diff options
Diffstat (limited to 'target/linux/ramips/patches-2.6.39/101-rt288x_serial_driver_hack.patch')
| -rw-r--r-- | target/linux/ramips/patches-2.6.39/101-rt288x_serial_driver_hack.patch | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/target/linux/ramips/patches-2.6.39/101-rt288x_serial_driver_hack.patch b/target/linux/ramips/patches-2.6.39/101-rt288x_serial_driver_hack.patch deleted file mode 100644 index 07fa6632e..000000000 --- a/target/linux/ramips/patches-2.6.39/101-rt288x_serial_driver_hack.patch +++ /dev/null @@ -1,91 +0,0 @@ ---- a/drivers/tty/serial/8250.c -+++ b/drivers/tty/serial/8250.c -@@ -305,9 +305,9 @@ static const struct serial8250_config ua - }, - }; - --#if defined(CONFIG_MIPS_ALCHEMY) -+#if defined(CONFIG_MIPS_ALCHEMY) || defined (CONFIG_SERIAL_8250_RT288X) - --/* Au1x00 UART hardware has a weird register layout */ -+/* Au1x00 and RT288x UART hardware has a weird register layout */ - static const u8 au_io_in_map[] = { - [UART_RX] = 0, - [UART_IER] = 2, -@@ -597,8 +597,8 @@ static inline void _serial_dl_write(stru - serial_outp(up, UART_DLM, value >> 8 & 0xff); - } - --#if defined(CONFIG_MIPS_ALCHEMY) --/* Au1x00 haven't got a standard divisor latch */ -+#if defined(CONFIG_MIPS_ALCHEMY) || defined (CONFIG_SERIAL_8250_RT288X) -+/* Au1x00 and RT288x haven't got a standard divisor latch */ - static int serial_dl_read(struct uart_8250_port *up) - { - if (up->port.iotype == UPIO_AU) -@@ -805,22 +805,19 @@ static int size_fifo(struct uart_8250_po - */ - static unsigned int autoconfig_read_divisor_id(struct uart_8250_port *p) - { -- unsigned char old_dll, old_dlm, old_lcr; -+ unsigned char old_lcr; -+ unsigned int old_dl; - unsigned int id; - - old_lcr = serial_inp(p, UART_LCR); - serial_outp(p, UART_LCR, UART_LCR_CONF_MODE_A); - -- old_dll = serial_inp(p, UART_DLL); -- old_dlm = serial_inp(p, UART_DLM); -+ old_dl = serial_dl_read(p); - -- serial_outp(p, UART_DLL, 0); -- serial_outp(p, UART_DLM, 0); -+ serial_dl_write(p, 0); -+ id = serial_dl_read(p); - -- id = serial_inp(p, UART_DLL) | serial_inp(p, UART_DLM) << 8; -- -- serial_outp(p, UART_DLL, old_dll); -- serial_outp(p, UART_DLM, old_dlm); -+ serial_dl_write(p, old_dl); - serial_outp(p, UART_LCR, old_lcr); - - return id; -@@ -946,7 +943,7 @@ static int broken_efr(struct uart_8250_p - /* - * Exar ST16C2550 "A2" devices incorrectly detect as - * having an EFR, and report an ID of 0x0201. See -- * http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-11/4812.html -+ * http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-11/4812.html - */ - if (autoconfig_read_divisor_id(up) == 0x0201 && size_fifo(up) == 16) - return 1; ---- a/drivers/tty/serial/Kconfig -+++ b/drivers/tty/serial/Kconfig -@@ -258,6 +258,14 @@ config SERIAL_8250_ACORN - system, say Y to this option. The driver can handle 1, 2, or 3 port - cards. If unsure, say N. - -+config SERIAL_8250_RT288X -+ bool "Ralink RT288x/RT305x/RT3883 serial port support" -+ depends on SERIAL_8250 != n && (SOC_RT288X || SOC_RT305X || SOC_RT3883) -+ help -+ If you have a Ralink RT288x/RT305x SoC based board and want to use the -+ serial port, say Y to this option. The driver can handle up to 2 serial -+ ports. If unsure, say N. -+ - config SERIAL_8250_RM9K - bool "Support for MIPS RM9xxx integrated serial port" - depends on SERIAL_8250 != n && SERIAL_RM9000 ---- a/include/linux/serial_core.h -+++ b/include/linux/serial_core.h -@@ -311,7 +311,7 @@ struct uart_port { - #define UPIO_HUB6 (1) - #define UPIO_MEM (2) - #define UPIO_MEM32 (3) --#define UPIO_AU (4) /* Au1x00 type IO */ -+#define UPIO_AU (4) /* Au1x00 and RT288x type IO */ - #define UPIO_TSI (5) /* Tsi108/109 type IO */ - #define UPIO_DWAPB (6) /* DesignWare APB UART */ - #define UPIO_RM9000 (7) /* RM9000 type IO */ |