diff --git a/arch/powerpc/include/asm/apm821xx.h b/arch/powerpc/include/asm/apm821xx.h
deleted file mode 100644
index d027866..0000000
--- a/arch/powerpc/include/asm/apm821xx.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2010, Applied Micro Circuits Corporation
- * Author: Tirumala R Marri <tmarri@apm.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef _APM821XX_H_
-#define _APM821XX_H_
-
-#define CONFIG_SDRAM_PPC4xx_IBM_DDR2	/* IBM DDR(2) controller */
-
-/* Memory mapped registers */
-#define CONFIG_SYS_PERIPHERAL_BASE	0xEF600000
-#define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_PERIPHERAL_BASE + 0x0200)
-#define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_PERIPHERAL_BASE + 0x0300)
-
-#define GPIO0_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0700)
-
-#define SDR0_SRST0_DMC		0x00200000
-#define SDR0_SRST1_AHB		0x00000040      /* PLB4XAHB bridge */
-
-/* AHB config. */
-#define AHB_TOP			0xA4
-#define AHB_BOT			0xA5
-
-/* clk divisors */
-#define PLLSYS0_FWD_DIV_A_MASK	0x000000f0	/* Fwd Div A */
-#define PLLSYS0_FWD_DIV_B_MASK	0x0000000f	/* Fwd Div B */
-#define PLLSYS0_FB_DIV_MASK	0x0000ff00	/* Feedback divisor */
-#define PLLSYS0_OPB_DIV_MASK	0x0c000000	/* OPB Divisor */
-#define PLLSYS0_EPB_DIV_MASK	0x00000300      /* EPB divisor */
-#define PLLSYS0_EXTSL_MASK	0x00000080      /* PerClk feedback path */
-#define PLLSYS0_PLBEDV0_DIV_MASK	0xe0000000/* PLB Early Clk Div*/
-#define PLLSYS0_PERCLK_DIV_MASK	0x03000000	/* Peripheral Clk Divisor */
-#define PLLSYS0_SEL_MASK	0x18000000	/* 0 = PLL, 1 = PerClk */
-
-/*
-   + * Clocking Controller
-   + */
-#define CPR0_CLKUPD	0x0020
-#define CPR0_PLLC	0x0040
-#define CPR0_PLLC_SEL(pllc)		(((pllc) & 0x01000000) >> 24)
-#define CPR0_PLLD	0x0060
-#define CPR0_PLLD_FDV(plld)		(((plld) & 0xff000000) >> 24)
-#define CPR0_PLLD_FWDVA(plld)		(((plld) & 0x000f0000) >> 16)
-#define CPR0_CPUD	0x0080
-#define CPR0_CPUD_CPUDV(cpud)		(((cpud) & 0x07000000) >> 24)
-#define CPR0_PLB2D	0x00a0
-#define CPR0_PLB2D_PLB2DV(plb2d)	(((plb2d) & 0x06000000) >> 25)
-#define CPR0_OPBD	0x00c0
-#define CPR0_OPBD_OPBDV(opbd)		(((opbd) & 0x03000000) >> 24)
-#define CPR0_PERD	0x00e0
-#define CPR0_PERD_PERDV(perd)		(((perd) & 0x03000000) >> 24)
-#define CPR0_DDR2D	0x0100
-#define CPR0_DDR2D_DDR2DV(ddr2d) 	(((ddr2d) & 0x06000000) >> 25)
-#define CLK_ICFG	0x0140
-
-#endif /* _APM821XX_H_ */
diff --git a/arch/powerpc/include/asm/ppc4xx-ebc.h b/arch/powerpc/include/asm/ppc4xx-ebc.h
index 07a3fe0..952783f 100644
--- a/arch/powerpc/include/asm/ppc4xx-ebc.h
+++ b/arch/powerpc/include/asm/ppc4xx-ebc.h
@@ -53,8 +53,7 @@
 #define EBC_NUM_BANKS	6
 #endif
 
-#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
-    defined(CONFIG_APM821XX)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 #define EBC_NUM_BANKS	3
 #endif
 
diff --git a/arch/powerpc/include/asm/ppc4xx-isram.h b/arch/powerpc/include/asm/ppc4xx-isram.h
index 4d1106b..2ae399f 100644
--- a/arch/powerpc/include/asm/ppc4xx-isram.h
+++ b/arch/powerpc/include/asm/ppc4xx-isram.h
@@ -8,8 +8,7 @@
 /*
  * Internal SRAM
  */
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_APM821XX)
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 #define ISRAM0_DCR_BASE 0x380
 #else
 #define ISRAM0_DCR_BASE 0x020
@@ -26,8 +25,7 @@
 #define ISRAM0_REVID	(ISRAM0_DCR_BASE+0x09)	/* SRAM bus revision id reg */
 #define ISRAM0_DPC	(ISRAM0_DCR_BASE+0x0a)	/* SRAM data parity check reg */
 
-#if defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
-    defined(CONFIG_APM821XX)
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
 #define ISRAM1_DCR_BASE 0x0B0
 #define ISRAM1_SB0CR	(ISRAM1_DCR_BASE+0x00)	/* SRAM1 bank config 0*/
 #define ISRAM1_BEAR	(ISRAM1_DCR_BASE+0x04)	/* SRAM1 bus error addr reg */
@@ -41,8 +39,6 @@
 
 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
 #define ISRAM1_SIZE 0x0984 /* OCM size 64k */
-#elif defined(CONFIG_APM821XX)
-#define ISRAM1_SIZE 0x0784 /* OCM size 32k */
 #endif
 
 /*
@@ -51,7 +47,7 @@
 #if defined (CONFIG_440GX) || \
     defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
     defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
-    defined(CONFIG_460SX) || defined(CONFIG_APM821XX)
+    defined(CONFIG_460SX)
 #define L2_CACHE_BASE	0x030
 #define L2_CACHE_CFG	(L2_CACHE_BASE+0x00)	/* L2 Cache Config      */
 #define L2_CACHE_CMD	(L2_CACHE_BASE+0x01)	/* L2 Cache Command     */
diff --git a/arch/powerpc/include/asm/ppc4xx-sdram.h b/arch/powerpc/include/asm/ppc4xx-sdram.h
index 12d6d03..e6fed83 100644
--- a/arch/powerpc/include/asm/ppc4xx-sdram.h
+++ b/arch/powerpc/include/asm/ppc4xx-sdram.h
@@ -276,7 +276,7 @@
  */
 #if defined(CONFIG_440SPE) || \
     defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
-    defined(CONFIG_460SX) || defined(CONFIG_APM821XX)
+    defined(CONFIG_460SX)
 #define SDRAM_RXBAS_SDBA_MASK		0xFFE00000	/* Base address	*/
 #define SDRAM_RXBAS_SDBA_ENCODE(n)	((u32)(((phys_size_t)(n) >> 2) & 0xFFE00000))
 #define SDRAM_RXBAS_SDBA_DECODE(n)	((((phys_size_t)(n)) & 0xFFE00000) << 2)
@@ -349,7 +349,7 @@
 /*
  * Memory controller registers
  */
-#if defined(CONFIG_405EX) || defined(CONFIG_APM821XX)
+#if defined(CONFIG_405EX)
 #define SDRAM_BESR	0x00	/* PLB bus error status (read/clear)         */
 #define SDRAM_BESRT	0x01	/* PLB bus error status (test/set)           */
 #define SDRAM_BEARL	0x02	/* PLB bus error address low                 */
@@ -359,9 +359,9 @@
 #define SDRAM_PLBOPT	0x08	/* PLB slave options                         */
 #define SDRAM_PUABA	0x09	/* PLB upper address base                    */
 #define SDRAM_MCSTAT	0x1F	/* memory controller status                  */
-#else /* CONFIG_405EX || CONFIG_APM821XX */
+#else /* CONFIG_405EX */
 #define SDRAM_MCSTAT	0x14	/* memory controller status                  */
-#endif /* CONFIG_405EX || CONFIG_APM821XX */
+#endif /* CONFIG_405EX */
 #define SDRAM_MCOPT1	0x20	/* memory controller options 1               */
 #define SDRAM_MCOPT2	0x21	/* memory controller options 2               */
 #define SDRAM_MODT0	0x22	/* on die termination for bank 0             */
@@ -407,12 +407,12 @@
 #define SDRAM_MEMODE	0x89	/* memory extended mode                      */
 #define SDRAM_ECCES	0x98	/* ECC error status                          */
 #define SDRAM_CID	0xA4	/* core ID                                   */
-#if !defined(CONFIG_405EX) && !defined(CONFIG_APM821XX)
+#if !defined(CONFIG_405EX)
 #define SDRAM_RID	0xA8	/* revision ID                               */
 #endif
 #define SDRAM_FCSR	0xB0	/* feedback calibration status               */
 #define SDRAM_RTSR	0xB1	/* run time status tracking                  */
-#if  defined(CONFIG_405EX) || defined(CONFIG_APM821XX)
+#if  defined(CONFIG_405EX)
 #define SDRAM_RID	0xF8	/* revision ID                               */
 #endif
 
diff --git a/arch/powerpc/include/asm/ppc4xx-uic.h b/arch/powerpc/include/asm/ppc4xx-uic.h
index 05b4690..58e65c1 100644
--- a/arch/powerpc/include/asm/ppc4xx-uic.h
+++ b/arch/powerpc/include/asm/ppc4xx-uic.h
@@ -15,7 +15,7 @@
  */
 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
     defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
-    defined(CONFIG_460SX) || defined(CONFIG_APM821XX)
+    defined(CONFIG_460SX)
 #define UIC_MAX		4
 #elif defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
     defined(CONFIG_405EX)
@@ -236,8 +236,7 @@
 #define VECNUM_ETH0		(32 + 28)
 #endif /* CONFIG_440SPE */
 
-#if defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
-    defined(CONFIG_APM821XX)
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
 /* UIC 0 */
 #define VECNUM_UIC2NCI		10
 #define VECNUM_UIC2CI		11
diff --git a/arch/powerpc/include/asm/ppc4xx.h b/arch/powerpc/include/asm/ppc4xx.h
index e6a3bff..b8b0ff9 100644
--- a/arch/powerpc/include/asm/ppc4xx.h
+++ b/arch/powerpc/include/asm/ppc4xx.h
@@ -56,10 +56,6 @@
 #include <asm/ppc460sx.h>
 #endif
 
-#if defined(CONFIG_APM821XX)
-#include <asm/apm821xx.h>
-#endif
-
 /*
  * Common registers for all SoC's
  */