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authorShaohui Xie <Shaohui.Xie@nxp.com>2016-10-28 14:24:02 +0800
committerYork Sun <york.sun@nxp.com>2016-11-21 09:20:32 -0800
commitfdc2b54cb864210437010ef84934b3d04bb723c6 (patch)
tree3a65a505ae33009426b2a86490658446d214845c /board/freescale/ls1046aqds
parent9b46213b4f63578be2fbcf6b0532a0a8d4b5edb0 (diff)
armv8: ls1046aqds: add lpuart support
LPUART0 is used by default, and it's using platform clock. Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'board/freescale/ls1046aqds')
-rw-r--r--board/freescale/ls1046aqds/ls1046aqds.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c
index 8c18538503..552365b9d8 100644
--- a/board/freescale/ls1046aqds/ls1046aqds.c
+++ b/board/freescale/ls1046aqds/ls1046aqds.c
@@ -120,6 +120,13 @@ unsigned long get_board_ddr_clk(void)
return 66666666;
}
+#ifdef CONFIG_LPUART
+u32 get_lpuart_clk(void)
+{
+ return gd->bus_clk;
+}
+#endif
+
int select_i2c_ch_pca9547(u8 ch)
{
int ret;
@@ -157,6 +164,9 @@ int board_early_init_f(void)
struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
u32 usb_pwrfault;
#endif
+#ifdef CONFIG_LPUART
+ u8 uart;
+#endif
#ifdef CONFIG_SYS_I2C_EARLY_INIT
i2c_early_init_f();
@@ -175,6 +185,14 @@ int board_early_init_f(void)
out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
#endif
+#ifdef CONFIG_LPUART
+ /* We use lpuart0 as system console */
+ uart = QIXIS_READ(brdcfg[14]);
+ uart &= ~CFG_UART_MUX_MASK;
+ uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT;
+ QIXIS_WRITE(brdcfg[14], uart);
+#endif
+
return 0;
}