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Diffstat (limited to 'plat/imx/imx8qm/imx8qm_bl31_setup.c')
-rw-r--r--plat/imx/imx8qm/imx8qm_bl31_setup.c154
1 files changed, 124 insertions, 30 deletions
diff --git a/plat/imx/imx8qm/imx8qm_bl31_setup.c b/plat/imx/imx8qm/imx8qm_bl31_setup.c
index ae0879b7..c9cdf406 100644
--- a/plat/imx/imx8qm/imx8qm_bl31_setup.c
+++ b/plat/imx/imx8qm/imx8qm_bl31_setup.c
@@ -27,6 +27,9 @@
#include <sci/sci.h>
#include <sec_rsrc.h>
#include <imx_sip_svc.h>
+#include <string.h>
+
+#define TRUSTY_PARAMS_LEN_BYTES (4096*2)
IMPORT_SYM(unsigned long, __COHERENT_RAM_START__, BL31_COHERENT_RAM_START);
IMPORT_SYM(unsigned long, __COHERENT_RAM_END__, BL31_COHERENT_RAM_END);
@@ -166,6 +169,11 @@ void mx8_partition_resources(void)
bool owned, owned2;
sc_err_t err;
int i;
+#ifdef SPD_trusty
+ sc_rm_mr_t mr_tee = 64;
+ bool mr_tee_atf_same = false;
+ sc_faddr_t reg_start;
+#endif
uint32_t cpu_id, cpu_rev = 0x1; /* Set Rev B as default */
if (imx_get_cpu_rev(&cpu_id, &cpu_rev) != 0)
@@ -197,48 +205,113 @@ void mx8_partition_resources(void)
owned = sc_rm_is_memreg_owned(ipc_handle, mr);
if (owned) {
err = sc_rm_get_memreg_info(ipc_handle, mr, &start, &end);
- if (err)
+ if (err) {
ERROR("Memreg get info failed, %u\n", mr);
- NOTICE("Memreg %u 0x%llx -- 0x%llx\n", mr, start, end);
- if (BL31_BASE >= start && (BL31_LIMIT - 1) <= end) {
- mr_record = mr; /* Record the mr for ATF running */
+ } else {
+ NOTICE("Memreg %u 0x%llx -- 0x%llx\n", mr, start, end);
+
+ if (BL31_BASE >= start && (BL31_LIMIT - 1) <= end) {
+ mr_record = mr; /* Record the mr for ATF running */
+ }
+#ifdef SPD_trusty
+ else if (BL32_BASE >= start && (BL32_LIMIT -1) <= end) {
+ mr_tee = mr;
+ }
+#endif
+ else if (cpu_rev >= 1 && 0 >= start && (OCRAM_BASE + OCRAM_ALIAS_SIZE - 1) <= end) {
+ mr_ocram = mr;
+ }
+ else {
+ err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
+ if (err)
+ ERROR("Memreg assign failed, 0x%llx -- 0x%llx, err %d\n", start, end, err);
+ }
}
- else if (cpu_rev >= 1 && 0 >= start && (OCRAM_BASE + OCRAM_ALIAS_SIZE - 1) <= end) {
- mr_ocram = mr;
+ }
+ }
+
+#ifdef SPD_trusty
+ if (mr_tee != 64) {
+ err = sc_rm_get_memreg_info(ipc_handle, mr_tee, &start, &end);
+ if (err) {
+ ERROR("Memreg get info failed, %u\n", mr_tee);
+ } else {
+ if ((BL32_LIMIT - 1) < end) {
+ err = sc_rm_memreg_alloc(ipc_handle, &mr, BL32_LIMIT , end);
+ if (err) {
+ ERROR("sc_rm_memreg_alloc failed, 0x%llx -- 0x%llx\n", (sc_faddr_t)BL32_LIMIT, end);
+ } else {
+ err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
+ if (err)
+ ERROR("Memreg assign failed, 0x%llx -- 0x%llx\n", (sc_faddr_t)BL32_LIMIT, end);
+ }
}
- else {
- err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
- if (err)
- ERROR("Memreg assign failed, 0x%llx -- 0x%llx, \
- err %d\n", start, end, err);
+
+ if (start < (BL32_BASE - 1)) {
+ err = sc_rm_memreg_alloc(ipc_handle, &mr, start, BL32_BASE - 1);
+ if (err) {
+ ERROR("sc_rm_memreg_alloc failed, 0x%llx -- 0x%llx\n", start, (sc_faddr_t)BL32_BASE - 1);
+ } else {
+ err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
+ if (err)
+ ERROR("Memreg assign failed, 0x%llx -- 0x%llx\n", start, (sc_faddr_t)BL32_BASE - 1);
+ }
}
}
}
-
+#endif
if (mr_record != 64) {
err = sc_rm_get_memreg_info(ipc_handle, mr_record, &start, &end);
- if (err)
+
+#ifdef SPD_trusty
+ if (BL32_BASE >= start && (BL32_LIMIT - 1) <= end)
+ mr_tee_atf_same = true;
+#endif
+ reg_end = end;
+
+ if (err) {
ERROR("Memreg get info failed, %u\n", mr_record);
- if ((BL31_LIMIT - 1) < end) {
- err = sc_rm_memreg_alloc(ipc_handle, &mr, BL31_LIMIT, end);
- if (err)
- ERROR("sc_rm_memreg_alloc failed, 0x%llx -- 0x%llx\n",
- (sc_faddr_t)BL31_LIMIT, end);
- err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
- if (err)
- ERROR("Memreg assign failed, 0x%llx -- 0x%llx\n",
- (sc_faddr_t)BL31_LIMIT, end);
- }
+ } else {
+ if ((BL31_LIMIT - 1) < end) {
+#ifdef SPD_trusty
+ if ((end > BL32_BASE) && mr_tee_atf_same)
+ reg_end = BL32_BASE - 1;
+#endif
+ err = sc_rm_memreg_alloc(ipc_handle, &mr, BL31_LIMIT, reg_end);
+ if (err) {
+ ERROR("sc_rm_memreg_alloc failed, 0x%llx -- 0x%llx\n", (sc_faddr_t)BL31_LIMIT, reg_end);
+ } else {
+ err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
+ if (err)
+ ERROR("Memreg assign failed, 0x%llx -- 0x%llx\n", (sc_faddr_t)BL31_LIMIT, reg_end);
+ }
+ }
+#ifdef SPD_trusty
+ if (mr_tee_atf_same) {
+ if ((BL32_LIMIT - 1) < end) {
+ reg_start = BL32_LIMIT;
+ err = sc_rm_memreg_alloc(ipc_handle, &mr, reg_start, end);
+ if (err) {
+ ERROR("sc_rm_memreg_alloc failed, 0x%llx -- 0x%llx\n", reg_start, reg_end);
+ } else {
+ err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
+ if (err)
+ ERROR("Memreg assign failed, 0x%llx -- 0x%llx\n", reg_start, reg_end);
+ }
+ }
+ }
+#endif
- if (start < (BL31_BASE - 1)) {
- err = sc_rm_memreg_alloc(ipc_handle, &mr, start, BL31_BASE - 1);
- if (err)
- ERROR("sc_rm_memreg_alloc failed, 0x%llx -- 0x%llx\n",
- start, (sc_faddr_t)BL31_BASE - 1);
- err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
+ if (start < (BL31_BASE - 1)) {
+ err = sc_rm_memreg_alloc(ipc_handle, &mr, start, BL31_BASE - 1);
if (err)
- ERROR("Memreg assign failed, 0x%llx -- 0x%llx\n",
+ ERROR("sc_rm_memreg_alloc failed, 0x%llx -- 0x%llx\n",
start, (sc_faddr_t)BL31_BASE - 1);
+ err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
+ if (err)
+ ERROR("Memreg assign failed, 0x%llx -- 0x%llx\n",
+ start, (sc_faddr_t)BL31_BASE - 1);
+ }
}
}
@@ -366,6 +439,14 @@ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
bl33_image_ep_info.pc = PLAT_NS_IMAGE_OFFSET;
bl33_image_ep_info.spsr = get_spsr_for_bl33_entry();
+#ifdef SPD_trusty
+ SET_PARAM_HEAD(&bl32_image_ep_info, PARAM_EP, VERSION_1, 0);
+ SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE);
+ bl32_image_ep_info.pc = BL32_BASE;
+ bl32_image_ep_info.spsr = 0;
+ bl32_image_ep_info.args.arg0 = BL32_SIZE;
+ bl32_image_ep_info.args.arg1 = BL32_BASE;
+#endif
SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE);
/* init the first cluster's cci slave interface */
@@ -390,6 +471,10 @@ void bl31_plat_arch_setup(void)
MT_RW | MT_MEMORY | MT_SECURE);
mmap_add(imx_mmap);
+#ifdef SPD_trusty
+ mmap_add_region(BL32_BASE, BL32_BASE, BL32_SIZE, MT_MEMORY | MT_RW);
+#endif
+
#if USE_COHERENT_MEM
mmap_add_region(coh_start, coh_start, coh_size,
MT_DEVICE | MT_RW | MT_SECURE);
@@ -426,3 +511,12 @@ void bl31_plat_runtime_setup(void)
{
return;
}
+
+#ifdef SPD_trusty
+void plat_trusty_set_boot_args(aapcs64_params_t *args)
+{
+ args->arg0 = BL32_SIZE;
+ args->arg1 = BL32_BASE;
+ args->arg2 = TRUSTY_PARAMS_LEN_BYTES;
+}
+#endif
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-17 23:23:43 +0000