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-rw-r--r--board/total5200/sdram.c159
1 files changed, 0 insertions, 159 deletions
diff --git a/board/total5200/sdram.c b/board/total5200/sdram.c
deleted file mode 100644
index dbe3587..0000000
--- a/board/total5200/sdram.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * (C) Copyright 2003-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2004
- * Mark Jonas, Freescale Semiconductor, mark.jonas@freescale.com.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc5xxx.h>
-
-#include "sdram.h"
-
-#ifndef CONFIG_SYS_RAMBOOT
-static void mpc5xxx_sdram_start (sdram_conf_t *sdram_conf, int hi_addr)
-{
- long hi_addr_bit = hi_addr ? 0x01000000 : 0;
-
- /* unlock mode register */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = sdram_conf->control | 0x80000000 | hi_addr_bit;
- __asm__ volatile ("sync");
-
- /* precharge all banks */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = sdram_conf->control | 0x80000002 | hi_addr_bit;
- __asm__ volatile ("sync");
-
- if (sdram_conf->ddr) {
- /* set mode register: extended mode */
- *(vu_long *)MPC5XXX_SDRAM_MODE = sdram_conf->emode;
- __asm__ volatile ("sync");
-
- /* set mode register: reset DLL */
- *(vu_long *)MPC5XXX_SDRAM_MODE = sdram_conf->mode | 0x04000000;
- __asm__ volatile ("sync");
- }
-
- /* precharge all banks */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = sdram_conf->control | 0x80000002 | hi_addr_bit;
- __asm__ volatile ("sync");
-
- /* auto refresh */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = sdram_conf->control | 0x80000004 | hi_addr_bit;
- __asm__ volatile ("sync");
-
- /* set mode register */
- *(vu_long *)MPC5XXX_SDRAM_MODE = sdram_conf->mode;
- __asm__ volatile ("sync");
-
- /* normal operation */
- *(vu_long *)MPC5XXX_SDRAM_CTRL = sdram_conf->control | hi_addr_bit;
- __asm__ volatile ("sync");
-}
-#endif
-
-/*
- * ATTENTION: Although partially referenced initdram does NOT make real use
- * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
- * is something else than 0x00000000.
- */
-
-long int mpc5xxx_sdram_init (sdram_conf_t *sdram_conf)
-{
- ulong dramsize = 0;
- ulong dramsize2 = 0;
-#ifndef CONFIG_SYS_RAMBOOT
- ulong test1, test2;
-
- /* setup SDRAM chip selects */
- *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e;/* 2G at 0x0 */
- *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000;/* disabled */
- __asm__ volatile ("sync");
-
- /* setup config registers */
- *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = sdram_conf->config1;
- *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = sdram_conf->config2;
- __asm__ volatile ("sync");
-
- if (sdram_conf->ddr) {
- /* set tap delay */
- *(vu_long *)MPC5XXX_CDM_PORCFG = sdram_conf->tapdelay;
- __asm__ volatile ("sync");
- }
-
- /* find RAM size using SDRAM CS0 only */
- mpc5xxx_sdram_start(sdram_conf, 0);
- test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
- mpc5xxx_sdram_start(sdram_conf, 1);
- test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
- if (test1 > test2) {
- mpc5xxx_sdram_start(sdram_conf, 0);
- dramsize = test1;
- } else {
- dramsize = test2;
- }
-
- /* memory smaller than 1MB is impossible */
- if (dramsize < (1 << 20)) {
- dramsize = 0;
- }
-
- /* set SDRAM CS0 size according to the amount of RAM found */
- if (dramsize > 0) {
- *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 + __builtin_ffs(dramsize >> 20) - 1;
- } else {
- *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
- }
-
- /* let SDRAM CS1 start right after CS0 */
- *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */
-
- /* find RAM size using SDRAM CS1 only */
- mpc5xxx_sdram_start(sdram_conf, 0);
- test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
- mpc5xxx_sdram_start(sdram_conf, 1);
- test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
- if (test1 > test2) {
- mpc5xxx_sdram_start(sdram_conf, 0);
- dramsize2 = test1;
- } else {
- dramsize2 = test2;
- }
-
- /* memory smaller than 1MB is impossible */
- if (dramsize2 < (1 << 20)) {
- dramsize2 = 0;
- }
-
- /* set SDRAM CS1 size according to the amount of RAM found */
- if (dramsize2 > 0) {
- *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
- | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
- } else {
- *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
- }
-
-#else /* CONFIG_SYS_RAMBOOT */
-
- /* retrieve size of memory connected to SDRAM CS0 */
- dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
- if (dramsize >= 0x13) {
- dramsize = (1 << (dramsize - 0x13)) << 20;
- } else {
- dramsize = 0;
- }
-
- /* retrieve size of memory connected to SDRAM CS1 */
- dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF;
- if (dramsize2 >= 0x13) {
- dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
- } else {
- dramsize2 = 0;
- }
-
-#endif /* CONFIG_SYS_RAMBOOT */
-
- return dramsize + dramsize2;
-}