ARM: cpu: at91: clean up peripheral clock code
Due to introducing the new peripheral clock handle functions,
use these functions to clean up the duplicated code.
Meanwhile, remove unneeded header file include, at91_pmc.h.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
[fixup for arm920t code]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/mach-at91/arm926ejs/at91sam9x5_devices.c b/arch/arm/mach-at91/arm926ejs/at91sam9x5_devices.c
index 6d94572..3e4555a 100644
--- a/arch/arm/mach-at91/arm926ejs/at91sam9x5_devices.c
+++ b/arch/arm/mach-at91/arm926ejs/at91sam9x5_devices.c
@@ -6,7 +6,7 @@
#include <common.h>
#include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
#include <asm/io.h>
@@ -64,42 +64,34 @@
void at91_seriald_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */
at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
- writel(1 << ATMEL_ID_SYS, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_SYS);
}
void at91_serial0_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD */
at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD */
- writel(1 << ATMEL_ID_USART0, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_USART0);
}
void at91_serial1_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD */
at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD */
- writel(1 << ATMEL_ID_USART1, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_USART1);
}
void at91_serial2_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD */
at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD */
- writel(1 << ATMEL_ID_USART2, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_USART2);
}
void at91_mci_hw_init(void)
@@ -112,22 +104,17 @@
at91_set_a_periph(AT91_PIO_PORTA, 19, 1); /* MCDA2 */
at91_set_a_periph(AT91_PIO_PORTA, 20, 1); /* MCDA3 */
- /* Enable clock for MCI0 */
- struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
- writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_HSMCI0);
}
#ifdef CONFIG_ATMEL_SPI
void at91_spi0_hw_init(unsigned long cs_mask)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */
at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */
at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */
- /* Enable clock */
- writel(1 << ATMEL_ID_SPI0, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_SPI0);
if (cs_mask & (1 << 0))
at91_set_a_periph(AT91_PIO_PORTA, 14, 0);
@@ -149,14 +136,11 @@
void at91_spi1_hw_init(unsigned long cs_mask)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */
at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */
at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */
- /* Enable clock */
- writel(1 << ATMEL_ID_SPI1, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_SPI1);
if (cs_mask & (1 << 0))
at91_set_b_periph(AT91_PIO_PORTA, 8, 0);
@@ -193,11 +177,9 @@
#ifdef CONFIG_MACB
void at91_macb_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
if (has_emac0()) {
/* Enable EMAC0 clock */
- writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_EMAC0);
/* EMAC0 pins setup */
at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* ETXCK */
at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* ERXDV */
@@ -213,7 +195,7 @@
if (has_emac1()) {
/* Enable EMAC1 clock */
- writel(1 << ATMEL_ID_EMAC1, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_EMAC1);
/* EMAC1 pins setup */
at91_set_b_periph(AT91_PIO_PORTC, 29, 0); /* ETXCK */
at91_set_b_periph(AT91_PIO_PORTC, 28, 0); /* ECRSDV */