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Diffstat (limited to 'cpu/arm926ejs/at91/at91sam9261_devices.c')
-rw-r--r--cpu/arm926ejs/at91/at91sam9261_devices.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/cpu/arm926ejs/at91/at91sam9261_devices.c b/cpu/arm926ejs/at91/at91sam9261_devices.c
index 286e72a..b4353ef 100644
--- a/cpu/arm926ejs/at91/at91sam9261_devices.c
+++ b/cpu/arm926ejs/at91/at91sam9261_devices.c
@@ -30,30 +30,38 @@
void at91_serial0_hw_init(void)
{
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+
at91_set_a_periph(AT91_PIO_PORTC, 8, 1); /* TXD0 */
at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* RXD0 */
- at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US0);
+ writel(1 << AT91SAM9261_ID_US0, &pmc->pcer);
}
void at91_serial1_hw_init(void)
{
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+
at91_set_a_periph(AT91_PIO_PORTC, 12, 1); /* TXD1 */
at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* RXD1 */
- at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US1);
+ writel(1 << AT91SAM9261_ID_US1, &pmc->pcer);
}
void at91_serial2_hw_init(void)
{
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+
at91_set_a_periph(AT91_PIO_PORTC, 14, 1); /* TXD2 */
at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* RXD2 */
- at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US2);
+ writel(1 << AT91SAM9261_ID_US2, &pmc->pcer);
}
void at91_serial3_hw_init(void)
{
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+
at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */
at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
- at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
+ writel(1 << AT91_ID_SYS, &pmc->pcer);
}
void at91_serial_hw_init(void)
@@ -78,12 +86,14 @@ void at91_serial_hw_init(void)
#ifdef CONFIG_HAS_DATAFLASH
void at91_spi0_hw_init(unsigned long cs_mask)
{
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+
at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* SPI0_MISO */
at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* SPI0_MOSI */
at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* SPI0_SPCK */
/* Enable clock */
- at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI0);
+ writel(1 << AT91SAM9261_ID_SPI0, &pmc->pcer);
if (cs_mask & (1 << 0)) {
at91_set_a_periph(AT91_PIO_PORTA, 3, 1);
@@ -113,12 +123,14 @@ void at91_spi0_hw_init(unsigned long cs_mask)
void at91_spi1_hw_init(unsigned long cs_mask)
{
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+
at91_set_a_periph(AT91_PIO_PORTB, 30, 0); /* SPI1_MISO */
at91_set_a_periph(AT91_PIO_PORTB, 31, 0); /* SPI1_MOSI */
at91_set_a_periph(AT91_PIO_PORTB, 29, 0); /* SPI1_SPCK */
/* Enable clock */
- at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI1);
+ writel(1 << AT91SAM9261_ID_SPI1, &pmc->pcer);
if (cs_mask & (1 << 0)) {
at91_set_a_periph(AT91_PIO_PORTB, 28, 1);