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| author | Mike Frysinger <vapier@gentoo.org> | 2008-10-11 21:15:53 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-01-28 13:26:14 -0500 |
| commit | 51230e6e356ccf4c932e0c4ff54f1e49da02285c (patch) | |
| tree | d68b752f6f2be44a6296c490a7e1b326adb916e9 /cpu/blackfin | |
| parent | 4f6a313240c531042f16909a3a170ab047b95779 (diff) | |
| download | u-boot-imx-51230e6e356ccf4c932e0c4ff54f1e49da02285c.zip u-boot-imx-51230e6e356ccf4c932e0c4ff54f1e49da02285c.tar.gz u-boot-imx-51230e6e356ccf4c932e0c4ff54f1e49da02285c.tar.bz2 | |
Blackfin: add portmuxing for UARTs on the BF51x
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'cpu/blackfin')
| -rw-r--r-- | cpu/blackfin/serial.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/cpu/blackfin/serial.h b/cpu/blackfin/serial.h index ec40c26..90fceec 100644 --- a/cpu/blackfin/serial.h +++ b/cpu/blackfin/serial.h @@ -95,7 +95,16 @@ __attribute__((always_inline)) static inline void serial_do_portmux(void) { -#ifdef __ADSPBF52x__ +#if defined(__ADSPBF51x__) +# define DO_MUX(port, mux_tx, mux_rx, tx, rx) \ + bfin_write_PORT##port##_MUX((bfin_read_PORT##port##_MUX() & ~(PORT_x_MUX_##mux_tx##_MASK | PORT_x_MUX_##mux_rx##_MASK)) | PORT_x_MUX_##mux_tx##_FUNC_2 | PORT_x_MUX_##mux_rx##_FUNC_2); \ + bfin_write_PORT##port##_FER(bfin_read_PORT##port##_FER() | P##port##tx | P##port##rx); + switch (CONFIG_UART_CONSOLE) { + case 0: DO_MUX(G, 5, 5, 9, 10); break; /* Port G; mux 5; PG9 and PG10 */ + case 1: DO_MUX(F, 2, 3, 14, 15); break; /* Port H; mux 2/3; PH14 and PH15 */ + } + SSYNC(); +#elif defined(__ADSPBF52x__) # define DO_MUX(port, mux, tx, rx) \ bfin_write_PORT##port##_MUX((bfin_read_PORT##port##_MUX() & ~PORT_x_MUX_##mux##_MASK) | PORT_x_MUX_##mux##_FUNC_3); \ bfin_write_PORT##port##_FER(bfin_read_PORT##port##_FER() | P##port##tx | P##port##rx); |