ddr: altera: soc64: Integer fix overflow that caused DDR size mismatched
Convert the constant integer to 'phys_size_t' to avoid overflow
when calculating the SDRAM size.
Signed-off-by: Dinesh Maniyam <dinesh.maniyam@intel.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@intel.com>
diff --git a/drivers/ddr/altera/sdram_soc64.c b/drivers/ddr/altera/sdram_soc64.c
index d6baac2..9b1710c 100644
--- a/drivers/ddr/altera/sdram_soc64.c
+++ b/drivers/ddr/altera/sdram_soc64.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (C) 2016-2021 Intel Corporation <www.intel.com>
+ * Copyright (C) 2016-2022 Intel Corporation <www.intel.com>
*
*/
@@ -239,7 +239,8 @@
{
u32 dramaddrw = hmc_readl(plat, DRAMADDRW);
- phys_size_t size = 1 << (DRAMADDRW_CFG_CS_ADDR_WIDTH(dramaddrw) +
+ phys_size_t size = (phys_size_t)1 <<
+ (DRAMADDRW_CFG_CS_ADDR_WIDTH(dramaddrw) +
DRAMADDRW_CFG_BANK_GRP_ADDR_WIDTH(dramaddrw) +
DRAMADDRW_CFG_BANK_ADDR_WIDTH(dramaddrw) +
DRAMADDRW_CFG_ROW_ADDR_WIDTH(dramaddrw) +