diff --git a/tests/qtest/aspeed_smc-test.c b/tests/qtest/aspeed_smc-test.c
index 4c62009605..b8ab20b43d 100644
--- a/tests/qtest/aspeed_smc-test.c
+++ b/tests/qtest/aspeed_smc-test.c
@@ -32,11 +32,11 @@
  * ASPEED SPI Controller registers
  */
 #define R_CONF              0x00
-#define   CONF_ENABLE_W0       (1 << 16)
+#define   CONF_ENABLE_W0       16
 #define R_CE_CTRL           0x04
 #define   CRTL_EXTENDED0       0  /* 32 bit addressing for SPI */
 #define R_CTRL0             0x10
-#define   CTRL_CE_STOP_ACTIVE  (1 << 2)
+#define   CTRL_CE_STOP_ACTIVE  BIT(2)
 #define   CTRL_READMODE        0x0
 #define   CTRL_FREADMODE       0x1
 #define   CTRL_WRITEMODE       0x2
@@ -70,6 +70,8 @@ typedef struct TestData {
     uint64_t flash_base;
     uint32_t jedec_id;
     char *tmp_path;
+    uint8_t cs;
+    const char *node;
 } TestData;
 
 /*
@@ -140,34 +142,37 @@ static void spi_ce_ctrl(const TestData *data, uint32_t value)
 
 static void spi_ctrl_setmode(const TestData *data, uint8_t mode, uint8_t cmd)
 {
-    uint32_t ctrl = spi_readl(data, R_CTRL0);
+    uint32_t ctrl_reg = R_CTRL0 + data->cs * 4;
+    uint32_t ctrl = spi_readl(data, ctrl_reg);
     ctrl &= ~(CTRL_USERMODE | 0xff << 16);
     ctrl |= mode | (cmd << 16);
-    spi_writel(data, R_CTRL0, ctrl);
+    spi_writel(data, ctrl_reg, ctrl);
 }
 
 static void spi_ctrl_start_user(const TestData *data)
 {
-    uint32_t ctrl = spi_readl(data, R_CTRL0);
+    uint32_t ctrl_reg = R_CTRL0 + data->cs * 4;
+    uint32_t ctrl = spi_readl(data, ctrl_reg);
 
     ctrl |= CTRL_USERMODE | CTRL_CE_STOP_ACTIVE;
-    spi_writel(data, R_CTRL0, ctrl);
+    spi_writel(data, ctrl_reg, ctrl);
 
     ctrl &= ~CTRL_CE_STOP_ACTIVE;
-    spi_writel(data, R_CTRL0, ctrl);
+    spi_writel(data, ctrl_reg, ctrl);
 }
 
 static void spi_ctrl_stop_user(const TestData *data)
 {
-    uint32_t ctrl = spi_readl(data, R_CTRL0);
+    uint32_t ctrl_reg = R_CTRL0 + data->cs * 4;
+    uint32_t ctrl = spi_readl(data, ctrl_reg);
 
     ctrl |= CTRL_USERMODE | CTRL_CE_STOP_ACTIVE;
-    spi_writel(data, R_CTRL0, ctrl);
+    spi_writel(data, ctrl_reg, ctrl);
 }
 
 static void flash_reset(const TestData *data)
 {
-    spi_conf(data, CONF_ENABLE_W0);
+    spi_conf(data, 1 << (CONF_ENABLE_W0 + data->cs));
 
     spi_ctrl_start_user(data);
     flash_writeb(data, 0, RESET_ENABLE);
@@ -177,7 +182,7 @@ static void flash_reset(const TestData *data)
     flash_writeb(data, 0, WRDI);
     spi_ctrl_stop_user(data);
 
-    spi_conf_remove(data, CONF_ENABLE_W0);
+    spi_conf_remove(data, 1 << (CONF_ENABLE_W0 + data->cs));
 }
 
 static void test_read_jedec(const void *data)
@@ -185,7 +190,7 @@ static void test_read_jedec(const void *data)
     const TestData *test_data = (const TestData *)data;
     uint32_t jedec = 0x0;
 
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, JEDEC_READ);
@@ -255,7 +260,7 @@ static void test_erase_sector(const void *data)
     uint32_t page[FLASH_PAGE_SIZE / 4];
     int i;
 
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     /*
      * Previous page should be full of 0xffs after backend is
@@ -307,7 +312,7 @@ static void test_erase_all(const void *data)
     uint32_t page[FLASH_PAGE_SIZE / 4];
     int i;
 
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     /*
      * Previous page should be full of 0xffs after backend is
@@ -358,7 +363,7 @@ static void test_write_page(const void *data)
     uint32_t page[FLASH_PAGE_SIZE / 4];
     int i;
 
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, EN_4BYTE_ADDR);
@@ -396,13 +401,12 @@ static void test_read_page_mem(const void *data)
     int i;
 
     /*
-     * Enable 4BYTE mode for controller. This is should be strapped by
-     * HW for CE0 anyhow.
+     * Enable 4BYTE mode for controller.
      */
-    spi_ce_ctrl(test_data, 1 << CRTL_EXTENDED0);
+    spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs));
 
     /* Enable 4BYTE mode for flash. */
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, EN_4BYTE_ADDR);
     flash_writeb(test_data, 0, WREN);
@@ -414,7 +418,7 @@ static void test_read_page_mem(const void *data)
         flash_writel(test_data, 0, make_be32(my_page_addr + i * 4));
     }
     spi_ctrl_stop_user(test_data);
-    spi_conf_remove(test_data, CONF_ENABLE_W0);
+    spi_conf_remove(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     /* Check what was written */
     read_page_mem(test_data, my_page_addr, page);
@@ -439,13 +443,12 @@ static void test_write_page_mem(const void *data)
     int i;
 
     /*
-     * Enable 4BYTE mode for controller. This is should be strapped by
-     * HW for CE0 anyhow.
+     * Enable 4BYTE mode for controller.
      */
-    spi_ce_ctrl(test_data, 1 << CRTL_EXTENDED0);
+    spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs));
 
     /* Enable 4BYTE mode for flash. */
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, EN_4BYTE_ADDR);
     flash_writeb(test_data, 0, WREN);
@@ -473,7 +476,7 @@ static void test_read_status_reg(const void *data)
     const TestData *test_data = (const TestData *)data;
     uint8_t r;
 
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, RDSR);
@@ -482,7 +485,7 @@ static void test_read_status_reg(const void *data)
 
     g_assert_cmphex(r & SR_WEL, ==, 0);
     g_assert(!qtest_qom_get_bool
-            (test_data->s, "/machine/soc/fmc/ssi.0/child[0]", "write-enable"));
+            (test_data->s, test_data->node, "write-enable"));
 
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, WREN);
@@ -492,7 +495,7 @@ static void test_read_status_reg(const void *data)
 
     g_assert_cmphex(r & SR_WEL, ==, SR_WEL);
     g_assert(qtest_qom_get_bool
-            (test_data->s, "/machine/soc/fmc/ssi.0/child[0]", "write-enable"));
+            (test_data->s, test_data->node, "write-enable"));
 
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, WRDI);
@@ -502,7 +505,7 @@ static void test_read_status_reg(const void *data)
 
     g_assert_cmphex(r & SR_WEL, ==, 0);
     g_assert(!qtest_qom_get_bool
-            (test_data->s, "/machine/soc/fmc/ssi.0/child[0]", "write-enable"));
+            (test_data->s, test_data->node, "write-enable"));
 
     flash_reset(test_data);
 }
@@ -512,7 +515,7 @@ static void test_status_reg_write_protection(const void *data)
     const TestData *test_data = (const TestData *)data;
     uint8_t r;
 
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     /* default case: WP# is high and SRWD is low -> status register writable */
     spi_ctrl_start_user(test_data);
@@ -537,8 +540,7 @@ static void test_status_reg_write_protection(const void *data)
     g_assert_cmphex(r & SRWD, ==, 0);
 
     /* WP# low and SRWD low -> status register writable */
-    qtest_set_irq_in(test_data->s,
-                     "/machine/soc/fmc/ssi.0/child[0]", "WP#", 0, 0);
+    qtest_set_irq_in(test_data->s, test_data->node, "WP#", 0, 0);
     spi_ctrl_start_user(test_data);
     flash_writeb(test_data, 0, WREN);
     /* test ability to write SRWD */
@@ -561,8 +563,7 @@ static void test_status_reg_write_protection(const void *data)
     /* write is not successful */
     g_assert_cmphex(r & SRWD, ==, SRWD);
 
-    qtest_set_irq_in(test_data->s,
-                     "/machine/soc/fmc/ssi.0/child[0]", "WP#", 0, 1);
+    qtest_set_irq_in(test_data->s, test_data->node, "WP#", 0, 1);
     flash_reset(test_data);
 }
 
@@ -572,8 +573,8 @@ static void test_write_block_protect(const void *data)
     uint32_t sector_size = 65536;
     uint32_t n_sectors = 512;
 
-    spi_ce_ctrl(test_data, 1 << CRTL_EXTENDED0);
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs));
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     uint32_t bp_bits = 0b0;
 
@@ -617,8 +618,8 @@ static void test_write_block_protect_bottom_bit(const void *data)
     uint32_t sector_size = 65536;
     uint32_t n_sectors = 512;
 
-    spi_ce_ctrl(test_data, 1 << CRTL_EXTENDED0);
-    spi_conf(test_data, CONF_ENABLE_W0);
+    spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs));
+    spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs));
 
     /* top bottom bit is enabled */
     uint32_t bp_bits = 0b00100 << 3;
@@ -676,6 +677,8 @@ static void test_palmetto_bmc(TestData *data)
     data->flash_base = 0x20000000;
     data->spi_base = 0x1E620000;
     data->jedec_id = 0x20ba19;
+    data->cs = 0;
+    data->node = "/machine/soc/fmc/ssi.0/child[0]";
 
     qtest_add_data_func("/ast2400/smc/read_jedec", data, test_read_jedec);
     qtest_add_data_func("/ast2400/smc/erase_sector", data, test_erase_sector);