Merge branch 'aosp/upstream-master' into HEADandroid-s-preview-1

This keeps the bl31 interface change reverted which still has not been
fixed in upstream U-Boot for rockchip devices.

Test: CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rk3399 \
        DEBUG=0 ERROR_DEPRECATED=1 bl31
Signed-off-by: Alistair Delva <adelva@google.com>
Change-Id: I7c3972a7b767715efb05593096d5d92dba14c609

1 files changed, 81 insertions, 3 deletions

diff --git a/drivers/marvell/cache_llc.c b/drivers/marvell/cache_llc.c
index 3df93a43b..4b06b4752 100644
--- a/drivers/marvell/cache_llc.c
+++ b/drivers/marvell/cache_llc.c
@@ -31,19 +31,19 @@ void llc_cache_sync(int ap_index)
 
 void llc_flush_all(int ap_index)
 {
-	mmio_write_32(L2X0_CLEAN_INV_WAY(ap_index), LLC_WAY_MASK);
+	mmio_write_32(LLC_CLEAN_INV_WAY(ap_index), LLC_ALL_WAYS_MASK);
 	llc_cache_sync(ap_index);
 }
 
 void llc_clean_all(int ap_index)
 {
-	mmio_write_32(L2X0_CLEAN_WAY(ap_index), LLC_WAY_MASK);
+	mmio_write_32(LLC_CLEAN_WAY(ap_index), LLC_ALL_WAYS_MASK);
 	llc_cache_sync(ap_index);
 }
 
 void llc_inv_all(int ap_index)
 {
-	mmio_write_32(L2X0_INV_WAY(ap_index), LLC_WAY_MASK);
+	mmio_write_32(LLC_INV_WAY(ap_index), LLC_ALL_WAYS_MASK);
 	llc_cache_sync(ap_index);
 }
 
@@ -109,3 +109,81 @@ void llc_runtime_enable(int ap_index)
 	reg |= (0x1 << CCU_SET_POC_OFFSET);
 	mmio_write_32(CCU_HTC_CR(ap_index), reg);
 }
+
+#if LLC_SRAM
+int llc_sram_enable(int ap_index, int size)
+{
+	uint32_t tc, way, ways_to_allocate;
+	uint32_t way_addr;
+
+	if ((size <= 0) || (size > LLC_SIZE) || (size % LLC_WAY_SIZE))
+		return -1;
+
+	llc_enable(ap_index, 1);
+	llc_inv_all(ap_index);
+
+	ways_to_allocate = size / LLC_WAY_SIZE;
+
+	/* Lockdown all available ways for all traffic classes */
+	for (tc = 0; tc < LLC_TC_NUM; tc++)
+		mmio_write_32(LLC_TCN_LOCK(ap_index, tc), LLC_ALL_WAYS_MASK);
+
+	/* Clear the high bits of SRAM address */
+	mmio_write_32(LLC_BANKED_MNT_AHR(ap_index), 0);
+
+	way_addr = PLAT_MARVELL_TRUSTED_RAM_BASE;
+	for (way = 0; way < ways_to_allocate; way++) {
+		/* Trigger allocation block command */
+		mmio_write_32(LLC_BLK_ALOC(ap_index),
+			      LLC_BLK_ALOC_BASE_ADDR(way_addr) |
+			      LLC_BLK_ALOC_WAY_DATA_SET |
+			      LLC_BLK_ALOC_WAY_ID(way));
+		way_addr += LLC_WAY_SIZE;
+	}
+	return 0;
+}
+
+void llc_sram_disable(int ap_index)
+{
+	uint32_t tc;
+
+	/* Disable the line lockings */
+	for (tc = 0; tc < LLC_TC_NUM; tc++)
+		mmio_write_32(LLC_TCN_LOCK(ap_index, tc), 0);
+
+	/* Invalidate all ways */
+	llc_inv_all(ap_index);
+}
+
+int llc_sram_test(int ap_index, int size, char *msg)
+{
+	uintptr_t addr, end_addr;
+	uint32_t data = 0;
+
+	if ((size <= 0) || (size > LLC_SIZE))
+		return -1;
+
+	INFO("=== LLC SRAM WRITE test %s\n", msg);
+	for (addr = PLAT_MARVELL_TRUSTED_RAM_BASE,
+	     end_addr = PLAT_MARVELL_TRUSTED_RAM_BASE + size;
+	     addr < end_addr; addr += 4) {
+		mmio_write_32(addr, addr);
+	}
+	INFO("=== LLC SRAM WRITE test %s PASSED\n", msg);
+	INFO("=== LLC SRAM READ test %s\n", msg);
+	for (addr = PLAT_MARVELL_TRUSTED_RAM_BASE,
+	     end_addr = PLAT_MARVELL_TRUSTED_RAM_BASE + size;
+	     addr < end_addr; addr += 4) {
+		data = mmio_read_32(addr);
+		if (data != addr) {
+			INFO("=== LLC SRAM READ test %s FAILED @ 0x%08lx)\n",
+			     msg, addr);
+			return -1;
+		}
+	}
+	INFO("=== LLC SRAM READ test %s PASSED (last read = 0x%08x)\n",
+	     msg, data);
+	return 0;
+}
+
+#endif /* LLC_SRAM */