diff --git a/uart0-helloworld-sdboot.c b/uart0-helloworld-sdboot.c
index e7df4d9..f644018 100644
--- a/uart0-helloworld-sdboot.c
+++ b/uart0-helloworld-sdboot.c
@@ -231,6 +231,8 @@ static const struct soc_info {
 		H6_UART0_BASE, SUNXI_GPH(0), MUX_2, FLAG_NEW_CLOCK },
 	{ 0x1851, "R329", R329_PIO_BASE, R329_CCM_BASE, SRAM_A1_ADDR_100000,
 		R329_UART0_BASE, SUNXI_GPB(4), MUX_2, FLAG_NCAT2 },
+	{ 0x1855, "A133", H6_PIO_BASE, H6_CCM_BASE, SRAM_A1_ADDR_20000,
+		H6_UART0_BASE, SUNXI_GPB(9), MUX_2, FLAG_NEW_CLOCK },
 	{ 0x1859, "R528", V853_PIO_BASE, R329_CCM_BASE, SRAM_A1_ADDR_20000,
 		R329_UART0_BASE, SUNXI_GPE(2), MUX_6, FLAG_NCAT2 },
 	{ 0x1886, "V853", V853_PIO_BASE, R329_CCM_BASE, SRAM_A1_ADDR_20000,