powerpc: remove 4xx support

There was for long time no activity in the 4xx area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in 4xx,
so remove it.

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 0 insertions, 140 deletions

diff --git a/board/esd/pmc440/sdram.c b/board/esd/pmc440/sdram.c
deleted file mode 100644
index c379e7723d..0000000000
--- a/board/esd/pmc440/sdram.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * (C) Copyright 2009
- * Matthias Fuchs, esd gmbh, matthias.fuchs@esd.eu
- *
- * (C) Copyright 2006
- * Sylvie Gohl,             AMCC/IBM, gohl.sylvie@fr.ibm.com
- * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
- * Thierry Roman,           AMCC/IBM, thierry_roman@fr.ibm.com
- * Alain Saurel,            AMCC/IBM, alain.saurel@fr.ibm.com
- * Robert Snyder,           AMCC/IBM, rob.snyder@fr.ibm.com
- *
- * (C) Copyright 2006-2007
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/* define DEBUG for debug output */
-#undef DEBUG
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/mmu.h>
-#include <asm/ppc440.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-extern int denali_wait_for_dlllock(void);
-extern void denali_core_search_data_eye(void);
-
-struct sdram_conf_s {
-	ulong size;
-	int rows;
-	int banks;
-};
-
-struct sdram_conf_s sdram_conf[] = {
-	{(1024 << 20), 14, 8}, /* 1GByte: 4x2GBit, 14x10, 8 banks */
-	{(512 << 20),  13, 8}, /* 512MByte: 4x1GBit, 13x10, 8 banks */
-	{(256 << 20),  13, 4}, /* 256MByte: 4x512MBit, 13x10, 4 banks */
-};
-
-/*
- * dram_init -- 440EPx's DDR controller is a DENALI Core
- */
-int initdram_by_rb(int rows, int banks)
-{
-	ulong speed = get_bus_freq(0);
-
-	mtsdram(DDR0_02, 0x00000000);
-
-	mtsdram(DDR0_00, 0x0000190A);
-	mtsdram(DDR0_01, 0x01000000);
-	mtsdram(DDR0_03, 0x02030602);
-	mtsdram(DDR0_04, 0x0A020200);
-	mtsdram(DDR0_05, 0x02020308);
-	mtsdram(DDR0_06, 0x0102C812);
-	mtsdram(DDR0_07, 0x000D0100);
-	mtsdram(DDR0_08, 0x02430001);
-	mtsdram(DDR0_09, 0x00011D5F);
-	mtsdram(DDR0_10, 0x00000100);
-	mtsdram(DDR0_11, 0x0027C800);
-	mtsdram(DDR0_12, 0x00000003);
-	mtsdram(DDR0_14, 0x00000000);
-	mtsdram(DDR0_17, 0x19000000);
-	mtsdram(DDR0_18, 0x19191919);
-	mtsdram(DDR0_19, 0x19191919);
-	mtsdram(DDR0_20, 0x0B0B0B0B);
-	mtsdram(DDR0_21, 0x0B0B0B0B);
-	mtsdram(DDR0_22, 0x00267F0B);
-	mtsdram(DDR0_23, 0x00000000);
-	mtsdram(DDR0_24, 0x01010002);
-	if (speed > 133333334)
-		mtsdram(DDR0_26, 0x5B26050C);
-	else
-		mtsdram(DDR0_26, 0x5B260408);
-	mtsdram(DDR0_27, 0x0000682B);
-	mtsdram(DDR0_28, 0x00000000);
-	mtsdram(DDR0_31, 0x00000000);
-
-	mtsdram(DDR0_42,
-		DDR0_42_ADDR_PINS_DECODE(14 - rows) |
-		0x00000006);
-	mtsdram(DDR0_43,
-		DDR0_43_EIGHT_BANK_MODE_ENCODE(8 == banks ? 1 : 0) |
-		0x030A0200);
-
-	mtsdram(DDR0_44, 0x00000003);
-	mtsdram(DDR0_02, 0x00000001);
-
-	denali_wait_for_dlllock();
-
-#ifdef CONFIG_DDR_DATA_EYE
-	/*
-	 * Perform data eye search if requested.
-	 */
-	denali_core_search_data_eye();
-#endif
-	/*
-	 * Clear possible errors resulting from data-eye-search.
-	 * If not done, then we could get an interrupt later on when
-	 * exceptions are enabled.
-	 */
-	set_mcsr(get_mcsr());
-
-	return 0;
-}
-
-int dram_init(void)
-{
-	phys_size_t size;
-	int n;
-
-	/* go through supported memory configurations */
-	for (n = 0; n < ARRAY_SIZE(sdram_conf); n++) {
-		size = sdram_conf[n].size;
-
-		/* program TLB entries */
-		program_tlb(0, CONFIG_SYS_SDRAM_BASE, size,
-			    TLB_WORD2_I_ENABLE);
-
-		/*
-		 * setup denali core
-		 */
-		initdram_by_rb(sdram_conf[n].rows,
-			       sdram_conf[n].banks);
-
-		/* check for suitable configuration */
-		if (get_ram_size(CONFIG_SYS_SDRAM_BASE, size) == size) {
-			gd->ram_size = size;
-			return 0;
-		}
-
-		/* delete TLB entries */
-		remove_tlb(CONFIG_SYS_SDRAM_BASE, size);
-	}
-
-	return -ENXIO;
-}