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![Dave Liu](/assets/img/avatar_default.png)
The DDR controller of 8548/8544/8568/8572/8536 processors have the ECC data init feature, and the new DDR code is using the feature, and we don't need the way with DMA to init memory any more. Signed-off-by: Dave Liu <daveliu@freescale.com> Acked-by: Andy Fleming <afleming@freescale.com>
387 lines
10 KiB
C
387 lines
10 KiB
C
/*
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* Copyright 2007
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* Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com
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*
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* Copyright 2007 Freescale Semiconductor, Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <pci.h>
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#include <asm/processor.h>
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#include <asm/immap_85xx.h>
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#include <asm/immap_fsl_pci.h>
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#include <asm/fsl_ddr_sdram.h>
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#include <asm/io.h>
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#include <asm/mmu.h>
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#include <spd_sdram.h>
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#include <miiphy.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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long int fixed_sdram(void);
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int board_early_init_f (void)
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{
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return 0;
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}
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int checkboard (void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
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volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
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if ((uint)&gur->porpllsr != 0xe00e0000) {
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printf("immap size error %lx\n",(ulong)&gur->porpllsr);
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}
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printf ("Board: ATUM8548\n");
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lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
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lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
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ecm->eedr = 0xffffffff; /* Clear ecm errors */
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ecm->eeer = 0xffffffff; /* Enable ecm errors */
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return 0;
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}
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#if !defined(CONFIG_SPD_EEPROM)
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/*************************************************************************
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* fixed sdram init -- doesn't use serial presence detect.
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************************************************************************/
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long int fixed_sdram (void)
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{
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volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
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ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
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ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
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ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
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ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
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ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
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ddr->sdram_mode = CONFIG_SYS_DDR_MODE;
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ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
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#if defined (CONFIG_DDR_ECC)
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ddr->err_disable = 0x0000000D;
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ddr->err_sbe = 0x00ff0000;
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#endif
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asm("sync;isync;msync");
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udelay(500);
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#if defined (CONFIG_DDR_ECC)
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/* Enable ECC checking */
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ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
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#else
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ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
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#endif
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asm("sync; isync; msync");
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udelay(500);
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return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
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}
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#endif /* !defined(CONFIG_SPD_EEPROM) */
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phys_size_t
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initdram(int board_type)
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{
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long dram_size = 0;
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puts("Initializing\n");
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#if defined(CONFIG_SPD_EEPROM)
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puts("fsl_ddr_sdram\n");
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dram_size = fsl_ddr_sdram();
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dram_size = setup_ddr_tlbs(dram_size / 0x100000);
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dram_size *= 0x100000;
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#else
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puts("fixed_sdram\n");
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dram_size = fixed_sdram ();
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#endif
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puts(" DDR: ");
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return dram_size;
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}
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#if defined(CONFIG_SYS_DRAM_TEST)
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int
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testdram(void)
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{
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uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
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uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
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uint *p;
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printf("Testing DRAM from 0x%08x to 0x%08x\n",
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CONFIG_SYS_MEMTEST_START,
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CONFIG_SYS_MEMTEST_END);
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printf("DRAM test phase 1:\n");
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for (p = pstart; p < pend; p++) {
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printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p);
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*p = 0xaaaaaaaa;
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}
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for (p = pstart; p < pend; p++) {
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if (*p != 0xaaaaaaaa) {
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printf ("DRAM test fails at: %08x\n", (uint) p);
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return 1;
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}
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}
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printf("DRAM test phase 2:\n");
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for (p = pstart; p < pend; p++)
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*p = 0x55555555;
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for (p = pstart; p < pend; p++) {
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if (*p != 0x55555555) {
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printf ("DRAM test fails at: %08x\n", (uint) p);
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return 1;
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}
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}
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printf("DRAM test passed.\n");
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return 0;
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}
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#endif
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#ifdef CONFIG_PCI1
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static struct pci_controller pci1_hose;
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#endif
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#ifdef CONFIG_PCI2
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static struct pci_controller pci2_hose;
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#endif
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#ifdef CONFIG_PCIE1
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static struct pci_controller pcie1_hose;
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#endif
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int first_free_busno=0;
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extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
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extern void fsl_pci_init(struct pci_controller *hose);
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void
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pci_init_board(void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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uint devdisr = gur->devdisr;
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uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
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uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
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debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
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devdisr, io_sel, host_agent);
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/* explicitly set 'Clock out select register' to echo SYSCLK input to our CPLD */
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gur->clkocr |= MPC85xx_ATUM_CLKOCR;
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if (io_sel & 1) {
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if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
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printf (" eTSEC1 is in sgmii mode.\n");
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if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
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printf (" eTSEC2 is in sgmii mode.\n");
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if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
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printf (" eTSEC3 is in sgmii mode.\n");
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if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
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printf (" eTSEC4 is in sgmii mode.\n");
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}
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#ifdef CONFIG_PCIE1
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{
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volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
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struct pci_controller *hose = &pcie1_hose;
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int pcie_ep = (host_agent == 5);
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int pcie_configured = io_sel & 6;
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struct pci_region *r = hose->regions;
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if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
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printf ("\n PCIE1 connected to slot as %s (base address %x)",
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pcie_ep ? "End Point" : "Root Complex",
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(uint)pci);
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if (pci->pme_msg_det) {
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pci->pme_msg_det = 0xffffffff;
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debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
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}
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printf ("\n");
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/* inbound */
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r += fsl_pci_setup_inbound_windows(r);
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/* outbound memory */
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pci_set_region(r++,
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CONFIG_SYS_PCIE1_MEM_BASE,
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CONFIG_SYS_PCIE1_MEM_PHYS,
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CONFIG_SYS_PCIE1_MEM_SIZE,
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PCI_REGION_MEM);
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/* outbound io */
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pci_set_region(r++,
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CONFIG_SYS_PCIE1_IO_BASE,
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CONFIG_SYS_PCIE1_IO_PHYS,
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CONFIG_SYS_PCIE1_IO_SIZE,
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PCI_REGION_IO);
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#ifdef CONFIG_SYS_PCIE1_MEM_BASE2
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/* outbound memory */
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pci_set_region(r++,
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CONFIG_SYS_PCIE1_MEM_BASE2,
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CONFIG_SYS_PCIE1_MEM_PHYS2,
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CONFIG_SYS_PCIE1_MEM_SIZE2,
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PCI_REGION_MEM);
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#endif
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hose->region_count = r - hose->regions;
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hose->first_busno=first_free_busno;
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pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
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fsl_pci_init(hose);
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first_free_busno=hose->last_busno+1;
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printf(" PCIE1 on bus %02x - %02x\n",
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hose->first_busno,hose->last_busno);
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} else {
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printf (" PCIE1: disabled\n");
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}
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}
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#else
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gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
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#endif
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#ifdef CONFIG_PCI1
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{
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volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
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struct pci_controller *hose = &pci1_hose;
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struct pci_region *r = hose->regions;
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uint pci_agent = (host_agent == 6);
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uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */
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uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
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uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
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uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
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if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
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printf ("\n PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
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(pci_32) ? 32 : 64,
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(pci_speed == 33333000) ? "33" :
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(pci_speed == 66666000) ? "66" : "unknown",
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pci_clk_sel ? "sync" : "async",
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pci_agent ? "agent" : "host",
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pci_arb ? "arbiter" : "external-arbiter",
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(uint)pci
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);
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/* inbound */
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r += fsl_pci_setup_inbound_windows(r);
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/* outbound memory */
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pci_set_region(r++,
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CONFIG_SYS_PCI1_MEM_BASE,
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CONFIG_SYS_PCI1_MEM_PHYS,
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CONFIG_SYS_PCI1_MEM_SIZE,
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PCI_REGION_MEM);
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/* outbound io */
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pci_set_region(r++,
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CONFIG_SYS_PCI1_IO_BASE,
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CONFIG_SYS_PCI1_IO_PHYS,
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CONFIG_SYS_PCI1_IO_SIZE,
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PCI_REGION_IO);
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hose->region_count = r - hose->regions;
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hose->first_busno=first_free_busno;
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pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
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fsl_pci_init(hose);
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first_free_busno=hose->last_busno+1;
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printf ("PCI1 on bus %02x - %02x\n",
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hose->first_busno,hose->last_busno);
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} else {
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printf (" PCI1: disabled\n");
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}
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}
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#else
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gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
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#endif
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#ifdef CONFIG_PCI2
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{
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volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR;
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extern void fsl_pci_init(struct pci_controller *hose);
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struct pci_controller *hose = &pci2_hose;
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struct pci_region *r = hose->regions;
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if (!(devdisr & MPC85xx_DEVDISR_PCI2)) {
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r += fsl_pci_setup_inbound_windows(r);
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pci_set_region(r++,
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CONFIG_SYS_PCI2_MEM_BASE,
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CONFIG_SYS_PCI2_MEM_PHYS,
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CONFIG_SYS_PCI2_MEM_SIZE,
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PCI_REGION_MEM);
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pci_set_region(r++,
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CONFIG_SYS_PCI2_IO_BASE,
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CONFIG_SYS_PCI2_IO_PHYS,
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CONFIG_SYS_PCI2_IO_SIZE,
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PCI_REGION_IO);
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hose->region_count = r - hose->regions;
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hose->first_busno=first_free_busno;
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pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
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fsl_pci_init(hose);
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first_free_busno=hose->last_busno+1;
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printf ("PCI2 on bus %02x - %02x\n",
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hose->first_busno,hose->last_busno);
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} else {
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printf (" PCI2: disabled\n");
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}
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}
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#else
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gur->devdisr |= MPC85xx_DEVDISR_PCI2;
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#endif
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}
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int last_stage_init(void)
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{
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int ic = icache_status ();
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printf ("icache_status: %d\n", ic);
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return 0;
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}
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#if defined(CONFIG_OF_BOARD_SETUP)
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extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
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struct pci_controller *hose);
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void ft_board_setup(void *blob, bd_t *bd)
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{
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ft_cpu_setup(blob, bd);
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#ifdef CONFIG_PCI1
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ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
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#endif
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#ifdef CONFIG_PCI2
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ft_fsl_pci_setup(blob, "pci1", &pci2_hose);
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#endif
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#ifdef CONFIG_PCIE1
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ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
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#endif
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}
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#endif
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