[PATCH 2/3] arm: layerscape: Disable unused parts of ICID tables

Sean Anderson sean.anderson at seco.com
Tue Oct 11 23:51:04 CEST 2022


Several parts of the ICID table are only necessary for U-Boot proper.
Disable them in SPL. This saves around 500 bytes.

Signed-off-by: Sean Anderson <sean.anderson at seco.com>
---

 arch/arm/cpu/armv8/fsl-layerscape/icid.c         |  2 ++
 .../include/asm/arch-fsl-layerscape/fsl_icid.h   | 16 ++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/icid.c b/arch/arm/cpu/armv8/fsl-layerscape/icid.c
index 25cd82f16eb..2d87281ec21 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/icid.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/icid.c
@@ -46,6 +46,7 @@ void set_icids(void)
 #endif
 }
 
+#ifndef CONFIG_SPL_BUILD
 int fdt_set_iommu_prop(void *blob, int off, int smmu_ph, u32 *ids, int num_ids)
 {
 	int i, ret;
@@ -190,3 +191,4 @@ void fdt_fixup_icid(void *blob)
 	fdt_fixup_fman_icids(blob, smmu_ph);
 #endif
 }
+#endif
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h b/arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h
index 3c06a55cb85..8af0d35d27b 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/fsl_icid.h
@@ -12,11 +12,15 @@
 #include <asm/armv8/sec_firmware.h>
 
 struct icid_id_table {
+#ifndef CONFIG_SPL_BUILD
 	const char *compat;
-	u32 id;
-	u32 reg;
 	phys_addr_t compat_addr;
+#endif
 	phys_addr_t reg_addr;
+	u32 reg;
+#ifndef CONFIG_SPL_BUILD
+	u32 id;
+#endif
 	bool le;
 };
 
@@ -31,6 +35,13 @@ int fdt_set_iommu_prop(void *blob, int off, int smmu_ph, u32 *ids, int num_ids);
 void set_icids(void);
 void fdt_fixup_icid(void *blob);
 
+#ifdef CONFIG_SPL_BUILD
+#define SET_ICID_ENTRY(name, idA, regA, addr, compataddr, _le) \
+	{ .reg = regA, \
+	  .reg_addr = addr, \
+	  .le = _le \
+	}
+#else
 #define SET_ICID_ENTRY(name, idA, regA, addr, compataddr, _le) \
 	{ .compat = name, \
 	  .id = idA, \
@@ -39,6 +50,7 @@ void fdt_fixup_icid(void *blob);
 	  .reg_addr = addr, \
 	  .le = _le \
 	}
+#endif
 
 #ifdef CONFIG_SYS_FSL_SEC_LE
 #define SEC_IS_LE true
-- 
2.35.1.1320.gc452695387.dirty



More information about the U-Boot mailing list