--- /dev/null
+/*
+ * arch/arm/mach-iop32x/em7210.c
+ *
+ * Board support code for the Lanner EM7210 platforms.
+ *
+ * Based on arch/arm/mach-iop32x/iq31244.c file.
+ *
+ * Copyright (C) 2007 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/pm.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 <linux/io.h>
+#include <linux/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/arch/time.h>
+
+static void __init em7210_timer_init(void)
+{
+ /* http://www.kwaak.net/fotos/fotos-nas/slide_24.html */
+ /* 33.333 MHz crystal. */
+ iop_init_time(200000000);
+}
+
+static struct sys_timer em7210_timer = {
+ .init = em7210_timer_init,
+ .offset = iop_gettimeoffset,
+};
+
+
+/*
+ * EM7210 I/O
+ */
+static struct map_desc em7210_io_desc[] __initdata = {
+ { /* on-board devices */
+ .virtual = IQ31244_UART,
+ .pfn = __phys_to_pfn(IQ31244_UART),
+ .length = 0x00100000,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init em7210_map_io(void)
+{
+ iop3xx_map_io();
+ iotable_init(em7210_io_desc, ARRAY_SIZE(em7210_io_desc));
+}
+
+
+/*
+ * EM7210 PCI
+ */
+#define INTA IRQ_IOP32X_XINT0
+#define INTB IRQ_IOP32X_XINT1
+#define INTC IRQ_IOP32X_XINT2
+#define INTD IRQ_IOP32X_XINT3
+
+static int __init
+em7210_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
+ */
+ {INTB, INTB, INTB, INTB}, /* console / uart */
+ {INTA, INTA, INTA, INTA}, /* 1st 82541 */
+ {INTD, INTD, INTD, INTD}, /* 2nd 82541 */
+ {INTC, INTC, INTC, INTC}, /* GD31244 */
+ {INTD, INTA, INTA, INTA}, /* mini-PCI */
+ {INTD, INTC, INTA, INTA}, /* NEC USB */
+ };
+
+ if (pin < 1 || pin > 4)
+ return -1;
+
+ return pci_irq_table[slot % 6][pin - 1];
+}
+
+static struct hw_pci em7210_pci __initdata = {
+ .swizzle = pci_std_swizzle,
+ .nr_controllers = 1,
+ .setup = iop3xx_pci_setup,
+ .preinit = iop3xx_pci_preinit,
+ .scan = iop3xx_pci_scan_bus,
+ .map_irq = em7210_pci_map_irq,
+};
+
+static int __init em7210_pci_init(void)
+{
+ if (machine_is_em7210())
+ pci_common_init(&em7210_pci);
+
+ return 0;
+}
+
+subsys_initcall(em7210_pci_init);
+
+
+/*
+ * EM7210 Flash
+ */
+static struct physmap_flash_data em7210_flash_data = {
+ .width = 2,
+};
+
+static struct resource em7210_flash_resource = {
+ .start = 0xf0000000,
+ .end = 0xf1ffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device em7210_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &em7210_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &em7210_flash_resource,
+};
+
+
+/*
+ * EM7210 UART
+ * The physical address of the serial port is 0xfe800000,
+ * so it can be used for physical and virtual address.
+ */
+static struct plat_serial8250_port em7210_serial_port[] = {
+ {
+ .mapbase = IQ31244_UART,
+ .membase = (char *)IQ31244_UART,
+ .irq = IRQ_IOP32X_XINT1,
+ .flags = UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 0,
+ .uartclk = 1843200,
+ },
+ { },
+};
+
+static struct resource em7210_uart_resource = {
+ .start = IQ31244_UART,
+ .end = IQ31244_UART + 7,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device em7210_serial_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = em7210_serial_port,
+ },
+ .num_resources = 1,
+ .resource = &em7210_uart_resource,
+};
+
+void em7210_power_off(void)
+{
+ *IOP3XX_GPOE &= 0xfe;
+ *IOP3XX_GPOD |= 0x01;
+}
+
+static void __init em7210_init_machine(void)
+{
+ platform_device_register(&em7210_serial_device);
+ platform_device_register(&iop3xx_i2c0_device);
+ platform_device_register(&iop3xx_i2c1_device);
+ platform_device_register(&em7210_flash_device);
+ platform_device_register(&iop3xx_dma_0_channel);
+ platform_device_register(&iop3xx_dma_1_channel);
+
+
+ pm_power_off = em7210_power_off;
+}
+
+MACHINE_START(EM7210, "Lanner EM7210")
+ .phys_io = IQ31244_UART,
+ .io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc,
+ .boot_params = 0xa0000100,
+ .map_io = em7210_map_io,
+ .init_irq = iop32x_init_irq,
+ .timer = &em7210_timer,
+ .init_machine = em7210_init_machine,
+MACHINE_END
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff