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fiq debugger: driver update

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1. Change fiq debugger trigger mode, enter “fiq” instead of
F5 with SecureCRT

Change-Id: I3b52ad435af3211675a8416c6e016147886def8d
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
This commit is contained in:
Huibin Hong
2015-09-16 19:28:21 +08:00
parent dbb4cc8d6e
commit 7498ed6627
1 changed files with 18 additions and 3 deletions
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21
arch/arm/mach-rockchip/rk_fiq_debugger.c
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@@ -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;
}