diff options
Diffstat (limited to 'arch/arm/mach-bcmring')
| -rw-r--r-- | arch/arm/mach-bcmring/include/mach/entry-macro.S | 86 | ||||
| -rw-r--r-- | arch/arm/mach-bcmring/include/mach/io.h | 56 | ||||
| -rw-r--r-- | arch/arm/mach-bcmring/include/mach/uncompress.h | 43 |
3 files changed, 185 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/mach/entry-macro.S b/arch/arm/mach-bcmring/include/mach/entry-macro.S new file mode 100644 index 00000000000..7d393ca010a --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/entry-macro.S @@ -0,0 +1,86 @@ +/***************************************************************************** +* Copyright 2006 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/* + * + * Low-level IRQ helper macros for BCMRing-based platforms + * + */ +#include <mach/irqs.h> +#include <mach/hardware.h> +#include <mach/csp/mm_io.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =(MM_IO_BASE_INTC0) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #IRQ_INTC0_START + cmp \irqstat, #0 + bne 1001f + + ldr \base, =(MM_IO_BASE_INTC1) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #IRQ_INTC1_START + cmp \irqstat, #0 + bne 1001f + + ldr \base, =(MM_IO_BASE_SINTC) + ldr \irqstat, [\base, #0] @ get status + ldr \irqnr, [\base, #0x10] @ mask with enable register + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #0xffffffff @ code meaning no interrupt bits set + cmp \irqstat, #0 + beq 1002f + + mov \irqnr, #IRQ_SINTC_START @ something is set, so fixup return value + +1001: + movs \tmp, \irqstat, lsl #16 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #16 + + movs \tmp, \irqstat, lsl #8 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #8 + + movs \tmp, \irqstat, lsl #4 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #4 + + movs \tmp, \irqstat, lsl #2 + movne \irqstat, \tmp + addeq \irqnr, \irqnr, #2 + + movs \tmp, \irqstat, lsl #1 + addeq \irqnr, \irqnr, #1 + orrs \base, \base, #1 + +1002: @ irqnr will be set to 0xffffffff if no irq bits are set + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro irq_prio_table + .endm + diff --git a/arch/arm/mach-bcmring/include/mach/io.h b/arch/arm/mach-bcmring/include/mach/io.h new file mode 100644 index 00000000000..4db0eff9035 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/io.h @@ -0,0 +1,56 @@ +/* + * + * Copyright (C) 1999 ARM Limited + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#include <mach/hardware.h> + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) ((void __iomem *)HW_IO_PHYS_TO_VIRT(a)) + +/* Do not enable mem_pci for a big endian arm architecture or unexpected byteswaps will */ +/* happen in readw/writew etc. */ + +#define readb(c) __raw_readb(c) +#define readw(c) __raw_readw(c) +#define readl(c) __raw_readl(c) +#define readb_relaxed(addr) readb(addr) +#define readw_relaxed(addr) readw(addr) +#define readl_relaxed(addr) readl(addr) + +#define readsb(p, d, l) __raw_readsb(p, d, l) +#define readsw(p, d, l) __raw_readsw(p, d, l) +#define readsl(p, d, l) __raw_readsl(p, d, l) + +#define writeb(v, c) __raw_writeb(v, c) +#define writew(v, c) __raw_writew(v, c) +#define writel(v, c) __raw_writel(v, c) + +#define writesb(p, d, l) __raw_writesb(p, d, l) +#define writesw(p, d, l) __raw_writesw(p, d, l) +#define writesl(p, d, l) __raw_writesl(p, d, l) + +#define memset_io(c, v, l) _memset_io((c), (v), (l)) +#define memcpy_fromio(a, c, l) _memcpy_fromio((a), (c), (l)) +#define memcpy_toio(c, a, l) _memcpy_toio((c), (a), (l)) + +#define eth_io_copy_and_sum(s, c, l, b) eth_copy_and_sum((s), (c), (l), (b)) + +#endif diff --git a/arch/arm/mach-bcmring/include/mach/uncompress.h b/arch/arm/mach-bcmring/include/mach/uncompress.h new file mode 100644 index 00000000000..9c9821b7797 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/uncompress.h @@ -0,0 +1,43 @@ +/***************************************************************************** +* Copyright 2005 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ +#include <mach/csp/mm_addr.h> + +#define BCMRING_UART_0_DR (*(volatile unsigned int *)MM_ADDR_IO_UARTA) +#define BCMRING_UART_0_FR (*(volatile unsigned int *)(MM_ADDR_IO_UARTA + 0x18)) +/* + * This does not append a newline + */ +static inline void putc(int c) +{ + /* Send out UARTA */ + while (BCMRING_UART_0_FR & (1 << 5)) + ; + + BCMRING_UART_0_DR = c; +} + + +static inline void flush(void) +{ + /* Wait for the tx fifo to be empty */ + while ((BCMRING_UART_0_FR & (1 << 7)) == 0) + ; + + /* Wait for the final character to be sent on the txd line */ + while (BCMRING_UART_0_FR & (1 << 3)) + ; +} + +#define arch_decomp_setup() +#define arch_decomp_wdog() |