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| author | Wu, Josh <Josh.wu@atmel.com> | 2015-02-02 17:51:00 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2015-03-18 23:36:01 +0100 |
| commit | 111ec4c65208bb13f3957d5a1c84b228eb83bdde (patch) | |
| tree | 31d1051fca9d7675b6be60d4263d2ba4c1dab7ef /arch/arm | |
| parent | 65b553b71cc9863c49f6973f13083159e935297f (diff) | |
| download | talos-obmc-uboot-111ec4c65208bb13f3957d5a1c84b228eb83bdde.tar.gz talos-obmc-uboot-111ec4c65208bb13f3957d5a1c84b228eb83bdde.zip | |
ARM: at91: at91sam9rlek: add mci support
This patch enable the MCI support for at91sam9rlek board.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
[rebase on ToT]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c b/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c index 0ec32c3ab9..857c864068 100644 --- a/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c @@ -101,3 +101,20 @@ void at91_spi0_hw_init(unsigned long cs_mask) } } #endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +void at91_mci_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* MCI CLK */ + at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* MCI CDA */ + at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* MCI DA0 */ + at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* MCI DA1 */ + at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* MCI DA2 */ + at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* MCI DA3 */ + + /* Enable clock */ + writel(1 << ATMEL_ID_MCI, &pmc->pcer); +} +#endif |
