diff --git a/src/lib/rmodule.ld b/src/lib/rmodule.ld
index 340fe7a..ddf79257 100644
--- a/src/lib/rmodule.ld
+++ b/src/lib/rmodule.ld
@@ -6,7 +6,7 @@
  * NOTE:  The program's loadable sections (text, module_params, and data) are
  * packed into the flat blob. The rmodule loader assumes the entire program
  * resides in one contiguous address space. Therefore, alignment for a given
- * section (if required) needs to be done at the end of the preceeding section.
+ * section (if required) needs to be done at the end of the preceding section.
  * e.g. if the data section should be aligned to an 8 byte address the text
  * section should have ALIGN(8) at the end of its section.  Otherwise there
  * won't be a consistent mapping between the flat blob and the loaded program.
diff --git a/src/northbridge/amd/amdfam10/misc_control.c b/src/northbridge/amd/amdfam10/misc_control.c
index 028f6af..8323c1e 100644
--- a/src/northbridge/amd/amdfam10/misc_control.c
+++ b/src/northbridge/amd/amdfam10/misc_control.c
@@ -19,7 +19,7 @@
 
 /* Turn off machine check triggers when reading
  * pci space where there are no devices.
- * This is necessary when scaning the bus for
+ * This is necessary when scanning the bus for
  * devices which is done by the kernel
  */
 
diff --git a/src/northbridge/amd/amdmct/mct/mctecc_d.c b/src/northbridge/amd/amdmct/mct/mctecc_d.c
index 18774eb..7be6353 100644
--- a/src/northbridge/amd/amdmct/mct/mctecc_d.c
+++ b/src/northbridge/amd/amdmct/mct/mctecc_d.c
@@ -68,7 +68,7 @@
  * (aka SW memhole, cs hoisting, etc..).To init ECC memory on this node, the
  * scrubber is used in two steps.  First, the Dram Limit for the node is adjusted
  * down to the bottom of the gap, and that ECC dram is initialized.  Second, the
- * orignal Limit is restored, the Scrub base is set to 4GB, and scrubber is
+ * original Limit is restored, the Scrub base is set to 4GB, and scrubber is
  * allowed to run until the Scrub Addr wraps around to zero.
  */
 u8 ECCInit_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstatA)
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctecc_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mctecc_d.c
index 31c23b9..20a636e 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctecc_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctecc_d.c
@@ -83,7 +83,7 @@
  * (aka SW memhole, cs hoisting, etc..).To init ECC memory on this node, the
  * scrubber is used in two steps.  First, the Dram Limit for the node is adjusted
  * down to the bottom of the gap, and that ECC dram is initialized.  Second, the
- * orignal Limit is restored, the Scrub base is set to 4GB, and scrubber is
+ * original Limit is restored, the Scrub base is set to 4GB, and scrubber is
  * allowed to run until the Scrub Addr wraps around to zero.
  */
 u8 ECCInit_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstatA)
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c
index ed942ea..f62aa15 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c
@@ -924,7 +924,7 @@
 	u8 WrLvOdt1 = 0;
 
 	if (is_fam15h()) {
-		/* On Family15h processors, the value for the specific CS being targetted
+		/* On Family15h processors, the value for the specific CS being targeted
 		 * is taken from F2x238 / F2x23C as appropriate, then loaded into F2x9C_x0000_0008
 		 */
 
diff --git a/src/northbridge/amd/amdmct/wrappers/mcti_d.c b/src/northbridge/amd/amdmct/wrappers/mcti_d.c
index 3d9ff3e..bcf3ddc 100644
--- a/src/northbridge/amd/amdmct/wrappers/mcti_d.c
+++ b/src/northbridge/amd/amdmct/wrappers/mcti_d.c
@@ -170,7 +170,7 @@
 	case NV_SPDCHK_RESTRT:
 		val = 0;	/* Exit current node initialization if any DIMM has SPD checksum error */
 		//val = 1;	/* Ignore faulty SPD checksum (DIMM will still be disabled), continue current node initialization */
-		//val = 2;	/* Override faulty SPD checksum (DIMM will be enabled), continue current node intialization */
+		//val = 2;	/* Override faulty SPD checksum (DIMM will be enabled), continue current node initialization */
 
 		if (get_option(&nvram, "dimm_spd_checksum") == CB_SUCCESS)
 			val = nvram & 0x3;
diff --git a/src/northbridge/amd/lx/northbridgeinit.c b/src/northbridge/amd/lx/northbridgeinit.c
index 6c2efb3..c7db156 100644
--- a/src/northbridge/amd/lx/northbridgeinit.c
+++ b/src/northbridge/amd/lx/northbridgeinit.c
@@ -122,7 +122,7 @@
 	int sizembytes, sizebytes;
 
 	/*
-	 * Figure out how much RAM is in the machine and alocate all to the
+	 * Figure out how much RAM is in the machine and allocate all to the
 	 * system. We will adjust for SMM now and Frame Buffer later.
 	 */
 	sizembytes = sizeram();
@@ -272,7 +272,7 @@
 		 * base of 1M and top of around 256M
 		 */
 		/* we have to create a page-aligned (4KB page) address for base and top */
-		/* So we need a high page aligned addresss (pah) and low page aligned address (pal)
+		/* So we need a high page aligned address (pah) and low page aligned address (pal)
 		 * pah is from msr.hi << 12 | msr.low >> 20. pal is msr.lo << 12
 		 */
 		pah = ((msr.hi & 0xFF) << 12) | ((msr.lo >> 20) & 0xFFF);
diff --git a/src/northbridge/intel/gm45/raminit.c b/src/northbridge/intel/gm45/raminit.c
index 08f954d..03f617c 100644
--- a/src/northbridge/intel/gm45/raminit.c
+++ b/src/northbridge/intel/gm45/raminit.c
@@ -869,7 +869,7 @@
 
 static void rcomp_initialization(const stepping_t stepping, const int sff)
 {
-	/* Programm RCOMP codes. */
+	/* Program RCOMP codes. */
 	if (sff)
 		die("SFF platform unsupported in RCOMP initialization.\n");
 	/* Values are for DDR3. */
@@ -1825,7 +1825,7 @@
 	/* Some last optimizations. */
 	dram_optimizations(timings, dimms);
 
-	/* Mark raminit beeing finished. :-) */
+	/* Mark raminit being finished. :-) */
 	u8 tmp8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2) & ~(1 << 7);
 	pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, tmp8);
 
diff --git a/src/northbridge/intel/pineview/raminit.c b/src/northbridge/intel/pineview/raminit.c
index 66f0a10..2a1e34c 100644
--- a/src/northbridge/intel/pineview/raminit.c
+++ b/src/northbridge/intel/pineview/raminit.c
@@ -1972,7 +1972,7 @@
 			MCHBAR32(0x248) = (MCHBAR32(0x248) & ~0xf0000)
 						| (curcoarse << 16);
 			if (curcoarse == 0) {
-				PRINTK_DEBUG("Error: DQS didnt hit 0\n");
+				PRINTK_DEBUG("Error: DQS did not hit 0\n");
 				break;
 			}
 		}
diff --git a/src/northbridge/intel/x4x/raminit_tables.c b/src/northbridge/intel/x4x/raminit_tables.c
index 401af15..ebd1562 100644
--- a/src/northbridge/intel/x4x/raminit_tables.c
+++ b/src/northbridge/intel/x4x/raminit_tables.c
@@ -332,7 +332,7 @@
 			{0x0189, 0x000aaa}, /* CAS = 5 */
 			{0x0189, 0x101aaa}, /* CAS = 6 */
 			{0x0000, 0x000000}, /* CAS = 7 - Not supported */
-			{0x0000, 0x000000} /* CAS = 8 - Not suppported */
+			{0x0000, 0x000000} /* CAS = 8 - Not supported */
 		},
 		{ /* DDR3 1067 */
 			{0x0000, 0x000000}, /* CAS = 5 - Not supported */
diff --git a/src/northbridge/via/vx900/raminit_ddr3.c b/src/northbridge/via/vx900/raminit_ddr3.c
index eec4aa3..17a87bb 100644
--- a/src/northbridge/via/vx900/raminit_ddr3.c
+++ b/src/northbridge/via/vx900/raminit_ddr3.c
@@ -42,7 +42,7 @@
  *
  * The capture window is not calibrated, but preset. Whether that preset is
  * universal or frequency dependent, and whether it is board-specific or not is
- * not yet clear. @see vx900_dram_calibrate_recieve_delays().
+ * not yet clear. @see vx900_dram_calibrate_receive_delays().
  *
  * 4GBit and 8GBit modules may not work. This is untested. Modules with 11
  * column address bits are not tested. @see vx900_dram_map_row_col_bank()
@@ -166,7 +166,7 @@
 	{0x66, 0x80},		/* DRAM Queue / Arbitration */
 	{0x69, 0xc6},		/* Bank Control: 8 banks, high priority refresh */
 	{0x6a, 0xfc},		/* DRAMC Request Reorder Control */
-	{0x6e, 0x38},		/* Burst lenght: 8, burst-chop: enable */
+	{0x6e, 0x38},		/* Burst length: 8, burst-chop: enable */
 	{0x73, 0x04},		/* Close All Pages Threshold */
 
 	/* The following need to be dynamically asserted */
@@ -1224,7 +1224,7 @@
 	vx900_write_0x78_0x7f(dly->avg);
 }
 
-static void vx900_dram_calibrate_recieve_delays(vx900_delay_calib * delays,
+static void vx900_dram_calibrate_receive_delays(vx900_delay_calib * delays,
 						u8 pinswap)
 {
 	size_t n_tries = 0;
@@ -1417,7 +1417,7 @@
 		/* Only run on first rank, remember? */
 		break;
 	}
-	vx900_dram_calibrate_recieve_delays(&delay_cal,
+	vx900_dram_calibrate_receive_delays(&delay_cal,
 					    ranks->flags[i].pins_mirrored);
 	printram("RX DQS calibration results\n");
 	dump_delay_range(delay_cal.rx_dqs);
diff --git a/src/security/tpm/tss/tcg-2.0/tss_marshaling.c b/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
index 94bfbcf..ad23d9b 100644
--- a/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
+++ b/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
@@ -222,7 +222,7 @@
 	return rc;
 }
 
-/* TPM2_Clear command does not require paramaters. */
+/* TPM2_Clear command does not require parameters. */
 static int marshal_clear(struct obuf *ob)
 {
 	const uint32_t handle[] = { TPM_RH_PLATFORM };
diff --git a/src/soc/broadcom/cygnus/include/soc/shmoo_and28/phy_and28_e2.h b/src/soc/broadcom/cygnus/include/soc/shmoo_and28/phy_and28_e2.h
index 93489bb..7e233fa 100644
--- a/src/soc/broadcom/cygnus/include/soc/shmoo_and28/phy_and28_e2.h
+++ b/src/soc/broadcom/cygnus/include/soc/shmoo_and28/phy_and28_e2.h
@@ -38,7 +38,7 @@
 #endif /* GET & SET */
 
 /***************************************************************************
- *DDR34_CORE_PHY_CONTROL_REGS - DDR34 CORE DDR34 Address/Comand control registers
+ *DDR34_CORE_PHY_CONTROL_REGS - DDR34 CORE DDR34 Address/Command control registers
  ***************************************************************************/
 #define DDR34_CORE_PHY_CONTROL_REGS_REVISION     0x00000000 /* Address & Control revision register */
 #define DDR34_CORE_PHY_CONTROL_REGS_PLL_STATUS   0x00000004 /* PHY PLL status register */
diff --git a/src/soc/intel/cannonlake/reset.c b/src/soc/intel/cannonlake/reset.c
index 26f0a63..140fbff 100644
--- a/src/soc/intel/cannonlake/reset.c
+++ b/src/soc/intel/cannonlake/reset.c
@@ -74,7 +74,7 @@
 		printk(BIOS_DEBUG, "Returned Mkhi Status is not success!\n");
 		return -1;
 	}
-	printk(BIOS_DEBUG, "Heci recieve success!\n");
+	printk(BIOS_DEBUG, "Heci receive success!\n");
 	return 0;
 }
 
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c
index 8651297..4b53117 100644
--- a/src/soc/intel/common/block/cse/cse.c
+++ b/src/soc/intel/common/block/cse/cse.c
@@ -443,7 +443,7 @@
 		do {
 			received = recv_one_message(&hdr, p, left);
 			if (!received) {
-				printk(BIOS_ERR, "HECI: Failed to recieve!\n");
+				printk(BIOS_ERR, "HECI: Failed to receive!\n");
 				return 0;
 			}
 			left -= received;
diff --git a/src/soc/intel/skylake/bootblock/pch.c b/src/soc/intel/skylake/bootblock/pch.c
index 4c88ed5..26ea56a 100644
--- a/src/soc/intel/skylake/bootblock/pch.c
+++ b/src/soc/intel/skylake/bootblock/pch.c
@@ -124,7 +124,7 @@
 	pci_write_config32(PCH_DEV_SMBUS, TCOCTL, reg32);
 
 	/* Program TCO Base */
-	pci_write_config32(PCH_DEV_SMBUS, TCOBASE, TCO_BASE_ADDDRESS);
+	pci_write_config32(PCH_DEV_SMBUS, TCOBASE, TCO_BASE_ADDRESS);
 
 	/* Enable TCO in SMBUS */
 	pci_write_config32(PCH_DEV_SMBUS, TCOCTL, reg32 | TCO_EN);
@@ -133,7 +133,7 @@
 	 * Program "TCO Base Address" PCR[DMI] + 2778h[15:5, 1]
 	 * to [SMBUS PCI offset 50h[15:5], 1].
 	 */
-	pcr_write32(PID_DMI, PCR_DMI_TCOBASE, TCO_BASE_ADDDRESS | (1 << 1));
+	pcr_write32(PID_DMI, PCR_DMI_TCOBASE, TCO_BASE_ADDRESS | (1 << 1));
 
 	/* Program TCO timer halt */
 	tcobase = pci_read_config16(PCH_DEV_SMBUS, TCOBASE);
diff --git a/src/soc/intel/skylake/include/soc/iomap.h b/src/soc/intel/skylake/include/soc/iomap.h
index f2fde71..475d79d 100644
--- a/src/soc/intel/skylake/include/soc/iomap.h
+++ b/src/soc/intel/skylake/include/soc/iomap.h
@@ -87,7 +87,7 @@
 #define ACPI_BASE_ADDRESS	0x1800
 #define ACPI_BASE_SIZE		0x100
 
-#define TCO_BASE_ADDDRESS	0x400
+#define TCO_BASE_ADDRESS	0x400
 #define TCO_BASE_SIZE		0x20
 
 #define P2SB_BAR		CONFIG_PCR_BASE_ADDRESS
diff --git a/src/soc/rockchip/common/include/soc/spi.h b/src/soc/rockchip/common/include/soc/spi.h
index 0e1847c..ce5de83 100644
--- a/src/soc/rockchip/common/include/soc/spi.h
+++ b/src/soc/rockchip/common/include/soc/spi.h
@@ -101,9 +101,9 @@
 /* SSN to Sclk_out delay */
 #define SPI_SSN_DELAY_OFFSET	10
 #define SPI_SSN_DELAY_MASK	0x1
-/* the peroid between ss_n active and sclk_out active is half sclk_out cycles */
+/* the period between ss_n active and sclk_out active is half sclk_out cycles */
 #define SPI_SSN_DELAY_HALF	0x00
-/* the peroid between ss_n active and sclk_out active is one sclk_out cycle */
+/* the period between ss_n active and sclk_out active is one sclk_out cycle */
 #define SPI_SSN_DELAY_ONE	0x01
 
 /* Serial Endian Mode */
diff --git a/src/soc/samsung/exynos5420/include/soc/memlayout.ld b/src/soc/samsung/exynos5420/include/soc/memlayout.ld
index 1f13bb9..bc5d066 100644
--- a/src/soc/samsung/exynos5420/include/soc/memlayout.ld
+++ b/src/soc/samsung/exynos5420/include/soc/memlayout.ld
@@ -26,7 +26,7 @@
 {
 	SRAM_START(0x2020000)
 	/* 17K hole, includes BL1 */
-	/* Bootblock is preceeded by 16 byte variable length BL2 checksum. */
+	/* Bootblock is preceded by 16 byte variable length BL2 checksum. */
 	BOOTBLOCK(0x2024410, 32K - 16)
 	/* 15K hole */
 	ROMSTAGE(0x2030000, 128K)
diff --git a/src/soc/samsung/exynos5420/include/soc/setup.h b/src/soc/samsung/exynos5420/include/soc/setup.h
index f024a2d..139f5b7 100644
--- a/src/soc/samsung/exynos5420/include/soc/setup.h
+++ b/src/soc/samsung/exynos5420/include/soc/setup.h
@@ -729,7 +729,7 @@
 #define CTRL_RDLAT_OFFSET	0
 
 #define CMD_DEFAULT_LPDDR3	0xF
-#define CMD_DEFUALT_OFFSET	0
+#define CMD_DEFAULT_OFFSET	0
 #define T_WRDATA_EN		0x7
 #define T_WRDATA_EN_DDR3	0x8	/* FIXME(dhendrix): 6 for DDR3? see T_wrdata_en */
 #define T_WRDATA_EN_OFFSET	16