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Diffstat (limited to 'plat/allwinner/common/sunxi_common.c')
-rw-r--r--plat/allwinner/common/sunxi_common.c119
1 files changed, 46 insertions, 73 deletions
diff --git a/plat/allwinner/common/sunxi_common.c b/plat/allwinner/common/sunxi_common.c
index 0ca18adc33..62f4fcbd9e 100644
--- a/plat/allwinner/common/sunxi_common.c
+++ b/plat/allwinner/common/sunxi_common.c
@@ -1,36 +1,28 @@
/*
- * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <errno.h>
-#include <platform_def.h>
-
-#include <arch_helpers.h>
#include <common/debug.h>
#include <lib/mmio.h>
+#include <lib/smccc.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
-#include <plat/common/platform.h>
+#include <services/arm_arch_svc.h>
#include <sunxi_def.h>
#include <sunxi_mmap.h>
#include <sunxi_private.h>
-static const mmap_region_t sunxi_mmap[PLATFORM_MMAP_REGIONS + 1] = {
+static const mmap_region_t sunxi_mmap[MAX_STATIC_MMAP_REGIONS + 1] = {
MAP_REGION_FLAT(SUNXI_SRAM_BASE, SUNXI_SRAM_SIZE,
- MT_RW_DATA | MT_SECURE),
- MAP_REGION_FLAT(SUNXI_SCP_BASE, SUNXI_SCP_SIZE,
MT_DEVICE | MT_RW | MT_SECURE | MT_EXECUTE_NEVER),
MAP_REGION_FLAT(SUNXI_DEV_BASE, SUNXI_DEV_SIZE,
MT_DEVICE | MT_RW | MT_SECURE | MT_EXECUTE_NEVER),
- MAP_REGION(SUNXI_DRAM_BASE, SUNXI_DRAM_VIRT_BASE, SUNXI_DRAM_SEC_SIZE,
- MT_RW_DATA | MT_SECURE),
- MAP_REGION(PLAT_SUNXI_NS_IMAGE_OFFSET,
- SUNXI_DRAM_VIRT_BASE + SUNXI_DRAM_SEC_SIZE,
- SUNXI_DRAM_MAP_SIZE,
- MT_RO_DATA | MT_NS),
+ MAP_REGION(PRELOADED_BL33_BASE, SUNXI_BL33_VIRT_BASE,
+ SUNXI_DRAM_MAP_SIZE, MT_RW_DATA | MT_NS),
{},
};
@@ -39,26 +31,29 @@ unsigned int plat_get_syscnt_freq2(void)
return SUNXI_OSC24M_CLK_IN_HZ;
}
-uintptr_t plat_get_ns_image_entrypoint(void)
-{
-#ifdef PRELOADED_BL33_BASE
- return PRELOADED_BL33_BASE;
-#else
- return PLAT_SUNXI_NS_IMAGE_OFFSET;
-#endif
-}
-
void sunxi_configure_mmu_el3(int flags)
{
mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
BL_CODE_END - BL_CODE_BASE,
MT_CODE | MT_SECURE);
+ mmap_add_region(BL_CODE_END, BL_CODE_END,
+ BL_END - BL_CODE_END,
+ MT_RW_DATA | MT_SECURE);
+#if SEPARATE_CODE_AND_RODATA
mmap_add_region(BL_RO_DATA_BASE, BL_RO_DATA_BASE,
BL_RO_DATA_END - BL_RO_DATA_BASE,
MT_RO_DATA | MT_SECURE);
+#endif
+#if SEPARATE_NOBITS_REGION
+ mmap_add_region(BL_NOBITS_BASE, BL_NOBITS_BASE,
+ BL_NOBITS_END - BL_NOBITS_BASE,
+ MT_RW_DATA | MT_SECURE);
+#endif
+#if USE_COHERENT_MEM
mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
MT_DEVICE | MT_RW | MT_SECURE | MT_EXECUTE_NEVER);
+#endif
mmap_add(sunxi_mmap);
init_xlat_tables();
@@ -125,11 +120,10 @@ int sunxi_init_platform_r_twi(uint16_t socid, bool use_rsb)
device_bit = BIT(6);
break;
case SUNXI_SOC_H6:
- if (use_rsb)
- return -ENODEV;
- pin_func = 0x33;
+ case SUNXI_SOC_H616:
+ pin_func = use_rsb ? 0x22 : 0x33;
device_bit = BIT(16);
- reset_offset = 0x19c;
+ reset_offset = use_rsb ? 0x1bc : 0x19c;
break;
case SUNXI_SOC_A64:
pin_func = use_rsb ? 0x22 : 0x33;
@@ -141,7 +135,7 @@ int sunxi_init_platform_r_twi(uint16_t socid, bool use_rsb)
}
/* un-gate R_PIO clock */
- if (socid != SUNXI_SOC_H6)
+ if (socid != SUNXI_SOC_H6 && socid != SUNXI_SOC_H616)
mmio_setbits_32(SUNXI_R_PRCM_BASE + 0x28, BIT(0));
/* switch pins PL0 and PL1 to the desired function */
@@ -154,10 +148,10 @@ int sunxi_init_platform_r_twi(uint16_t socid, bool use_rsb)
mmio_clrsetbits_32(SUNXI_R_PIO_BASE + 0x1c, 0x0fU, 0x5U);
/* un-gate clock */
- if (socid != SUNXI_SOC_H6)
+ if (socid != SUNXI_SOC_H6 && socid != SUNXI_SOC_H616)
mmio_setbits_32(SUNXI_R_PRCM_BASE + 0x28, device_bit);
else
- mmio_setbits_32(SUNXI_R_PRCM_BASE + 0x19c, device_bit | BIT(0));
+ mmio_setbits_32(SUNXI_R_PRCM_BASE + reset_offset, BIT(0));
/* assert, then de-assert reset of I2C/RSB controller */
mmio_clrbits_32(SUNXI_R_PRCM_BASE + reset_offset, device_bit);
@@ -166,49 +160,28 @@ int sunxi_init_platform_r_twi(uint16_t socid, bool use_rsb)
return 0;
}
-/* This lock synchronises access to the arisc management processor. */
-DEFINE_BAKERY_LOCK(arisc_lock);
+int32_t plat_is_smccc_feature_available(u_register_t fid)
+{
+ switch (fid) {
+ case SMCCC_ARCH_SOC_ID:
+ return SMC_ARCH_CALL_SUCCESS;
+ default:
+ return SMC_ARCH_CALL_NOT_SUPPORTED;
+ }
+}
+
+int32_t plat_get_soc_version(void)
+{
+ int32_t ret;
-/*
- * Tell the "arisc" SCP core (an OpenRISC core) to execute some code.
- * We don't have any service running there, so we place some OpenRISC code
- * in SRAM, put the address of that into the reset vector and release the
- * arisc reset line. The SCP will execute that code and pull the line up again.
- */
-void sunxi_execute_arisc_code(uint32_t *code, size_t size, uint16_t param)
+ ret = SOC_ID_SET_JEP_106(JEDEC_ALLWINNER_BKID, JEDEC_ALLWINNER_MFID);
+
+ return ret | (sunxi_read_soc_id() & SOC_ID_IMPL_DEF_MASK);
+}
+
+int32_t plat_get_soc_revision(void)
{
- uintptr_t arisc_reset_vec = SUNXI_SRAM_A2_BASE + 0x100;
-
- do {
- bakery_lock_get(&arisc_lock);
- /* Wait until the arisc is in reset state. */
- if (!(mmio_read_32(SUNXI_R_CPUCFG_BASE) & BIT(0)))
- break;
-
- bakery_lock_release(&arisc_lock);
- } while (1);
-
- /* Patch up the code to feed in an input parameter. */
- code[0] = (code[0] & ~0xffff) | param;
- clean_dcache_range((uintptr_t)code, size);
-
- /*
- * The OpenRISC unconditional branch has opcode 0, the branch offset
- * is in the lower 26 bits, containing the distance to the target,
- * in instruction granularity (32 bits).
- */
- mmio_write_32(arisc_reset_vec, ((uintptr_t)code - arisc_reset_vec) / 4);
- clean_dcache_range(arisc_reset_vec, 4);
-
- /* De-assert the arisc reset line to let it run. */
- mmio_setbits_32(SUNXI_R_CPUCFG_BASE, BIT(0));
-
- /*
- * We release the lock here, although the arisc is still busy.
- * But as long as it runs, the reset line is high, so other users
- * won't leave the loop above.
- * Once it has finished, the code is supposed to clear the reset line,
- * to signal this to other users.
- */
- bakery_lock_release(&arisc_lock);
+ uint32_t reg = mmio_read_32(SRAM_VER_REG);
+
+ return reg & SUNXI_VER_BITS_MASK;
}