsigned long port)
+{
+ *(port2adr(port)) = value;
+ delay();
+}
+
+void se7206_outw(unsigned short value, unsigned long port)
+{
+ *port2adr(port) = value;
+}
+
+void se7206_insb(unsigned long port, void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ __u8 *ap = addr;
+
+ while (count--)
+ *ap++ = *p;
+}
+
+void se7206_insw(unsigned long port, void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ __u16 *ap = addr;
+ while (count--)
+ *ap++ = *p;
+}
+
+void se7206_outsb(unsigned long port, const void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ const __u8 *ap = addr;
+
+ while (count--)
+ *p = *ap++;
+}
+
+void se7206_outsw(unsigned long port, const void *addr, unsigned long count)
+{
+ volatile __u16 *p = port2adr(port);
+ const __u16 *ap = addr;
+ while (count--)
+ *p = *ap++;
+}
diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c
new file mode 100644
index 00000000000..aef7f052851
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/irq.c
@@ -0,0 +1,146 @@
+/*
+ * linux/arch/sh/boards/se/7206/irq.c
+ *
+ * Copyright (C) 2005,2006 Yoshinori Sato
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <mach-se/mach/se7206.h>
+
+#define INTSTS0 0x31800000
+#define INTSTS1 0x31800002
+#define INTMSK0 0x31800004
+#define INTMSK1 0x31800006
+#define INTSEL 0x31800008
+
+#define IRQ0_IRQ 64
+#define IRQ1_IRQ 65
+#define IRQ3_IRQ 67
+
+#define INTC_IPR01 0xfffe0818
+#define INTC_ICR1 0xfffe0802
+
+static void disable_se7206_irq(unsigned int irq)
+{
+ unsigned short val;
+ unsigned short mask = 0xffff ^ (0x0f << 4 * (3 - (IRQ0_IRQ - irq)));
+ unsigned short msk0,msk1;
+
+ /* Set the priority in IPR to 0 */
+ val = ctrl_inw(INTC_IPR01);
+ val &= mask;
+ ctrl_outw(val, INTC_IPR01);
+ /* FPGA mask set */
+ msk0 = ctrl_inw(INTMSK0);
+ msk1 = ctrl_inw(INTMSK1);
+
+ switch (irq) {
+ case IRQ0_IRQ:
+ msk0 |= 0x0010;
+ break;
+ case IRQ1_IRQ:
+ msk0 |= 0x000f;
+ break;
+ case IRQ3_IRQ:
+ msk0 |= 0x0f00;
+ msk1 |= 0x00ff;
+ break;
+ }
+ ctrl_outw(msk0, INTMSK0);
+ ctrl_outw(msk1, INTMSK1);
+}
+
+static void enable_se7206_irq(unsigned int irq)
+{
+ unsigned short val;
+ unsigned short value = (0x0001 << 4 * (3 - (IRQ0_IRQ - irq)));
+ unsigned short msk0,msk1;
+
+ /* Set priority in IPR back to original value */
+ val = ctrl_inw(INTC_IPR01);
+ val |= value;
+ ctrl_outw(val, INTC_IPR01);
+
+ /* FPGA mask reset */
+ msk0 = ctrl_inw(INTMSK0);
+ msk1 = ctrl_inw(INTMSK1);
+
+ switch (irq) {
+ case IRQ0_IRQ:
+ msk0 &= ~0x0010;
+ break;
+ case IRQ1_IRQ:
+ msk0 &= ~0x000f;
+ break;
+ case IRQ3_IRQ:
+ msk0 &= ~0x0f00;
+ msk1 &= ~0x00ff;
+ break;
+ }
+ ctrl_outw(msk0, INTMSK0);
+ ctrl_outw(msk1, INTMSK1);
+}
+
+static void eoi_se7206_irq(unsigned int irq)
+{
+ unsigned short sts0,sts1;
+
+ if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+ enable_se7206_irq(irq);
+ /* FPGA isr clear */
+ sts0 = ctrl_inw(INTSTS0);
+ sts1 = ctrl_inw(INTSTS1);
+
+ switch (irq) {
+ case IRQ0_IRQ:
+ sts0 &= ~0x0010;
+ break;
+ case IRQ1_IRQ:
+ sts0 &= ~0x000f;
+ break;
+ case IRQ3_IRQ:
+ sts0 &= ~0x0f00;
+ sts1 &= ~0x00ff;
+ break;
+ }
+ ctrl_outw(sts0, INTSTS0);
+ ctrl_outw(sts1, INTSTS1);
+}
+
+static struct irq_chip se7206_irq_chip __read_mostly = {
+ .name = "SE7206-FPGA",
+ .mask = disable_se7206_irq,
+ .unmask = enable_se7206_irq,
+ .mask_ack = disable_se7206_irq,
+ .eoi = eoi_se7206_irq,
+};
+
+static void make_se7206_irq(unsigned int irq)
+{
+ disable_irq_nosync(irq);
+ set_irq_chip_and_handler_name(irq, &se7206_irq_chip,
+ handle_level_irq, "level");
+ disable_se7206_irq(irq);
+}
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_se7206_IRQ(void)
+{
+ make_se7206_irq(IRQ0_IRQ); /* SMC91C111 */
+ make_se7206_irq(IRQ1_IRQ); /* ATA */
+ make_se7206_irq(IRQ3_IRQ); /* SLOT / PCM */
+ ctrl_outw(inw(INTC_ICR1) | 0x000b ,INTC_ICR1 ) ; /* ICR1 */
+
+ /* FPGA System register setup*/
+ ctrl_outw(0x0000,INTSTS0); /* Clear INTSTS0 */
+ ctrl_outw(0x0000,INTSTS1); /* Clear INTSTS1 */
+ /* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */
+ ctrl_outw(0x0001,INTSEL);
+}
diff --git a/arch/sh/boards/mach-se/7206/setup.c b/arch/sh/boards/mach-se/7206/setup.c
new file mode 100644
index 00000000000..f5466384972
--- /dev/null
+++ b/arch/sh/boards/mach-se/7206/setup.c
@@ -0,0 +1,108 @@
+/*
+ *
+ * linux/arch/sh/boards/se/7206/setup.c
+ *
+ * Copyright (C) 2006 Yoshinori Sato
+ * Copyright (C) 2007 - 2008 Paul Mundt
+ *
+ * Hitachi 7206 SolutionEngine Support.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/smc91x.h>
+#include <mach-se/mach/se7206.h>
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <asm/heartbeat.h>
+
+static struct resource smc91x_resources[] = {
+ [0] = {
+ .name = "smc91x-regs",
+ .start = PA_SMSC + 0x300,
+ .end = PA_SMSC + 0x300 + 0x020 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 64,
+ .end = 64,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct smc91x_platdata smc91x_info = {
+ .flags = SMC91X_USE_16BIT,
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = -1,
+ .dev = {
+ .dma_mask = NULL,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &smc91x_info,
+ },
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+};
+
+static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 };
+
+static struct heartbeat_data heartbeat_data = {
+ .bit_pos = heartbeat_bit_pos,
+ .nr_bits = ARRAY_SIZE(heartbeat_bit_pos),
+ .regsize = 32,
+};
+
+static struct resource heartbeat_resources[] = {
+ [0] = {
+ .start = PA_LED,
+ .end = PA_LED,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device heartbeat_device = {
+ .name = "heartbeat",
+ .id = -1,
+ .dev = {
+ .platform_data = &heartbeat_data,
+ },
+ .num_resources = ARRAY_SIZE(heartbeat_resources),
+ .resource = heartbeat_resources,
+};
+
+static struct platform_device *se7206_devices[] __initdata = {
+ &smc91x_device,
+ &heartbeat_device,
+};
+
+static int __init se7206_devices_setup(void)
+{
+ return platform_add_devices(se7206_devices, ARRAY_SIZE(se7206_devices));
+}
+__initcall(se7206_devices_setup);
+
+/*
+ * The Machine Vector
+ */
+
+static struct sh_machine_vector mv_se __initmv = {
+ .mv_name = "SolutionEngine",
+ .mv_nr_irqs = 256,
+ .mv_inb = se7206_inb,
+ .mv_inw = se7206_inw,
+ .mv_outb = se7206_outb,
+ .mv_outw = se7206_outw,
+
+ .mv_inb_p = se7206_inb_p,
+ .mv_inw_p = se7206_inw,
+ .mv_outb_p = se7206_outb_p,
+ .mv_outw_p = se7206_outw,
+
+ .mv_insb = se7206_insb,
+ .mv_insw = se7206_insw,
+ .mv_outsb = se7206_outsb,
+ .mv_outsw = se7206_outsw,
+
+ .mv_init_irq = init_se7206_IRQ,
+};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 23:32:22 +0000