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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-02-13 15:15:02 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-02-19 08:30:32 +0100 |
| commit | 4fce211e966c33ca882b05b1cc45ea5f137af9f8 (patch) | |
| tree | 74cedf950a78b0e1af9d268382b7a8b38b70b03a /arch/arm/boards/zii-imx8mq-dev/lowlevel.c | |
| parent | cc76af2676a995a34aa7aad01ce0752f62bff7e0 (diff) | |
| download | barebox-4fce211e966c33ca882b05b1cc45ea5f137af9f8.tar.gz barebox-4fce211e966c33ca882b05b1cc45ea5f137af9f8.tar.xz | |
ARM: i.MX8M: Add and use function for early UART clock setup
The i.MX8M boards all have the same code for setting up the UART clock.
Add a common helper for it. In the helper just setup the clocks for all
UARTs as it's not worth it to have separate functions for each UART.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/zii-imx8mq-dev/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/zii-imx8mq-dev/lowlevel.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/arm/boards/zii-imx8mq-dev/lowlevel.c b/arch/arm/boards/zii-imx8mq-dev/lowlevel.c index bc966589c3..c1ec827184 100644 --- a/arch/arm/boards/zii-imx8mq-dev/lowlevel.c +++ b/arch/arm/boards/zii-imx8mq-dev/lowlevel.c @@ -27,14 +27,7 @@ static void setup_uart(void) { - void __iomem *ccm = IOMEM(MX8MQ_CCM_BASE_ADDR); - - writel(IMX8M_CCM_CCGR_SETTINGn_NEEDED(0), - ccm + IMX8M_CCM_CCGRn_CLR(IMX8M_CCM_CCGR_UART1)); - writel(IMX8M_CCM_TARGET_ROOTn_ENABLE | IMX8M_UART1_CLK_ROOT__25M_REF_CLK, - ccm + IMX8M_CCM_TARGET_ROOTn(IMX8M_UART1_CLK_ROOT)); - writel(IMX8M_CCM_CCGR_SETTINGn_NEEDED(0), - ccm + IMX8M_CCM_CCGRn_SET(IMX8M_CCM_CCGR_UART1)); + imx8m_early_setup_uart_clock(); imx8mq_setup_pad(IMX8MQ_PAD_UART1_TXD__UART1_TX | UART_PAD_CTRL); |