237 lines
5.5 KiB
C
237 lines
5.5 KiB
C
/*
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* arch/sh/boards/st/mb411/setup.c
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*
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* Copyright (C) 2005 STMicroelectronics Limited
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* Author: Stuart Menefy (stuart.menefy@st.com)
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*
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* May be copied or modified under the terms of the GNU General Public
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* License. See linux/COPYING for more information.
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*
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* STMicroelectronics STb7100 MBoard board support.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/phy.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/physmap.h>
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#include <linux/stm/platform.h>
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#include <linux/stm/stx7100.h>
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#include <sound/stm.h>
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#include <asm/io.h>
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#include <mach/epld.h>
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#include <asm/irq.h>
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#include <asm/irq-stx7100.h>
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#include <mach/common.h>
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static void __init mb411_setup(char** cmdline_p)
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{
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printk("STMicroelectronics STb7100 MBoard board initialisation\n");
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stx7100_early_device_init();
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stx7100_configure_asc(2, &(struct stx7100_asc_config) {
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.hw_flow_control = 1,
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.is_console = 1, });
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stx7100_configure_asc(3, &(struct stx7100_asc_config) {
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.hw_flow_control = 1,
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.is_console = 0, });
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}
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static struct resource mb411_smc91x_resources[] = {
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[0] = {
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.start = 0x03e00300,
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.end = 0x03e00300 + 0xff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 7,
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.end = 7,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mb411_smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(mb411_smc91x_resources),
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.resource = mb411_smc91x_resources,
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};
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static void mb411_mtd_set_vpp(struct map_info *map, int vpp)
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{
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/* Bit 0: VPP enable
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* Bit 1: Reset (not used in later EPLD versions)
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*/
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if (vpp) {
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epld_write(3, EPLD_FLASH);
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} else {
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epld_write(2, EPLD_FLASH);
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}
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}
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static struct platform_device mb411_physmap_flash = {
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.name = "physmap-flash",
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.id = -1,
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.num_resources = 1,
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.resource = (struct resource[]) {
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STM_PLAT_RESOURCE_MEM(0, 32*1024*1024),
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},
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.dev.platform_data = &(struct physmap_flash_data) {
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.width = 2,
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.set_vpp = mb411_mtd_set_vpp,
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},
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};
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static struct stmmac_mdio_bus_data stmmac_mdio_bus = {
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.bus_id = 0,
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.phy_mask = 0,
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};
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static struct platform_device mb411_epld_device = {
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.name = "epld",
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.id = -1,
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.num_resources = 1,
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.resource = (struct resource[]) {
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{
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.start = EPLD_BASE,
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.end = EPLD_BASE + EPLD_SIZE - 1,
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.flags = IORESOURCE_MEM,
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}
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},
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.dev.platform_data = &(struct plat_epld_data) {
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.opsize = 8,
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},
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};
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/* Unfortunately PDN and SMUTE can't be controlled using
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* default audio EPLD "firmware"...
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* That is why dummy converter is enough. */
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static struct platform_device mb411_snd_ext_dacs = {
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.name = "snd_conv_dummy",
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.id = -1,
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.dev.platform_data = &(struct snd_stm_conv_dummy_info) {
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.group = "External DACs",
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.source_bus_id = "snd_pcm_player.1",
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.channel_from = 0,
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.channel_to = 9,
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.format = SND_STM_FORMAT__LEFT_JUSTIFIED |
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SND_STM_FORMAT__SUBFRAME_32_BITS,
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.oversampling = 256,
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},
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};
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static struct platform_device *mb411_devices[] __initdata = {
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&mb411_epld_device,
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&mb411_smc91x_device,
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&mb411_physmap_flash,
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&mb411_snd_ext_dacs,
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};
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static int __init mb411_device_init(void)
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{
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stx7100_configure_sata();
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stx7100_configure_pwm(&(struct stx7100_pwm_config) {
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.out0_enabled = 1,
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.out1_enabled = 1, });
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stx7100_configure_ssc_i2c(0);
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stx7100_configure_ssc_spi(1, NULL);
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stx7100_configure_ssc_i2c(2);
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stx7100_configure_usb();
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stx7100_configure_lirc(&(struct stx7100_lirc_config) {
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.rx_mode = stx7100_lirc_rx_mode_ir,
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.tx_enabled = 1,
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.tx_od_enabled = 1, });
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stx7100_configure_ethernet(&(struct stx7100_ethernet_config) {
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.mode = stx7100_ethernet_mode_mii,
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.ext_clk = 0,
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.phy_bus = 0,
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.phy_addr = -1,
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.mdio_bus_data = &stmmac_mdio_bus,
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});
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/* Set the EPLD ATAPI register to 1, enabling the IDE interface.*/
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epld_write(1, EPLD_ATAPI);
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stx7100_configure_pata(&(struct stx7100_pata_config) {
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.emi_bank = 3,
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.pc_mode = 1,
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.irq = 8, });
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/* Initialize audio EPLD */
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epld_write(0x1, EPLD_DAC_PNOTS);
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epld_write(0x7, EPLD_DAC_SPMUX);
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return platform_add_devices(mb411_devices,
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ARRAY_SIZE(mb411_devices));
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}
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device_initcall(mb411_device_init);
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static void __iomem *mb411_ioport_map(unsigned long port, unsigned int size)
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{
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/* However picking somewhere safe isn't as easy as you might think.
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* I used to use external ROM, but that can cause problems if you are
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* in the middle of updating Flash. So I'm now using the processor core
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* version register, which is guaranted to be available, and non-writable.
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*/
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return (void __iomem *)CCN_PVR;
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}
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static void __init mb411_init_irq(void)
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{
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unsigned long epldver;
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unsigned long pcbver;
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epld_early_init(&mb411_epld_device);
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epldver = epld_read(EPLD_EPLDVER);
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pcbver = epld_read(EPLD_PCBVER);
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printk("EPLD v%ldr%ld, PCB ver %lX\n",
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epldver >> 4, epldver & 0xf, pcbver);
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/* Set the ILC to route external interrupts to the the INTC */
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/* Outputs 0-3 are the interrupt pins, 4-7 are routed to the INTC */
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ilc_route_external(ILC_EXT_IRQ0, 4, 0);
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ilc_route_external(ILC_EXT_IRQ1, 5, 0);
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ilc_route_external(ILC_EXT_IRQ2, 6, 0);
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/* Route e/net PHY interrupt to SH4 - only for STb7109 */
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#ifdef CONFIG_STMMAC_ETH
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/* Note that we invert the signal - the ste101p is connected
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to the mb411 as active low. The sh4 INTC expects active high */
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ilc_route_external(ILC_EXT_MDINT, 7, 1);
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#else
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ilc_route_external(ILC_EXT_IRQ3, 7, 0);
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#endif
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/* ...where they are handled as normal HARP style (encoded) interrpts */
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harp_init_irq();
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}
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static struct sh_machine_vector mv_mb411 __initmv = {
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.mv_name = "mb411",
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.mv_setup = mb411_setup,
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.mv_nr_irqs = NR_IRQS,
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.mv_init_irq = mb411_init_irq,
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.mv_ioport_map = mb411_ioport_map,
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};
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