commit a403c3a9a3e28f06bfd6882ee06e19eca65e9278
author Haojian Zhuang <haojian.zhuang@linaro.org> Wed Apr 11 19:06:14 2018 +0800
committer Haojian Zhuang <haojian.zhuang@linaro.org> Wed Apr 11 19:06:14 2018 +0800
tree 8a7257d94ea110f2a4c87b5e7a2e0a3532eea75b
parent da7109a5b3731e8fcff30ebe207b6081c8db9478

hikey: clean sram before mcu used

Clean cache to flush parameters into SRAM before MCU using them.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>

plat/hisilicon/hikey/hikey_bl2_setup.c

diff --git a/plat/hisilicon/hikey/hikey_bl2_setup.c b/plat/hisilicon/hikey/hikey_bl2_setup.c
index 2d9768f..a3fc607 100644
--- a/plat/hisilicon/hikey/hikey_bl2_setup.c
+++ b/plat/hisilicon/hikey/hikey_bl2_setup.c
@@ -304,15 +304,13 @@
 	hikey_gpio_init();
 	hikey_pmussi_init();
 	hikey_hi6553_init();
+	/* Clear SRAM since it'll be used by MCU right now. */
+	memset((void *)SRAM_BASE, 0, SRAM_SIZE);
 
 	dsb();
 	hikey_ddr_init(DDR_FREQ_800M);
 	hikey_security_setup();
 
-	/* Clear SRAM since it'll be used by MCU right now. */
-	memset((void *)SRAM_BASE, 0, SRAM_SIZE);
-	clean_dcache_range(SRAM_BASE, SRAM_SIZE);
-
 	hikey_boardid_init();
 	init_acpu_dvfs();
 	hikey_rtc_init();
@@ -321,6 +319,9 @@
 
 	hikey_mmc_pll_init();
 
+	/* Clean SRAM before MCU used */
+	clean_dcache_range(SRAM_BASE, SRAM_SIZE);
+
 	reset_dwmmc_clk();
 	memset(&params, 0, sizeof(dw_mmc_params_t));
 	params.reg_base = DWMMC0_BASE;