From 585cf17561d3174a745bec49c422c1a621c95fc4 Mon Sep 17 00:00:00 2001 From: Tzachi Perelstein Date: Tue, 23 Oct 2007 15:14:41 -0400 Subject: [ARM] basic support for the Marvell Orion SoC family The Marvell Orion is a family of ARM SoCs with a DDR/DDR2 memory controller, 10/100/1000 ethernet MAC, and USB 2.0 interfaces, and, depending on the specific model, PCI-E interface, PCI-X interface, SATA controllers, crypto unit, SPI interface, SDIO interface, device bus, NAND controller, DMA engine and/or XOR engine. This contains the basic structure and architecture register definitions. Signed-off-by: Tzachi Perelstein Reviewed-by: Nicolas Pitre Reviewed-by: Lennert Buytenhek Acked-by: Russell King --- include/asm-arm/arch-orion/entry-macro.S | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 include/asm-arm/arch-orion/entry-macro.S (limited to 'include/asm-arm/arch-orion/entry-macro.S') diff --git a/include/asm-arm/arch-orion/entry-macro.S b/include/asm-arm/arch-orion/entry-macro.S new file mode 100644 index 000000000000..b76075a7e44b --- /dev/null +++ b/include/asm-arm/arch-orion/entry-macro.S @@ -0,0 +1,31 @@ +/* + * include/asm-arm/arch-orion/entry-macro.S + * + * Low-level IRQ helper macros for Orion platforms + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include + + .macro disable_fiq + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =MAIN_IRQ_CAUSE + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, [\base, #0] @ main cause + ldr \tmp, [\base, #(MAIN_IRQ_MASK - MAIN_IRQ_CAUSE)] @ main mask + mov \irqnr, #0 @ default irqnr + @ find cause bits that are unmasked + ands \irqstat, \irqstat, \tmp @ clear Z flag if any + clzne \irqnr, \irqstat @ calc irqnr + rsbne \irqnr, \irqnr, #31 + .endm -- cgit v1.2.3-59-g8ed1b