board: atmel: clean up peripheral clock code
Due to introducing the new peripheral clock handle functions,
use these functions to reduce duplicated code.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Heiko Schocher <hs@denx.de>
[Rebased on current master, fixup for at91rm9200ek]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/board/atmel/at91sam9263ek/at91sam9263ek.c b/board/atmel/at91sam9263ek/at91sam9263ek.c
index 927adb0..af68e10 100644
--- a/board/atmel/at91sam9263ek/at91sam9263ek.c
+++ b/board/atmel/at91sam9263ek/at91sam9263ek.c
@@ -11,7 +11,6 @@
#include <asm/arch/at91sam9263.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_matrix.h>
#include <asm/arch/at91_pio.h>
#include <asm/arch/clk.h>
@@ -39,7 +38,6 @@
unsigned long csa;
at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0;
at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX;
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
/* Enable CS3 */
csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
@@ -68,8 +66,8 @@
AT91_SMC_MODE_TDF_CYCLE(2),
&smc->cs[3].mode);
- writel(1 << ATMEL_ID_PIOA | 1 << ATMEL_ID_PIOCDE,
- &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_PIOA);
+ at91_periph_clk_enable(ATMEL_ID_PIOCDE);
/* Configure RDY/BSY */
at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
@@ -82,11 +80,9 @@
#ifdef CONFIG_MACB
static void at91sam9263ek_macb_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
- /* Enable clock */
- writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_EMAC);
/*
* Disable pull-up on:
@@ -139,8 +135,6 @@
static void at91sam9263ek_lcd_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
-
at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */
at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */
at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */
@@ -164,7 +158,7 @@
at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */
at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */
- writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_LCDC);
gd->fb_base = ATMEL_BASE_SRAM0;
}
@@ -226,12 +220,9 @@
int board_early_init_f(void)
{
- struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
- /* Enable clocks for all PIOs */
- writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
- (1 << ATMEL_ID_PIOCDE),
- &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_PIOA);
+ at91_periph_clk_enable(ATMEL_ID_PIOB);
+ at91_periph_clk_enable(ATMEL_ID_PIOCDE);
at91_seriald_hw_init();
return 0;