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author | TsiChung Liew <tsicliew@gmail.com> | 2010-03-09 19:17:52 -0600 |
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committer | TsiChung Liew <tsicliew@gmail.com> | 2010-03-24 11:09:05 -0500 |
commit | 52affe04fa5493597d8a5f6202507190950a32e6 (patch) | |
tree | 257449a1a8179215731e313e5744ed8830767628 /cpu/mcf523x | |
parent | d04c1efae3d834db6e21e9976e338bf1e588e987 (diff) | |
download | u-boot-imx-52affe04fa5493597d8a5f6202507190950a32e6.zip u-boot-imx-52affe04fa5493597d8a5f6202507190950a32e6.tar.gz u-boot-imx-52affe04fa5493597d8a5f6202507190950a32e6.tar.bz2 |
ColdFire: Update processors' serial port configuration
Provide parameter passing to uart_port_config(). Update port
configuration - un-mask it before enable the bits.
Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
Diffstat (limited to 'cpu/mcf523x')
-rw-r--r-- | cpu/mcf523x/cpu_init.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/cpu/mcf523x/cpu_init.c b/cpu/mcf523x/cpu_init.c index 3c04fd4..0f299f0 100644 --- a/cpu/mcf523x/cpu_init.c +++ b/cpu/mcf523x/cpu_init.c @@ -130,21 +130,32 @@ int cpu_init_r(void) return (0); } -void uart_port_conf(void) +void uart_port_conf(int port) { volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; /* Setup Ports: */ - switch (CONFIG_SYS_UART_PORT) { + switch (port) { case 0: - gpio->par_uart = (GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); + gpio->par_uart &= ~(GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); + gpio->par_uart |= (GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); break; case 1: - gpio->par_uart = - (GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD); + gpio->par_uart &= + ~(GPIO_PAR_UART_U1RXD_MASK | GPIO_PAR_UART_U1TXD_MASK); + gpio->par_uart |= + (GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD); break; case 2: - gpio->par_timer = (GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); +#ifdef CONFIG_SYS_UART2_PRI_GPIO + gpio->par_uart &= ~(GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); + gpio->par_uart |= (GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); +#elif defined(CONFIG_SYS_UART2_ALT1_GPIO) + gpio->feci2c &= + ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); + gpio->feci2c |= + (GPIO_PAR_FECI2C_EMDC_U2TXD | GPIO_PAR_FECI2C_EMDIO_U2RXD); +#endif break; } } @@ -156,7 +167,8 @@ int fecpin_setclear(struct eth_device *dev, int setclear) if (setclear) { gpio->par_feci2c |= - (GPIO_PAR_FECI2C_EMDC_FECEMDC | GPIO_PAR_FECI2C_EMDIO_FECEMDIO); + (GPIO_PAR_FECI2C_EMDC_FECEMDC | + GPIO_PAR_FECI2C_EMDIO_FECEMDIO); } else { gpio->par_feci2c &= ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); |