From c53c9cf60e49119e97d38390849cac5b2f0a0981 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Fri, 11 May 2007 21:01:28 +0100 Subject: [ARM] 4331/3: Support for Micrel/Kendin KS8695 processor Add core support for the Kendin/Micrel KS8695 processor family. It is an ARM922-T based SoC with integrated USART, 4-port Ethernet Switch, WAN Ethernet port, and optional PCI Host bridge, etc. http://www.micrel.com/page.do?page=product-info/sys_on_chip.jsp This patch is based on earlier patches from Lennert Buytenhek, Ben Dooks and Greg Ungerer posted to the arm-linux-kernel mailing list in March 2006; and Micrel's 2.6.9 port. Signed-off-by: Andrew Victor Signed-off-by: Russell King --- include/asm-arm/arch-ks8695/debug-macro.S | 38 +++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 include/asm-arm/arch-ks8695/debug-macro.S (limited to 'include/asm-arm/arch-ks8695/debug-macro.S') diff --git a/include/asm-arm/arch-ks8695/debug-macro.S b/include/asm-arm/arch-ks8695/debug-macro.S new file mode 100644 index 000000000000..cd5f2fb1f06e --- /dev/null +++ b/include/asm-arm/arch-ks8695/debug-macro.S @@ -0,0 +1,38 @@ +/* + * include/asm-arm/arch-ks8695/debug-macro.S + * + * Copyright (C) 2006 Ben Dooks + * Copyright (C) 2006 Simtec Electronics + * + * KS8695 - Debug macros + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include + + .macro addruart, rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =KS8695_UART_PA @ physical base address + ldrne \rx, =KS8695_UART_VA @ virtual base address + .endm + + .macro senduart, rd, rx + str \rd, [\rx, #KS8695_URTH] @ Write to Transmit Holding Register + .endm + + .macro busyuart, rd, rx +1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register + tst \rd, #URLS_URTE @ Holding & Shift registers empty? + beq 1001b + .endm + + .macro waituart, rd, rx +1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register + tst \rd, #URLS_URTHRE @ Holding Register empty? + beq 1001b + .endm -- cgit v1.2.1