From 9bdcf336d0c061e77f4c45c7b2bc32e3ed6b57e3 Mon Sep 17 00:00:00 2001 From: Manuel Lauss Date: Sun, 4 Oct 2009 14:55:24 +0200 Subject: [PATCH] MIPS: Alchemy: devboard register abstraction All Alchemy development boards have external CPLDs with a few registers in them. They all share an identical register layout with only a few minor differences (except the PB1000) in bit functions and base addresses. This patch - adds a primitive facility to initialize and use these external registers, - replaces all occurrences of bcsr->xxx accesses with calls to the new functions (the pb1200 cascade irq handling code is special). - collects BCSR register information scattered throughout the board headers in a central place. Signed-off-by: Manuel Lauss Signed-off-by: Ralf Baechle --- arch/mips/alchemy/devboards/Makefile | 2 +- arch/mips/alchemy/devboards/bcsr.c | 76 ++++++ .../alchemy/devboards/db1x00/board_setup.c | 62 ++--- .../alchemy/devboards/pb1100/board_setup.c | 7 +- .../alchemy/devboards/pb1200/board_setup.c | 49 ++-- arch/mips/alchemy/devboards/pb1200/irqmap.c | 42 ++-- arch/mips/alchemy/devboards/pb1200/platform.c | 25 +- .../alchemy/devboards/pb1500/board_setup.c | 7 +- .../alchemy/devboards/pb1550/board_setup.c | 11 +- arch/mips/include/asm/mach-db1x00/bcsr.h | 235 ++++++++++++++++++ arch/mips/include/asm/mach-db1x00/db1200.h | 109 +------- arch/mips/include/asm/mach-db1x00/db1x00.h | 92 ------- arch/mips/include/asm/mach-pb1x00/pb1100.h | 49 ---- arch/mips/include/asm/mach-pb1x00/pb1200.h | 109 +------- arch/mips/include/asm/mach-pb1x00/pb1500.h | 13 - arch/mips/include/asm/mach-pb1x00/pb1550.h | 89 ------- drivers/mtd/nand/au1550nd.c | 4 +- drivers/net/irda/au1k_ir.c | 14 +- drivers/pcmcia/au1000_db1x00.c | 76 +++--- 19 files changed, 475 insertions(+), 596 deletions(-) create mode 100644 arch/mips/alchemy/devboards/bcsr.c create mode 100644 arch/mips/include/asm/mach-db1x00/bcsr.h diff --git a/arch/mips/alchemy/devboards/Makefile b/arch/mips/alchemy/devboards/Makefile index 730f9f2b30e8..adc6717d7688 100644 --- a/arch/mips/alchemy/devboards/Makefile +++ b/arch/mips/alchemy/devboards/Makefile @@ -2,7 +2,7 @@ # Alchemy Develboards # -obj-y += prom.o +obj-y += prom.o bcsr.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_MIPS_PB1000) += pb1000/ obj-$(CONFIG_MIPS_PB1100) += pb1100/ diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c new file mode 100644 index 000000000000..85b7715901af --- /dev/null +++ b/arch/mips/alchemy/devboards/bcsr.c @@ -0,0 +1,76 @@ +/* + * bcsr.h -- Db1xxx/Pb1xxx Devboard CPLD registers ("BCSR") abstraction. + * + * All Alchemy development boards (except, of course, the weird PB1000) + * have a few registers in a CPLD with standardised layout; they mostly + * only differ in base address. + * All registers are 16bits wide with 32bit spacing. + */ + +#include +#include +#include +#include +#include + +static struct bcsr_reg { + void __iomem *raddr; + spinlock_t lock; +} bcsr_regs[BCSR_CNT]; + +void __init bcsr_init(unsigned long bcsr1_phys, unsigned long bcsr2_phys) +{ + int i; + + bcsr1_phys = KSEG1ADDR(CPHYSADDR(bcsr1_phys)); + bcsr2_phys = KSEG1ADDR(CPHYSADDR(bcsr2_phys)); + + for (i = 0; i < BCSR_CNT; i++) { + if (i >= BCSR_HEXLEDS) + bcsr_regs[i].raddr = (void __iomem *)bcsr2_phys + + (0x04 * (i - BCSR_HEXLEDS)); + else + bcsr_regs[i].raddr = (void __iomem *)bcsr1_phys + + (0x04 * i); + + spin_lock_init(&bcsr_regs[i].lock); + } +} + +unsigned short bcsr_read(enum bcsr_id reg) +{ + unsigned short r; + unsigned long flags; + + spin_lock_irqsave(&bcsr_regs[reg].lock, flags); + r = __raw_readw(bcsr_regs[reg].raddr); + spin_unlock_irqrestore(&bcsr_regs[reg].lock, flags); + return r; +} +EXPORT_SYMBOL_GPL(bcsr_read); + +void bcsr_write(enum bcsr_id reg, unsigned short val) +{ + unsigned long flags; + + spin_lock_irqsave(&bcsr_regs[reg].lock, flags); + __raw_writew(val, bcsr_regs[reg].raddr); + wmb(); + spin_unlock_irqrestore(&bcsr_regs[reg].lock, flags); +} +EXPORT_SYMBOL_GPL(bcsr_write); + +void bcsr_mod(enum bcsr_id reg, unsigned short clr, unsigned short set) +{ + unsigned short r; + unsigned long flags; + + spin_lock_irqsave(&bcsr_regs[reg].lock, flags); + r = __raw_readw(bcsr_regs[reg].raddr); + r &= ~clr; + r |= set; + __raw_writew(r, bcsr_regs[reg].raddr); + wmb(); + spin_unlock_irqrestore(&bcsr_regs[reg].lock, flags); +} +EXPORT_SYMBOL_GPL(bcsr_mod); diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c index de30d8ea7176..e713390c69e6 100644 --- a/arch/mips/alchemy/devboards/db1x00/board_setup.c +++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c @@ -32,12 +32,10 @@ #include #include +#include #include - -static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; - const char *get_system_type(void) { #ifdef CONFIG_MIPS_BOSPORUS @@ -49,15 +47,43 @@ const char *get_system_type(void) void board_reset(void) { - /* Hit BCSR.SW_RESET[RESET] */ - bcsr->swreset = 0x0000; + bcsr_write(BCSR_SYSTEM, 0); } void __init board_setup(void) { + unsigned long bcsr1, bcsr2; u32 pin_func = 0; char *argptr; + 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 + 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); + argptr = prom_getcmdline(); #ifdef CONFIG_SERIAL_8250_CONSOLE argptr = strstr(argptr, "console="); @@ -89,11 +115,10 @@ void __init board_setup(void) pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF; au_writel(pin_func, SYS_PINFUNC); /* Power off until the driver is in use */ - bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK; - bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF; - au_sync(); + bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK, + BCSR_RESETS_IRDA_MODE_OFF); #endif - bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */ + bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */ /* Enable GPIO[31:0] inputs */ alchemy_gpio1_input_enable(); @@ -123,23 +148,4 @@ void __init board_setup(void) #endif au_sync(); - -#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 - 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"); -#endif } diff --git a/arch/mips/alchemy/devboards/pb1100/board_setup.c b/arch/mips/alchemy/devboards/pb1100/board_setup.c index 61263081ef58..eb749fb9daa1 100644 --- a/arch/mips/alchemy/devboards/pb1100/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1100/board_setup.c @@ -30,6 +30,7 @@ #include #include +#include #include @@ -49,8 +50,7 @@ const char *get_system_type(void) void board_reset(void) { - /* Hit BCSR.RST_VDDI[SOFT_RESET] */ - au_writel(0x00000000, PB1100_RST_VDDI); + bcsr_write(BCSR_SYSTEM, 0); } void __init board_init_irq(void) @@ -63,6 +63,9 @@ void __init board_setup(void) volatile void __iomem *base = (volatile void __iomem *)0xac000000UL; char *argptr; + bcsr_init(DB1000_BCSR_PHYS_ADDR, + DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS); + argptr = prom_getcmdline(); #ifdef CONFIG_SERIAL_8250_CONSOLE argptr = strstr(argptr, "console="); diff --git a/arch/mips/alchemy/devboards/pb1200/board_setup.c b/arch/mips/alchemy/devboards/pb1200/board_setup.c index 94e6b7e7753d..db563800c31d 100644 --- a/arch/mips/alchemy/devboards/pb1200/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1200/board_setup.c @@ -27,6 +27,8 @@ #include #include +#include + #include #include @@ -38,14 +40,25 @@ 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; +#ifdef CONFIG_MIPS_PB1200 + printk(KERN_INFO "AMD Alchemy Pb1200 Board\n"); + bcsr_init(PB1200_BCSR_PHYS_ADDR, + PB1200_BCSR_PHYS_ADDR + PB1200_BCSR_HEXLED_OFS); +#endif +#ifdef CONFIG_MIPS_DB1200 + printk(KERN_INFO "AMD Alchemy Db1200 Board\n"); + bcsr_init(DB1200_BCSR_PHYS_ADDR, + DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS); +#endif + argptr = prom_getcmdline(); #ifdef CONFIG_SERIAL_8250_CONSOLE argptr = strstr(argptr, "console="); @@ -82,7 +95,7 @@ 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 +129,24 @@ 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 } 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 +154,8 @@ 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 index fe47498da280..f379b02213f1 100644 --- a/arch/mips/alchemy/devboards/pb1200/irqmap.c +++ b/arch/mips/alchemy/devboards/pb1200/irqmap.c @@ -38,11 +38,14 @@ #define PB1200_INT_END DB1200_INT_END #endif +#include + struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { /* This is external interrupt cascade */ { AU1000_GPIO_7, IRQF_TRIGGER_LOW, 0 }, }; +static void __iomem *bcsr_virt; /* * Support for External interrupts on the Pb1200 Development platform. @@ -50,7 +53,7 @@ struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { static void pb1200_cascade_handler(unsigned int irq, struct irq_desc *d) { - unsigned short bisr = bcsr->int_status; + unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT); for ( ; bisr; bisr &= bisr - 1) generic_handle_irq(PB1200_INT_BEGIN + __ffs(bisr)); @@ -61,24 +64,27 @@ static void pb1200_cascade_handler(unsigned int irq, struct irq_desc *d) */ 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(); + unsigned short v = 1 << (irq_nr - PB1200_INT_BEGIN); + __raw_writew(v, bcsr_virt + BCSR_REG_INTCLR); + __raw_writew(v, bcsr_virt + BCSR_REG_MASKCLR); + wmb(); } 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(); + unsigned short v = 1 << (irq_nr - PB1200_INT_BEGIN); + __raw_writew(v, bcsr_virt + BCSR_REG_INTCLR); + __raw_writew(v, bcsr_virt + BCSR_REG_MASKCLR); + __raw_writew(v, bcsr_virt + BCSR_REG_INTSTAT); /* ack */ + wmb(); } 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(); + unsigned short v = 1 << (irq_nr - PB1200_INT_BEGIN); + __raw_writew(v, bcsr_virt + BCSR_REG_INTSET); + __raw_writew(v, bcsr_virt + BCSR_REG_MASKSET); + wmb(); } static struct irq_chip pb1200_cpld_irq_type = { @@ -100,8 +106,10 @@ void __init board_init_irq(void) au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); #ifdef CONFIG_MIPS_PB1200 + bcsr_virt = (void __iomem *)KSEG1ADDR(PB1200_BCSR_PHYS_ADDR); + /* We have a problem with CPLD rev 3. */ - if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 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"); @@ -119,12 +127,14 @@ void __init board_init_irq(void) printk(KERN_ERR "WARNING!!!\n"); panic("Game over. Your score is 0."); } +#else + bcsr_virt = (void __iomem *)KSEG1ADDR(DB1200_BCSR_PHYS_ADDR); #endif + /* mask & disable & ack all */ - bcsr->intclr_mask = 0xffff; - bcsr->intclr = 0xffff; - bcsr->int_status = 0xffff; - au_sync(); + bcsr_write(BCSR_INTCLR, 0xffff); + bcsr_write(BCSR_MASKCLR, 0xffff); + bcsr_write(BCSR_INTSTAT, 0xffff); for (irq = PB1200_INT_BEGIN; irq <= PB1200_INT_END; irq++) set_irq_chip_and_handler_name(irq, &pb1200_cpld_irq_type, diff --git a/arch/mips/alchemy/devboards/pb1200/platform.c b/arch/mips/alchemy/devboards/pb1200/platform.c index b93dff4a6789..dfdaabf77909 100644 --- a/arch/mips/alchemy/devboards/pb1200/platform.c +++ b/arch/mips/alchemy/devboards/pb1200/platform.c @@ -26,27 +26,28 @@ #include #include +#include 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 +55,10 @@ 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); } } @@ -69,21 +70,21 @@ static struct led_classdev pb1200mmc_led = { 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 diff --git a/arch/mips/alchemy/devboards/pb1500/board_setup.c b/arch/mips/alchemy/devboards/pb1500/board_setup.c index d7a56569e7ed..c5389e5afb93 100644 --- a/arch/mips/alchemy/devboards/pb1500/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1500/board_setup.c @@ -30,6 +30,7 @@ #include #include +#include #include @@ -55,8 +56,7 @@ const char *get_system_type(void) void board_reset(void) { - /* Hit BCSR.RST_VDDI[SOFT_RESET] */ - au_writel(0x00000000, PB1500_RST_VDDI); + bcsr_write(BCSR_SYSTEM, 0); } void __init board_init_irq(void) @@ -70,6 +70,9 @@ void __init board_setup(void) u32 sys_freqctrl, sys_clksrc; char *argptr; + bcsr_init(DB1000_BCSR_PHYS_ADDR, + DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS); + argptr = prom_getcmdline(); #ifdef CONFIG_SERIAL_8250_CONSOLE argptr = strstr(argptr, "console="); diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c index b6e9e7d247a3..af7a1b5fe7c7 100644 --- a/arch/mips/alchemy/devboards/pb1550/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c @@ -32,6 +32,7 @@ #include #include +#include #include @@ -53,8 +54,7 @@ const char *get_system_type(void) void board_reset(void) { - /* Hit BCSR.SYSTEM[RESET] */ - au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C); + bcsr_write(BCSR_SYSTEM, 0); } void __init board_init_irq(void) @@ -66,6 +66,10 @@ void __init board_setup(void) { u32 pin_func; + bcsr_init(PB1550_BCSR_PHYS_ADDR, + PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS); + + #ifdef CONFIG_SERIAL_8250_CONSOLE char *argptr; argptr = prom_getcmdline(); @@ -85,8 +89,7 @@ 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"); } diff --git a/arch/mips/include/asm/mach-db1x00/bcsr.h b/arch/mips/include/asm/mach-db1x00/bcsr.h new file mode 100644 index 000000000000..ecbe19e3c14e --- /dev/null +++ b/arch/mips/include/asm/mach-db1x00/bcsr.h @@ -0,0 +1,235 @@ +/* + * bcsr.h -- Db1xxx/Pb1xxx Devboard CPLD registers ("BCSR") abstraction. + * + * All Alchemy development boards (except, of course, the weird PB1000) + * have a few registers in a CPLD with standardised layout; they mostly + * only differ in base address and bit meanings in the RESETS and BOARD + * registers. + * + * All data taken from the official AMD board documentation sheets. + */ + +#ifndef _DB1XXX_BCSR_H_ +#define _DB1XXX_BCSR_H_ + + +/* BCSR base addresses on various boards. BCSR base 2 refers to the + * physical address of the first HEXLEDS register, which is usually + * a variable offset from the WHOAMI register. + */ + +/* DB1000, DB1100, DB1500, PB1100, PB1500 */ +#define DB1000_BCSR_PHYS_ADDR 0x0E000000 +#define DB1000_BCSR_HEXLED_OFS 0x01000000 + +#define DB1550_BCSR_PHYS_ADDR 0x0F000000 +#define DB1550_BCSR_HEXLED_OFS 0x00400000 + +#define PB1550_BCSR_PHYS_ADDR 0x0F000000 +#define PB1550_BCSR_HEXLED_OFS 0x00800000 + +#define DB1200_BCSR_PHYS_ADDR 0x19800000 +#define DB1200_BCSR_HEXLED_OFS 0x00400000 + +#define PB1200_BCSR_PHYS_ADDR 0x0D800000 +#define PB1200_BCSR_HEXLED_OFS 0x00400000 + + +enum bcsr_id { + /* BCSR base 1 */ + BCSR_WHOAMI = 0, + BCSR_STATUS, + BCSR_SWITCHES, + BCSR_RESETS, + BCSR_PCMCIA, + BCSR_BOARD, + BCSR_LEDS, + BCSR_SYSTEM, + /* Au1200/1300 based boards */ + BCSR_INTCLR, + BCSR_INTSET, + BCSR_MASKCLR, + BCSR_MASKSET, + BCSR_SIGSTAT, + BCSR_INTSTAT, + + /* BCSR base 2 */ + BCSR_HEXLEDS, + BCSR_RSVD1, + BCSR_HEXCLEAR, + + BCSR_CNT, +}; + +/* register offsets, valid for all Db1xxx/Pb1xxx boards */ +#define BCSR_REG_WHOAMI 0x00 +#define BCSR_REG_STATUS 0x04 +#define BCSR_REG_SWITCHES 0x08 +#define BCSR_REG_RESETS 0x0c +#define BCSR_REG_PCMCIA 0x10 +#define BCSR_REG_BOARD 0x14 +#define BCSR_REG_LEDS 0x18 +#define BCSR_REG_SYSTEM 0x1c +/* Au1200/Au1300 based boards: CPLD IRQ muxer */ +#define BCSR_REG_INTCLR 0x20 +#define BCSR_REG_INTSET 0x24 +#define BCSR_REG_MASKCLR 0x28 +#define BCSR_REG_MASKSET 0x2c +#define BCSR_REG_SIGSTAT 0x30 +#define BCSR_REG_INTSTAT 0x34 + +/* hexled control, offset from BCSR base 2 */ +#define BCSR_REG_HEXLEDS 0x00 +#define BCSR_REG_HEXCLEAR 0x08 + +/* + * Register Bits and Pieces. + */ +#define BCSR_WHOAMI_DCID(x) ((x) & 0xf) +#define BCSR_WHOAMI_CPLD(x) (((x) >> 4) & 0xf) +#define BCSR_WHOAMI_BOARD(x) (((x) >> 8) & 0xf) + +/* register "WHOAMI" bits 11:8 identify the board */ +enum bcsr_whoami_boards { + BCSR_WHOAMI_PB1500 = 1, + BCSR_WHOAMI_PB1500R2, + BCSR_WHOAMI_PB1100, + BCSR_WHOAMI_DB1000, + BCSR_WHOAMI_DB1100, + BCSR_WHOAMI_DB1500, + BCSR_WHOAMI_DB1550, + BCSR_WHOAMI_PB1550_DDR, + BCSR_WHOAMI_PB1550 = BCSR_WHOAMI_PB1550_DDR, + BCSR_WHOAMI_PB1550_SDR, + BCSR_WHOAMI_PB1200_DDR1, + BCSR_WHOAMI_PB1200 = BCSR_WHOAMI_PB1200_DDR1, + BCSR_WHOAMI_PB1200_DDR2, + BCSR_WHOAMI_DB1200, +}; + +/* STATUS reg. Unless otherwise noted, they're valid on all boards. + * PB1200 = DB1200. + */ +#define BCSR_STATUS_PC0VS 0x0003 +#define BCSR_STATUS_PC1VS 0x000C +#define BCSR_STATUS_PC0FI 0x0010 +#define BCSR_STATUS_PC1FI 0x0020 +#define BCSR_STATUS_PB1550_SWAPBOOT 0x0040 +#define BCSR_STATUS_SRAMWIDTH 0x0080 +#define BCSR_STATUS_FLASHBUSY 0x0100 +#define BCSR_STATUS_ROMBUSY 0x0400 +#define BCSR_STATUS_SD0WP 0x0400 /* DB1200 */ +#define BCSR_STATUS_SD1WP 0x0800 +#define BCSR_STATUS_USBOTGID 0x0800 /* PB/DB1550 */ +#define BCSR_STATUS_DB1000_SWAPBOOT 0x2000 +#define BCSR_STATUS_DB1200_SWAPBOOT 0x0040 /* DB1200 */ +#define BCSR_STATUS_IDECBLID 0x0200 /* DB1200 */ +#define BCSR_STATUS_DB1200_U0RXD 0x1000 /* DB1200 */ +#define BCSR_STATUS_DB1200_U1RXD 0x2000 /* DB1200 */ +#define BCSR_STATUS_FLASHDEN 0xC000 +#define BCSR_STATUS_DB1550_U0RXD 0x1000 /* DB1550 */ +#define BCSR_STATUS_DB1550_U3RXD 0x2000 /* DB1550 */ +#define BCSR_STATUS_PB1550_U0RXD 0x1000 /* PB1550 */ +#define BCSR_STATUS_PB1550_U1RXD 0x2000 /* PB1550 */ +#define BCSR_STATUS_PB1550_U3RXD 0x8000 /* PB1550 */ + + +/* DB/PB1000,1100,1500,1550 */ +#define BCSR_RESETS_PHY0 0x0001 +#define BCSR_RESETS_PHY1 0x0002 +#define BCSR_RESETS_DC 0x0004 +#define BCSR_RESETS_FIR_SEL 0x2000 +#define BCSR_RESETS_IRDA_MODE_MASK 0xC000 +#define BCSR_RESETS_IRDA_MODE_FULL 0x0000 +#define BCSR_RESETS_PB1550_WSCFSM 0x2000 +#define BCSR_RESETS_IRDA_MODE_OFF 0x4000 +#define BCSR_RESETS_IRDA_MODE_2_3 0x8000 +#define BCSR_RESETS_IRDA_MODE_1_3 0xC000 +#define BCSR_RESETS_DMAREQ 0x8000 /* PB1550 */ + +#define BCSR_BOARD_PCIM66EN 0x0001 +#define BCSR_BOARD_SD0PWR 0x0040 +#define BCSR_BOARD_SD1PWR 0x0080 +#define BCSR_BOARD_PCIM33 0x0100 +#define BCSR_BOARD_PCIEXTARB 0x0200 +#define BCSR_BOARD_GPIO200RST 0x0400 +#define BCSR_BOARD_PCICLKOUT 0x0800 +#define BCSR_BOARD_PCICFG 0x1000 +#define BCSR_BOARD_SPISEL 0x4000 /* PB/DB1550 */ +#define BCSR_BOARD_SD0WP 0x4000 /* DB1100 */ +#define BCSR_BOARD_SD1WP 0x8000 /* DB1100 */ + + +/* DB/PB1200 */ +#define BCSR_RESETS_ETH 0x0001 +#define BCSR_RESETS_CAMERA 0x0002 +#define BCSR_RESETS_DC 0x0004 +#define BCSR_RESETS_IDE 0x0008 +#define BCSR_RESETS_TV 0x0010 /* DB1200 */ +/* Not resets but in the same register */ +#define BCSR_RESETS_PWMR1MUX 0x0800 /* DB1200 */ +#define BCSR_RESETS_PB1200_WSCFSM 0x0800 /* PB1200 */ +#define BCSR_RESETS_PSC0MUX 0x1000 +#define BCSR_RESETS_PSC1MUX 0x2000 +#define BCSR_RESETS_SPISEL 0x4000 +#define BCSR_RESETS_SD1MUX 0x8000 /* PB1200 */ + +#define BCSR_BOARD_LCDVEE 0x0001 +#define BCSR_BOARD_LCDVDD 0x0002 +#define BCSR_BOARD_LCDBL 0x0004 +#define BCSR_BOARD_CAMSNAP 0x0010 +#define BCSR_BOARD_CAMPWR 0x0020 +#define BCSR_BOARD_SD0PWR 0x0040 + + +#define BCSR_SWITCHES_DIP 0x00FF +#define BCSR_SWITCHES_DIP_1 0x0080 +#define BCSR_SWITCHES_DIP_2 0x0040 +#define BCSR_SWITCHES_DIP_3 0x0020 +#define BCSR_SWITCHES_DIP_4 0x0010 +#define BCSR_SWITCHES_DIP_5 0x0008 +#define BCSR_SWITCHES_DIP_6 0x0004 +#define BCSR_SWITCHES_DIP_7 0x0002 +#define BCSR_SWITCHES_DIP_8 0x0001 +#define BCSR_SWITCHES_ROTARY 0x0F00 + + +#define BCSR_PCMCIA_PC0VPP 0x0003 +#define BCSR_PCMCIA_PC0VCC 0x000C +#define BCSR_PCMCIA_PC0DRVEN 0x0010 +#define BCSR_PCMCIA_PC0RST 0x0080 +#define BCSR_PCMCIA_PC1VPP 0x0300 +#define BCSR_PCMCIA_PC1VCC 0x0C00 +#define BCSR_PCMCIA_PC1DRVEN 0x1000 +#define BCSR_PCMCIA_PC1RST 0x8000 + + +#define BCSR_LEDS_DECIMALS 0x0003 +#define BCSR_LEDS_LED0 0x0100 +#define BCSR_LEDS_LED1 0x0200 +#define BCSR_LEDS_LED2 0x0400 +#define BCSR_LEDS_LED3 0x0800 + + +#define BCSR_SYSTEM_RESET 0x8000 /* clear to reset */ +#define BCSR_SYSTEM_PWROFF 0x4000 /* set to power off */ +#define BCSR_SYSTEM_VDDI 0x001F /* PB1xxx boards */ + + + + +/* initialize BCSR for a board. Provide the PHYSICAL addresses of both + * BCSR spaces. + */ +void __init bcsr_init(unsigned long bcsr1_phys, unsigned long bcsr2_phys); + +/* read a board register */ +unsigned short bcsr_read(enum bcsr_id reg); + +/* write to a board register */ +void bcsr_write(enum bcsr_id reg, unsigned short val); + +/* modify a register. clear bits set in 'clr', set bits set in 'set' */ +void bcsr_mod(enum bcsr_id reg, unsigned short clr, unsigned short set); + +#endif diff --git a/arch/mips/include/asm/mach-db1x00/db1200.h b/arch/mips/include/asm/mach-db1x00/db1200.h index 27f26102b1bb..2909b834e4af 100644 --- a/arch/mips/include/asm/mach-db1x00/db1200.h +++ b/arch/mips/include/asm/mach-db1x00/db1200.h @@ -45,113 +45,6 @@ #define AC97_PSC_BASE PSC1_BASE_ADDR #define I2S_PSC_BASE PSC1_BASE_ADDR -#define BCSR_KSEG1_ADDR 0xB9800000 - -typedef volatile struct -{ - /*00*/ u16 whoami; - u16 reserved0; - /*04*/ u16 status; - u16 reserved1; - /*08*/ u16 switches; - u16 reserved2; - /*0C*/ u16 resets; - u16 reserved3; - - /*10*/ u16 pcmcia; - u16 reserved4; - /*14*/ u16 board; - u16 reserved5; - /*18*/ u16 disk_leds; - u16 reserved6; - /*1C*/ u16 system; - u16 reserved7; - - /*20*/ u16 intclr; - u16 reserved8; - /*24*/ u16 intset; - u16 reserved9; - /*28*/ u16 intclr_mask; - u16 reserved10; - /*2C*/ u16 intset_mask; - u16 reserved11; - - /*30*/ u16 sig_status; - u16 reserved12; - /*34*/ u16 int_status; - u16 reserved13; - /*38*/ u16 reserved14; - u16 reserved15; - /*3C*/ u16 reserved16; - u16 reserved17; - -} BCSR; - -static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; - -/* - * Register bit definitions for the BCSRs - */ -#define BCSR_WHOAMI_DCID 0x000F -#define BCSR_WHOAMI_CPLD 0x00F0 -#define BCSR_WHOAMI_BOARD 0x0F00 - -#define BCSR_STATUS_PCMCIA0VS 0x0003 -#define BCSR_STATUS_PCMCIA1VS 0x000C -#define BCSR_STATUS_SWAPBOOT 0x0040 -#define BCSR_STATUS_FLASHBUSY 0x0100 -#define BCSR_STATUS_IDECBLID 0x0200 -#define BCSR_STATUS_SD0WP 0x0400 -#define BCSR_STATUS_U0RXD 0x1000 -#define BCSR_STATUS_U1RXD 0x2000 - -#define BCSR_SWITCHES_OCTAL 0x00FF -#define BCSR_SWITCHES_DIP_1 0x0080 -#define BCSR_SWITCHES_DIP_2 0x0040 -#define BCSR_SWITCHES_DIP_3 0x0020 -#define BCSR_SWITCHES_DIP_4 0x0010 -#define BCSR_SWITCHES_DIP_5 0x0008 -#define BCSR_SWITCHES_DIP_6 0x0004 -#define BCSR_SWITCHES_DIP_7 0x0002 -#define BCSR_SWITCHES_DIP_8 0x0001 -#define BCSR_SWITCHES_ROTARY 0x0F00 - -#define BCSR_RESETS_ETH 0x0001 -#define BCSR_RESETS_CAMERA 0x0002 -#define BCSR_RESETS_DC 0x0004 -#define BCSR_RESETS_IDE 0x0008 -#define BCSR_RESETS_TV 0x0010 -/* Not resets but in the same register */ -#define BCSR_RESETS_PWMR1MUX 0x0800 -#define BCSR_RESETS_PCS0MUX 0x1000 -#define BCSR_RESETS_PCS1MUX 0x2000 -#define BCSR_RESETS_SPISEL 0x4000 - -#define BCSR_PCMCIA_PC0VPP 0x0003 -#define BCSR_PCMCIA_PC0VCC 0x000C -#define BCSR_PCMCIA_PC0DRVEN 0x0010 -#define BCSR_PCMCIA_PC0RST 0x0080 -#define BCSR_PCMCIA_PC1VPP 0x0300 -#define BCSR_PCMCIA_PC1VCC 0x0C00 -#define BCSR_PCMCIA_PC1DRVEN 0x1000 -#define BCSR_PCMCIA_PC1RST 0x8000 - -#define BCSR_BOARD_LCDVEE 0x0001 -#define BCSR_BOARD_LCDVDD 0x0002 -#define BCSR_BOARD_LCDBL 0x0004 -#define BCSR_BOARD_CAMSNAP 0x0010 -#define BCSR_BOARD_CAMPWR 0x0020 -#define BCSR_BOARD_SD0PWR 0x0040 - -#define BCSR_LEDS_DECIMALS 0x0003 -#define BCSR_LEDS_LED0 0x0100 -#define BCSR_LEDS_LED1 0x0200 -#define BCSR_LEDS_LED2 0x0400 -#define BCSR_LEDS_LED3 0x0800 - -#define BCSR_SYSTEM_POWEROFF 0x4000 -#define BCSR_SYSTEM_RESET 0x8000 - /* Bit positions for the different interrupt sources */ #define BCSR_INT_IDE 0x0001 #define BCSR_INT_ETH 0x0002 @@ -222,7 +115,7 @@ enum external_pb1200_ints { #define BOARD_PC0_INT DB1200_PC0_INT #define BOARD_PC1_INT DB1200_PC1_INT -#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1 << (8 + (2 * SOCKET))) +#define BOARD_CARD_INSERTED(SOCKET) (bcsr_read(BCSR_SIGSTAT) & (1 << (8 + (2 * SOCKET)))) /* NAND chip select */ #define NAND_CS 1 diff --git a/arch/mips/include/asm/mach-db1x00/db1x00.h b/arch/mips/include/asm/mach-db1x00/db1x00.h index 1a515b8c870f..cfa64297da08 100644 --- a/arch/mips/include/asm/mach-db1x00/db1x00.h +++ b/arch/mips/include/asm/mach-db1x00/db1x00.h @@ -41,102 +41,10 @@ #define SMBUS_PSC_BASE PSC2_BASE_ADDR #define I2S_PSC_BASE PSC3_BASE_ADDR -#define BCSR_KSEG1_ADDR 0xAF000000 #define NAND_PHYS_ADDR 0x20000000 -#else -#define BCSR_KSEG1_ADDR 0xAE000000 #endif -/* - * Overlay data structure of the DBAu1x00 board registers. - * Registers are located at physical 0E0000xx, KSEG1 0xAE0000xx. - */ -typedef volatile struct -{ - /*00*/ unsigned short whoami; - unsigned short reserved0; - /*04*/ unsigned short status; - unsigned short reserved1; - /*08*/ unsigned short switches; - unsigned short reserved2; - /*0C*/ unsigned short resets; - unsigned short reserved3; - /*10*/ unsigned short pcmcia; - unsigned short reserved4; - /*14*/ unsigned short specific; - unsigned short reserved5; - /*18*/ unsigned short leds; - unsigned short reserved6; - /*1C*/ unsigned short swreset; - unsigned short reserved7; - -} BCSR; - - -/* - * Register/mask bit definitions for the BCSRs - */ -#define BCSR_WHOAMI_DCID 0x000F -#define BCSR_WHOAMI_CPLD 0x00F0 -#define BCSR_WHOAMI_BOARD 0x0F00 - -#define BCSR_STATUS_PC0VS 0x0003 -#define BCSR_STATUS_PC1VS 0x000C -#define BCSR_STATUS_PC0FI 0x0010 -#define BCSR_STATUS_PC1FI 0x0020 -#define BCSR_STATUS_FLASHBUSY 0x0100 -#define BCSR_STATUS_ROMBUSY 0x0400 -#define BCSR_STATUS_SWAPBOOT 0x2000 -#define BCSR_STATUS_FLASHDEN 0xC000 - -#define BCSR_SWITCHES_DIP 0x00FF -#define BCSR_SWITCHES_DIP_1 0x0080 -#define BCSR_SWITCHES_DIP_2 0x0040 -#define BCSR_SWITCHES_DIP_3 0x0020 -#define BCSR_SWITCHES_DIP_4 0x0010 -#define BCSR_SWITCHES_DIP_5 0x0008 -#define BCSR_SWITCHES_DIP_6 0x0004 -#define BCSR_SWITCHES_DIP_7 0x0002 -#define BCSR_SWITCHES_DIP_8 0x0001 -#define BCSR_SWITCHES_ROTARY 0x0F00 - -#define BCSR_RESETS_PHY0 0x0001 -#define BCSR_RESETS_PHY1 0x0002 -#define BCSR_RESETS_DC 0x0004 -#define BCSR_RESETS_FIR_SEL 0x2000 -#define BCSR_RESETS_IRDA_MODE_MASK 0xC000 -#define BCSR_RESETS_IRDA_MODE_FULL 0x0000 -#define BCSR_RESETS_IRDA_MODE_OFF 0x4000 -#define BCSR_RESETS_IRDA_MODE_2_3 0x8000 -#define BCSR_RESETS_IRDA_MODE_1_3 0xC000 - -#define BCSR_PCMCIA_PC0VPP 0x0003 -#define BCSR_PCMCIA_PC0VCC 0x000C -#define BCSR_PCMCIA_PC0DRVEN 0x0010 -#define BCSR_PCMCIA_PC0RST 0x0080 -#define BCSR_PCMCIA_PC1VPP 0x0300 -#define BCSR_PCMCIA_PC1VCC 0x0C00 -#define BCSR_PCMCIA_PC1DRVEN 0x1000 -#define BCSR_PCMCIA_PC1RST 0x8000 - -#define BCSR_BOARD_PCIM66EN 0x0001 -#define BCSR_BOARD_SD0_PWR 0x0040 -#define BCSR_BOARD_SD1_PWR 0x0080 -#define BCSR_BOARD_PCIM33 0x0100 -#define BCSR_BOARD_GPIO200RST 0x0400 -#define BCSR_BOARD_PCICFG 0x1000 -#define BCSR_BOARD_SD0_WP 0x4000 -#define BCSR_BOARD_SD1_WP 0x8000 - -#define BCSR_LEDS_DECIMALS 0x0003 -#define BCSR_LEDS_LED0 0x0100 -#define BCSR_LEDS_LED1 0x0200 -#define BCSR_LEDS_LED2 0x0400 -#define BCSR_LEDS_LED3 0x0800 - -#define BCSR_SWRESET_RESET 0x0080 - /* PCMCIA DBAu1x00 specific defines */ #define PCMCIA_MAX_SOCK 1 #define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1) diff --git a/arch/mips/include/asm/mach-pb1x00/pb1100.h b/arch/mips/include/asm/mach-pb1x00/pb1100.h index b1a60f1cbd02..f2bf73a11fb2 100644 --- a/arch/mips/include/asm/mach-pb1x00/pb1100.h +++ b/arch/mips/include/asm/mach-pb1x00/pb1100.h @@ -26,55 +26,6 @@ #ifndef __ASM_PB1100_H #define __ASM_PB1100_H -#define PB1100_IDENT 0xAE000000 -#define BOARD_STATUS_REG 0xAE000004 -# define PB1100_ROM_SEL (1 << 15) -# define PB1100_ROM_SIZ (1 << 14) -# define PB1100_SWAP_BOOT (1 << 13) -# define PB1100_FLASH_WP (1 << 12) -# define PB1100_ROM_H_STS (1 << 11) -# define PB1100_ROM_L_STS (1 << 10) -# define PB1100_FLASH_H_STS (1 << 9) -# define PB1100_FLASH_L_STS (1 << 8) -# define PB1100_SRAM_SIZ (1 << 7) -# define PB1100_TSC_BUSY (1 << 6) -# define PB1100_PCMCIA_VS_MASK (3 << 4) -# define PB1100_RS232_CD (1 << 3) -# define PB1100_RS232_CTS (1 << 2) -# define PB1100_RS232_DSR (1 << 1) -# define PB1100_RS232_RI (1 << 0) - -#define PB1100_IRDA_RS232 0xAE00000C -# define PB1100_IRDA_FULL (0 << 14) /* full power */ -# define PB1100_IRDA_SHUTDOWN (1 << 14) -# define PB1100_IRDA_TT (2 << 14) /* 2/3 power */ -# define PB1100_IRDA_OT (3 << 14) /* 1/3 power */ -# define PB1100_IRDA_FIR (1 << 13) - -#define PCMCIA_BOARD_REG 0xAE000010 -# define PB1100_SD_WP1_RO (1 << 15) /* read only */ -# define PB1100_SD_WP0_RO (1 << 14) /* read only */ -# define PB1100_SD_PWR1 (1 << 11) /* applies power to SD1 */ -# define PB1100_SD_PWR0 (1 << 10) /* applies power to SD0 */ -# define PB1100_SEL_SD_CONN1 (1 << 9) -# define PB1100_SEL_SD_CONN0 (1 << 8) -# define PC_DEASSERT_RST (1 << 7) -# define PC_DRV_EN (1 << 4) - -#define PB1100_G_CONTROL 0xAE000014 /* graphics control */ - -#define PB1100_RST_VDDI 0xAE00001C -# define PB1100_SOFT_RESET (1 << 15) /* clear to reset the board */ -# define PB1100_VDDI_MASK 0x1F - -#define PB1100_LEDS 0xAE000018 - -/* - * 11:8 is 4 discreet LEDs. Clearing a bit illuminates the LED. - * 7:0 is the LED Display's decimal points. - */ -#define PB1100_HEX_LED 0xAE000018 - /* PCMCIA Pb1100 specific defines */ #define PCMCIA_MAX_SOCK 0 #define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1) diff --git a/arch/mips/include/asm/mach-pb1x00/pb1200.h b/arch/mips/include/asm/mach-pb1x00/pb1200.h index c8618df88cb5..a51512c68177 100644 --- a/arch/mips/include/asm/mach-pb1x00/pb1200.h +++ b/arch/mips/include/asm/mach-pb1x00/pb1200.h @@ -43,113 +43,8 @@ * Refer to board documentation. */ #define AC97_PSC_BASE PSC1_BASE_ADDR -#define I2S_PSC_BASE PSC1_BASE_ADDR +#define I2S_PSC_BASE PSC1_BASE_ADDR -#define BCSR_KSEG1_ADDR 0xAD800000 - -typedef volatile struct -{ - /*00*/ u16 whoami; - u16 reserved0; - /*04*/ u16 status; - u16 reserved1; - /*08*/ u16 switches; - u16 reserved2; - /*0C*/ u16 resets; - u16 reserved3; - - /*10*/ u16 pcmcia; - u16 reserved4; - /*14*/ u16 board; - u16 reserved5; - /*18*/ u16 disk_leds; - u16 reserved6; - /*1C*/ u16 system; - u16 reserved7; - - /*20*/ u16 intclr; - u16 reserved8; - /*24*/ u16 intset; - u16 reserved9; - /*28*/ u16 intclr_mask; - u16 reserved10; - /*2C*/ u16 intset_mask; - u16 reserved11; - - /*30*/ u16 sig_status; - u16 reserved12; - /*34*/ u16 int_status; - u16 reserved13; - /*38*/ u16 reserved14; - u16 reserved15; - /*3C*/ u16 reserved16; - u16 reserved17; - -} BCSR; - -static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; - -/* - * Register bit definitions for the BCSRs - */ -#define BCSR_WHOAMI_DCID 0x000F -#define BCSR_WHOAMI_CPLD 0x00F0 -#define BCSR_WHOAMI_BOARD 0x0F00 - -#define BCSR_STATUS_PCMCIA0VS 0x0003 -#define BCSR_STATUS_PCMCIA1VS 0x000C -#define BCSR_STATUS_SWAPBOOT 0x0040 -#define BCSR_STATUS_FLASHBUSY 0x0100 -#define BCSR_STATUS_IDECBLID 0x0200 -#define BCSR_STATUS_SD0WP 0x0400 -#define BCSR_STATUS_SD1WP 0x0800 -#define BCSR_STATUS_U0RXD 0x1000 -#define BCSR_STATUS_U1RXD 0x2000 - -#define BCSR_SWITCHES_OCTAL 0x00FF -#define BCSR_SWITCHES_DIP_1 0x0080 -#define BCSR_SWITCHES_DIP_2 0x0040 -#define BCSR_SWITCHES_DIP_3 0x0020 -#define BCSR_SWITCHES_DIP_4 0x0010 -#define BCSR_SWITCHES_DIP_5 0x0008 -#define BCSR_SWITCHES_DIP_6 0x0004 -#define BCSR_SWITCHES_DIP_7 0x0002 -#define BCSR_SWITCHES_DIP_8 0x0001 -#define BCSR_SWITCHES_ROTARY 0x0F00 - -#define BCSR_RESETS_ETH 0x0001 -#define BCSR_RESETS_CAMERA 0x0002 -#define BCSR_RESETS_DC 0x0004 -#define BCSR_RESETS_IDE 0x0008 -/* not resets but in the same register */ -#define BCSR_RESETS_WSCFSM 0x0800 -#define BCSR_RESETS_PCS0MUX 0x1000 -#define BCSR_RESETS_PCS1MUX 0x2000 -#define BCSR_RESETS_SPISEL 0x4000 -#define BCSR_RESETS_SD1MUX 0x8000 - -#define BCSR_PCMCIA_PC0VPP 0x0003 -#define BCSR_PCMCIA_PC0VCC 0x000C -#define BCSR_PCMCIA_PC0DRVEN 0x0010 -#define BCSR_PCMCIA_PC0RST 0x0080 -#define BCSR_PCMCIA_PC1VPP 0x0300 -#define BCSR_PCMCIA_PC1VCC 0x0C00 -#define BCSR_PCMCIA_PC1DRVEN 0x1000 -#define BCSR_PCMCIA_PC1RST 0x8000 - -#define BCSR_BOARD_LCDVEE 0x0001 -#define BCSR_BOARD_LCDVDD 0x0002 -#define BCSR_BOARD_LCDBL 0x0004 -#define BCSR_BOARD_CAMSNAP 0x0010 -#define BCSR_BOARD_CAMPWR 0x0020 -#define BCSR_BOARD_SD0PWR 0x0040 -#define BCSR_BOARD_SD1PWR 0x0080 - -#define BCSR_LEDS_DECIMALS 0x00FF -#define BCSR_LEDS_LED0 0x0100 -#define BCSR_LEDS_LED1 0x0200 -#define BCSR_LEDS_LED2 0x0400 -#define BCSR_LEDS_LED3 0x0800 #define BCSR_SYSTEM_VDDI 0x001F #define BCSR_SYSTEM_POWEROFF 0x4000 @@ -251,7 +146,7 @@ enum external_pb1200_ints { #define BOARD_PC0_INT PB1200_PC0_INT #define BOARD_PC1_INT PB1200_PC1_INT -#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1 << (8 + (2 * SOCKET))) +#define BOARD_CARD_INSERTED(SOCKET) (bcsr_read(BCSR_SIGSTAT & (1 << (8 + (2 * SOCKET)))) /* NAND chip select */ #define NAND_CS 1 diff --git a/arch/mips/include/asm/mach-pb1x00/pb1500.h b/arch/mips/include/asm/mach-pb1x00/pb1500.h index da51a2eb7b82..82431a7ab942 100644 --- a/arch/mips/include/asm/mach-pb1x00/pb1500.h +++ b/arch/mips/include/asm/mach-pb1x00/pb1500.h @@ -26,19 +26,6 @@ #ifndef __ASM_PB1500_H #define __ASM_PB1500_H -#define IDENT_BOARD_REG 0xAE000000 -#define BOARD_STATUS_REG 0xAE000004 -#define PCI_BOARD_REG 0xAE000010 -#define PCMCIA_BOARD_REG 0xAE000010 -# define PC_DEASSERT_RST 0x80 -# define PC_DRV_EN 0x10 -#define PB1500_G_CONTROL 0xAE000014 -#define PB1500_RST_VDDI 0xAE00001C -#define PB1500_LEDS 0xAE000018 - -#define PB1500_HEX_LED 0xAF000004 -#define PB1500_HEX_LED_BLANK 0xAF000008 - /* PCMCIA Pb1500 specific defines */ #define PCMCIA_MAX_SOCK 0 #define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1) diff --git a/arch/mips/include/asm/mach-pb1x00/pb1550.h b/arch/mips/include/asm/mach-pb1x00/pb1550.h index 6704a11497db..306d584abbd4 100644 --- a/arch/mips/include/asm/mach-pb1x00/pb1550.h +++ b/arch/mips/include/asm/mach-pb1x00/pb1550.h @@ -40,95 +40,6 @@ #define SMBUS_PSC_BASE PSC2_BASE_ADDR #define I2S_PSC_BASE PSC3_BASE_ADDR -#define BCSR_PHYS_ADDR 0xAF000000 - -typedef volatile struct -{ - /*00*/ u16 whoami; - u16 reserved0; - /*04*/ u16 status; - u16 reserved1; - /*08*/ u16 switches; - u16 reserved2; - /*0C*/ u16 resets; - u16 reserved3; - /*10*/ u16 pcmcia; - u16 reserved4; - /*14*/ u16 pci; - u16 reserved5; - /*18*/ u16 leds; - u16 reserved6; - /*1C*/ u16 system; - u16 reserved7; - -} BCSR; - -static BCSR * const bcsr = (BCSR *)BCSR_PHYS_ADDR; - -/* - * Register bit definitions for the BCSRs - */ -#define BCSR_WHOAMI_DCID 0x000F -#define BCSR_WHOAMI_CPLD 0x00F0 -#define BCSR_WHOAMI_BOARD 0x0F00 - -#define BCSR_STATUS_PCMCIA0VS 0x0003 -#define BCSR_STATUS_PCMCIA1VS 0x000C -#define BCSR_STATUS_PCMCIA0FI 0x0010 -#define BCSR_STATUS_PCMCIA1FI 0x0020 -#define BCSR_STATUS_SWAPBOOT 0x0040 -#define BCSR_STATUS_SRAMWIDTH 0x0080 -#define BCSR_STATUS_FLASHBUSY 0x0100 -#define BCSR_STATUS_ROMBUSY 0x0200 -#define BCSR_STATUS_USBOTGID 0x0800 -#define BCSR_STATUS_U0RXD 0x1000 -#define BCSR_STATUS_U1RXD 0x2000 -#define BCSR_STATUS_U3RXD 0x8000 - -#define BCSR_SWITCHES_OCTAL 0x00FF -#define BCSR_SWITCHES_DIP_1 0x0080 -#define BCSR_SWITCHES_DIP_2 0x0040 -#define BCSR_SWITCHES_DIP_3 0x0020 -#define BCSR_SWITCHES_DIP_4 0x0010 -#define BCSR_SWITCHES_DIP_5 0x0008 -#define BCSR_SWITCHES_DIP_6 0x0004 -#define BCSR_SWITCHES_DIP_7 0x0002 -#define BCSR_SWITCHES_DIP_8 0x0001 -#define BCSR_SWITCHES_ROTARY 0x0F00 - -#define BCSR_RESETS_PHY0 0x0001 -#define BCSR_RESETS_PHY1 0x0002 -#define BCSR_RESETS_DC 0x0004 -#define BCSR_RESETS_WSC 0x2000 -#define BCSR_RESETS_SPISEL 0x4000 -#define BCSR_RESETS_DMAREQ 0x8000 - -#define BCSR_PCMCIA_PC0VPP 0x0003 -#define BCSR_PCMCIA_PC0VCC 0x000C -#define BCSR_PCMCIA_PC0DRVEN 0x0010 -#define BCSR_PCMCIA_PC0RST 0x0080 -#define BCSR_PCMCIA_PC1VPP 0x0300 -#define BCSR_PCMCIA_PC1VCC 0x0C00 -#define BCSR_PCMCIA_PC1DRVEN 0x1000 -#define BCSR_PCMCIA_PC1RST 0x8000 - -#define BCSR_PCI_M66EN 0x0001 -#define BCSR_PCI_M33 0x0100 -#define BCSR_PCI_EXTERNARB 0x0200 -#define BCSR_PCI_GPIO200RST 0x0400 -#define BCSR_PCI_CLKOUT 0x0800 -#define BCSR_PCI_CFGHOST 0x1000 - -#define BCSR_LEDS_DECIMALS 0x00FF -#define BCSR_LEDS_LED0 0x0100 -#define BCSR_LEDS_LED1 0x0200 -#define BCSR_LEDS_LED2 0x0400 -#define BCSR_LEDS_LED3 0x0800 - -#define BCSR_SYSTEM_VDDI 0x001F -#define BCSR_SYSTEM_POWEROFF 0x4000 -#define BCSR_SYSTEM_RESET 0x8000 - #define PCMCIA_MAX_SOCK 1 #define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1) diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c index 92c334ff4508..43d46e424040 100644 --- a/drivers/mtd/nand/au1550nd.c +++ b/drivers/mtd/nand/au1550nd.c @@ -19,6 +19,7 @@ #include #include +#include /* * MTD structure for NAND controller @@ -475,7 +476,8 @@ static int __init au1xxx_nand_init(void) /* set gpio206 high */ au_writel(au_readl(GPIO2_DIR) & ~(1 << 6), GPIO2_DIR); - boot_swapboot = (au_readl(MEM_STSTAT) & (0x7 << 1)) | ((bcsr->status >> 6) & 0x1); + boot_swapboot = (au_readl(MEM_STSTAT) & (0x7 << 1)) | ((bcsr_read(BCSR_STATUS) >> 6) & 0x1); + switch (boot_swapboot) { case 0: case 2: diff --git a/drivers/net/irda/au1k_ir.c b/drivers/net/irda/au1k_ir.c index 9b2eebdbb25b..b5cbd39d0685 100644 --- a/drivers/net/irda/au1k_ir.c +++ b/drivers/net/irda/au1k_ir.c @@ -36,6 +36,7 @@ #include #elif defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) #include +#include #else #error au1k_ir: unsupported board #endif @@ -66,10 +67,6 @@ static char version[] __devinitdata = #define RUN_AT(x) (jiffies + (x)) -#if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) -static BCSR * const bcsr = (BCSR *)0xAE000000; -#endif - static DEFINE_SPINLOCK(ir_lock); /* @@ -282,9 +279,8 @@ static int au1k_irda_net_init(struct net_device *dev) #if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) /* power on */ - bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK; - bcsr->resets |= BCSR_RESETS_IRDA_MODE_FULL; - au_sync(); + bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK, + BCSR_RESETS_IRDA_MODE_FULL); #endif return 0; @@ -720,14 +716,14 @@ au1k_irda_set_speed(struct net_device *dev, int speed) if (speed == 4000000) { #if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) - bcsr->resets |= BCSR_RESETS_FIR_SEL; + bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_FIR_SEL); #else /* Pb1000 and Pb1100 */ writel(1<<13, CPLD_AUX1); #endif } else { #if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) - bcsr->resets &= ~BCSR_RESETS_FIR_SEL; + bcsr_mod(BCSR_RESETS, BCSR_RESETS_FIR_SEL, 0); #else /* Pb1000 and Pb1100 */ writel(readl(CPLD_AUX1) & ~(1<<13), CPLD_AUX1); #endif diff --git a/drivers/pcmcia/au1000_db1x00.c b/drivers/pcmcia/au1000_db1x00.c index c78d77fd7e3b..3fdd664e41c6 100644 --- a/drivers/pcmcia/au1000_db1x00.c +++ b/drivers/pcmcia/au1000_db1x00.c @@ -47,9 +47,9 @@ #include #else #include - static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; #endif +#include #include "au1000_generic.h" #if 0 @@ -76,8 +76,8 @@ static int db1x00_pcmcia_hw_init(struct au1000_pcmcia_socket *skt) static void db1x00_pcmcia_shutdown(struct au1000_pcmcia_socket *skt) { - bcsr->pcmcia = 0; /* turn off power */ - au_sync_delay(2); + bcsr_write(BCSR_PCMCIA, 0); /* turn off power */ + msleep(2); } static void @@ -93,19 +93,19 @@ db1x00_pcmcia_socket_state(struct au1000_pcmcia_socket *skt, struct pcmcia_state switch (skt->nr) { case 0: - vs = bcsr->status & 0x3; + vs = bcsr_read(BCSR_STATUS) & 0x3; #if defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200) inserted = BOARD_CARD_INSERTED(0); #else - inserted = !(bcsr->status & (1<<4)); + inserted = !(bcsr_read(BCSR_STATUS) & (1 << 4)); #endif break; case 1: - vs = (bcsr->status & 0xC)>>2; + vs = (bcsr_read(BCSR_STATUS) & 0xC) >> 2; #if defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200) inserted = BOARD_CARD_INSERTED(1); #else - inserted = !(bcsr->status & (1<<5)); + inserted = !(bcsr_read(BCSR_STATUS) & (1<<5)); #endif break; default:/* should never happen */ @@ -114,7 +114,7 @@ db1x00_pcmcia_socket_state(struct au1000_pcmcia_socket *skt, struct pcmcia_state if (inserted) debug("db1x00 socket %d: inserted %d, vs %d pcmcia %x\n", - skt->nr, inserted, vs, bcsr->pcmcia); + skt->nr, inserted, vs, bcsr_read(BCSR_PCMCIA)); if (inserted) { switch (vs) { @@ -136,19 +136,21 @@ db1x00_pcmcia_socket_state(struct au1000_pcmcia_socket *skt, struct pcmcia_state /* if the card was previously inserted and then ejected, * we should turn off power to it */ - if ((skt->nr == 0) && (bcsr->pcmcia & BCSR_PCMCIA_PC0RST)) { - bcsr->pcmcia &= ~(BCSR_PCMCIA_PC0RST | - BCSR_PCMCIA_PC0DRVEN | - BCSR_PCMCIA_PC0VPP | - BCSR_PCMCIA_PC0VCC); - au_sync_delay(10); + if ((skt->nr == 0) && + (bcsr_read(BCSR_PCMCIA) & BCSR_PCMCIA_PC0RST)) { + bcsr_mod(BCSR_PCMCIA, BCSR_PCMCIA_PC0RST | + BCSR_PCMCIA_PC0DRVEN | + BCSR_PCMCIA_PC0VPP | + BCSR_PCMCIA_PC0VCC, 0); + msleep(10); } - else if ((skt->nr == 1) && bcsr->pcmcia & BCSR_PCMCIA_PC1RST) { - bcsr->pcmcia &= ~(BCSR_PCMCIA_PC1RST | - BCSR_PCMCIA_PC1DRVEN | - BCSR_PCMCIA_PC1VPP | - BCSR_PCMCIA_PC1VCC); - au_sync_delay(10); + else if ((skt->nr == 1) && + (bcsr_read(BCSR_PCMCIA) & BCSR_PCMCIA_PC1RST)) { + bcsr_mod(BCSR_PCMCIA, BCSR_PCMCIA_PC1RST | + BCSR_PCMCIA_PC1DRVEN | + BCSR_PCMCIA_PC1VPP | + BCSR_PCMCIA_PC1VCC, 0); + msleep(10); } } @@ -171,7 +173,7 @@ db1x00_pcmcia_configure_socket(struct au1000_pcmcia_socket *skt, struct socket_s * initializing a socket not to wipe out the settings of the * other socket. */ - pwr = bcsr->pcmcia; + pwr = bcsr_read(BCSR_PCMCIA); pwr &= ~(0xf << sock*8); /* clear voltage settings */ state->Vpp = 0; @@ -228,37 +230,37 @@ db1x00_pcmcia_configure_socket(struct au1000_pcmcia_socket *skt, struct socket_s break; } - bcsr->pcmcia = pwr; - au_sync_delay(300); + bcsr_write(BCSR_PCMCIA, pwr); + msleep(300); if (sock == 0) { if (!(state->flags & SS_RESET)) { pwr |= BCSR_PCMCIA_PC0DRVEN; - bcsr->pcmcia = pwr; - au_sync_delay(300); + bcsr_write(BCSR_PCMCIA, pwr); + msleep(300); pwr |= BCSR_PCMCIA_PC0RST; - bcsr->pcmcia = pwr; - au_sync_delay(100); + bcsr_write(BCSR_PCMCIA, pwr); + msleep(100); } else { pwr &= ~(BCSR_PCMCIA_PC0RST | BCSR_PCMCIA_PC0DRVEN); - bcsr->pcmcia = pwr; - au_sync_delay(100); + bcsr_write(BCSR_PCMCIA, pwr); + msleep(100); } } else { if (!(state->flags & SS_RESET)) { pwr |= BCSR_PCMCIA_PC1DRVEN; - bcsr->pcmcia = pwr; - au_sync_delay(300); + bcsr_write(BCSR_PCMCIA, pwr); + msleep(300); pwr |= BCSR_PCMCIA_PC1RST; - bcsr->pcmcia = pwr; - au_sync_delay(100); + bcsr_write(BCSR_PCMCIA, pwr); + msleep(100); } else { pwr &= ~(BCSR_PCMCIA_PC1RST | BCSR_PCMCIA_PC1DRVEN); - bcsr->pcmcia = pwr; - au_sync_delay(100); + bcsr_write(BCSR_PCMCIA, pwr); + msleep(100); } } return 0; @@ -298,8 +300,8 @@ struct pcmcia_low_level db1x00_pcmcia_ops = { int au1x_board_init(struct device *dev) { int ret = -ENODEV; - bcsr->pcmcia = 0; /* turn off power, if it's not already off */ - au_sync_delay(2); + bcsr_write(BCSR_PCMCIA, 0); /* turn off power, if it's not already off */ + msleep(2); ret = au1x00_pcmcia_socket_probe(dev, &db1x00_pcmcia_ops, 0, 2); return ret; } -- 2.39.2