-----Original Message----- From: U-Boot u-boot-bounces@lists.denx.de On Behalf Of andy.tang@nxp.com Sent: Thursday, March 19, 2020 2:18 PM To: Priyanka Jain priyanka.jain@nxp.com Cc: Sudhanshu Gupta sudhanshu.gupta@nxp.com; u-boot@lists.denx.de; Andy Tang andy.tang@nxp.com; Vabhav Sharma vabhav.sharma@nxp.com Subject: [PATCH 1/4] board: freescale: ls1028a: mux changes for lpuart
From: Yuantian Tang andy.tang@nxp.com
mux changes in board file to enable lpuart1 and macro define for lpuart1 used for mux changes in board configuation register 13
Signed-off-by: Vabhav Sharma vabhav.sharma@nxp.com Signed-off-by: Yuantian Tang andy.tang@nxp.com
board/freescale/ls1028a/ls1028a.c | 32 +++++++++++++++++++++++++++++++ include/configs/ls1028aqds.h | 7 +++++++ 2 files changed, 39 insertions(+)
diff --git a/board/freescale/ls1028a/ls1028a.c b/board/freescale/ls1028a/ls1028a.c index aa93534ac6..3659e7daf3 100644 --- a/board/freescale/ls1028a/ls1028a.c +++ b/board/freescale/ls1028a/ls1028a.c @@ -31,6 +31,7 @@ DECLARE_GLOBAL_DATA_PTR;
int config_board_mux(void) { +#ifndef CONFIG_LPUART #if defined(CONFIG_TARGET_LS1028AQDS) && defined(CONFIG_FSL_QIXIS) u8 reg;
@@ -55,9 +56,18 @@ int config_board_mux(void) reg &= ~(0xc0); QIXIS_WRITE(brdcfg[15], reg); #endif +#endif
- return 0;
}
+#ifdef CONFIG_LPUART +u32 get_lpuart_clk(void) +{
- return gd->bus_clk / CONFIG_SYS_FSL_LPUART_CLK_DIV; } #endif
int board_init(void) { #ifdef CONFIG_ENV_IS_NOWHERE @@ -120,11 +130,33 @@ int misc_init_r(void)
int board_early_init_f(void) { +#ifdef CONFIG_LPUART
- u8 uart;
+#endif
#ifdef CONFIG_SYS_I2C_EARLY_INIT i2c_early_init_f(); #endif
fsl_lsch3_early_init_f();
+#ifdef CONFIG_LPUART
- /*
* Field| Function* --------------------------------------------------------------* 7-6 | Controls I2C3 routing (net CFG_MUX_I2C3):* I2C3 | 11= Routes {SCL, SDA} to LPUART1 header as {SOUT, SIN}.* --------------------------------------------------------------* 5-4 | Controls I2C4 routing (net CFG_MUX_I2C4):* I2C4 |11= Routes {SCL, SDA} to LPUART1 header as {CTS_B, RTS_B}.*/- /* use lpuart0 as system console */
- uart = QIXIS_READ(brdcfg[13]);
- uart &= ~CFG_LPUART_MUX_MASK;
- uart |= CFG_LPUART_EN;
- QIXIS_WRITE(brdcfg[13], uart);
+#endif
- return 0;
}
diff --git a/include/configs/ls1028aqds.h b/include/configs/ls1028aqds.h index 982df07bb0..b3c12420eb 100644 --- a/include/configs/ls1028aqds.h +++ b/include/configs/ls1028aqds.h @@ -66,6 +66,13 @@ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE #endif
+/* LPUART */ +#ifdef CONFIG_LPUART +#define CONFIG_LPUART_32B_REG +#define CFG_LPUART_MUX_MASK 0xf0 +#define CFG_LPUART_EN 0xf0 +#endif
/* SATA */ #define CONFIG_SCSI_AHCI_PLAT
-- 2.17.1
Series applied on fsl-qoriq. Awaiting upstream. In future, while sending v2 of series, please send the completes series again if none of patch is merged yet. Its difficult to combine.
Thanks Priyanka