- 根目录:
- arch
- mips
- alchemy
- devboards
- db1x00
- board_setup.c
/*
*
* BRIEF MODULE DESCRIPTION
* Alchemy Db1x00 board setup.
*
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pm.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_eth.h>
#include <asm/mach-db1x00/db1x00.h>
#include <asm/mach-db1x00/bcsr.h>
#include <asm/reboot.h>
#include <prom.h>
#ifdef CONFIG_MIPS_DB1500
char irq_tab_alchemy[][5] __initdata = {
[12] = { -1, AU1500_PCI_INTA, 0xff, 0xff, 0xff }, /* IDSEL 12 - HPT371 */
[13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, AU1500_PCI_INTC, AU1500_PCI_INTD }, /* IDSEL 13 - PCI slot */
};
#endif
#ifdef CONFIG_MIPS_DB1550
char irq_tab_alchemy[][5] __initdata = {
[11] = { -1, AU1550_PCI_INTC, 0xff, 0xff, 0xff }, /* IDSEL 11 - on-board HPT371 */
[12] = { -1, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD, AU1550_PCI_INTA }, /* IDSEL 12 - PCI slot 2 (left) */
[13] = { -1, AU1550_PCI_INTA, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD }, /* IDSEL 13 - PCI slot 1 (right) */
};
#endif
#ifdef CONFIG_MIPS_BOSPORUS
char irq_tab_alchemy[][5] __initdata = {
[11] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 11 - miniPCI */
[12] = { -1, AU1500_PCI_INTA, 0xff, 0xff, 0xff }, /* IDSEL 12 - SN1741 */
[13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, AU1500_PCI_INTC, AU1500_PCI_INTD }, /* IDSEL 13 - PCI slot */
};
/*
* Micrel/Kendin 5 port switch attached to MAC0,
* MAC0 is associated with PHY address 5 (== WAN port)
* MAC1 is not associated with any PHY, since it's connected directly
* to the switch.
* no interrupts are used
*/
static struct au1000_eth_platform_data eth0_pdata = {
.phy_static_config = 1,
.phy_addr = 5,
};
static void bosporus_power_off(void)
{
while (1)
asm volatile (".set mips3 ; wait ; .set mips0");
}
const char *get_system_type(void)
{
return "Alchemy Bosporus Gateway Reference";
}
#endif
#ifdef CONFIG_MIPS_MIRAGE
char irq_tab_alchemy[][5] __initdata = {
[11] = { -1, AU1500_PCI_INTD, 0xff, 0xff, 0xff }, /* IDSEL 11 - SMI VGX */
[12] = { -1, 0xff, 0xff, AU1500_PCI_INTC, 0xff }, /* IDSEL 12 - PNX1300 */
[13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 13 - miniPCI */
};
static void mirage_power_off(void)
{
alchemy_gpio_direction_output(210, 1);
}
const char *get_system_type(void)
{
return "Alchemy Mirage";
}
#endif
#if defined(CONFIG_MIPS_BOSPORUS) || defined(CONFIG_MIPS_MIRAGE)
static void mips_softreset(void)
{
asm volatile ("jr\t%0" : : "r"(0xbfc00000));
}
#else
const char *get_system_type(void)
{
return "Alchemy Db1x00";
}
#endif
void __init board_setup(void)
{
unsigned long bcsr1, bcsr2;
bcsr1 = DB1000_BCSR_PHYS_ADDR;
bcsr2 = DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS;
#ifdef CONFIG_MIPS_DB1000
printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1500
printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1100
printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
#endif
#ifdef CONFIG_MIPS_BOSPORUS
au1xxx_override_eth_cfg(0, ð0_pdata);
printk(KERN_INFO "AMD Alchemy Bosporus Board\n");
#endif
#ifdef CONFIG_MIPS_MIRAGE
printk(KERN_INFO "AMD Alchemy Mirage Board\n");
#endif
#ifdef CONFIG_MIPS_DB1550
printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n");
bcsr1 = DB1550_BCSR_PHYS_ADDR;
bcsr2 = DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS;
#endif
/* initialize board register space */
bcsr_init(bcsr1, bcsr2);
/* Not valid for Au1550 */
#if defined(CONFIG_IRDA) && \
(defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
{
u32 pin_func;
/* Set IRFIRSEL instead of GPIO15 */
pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;
au_writel(pin_func, SYS_PINFUNC);
/* Power off until the driver is in use */
bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK,
BCSR_RESETS_IRDA_MODE_OFF);
}
#endif
bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */
/* Enable GPIO[31:0] inputs */
alchemy_gpio1_input_enable();
#ifdef CONFIG_MIPS_MIRAGE
{
u32 pin_func;
/* GPIO[20] is output */
alchemy_gpio_direction_output(20, 0);
/* Set GPIO[210:208] instead of SSI_0 */
pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
/* Set GPIO[215:211] for LEDs */
pin_func |= 5 << 2;
/* Set GPIO[214:213] for more LEDs */
pin_func |= 5 << 12;
/* Set GPIO[207:200] instead of PCMCIA/LCD */
pin_func |= SYS_PF_LCD | SYS_PF_PC;
au_writel(pin_func, SYS_PINFUNC);
/*
* Enable speaker amplifier. This should
* be part of the audio driver.
*/
alchemy_gpio_direction_output(209, 1);
pm_power_off = mirage_power_off;
_machine_halt = mirage_power_off;
_machine_restart = (void(*)(char *))mips_softreset;
}
#endif
#ifdef CONFIG_MIPS_BOSPORUS
pm_power_off = bosporus_power_off;
_machine_halt = bosporus_power_off;
_machine_restart = (void(*)(char *))mips_softreset;
#endif
au_sync();
}
static int __init db1x00_init_irq(void)
{
#if defined(CONFIG_MIPS_MIRAGE)
irq_set_irq_type(AU1500_GPIO7_INT, IRQF_TRIGGER_RISING); /* TS pendown */
#elif defined(CONFIG_MIPS_DB1550)
irq_set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
irq_set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW); /* CD1# */
irq_set_irq_type(AU1550_GPIO3_INT, IRQF_TRIGGER_LOW); /* CARD0# */
irq_set_irq_type(AU1550_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
irq_set_irq_type(AU1550_GPIO21_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
irq_set_irq_type(AU1550_GPIO22_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
#elif defined(CONFIG_MIPS_DB1500)
irq_set_irq_type(AU1500_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
irq_set_irq_type(AU1500_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
irq_set_irq_type(AU1500_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
irq_set_irq_type(AU1500_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
irq_set_irq_type(AU1500_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
irq_set_irq_type(AU1500_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
#elif defined(CONFIG_MIPS_DB1100)
irq_set_irq_type(AU1100_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
irq_set_irq_type(AU1100_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
irq_set_irq_type(AU1100_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
irq_set_irq_type(AU1100_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
irq_set_irq_type(AU1100_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
irq_set_irq_type(AU1100_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
#elif defined(CONFIG_MIPS_DB1000)
irq_set_irq_type(AU1000_GPIO0_INT, IRQF_TRIGGER_LOW); /* CD0# */
irq_set_irq_type(AU1000_GPIO3_INT, IRQF_TRIGGER_LOW); /* CD1# */
irq_set_irq_type(AU1000_GPIO2_INT, IRQF_TRIGGER_LOW); /* CARD0# */
irq_set_irq_type(AU1000_GPIO5_INT, IRQF_TRIGGER_LOW); /* CARD1# */
irq_set_irq_type(AU1000_GPIO1_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */
irq_set_irq_type(AU1000_GPIO4_INT, IRQF_TRIGGER_LOW); /* STSCHG1# */
#endif
return 0;
}
arch_initcall(db1x00_init_irq);