2012-07-25 14:17:24 +00:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
|
|
|
|
*
|
2013-01-22 11:59:30 +00:00
|
|
|
* 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
|
2012-07-25 14:17:24 +00:00
|
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
|
|
* option) any later version.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/clk.h>
|
|
|
|
#include <linux/dma-mapping.h>
|
|
|
|
#include <linux/err.h>
|
|
|
|
#include <linux/phy.h>
|
|
|
|
#include <linux/serial_8250.h>
|
|
|
|
#include <linux/stmmac.h>
|
2012-10-08 13:11:17 +00:00
|
|
|
#include <linux/usb/ehci_pdriver.h>
|
2012-07-25 14:17:24 +00:00
|
|
|
#include <asm-generic/sizes.h>
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
#include <cpufreq.h>
|
2012-07-25 14:17:24 +00:00
|
|
|
#include <loongson1.h>
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
/* 8250/16550 compatible UART */
|
2012-07-25 14:17:24 +00:00
|
|
|
#define LS1X_UART(_id) \
|
|
|
|
{ \
|
|
|
|
.mapbase = LS1X_UART ## _id ## _BASE, \
|
|
|
|
.irq = LS1X_UART ## _id ## _IRQ, \
|
|
|
|
.iotype = UPIO_MEM, \
|
2013-01-22 11:59:30 +00:00
|
|
|
.flags = UPF_IOREMAP | UPF_FIXED_TYPE, \
|
2012-07-25 14:17:24 +00:00
|
|
|
.type = PORT_16550A, \
|
|
|
|
}
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
static struct plat_serial8250_port ls1x_serial8250_pdata[] = {
|
2012-07-25 14:17:24 +00:00
|
|
|
LS1X_UART(0),
|
|
|
|
LS1X_UART(1),
|
|
|
|
LS1X_UART(2),
|
|
|
|
LS1X_UART(3),
|
|
|
|
{},
|
|
|
|
};
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
struct platform_device ls1x_uart_pdev = {
|
2012-07-25 14:17:24 +00:00
|
|
|
.name = "serial8250",
|
|
|
|
.id = PLAT8250_DEV_PLATFORM,
|
|
|
|
.dev = {
|
2014-10-10 03:40:01 +00:00
|
|
|
.platform_data = ls1x_serial8250_pdata,
|
2012-07-25 14:17:24 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2012-10-23 05:17:01 +00:00
|
|
|
void __init ls1x_serial_setup(struct platform_device *pdev)
|
2012-07-25 14:17:24 +00:00
|
|
|
{
|
|
|
|
struct clk *clk;
|
|
|
|
struct plat_serial8250_port *p;
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
clk = clk_get(&pdev->dev, pdev->name);
|
|
|
|
if (IS_ERR(clk)) {
|
|
|
|
pr_err("unable to get %s clock, err=%ld",
|
|
|
|
pdev->name, PTR_ERR(clk));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
clk_prepare_enable(clk);
|
2012-07-25 14:17:24 +00:00
|
|
|
|
2012-10-23 05:17:01 +00:00
|
|
|
for (p = pdev->dev.platform_data; p->flags != 0; ++p)
|
2012-07-25 14:17:24 +00:00
|
|
|
p->uartclk = clk_get_rate(clk);
|
|
|
|
}
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
/* CPUFreq */
|
|
|
|
static struct plat_ls1x_cpufreq ls1x_cpufreq_pdata = {
|
|
|
|
.clk_name = "cpu_clk",
|
|
|
|
.osc_clk_name = "osc_33m_clk",
|
|
|
|
.max_freq = 266 * 1000,
|
|
|
|
.min_freq = 33 * 1000,
|
|
|
|
};
|
|
|
|
|
|
|
|
struct platform_device ls1x_cpufreq_pdev = {
|
|
|
|
.name = "ls1x-cpufreq",
|
|
|
|
.dev = {
|
|
|
|
.platform_data = &ls1x_cpufreq_pdata,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2012-07-25 14:17:24 +00:00
|
|
|
/* Synopsys Ethernet GMAC */
|
2014-10-10 03:40:01 +00:00
|
|
|
static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
|
|
|
|
.phy_mask = 0,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct stmmac_dma_cfg ls1x_eth_dma_cfg = {
|
|
|
|
.pbl = 1,
|
|
|
|
};
|
|
|
|
|
|
|
|
int ls1x_eth_mux_init(struct platform_device *pdev, void *priv)
|
|
|
|
{
|
|
|
|
struct plat_stmmacenet_data *plat_dat = NULL;
|
|
|
|
u32 val;
|
|
|
|
|
|
|
|
val = __raw_readl(LS1X_MUX_CTRL1);
|
|
|
|
|
|
|
|
plat_dat = dev_get_platdata(&pdev->dev);
|
|
|
|
if (plat_dat->bus_id) {
|
|
|
|
__raw_writel(__raw_readl(LS1X_MUX_CTRL0) | GMAC1_USE_UART1 |
|
|
|
|
GMAC1_USE_UART0, LS1X_MUX_CTRL0);
|
|
|
|
switch (plat_dat->interface) {
|
|
|
|
case PHY_INTERFACE_MODE_RGMII:
|
|
|
|
val &= ~(GMAC1_USE_TXCLK | GMAC1_USE_PWM23);
|
|
|
|
break;
|
|
|
|
case PHY_INTERFACE_MODE_MII:
|
|
|
|
val |= (GMAC1_USE_TXCLK | GMAC1_USE_PWM23);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
pr_err("unsupported mii mode %d\n",
|
|
|
|
plat_dat->interface);
|
|
|
|
return -ENOTSUPP;
|
|
|
|
}
|
|
|
|
val &= ~GMAC1_SHUT;
|
|
|
|
} else {
|
|
|
|
switch (plat_dat->interface) {
|
|
|
|
case PHY_INTERFACE_MODE_RGMII:
|
|
|
|
val &= ~(GMAC0_USE_TXCLK | GMAC0_USE_PWM01);
|
|
|
|
break;
|
|
|
|
case PHY_INTERFACE_MODE_MII:
|
|
|
|
val |= (GMAC0_USE_TXCLK | GMAC0_USE_PWM01);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
pr_err("unsupported mii mode %d\n",
|
|
|
|
plat_dat->interface);
|
|
|
|
return -ENOTSUPP;
|
|
|
|
}
|
|
|
|
val &= ~GMAC0_SHUT;
|
|
|
|
}
|
|
|
|
__raw_writel(val, LS1X_MUX_CTRL1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct plat_stmmacenet_data ls1x_eth0_pdata = {
|
|
|
|
.bus_id = 0,
|
|
|
|
.phy_addr = -1,
|
|
|
|
.interface = PHY_INTERFACE_MODE_MII,
|
|
|
|
.mdio_bus_data = &ls1x_mdio_bus_data,
|
|
|
|
.dma_cfg = &ls1x_eth_dma_cfg,
|
|
|
|
.has_gmac = 1,
|
|
|
|
.tx_coe = 1,
|
|
|
|
.init = ls1x_eth_mux_init,
|
|
|
|
};
|
|
|
|
|
2012-07-25 14:17:24 +00:00
|
|
|
static struct resource ls1x_eth0_resources[] = {
|
|
|
|
[0] = {
|
|
|
|
.start = LS1X_GMAC0_BASE,
|
|
|
|
.end = LS1X_GMAC0_BASE + SZ_64K - 1,
|
|
|
|
.flags = IORESOURCE_MEM,
|
|
|
|
},
|
|
|
|
[1] = {
|
|
|
|
.name = "macirq",
|
|
|
|
.start = LS1X_GMAC0_IRQ,
|
|
|
|
.flags = IORESOURCE_IRQ,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
struct platform_device ls1x_eth0_pdev = {
|
|
|
|
.name = "stmmaceth",
|
|
|
|
.id = 0,
|
|
|
|
.num_resources = ARRAY_SIZE(ls1x_eth0_resources),
|
|
|
|
.resource = ls1x_eth0_resources,
|
|
|
|
.dev = {
|
|
|
|
.platform_data = &ls1x_eth0_pdata,
|
|
|
|
},
|
2012-07-25 14:17:24 +00:00
|
|
|
};
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
static struct plat_stmmacenet_data ls1x_eth1_pdata = {
|
|
|
|
.bus_id = 1,
|
2012-07-25 14:17:24 +00:00
|
|
|
.phy_addr = -1,
|
2014-10-10 03:40:01 +00:00
|
|
|
.interface = PHY_INTERFACE_MODE_MII,
|
2012-07-25 14:17:24 +00:00
|
|
|
.mdio_bus_data = &ls1x_mdio_bus_data,
|
2014-10-10 03:40:01 +00:00
|
|
|
.dma_cfg = &ls1x_eth_dma_cfg,
|
2012-07-25 14:17:24 +00:00
|
|
|
.has_gmac = 1,
|
|
|
|
.tx_coe = 1,
|
2014-10-10 03:40:01 +00:00
|
|
|
.init = ls1x_eth_mux_init,
|
2012-07-25 14:17:24 +00:00
|
|
|
};
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
static struct resource ls1x_eth1_resources[] = {
|
|
|
|
[0] = {
|
|
|
|
.start = LS1X_GMAC1_BASE,
|
|
|
|
.end = LS1X_GMAC1_BASE + SZ_64K - 1,
|
|
|
|
.flags = IORESOURCE_MEM,
|
|
|
|
},
|
|
|
|
[1] = {
|
|
|
|
.name = "macirq",
|
|
|
|
.start = LS1X_GMAC1_IRQ,
|
|
|
|
.flags = IORESOURCE_IRQ,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
struct platform_device ls1x_eth1_pdev = {
|
2012-07-25 14:17:24 +00:00
|
|
|
.name = "stmmaceth",
|
2014-10-10 03:40:01 +00:00
|
|
|
.id = 1,
|
|
|
|
.num_resources = ARRAY_SIZE(ls1x_eth1_resources),
|
|
|
|
.resource = ls1x_eth1_resources,
|
2012-07-25 14:17:24 +00:00
|
|
|
.dev = {
|
2014-10-10 03:40:01 +00:00
|
|
|
.platform_data = &ls1x_eth1_pdata,
|
2012-07-25 14:17:24 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* USB EHCI */
|
|
|
|
static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32);
|
|
|
|
|
|
|
|
static struct resource ls1x_ehci_resources[] = {
|
|
|
|
[0] = {
|
|
|
|
.start = LS1X_EHCI_BASE,
|
|
|
|
.end = LS1X_EHCI_BASE + SZ_32K - 1,
|
|
|
|
.flags = IORESOURCE_MEM,
|
|
|
|
},
|
|
|
|
[1] = {
|
|
|
|
.start = LS1X_EHCI_IRQ,
|
|
|
|
.flags = IORESOURCE_IRQ,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2012-10-08 13:11:17 +00:00
|
|
|
static struct usb_ehci_pdata ls1x_ehci_pdata = {
|
|
|
|
};
|
|
|
|
|
2014-10-10 03:40:01 +00:00
|
|
|
struct platform_device ls1x_ehci_pdev = {
|
2012-10-08 13:11:17 +00:00
|
|
|
.name = "ehci-platform",
|
2012-07-25 14:17:24 +00:00
|
|
|
.id = -1,
|
|
|
|
.num_resources = ARRAY_SIZE(ls1x_ehci_resources),
|
|
|
|
.resource = ls1x_ehci_resources,
|
|
|
|
.dev = {
|
|
|
|
.dma_mask = &ls1x_ehci_dmamask,
|
2012-10-08 13:11:17 +00:00
|
|
|
.platform_data = &ls1x_ehci_pdata,
|
2012-07-25 14:17:24 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Real Time Clock */
|
2014-10-10 03:40:01 +00:00
|
|
|
struct platform_device ls1x_rtc_pdev = {
|
2012-07-25 14:17:24 +00:00
|
|
|
.name = "ls1x-rtc",
|
|
|
|
.id = -1,
|
|
|
|
};
|