125 строки
2.6 KiB
C
125 строки
2.6 KiB
C
/*
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* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/clk.h>
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#include <linux/dma-mapping.h>
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#include <linux/err.h>
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#include <linux/phy.h>
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#include <linux/serial_8250.h>
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#include <linux/stmmac.h>
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#include <asm-generic/sizes.h>
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#include <loongson1.h>
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#define LS1X_UART(_id) \
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{ \
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.mapbase = LS1X_UART ## _id ## _BASE, \
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.irq = LS1X_UART ## _id ## _IRQ, \
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.iotype = UPIO_MEM, \
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.flags = UPF_IOREMAP | UPF_FIXED_TYPE, \
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.type = PORT_16550A, \
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}
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static struct plat_serial8250_port ls1x_serial8250_port[] = {
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LS1X_UART(0),
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LS1X_UART(1),
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LS1X_UART(2),
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LS1X_UART(3),
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{},
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};
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struct platform_device ls1x_uart_device = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM,
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.dev = {
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.platform_data = ls1x_serial8250_port,
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},
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};
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void __init ls1x_serial_setup(void)
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{
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struct clk *clk;
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struct plat_serial8250_port *p;
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clk = clk_get(NULL, "dc");
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if (IS_ERR(clk))
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panic("unable to get dc clock, err=%ld", PTR_ERR(clk));
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for (p = ls1x_serial8250_port; p->flags != 0; ++p)
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p->uartclk = clk_get_rate(clk);
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}
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/* Synopsys Ethernet GMAC */
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static struct resource ls1x_eth0_resources[] = {
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[0] = {
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.start = LS1X_GMAC0_BASE,
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.end = LS1X_GMAC0_BASE + SZ_64K - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.name = "macirq",
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.start = LS1X_GMAC0_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
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.bus_id = 0,
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.phy_mask = 0,
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};
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static struct plat_stmmacenet_data ls1x_eth_data = {
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.bus_id = 0,
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.phy_addr = -1,
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.mdio_bus_data = &ls1x_mdio_bus_data,
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.has_gmac = 1,
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.tx_coe = 1,
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};
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struct platform_device ls1x_eth0_device = {
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.name = "stmmaceth",
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.id = 0,
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.num_resources = ARRAY_SIZE(ls1x_eth0_resources),
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.resource = ls1x_eth0_resources,
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.dev = {
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.platform_data = &ls1x_eth_data,
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},
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};
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/* USB EHCI */
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static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32);
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static struct resource ls1x_ehci_resources[] = {
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[0] = {
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.start = LS1X_EHCI_BASE,
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.end = LS1X_EHCI_BASE + SZ_32K - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = LS1X_EHCI_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device ls1x_ehci_device = {
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.name = "ls1x-ehci",
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.id = -1,
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.num_resources = ARRAY_SIZE(ls1x_ehci_resources),
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.resource = ls1x_ehci_resources,
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.dev = {
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.dma_mask = &ls1x_ehci_dmamask,
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},
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};
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/* Real Time Clock */
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struct platform_device ls1x_rtc_device = {
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.name = "ls1x-rtc",
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.id = -1,
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};
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