diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1550')
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1550/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1550/board_setup.c | 49 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1550/platform.c | 69 |
3 files changed, 94 insertions, 26 deletions
diff --git a/arch/mips/alchemy/devboards/pb1550/Makefile b/arch/mips/alchemy/devboards/pb1550/Makefile index cff95bcdb2ca..9661b6ec5dd3 100644 --- a/arch/mips/alchemy/devboards/pb1550/Makefile +++ b/arch/mips/alchemy/devboards/pb1550/Makefile @@ -5,4 +5,4 @@ # Makefile for the Alchemy Semiconductor Pb1550 board. # -obj-y := board_setup.o +obj-y := board_setup.o platform.o diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c index b6e9e7d247a3..1e8fb3ddd726 100644 --- a/arch/mips/alchemy/devboards/pb1550/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c @@ -32,18 +32,15 @@ #include <asm/mach-au1x00/au1000.h> #include <asm/mach-pb1x00/pb1550.h> +#include <asm/mach-db1x00/bcsr.h> +#include <asm/mach-au1x00/gpio.h> #include <prom.h> char irq_tab_alchemy[][5] __initdata = { - [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */ - [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */ -}; - -struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_0, IRQF_TRIGGER_LOW, 0 }, - { AU1000_GPIO_1, IRQF_TRIGGER_LOW, 0 }, + [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) */ }; const char *get_system_type(void) @@ -53,28 +50,17 @@ const char *get_system_type(void) void board_reset(void) { - /* Hit BCSR.SYSTEM[RESET] */ - au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C); -} - -void __init board_init_irq(void) -{ - au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); + bcsr_write(BCSR_SYSTEM, 0); } void __init board_setup(void) { u32 pin_func; -#ifdef CONFIG_SERIAL_8250_CONSOLE - char *argptr; - argptr = prom_getcmdline(); - argptr = strstr(argptr, "console="); - if (argptr == NULL) { - argptr = prom_getcmdline(); - strcat(argptr, " console=ttyS0,115200"); - } -#endif + bcsr_init(PB1550_BCSR_PHYS_ADDR, + PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS); + + alchemy_gpio2_enable(); /* * Enable PSC1 SYNC for AC'97. Normaly done in audio driver, @@ -85,8 +71,21 @@ void __init board_setup(void) pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; au_writel(pin_func, SYS_PINFUNC); - au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */ - au_sync(); + bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */ printk(KERN_INFO "AMD Alchemy Pb1550 Board\n"); } + +static int __init pb1550_init_irq(void) +{ + set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW); + set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW); + set_irq_type(AU1550_GPIO201_205_INT, IRQF_TRIGGER_HIGH); + + /* enable both PCMCIA card irqs in the shared line */ + alchemy_gpio2_enable_int(201); + alchemy_gpio2_enable_int(202); + + return 0; +} +arch_initcall(pb1550_init_irq); diff --git a/arch/mips/alchemy/devboards/pb1550/platform.c b/arch/mips/alchemy/devboards/pb1550/platform.c new file mode 100644 index 000000000000..d7150d0f49c0 --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1550/platform.c @@ -0,0 +1,69 @@ +/* + * Pb1550 board platform device registration + * + * Copyright (C) 2009 Manuel Lauss + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/init.h> + +#include <asm/mach-au1x00/au1000.h> +#include <asm/mach-pb1x00/pb1550.h> +#include <asm/mach-db1x00/bcsr.h> + +#include "../platform.h" + +static int __init pb1550_dev_init(void) +{ + int swapped; + + /* Pb1550, like all others, also has statuschange irqs; however they're + * wired up on one of the Au1550's shared GPIO201_205 line, which also + * services the PCMCIA card interrupts. So we ignore statuschange and + * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia + * drivers are used to shared irqs and b) statuschange isn't really use- + * ful anyway. + */ + db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR, + PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1, + PCMCIA_MEM_PHYS_ADDR, + PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, + PCMCIA_IO_PHYS_ADDR, + PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, + AU1550_GPIO201_205_INT, + AU1550_GPIO0_INT, + 0, + 0, + 0); + + db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000, + PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1, + PCMCIA_MEM_PHYS_ADDR + 0x008000000, + PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1, + PCMCIA_IO_PHYS_ADDR + 0x008000000, + PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1, + AU1550_GPIO201_205_INT, + AU1550_GPIO1_INT, + 0, + 0, + 1); + + swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT; + db1x_register_norflash(128 * 1024 * 1024, 4, swapped); + + return 0; +} +device_initcall(pb1550_dev_init); |