diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1200')
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/board_setup.c | 96 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/irqmap.c | 134 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/platform.c | 63 |
4 files changed, 102 insertions, 193 deletions
diff --git a/arch/mips/alchemy/devboards/pb1200/Makefile b/arch/mips/alchemy/devboards/pb1200/Makefile index c8c3a99..2ea9b02 100644 --- a/arch/mips/alchemy/devboards/pb1200/Makefile +++ b/arch/mips/alchemy/devboards/pb1200/Makefile @@ -2,6 +2,6 @@ # Makefile for the Alchemy Semiconductor Pb1200/DBAu1200 boards. # -obj-y := board_setup.o irqmap.o platform.o +obj-y := board_setup.o platform.o EXTRA_CFLAGS += -Werror diff --git a/arch/mips/alchemy/devboards/pb1200/board_setup.c b/arch/mips/alchemy/devboards/pb1200/board_setup.c index 94e6b7e..3184063 100644 --- a/arch/mips/alchemy/devboards/pb1200/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1200/board_setup.c @@ -25,11 +25,23 @@ */ #include <linux/init.h> +#include <linux/interrupt.h> #include <linux/sched.h> -#include <prom.h> -#include <au1xxx.h> +#include <asm/mach-au1x00/au1000.h> +#include <asm/mach-db1x00/bcsr.h> + +#ifdef CONFIG_MIPS_PB1200 +#include <asm/mach-pb1x00/pb1200.h> +#endif + +#ifdef CONFIG_MIPS_DB1200 +#include <asm/mach-db1x00/db1200.h> +#define PB1200_INT_BEGIN DB1200_INT_BEGIN +#define PB1200_INT_END DB1200_INT_END +#endif +#include <prom.h> const char *get_system_type(void) { @@ -38,25 +50,15 @@ const char *get_system_type(void) void board_reset(void) { - bcsr->resets = 0; - bcsr->system = 0; + bcsr_write(BCSR_RESETS, 0); + bcsr_write(BCSR_SYSTEM, 0); } void __init board_setup(void) { - char *argptr; - - argptr = prom_getcmdline(); -#ifdef CONFIG_SERIAL_8250_CONSOLE - argptr = strstr(argptr, "console="); - if (argptr == NULL) { - argptr = prom_getcmdline(); - strcat(argptr, " console=ttyS0,115200"); - } -#endif -#ifdef CONFIG_FB_AU1200 - strcat(argptr, " video=au1200fb:panel:bs"); -#endif + printk(KERN_INFO "AMD Alchemy Pb1200 Board\n"); + bcsr_init(PB1200_BCSR_PHYS_ADDR, + PB1200_BCSR_PHYS_ADDR + PB1200_BCSR_HEXLED_OFS); #if 0 { @@ -82,7 +84,7 @@ void __init board_setup(void) u32 pin_func; /* Select SMBus in CPLD */ - bcsr->resets &= ~BCSR_RESETS_PCS0MUX; + bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0); pin_func = au_readl(SYS_PINFUNC); au_sync(); @@ -116,38 +118,54 @@ void __init board_setup(void) /* * The Pb1200 development board uses external MUX for PSC0 to - * support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI + * support SMB/SPI. bcsr_resets bit 12: 0=SMB 1=SPI */ #ifdef CONFIG_I2C_AU1550 - bcsr->resets &= ~BCSR_RESETS_PCS0MUX; + bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0); #endif au_sync(); +} -#ifdef CONFIG_MIPS_PB1200 - printk(KERN_INFO "AMD Alchemy Pb1200 Board\n"); -#endif -#ifdef CONFIG_MIPS_DB1200 - printk(KERN_INFO "AMD Alchemy Db1200 Board\n"); -#endif +static int __init pb1200_init_irq(void) +{ + /* We have a problem with CPLD rev 3. */ + if (BCSR_WHOAMI_CPLD(bcsr_read(BCSR_WHOAMI)) <= 3) { + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n"); + printk(KERN_ERR "updated to latest revision. This software will\n"); + printk(KERN_ERR "not work on anything less than CPLD rev 4.\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + panic("Game over. Your score is 0."); + } + + set_irq_type(AU1200_GPIO7_INT, IRQF_TRIGGER_LOW); + bcsr_init_irq(PB1200_INT_BEGIN, PB1200_INT_END, AU1200_GPIO7_INT); + + return 0; } +arch_initcall(pb1200_init_irq); + int board_au1200fb_panel(void) { - BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; - int p; - - p = bcsr->switches; - p >>= 8; - p &= 0x0F; - return p; + return (bcsr_read(BCSR_SWITCHES) >> 8) & 0x0f; } int board_au1200fb_panel_init(void) { /* Apply power */ - BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; - - bcsr->board |= BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL; + bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | + BCSR_BOARD_LCDBL); /* printk(KERN_DEBUG "board_au1200fb_panel_init()\n"); */ return 0; } @@ -155,10 +173,8 @@ int board_au1200fb_panel_init(void) int board_au1200fb_panel_shutdown(void) { /* Remove power */ - BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; - - bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | - BCSR_BOARD_LCDBL); + bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | + BCSR_BOARD_LCDBL, 0); /* printk(KERN_DEBUG "board_au1200fb_panel_shutdown()\n"); */ return 0; } diff --git a/arch/mips/alchemy/devboards/pb1200/irqmap.c b/arch/mips/alchemy/devboards/pb1200/irqmap.c deleted file mode 100644 index fe47498..0000000 --- a/arch/mips/alchemy/devboards/pb1200/irqmap.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * Au1xxx irq map table - * - * 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/init.h> -#include <linux/interrupt.h> - -#include <asm/mach-au1x00/au1000.h> - -#ifdef CONFIG_MIPS_PB1200 -#include <asm/mach-pb1x00/pb1200.h> -#endif - -#ifdef CONFIG_MIPS_DB1200 -#include <asm/mach-db1x00/db1200.h> -#define PB1200_INT_BEGIN DB1200_INT_BEGIN -#define PB1200_INT_END DB1200_INT_END -#endif - -struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - /* This is external interrupt cascade */ - { AU1000_GPIO_7, IRQF_TRIGGER_LOW, 0 }, -}; - - -/* - * Support for External interrupts on the Pb1200 Development platform. - */ - -static void pb1200_cascade_handler(unsigned int irq, struct irq_desc *d) -{ - unsigned short bisr = bcsr->int_status; - - for ( ; bisr; bisr &= bisr - 1) - generic_handle_irq(PB1200_INT_BEGIN + __ffs(bisr)); -} - -/* NOTE: both the enable and mask bits must be cleared, otherwise the - * CPLD generates tons of spurious interrupts (at least on the DB1200). - */ -static void pb1200_mask_irq(unsigned int irq_nr) -{ - bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN); - bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN); - au_sync(); -} - -static void pb1200_maskack_irq(unsigned int irq_nr) -{ - bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN); - bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN); - bcsr->int_status = 1 << (irq_nr - PB1200_INT_BEGIN); /* ack */ - au_sync(); -} - -static void pb1200_unmask_irq(unsigned int irq_nr) -{ - bcsr->intset = 1 << (irq_nr - PB1200_INT_BEGIN); - bcsr->intset_mask = 1 << (irq_nr - PB1200_INT_BEGIN); - au_sync(); -} - -static struct irq_chip pb1200_cpld_irq_type = { -#ifdef CONFIG_MIPS_PB1200 - .name = "Pb1200 Ext", -#endif -#ifdef CONFIG_MIPS_DB1200 - .name = "Db1200 Ext", -#endif - .mask = pb1200_mask_irq, - .mask_ack = pb1200_maskack_irq, - .unmask = pb1200_unmask_irq, -}; - -void __init board_init_irq(void) -{ - unsigned int irq; - - au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); - -#ifdef CONFIG_MIPS_PB1200 - /* We have a problem with CPLD rev 3. */ - if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) { - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n"); - printk(KERN_ERR "updated to latest revision. This software will\n"); - printk(KERN_ERR "not work on anything less than CPLD rev 4.\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - printk(KERN_ERR "WARNING!!!\n"); - panic("Game over. Your score is 0."); - } -#endif - /* mask & disable & ack all */ - bcsr->intclr_mask = 0xffff; - bcsr->intclr = 0xffff; - bcsr->int_status = 0xffff; - au_sync(); - - for (irq = PB1200_INT_BEGIN; irq <= PB1200_INT_END; irq++) - set_irq_chip_and_handler_name(irq, &pb1200_cpld_irq_type, - handle_level_irq, "level"); - - set_irq_chained_handler(AU1000_GPIO_7, pb1200_cascade_handler); -} diff --git a/arch/mips/alchemy/devboards/pb1200/platform.c b/arch/mips/alchemy/devboards/pb1200/platform.c index b93dff4..3ef2dce 100644 --- a/arch/mips/alchemy/devboards/pb1200/platform.c +++ b/arch/mips/alchemy/devboards/pb1200/platform.c @@ -26,27 +26,30 @@ #include <asm/mach-au1x00/au1xxx.h> #include <asm/mach-au1x00/au1100_mmc.h> +#include <asm/mach-db1x00/bcsr.h> + +#include "../platform.h" static int mmc_activity; static void pb1200mmc0_set_power(void *mmc_host, int state) { if (state) - bcsr->board |= BCSR_BOARD_SD0PWR; + bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR); else - bcsr->board &= ~BCSR_BOARD_SD0PWR; + bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0); - au_sync_delay(1); + msleep(1); } static int pb1200mmc0_card_readonly(void *mmc_host) { - return (bcsr->status & BCSR_STATUS_SD0WP) ? 1 : 0; + return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0; } static int pb1200mmc0_card_inserted(void *mmc_host) { - return (bcsr->sig_status & BCSR_INT_SD0INSERT) ? 1 : 0; + return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0; } static void pb1200_mmcled_set(struct led_classdev *led, @@ -54,10 +57,10 @@ static void pb1200_mmcled_set(struct led_classdev *led, { if (brightness != LED_OFF) { if (++mmc_activity == 1) - bcsr->disk_leds &= ~(1 << 8); + bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0); } else { if (--mmc_activity == 0) - bcsr->disk_leds |= (1 << 8); + bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0); } } @@ -65,27 +68,25 @@ static struct led_classdev pb1200mmc_led = { .brightness_set = pb1200_mmcled_set, }; -#ifndef CONFIG_MIPS_DB1200 static void pb1200mmc1_set_power(void *mmc_host, int state) { if (state) - bcsr->board |= BCSR_BOARD_SD1PWR; + bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR); else - bcsr->board &= ~BCSR_BOARD_SD1PWR; + bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0); - au_sync_delay(1); + msleep(1); } static int pb1200mmc1_card_readonly(void *mmc_host) { - return (bcsr->status & BCSR_STATUS_SD1WP) ? 1 : 0; + return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0; } static int pb1200mmc1_card_inserted(void *mmc_host) { - return (bcsr->sig_status & BCSR_INT_SD1INSERT) ? 1 : 0; + return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0; } -#endif const struct au1xmmc_platform_data au1xmmc_platdata[2] = { [0] = { @@ -95,7 +96,6 @@ const struct au1xmmc_platform_data au1xmmc_platdata[2] = { .cd_setup = NULL, /* use poll-timer in driver */ .led = &pb1200mmc_led, }, -#ifndef CONFIG_MIPS_DB1200 [1] = { .set_power = pb1200mmc1_set_power, .card_inserted = pb1200mmc1_card_inserted, @@ -103,7 +103,6 @@ const struct au1xmmc_platform_data au1xmmc_platdata[2] = { .cd_setup = NULL, /* use poll-timer in driver */ .led = &pb1200mmc_led, }, -#endif }; static struct resource ide_resources[] = { @@ -169,8 +168,36 @@ static struct platform_device *board_platform_devices[] __initdata = { static int __init board_register_devices(void) { + int swapped; + + 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, + PB1200_PC0_INT, + PB1200_PC0_INSERT_INT, + /*PB1200_PC0_STSCHG_INT*/0, + PB1200_PC0_EJECT_INT, + 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, + PB1200_PC1_INT, + PB1200_PC1_INSERT_INT, + /*PB1200_PC1_STSCHG_INT*/0, + PB1200_PC1_EJECT_INT, + 1); + + swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT; + db1x_register_norflash(128 * 1024 * 1024, 2, swapped); + return platform_add_devices(board_platform_devices, ARRAY_SIZE(board_platform_devices)); } - -arch_initcall(board_register_devices); +device_initcall(board_register_devices); |