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Diffstat (limited to 'target/linux/ramips/patches-2.6.37/101-rt288x_serial_driver_hack.patch')
-rw-r--r--target/linux/ramips/patches-2.6.37/101-rt288x_serial_driver_hack.patch82
1 files changed, 0 insertions, 82 deletions
diff --git a/target/linux/ramips/patches-2.6.37/101-rt288x_serial_driver_hack.patch b/target/linux/ramips/patches-2.6.37/101-rt288x_serial_driver_hack.patch
deleted file mode 100644
index 441f983856..0000000000
--- a/target/linux/ramips/patches-2.6.37/101-rt288x_serial_driver_hack.patch
+++ /dev/null
@@ -1,82 +0,0 @@
---- a/drivers/serial/8250.c
-+++ b/drivers/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,
-@@ -571,8 +571,8 @@ 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)
-@@ -779,22 +779,19 @@ 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_DLAB);
-
-- 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;
---- a/drivers/serial/Kconfig
-+++ b/drivers/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 serial port support"
-+ depends on SERIAL_8250 != n && (SOC_RT288X || SOC_RT305X)
-+ 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
-@@ -307,7 +307,7 @@ 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 */