rockchip: add pmusram section
the function pmu_cpuon_entrypoint() need to run in the pmusram,
we just copy bin file to pmusram before, now we add pmusram section
and link pmu_cpuon_entrypoint() to pmusram directly
Change-Id: Iae31e4c01c480c8e6f565a8f588332b478efdb16
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
diff --git a/plat/rockchip/rk3399/include/plat.ld.S b/plat/rockchip/rk3399/include/plat.ld.S
index 49206be..86ca049 100644
--- a/plat/rockchip/rk3399/include/plat.ld.S
+++ b/plat/rockchip/rk3399/include/plat.ld.S
@@ -8,6 +8,7 @@
MEMORY {
SRAM (rwx): ORIGIN = SRAM_BASE, LENGTH = SRAM_SIZE
+ PMUSRAM (rwx): ORIGIN = PMUSRAM_BASE, LENGTH = PMUSRAM_RSIZE
}
SECTIONS
@@ -47,6 +48,33 @@
. = ALIGN(4096);
__bl31_sram_data_end = .;
} >SRAM
+
+ .stack_sram : ALIGN(4096) {
+ __bl31_sram_stack_start = .;
+ . += 4096;
+ __bl31_sram_stack_end = .;
+ } >SRAM
+
+ . = PMUSRAM_BASE;
+
+ /*
+ * pmu_cpuson_entrypoint request address
+ * align 64K when resume, so put it in the
+ * start of pmusram
+ */
+ .pmusram : {
+ ASSERT(. == ALIGN(64 * 1024),
+ ".pmusram.entry request 64K aligned.");
+ *(.pmusram.entry)
+ __bl31_pmusram_text_start = .;
+ *(.pmusram.text)
+ *(.pmusram.rodata)
+ __bl31_pmusram_text_end = .;
+ __bl31_pmusram_data_start = .;
+ *(.pmusram.data)
+ __bl31_pmusram_data_end = .;
+
+ } >PMUSRAM
}
#endif /* __ROCKCHIP_PLAT_LD_S__ */
diff --git a/plat/rockchip/rk3399/include/platform_def.h b/plat/rockchip/rk3399/include/platform_def.h
index f4427d0..4937229 100644
--- a/plat/rockchip/rk3399/include/platform_def.h
+++ b/plat/rockchip/rk3399/include/platform_def.h
@@ -107,4 +107,5 @@
#define PLAT_RK_PRIMARY_CPU 0x0
+#define PSRAM_DO_DDR_RESUME 1
#endif /* __PLATFORM_DEF_H__ */