diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-03-27 13:14:52 +0100 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-04-04 20:42:17 +0200 |
| commit | a47492ac60657dd9d59c713aa049319ea6eabd52 (patch) | |
| tree | 0d8b6e5fcafa73af272067d15a08e06a95a8f6b9 /cpu/arm926ejs/at91/at91sam9rl_spi.c | |
| parent | 42f9ebff2f758bef524780a00c712eb63a72d99b (diff) | |
| download | olio-uboot-2014.01-a47492ac60657dd9d59c713aa049319ea6eabd52.tar.xz olio-uboot-2014.01-a47492ac60657dd9d59c713aa049319ea6eabd52.zip | |
at91sam9/at91cap: spi init add hardware chip select support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'cpu/arm926ejs/at91/at91sam9rl_spi.c')
| -rw-r--r-- | cpu/arm926ejs/at91/at91sam9rl_spi.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/cpu/arm926ejs/at91/at91sam9rl_spi.c b/cpu/arm926ejs/at91/at91sam9rl_spi.c index aa9c18317..389d6d80d 100644 --- a/cpu/arm926ejs/at91/at91sam9rl_spi.c +++ b/cpu/arm926ejs/at91/at91sam9rl_spi.c @@ -38,15 +38,27 @@ void at91_spi0_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_SPI); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PA28, 1); + at91_set_A_periph(AT91_PIN_PA28, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PB7, 1); + at91_set_B_periph(AT91_PIN_PB7, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PD8, 1); + at91_set_A_periph(AT91_PIN_PD8, 1); } if (cs_mask & (1 << 3)) { + at91_set_B_periph(AT91_PIN_PD9, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PA28, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PB7, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PD8, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PD9, 1); } } |