summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/arm/dts/stm32mp157c-ed1.dts5
-rw-r--r--arch/arm/dts/stm32mp15xx-dkx.dtsi5
-rw-r--r--arch/arm/mach-stm32mp/dram_init.c18
-rw-r--r--arch/arm/mach-stm32mp/fdt.c23
-rw-r--r--include/configs/stm32mp1.h4
5 files changed, 51 insertions, 4 deletions
diff --git a/arch/arm/dts/stm32mp157c-ed1.dts b/arch/arm/dts/stm32mp157c-ed1.dts
index 54af7c97b3..05d5326405 100644
--- a/arch/arm/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/dts/stm32mp157c-ed1.dts
@@ -70,6 +70,11 @@
reg = <0xe8000000 0x8000000>;
no-map;
};
+
+ optee@fe000000 {
+ reg = <0xfe000000 0x02000000>;
+ no-map;
+ };
};
aliases {
diff --git a/arch/arm/dts/stm32mp15xx-dkx.dtsi b/arch/arm/dts/stm32mp15xx-dkx.dtsi
index 42d3f0cb2d..9ce10a52f0 100644
--- a/arch/arm/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dkx.dtsi
@@ -58,6 +58,11 @@
reg = <0xd4000000 0x4000000>;
no-map;
};
+
+ optee@de000000 {
+ reg = <0xde000000 0x02000000>;
+ no-map;
+ };
};
led {
diff --git a/arch/arm/mach-stm32mp/dram_init.c b/arch/arm/mach-stm32mp/dram_init.c
index 7688b3e315..3233415eff 100644
--- a/arch/arm/mach-stm32mp/dram_init.c
+++ b/arch/arm/mach-stm32mp/dram_init.c
@@ -5,6 +5,7 @@
#include <common.h>
#include <dm.h>
+#include <lmb.h>
#include <ram.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -31,3 +32,20 @@ int dram_init(void)
return 0;
}
+
+ulong board_get_usable_ram_top(ulong total_size)
+{
+ phys_addr_t reg;
+ struct lmb lmb;
+
+ /* found enough not-reserved memory to relocated U-Boot */
+ lmb_init(&lmb);
+ lmb_add(&lmb, gd->ram_base, gd->ram_size);
+ boot_fdt_add_mem_rsv_regions(&lmb, (void *)gd->fdt_blob);
+ reg = lmb_alloc(&lmb, CONFIG_SYS_MALLOC_LEN + total_size, SZ_4K);
+
+ if (reg)
+ return ALIGN(reg + CONFIG_SYS_MALLOC_LEN + total_size, SZ_4K);
+
+ return gd->ram_top;
+}
diff --git a/arch/arm/mach-stm32mp/fdt.c b/arch/arm/mach-stm32mp/fdt.c
index 3ee7d6a833..ae82270e42 100644
--- a/arch/arm/mach-stm32mp/fdt.c
+++ b/arch/arm/mach-stm32mp/fdt.c
@@ -218,6 +218,26 @@ static void stm32_fdt_disable(void *fdt, int offset, u32 addr,
string, addr, name);
}
+static void stm32_fdt_disable_optee(void *blob)
+{
+ int off, node;
+
+ off = fdt_node_offset_by_compatible(blob, -1, "linaro,optee-tz");
+ if (off >= 0 && fdtdec_get_is_enabled(blob, off))
+ fdt_status_disabled(blob, off);
+
+ /* Disabled "optee@..." reserved-memory node */
+ off = fdt_path_offset(blob, "/reserved-memory/");
+ if (off < 0)
+ return;
+ for (node = fdt_first_subnode(blob, off);
+ node >= 0;
+ node = fdt_next_subnode(blob, node)) {
+ if (!strncmp(fdt_get_name(blob, node, NULL), "optee@", 6))
+ fdt_status_disabled(blob, node);
+ }
+}
+
/*
* This function is called right before the kernel is booted. "blob" is the
* device tree that will be passed to the kernel.
@@ -302,5 +322,8 @@ int ft_system_setup(void *blob, bd_t *bd)
"st,package", pkg, false);
}
+ if (!CONFIG_IS_ENABLED(STM32MP1_OPTEE))
+ stm32_fdt_disable_optee(blob);
+
return ret;
}
diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h
index 19e2b3b31e..feb4cc21a9 100644
--- a/include/configs/stm32mp1.h
+++ b/include/configs/stm32mp1.h
@@ -23,10 +23,6 @@
#define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE
#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
-#ifdef CONFIG_STM32MP1_OPTEE
-#define CONFIG_SYS_MEM_TOP_HIDE SZ_32M
-#endif /* CONFIG_STM32MP1_OPTEE */
-
/*
* Console I/O buffer size
*/