Add handle the lpuarts in get_lpuart_clk.
Signed-off-by: Peng Fan <peng....@nxp.com>
Signed-off-by: Ye Li <ye...@nxp.com>
Cc: Stefano Babic <sba...@denx.de>
---
arch/arm/cpu/armv7/mx7ulp/clock.c | 34 +++++++++++++++++++++++++++++++---
1 file changed, 31 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/armv7/mx7ulp/clock.c
b/arch/arm/cpu/armv7/mx7ulp/clock.c
index 534f632..0c34d88 100644
--- a/arch/arm/cpu/armv7/mx7ulp/clock.c
+++ b/arch/arm/cpu/armv7/mx7ulp/clock.c
@@ -42,7 +42,35 @@ static u32 get_ipg_clk(void)
u32 get_lpuart_clk(void)
{
- return pcc_clock_get_rate(PER_CLK_LPUART4);
+ int index = 0;
+
+ const u32 lpuart_array[] = {
+ LPUART0_RBASE,
+ LPUART1_RBASE,
+ LPUART2_RBASE,
+ LPUART3_RBASE,
+ LPUART4_RBASE,
+ LPUART5_RBASE,
+ LPUART6_RBASE,
+ LPUART7_RBASE,
+ };
+
+ const enum pcc_clk lpuart_pcc_clks[] = {
+ PER_CLK_LPUART4,
+ PER_CLK_LPUART5,
+ PER_CLK_LPUART6,
+ PER_CLK_LPUART7,
+ };
+
+ for (index = 0; index < 8; index++) {
+ if (lpuart_array[index] == LPUART_BASE)
+ break;
+ }
+
+ if (index < 4 || index > 7)
+ return 0;
+
+ return pcc_clock_get_rate(lpuart_pcc_clks[index - 4]);
}
unsigned int mxc_get_clock(enum mxc_clock clk)
@@ -59,7 +87,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
case MXC_I2C_CLK:
return pcc_clock_get_rate(PER_CLK_LPI2C4);
case MXC_UART_CLK:
- return pcc_clock_get_rate(PER_CLK_LPUART4);
+ return get_lpuart_clk();
case MXC_ESDHC_CLK:
return pcc_clock_get_rate(PER_CLK_USDHC0);
case MXC_ESDHC2_CLK:
@@ -264,7 +292,7 @@ int do_mx7_showclocks(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
printf("CORE %8d kHz\n", scg_clk_get_rate(SCG_CORE_CLK) / 1000);
printf("IPG %8d kHz\n", mxc_get_clock(MXC_IPG_CLK) / 1000);
- printf("UART %8d kHz\n", pcc_clock_get_rate(PER_CLK_LPUART4) /
1000);
+ printf("UART %8d kHz\n", mxc_get_clock(MXC_UART_CLK) / 1000);
printf("AHB %8d kHz\n", mxc_get_clock(MXC_AHB_CLK) / 1000);
printf("AXI %8d kHz\n", mxc_get_clock(MXC_AXI_CLK) / 1000);
printf("DDR %8d kHz\n", mxc_get_clock(MXC_DDR_CLK) / 1000);
--
2.6.2
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