diff options
Diffstat (limited to 'drivers/serial/serial_zynq.c')
| -rw-r--r-- | drivers/serial/serial_zynq.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c index 22c6bf0..53a8af0 100644 --- a/drivers/serial/serial_zynq.c +++ b/drivers/serial/serial_zynq.c @@ -6,6 +6,7 @@ */ #include <common.h> +#include <fdtdec.h> #include <watchdog.h> #include <asm/io.h> #include <linux/compiler.h> @@ -13,6 +14,8 @@ #include <asm/arch/clk.h> #include <asm/arch/hardware.h> +DECLARE_GLOBAL_DATA_PTR; + #define ZYNQ_UART_SR_TXFULL 0x00000010 /* TX FIFO full */ #define ZYNQ_UART_SR_RXEMPTY 0x00000002 /* RX FIFO empty */ @@ -182,6 +185,30 @@ DECLARE_PSSERIAL_FUNCTIONS(1); struct serial_device uart_zynq_serial1_device = INIT_PSSERIAL_STRUCTURE(1, "ttyPS1"); +#ifdef CONFIG_OF_CONTROL +__weak struct serial_device *default_serial_console(void) +{ + const void *blob = gd->fdt_blob; + int node; + unsigned int base_addr; + + node = fdt_path_offset(blob, "serial0"); + if (node < 0) + return NULL; + + base_addr = fdtdec_get_addr(blob, node, "reg"); + if (base_addr == FDT_ADDR_T_NONE) + return NULL; + + if (base_addr == ZYNQ_SERIAL_BASEADDR0) + return &uart_zynq_serial0_device; + + if (base_addr == ZYNQ_SERIAL_BASEADDR1) + return &uart_zynq_serial1_device; + + return NULL; +} +#else __weak struct serial_device *default_serial_console(void) { #if defined(CONFIG_ZYNQ_SERIAL_UART0) @@ -194,6 +221,7 @@ __weak struct serial_device *default_serial_console(void) #endif return NULL; } +#endif void zynq_serial_initalize(void) { |