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| author | Andrew Bradford <andrew@bradfordembedded.com> | 2012-10-25 08:21:30 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-10-25 14:54:50 -0700 |
| commit | 6422b70bd511483231955431e6cb66546266acdc (patch) | |
| tree | b6528d21fa10bc85b4ff3657023327b6cafe39d7 /board/ti | |
| parent | 25164218b7c2abc3316c2a3ba7247487b4c81541 (diff) | |
| download | u-boot-imx-6422b70bd511483231955431e6cb66546266acdc.zip u-boot-imx-6422b70bd511483231955431e6cb66546266acdc.tar.gz u-boot-imx-6422b70bd511483231955431e6cb66546266acdc.tar.bz2 | |
am33xx: Enable UART{1,2,3,4,5} pin-mux
If configured to use UART{1,2,3,4,5} such as on the Beaglebone RS232
cape or on the am335x_evm daughterboard, enable the proper pin-muxing.
Signed-off-by: Andrew Bradford <andrew@bradfordembedded.com>
Diffstat (limited to 'board/ti')
| -rw-r--r-- | board/ti/am335x/board.c | 17 | ||||
| -rw-r--r-- | board/ti/am335x/board.h | 5 | ||||
| -rw-r--r-- | board/ti/am335x/mux.c | 54 |
3 files changed, 76 insertions, 0 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index 5d279ec..013ad88 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -242,7 +242,24 @@ void s_init(void) /* UART softreset */ u32 regVal; +#ifdef CONFIG_SERIAL1 enable_uart0_pin_mux(); +#endif /* CONFIG_SERIAL1 */ +#ifdef CONFIG_SERIAL2 + enable_uart1_pin_mux(); +#endif /* CONFIG_SERIAL2 */ +#ifdef CONFIG_SERIAL3 + enable_uart2_pin_mux(); +#endif /* CONFIG_SERIAL3 */ +#ifdef CONFIG_SERIAL4 + enable_uart3_pin_mux(); +#endif /* CONFIG_SERIAL4 */ +#ifdef CONFIG_SERIAL5 + enable_uart4_pin_mux(); +#endif /* CONFIG_SERIAL5 */ +#ifdef CONFIG_SERIAL6 + enable_uart5_pin_mux(); +#endif /* CONFIG_SERIAL6 */ regVal = readl(&uart_base->uartsyscfg); regVal |= UART_RESET; diff --git a/board/ti/am335x/board.h b/board/ti/am335x/board.h index 7985ab2..48e112e 100644 --- a/board/ti/am335x/board.h +++ b/board/ti/am335x/board.h @@ -44,6 +44,11 @@ struct am335x_baseboard_id { * is required on the board. */ void enable_uart0_pin_mux(void); +void enable_uart1_pin_mux(void); +void enable_uart2_pin_mux(void); +void enable_uart3_pin_mux(void); +void enable_uart4_pin_mux(void); +void enable_uart5_pin_mux(void); void enable_i2c0_pin_mux(void); void enable_board_pin_mux(struct am335x_baseboard_id *header); #endif diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c index 2992979..6a5f23a 100644 --- a/board/ti/am335x/mux.c +++ b/board/ti/am335x/mux.c @@ -27,6 +27,36 @@ static struct module_pin_mux uart0_pin_mux[] = { {-1}, }; +static struct module_pin_mux uart1_pin_mux[] = { + {OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART1_RXD */ + {OFFSET(uart1_txd), (MODE(0) | PULLUDEN)}, /* UART1_TXD */ + {-1}, +}; + +static struct module_pin_mux uart2_pin_mux[] = { + {OFFSET(spi0_sclk), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART2_RXD */ + {OFFSET(spi0_d0), (MODE(1) | PULLUDEN)}, /* UART2_TXD */ + {-1}, +}; + +static struct module_pin_mux uart3_pin_mux[] = { + {OFFSET(spi0_cs1), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART3_RXD */ + {OFFSET(ecap0_in_pwm0_out), (MODE(1) | PULLUDEN)}, /* UART3_TXD */ + {-1}, +}; + +static struct module_pin_mux uart4_pin_mux[] = { + {OFFSET(gpmc_wait0), (MODE(6) | PULLUP_EN | RXACTIVE)}, /* UART4_RXD */ + {OFFSET(gpmc_wpn), (MODE(6) | PULLUDEN)}, /* UART4_TXD */ + {-1}, +}; + +static struct module_pin_mux uart5_pin_mux[] = { + {OFFSET(lcd_data9), (MODE(4) | PULLUP_EN | RXACTIVE)}, /* UART5_RXD */ + {OFFSET(lcd_data8), (MODE(4) | PULLUDEN)}, /* UART5_TXD */ + {-1}, +}; + static struct module_pin_mux mmc0_pin_mux[] = { {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */ {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */ @@ -135,6 +165,30 @@ void enable_uart0_pin_mux(void) configure_module_pin_mux(uart0_pin_mux); } +void enable_uart1_pin_mux(void) +{ + configure_module_pin_mux(uart1_pin_mux); +} + +void enable_uart2_pin_mux(void) +{ + configure_module_pin_mux(uart2_pin_mux); +} + +void enable_uart3_pin_mux(void) +{ + configure_module_pin_mux(uart3_pin_mux); +} + +void enable_uart4_pin_mux(void) +{ + configure_module_pin_mux(uart4_pin_mux); +} + +void enable_uart5_pin_mux(void) +{ + configure_module_pin_mux(uart5_pin_mux); +} void enable_i2c0_pin_mux(void) { |