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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.zh@hitachi.com>2007-03-29 00:07:35 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-05-07 02:11:55 +0000
commitb75762302e144b73f12b72c59b99401d036680aa (patch)
tree92b2ea71d705652bcb3ec9435e86fcf9c06b5757 /arch/sh/boards
parentcd6c7ea234dc8a8607283e056d8010b2bd3c6369 (diff)
downloadlinux-2.6.34-ux500-b75762302e144b73f12b72c59b99401d036680aa.tar.gz
sh: SH7780 Solution Engine board support.
This adds support for the SH7780-based Solution Engine reference board. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.zh@hitachi.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards')
-rw-r--r--arch/sh/boards/se/7780/Makefile10
-rw-r--r--arch/sh/boards/se/7780/irq.c89
-rw-r--r--arch/sh/boards/se/7780/setup.c122
3 files changed, 221 insertions, 0 deletions
diff --git a/arch/sh/boards/se/7780/Makefile b/arch/sh/boards/se/7780/Makefile
new file mode 100644
index 00000000000..6b88adae3ec
--- /dev/null
+++ b/arch/sh/boards/se/7780/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for the HITACHI UL SolutionEngine 7780 specific parts of the kernel
+#
+# 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.
+#
+#
+
+obj-y := setup.o irq.o
diff --git a/arch/sh/boards/se/7780/irq.c b/arch/sh/boards/se/7780/irq.c
new file mode 100644
index 00000000000..3d0625c2d07
--- /dev/null
+++ b/arch/sh/boards/se/7780/irq.c
@@ -0,0 +1,89 @@
+/*
+ * linux/arch/sh/boards/se/7780/irq.c
+ *
+ * Copyright (C) 2006,2007 Nobuhiro Iwamatsu
+ *
+ * Hitachi UL SolutionEngine 7780 Support.
+ *
+ * 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/irq.h>
+#include <linux/interrupt.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/se7780.h>
+
+#define INTC_INTMSK0 0xFFD00044
+#define INTC_INTMSKCLR0 0xFFD00064
+
+static void disable_se7780_irq(unsigned int irq)
+{
+ struct intc2_data *p = get_irq_chip_data(irq);
+ ctrl_outl(1 << p->msk_shift, INTC_INTMSK0 + p->msk_offset);
+}
+
+static void enable_se7780_irq(unsigned int irq)
+{
+ struct intc2_data *p = get_irq_chip_data(irq);
+ ctrl_outl(1 << p->msk_shift, INTC_INTMSKCLR0 + p->msk_offset);
+}
+
+static struct irq_chip se7780_irq_chip __read_mostly = {
+ .name = "SE7780",
+ .mask = disable_se7780_irq,
+ .unmask = enable_se7780_irq,
+ .mask_ack = disable_se7780_irq,
+};
+
+static struct intc2_data intc2_irq_table[] = {
+ { 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT1 */
+ { 4, 0, 30, 0, 30, 3 }, /* daughter board EXTINT2 */
+ { 6, 0, 29, 0, 29, 3 }, /* daughter board EXTINT3 */
+ { 8, 0, 28, 0, 28, 3 }, /* SMC 91C111 (LAN) */
+ { 10, 0, 27, 0, 27, 3 }, /* daughter board EXTINT4 */
+ { 4, 0, 30, 0, 30, 3 }, /* daughter board EXTINT5 */
+ { 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT6 */
+ { 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT7 */
+ { 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT8 */
+ { 0 , 0, 24, 0, 24, 3 }, /* SM501 */
+};
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_se7780_IRQ(void)
+{
+ int i ;
+
+ /* enable all interrupt at FPGA */
+ ctrl_outw(0, FPGA_INTMSK1);
+ /* mask SM501 interrupt */
+ ctrl_outw((ctrl_inw(FPGA_INTMSK1) | 0x0002), FPGA_INTMSK1);
+ /* enable all interrupt at FPGA */
+ ctrl_outw(0, FPGA_INTMSK2);
+
+ /* set FPGA INTSEL register */
+ /* FPGA + 0x06 */
+ ctrl_outw( ((IRQPIN_SM501 << IRQPOS_SM501) |
+ (IRQPIN_SMC91CX << IRQPOS_SMC91CX)), FPGA_INTSEL1);
+
+ /* FPGA + 0x08 */
+ ctrl_outw(((IRQPIN_EXTINT4 << IRQPOS_EXTINT4) |
+ (IRQPIN_EXTINT3 << IRQPOS_EXTINT3) |
+ (IRQPIN_EXTINT2 << IRQPOS_EXTINT2) |
+ (IRQPIN_EXTINT1 << IRQPOS_EXTINT1)), FPGA_INTSEL2);
+
+ /* FPGA + 0x0A */
+ ctrl_outw((IRQPIN_PCCPW << IRQPOS_PCCPW), FPGA_INTSEL3);
+
+ for (i = 0; i < ARRAY_SIZE(intc2_irq_table); i++) {
+ disable_irq_nosync(intc2_irq_table[i].irq);
+ set_irq_chip_and_handler_name( intc2_irq_table[i].irq, &se7780_irq_chip,
+ handle_level_irq, "level");
+ set_irq_chip_data( intc2_irq_table[i].irq, &intc2_irq_table[i] );
+ disable_se7780_irq(intc2_irq_table[i].irq);
+ }
+}
diff --git a/arch/sh/boards/se/7780/setup.c b/arch/sh/boards/se/7780/setup.c
new file mode 100644
index 00000000000..df7d08a24c9
--- /dev/null
+++ b/arch/sh/boards/se/7780/setup.c
@@ -0,0 +1,122 @@
+/*
+ * linux/arch/sh/boards/se/7780/setup.c
+ *
+ * Copyright (C) 2006,2007 Nobuhiro Iwamatsu
+ *
+ * Hitachi UL SolutionEngine 7780 Support.
+ *
+ * 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/platform_device.h>
+#include <asm/machvec.h>
+#include <asm/se7780.h>
+#include <asm/io.h>
+
+/* Heartbeat */
+static unsigned char heartbeat_bit_pos[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
+
+static struct resource heartbeat_resources[] = {
+ [0] = {
+ .start = PA_LED,
+ .end = PA_LED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device heartbeat_device = {
+ .name = "heartbeat",
+ .id = -1,
+ .dev = {
+ .platform_data = heartbeat_bit_pos,
+ },
+ .num_resources = ARRAY_SIZE(heartbeat_resources),
+ .resource = heartbeat_resources,
+};
+
+/* SMC91x */
+static struct resource smc91x_eth_resources[] = {
+ [0] = {
+ .name = "smc91x-regs" ,
+ .start = PA_LAN + 0x300,
+ .end = PA_LAN + 0x300 + 0x10 ,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = SMC_IRQ,
+ .end = SMC_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device smc91x_eth_device = {
+ .name = "smc91x",
+ .id = 0,
+ .dev = {
+ .dma_mask = NULL, /* don't use dma */
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(smc91x_eth_resources),
+ .resource = smc91x_eth_resources,
+};
+
+static struct platform_device *se7780_devices[] __initdata = {
+ &heartbeat_device,
+ &smc91x_eth_device,
+};
+
+static int __init se7780_devices_setup(void)
+{
+ return platform_add_devices(se7780_devices,
+ ARRAY_SIZE(se7780_devices));
+}
+device_initcall(se7780_devices_setup);
+
+#define GPIO_PHCR 0xFFEA000E
+#define GPIO_PMSELR 0xFFEA0080
+#define GPIO_PECR 0xFFEA0008
+
+static void __init se7780_setup(char **cmdline_p)
+{
+ /* "SH-Linux" on LED Display */
+ ctrl_outw( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
+ ctrl_outw( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
+ ctrl_outw( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
+ ctrl_outw( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
+ ctrl_outw( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
+ ctrl_outw( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
+ ctrl_outw( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
+ ctrl_outw( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
+
+ printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
+
+ /*
+ * PCI REQ/GNT setting
+ * REQ0/GNT0 -> USB
+ * REQ1/GNT1 -> PC Card
+ * REQ2/GNT2 -> Serial ATA
+ * REQ3/GNT3 -> PCI slot
+ */
+ ctrl_outw(0x0213, FPGA_REQSEL);
+
+ /* GPIO setting */
+ ctrl_outw(0x0000, GPIO_PECR);
+ ctrl_outw(ctrl_inw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
+ ctrl_outw(0x0c00, GPIO_PMSELR);
+
+ /* iVDR Power ON */
+ ctrl_outw(0x0001, FPGA_IVDRPW);
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_se7780 __initmv = {
+ .mv_name = "Solution Engine 7780" ,
+ .mv_setup = se7780_setup ,
+ .mv_nr_irqs = 111 ,
+ .mv_init_irq = init_se7780_IRQ,
+};
+ALIAS_MV(se7780)