From 7498ed6627f615b3416cfcd1aead76e132055c00 Mon Sep 17 00:00:00 2001
From: Huibin Hong <huibin.hong@rock-chips.com>
Date: Wed, 16 Sep 2015 19:28:21 +0800
Subject: [PATCH] fiq debugger: driver update
MIME-Version: 1.0
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1. Change fiq debugger trigger mode, enter âfiqâ instead of
F5 with SecureCRT
Change-Id: I3b52ad435af3211675a8416c6e016147886def8d
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
---
arch/arm/mach-rockchip/rk_fiq_debugger.c | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-rockchip/rk_fiq_debugger.c b/arch/arm/mach-rockchip/rk_fiq_debugger.c
index 56e4d7471b32..105a9a5f4f46 100755
--- a/arch/arm/mach-rockchip/rk_fiq_debugger.c
+++ b/arch/arm/mach-rockchip/rk_fiq_debugger.c
@@ -126,6 +126,9 @@ static int debug_getc(struct platform_device *pdev)
{
unsigned int lsr;
struct rk_fiq_debugger *t;
+ unsigned int temp;
+ static unsigned int n;
+ static char buf[32];
t = container_of(dev_get_platdata(&pdev->dev), typeof(*t), pdata);
@@ -133,11 +136,23 @@ static int debug_getc(struct platform_device *pdev)
if (lsr & UART_LSR_BI || t->break_seen) {
t->break_seen = false;
- return FIQ_DEBUGGER_BREAK;
+ return FIQ_DEBUGGER_NO_CHAR;
}
- if (lsr & UART_LSR_DR)
- return rk_fiq_read(t, UART_RX);
+ if (lsr & UART_LSR_DR) {
+ temp = rk_fiq_read(t, UART_RX);
+ buf[n & 0x1f] = temp;
+ n++;
+ if (temp == 'q' && n > 2) {
+ if ((buf[(n - 2) & 0x1f] == 'i') &&
+ (buf[(n - 3) & 0x1f] == 'f'))
+ return FIQ_DEBUGGER_BREAK;
+ else
+ return temp;
+ } else {
+ return temp;
+ }
+ }
return FIQ_DEBUGGER_NO_CHAR;
}
--
2.34.1