From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-iop32x/glantank.c | 215 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 arch/arm/mach-iop32x/glantank.c (limited to 'arch/arm/mach-iop32x/glantank.c') diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c new file mode 100644 index 00000000..c6b6f9c5 --- /dev/null +++ b/arch/arm/mach-iop32x/glantank.c @@ -0,0 +1,215 @@ +/* + * arch/arm/mach-iop32x/glantank.c + * + * Board support code for the GLAN Tank. + * + * Copyright (C) 2006, 2007 Martin Michlmayr + * Copyright (C) 2006 Lennert Buytenhek + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * GLAN Tank timer tick configuration. + */ +static void __init glantank_timer_init(void) +{ + /* 33.333 MHz crystal. */ + iop_init_time(200000000); +} + +static struct sys_timer glantank_timer = { + .init = glantank_timer_init, +}; + + +/* + * 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 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 = 2, +}; + +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 struct f75375s_platform_data glantank_f75375s = { + .pwm = { 255, 255 }, + .pwm_enable = { 0, 0 }, +}; + +static struct i2c_board_info __initdata glantank_i2c_devices[] = { + { + I2C_BOARD_INFO("rs5c372a", 0x32), + }, + { + I2C_BOARD_INFO("f75375", 0x2e), + .platform_data = &glantank_f75375s, + }, +}; + +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); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); + + i2c_register_board_info(0, glantank_i2c_devices, + ARRAY_SIZE(glantank_i2c_devices)); + + pm_power_off = glantank_power_off; +} + +MACHINE_START(GLANTANK, "GLAN Tank") + /* Maintainer: Lennert Buytenhek */ + .boot_params = 0xa0000100, + .map_io = glantank_map_io, + .init_irq = iop32x_init_irq, + .timer = &glantank_timer, + .init_machine = glantank_init_machine, +MACHINE_END -- cgit v1.2.3