diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/Makefile | 45 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu.c | 16 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/ddr-gen1.c | 89 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/ddr-gen2.c | 95 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/ddr-gen3.c | 464 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/mp.c | 2 |
6 files changed, 9 insertions, 702 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile index a34014f305..91c8402047 100644 --- a/arch/powerpc/cpu/mpc85xx/Makefile +++ b/arch/powerpc/cpu/mpc85xx/Makefile @@ -29,51 +29,6 @@ obj-$(CONFIG_MP) += release.o obj-$(CONFIG_CMD_ERRATA) += cmd_errata.o obj-$(CONFIG_CPM2) += commproc.o -# supports ddr1 -obj-$(CONFIG_MPC8540) += ddr-gen1.o -obj-$(CONFIG_MPC8560) += ddr-gen1.o -obj-$(CONFIG_MPC8541) += ddr-gen1.o -obj-$(CONFIG_MPC8555) += ddr-gen1.o - -# supports ddr1/2 -obj-$(CONFIG_MPC8548) += ddr-gen2.o -obj-$(CONFIG_MPC8568) += ddr-gen2.o -obj-$(CONFIG_MPC8544) += ddr-gen2.o - -# supports ddr1/2/3 -obj-$(CONFIG_PPC_C29X) += ddr-gen3.o -obj-$(CONFIG_MPC8572) += ddr-gen3.o -obj-$(CONFIG_MPC8536) += ddr-gen3.o -obj-$(CONFIG_MPC8569) += ddr-gen3.o -obj-$(CONFIG_P1010) += ddr-gen3.o -obj-$(CONFIG_P1011) += ddr-gen3.o -obj-$(CONFIG_P1012) += ddr-gen3.o -obj-$(CONFIG_P1013) += ddr-gen3.o -obj-$(CONFIG_P1014) += ddr-gen3.o -obj-$(CONFIG_P1020) += ddr-gen3.o -obj-$(CONFIG_P1021) += ddr-gen3.o -obj-$(CONFIG_P1022) += ddr-gen3.o -obj-$(CONFIG_P1023) += ddr-gen3.o -obj-$(CONFIG_P1024) += ddr-gen3.o -obj-$(CONFIG_P1025) += ddr-gen3.o -obj-$(CONFIG_P2010) += ddr-gen3.o -obj-$(CONFIG_P2020) += ddr-gen3.o -obj-$(CONFIG_PPC_P2041) += ddr-gen3.o -obj-$(CONFIG_PPC_P3041) += ddr-gen3.o -obj-$(CONFIG_PPC_P4080) += ddr-gen3.o -obj-$(CONFIG_PPC_P5020) += ddr-gen3.o -obj-$(CONFIG_PPC_P5040) += ddr-gen3.o -obj-$(CONFIG_PPC_T4240) += ddr-gen3.o -obj-$(CONFIG_PPC_T4160) += ddr-gen3.o -obj-$(CONFIG_PPC_B4420) += ddr-gen3.o -obj-$(CONFIG_PPC_B4860) += ddr-gen3.o -obj-$(CONFIG_BSC9131) += ddr-gen3.o -obj-$(CONFIG_BSC9132) += ddr-gen3.o -obj-$(CONFIG_PPC_T1040) += ddr-gen3.o -obj-$(CONFIG_PPC_T1042) += ddr-gen3.o -obj-$(CONFIG_PPC_T1020) += ddr-gen3.o -obj-$(CONFIG_PPC_T1022) += ddr-gen3.o - obj-$(CONFIG_CPM2) += ether_fcc.o obj-$(CONFIG_OF_LIBFDT) += fdt.o obj-$(CONFIG_FSL_CORENET) += liodn.o diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 1a0196c7c4..552acc6879 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -22,7 +22,7 @@ #include <asm/fsl_lbc.h> #include <post.h> #include <asm/processor.h> -#include <asm/fsl_ddr_sdram.h> +#include <fsl_ddr_sdram.h> DECLARE_GLOBAL_DATA_PTR; @@ -453,21 +453,21 @@ static void dump_spd_ddr_reg(void) for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { switch (i) { case 0: - ddr[i] = (void *)CONFIG_SYS_MPC8xxx_DDR_ADDR; + ddr[i] = (void *)CONFIG_SYS_FSL_DDR_ADDR; break; -#if defined(CONFIG_SYS_MPC8xxx_DDR2_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 1) +#if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 1) case 1: - ddr[i] = (void *)CONFIG_SYS_MPC8xxx_DDR2_ADDR; + ddr[i] = (void *)CONFIG_SYS_FSL_DDR2_ADDR; break; #endif -#if defined(CONFIG_SYS_MPC8xxx_DDR3_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 2) +#if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 2) case 2: - ddr[i] = (void *)CONFIG_SYS_MPC8xxx_DDR3_ADDR; + ddr[i] = (void *)CONFIG_SYS_FSL_DDR3_ADDR; break; #endif -#if defined(CONFIG_SYS_MPC8xxx_DDR4_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 3) +#if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 3) case 3: - ddr[i] = (void *)CONFIG_SYS_MPC8xxx_DDR4_ADDR; + ddr[i] = (void *)CONFIG_SYS_FSL_DDR4_ADDR; break; #endif default: diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen1.c b/arch/powerpc/cpu/mpc85xx/ddr-gen1.c deleted file mode 100644 index 4dd8c0b5bf..0000000000 --- a/arch/powerpc/cpu/mpc85xx/ddr-gen1.c +++ /dev/null @@ -1,89 +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, int step) -{ - unsigned int i; - volatile ccsr_ddr_t *ddr = (void *)CONFIG_SYS_MPC8xxx_DDR_ADDR; - - if (ctrl_num != 0) { - 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); - - } 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_1, regs->timing_cfg_1); - out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2); - out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode); - out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval); -#if defined(CONFIG_MPC8555) || defined(CONFIG_MPC8541) - out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); -#endif - - /* - * 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); - - asm("sync;isync;msync"); - udelay(500); -} - -#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) -/* - * Initialize all of memory for ECC, then enable errors. - */ - -void -ddr_enable_ecc(unsigned int dram_size) -{ - volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC8xxx_DDR_ADDR); - - dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size); - - /* - * Enable errors for ECC. - */ - debug("DMA DDR: err_disable = 0x%08x\n", ddr->err_disable); - ddr->err_disable = 0x00000000; - asm("sync;isync;msync"); - debug("DMA DDR: err_disable = 0x%08x\n", ddr->err_disable); -} - -#endif /* CONFIG_DDR_ECC && ! CONFIG_ECC_INIT_VIA_DDRCONTROLLER */ diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen2.c b/arch/powerpc/cpu/mpc85xx/ddr-gen2.c deleted file mode 100644 index 542bc84acf..0000000000 --- a/arch/powerpc/cpu/mpc85xx/ddr-gen2.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * 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 <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, int step) -{ - unsigned int i; - ccsr_ddr_t *ddr = (void *)CONFIG_SYS_MPC8xxx_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 */ - } -} diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c deleted file mode 100644 index 1be51d3307..0000000000 --- a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c +++ /dev/null @@ -1,464 +0,0 @@ -/* - * Copyright 2008-2012 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> -#include <asm/processor.h> - -#if (CONFIG_CHIP_SELECTS_PER_CTRL > 4) -#error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL -#endif - - -/* - * regs has the to-be-set values for DDR controller registers - * ctrl_num is the DDR controller number - * step: 0 goes through the initialization in one pass - * 1 sets registers and returns before enabling controller - * 2 resumes from step 1 and continues to initialize - * Dividing the initialization to two steps to deassert DDR reset signal - * to comply with JEDEC specs for RDIMMs. - */ -void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, - unsigned int ctrl_num, int step) -{ - unsigned int i, bus_width; - volatile ccsr_ddr_t *ddr; - u32 temp_sdram_cfg; - u32 total_gb_size_per_controller; - int timeout; -#ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 - int timeout_save; - volatile ccsr_local_ecm_t *ecm = (void *)CONFIG_SYS_MPC85xx_ECM_ADDR; - unsigned int csn_bnds_backup = 0, cs_sa, cs_ea, *csn_bnds_t; - int csn = -1; -#endif - - switch (ctrl_num) { - case 0: - ddr = (void *)CONFIG_SYS_MPC8xxx_DDR_ADDR; - break; -#if defined(CONFIG_SYS_MPC8xxx_DDR2_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 1) - case 1: - ddr = (void *)CONFIG_SYS_MPC8xxx_DDR2_ADDR; - break; -#endif -#if defined(CONFIG_SYS_MPC8xxx_DDR3_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 2) - case 2: - ddr = (void *)CONFIG_SYS_MPC8xxx_DDR3_ADDR; - break; -#endif -#if defined(CONFIG_SYS_MPC8xxx_DDR4_ADDR) && (CONFIG_NUM_DDR_CONTROLLERS > 3) - case 3: - ddr = (void *)CONFIG_SYS_MPC8xxx_DDR4_ADDR; - break; -#endif - default: - printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num); - return; - } - - if (step == 2) - goto step2; - - if (regs->ddr_eor) - out_be32(&ddr->eor, regs->ddr_eor); -#ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 - debug("Workaround for ERRATUM_DDR111_DDR134\n"); - for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { - cs_sa = (regs->cs[i].bnds >> 16) & 0xfff; - cs_ea = regs->cs[i].bnds & 0xfff; - if ((cs_sa <= 0xff) && (cs_ea >= 0xff)) { - csn = i; - csn_bnds_backup = regs->cs[i].bnds; - csn_bnds_t = (unsigned int *) ®s->cs[i].bnds; - if (cs_ea > 0xeff) - *csn_bnds_t = regs->cs[i].bnds + 0x01000000; - else - *csn_bnds_t = regs->cs[i].bnds + 0x01000100; - debug("Found cs%d_bns (0x%08x) covering 0xff000000, " - "change it to 0x%x\n", - csn, csn_bnds_backup, regs->cs[i].bnds); - break; - } - } -#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); - 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_mode_3, regs->ddr_sdram_mode_3); - out_be32(&ddr->sdram_mode_4, regs->ddr_sdram_mode_4); - out_be32(&ddr->sdram_mode_5, regs->ddr_sdram_mode_5); - out_be32(&ddr->sdram_mode_6, regs->ddr_sdram_mode_6); - out_be32(&ddr->sdram_mode_7, regs->ddr_sdram_mode_7); - out_be32(&ddr->sdram_mode_8, regs->ddr_sdram_mode_8); - 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); -#ifndef CONFIG_SYS_FSL_DDR_EMU - /* - * Skip these two registers if running on emulator - * because emulator doesn't have skew between bytes. - */ - - if (regs->ddr_wrlvl_cntl_2) - out_be32(&ddr->ddr_wrlvl_cntl_2, regs->ddr_wrlvl_cntl_2); - if (regs->ddr_wrlvl_cntl_3) - out_be32(&ddr->ddr_wrlvl_cntl_3, regs->ddr_wrlvl_cntl_3); -#endif - - 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); - out_be32(&ddr->ddr_cdr1, regs->ddr_cdr1); - out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2); - out_be32(&ddr->err_disable, regs->err_disable); - out_be32(&ddr->err_int_en, regs->err_int_en); - for (i = 0; i < 32; i++) { - if (regs->debug[i]) { - debug("Write to debug_%d as %08x\n", i+1, regs->debug[i]); - out_be32(&ddr->debug[i], regs->debug[i]); - } - } -#ifdef CONFIG_SYS_FSL_ERRATUM_A_004934 - out_be32(&ddr->debug[28], 0x30003000); -#endif - -#ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003474 - out_be32(&ddr->debug[12], 0x00000015); - out_be32(&ddr->debug[21], 0x24000000); -#endif /* CONFIG_SYS_FSL_ERRATUM_DDR_A003474 */ - - /* - * For RDIMMs, JEDEC spec requires clocks to be stable before reset is - * deasserted. Clocks start when any chip select is enabled and clock - * control register is set. Because all DDR components are connected to - * one reset signal, this needs to be done in two steps. Step 1 is to - * get the clocks started. Step 2 resumes after reset signal is - * deasserted. - */ - if (step == 1) { - udelay(200); - return; - } - -step2: - /* 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); -#ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003 - debug("Workaround for ERRATUM_DDR_A003\n"); - if (regs->ddr_sdram_rcw_2 & 0x00f00000) { - out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2 & 0xf07fffff); - out_be32(&ddr->debug[2], 0x00000400); - out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl & 0x7fffffff); - out_be32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl & 0x7fffffff); - out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2 & 0xffffffeb); - out_be32(&ddr->mtcr, 0); - out_be32(&ddr->debug[12], 0x00000015); - out_be32(&ddr->debug[21], 0x24000000); - out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval & 0xffff); - out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_BI | SDRAM_CFG_MEM_EN); - - asm volatile("sync;isync"); - while (!(in_be32(&ddr->debug[1]) & 0x2)) - ; - - switch (regs->ddr_sdram_rcw_2 & 0x00f00000) { - case 0x00000000: - out_be32(&ddr->sdram_md_cntl, - MD_CNTL_MD_EN | - MD_CNTL_CS_SEL_CS0_CS1 | - 0x04000000 | - MD_CNTL_WRCW | - MD_CNTL_MD_VALUE(0x02)); - break; - case 0x00100000: - out_be32(&ddr->sdram_md_cntl, - MD_CNTL_MD_EN | - MD_CNTL_CS_SEL_CS0_CS1 | - 0x04000000 | - MD_CNTL_WRCW | - MD_CNTL_MD_VALUE(0x0a)); - break; - case 0x00200000: - out_be32(&ddr->sdram_md_cntl, - MD_CNTL_MD_EN | - MD_CNTL_CS_SEL_CS0_CS1 | - 0x04000000 | - MD_CNTL_WRCW | - MD_CNTL_MD_VALUE(0x12)); - break; - case 0x00300000: - out_be32(&ddr->sdram_md_cntl, - MD_CNTL_MD_EN | - MD_CNTL_CS_SEL_CS0_CS1 | - 0x04000000 | - MD_CNTL_WRCW | - MD_CNTL_MD_VALUE(0x1a)); - break; - default: - out_be32(&ddr->sdram_md_cntl, - MD_CNTL_MD_EN | - MD_CNTL_CS_SEL_CS0_CS1 | - 0x04000000 | - MD_CNTL_WRCW | - MD_CNTL_MD_VALUE(0x02)); - printf("Unsupported RC10\n"); - break; - } - - while (in_be32(&ddr->sdram_md_cntl) & 0x80000000) - ; - udelay(6); - out_be32(&ddr->sdram_cfg, temp_sdram_cfg); - out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2); - out_be32(&ddr->debug[2], 0x0); - out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl); - out_be32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl); - out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); - out_be32(&ddr->debug[12], 0x0); - out_be32(&ddr->debug[21], 0x0); - out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval); - - } -#endif - /* - * 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_SYS_FSL_ERRATUM_DDR_115 - debug("Workaround for ERRATUM_DDR_115\n"); - if ((((in_be32(&ddr->sdram_cfg) >> 24) & 0x7) == SDRAM_TYPE_DDR2) - && in_be32(&ddr->sdram_cfg) & 0x80000) { - /* set DEBUG_1[31] */ - setbits_be32(&ddr->debug[0], 1); - } -#endif -#ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 - debug("Workaround for ERRATUM_DDR111_DDR134\n"); - /* - * This is the combined workaround for DDR111 and DDR134 - * following the published errata for MPC8572 - */ - - /* 1. Set EEBACR[3] */ - setbits_be32(&ecm->eebacr, 0x10000000); - debug("Setting EEBACR[3] to 0x%08x\n", in_be32(&ecm->eebacr)); - - /* 2. Set DINIT in SDRAM_CFG_2*/ - setbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_D_INIT); - debug("Setting sdram_cfg_2[D_INIT] to 0x%08x\n", - in_be32(&ddr->sdram_cfg_2)); - - /* 3. Set DEBUG_3[21] */ - setbits_be32(&ddr->debug[2], 0x400); - debug("Setting DEBUG_3[21] to 0x%08x\n", in_be32(&ddr->debug[2])); - -#endif /* part 1 of the workaound */ - - /* - * 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) & ~SDRAM_CFG_BI; - out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); - asm volatile("sync;isync"); - - total_gb_size_per_controller = 0; - for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { - if (!(regs->cs[i].config & 0x80000000)) - continue; - total_gb_size_per_controller += 1 << ( - ((regs->cs[i].config >> 14) & 0x3) + 2 + - ((regs->cs[i].config >> 8) & 0x7) + 12 + - ((regs->cs[i].config >> 0) & 0x7) + 8 + - 3 - ((regs->ddr_sdram_cfg >> 19) & 0x3) - - 26); /* minus 26 (count of 64M) */ - } - if (fsl_ddr_get_intl3r() & 0x80000000) /* 3-way interleaving */ - total_gb_size_per_controller *= 3; - else if (regs->cs[0].config & 0x20000000) /* 2-way interleaving */ - total_gb_size_per_controller <<= 1; - /* - * total memory / bus width = transactions needed - * transactions needed / data rate = seconds - * to add plenty of buffer, double the time - * For example, 2GB on 666MT/s 64-bit bus takes about 402ms - * Let's wait for 800ms - */ - bus_width = 3 - ((ddr->sdram_cfg & SDRAM_CFG_DBW_MASK) - >> SDRAM_CFG_DBW_SHIFT); - timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 / - (get_ddr_freq(0) >> 20)) << 1; -#ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 - timeout_save = timeout; -#endif - total_gb_size_per_controller >>= 4; /* shift down to gb size */ - debug("total %d GB\n", total_gb_size_per_controller); - debug("Need to wait up to %d * 10ms\n", timeout); - - /* Poll DDR_SDRAM_CFG_2[D_INIT] bit until auto-data init is done. */ - while ((in_be32(&ddr->sdram_cfg_2) & SDRAM_CFG2_D_INIT) && - (timeout >= 0)) { - udelay(10000); /* throttle polling rate */ - timeout--; - } - - if (timeout <= 0) - printf("Waiting for D_INIT timeout. Memory may not work.\n"); - -#ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 - /* continue this workaround */ - - /* 4. Clear DEBUG3[21] */ - clrbits_be32(&ddr->debug[2], 0x400); - debug("Clearing D3[21] to 0x%08x\n", in_be32(&ddr->debug[2])); - - /* DDR134 workaround starts */ - /* A: Clear sdram_cfg_2[odt_cfg] */ - clrbits_be32(&ddr->sdram_cfg_2, SDRAM_CFG2_ODT_CFG_MASK); - debug("Clearing SDRAM_CFG2[ODT_CFG] to 0x%08x\n", - in_be32(&ddr->sdram_cfg_2)); - - /* B: Set DEBUG1[15] */ - setbits_be32(&ddr->debug[0], 0x10000); - debug("Setting D1[15] to 0x%08x\n", in_be32(&ddr->debug[0])); - - /* C: Set timing_cfg_2[cpo] to 0b11111 */ - setbits_be32(&ddr->timing_cfg_2, TIMING_CFG_2_CPO_MASK); - debug("Setting TMING_CFG_2[CPO] to 0x%08x\n", - in_be32(&ddr->timing_cfg_2)); - - /* D: Set D6 to 0x9f9f9f9f */ - out_be32(&ddr->debug[5], 0x9f9f9f9f); - debug("Setting D6 to 0x%08x\n", in_be32(&ddr->debug[5])); - - /* E: Set D7 to 0x9f9f9f9f */ - out_be32(&ddr->debug[6], 0x9f9f9f9f); - debug("Setting D7 to 0x%08x\n", in_be32(&ddr->debug[6])); - - /* F: Set D2[20] */ - setbits_be32(&ddr->debug[1], 0x800); - debug("Setting D2[20] to 0x%08x\n", in_be32(&ddr->debug[1])); - - /* G: Poll on D2[20] until cleared */ - while (in_be32(&ddr->debug[1]) & 0x800) - udelay(10000); /* throttle polling rate */ - - /* H: Clear D1[15] */ - clrbits_be32(&ddr->debug[0], 0x10000); - debug("Setting D1[15] to 0x%08x\n", in_be32(&ddr->debug[0])); - - /* I: Set sdram_cfg_2[odt_cfg] */ - setbits_be32(&ddr->sdram_cfg_2, - regs->ddr_sdram_cfg_2 & SDRAM_CFG2_ODT_CFG_MASK); - debug("Setting sdram_cfg_2 to 0x%08x\n", in_be32(&ddr->sdram_cfg_2)); - - /* Continuing with the DDR111 workaround */ - /* 5. Set D2[21] */ - setbits_be32(&ddr->debug[1], 0x400); - debug("Setting D2[21] to 0x%08x\n", in_be32(&ddr->debug[1])); - - /* 6. Poll D2[21] until its cleared */ - while (in_be32(&ddr->debug[1]) & 0x400) - udelay(10000); /* throttle polling rate */ - - /* 7. Wait for state machine 2nd run, roughly 400ms/GB */ - debug("Wait for %d * 10ms\n", timeout_save); - udelay(timeout_save * 10000); - - /* 8. Set sdram_cfg_2[dinit] if options requires */ - setbits_be32(&ddr->sdram_cfg_2, - regs->ddr_sdram_cfg_2 & SDRAM_CFG2_D_INIT); - debug("Setting sdram_cfg_2 to 0x%08x\n", in_be32(&ddr->sdram_cfg_2)); - - /* 9. Poll until dinit is cleared */ - timeout = timeout_save; - debug("Need to wait up to %d * 10ms\n", timeout); - while ((in_be32(&ddr->sdram_cfg_2) & SDRAM_CFG2_D_INIT) && - (timeout >= 0)) { - udelay(10000); /* throttle polling rate */ - timeout--; - } - - if (timeout <= 0) - printf("Waiting for D_INIT timeout. Memory may not work.\n"); - - /* 10. Clear EEBACR[3] */ - clrbits_be32(&ecm->eebacr, 10000000); - debug("Clearing EEBACR[3] to 0x%08x\n", in_be32(&ecm->eebacr)); - - if (csn != -1) { - csn_bnds_t = (unsigned int *) ®s->cs[csn].bnds; - *csn_bnds_t = csn_bnds_backup; - debug("Change cs%d_bnds back to 0x%08x\n", - csn, regs->cs[csn].bnds); - setbits_be32(&ddr->sdram_cfg, 0x2); /* MEM_HALT */ - switch (csn) { - case 0: - out_be32(&ddr->cs0_bnds, regs->cs[csn].bnds); - break; - case 1: - out_be32(&ddr->cs1_bnds, regs->cs[csn].bnds); - break; - case 2: - out_be32(&ddr->cs2_bnds, regs->cs[csn].bnds); - break; - case 3: - out_be32(&ddr->cs3_bnds, regs->cs[csn].bnds); - break; - } - clrbits_be32(&ddr->sdram_cfg, 0x2); - } -#endif /* CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134 */ -} diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c index 5f198eb305..88c8e65930 100644 --- a/arch/powerpc/cpu/mpc85xx/mp.c +++ b/arch/powerpc/cpu/mpc85xx/mp.c @@ -11,7 +11,7 @@ #include <asm/io.h> #include <asm/mmu.h> #include <asm/fsl_law.h> -#include <asm/fsl_ddr_sdram.h> +#include <fsl_ddr_sdram.h> #include "mp.h" DECLARE_GLOBAL_DATA_PTR; |
