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TI816X: Add low level debug support

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This patch adds support for low level debugging on TI816X boards. Currently the
support for UART3 console on TI816X EVM is added.

Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Hemant Pedanekar
2011-02-15 23:06:17 +05:30
committed by Tony Lindgren
parent 2c87fb2e64
commit 4d887a250d
3 changed files with 27 additions and 0 deletions
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12
arch/arm/mach-omap2/include/mach/debug-macro.S
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@@ -69,6 +69,12 @@ omap_uart_lsr: .word 0
beq 34f @ configure OMAP3UART4
cmp \rp, #OMAP4UART4 @ only on 44xx
beq 44f @ configure OMAP4UART4
cmp \rp, #TI816XUART1 @ ti816x UART offsets different
beq 81f @ configure UART1
cmp \rp, #TI816XUART2 @ ti816x UART offsets different
beq 82f @ configure UART2
cmp \rp, #TI816XUART3 @ ti816x UART offsets different
beq 83f @ configure UART3
cmp \rp, #ZOOM_UART @ only on zoom2/3
beq 95f @ configure ZOOM_UART
@@ -91,6 +97,12 @@ omap_uart_lsr: .word 0
b 98f
44: mov \rp, #UART_OFFSET(OMAP4_UART4_BASE)
b 98f
81: mov \rp, #UART_OFFSET(TI816X_UART1_BASE)
b 98f
82: mov \rp, #UART_OFFSET(TI816X_UART2_BASE)
b 98f
83: mov \rp, #UART_OFFSET(TI816X_UART3_BASE)
b 98f
95: ldr \rp, =ZOOM_UART_BASE
mrc p15, 0, \rv, c1, c0
tst \rv, #1 @ MMU enabled?