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Diffstat (limited to 'arch/ppc/cpu/mpc85xx/ddr-gen3.c')
-rw-r--r--arch/ppc/cpu/mpc85xx/ddr-gen3.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/arch/ppc/cpu/mpc85xx/ddr-gen3.c b/arch/ppc/cpu/mpc85xx/ddr-gen3.c
deleted file mode 100644
index 0691ca4..0000000
--- a/arch/ppc/cpu/mpc85xx/ddr-gen3.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright 2008 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * Version 2 as published by the Free Software Foundation.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/fsl_ddr_sdram.h>
-
-#if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
-#error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
-#endif
-
-void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
- unsigned int ctrl_num)
-{
- unsigned int i;
- volatile ccsr_ddr_t *ddr;
- u32 temp_sdram_cfg;
-
- switch (ctrl_num) {
- case 0:
- ddr = (void *)CONFIG_SYS_MPC85xx_DDR_ADDR;
- break;
- case 1:
- ddr = (void *)CONFIG_SYS_MPC85xx_DDR2_ADDR;
- break;
- default:
- printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num);
- return;
- }
-
- for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
- if (i == 0) {
- out_be32(&ddr->cs0_bnds, regs->cs[i].bnds);
- out_be32(&ddr->cs0_config, regs->cs[i].config);
- out_be32(&ddr->cs0_config_2, regs->cs[i].config_2);
-
- } else if (i == 1) {
- out_be32(&ddr->cs1_bnds, regs->cs[i].bnds);
- out_be32(&ddr->cs1_config, regs->cs[i].config);
- out_be32(&ddr->cs1_config_2, regs->cs[i].config_2);
-
- } else if (i == 2) {
- out_be32(&ddr->cs2_bnds, regs->cs[i].bnds);
- out_be32(&ddr->cs2_config, regs->cs[i].config);
- out_be32(&ddr->cs2_config_2, regs->cs[i].config_2);
-
- } else if (i == 3) {
- out_be32(&ddr->cs3_bnds, regs->cs[i].bnds);
- out_be32(&ddr->cs3_config, regs->cs[i].config);
- out_be32(&ddr->cs3_config_2, regs->cs[i].config_2);
- }
- }
-
- out_be32(&ddr->timing_cfg_3, regs->timing_cfg_3);
- out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0);
- out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1);
- out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2);
- out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
- out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode);
- out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
- out_be32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl);
- out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval);
- out_be32(&ddr->sdram_data_init, regs->ddr_data_init);
- out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl);
- out_be32(&ddr->init_addr, regs->ddr_init_addr);
- out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
-
- out_be32(&ddr->timing_cfg_4, regs->timing_cfg_4);
- out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5);
- out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl);
- out_be32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl);
- out_be32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr);
- out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1);
- out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2);
-
- /* Set, but do not enable the memory */
- temp_sdram_cfg = regs->ddr_sdram_cfg;
- temp_sdram_cfg &= ~(SDRAM_CFG_MEM_EN);
- out_be32(&ddr->sdram_cfg, temp_sdram_cfg);
- /*
- * For 8572 DDR1 erratum - DDR controller may enter illegal state
- * when operatiing in 32-bit bus mode with 4-beat bursts,
- * This erratum does not affect DDR3 mode, only for DDR2 mode.
- */
-#ifdef CONFIG_MPC8572
- if ((((in_be32(&ddr->sdram_cfg) >> 24) & 0x7) == SDRAM_TYPE_DDR2)
- && in_be32(&ddr->sdram_cfg) & 0x80000) {
- /* set DEBUG_1[31] */
- u32 temp = in_be32(&ddr->debug_1);
- out_be32(&ddr->debug_1, temp | 1);
- }
-#endif
-
- /*
- * 500 painful micro-seconds must elapse between
- * the DDR clock setup and the DDR config enable.
- * DDR2 need 200 us, and DDR3 need 500 us from spec,
- * we choose the max, that is 500 us for all of case.
- */
- udelay(500);
- asm volatile("sync;isync");
-
- /* Let the controller go */
- temp_sdram_cfg = in_be32(&ddr->sdram_cfg);
- out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
-
- /* Poll DDR_SDRAM_CFG_2[D_INIT] bit until auto-data init is done. */
- while (in_be32(&ddr->sdram_cfg_2) & 0x10) {
- udelay(10000); /* throttle polling rate */
- }
-}