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>

5 files changed, 21 insertions, 54 deletions

diff --git a/board/ronetix/pm9261/led.c b/board/ronetix/pm9261/led.c
index cc4c2a0..53e353a 100644
--- a/board/ronetix/pm9261/led.c
+++ b/board/ronetix/pm9261/led.c
@@ -9,15 +9,12 @@
 
 #include <common.h>
 #include <asm/gpio.h>
-#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>
 
 void coloured_LED_init(void)
 {
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
-	/* Enable clock */
-	writel(1 << ATMEL_ID_PIOC, &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_PIOC);
 
 	gpio_direction_output(CONFIG_RED_LED, 1);
 	gpio_direction_output(CONFIG_GREEN_LED, 1);
diff --git a/board/ronetix/pm9261/pm9261.c b/board/ronetix/pm9261/pm9261.c
index b96f745..3cc01cb 100644
--- a/board/ronetix/pm9261/pm9261.c
+++ b/board/ronetix/pm9261/pm9261.c
@@ -14,7 +14,6 @@
 #include <asm/gpio.h>
 #include <asm/arch/at91sam9_smc.h>
 #include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_rstc.h>
 #include <asm/arch/at91_matrix.h>
 #include <asm/arch/clk.h>
@@ -41,7 +40,6 @@ static void pm9261_nand_hw_init(void)
 	unsigned long csa;
 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
 
 	/* Enable CS3 */
 	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
@@ -69,9 +67,8 @@ static void pm9261_nand_hw_init(void)
 		AT91_SMC_MODE_TDF_CYCLE(2),
 		&smc->cs[3].mode);
 
-	writel(1 << ATMEL_ID_PIOA |
-		1 << ATMEL_ID_PIOC,
-		&pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_PIOA);
+	at91_periph_clk_enable(ATMEL_ID_PIOC);
 
 	/* Configure RDY/BSY */
 	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
@@ -89,7 +86,6 @@ static void pm9261_nand_hw_init(void)
 static void pm9261_dm9000_hw_init(void)
 {
 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
 
 	/* Configure SMC CS2 for DM9000 */
 	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
@@ -110,7 +106,7 @@ static void pm9261_dm9000_hw_init(void)
 		&smc->cs[2].mode);
 
 	/* Configure Interrupt pin as input, no pull-up */
-	writel(1 << ATMEL_ID_PIOA, &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_PIOA);
 	at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
 }
 #endif
@@ -145,8 +141,6 @@ void lcd_disable(void)
 
 static void pm9261_lcd_hw_init(void)
 {
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
 	at91_set_a_periph(AT91_PIO_PORTB, 1, 0);	/* LCDHSYNC */
 	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* LCDDOTCK */
 	at91_set_a_periph(AT91_PIO_PORTB, 3, 0);	/* LCDDEN */
@@ -170,7 +164,7 @@ static void pm9261_lcd_hw_init(void)
 	at91_set_b_periph(AT91_PIO_PORTB, 27, 0);	/* LCDD22 */
 	at91_set_b_periph(AT91_PIO_PORTB, 28, 0);	/* LCDD23 */
 
-	writel(1 << 17, &pmc->scer); /* LCD controller Clock, AT91SAM9261 only */
+	at91_system_clk_enable(AT91_PMC_HCK1);
 
 	gd->fb_base = ATMEL_BASE_SRAM;
 }
@@ -224,12 +218,8 @@ void lcd_show_board_info(void)
 
 int board_early_init_f(void)
 {
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
-	/* Enable clocks for some PIOs */
-	writel(1 << ATMEL_ID_PIOA |
-		1 << ATMEL_ID_PIOC,
-		&pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_PIOA);
+	at91_periph_clk_enable(ATMEL_ID_PIOC);
 
 	at91_seriald_hw_init();
 
diff --git a/board/ronetix/pm9263/led.c b/board/ronetix/pm9263/led.c
index bfc2310..8025a20 100644
--- a/board/ronetix/pm9263/led.c
+++ b/board/ronetix/pm9263/led.c
@@ -9,15 +9,12 @@
 
 #include <common.h>
 #include <asm/gpio.h>
-#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>
 
 void coloured_LED_init(void)
 {
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
-	/* Enable clock */
-	writel(1 << ATMEL_ID_PIOB, &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_PIOB);
 
 	gpio_direction_output(CONFIG_RED_LED, 1);
 	gpio_direction_output(CONFIG_GREEN_LED, 1);
diff --git a/board/ronetix/pm9263/pm9263.c b/board/ronetix/pm9263/pm9263.c
index 1b00f08..276ff80 100644
--- a/board/ronetix/pm9263/pm9263.c
+++ b/board/ronetix/pm9263/pm9263.c
@@ -14,7 +14,6 @@
 #include <asm/gpio.h>
 #include <asm/arch/at91sam9_smc.h>
 #include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_rstc.h>
 #include <asm/arch/at91_matrix.h>
 #include <asm/arch/clk.h>
@@ -78,8 +77,6 @@ static void pm9263_nand_hw_init(void)
 #ifdef CONFIG_MACB
 static void pm9263_macb_hw_init(void)
 {
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
 	/*
 	 * PB27 enables the 50MHz oscillator for Ethernet PHY
 	 * 1 - enable
@@ -88,8 +85,7 @@ static void pm9263_macb_hw_init(void)
 	at91_set_pio_output(AT91_PIO_PORTB, 27, 1);
 	at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */
 
-	/* Enable clock */
-	writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_EMAC);
 
 	/*
 	 * Disable pull-up on:
@@ -231,8 +227,6 @@ static int pm9263_lcd_hw_psram_init(void)
 
 static void pm9263_lcd_hw_init(void)
 {
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
 	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDVSYNC */
 	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDHSYNC */
 	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDDOTCK */
@@ -257,7 +251,7 @@ static void pm9263_lcd_hw_init(void)
 	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);
 
 	/* Power Control */
 	at91_set_pio_output(AT91_PIO_PORTA, 22, 1);
@@ -323,12 +317,9 @@ void lcd_show_board_info(void)
 
 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();
 
diff --git a/board/ronetix/pm9g45/pm9g45.c b/board/ronetix/pm9g45/pm9g45.c
index efc4133..c2707e0 100644
--- a/board/ronetix/pm9g45/pm9g45.c
+++ b/board/ronetix/pm9g45/pm9g45.c
@@ -17,7 +17,6 @@
 #include <asm/gpio.h>
 #include <asm/arch/at91sam9_smc.h>
 #include <asm/arch/at91_common.h>
-#include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_rstc.h>
 #include <asm/arch/at91_matrix.h>
 #include <asm/arch/gpio.h>
@@ -39,7 +38,6 @@ static void pm9g45_nand_hw_init(void)
 	unsigned long csa;
 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
 
 	/* Enable CS3 */
 	csa = readl(&matrix->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A;
@@ -63,7 +61,7 @@ static void pm9g45_nand_hw_init(void)
 		AT91_SMC_MODE_TDF_CYCLE(3),
 		&smc->cs[3].mode);
 
-	writel(1 << ATMEL_ID_PIOC, &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_PIOC);
 
 #ifdef CONFIG_SYS_NAND_READY_PIN
 	/* Configure RDY/BSY */
@@ -78,8 +76,6 @@ static void pm9g45_nand_hw_init(void)
 #ifdef CONFIG_MACB
 static void pm9g45_macb_hw_init(void)
 {
-	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-
 	/*
 	 * PD2 enables the 50MHz oscillator for Ethernet PHY
 	 * 1 - enable
@@ -88,8 +84,7 @@ static void pm9g45_macb_hw_init(void)
 	at91_set_pio_output(AT91_PIO_PORTD, 2, 1);
 	at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */
 
-	/* Enable clock */
-	writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_EMAC);
 
 	/*
 	 * Disable pull-up on:
@@ -114,13 +109,10 @@ static void pm9g45_macb_hw_init(void)
 
 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_PIOC) |
-		(1 << ATMEL_ID_PIODE), &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_PIOA);
+	at91_periph_clk_enable(ATMEL_ID_PIOB);
+	at91_periph_clk_enable(ATMEL_ID_PIOC);
+	at91_periph_clk_enable(ATMEL_ID_PIODE);
 
 	at91_seriald_hw_init();