diff options
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/tty/serial/lpc32xx_hs.c | 37 |
2 files changed, 6 insertions, 34 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 2f631501c75f..514169eb1859 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -739,7 +739,8 @@ config SERIAL_PNX8XXX_CONSOLE config SERIAL_HS_LPC32XX tristate "LPC32XX high speed serial port support" - depends on ARCH_LPC32XX && OF + depends on ARCH_LPC32XX || COMPILE_TEST + depends on OF select SERIAL_CORE help Support for the LPC32XX high speed serial ports (up to 900kbps). diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c index f4e27d0ad947..d3843f722182 100644 --- a/drivers/tty/serial/lpc32xx_hs.c +++ b/drivers/tty/serial/lpc32xx_hs.c @@ -25,8 +25,8 @@ #include <linux/irq.h> #include <linux/gpio.h> #include <linux/of.h> -#include <mach/platform.h> -#include <mach/hardware.h> +#include <linux/sizes.h> +#include <linux/soc/nxp/lpc32xx-misc.h> /* * High Speed UART register offsets @@ -81,6 +81,8 @@ #define LPC32XX_HSU_TX_TL8B (0x2 << 0) #define LPC32XX_HSU_TX_TL16B (0x3 << 0) +#define LPC32XX_MAIN_OSC_FREQ 13000000 + #define MODNAME "lpc32xx_hsuart" struct lpc32xx_hsuart_port { @@ -151,8 +153,6 @@ static void lpc32xx_hsuart_console_write(struct console *co, const char *s, local_irq_restore(flags); } -static void lpc32xx_loopback_set(resource_size_t mapbase, int state); - static int __init lpc32xx_hsuart_console_setup(struct console *co, char *options) { @@ -439,35 +439,6 @@ static void serial_lpc32xx_break_ctl(struct uart_port *port, spin_unlock_irqrestore(&port->lock, flags); } -/* LPC3250 Errata HSUART.1: Hang workaround via loopback mode on inactivity */ -static void lpc32xx_loopback_set(resource_size_t mapbase, int state) -{ - int bit; - u32 tmp; - - switch (mapbase) { - case LPC32XX_HS_UART1_BASE: - bit = 0; - break; - case LPC32XX_HS_UART2_BASE: - bit = 1; - break; - case LPC32XX_HS_UART7_BASE: - bit = 6; - break; - default: - WARN(1, "lpc32xx_hs: Warning: Unknown port at %08x\n", mapbase); - return; - } - - tmp = readl(LPC32XX_UARTCTL_CLOOP); - if (state) - tmp |= (1 << bit); - else - tmp &= ~(1 << bit); - writel(tmp, LPC32XX_UARTCTL_CLOOP); -} - /* port->lock is not held. */ static int serial_lpc32xx_startup(struct uart_port *port) { |