[ARM] 3851/1: iop3xx: add io-data glantank support
Add support for the IO-Data GLAN Tank, from Martin Michlmayr.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/configs/iop32x_defconfig b/arch/arm/configs/iop32x_defconfig
index af3b40c..0d67f66 100644
--- a/arch/arm/configs/iop32x_defconfig
+++ b/arch/arm/configs/iop32x_defconfig
@@ -126,6 +126,7 @@
#
# IOP32x Platform Types
#
+CONFIG_MACH_GLANTANK=y
CONFIG_ARCH_IQ80321=y
CONFIG_ARCH_IQ31244=y
CONFIG_MACH_N2100=y
diff --git a/arch/arm/mach-iop32x/Kconfig b/arch/arm/mach-iop32x/Kconfig
index 0a397a4..c072d94 100644
--- a/arch/arm/mach-iop32x/Kconfig
+++ b/arch/arm/mach-iop32x/Kconfig
@@ -4,6 +4,13 @@
comment "IOP32x Platform Types"
+config MACH_GLANTANK
+ bool "Enable support for the IO-Data GLAN Tank"
+ help
+ Say Y here if you want to run your kernel on the GLAN Tank
+ NAS appliance or machines from IO-Data's HDL-Gxxx, HDL-GWxxx
+ and HDL-GZxxx series.
+
config ARCH_IQ80321
bool "Enable support for IQ80321"
help
diff --git a/arch/arm/mach-iop32x/Makefile b/arch/arm/mach-iop32x/Makefile
index 9c62470..7b05b37 100644
--- a/arch/arm/mach-iop32x/Makefile
+++ b/arch/arm/mach-iop32x/Makefile
@@ -7,6 +7,7 @@
obj-n :=
obj- :=
+obj-$(CONFIG_MACH_GLANTANK) += glantank.o
obj-$(CONFIG_ARCH_IQ80321) += iq80321.o
obj-$(CONFIG_ARCH_IQ31244) += iq31244.o
obj-$(CONFIG_MACH_N2100) += n2100.o
diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c
new file mode 100644
index 0000000..b9b7650
--- /dev/null
+++ b/arch/arm/mach-iop32x/glantank.c
@@ -0,0 +1,195 @@
+/*
+ * arch/arm/mach-iop32x/glantank.c
+ *
+ * Board support code for the GLAN Tank.
+ *
+ * Copyright (C) 2006 Martin Michlmayr <tbm@cyrius.com>
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/pci.h>
+#include <asm/mach/time.h>
+#include <asm/mach-types.h>
+#include <asm/page.h>
+
+/*
+ * GLAN Tank timer tick configuration.
+ */
+static void __init glantank_timer_init(void)
+{
+ /* 33.333 MHz crystal. */
+ iop3xx_init_time(200000000);
+}
+
+static struct sys_timer glantank_timer = {
+ .init = glantank_timer_init,
+ .offset = iop3xx_gettimeoffset,
+};
+
+
+/*
+ * GLAN Tank I/O.
+ */
+static struct map_desc glantank_io_desc[] __initdata = {
+ { /* on-board devices */
+ .virtual = GLANTANK_UART,
+ .pfn = __phys_to_pfn(GLANTANK_UART),
+ .length = 0x00100000,
+ .type = MT_DEVICE
+ },
+};
+
+void __init glantank_map_io(void)
+{
+ iop3xx_map_io();
+ iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));
+}
+
+
+/*
+ * GLAN Tank PCI.
+ */
+#define INTA IRQ_IOP32X_XINT0
+#define INTB IRQ_IOP32X_XINT1
+#define INTC IRQ_IOP32X_XINT2
+#define INTD IRQ_IOP32X_XINT3
+
+static inline int __init
+glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ static int pci_irq_table[][4] = {
+ /*
+ * PCI IDSEL/INTPIN->INTLINE
+ * A B C D
+ */
+ {INTD, INTD, INTD, INTD}, /* UART (8250) */
+ {INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */
+ {INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */
+ {INTC, INTC, INTC, INTC}, /* USB (NEC) */
+ };
+
+ BUG_ON(pin < 1 || pin > 4);
+
+ return pci_irq_table[slot % 4][pin - 1];
+}
+
+static struct hw_pci glantank_pci __initdata = {
+ .swizzle = pci_std_swizzle,
+ .nr_controllers = 1,
+ .setup = iop3xx_pci_setup,
+ .preinit = iop3xx_pci_preinit,
+ .scan = iop3xx_pci_scan_bus,
+ .map_irq = glantank_pci_map_irq,
+};
+
+static int __init glantank_pci_init(void)
+{
+ if (machine_is_glantank())
+ pci_common_init(&glantank_pci);
+
+ return 0;
+}
+
+subsys_initcall(glantank_pci_init);
+
+
+/*
+ * GLAN Tank machine initialization.
+ */
+static struct physmap_flash_data glantank_flash_data = {
+ .width = 1,
+};
+
+static struct resource glantank_flash_resource = {
+ .start = 0xf0000000,
+ .end = 0xf007ffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device glantank_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &glantank_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &glantank_flash_resource,
+};
+
+static struct plat_serial8250_port glantank_serial_port[] = {
+ {
+ .mapbase = GLANTANK_UART,
+ .membase = (char *)GLANTANK_UART,
+ .irq = IRQ_IOP32X_XINT3,
+ .flags = UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 0,
+ .uartclk = 1843200,
+ },
+ { },
+};
+
+static struct resource glantank_uart_resource = {
+ .start = GLANTANK_UART,
+ .end = GLANTANK_UART + 7,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device glantank_serial_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = glantank_serial_port,
+ },
+ .num_resources = 1,
+ .resource = &glantank_uart_resource,
+};
+
+static void glantank_power_off(void)
+{
+ __raw_writeb(0x01, 0xfe8d0004);
+
+ while (1)
+ ;
+}
+
+static void __init glantank_init_machine(void)
+{
+ platform_device_register(&iop3xx_i2c0_device);
+ platform_device_register(&iop3xx_i2c1_device);
+ platform_device_register(&glantank_flash_device);
+ platform_device_register(&glantank_serial_device);
+
+ pm_power_off = glantank_power_off;
+}
+
+MACHINE_START(GLANTANK, "GLAN Tank")
+ /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
+ .phys_io = GLANTANK_UART,
+ .io_pg_offst = ((GLANTANK_UART) >> 18) & 0xfffc,
+ .boot_params = 0xa0000100,
+ .map_io = glantank_map_io,
+ .init_irq = iop32x_init_irq,
+ .timer = &glantank_timer,
+ .init_machine = glantank_init_machine,
+MACHINE_END
diff --git a/arch/arm/mach-iop32x/irq.c b/arch/arm/mach-iop32x/irq.c
index 17fb94e..69d6302 100644
--- a/arch/arm/mach-iop32x/irq.c
+++ b/arch/arm/mach-iop32x/irq.c
@@ -62,7 +62,8 @@
intctl_write(0);
intstr_write(0);
- if (machine_is_iq80321() ||
+ if (machine_is_glantank() ||
+ machine_is_iq80321() ||
machine_is_iq31244() ||
machine_is_n2100())
*IOP3XX_PCIIRSR = 0x0f;
diff --git a/include/asm-arm/arch-iop32x/glantank.h b/include/asm-arm/arch-iop32x/glantank.h
new file mode 100644
index 0000000..3b06561
--- /dev/null
+++ b/include/asm-arm/arch-iop32x/glantank.h
@@ -0,0 +1,13 @@
+/*
+ * include/asm/arch-iop32x/glantank.h
+ *
+ * IO-Data GLAN Tank board registers
+ */
+
+#ifndef __GLANTANK_H
+#define __GLANTANK_H
+
+#define GLANTANK_UART 0xfe800000 /* UART */
+
+
+#endif
diff --git a/include/asm-arm/arch-iop32x/hardware.h b/include/asm-arm/arch-iop32x/hardware.h
index c6f58b9..6556ed5 100644
--- a/include/asm-arm/arch-iop32x/hardware.h
+++ b/include/asm-arm/arch-iop32x/hardware.h
@@ -35,6 +35,7 @@
/*
* Board specific bits
*/
+#include "glantank.h"
#include "iq80321.h"
#include "iq31244.h"
#include "n2100.h"