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From e2d19993731b3b4b083329f3acb4538e9d94fc36 Mon Sep 17 00:00:00 2001
From: Erik Gilling <konkers@android.com>
Date: Tue, 21 Apr 2009 13:38:12 -0700
Subject: [PATCH 7/8] omap: zoom2: add external uart DEBUG_LL support to zoom2 board file
Signed-off-by: Erik Gilling <konkers@android.com>
---
arch/arm/mach-omap2/board-zoom2.c | 23 +++++++++++++++++++++--
1 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index e4bf50a..5742b55 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -16,9 +16,11 @@
#include <linux/gpio.h>
#include <linux/i2c/twl4030.h>
#include <linux/regulator/machine.h>
+#include <linux/io.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/usb.h>
@@ -27,6 +29,10 @@
#include "mmc-twl4030.h"
#include "omap3-opp.h"
+#define ZOOM2_QUART_PHYS 0x10000000
+#define ZOOM2_QUART_VIRT 0xFB000000
+#define ZOOM2_QUART_SIZE SZ_1M
+
/* Zoom2 has Qwerty keyboard*/
static int zoom2_twl4030_keymap[] = {
KEY(0, 0, KEY_E),
@@ -277,15 +283,28 @@ static void __init omap_zoom2_init(void)
usb_musb_init();
}
+static struct map_desc zoom2_io_desc[] __initdata = {
+ {
+ .virtual = ZOOM2_QUART_VIRT,
+ .pfn = __phys_to_pfn(ZOOM2_QUART_PHYS),
+ .length = ZOOM2_QUART_SIZE,
+ .type = MT_DEVICE
+ },
+};
+
static void __init omap_zoom2_map_io(void)
{
omap2_set_globals_343x();
+ iotable_init(zoom2_io_desc, ARRAY_SIZE(zoom2_io_desc));
omap2_map_common_io();
}
MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
- .phys_io = 0x48000000,
- .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ /* phys_io is only used for DEBUG_LL early printing. The Zoom2's
+ * console is on an external quad UART sitting at address 0x10000000
+ */
+ .phys_io = 0x10000000,
+ .io_pg_offst = ((0xfb000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = omap_zoom2_map_io,
.init_irq = omap_zoom2_init_irq,
--
1.6.3.2
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