ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/drivers/ddr/fsl/mpc85xx_ddr_gen2.c b/marvell/uboot/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
new file mode 100644
index 0000000..988b4a4
--- /dev/null
+++ b/marvell/uboot/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2008-2011 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/processor.h>
+#include <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, int step)
+{
+ unsigned int i;
+ struct ccsr_ddr __iomem *ddr =
+ (struct ccsr_ddr __iomem *)CONFIG_SYS_FSL_DDR_ADDR;
+
+#if defined(CONFIG_SYS_FSL_ERRATUM_NMG_DDR120) && defined(CONFIG_MPC85xx)
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ uint svr;
+#endif
+
+ if (ctrl_num) {
+ printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num);
+ return;
+ }
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_DDR120
+ /*
+ * Set the DDR IO receiver to an acceptable bias point.
+ * Fixed in Rev 2.1.
+ */
+ svr = get_svr();
+ if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0)) {
+ if ((regs->ddr_sdram_cfg & SDRAM_CFG_SDRAM_TYPE_MASK) ==
+ SDRAM_CFG_SDRAM_TYPE_DDR2)
+ out_be32(&gur->ddrioovcr, 0x90000000);
+ else
+ out_be32(&gur->ddrioovcr, 0xA8000000);
+ }
+#endif
+
+ 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);
+
+ } else if (i == 1) {
+ out_be32(&ddr->cs1_bnds, regs->cs[i].bnds);
+ out_be32(&ddr->cs1_config, regs->cs[i].config);
+
+ } else if (i == 2) {
+ out_be32(&ddr->cs2_bnds, regs->cs[i].bnds);
+ out_be32(&ddr->cs2_config, regs->cs[i].config);
+
+ } 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->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);
+
+ /*
+ * 200 painful micro-seconds must elapse between
+ * the DDR clock setup and the DDR config enable.
+ */
+ udelay(200);
+ asm volatile("sync;isync");
+
+ out_be32(&ddr->sdram_cfg, regs->ddr_sdram_cfg);
+
+ /* 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 */
+ }
+}