[PATCH 2/3] at91: switch uart registration to inline
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Fri May 25 03:08:15 EDT 2012
this allow to save between 100 to 300 bytes
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
arch/arm/mach-at91/at91rm9200_devices.c | 51 +++++--------------
arch/arm/mach-at91/at91sam9260_devices.c | 67 +++++++-----------------
arch/arm/mach-at91/at91sam9261_devices.c | 43 ++++------------
arch/arm/mach-at91/at91sam9263_devices.c | 43 ++++------------
arch/arm/mach-at91/at91sam9g45_devices.c | 51 +++++--------------
arch/arm/mach-at91/at91sam9x5_devices.c | 62 +++++------------------
arch/arm/mach-at91/include/mach/at91rm9200.h | 2 +
arch/arm/mach-at91/include/mach/at91sam9260.h | 1 +
arch/arm/mach-at91/include/mach/at91sam9261.h | 1 +
arch/arm/mach-at91/include/mach/at91sam9263.h | 1 +
arch/arm/mach-at91/include/mach/at91sam9g45.h | 1 +
arch/arm/mach-at91/include/mach/at91sam9x5.h | 1 +
arch/arm/mach-at91/include/mach/board.h | 56 ++++++++++++++++++++-
13 files changed, 146 insertions(+), 234 deletions(-)
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index a165cc9..d5268dd 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -201,13 +201,15 @@ void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata
* UART
* -------------------------------------------------------------------- */
-static inline void configure_dbgu_pins(void)
+resource_size_t __init at91_configure_dbgu(void)
{
at91_set_A_periph(AT91_PIN_PA30, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PA31, 1); /* DTXD */
+
+ return AT91_BASE_SYS + AT91_DBGU;
}
-static inline void configure_usart0_pins(unsigned pins)
+resource_size_t __init at91_configure_usart0(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PA17, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA18, 0); /* RXD0 */
@@ -222,9 +224,11 @@ static inline void configure_usart0_pins(unsigned pins)
*/
at91_set_gpio_output(AT91_PIN_PA21, 1);
}
+
+ return AT91RM9200_BASE_US0;
}
-static inline void configure_usart1_pins(unsigned pins)
+resource_size_t __init at91_configure_usart1(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB20, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PB21, 0); /* RXD1 */
@@ -241,9 +245,11 @@ static inline void configure_usart1_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PB25, 0); /* DSR1 */
if (pins & ATMEL_UART_RTS)
at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS1 */
+
+ return AT91RM9200_BASE_US1;
}
-static inline void configure_usart2_pins(unsigned pins)
+resource_size_t __init at91_configure_usart2(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PA22, 0); /* RXD2 */
at91_set_A_periph(AT91_PIN_PA23, 1); /* TXD2 */
@@ -252,9 +258,11 @@ static inline void configure_usart2_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PA30, 0); /* CTS2 */
if (pins & ATMEL_UART_RTS)
at91_set_B_periph(AT91_PIN_PA31, 0); /* RTS2 */
+
+ return AT91RM9200_BASE_US2;
}
-static inline void configure_usart3_pins(unsigned pins)
+resource_size_t __init at91_configure_usart3(unsigned pins)
{
at91_set_B_periph(AT91_PIN_PA5, 1); /* TXD3 */
at91_set_B_periph(AT91_PIN_PA6, 0); /* RXD3 */
@@ -263,37 +271,6 @@ static inline void configure_usart3_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS3 */
if (pins & ATMEL_UART_RTS)
at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */
-}
-
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins)
-{
- resource_size_t start;
-
- switch (id) {
- case 0: /* DBGU */
- configure_dbgu_pins();
- start = AT91_BASE_SYS + AT91_DBGU;
- break;
- case 1:
- configure_usart0_pins(pins);
- start = AT91RM9200_BASE_US0;
- break;
- case 2:
- configure_usart1_pins(pins);
- start = AT91RM9200_BASE_US1;
- break;
- case 3:
- configure_usart2_pins(pins);
- start = AT91RM9200_BASE_US2;
- break;
- case 4:
- configure_usart3_pins(pins);
- start = AT91RM9200_BASE_US3;
- break;
- default:
- return NULL;
- }
- return add_generic_device("atmel_usart", id, NULL, start, 4096,
- IORESOURCE_MEM, NULL);
+ return AT91RM9200_BASE_US3;
}
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 33f070a..3297a89 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -212,13 +212,15 @@ void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
-static inline void configure_dbgu_pins(void)
+resource_size_t __init at91_configure_dbgu(void)
{
at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */
+
+ return AT91_BASE_SYS + AT91_DBGU;
}
-static inline void configure_usart0_pins(unsigned pins)
+resource_size_t __init at91_configure_usart0(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
@@ -235,9 +237,11 @@ static inline void configure_usart0_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */
if (pins & ATMEL_UART_RI)
at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */
+
+ return AT91SAM9260_BASE_US0;
}
-static inline void configure_usart1_pins(unsigned pins)
+resource_size_t __init at91_configure_usart1(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
@@ -246,9 +250,11 @@ static inline void configure_usart1_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */
if (pins & ATMEL_UART_CTS)
at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */
+
+ return AT91SAM9260_BASE_US1;
}
-static inline void configure_usart2_pins(unsigned pins)
+resource_size_t __init at91_configure_usart2(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
@@ -257,9 +263,11 @@ static inline void configure_usart2_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */
if (pins & ATMEL_UART_CTS)
at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */
+
+ return AT91SAM9260_BASE_US2;
}
-static inline void configure_usart3_pins(unsigned pins)
+resource_size_t __init at91_configure_usart3(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */
at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */
@@ -268,59 +276,24 @@ static inline void configure_usart3_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */
+
+ return AT91SAM9260_BASE_US3;
}
-static inline void configure_usart4_pins(void)
+resource_size_t __init at91_configure_usart4(unsigned pins)
{
at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */
at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */
+
+ return AT91SAM9260_BASE_US4;
}
-static inline void configure_usart5_pins(void)
+resource_size_t __init at91_configure_usart5(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */
at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */
-}
-
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins)
-{
- resource_size_t start;
-
- switch (id) {
- case 0: /* DBGU */
- configure_dbgu_pins();
- start = AT91_BASE_SYS + AT91_DBGU;
- break;
- case 1:
- configure_usart0_pins(pins);
- start = AT91SAM9260_BASE_US0;
- break;
- case 2:
- configure_usart1_pins(pins);
- start = AT91SAM9260_BASE_US1;
- break;
- case 3:
- configure_usart2_pins(pins);
- start = AT91SAM9260_BASE_US2;
- break;
- case 4:
- configure_usart3_pins(pins);
- start = AT91SAM9260_BASE_US3;
- break;
- case 5:
- configure_usart4_pins();
- start = AT91SAM9260_BASE_US4;
- break;
- case 6:
- configure_usart5_pins();
- start = AT91SAM9260_BASE_US5;
- break;
- default:
- return NULL;
- }
- return add_generic_device("atmel_usart", id, NULL, start, 4096,
- IORESOURCE_MEM, NULL);
+ return AT91SAM9260_BASE_US5;
}
#if defined(CONFIG_MCI_ATMEL)
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 82d17a2..41eeeae 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -164,13 +164,15 @@ void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
-static inline void configure_dbgu_pins(void)
+resource_size_t __init at91_configure_dbgu(void)
{
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */
+
+ return AT91_BASE_SYS + AT91_DBGU;
}
-static inline void configure_usart0_pins(unsigned pins)
+resource_size_t __init at91_configure_usart0(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PC8, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PC9, 0); /* RXD0 */
@@ -179,9 +181,11 @@ static inline void configure_usart0_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PC10, 0); /* RTS0 */
if (pins & ATMEL_UART_CTS)
at91_set_A_periph(AT91_PIN_PC11, 0); /* CTS0 */
+
+ return AT91SAM9261_BASE_US0;
}
-static inline void configure_usart1_pins(unsigned pins)
+resource_size_t __init at91_configure_usart1(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PC12, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PC13, 0); /* RXD1 */
@@ -190,9 +194,11 @@ static inline void configure_usart1_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PA12, 0); /* RTS1 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PA13, 0); /* CTS1 */
+
+ return AT91SAM9261_BASE_US1;
}
-static inline void configure_usart2_pins(unsigned pins)
+resource_size_t __init at91_configure_usart2(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PC15, 0); /* RXD2 */
at91_set_A_periph(AT91_PIN_PC14, 1); /* TXD2 */
@@ -201,35 +207,8 @@ static inline void configure_usart2_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PA15, 0); /* RTS2*/
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PA16, 0); /* CTS2 */
-}
-
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins)
-{
- resource_size_t start;
-
- switch (id) {
- case 0: /* DBGU */
- configure_dbgu_pins();
- start = AT91_BASE_SYS + AT91_DBGU;
- break;
- case 1:
- configure_usart0_pins(pins);
- start = AT91SAM9261_BASE_US0;
- break;
- case 2:
- configure_usart1_pins(pins);
- start = AT91SAM9261_BASE_US1;
- break;
- case 3:
- configure_usart2_pins(pins);
- start = AT91SAM9261_BASE_US2;
- break;
- default:
- return NULL;
- }
- return add_generic_device("atmel_usart", id, NULL, start, 4096,
- IORESOURCE_MEM, NULL);
+ return AT91SAM9261_BASE_US2;
}
#if defined(CONFIG_MCI_ATMEL)
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 4500d81..2ebc4da 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -214,13 +214,15 @@ void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
-static inline void configure_dbgu_pins(void)
+resource_size_t __init at91_configure_dbgu(void)
{
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */
+
+ return AT91_BASE_SYS + AT91_DBGU;
}
-static inline void configure_usart0_pins(unsigned pins)
+resource_size_t __init at91_configure_usart0(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
@@ -229,9 +231,11 @@ static inline void configure_usart0_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PA28, 0); /* RTS0 */
if (pins & ATMEL_UART_CTS)
at91_set_A_periph(AT91_PIN_PA29, 0); /* CTS0 */
+
+ return AT91SAM9263_BASE_US0;
}
-static inline void configure_usart1_pins(unsigned pins)
+resource_size_t __init at91_configure_usart1(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
@@ -240,9 +244,11 @@ static inline void configure_usart1_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PD7, 0); /* RTS1 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PD8, 0); /* CTS1 */
+
+ return AT91SAM9263_BASE_US1;
}
-static inline void configure_usart2_pins(unsigned pins)
+resource_size_t __init at91_configure_usart2(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
@@ -251,35 +257,8 @@ static inline void configure_usart2_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PD5, 0); /* RTS2 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */
-}
-
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins)
-{
- resource_size_t start;
-
- switch (id) {
- case 0: /* DBGU */
- configure_dbgu_pins();
- start = AT91_BASE_SYS + AT91_DBGU;
- break;
- case 1:
- configure_usart0_pins(pins);
- start = AT91SAM9263_BASE_US0;
- break;
- case 2:
- configure_usart1_pins(pins);
- start = AT91SAM9263_BASE_US1;
- break;
- case 3:
- configure_usart2_pins(pins);
- start = AT91SAM9263_BASE_US2;
- break;
- default:
- return NULL;
- }
- return add_generic_device("atmel_usart", id, NULL, start, 4096,
- IORESOURCE_MEM, NULL);
+ return AT91SAM9263_BASE_US2;
}
#if defined(CONFIG_MCI_ATMEL)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 273cd0e..d406bcc 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -132,13 +132,15 @@ void at91_add_device_nand(struct atmel_nand_data *data)
void at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
-static inline void configure_dbgu_pins(void)
+resource_size_t __init at91_configure_dbgu(void)
{
at91_set_A_periph(AT91_PIN_PB12, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PB13, 1); /* DTXD */
+
+ return AT91_BASE_SYS + AT91_DBGU;
}
-static inline void configure_usart0_pins(unsigned pins)
+resource_size_t __init at91_configure_usart0(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB19, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PB18, 0); /* RXD0 */
@@ -147,9 +149,11 @@ static inline void configure_usart0_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PB17, 0); /* RTS0 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PB15, 0); /* CTS0 */
+
+ return AT91SAM9G45_BASE_US0;
}
-static inline void configure_usart1_pins(unsigned pins)
+resource_size_t __init at91_configure_usart1(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD1 */
@@ -158,9 +162,11 @@ static inline void configure_usart1_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PD16, 0); /* RTS1 */
if (pins & ATMEL_UART_CTS)
at91_set_A_periph(AT91_PIN_PD17, 0); /* CTS1 */
+
+ return AT91SAM9G45_BASE_US1;
}
-static inline void configure_usart2_pins(unsigned pins)
+resource_size_t __init at91_configure_usart2(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD2 */
@@ -169,9 +175,11 @@ static inline void configure_usart2_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PC9, 0); /* RTS2 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PC11, 0); /* CTS2 */
+
+ return AT91SAM9G45_BASE_US2;
}
-static inline void configure_usart3_pins(unsigned pins)
+resource_size_t __init at91_configure_usart3(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD3 */
at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD3 */
@@ -180,39 +188,8 @@ static inline void configure_usart3_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PA23, 0); /* RTS3 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PA24, 0); /* CTS3 */
-}
-
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins)
-{
- resource_size_t start;
-
- switch (id) {
- case 0: /* DBGU */
- configure_dbgu_pins();
- start = AT91_BASE_SYS + AT91_DBGU;
- break;
- case 1:
- configure_usart0_pins(pins);
- start = AT91SAM9G45_BASE_US0;
- break;
- case 2:
- configure_usart1_pins(pins);
- start = AT91SAM9G45_BASE_US1;
- break;
- case 3:
- configure_usart2_pins(pins);
- start = AT91SAM9G45_BASE_US2;
- break;
- case 4:
- configure_usart3_pins(pins);
- start = AT91SAM9G45_BASE_US3;
- break;
- default:
- return NULL;
- }
- return add_generic_device("atmel_usart", id, NULL, start, 4096,
- IORESOURCE_MEM, NULL);
+ return AT91SAM9G45_BASE_US3;
}
#if defined(CONFIG_MCI_ATMEL)
diff --git a/arch/arm/mach-at91/at91sam9x5_devices.c b/arch/arm/mach-at91/at91sam9x5_devices.c
index 51a2024..50bad7f 100644
--- a/arch/arm/mach-at91/at91sam9x5_devices.c
+++ b/arch/arm/mach-at91/at91sam9x5_devices.c
@@ -174,13 +174,15 @@ void __init at91_add_device_nand(struct atmel_nand_data *data) {}
* -------------------------------------------------------------------- */
#if defined(CONFIG_DRIVER_SERIAL_ATMEL)
-static inline void configure_dbgu_pins(void)
+resource_size_t __init at91_configure_dbgu(void)
{
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */
+
+ return AT91_BASE_SYS + AT91_DBGU;
}
-static inline void configure_usart0_pins(unsigned pins)
+resource_size_t __init at91_configure_usart0(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PA0, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA1, 0); /* RXD0 */
@@ -189,9 +191,11 @@ static inline void configure_usart0_pins(unsigned pins)
at91_set_A_periph(AT91_PIN_PA2, 0); /* RTS0 */
if (pins & ATMEL_UART_CTS)
at91_set_A_periph(AT91_PIN_PA3, 0); /* CTS0 */
+
+ return AT91SAM9X5_BASE_USART0;
}
-static inline void configure_usart1_pins(unsigned pins)
+resource_size_t __init at91_configure_usart1(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PA5, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PA6, 0); /* RXD1 */
@@ -200,9 +204,11 @@ static inline void configure_usart1_pins(unsigned pins)
at91_set_C_periph(AT91_PIN_PC27, 0); /* RTS1 */
if (pins & ATMEL_UART_CTS)
at91_set_C_periph(AT91_PIN_PC28, 0); /* CTS1 */
+
+ return AT91SAM9X5_BASE_USART1;
}
-static inline void configure_usart2_pins(unsigned pins)
+resource_size_t __init at91_configure_usart2(unsigned pins)
{
at91_set_A_periph(AT91_PIN_PA7, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PA8, 0); /* RXD2 */
@@ -211,9 +217,11 @@ static inline void configure_usart2_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS2 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS2 */
+
+ return AT91SAM9X5_BASE_USART2;
}
-static inline void configure_usart3_pins(unsigned pins)
+resource_size_t __init at91_configure_usart3(unsigned pins)
{
at91_set_B_periph(AT91_PIN_PC22, 1); /* TXD3 */
at91_set_B_periph(AT91_PIN_PC23, 0); /* RXD3 */
@@ -222,49 +230,7 @@ static inline void configure_usart3_pins(unsigned pins)
at91_set_B_periph(AT91_PIN_PC24, 0); /* RTS3 */
if (pins & ATMEL_UART_CTS)
at91_set_B_periph(AT91_PIN_PC25, 0); /* CTS3 */
-}
-
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins)
-{
- resource_size_t start;
- resource_size_t size = SZ_16K;
-
- switch (id) {
- case 0: /* DBGU */
- configure_dbgu_pins();
- size = 512;
- start = AT91_BASE_SYS + AT91_DBGU;
- break;
- case AT91SAM9X5_ID_USART0:
- configure_usart0_pins(pins);
- start = AT91SAM9X5_BASE_USART0;
- id = 1;
- break;
- case AT91SAM9X5_ID_USART1:
- configure_usart1_pins(pins);
- start = AT91SAM9X5_BASE_USART1;
- id = 2;
- break;
- case AT91SAM9X5_ID_USART2:
- configure_usart2_pins(pins);
- start = AT91SAM9X5_BASE_USART2;
- id = 3;
- break;
- case AT91SAM9X5_ID_USART3:
- configure_usart3_pins(pins);
- start = AT91SAM9X5_BASE_USART3;
- id = 4;
- break;
- default:
- return NULL;
- }
- return add_generic_device("atmel_usart", id, NULL, start, size,
- IORESOURCE_MEM, NULL);
-}
-#else
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins)
-{
- return NULL;
+ return AT91SAM9X5_BASE_USART3;
}
#endif
diff --git a/arch/arm/mach-at91/include/mach/at91rm9200.h b/arch/arm/mach-at91/include/mach/at91rm9200.h
index 39b1e15..2850f0d 100644
--- a/arch/arm/mach-at91/include/mach/at91rm9200.h
+++ b/arch/arm/mach-at91/include/mach/at91rm9200.h
@@ -98,6 +98,7 @@
#define AT91_USART1 AT91RM9200_BASE_US1
#define AT91_USART2 AT91RM9200_BASE_US2
#define AT91_USART3 AT91RM9200_BASE_US3
+#define AT91_NB_USART 5
#define AT91_BASE_SPI AT91RM9200_BASE_SPI
#define AT91_BASE_TWI AT91RM9200_BASE_TWI
@@ -107,6 +108,7 @@
#define AT91_MATRIX 0 /* not supported */
+
/*
* Internal Memory.
*/
diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h
index ca273cb..be07e57 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9260.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9260.h
@@ -105,6 +105,7 @@
#define AT91_USART3 AT91SAM9260_BASE_US3
#define AT91_USART4 AT91SAM9260_BASE_US4
#define AT91_USART5 AT91SAM9260_BASE_US5
+#define AT91_NB_USART 7
#define AT91_BASE_SPI AT91SAM9260_BASE_SPI0
#define AT91_BASE_TWI AT91SAM9260_BASE_TWI
diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h
index 3be8087..d51673e 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9261.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9261.h
@@ -88,6 +88,7 @@
#define AT91_USART0 AT91SAM9261_BASE_US0
#define AT91_USART1 AT91SAM9261_BASE_US1
#define AT91_USART2 AT91SAM9261_BASE_US2
+#define AT91_NB_USART 4
/*
diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h
index 64f4fcc..c8374a7 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9263.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9263.h
@@ -105,6 +105,7 @@
#define AT91_USART0 AT91SAM9263_BASE_US0
#define AT91_USART1 AT91SAM9263_BASE_US1
#define AT91_USART2 AT91SAM9263_BASE_US2
+#define AT91_NB_USART 4
#define AT91_SMC AT91_SMC0
#define AT91_SDRAMC AT91_SDRAMC0
diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h
index 18fa6c5..10f3170 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9g45.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h
@@ -116,6 +116,7 @@
#define AT91_USART1 AT91SAM9G45_BASE_US1
#define AT91_USART2 AT91SAM9G45_BASE_US2
#define AT91_USART3 AT91SAM9G45_BASE_US3
+#define AT91_NB_USART 5
/*
* Internal Memory.
diff --git a/arch/arm/mach-at91/include/mach/at91sam9x5.h b/arch/arm/mach-at91/include/mach/at91sam9x5.h
index 7d40f7c..2240710 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9x5.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9x5.h
@@ -117,6 +117,7 @@
#define AT91_USART1 AT91SAM9X5_BASE_US1
#define AT91_USART2 AT91SAM9X5_BASE_US2
#define AT91_USART3 AT91SAM9X5_BASE_US3
+#define AT91_NB_USART 5
/*
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index f45bad6..c142fee 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -21,6 +21,8 @@
#ifndef __ASM_ARCH_BOARD_H
#define __ASM_ARCH_BOARD_H
+#include <mach/hardware.h>
+#include <sizes.h>
#include <net.h>
#include <spi/spi.h>
#include <linux/mtd/mtd.h>
@@ -83,7 +85,59 @@ void at91_add_device_sdram(u32 size);
#define ATMEL_UART_DCD 0x10
#define ATMEL_UART_RI 0x20
-struct device_d * __init at91_register_uart(unsigned id, unsigned pins);
+resource_size_t __init at91_configure_dbgu(void);
+resource_size_t __init at91_configure_usart0(unsigned pins);
+resource_size_t __init at91_configure_usart1(unsigned pins);
+resource_size_t __init at91_configure_usart2(unsigned pins);
+resource_size_t __init at91_configure_usart3(unsigned pins);
+resource_size_t __init at91_configure_usart4(unsigned pins);
+resource_size_t __init at91_configure_usart5(unsigned pins);
+
+#if defined(CONFIG_DRIVER_SERIAL_ATMEL)
+static inline struct device_d * at91_register_uart(unsigned id, unsigned pins)
+{
+ resource_size_t start;
+ resource_size_t size = SZ_16K;
+
+ if (id >= AT91_NB_USART)
+ return NULL;
+
+ switch (id) {
+ case 0: /* DBGU */
+ start = at91_configure_dbgu();
+ size = 512;
+ break;
+ case 1:
+ start = at91_configure_usart0(pins);
+ break;
+ case 2:
+ start = at91_configure_usart1(pins);
+ break;
+ case 3:
+ start = at91_configure_usart2(pins);
+ break;
+ case 4:
+ start = at91_configure_usart3(pins);
+ break;
+ case 5:
+ start = at91_configure_usart4(pins);
+ break;
+ case 6:
+ start = at91_configure_usart5(pins);
+ break;
+ default:
+ return NULL;
+ }
+
+ return add_generic_device("atmel_usart", id, NULL, start, size,
+ IORESOURCE_MEM, NULL);
+}
+#else
+static inline struct device_d * at91_register_uart(unsigned id, unsigned pins)
+{
+ return NULL;
+}
+#endif
/* Multimedia Card Interface */
struct atmel_mci_platform_data {
--
1.7.9.1
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