diff options
| author | Wenyou Yang <wenyou.yang@atmel.com> | 2016-02-03 10:16:50 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2016-02-18 21:34:40 +0100 |
| commit | 70341e2ed9a0ff98a777febb7b56dbcee4d885c4 (patch) | |
| tree | 791c3679b750e1d5a0e76a6f3c76453250bb073c /board/egnite | |
| parent | eced5a7eb4750e16dd571a9bd4980c68d2276f11 (diff) | |
| download | blackbird-obmc-uboot-70341e2ed9a0ff98a777febb7b56dbcee4d885c4.tar.gz blackbird-obmc-uboot-70341e2ed9a0ff98a777febb7b56dbcee4d885c4.zip | |
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>
Diffstat (limited to 'board/egnite')
| -rw-r--r-- | board/egnite/ethernut5/ethernut5.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/board/egnite/ethernut5/ethernut5.c b/board/egnite/ethernut5/ethernut5.c index 67d39844ac..2c8e978eb3 100644 --- a/board/egnite/ethernut5/ethernut5.c +++ b/board/egnite/ethernut5/ethernut5.c @@ -67,8 +67,8 @@ #include <asm/arch/at91sam9260_matrix.h> #include <asm/arch/at91sam9_smc.h> #include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> #include <asm/arch/at91_spi.h> +#include <asm/arch/clk.h> #include <asm/arch/gpio.h> #include <asm/io.h> #include <asm/gpio.h> @@ -151,12 +151,10 @@ static void ethernut5_nand_hw_init(void) */ int board_init(void) { - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + at91_periph_clk_enable(ATMEL_ID_PIOA); + at91_periph_clk_enable(ATMEL_ID_PIOB); + at91_periph_clk_enable(ATMEL_ID_PIOC); - /* Enable clocks for all PIOs */ - writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | - (1 << ATMEL_ID_PIOC), - &pmc->pcer); /* Set adress of boot parameters. */ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; /* Initialize UARTs and power management. */ @@ -179,10 +177,9 @@ int board_eth_init(bd_t *bis) { const char *devname; unsigned short mode; - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - /* Enable on-chip EMAC clock. */ - writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); + at91_periph_clk_enable(ATMEL_ID_EMAC0); + /* Need to reset PHY via power management. */ ethernut5_phy_reset(); /* Set peripheral pins. */ @@ -211,10 +208,8 @@ int board_eth_init(bd_t *bis) #ifdef CONFIG_GENERIC_ATMEL_MCI int board_mmc_init(bd_t *bd) { - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + at91_periph_clk_enable(ATMEL_ID_MCI); - /* Enable MCI clock. */ - writel(1 << ATMEL_ID_MCI, &pmc->pcer); /* Initialize MCI hardware. */ at91_mci_hw_init(); /* Register the device. */ @@ -229,6 +224,7 @@ int board_mmc_getcd(struct mmc *mmc) #ifdef CONFIG_ATMEL_SPI /* + * Note, that u-boot uses different code for SPI bus access. While * memory routines use automatic chip select control, the serial * flash support requires 'manual' GPIO control. Thus, we switch |
