diff options
| author |   Josh Cartwright <josh.cartwright@ni.com> | 2012-11-19 10:16:01 -0600 |
|---|---|---|
| committer |   Michal Simek <michal.simek@xilinx.com> | 2012-11-21 10:52:05 +0100 |
| commit | 385f02b1696004461d89589e69ae7247081a74a2 (patch) | |
| tree | e0dcb931d728fae053f01994d60288c73414a2f5 /arch/arm/mach-zynq | |
| parent | ARM: zynq: remove TTC early mapping (diff) | |
| download | linux-dev-385f02b1696004461d89589e69ae7247081a74a2.tar.xz linux-dev-385f02b1696004461d89589e69ae7247081a74a2.zip | |
ARM: zynq: make use of debug_ll_io_init()
Convert low-level debugging routines to make use of debug_ll_io_init().
This is part of the preparation for ARCH_MULTIPLATFORM support for Zynq.
Signed-off-by: Josh Cartwright <josh.cartwright@ni.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/arm/mach-zynq')
| -rw-r--r-- | arch/arm/mach-zynq/common.c | 25 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/debug-macro.S | 36 |
2 files changed, 7 insertions, 54 deletions
diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c index 2202f67c8a09..a2f48daa11ca 100644 --- a/arch/arm/mach-zynq/common.c +++ b/arch/arm/mach-zynq/common.c @@ -72,23 +72,11 @@ static void __init xilinx_irq_init(void) * running include the GIC, UART and Timer Counter. */ -static struct map_desc io_desc[] __initdata = { - { - .virtual = SCU_PERIPH_VIRT, - .pfn = __phys_to_pfn(SCU_PERIPH_PHYS), - .length = SCU_PERIPH_SIZE, - .type = MT_DEVICE, - }, - -#ifdef CONFIG_DEBUG_LL - { - .virtual = LL_UART_VADDR, - .pfn = __phys_to_pfn(LL_UART_PADDR), - .length = UART_SIZE, - .type = MT_DEVICE, - }, -#endif - +static struct map_desc scu_desc __initdata = { + .virtual = SCU_PERIPH_VIRT, + .pfn = __phys_to_pfn(SCU_PERIPH_PHYS), + .length = SCU_PERIPH_SIZE, + .type = MT_DEVICE, }; static void __init xilinx_zynq_timer_init(void) @@ -117,7 +105,8 @@ static struct sys_timer xttcpss_sys_timer = { */ static void __init xilinx_map_io(void) { - iotable_init(io_desc, ARRAY_SIZE(io_desc)); + debug_ll_io_init(); + iotable_init(&scu_desc, 1); } static const char *xilinx_dt_match[] = { diff --git a/arch/arm/mach-zynq/include/mach/debug-macro.S b/arch/arm/mach-zynq/include/mach/debug-macro.S deleted file mode 100644 index 3ab0be1f6191..000000000000 --- a/arch/arm/mach-zynq/include/mach/debug-macro.S +++ /dev/null @@ -1,36 +0,0 @@ -/* arch/arm/mach-zynq/include/mach/debug-macro.S - * - * Debugging macro include header - * - * Copyright (C) 2011 Xilinx - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#include <mach/zynq_soc.h> -#include <mach/uart.h> - - .macro addruart, rp, rv, tmp - ldr \rp, =LL_UART_PADDR @ physical - ldr \rv, =LL_UART_VADDR @ virtual - .endm - - .macro senduart,rd,rx - str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA - .endm - - .macro waituart,rd,rx - .endm - - .macro busyuart,rd,rx -1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register - tst \rd, #UART_SR_TXFULL @ - bne 1002b @ wait if FIFO is full - .endm |