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arm: dts: ti_lm3s6965: Add device tree support for Stellaris UART

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Converted Stellaris UART driver over to utilize device tree generated
defines.  Added a yaml description for the uart, and converted over the
ti_lm3s6965 SoC & qemu_cortex_m3 board port over to utilize it.

Change-Id: Ie20844eb63d2c68eb59ad4160f7f5b5a35e2943b
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2017-04-28 11:34:06 -05:00
commit ac0bb050dd
7 changed files with 86 additions and 95 deletions
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20
arch/arm/soc/ti_lm3s6965/Kconfig.defconfig
View file

@ -26,31 +26,11 @@ if UART_STELLARIS
config UART_STELLARIS_PORT_0
def_bool y
if UART_STELLARIS_PORT_0
config UART_STELLARIS_PORT_0_IRQ_PRI
default 3
config UART_STELLARIS_PORT_0_BAUD_RATE
default 115200
endif
config UART_STELLARIS_PORT_1
def_bool y
if UART_STELLARIS_PORT_1
config UART_STELLARIS_PORT_1_IRQ_PRI
default 3
config UART_STELLARIS_PORT_1_BAUD_RATE
default 115200
endif
config UART_STELLARIS_PORT_2
def_bool y
if UART_STELLARIS_PORT_2
config UART_STELLARIS_PORT_2_IRQ_PRI
default 3
config UART_STELLARIS_PORT_2_BAUD_RATE
default 115200
endif
endif # UART_STELLARIS

12
arch/arm/soc/ti_lm3s6965/soc.h
View file

@ -32,8 +32,6 @@ extern "C" {
#define IRQ_GPIO_PORTC 2
#define IRQ_GPIO_PORTD 3
#define IRQ_GPIO_PORTE 4
#define IRQ_UART0 5
#define IRQ_UART1 6
#define IRQ_SSI0 7
#define IRQ_I2C0 8
#define IRQ_PWM_FAULT 9
@ -60,7 +58,6 @@ extern "C" {
#define IRQ_GPIO_PORTF 30
#define IRQ_GPIO_PORTG 31
#define IRQ_RESERVED1 32
#define IRQ_UART2 33
#define IRQ_RESERVED2 34
#define IRQ_TIMER3A 35
#define IRQ_TIMER3B 36
@ -83,15 +80,6 @@ extern "C" {
#define UART_IRQ_FLAGS 0
#define UART_STELLARIS_PORT_0_BASE_ADDR 0x4000C000
#define UART_STELLARIS_PORT_0_IRQ IRQ_UART0
#define UART_STELLARIS_PORT_1_BASE_ADDR 0x4000D000
#define UART_STELLARIS_PORT_1_IRQ IRQ_UART1
#define UART_STELLARIS_PORT_2_BASE_ADDR 0x4000E000
#define UART_STELLARIS_PORT_2_IRQ IRQ_UART2
#define UART_STELLARIS_CLK_FREQ SYSCLK_DEFAULT_IOSC_HZ
#endif /* CONFIG_UART_STELLARIS */