Update hisilicon drivers to not rely on undefined overflow behaviour

This consists of ensuring that the left operand of each shift is
unsigned when the operation might overflow into the sign bit.

Change-Id: I67984b6c48c08af61e95a4dbd18047e2c3151f9a
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>

plat/hisilicon/hikey/hikey_ddr.c

@@ -138,7 +138,7 @@ static void init_freq(void)
 	mmio_write_32((0xf6504000 + 0x06c), data);
 
 	data = mmio_read_32((0xf6504000 + 0x06c));
-	data &= ~(0xffffff << 8);
+	data &= ~(0xffffffu << 8);
 	data |= 0xc7a << 8;
 	mmio_write_32((0xf6504000 + 0x06c), data);
 

plat/hisilicon/hikey/include/hi6220_regs_ao.h

@@ -222,14 +222,14 @@
 #define AO_SC_SYS_CTRL1_BUS_DFS_FORE_HD_CFG1_MSK		(1 << 27)
 #define AO_SC_SYS_CTRL1_USIM0_HPD_OE_SFT_MSK			(1 << 28)
 #define AO_SC_SYS_CTRL1_USIM1_HPD_OE_SFT_MSK			(1 << 29)
-#define AO_SC_SYS_CTRL1_MCU_CLKEN_HARDCFG_MSK			(1 << 31)
+#define AO_SC_SYS_CTRL1_MCU_CLKEN_HARDCFG_MSK			(1U << 31)
 
 #define AO_SC_SYS_CTRL2_MCU_SFT_RST_STAT_CLEAR			(1 << 26)
 #define AO_SC_SYS_CTRL2_MCU_WDG0_RST_STAT_CLEAR			(1 << 27)
 #define AO_SC_SYS_CTRL2_TSENSOR_RST_STAT_CLEAR			(1 << 28)
 #define AO_SC_SYS_CTRL2_ACPU_WDG_RST_STAT_CLEAR			(1 << 29)
 #define AO_SC_SYS_CTRL2_MCU_WDG1_RST_STAT_CLEAR			(1 << 30)
-#define AO_SC_SYS_CTRL2_GLB_SRST_STAT_CLEAR			(1 << 31)
+#define AO_SC_SYS_CTRL2_GLB_SRST_STAT_CLEAR			(1U << 31)
 
 #define AO_SC_SYS_STAT0_MCU_RST_STAT				(1 << 25)
 #define AO_SC_SYS_STAT0_MCU_SOFTRST_STAT			(1 << 26)
@@ -237,7 +237,7 @@
 #define AO_SC_SYS_STAT0_TSENSOR_HARDRST_STAT			(1 << 28)
 #define AO_SC_SYS_STAT0_ACPU_WD_GLB_RST_STAT			(1 << 29)
 #define AO_SC_SYS_STAT0_CM3_WDG1_RST_STAT			(1 << 30)
-#define AO_SC_SYS_STAT0_GLB_SRST_STAT				(1 << 31)
+#define AO_SC_SYS_STAT0_GLB_SRST_STAT				(1U << 31)
 
 #define AO_SC_SYS_STAT1_MODE_STATUS				(1 << 0)
 #define AO_SC_SYS_STAT1_BOOT_SEL_LOCK				(1 << 16)
@@ -308,7 +308,7 @@
 #define AO_SC_PERIPH_CLKEN4_CLK_JTAG_AUTH			(1 << 28)
 #define AO_SC_PERIPH_CLKEN4_CLK_CS_DAPB_ON			(1 << 29)
 #define AO_SC_PERIPH_CLKEN4_CLK_PDM				(1 << 30)
-#define AO_SC_PERIPH_CLKEN4_CLK_SSI_PAD				(1 << 31)
+#define AO_SC_PERIPH_CLKEN4_CLK_SSI_PAD				(1U << 31)
 
 #define AO_SC_PERIPH_CLKEN5_PCLK_PMUSSI_CCPU			(1 << 0)
 #define AO_SC_PERIPH_CLKEN5_PCLK_EFUSEC_CCPU			(1 << 1)

plat/hisilicon/hikey/include/hi6220_regs_peri.h

@@ -134,7 +134,7 @@
 #define PERI_CTRL4_OTG_SESSEND			(1 << 28)
 #define PERI_CTRL4_OTG_BVALID			(1 << 29)
 #define PERI_CTRL4_OTG_AVALID			(1 << 30)
-#define PERI_CTRL4_OTG_VBUSVALID		(1 << 31)
+#define PERI_CTRL4_OTG_VBUSVALID		(1U << 31)
 
 /* PERI_SC_PERIPH_CTRL5 */
 #define PERI_CTRL5_USBOTG_RES_SEL		(1 << 3)

plat/hisilicon/hikey960/drivers/pwrc/hisi_pwrc.c

@@ -23,7 +23,7 @@
 #define RES2_LOCK_BASE		(SOC_PCTRL_RESOURCE2_LOCK_ADDR(PCTRL_BASE))
 
 #define LOCK_BIT			(0x1 << 28)
-#define LOCK_ID_MASK			(0x7 << 29)
+#define LOCK_ID_MASK			(0x7u << 29)
 #define CPUIDLE_LOCK_ID(core)		(0x6 - (core))
 #define LOCK_UNLOCK_OFFSET		0x4
 #define LOCK_STAT_OFFSET		0x8

plat/hisilicon/hikey960/include/hi3660.h

@@ -67,7 +67,7 @@
 #define SCTRL_SCPERDIS1_REG		(SCTRL_REG_BASE + 0x174)
 #define SCTRL_SCPEREN1_REG		(SCTRL_REG_BASE + 0x170)
 #define SCTRL_SCPERDIS1_REG		(SCTRL_REG_BASE + 0x174)
-#define SCPEREN1_WAIT_DDR_SELFREFRESH_DONE_BYPASS	(1 << 31)
+#define SCPEREN1_WAIT_DDR_SELFREFRESH_DONE_BYPASS	(1u << 31)
 #define SCPEREN_GT_PCLK_MMBUFCFG	(1 << 25)
 #define SCPEREN_GT_PCLK_MMBUF		(1 << 23)
 #define SCPEREN_GT_ACLK_MMBUF		(1 << 22)

plat/hisilicon/hikey960/include/hi3660_crg.h

@@ -11,7 +11,7 @@
 #define CRG_PEREN0_REG			(CRG_REG_BASE + 0x000)
 #define CRG_PERDIS0_REG			(CRG_REG_BASE + 0x004)
 #define CRG_PERSTAT0_REG		(CRG_REG_BASE + 0x008)
-#define PEREN0_GT_CLK_AOMM		(1 << 31)
+#define PEREN0_GT_CLK_AOMM		(1U << 31)
 
 #define CRG_PEREN1_REG			(CRG_REG_BASE + 0x010)
 #define CRG_PERDIS1_REG			(CRG_REG_BASE + 0x014)
@@ -62,7 +62,7 @@
 #define CRG_PERRSTSTAT5_REG		(CRG_REG_BASE + 0x0A4)
 
 /* bit fields in CRG_PERI */
-#define PERI_PCLK_PCTRL_BIT		(1 << 31)
+#define PERI_PCLK_PCTRL_BIT		(1U << 31)
 #define PERI_TIMER12_BIT		(1 << 25)
 #define PERI_TIMER11_BIT		(1 << 24)
 #define PERI_TIMER10_BIT		(1 << 23)

plat/hisilicon/hikey960/include/hi3660_hkadc.h

@@ -13,7 +13,7 @@
 #define HKADC_DSP_START_CLR_REG			(HKADC_SSI_REG_BASE + 0x01C)
 #define HKADC_WR01_DATA_REG			(HKADC_SSI_REG_BASE + 0x020)
 
-#define WR1_WRITE_MODE				(1 << 31)
+#define WR1_WRITE_MODE				(1U << 31)
 #define WR1_READ_MODE				(0 << 31)
 #define WR1_ADDR(x)				(((x) & 0x7F) << 24)
 #define WR1_DATA(x)				(((x) & 0xFF) << 16)
@@ -47,7 +47,7 @@
 
 #define HKADC_WR01_VALUE			((HKADC_START_ADDR << 24) | \
 						 (0x1 << 16))
-#define HKADC_WR23_VALUE			((0x1 << 31) |		\
+#define HKADC_WR23_VALUE			((0x1u << 31) |		\
 						 (HKADC_DATA0_ADDR << 24) | \
 						 (1 << 15) |		\
 						 (HKADC_DATA1_ADDR << 8))