[U-Boot] [PATCH v2 4/4] am335x_evm: Enable use of UART{1,2,3,4,5}
Andrew Bradford
andrew at bradfordembedded.com
Mon Oct 22 21:23:29 CEST 2012
Add targets of am335x_evm_uart{1,2,3,4,5} to have serial input/output on
UART{1,2,3,4,5} for use with the Beaglebone RS232 cape, am335x_evm
daughterboard, and other custom configurations.
Signed-off-by: Andrew Bradford <andrew at bradfordembedded.com>
Tested-by: Matt Porter <mporter at ti.com>
---
Changes from v1:
Add UART3 target and register location
boards.cfg | 5 +++++
include/configs/am335x_evm.h | 33 ++++++++++++++++++++++++++++++++-
2 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/boards.cfg b/boards.cfg
index df62251..0944690 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -226,6 +226,11 @@ integratorap_cm946es arm arm946es integrator armltd
integratorcp_cm946es arm arm946es integrator armltd - integratorcp:CM946ES
ca9x4_ct_vxp arm armv7 vexpress armltd
am335x_evm arm armv7 am335x ti am33xx
+am335x_evm_uart1 arm armv7 am335x ti am33xx am335x_evm:AM33XX_UART_SELECT=1
+am335x_evm_uart2 arm armv7 am335x ti am33xx am335x_evm:AM33XX_UART_SELECT=2
+am335x_evm_uart3 arm armv7 am335x ti am33xx am335x_evm:AM33XX_UART_SELECT=3
+am335x_evm_uart4 arm armv7 am335x ti am33xx am335x_evm:AM33XX_UART_SELECT=4
+am335x_evm_uart5 arm armv7 am335x ti am33xx am335x_evm:AM33XX_UART_SELECT=5
highbank arm armv7 highbank - highbank
mx51_efikamx arm armv7 mx51_efikamx genesi mx5 mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKAMX,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_mx.cfg
mx51_efikasb arm armv7 mx51_efikamx genesi mx5 mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKASB,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_sb.cfg
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 339d4bd..d138e45 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -158,9 +158,15 @@
/* NS16550 Configuration */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SERIAL_MULTI
#define CONFIG_SYS_NS16550_REG_SIZE (-4)
#define CONFIG_SYS_NS16550_CLK (48000000)
#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
+#define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
+#define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */
+#define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
+#define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */
+#define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */
/* I2C Configuration */
#define CONFIG_I2C
@@ -182,11 +188,36 @@
#define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
+#define CONFIG_ENV_OVERWRITE 1
+
/*
- * select serial console configuration
+ * select serial console configuration, uart0 always enabled
*/
#define CONFIG_SERIAL1 1
+#ifndef CONFIG_AM33XX_UART_SELECT
#define CONFIG_CONS_INDEX 1
+#endif /* CONFIG_AM33XX_UART_SELECT */
+
+#if CONFIG_AM33XX_UART_SELECT == 1
+#define CONFIG_SERIAL2 1
+#define CONFIG_CONS_INDEX 2
+#endif /* CONFIG_AM33XX_UART_SELECT == 1 */
+#if CONFIG_AM33XX_UART_SELECT == 2
+#define CONFIG_SERIAL3 1
+#define CONFIG_CONS_INDEX 3
+#endif /* CONFIG_AM33XX_UART_SELECT == 2 */
+#if CONFIG_AM33XX_UART_SELECT == 3
+#define CONFIG_SERIAL4 1
+#define CONFIG_CONS_INDEX 4
+#endif /* CONFIG_AM33XX_UART_SELECT == 3 */
+#if CONFIG_AM33XX_UART_SELECT == 4
+#define CONFIG_SERIAL5 1
+#define CONFIG_CONS_INDEX 5
+#endif /* CONFIG_AM33XX_UART_SELECT == 4 */
+#if CONFIG_AM33XX_UART_SELECT == 5
+#define CONFIG_SERIAL6 1
+#define CONFIG_CONS_INDEX 6
+#endif /* CONFIG_AM33XX_UART_SELECT == 5 */
#define CONFIG_SYS_CONSOLE_INFO_QUIET
#define CONFIG_ENV_IS_NOWHERE
--
1.7.10.4
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