HiKey: init EDMA controller with non secure mode
Init EDMA controller with non secure mode. A lot of peripherals are depend on EDMA controller. But EDMA controller is in secure mode by default. And this operation has to be executed in secure mode. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
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@ -16,6 +16,7 @@
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#include <hi6220.h>
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#include <hisi_ipc.h>
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#include <hisi_pwrc.h>
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#include <mmio.h>
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#include <platform_def.h>
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#include "hikey_def.h"
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@ -152,6 +153,20 @@ void bl31_plat_arch_setup(void)
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BL31_COHERENT_RAM_LIMIT);
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}
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/* Initialize EDMAC controller with non-secure mode. */
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static void hikey_edma_init(void)
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{
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int i;
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uint32_t non_secure;
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non_secure = EDMAC_SEC_CTRL_INTR_SEC | EDMAC_SEC_CTRL_GLOBAL_SEC;
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mmio_write_32(EDMAC_SEC_CTRL, non_secure);
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for (i = 0; i < EDMAC_CHANNEL_NUMS; i++) {
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mmio_write_32(EDMAC_AXI_CONF(i), (1 << 6) | (1 << 18));
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}
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}
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void bl31_platform_setup(void)
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{
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/* Initialize the GIC driver, cpu and distributor interfaces */
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@ -160,6 +175,8 @@ void bl31_platform_setup(void)
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gicv2_pcpu_distif_init();
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gicv2_cpuif_enable();
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hikey_edma_init();
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hisi_ipc_init();
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hisi_pwrc_setup();
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}
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@ -42,6 +42,13 @@
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#define DWUSB_BASE 0xF72C0000
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#define EDMAC_BASE 0xf7370000
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#define EDMAC_SEC_CTRL (EDMAC_BASE + 0x694)
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#define EDMAC_AXI_CONF(x) (EDMAC_BASE + 0x820 + (x << 6))
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#define EDMAC_SEC_CTRL_INTR_SEC (1 << 1)
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#define EDMAC_SEC_CTRL_GLOBAL_SEC (1 << 0)
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#define EDMAC_CHANNEL_NUMS 16
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#define PMUSSI_BASE 0xF8000000
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#define SP804_TIMER0_BASE 0xF8008000
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