summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-bcmring/include/mach/entry-macro.S86
-rw-r--r--arch/arm/mach-bcmring/include/mach/io.h56
-rw-r--r--arch/arm/mach-bcmring/include/mach/uncompress.h43
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()
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-29 22:03:03 +0000