powerpc: Drop CONFIG_SYS_ALLOC_DPRAM

This is not defined anywhere in U-Boot. Drop this dead code.

Signed-off-by: Simon Glass <sjg@chromium.org>

14 files changed, 7 insertions, 166 deletions

diff --git a/arch/powerpc/cpu/mpc8260/spi.c b/arch/powerpc/cpu/mpc8260/spi.c
index 8c91a713bb..c7fb4e9a6c 100644
--- a/arch/powerpc/cpu/mpc8260/spi.c
+++ b/arch/powerpc/cpu/mpc8260/spi.c
@@ -181,14 +181,7 @@ void spi_init_f (void)
 	spi->spi_tbc	= 0;
 	spi->spi_txtmp	= 0;
 
-	/* Allocate space for one transmit and one receive buffer
-	 * descriptor in the DP ram
-	 */
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	dpaddr = m8260_cpm_dpalloc (sizeof(cbd_t)*2, 8);
-#else
 	dpaddr = CPM_SPI_BASE;
-#endif
 
 /* 3 */
 	/* Set up the SPI parameters in the parameter ram */
diff --git a/arch/powerpc/cpu/mpc8xx/Makefile b/arch/powerpc/cpu/mpc8xx/Makefile
index f83fd5ecf4..6f81fee571 100644
--- a/arch/powerpc/cpu/mpc8xx/Makefile
+++ b/arch/powerpc/cpu/mpc8xx/Makefile
@@ -10,7 +10,6 @@
 extra-y += start.o
 extra-y += traps.o
 obj-y	+= bedbug_860.o
-obj-y	+= commproc.o
 obj-y	+= cpu.o
 obj-y	+= cpu_init.o
 obj-y	+= fec.o
diff --git a/arch/powerpc/cpu/mpc8xx/commproc.c b/arch/powerpc/cpu/mpc8xx/commproc.c
deleted file mode 100644
index f8581d130d..0000000000
--- a/arch/powerpc/cpu/mpc8xx/commproc.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <commproc.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-
-int dpram_init (void)
-{
-	/* Reclaim the DP memory for our use. */
-	gd->arch.dp_alloc_base = CPM_DATAONLY_BASE;
-	gd->arch.dp_alloc_top  = CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE;
-
-	return (0);
-}
-
-/* Allocate some memory from the dual ported ram.  We may want to
- * enforce alignment restrictions, but right now everyone is a good
- * citizen.
- */
-uint dpram_alloc (uint size)
-{
-	uint addr = gd->arch.dp_alloc_base;
-
-	if ((gd->arch.dp_alloc_base + size) >= gd->arch.dp_alloc_top)
-		return (CPM_DP_NOSPACE);
-
-	gd->arch.dp_alloc_base += size;
-
-	return addr;
-}
-
-uint dpram_base (void)
-{
-	return gd->arch.dp_alloc_base;
-}
-
-/* Allocate some memory from the dual ported ram.  We may want to
- * enforce alignment restrictions, but right now everyone is a good
- * citizen.
- */
-uint dpram_alloc_align (uint size, uint align)
-{
-	uint addr, mask = align - 1;
-
-	addr = (gd->arch.dp_alloc_base + mask) & ~mask;
-
-	if ((addr + size) >= gd->arch.dp_alloc_top)
-		return (CPM_DP_NOSPACE);
-
-	gd->arch.dp_alloc_base = addr + size;
-
-	return addr;
-}
-
-uint dpram_base_align (uint align)
-{
-	uint mask = align - 1;
-
-	return (gd->arch.dp_alloc_base + mask) & ~mask;
-}
-#endif	/* CONFIG_SYS_ALLOC_DPRAM */
diff --git a/arch/powerpc/cpu/mpc8xx/fec.c b/arch/powerpc/cpu/mpc8xx/fec.c
index 0940906b1d..b27310fffb 100644
--- a/arch/powerpc/cpu/mpc8xx/fec.c
+++ b/arch/powerpc/cpu/mpc8xx/fec.c
@@ -570,14 +570,8 @@ static int fec_init (struct eth_device *dev, bd_t * bd)
 	rxIdx = 0;
 	txIdx = 0;
 
-	if (!rtx) {
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-		rtx = (RTXBD *) (immr->im_cpm.cp_dpmem +
-				 dpram_alloc_align (sizeof (RTXBD), 8));
-#else
-		rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_FEC_BASE);
-#endif
-	}
+	if (!rtx)
+		rtx = (RTXBD *)(immr->im_cpm.cp_dpmem + CPM_FEC_BASE);
 	/*
 	 * Setup Receiver Buffer Descriptors (13.14.24.18)
 	 * Settings:
diff --git a/arch/powerpc/cpu/mpc8xx/i2c.c b/arch/powerpc/cpu/mpc8xx/i2c.c
index 3dff4ab4ac..54d5cb5130 100644
--- a/arch/powerpc/cpu/mpc8xx/i2c.c
+++ b/arch/powerpc/cpu/mpc8xx/i2c.c
@@ -190,17 +190,7 @@ void i2c_init(int speed, int slaveaddr)
 	iip->iic_rpbase = 0;
 #endif
 
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	dpaddr = iip->iic_rbase;
-	if (dpaddr == 0) {
-		/* need to allocate dual port ram */
-		dpaddr = dpram_alloc_align((NUM_RX_BDS * sizeof(I2C_BD)) +
-					   (NUM_TX_BDS * sizeof(I2C_BD)) +
-					   MAX_TX_SPACE, 8);
-	}
-#else
 	dpaddr = CPM_I2C_BASE;
-#endif
 
 	/*
 	 * initialise data in dual port ram:
diff --git a/arch/powerpc/cpu/mpc8xx/scc.c b/arch/powerpc/cpu/mpc8xx/scc.c
index 3474637fac..17bcc2fe0a 100644
--- a/arch/powerpc/cpu/mpc8xx/scc.c
+++ b/arch/powerpc/cpu/mpc8xx/scc.c
@@ -199,14 +199,8 @@ static int scc_init (struct eth_device *dev, bd_t * bis)
 	rxIdx = 0;
 	txIdx = 0;
 
-	if (!rtx) {
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-		rtx = (RTXBD *) (immr->im_cpm.cp_dpmem +
-				 dpram_alloc_align (sizeof (RTXBD), 8));
-#else
-		rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
-#endif
-	}
+	if (!rtx)
+		rtx = (RTXBD *)(immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
 
 #if (defined(PA_ENET_RXD) && defined(PA_ENET_TXD))
 	/* Configure port A pins for Txd and Rxd.
diff --git a/arch/powerpc/cpu/mpc8xx/serial.c b/arch/powerpc/cpu/mpc8xx/serial.c
index 94c785f611..b6e12d0d85 100644
--- a/arch/powerpc/cpu/mpc8xx/serial.c
+++ b/arch/powerpc/cpu/mpc8xx/serial.c
@@ -176,15 +176,7 @@ static int smc_init (void)
 	/* Set the physical address of the host memory buffers in
 	 * the buffer descriptors.
 	 */
-
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	/* allocate
-	 * size of struct serialbuffer with bd rx/tx, buffer rx/tx and rx index
-	 */
-	dpaddr = dpram_alloc_align((sizeof(serialbuffer_t)), 8);
-#else
-	dpaddr = CPM_SERIAL_BASE ;
-#endif
+	dpaddr = CPM_SERIAL_BASE;
 
 	rtx = (serialbuffer_t *)&cp->cp_dpmem[dpaddr];
 	/* Allocate space for two buffer descriptors in the DP ram.
@@ -421,12 +413,7 @@ static int scc_init (void)
 #endif
 
 	/* Allocate space for two buffer descriptors in the DP ram. */
-
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	dpaddr = dpram_alloc_align (sizeof(cbd_t)*2 + 2, 8) ;
-#else
-	dpaddr = CPM_SERIAL2_BASE ;
-#endif
+	dpaddr = dpram_alloc_align(sizeof(cbd_t)*2 + 2, 8);
 
 	/* Enable SDMA.	*/
 	im->im_siu_conf.sc_sdcr = 0x0001;
diff --git a/arch/powerpc/cpu/mpc8xx/spi.c b/arch/powerpc/cpu/mpc8xx/spi.c
index 6267c0e204..35b425e7c1 100644
--- a/arch/powerpc/cpu/mpc8xx/spi.c
+++ b/arch/powerpc/cpu/mpc8xx/spi.c
@@ -187,14 +187,7 @@ void spi_init_f (void)
 	spi->spi_tbc	= 0;
 	spi->spi_txtmp	= 0;
 
-	/* Allocate space for one transmit and one receive buffer
-	 * descriptor in the DP ram
-	 */
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	dpaddr = dpram_alloc_align (sizeof(cbd_t)*2, 8);
-#else
 	dpaddr = CPM_SPI_BASE;
-#endif
 
 /* 3 */
 	/* Set up the SPI parameters in the parameter ram */
diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h
index 4090975bf5..3943d0e92b 100644
--- a/arch/powerpc/include/asm/global_data.h
+++ b/arch/powerpc/include/asm/global_data.h
@@ -96,7 +96,7 @@ struct arch_global_data {
 	unsigned long arbiter_event_attributes;
 	unsigned long arbiter_event_address;
 #endif
-#if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
+#if defined(CONFIG_CPM2)
 	unsigned int dp_alloc_base;
 	unsigned int dp_alloc_top;
 #endif
diff --git a/common/board_f.c b/common/board_f.c
index 5e2b8d14d4..8c9453cb7e 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -884,11 +884,6 @@ static init_fnc_t init_sequence_f[] = {
 		defined(CONFIG_SH) || defined(CONFIG_SPARC)
 	timer_init,		/* initialize timer */
 #endif
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-#if !defined(CONFIG_CPM2)
-	dpram_init,
-#endif
-#endif
 #if defined(CONFIG_BOARD_POSTCLK_INIT)
 	board_postclk_init,
 #endif
diff --git a/include/commproc.h b/include/commproc.h
index 9582746153..9d4cb109ad 100644
--- a/include/commproc.h
+++ b/include/commproc.h
@@ -51,20 +51,6 @@
 /*
  * DPRAM defines and allocation functions
  */
-
-/* The dual ported RAM is multi-functional.  Some areas can be (and are
- * being) used for microcode.  There is an area that can only be used
- * as data ram for buffer descriptors, which is all we use right now.
- * Currently the first 512 and last 256 bytes are used for microcode.
- */
-#ifdef  CONFIG_SYS_ALLOC_DPRAM
-
-#define CPM_DATAONLY_BASE	((uint)0x0800)
-#define CPM_DATAONLY_SIZE	((uint)0x0700)
-#define CPM_DP_NOSPACE		((uint)0x7fffffff)
-
-#else
-
 #define CPM_SERIAL_BASE		0x0800
 #define CPM_I2C_BASE		0x0820
 #define CPM_SPI_BASE		0x0840
@@ -74,8 +60,6 @@
 #define CPM_POST_BASE		0x0980
 #define CPM_WLKBD_BASE		0x0a00
 
-#endif
-
 #ifndef CONFIG_SYS_CPM_POST_WORD_ADDR
 #define CPM_POST_WORD_ADDR	0x07FC
 #else
diff --git a/post/cpu/mpc8xx/ether.c b/post/cpu/mpc8xx/ether.c
index 1b75eb6fb8..47f6f32246 100644
--- a/post/cpu/mpc8xx/ether.c
+++ b/post/cpu/mpc8xx/ether.c
@@ -119,12 +119,7 @@ static void scc_init (int scc_index)
 	rxIdx = 0;
 	txIdx = 0;
 
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	rtx = (RTXBD *) (immr->im_cpm.cp_dpmem +
-					 dpram_alloc_align (sizeof (RTXBD), 8));
-#else
 	rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
-#endif
 
 #if 0
 
diff --git a/post/cpu/mpc8xx/uart.c b/post/cpu/mpc8xx/uart.c
index e54a4cacfa..64ca7e4b98 100644
--- a/post/cpu/mpc8xx/uart.c
+++ b/post/cpu/mpc8xx/uart.c
@@ -103,12 +103,7 @@ static void smc_init (int smc_index)
 	/* Set the physical address of the host memory buffers in
 	 * the buffer descriptors.
 	 */
-
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	dpaddr = dpram_alloc_align (sizeof (cbd_t) * 2 + 2, 8);
-#else
 	dpaddr = CPM_POST_BASE;
-#endif
 
 	/* Allocate space for two buffer descriptors in the DP ram.
 	 * For now, this address seems OK, but it may have to
@@ -276,15 +271,7 @@ static void scc_init (int scc_index)
 	 */
 	sp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
 
-
-	/* Allocate space for two buffer descriptors in the DP ram.
-	 */
-
-#ifdef CONFIG_SYS_ALLOC_DPRAM
-	dpaddr = dpram_alloc_align (sizeof (cbd_t) * 2 + 2, 8);
-#else
 	dpaddr = CPM_POST_BASE;
-#endif
 
 	/* Enable SDMA.
 	 */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index f40c432990..b7463a808f 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -3162,7 +3162,6 @@ CONFIG_SYS_ACR_RPTCNT
 CONFIG_SYS_ADDRESS_MAP_A
 CONFIG_SYS_ADV7611_I2C
 CONFIG_SYS_AHB_BASE
-CONFIG_SYS_ALLOC_DPRAM
 CONFIG_SYS_ALT_BOOT
 CONFIG_SYS_ALT_FLASH
 CONFIG_SYS_ALT_MEMTEST