mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-10-04 18:40:42 +09:00
9b0ad1b1c7
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>
659 lines
16 KiB
C
659 lines
16 KiB
C
/*
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* Copyright 2008 Freescale Semiconductor.
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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/mmu.h>
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#include <asm/cache.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 <spd.h>
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#include <miiphy.h>
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#include <libfdt.h>
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#include <spd_sdram.h>
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#include <fdt_support.h>
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#include <tsec.h>
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#include <netdev.h>
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#include "../common/pixis.h"
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#include "../common/sgmii_riser.h"
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phys_size_t fixed_sdram(void);
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int checkboard (void)
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{
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printf ("Board: MPC8536DS, System ID: 0x%02x, "
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"System Version: 0x%02x, FPGA Version: 0x%02x\n",
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in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
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in8(PIXIS_BASE + PIXIS_PVER));
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return 0;
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}
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phys_size_t
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initdram(int board_type)
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{
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phys_size_t dram_size = 0;
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puts("Initializing....");
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#ifdef CONFIG_SPD_EEPROM
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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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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_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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phys_size_t fixed_sdram (void)
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{
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volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
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volatile ccsr_ddr_t *ddr= &immap->im_ddr;
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uint d_init;
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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_3 = CONFIG_SYS_DDR_TIMING_3;
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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_1;
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ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
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ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
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ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
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ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
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ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
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#if defined (CONFIG_DDR_ECC)
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ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
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ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
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ddr->err_sbe = CONFIG_SYS_DDR_SBE;
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#endif
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asm("sync;isync");
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udelay(500);
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ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
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#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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d_init = 1;
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debug("DDR - 1st controller: memory initializing\n");
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/*
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* Poll until memory is initialized.
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* 512 Meg at 400 might hit this 200 times or so.
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*/
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while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
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udelay(1000);
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}
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debug("DDR: memory initialized\n\n");
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asm("sync; isync");
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udelay(500);
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#endif
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return 512 * 1024 * 1024;
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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_PCIE1
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static struct pci_controller pcie1_hose;
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#endif
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#ifdef CONFIG_PCIE2
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static struct pci_controller pcie2_hose;
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#endif
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#ifdef CONFIG_PCIE3
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static struct pci_controller pcie3_hose;
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#endif
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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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int first_free_busno=0;
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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 sdrs2_io_sel =
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(gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
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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, sdrs2_io_sel=%x, io_sel=%x,\
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host_agent=%x\n", devdisr, sdrs2_io_sel, io_sel, host_agent);
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if (sdrs2_io_sel == 7)
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printf(" Serdes2 disalbed\n");
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else if (sdrs2_io_sel == 4) {
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printf(" eTSEC1 is in sgmii mode.\n");
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printf(" eTSEC3 is in sgmii mode.\n");
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} else if (sdrs2_io_sel == 6)
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printf(" eTSEC1 is in sgmii mode.\n");
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#ifdef CONFIG_PCIE3
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{
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volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
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struct pci_controller *hose = &pcie3_hose;
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int pcie_ep = (host_agent == 1);
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int pcie_configured = (io_sel == 7);
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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 PCIE3 connected to Slot3 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_PCIE3_MEM_BASE,
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CONFIG_SYS_PCIE3_MEM_PHYS,
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CONFIG_SYS_PCIE3_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_PCIE3_IO_BASE,
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CONFIG_SYS_PCIE3_IO_PHYS,
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CONFIG_SYS_PCIE3_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 (" PCIE3 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 (" PCIE3: disabled\n");
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}
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}
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#else
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gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
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#endif
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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 == 2 || io_sel == 3
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|| io_sel == 5 || io_sel == 7);
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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 Slot1 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_PCIE2
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{
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volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
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struct pci_controller *hose = &pcie2_hose;
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int pcie_ep = (host_agent == 3);
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int pcie_configured = (io_sel == 5 || io_sel == 7);
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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 PCIE2 connected to Slot 2 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_PCIE2_MEM_BASE,
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CONFIG_SYS_PCIE2_MEM_PHYS,
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CONFIG_SYS_PCIE2_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_PCIE2_IO_BASE,
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CONFIG_SYS_PCIE2_IO_PHYS,
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CONFIG_SYS_PCIE2_IO_SIZE,
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PCI_REGION_IO);
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#ifdef CONFIG_SYS_PCIE2_MEM_BASE2
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/* outbound memory */
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pci_set_region(r++,
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CONFIG_SYS_PCIE2_MEM_BASE2,
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CONFIG_SYS_PCIE2_MEM_PHYS2,
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CONFIG_SYS_PCIE2_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 (" PCIE2 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 (" PCIE2: disabled\n");
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}
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}
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#else
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gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* 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 = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
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uint pci_32 = 1;
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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 PCI: %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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#ifdef CONFIG_SYS_PCI1_MEM_BASE2
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/* outbound memory */
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pci_set_region(r++,
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CONFIG_SYS_PCI1_MEM_BASE2,
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CONFIG_SYS_PCI1_MEM_PHYS2,
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CONFIG_SYS_PCI1_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 ("PCI 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 (" PCI: 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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}
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int board_early_init_r(void)
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{
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const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
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const u8 flash_esel = 1;
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/*
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* Remap Boot flash + PROMJET region to caching-inhibited
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* so that flash can be erased properly.
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*/
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/* Flush d-cache and invalidate i-cache of any FLASH data */
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flush_dcache();
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invalidate_icache();
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/* invalidate existing TLB entry for flash + promjet */
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disable_tlb(flash_esel);
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set_tlb(1, flashbase, flashbase, /* tlb, epn, rpn */
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
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0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */
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return 0;
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}
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#ifdef CONFIG_GET_CLK_FROM_ICS307
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/* decode S[0-2] to Output Divider (OD) */
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static unsigned char
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ics307_S_to_OD[] = {
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10, 2, 8, 4, 5, 7, 3, 6
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};
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/* Calculate frequency being generated by ICS307-02 clock chip based upon
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* the control bytes being programmed into it. */
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/* XXX: This function should probably go into a common library */
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static unsigned long
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ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2)
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{
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const unsigned long long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
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unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
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unsigned long RDW = cw2 & 0x7F;
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unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
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unsigned long freq;
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/* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */
|
|
|
|
/* cw0: C1 C0 TTL F1 F0 S2 S1 S0
|
|
* cw1: V8 V7 V6 V5 V4 V3 V2 V1
|
|
* cw2: V0 R6 R5 R4 R3 R2 R1 R0
|
|
*
|
|
* R6:R0 = Reference Divider Word (RDW)
|
|
* V8:V0 = VCO Divider Word (VDW)
|
|
* S2:S0 = Output Divider Select (OD)
|
|
* F1:F0 = Function of CLK2 Output
|
|
* TTL = duty cycle
|
|
* C1:C0 = internal load capacitance for cyrstal
|
|
*/
|
|
|
|
/* Adding 1 to get a "nicely" rounded number, but this needs
|
|
* more tweaking to get a "properly" rounded number. */
|
|
|
|
freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));
|
|
|
|
debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2,
|
|
freq);
|
|
return freq;
|
|
}
|
|
|
|
unsigned long
|
|
get_board_sys_clk(ulong dummy)
|
|
{
|
|
return ics307_clk_freq (
|
|
in8(PIXIS_BASE + PIXIS_VSYSCLK0),
|
|
in8(PIXIS_BASE + PIXIS_VSYSCLK1),
|
|
in8(PIXIS_BASE + PIXIS_VSYSCLK2)
|
|
);
|
|
}
|
|
|
|
unsigned long
|
|
get_board_ddr_clk(ulong dummy)
|
|
{
|
|
return ics307_clk_freq (
|
|
in8(PIXIS_BASE + PIXIS_VDDRCLK0),
|
|
in8(PIXIS_BASE + PIXIS_VDDRCLK1),
|
|
in8(PIXIS_BASE + PIXIS_VDDRCLK2)
|
|
);
|
|
}
|
|
#else
|
|
unsigned long
|
|
get_board_sys_clk(ulong dummy)
|
|
{
|
|
u8 i;
|
|
ulong val = 0;
|
|
|
|
i = in8(PIXIS_BASE + PIXIS_SPD);
|
|
i &= 0x07;
|
|
|
|
switch (i) {
|
|
case 0:
|
|
val = 33333333;
|
|
break;
|
|
case 1:
|
|
val = 40000000;
|
|
break;
|
|
case 2:
|
|
val = 50000000;
|
|
break;
|
|
case 3:
|
|
val = 66666666;
|
|
break;
|
|
case 4:
|
|
val = 83333333;
|
|
break;
|
|
case 5:
|
|
val = 100000000;
|
|
break;
|
|
case 6:
|
|
val = 133333333;
|
|
break;
|
|
case 7:
|
|
val = 166666666;
|
|
break;
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
unsigned long
|
|
get_board_ddr_clk(ulong dummy)
|
|
{
|
|
u8 i;
|
|
ulong val = 0;
|
|
|
|
i = in8(PIXIS_BASE + PIXIS_SPD);
|
|
i &= 0x38;
|
|
i >>= 3;
|
|
|
|
switch (i) {
|
|
case 0:
|
|
val = 33333333;
|
|
break;
|
|
case 1:
|
|
val = 40000000;
|
|
break;
|
|
case 2:
|
|
val = 50000000;
|
|
break;
|
|
case 3:
|
|
val = 66666666;
|
|
break;
|
|
case 4:
|
|
val = 83333333;
|
|
break;
|
|
case 5:
|
|
val = 100000000;
|
|
break;
|
|
case 6:
|
|
val = 133333333;
|
|
break;
|
|
case 7:
|
|
val = 166666666;
|
|
break;
|
|
}
|
|
return val;
|
|
}
|
|
#endif
|
|
|
|
int is_sata_supported(void)
|
|
{
|
|
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
|
|
uint sdrs2_io_sel =
|
|
(gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
|
|
if (sdrs2_io_sel & 0x04)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
#ifdef CONFIG_TSEC_ENET
|
|
struct tsec_info_struct tsec_info[2];
|
|
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
|
|
int num = 0;
|
|
uint sdrs2_io_sel =
|
|
(gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
|
|
|
|
#ifdef CONFIG_TSEC1
|
|
SET_STD_TSEC_INFO(tsec_info[num], 1);
|
|
if ((sdrs2_io_sel == 4) || (sdrs2_io_sel == 6)) {
|
|
tsec_info[num].phyaddr = 0;
|
|
tsec_info[num].flags |= TSEC_SGMII;
|
|
}
|
|
num++;
|
|
#endif
|
|
#ifdef CONFIG_TSEC3
|
|
SET_STD_TSEC_INFO(tsec_info[num], 3);
|
|
if (sdrs2_io_sel == 4) {
|
|
tsec_info[num].phyaddr = 1;
|
|
tsec_info[num].flags |= TSEC_SGMII;
|
|
}
|
|
num++;
|
|
#endif
|
|
|
|
if (!num) {
|
|
printf("No TSECs initialized\n");
|
|
return 0;
|
|
}
|
|
|
|
if ((sdrs2_io_sel == 4) || (sdrs2_io_sel == 6))
|
|
fsl_sgmii_riser_init(tsec_info, num);
|
|
|
|
tsec_eth_init(bis, tsec_info, num);
|
|
#endif
|
|
return pci_eth_init(bis);
|
|
}
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP)
|
|
extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
|
|
struct pci_controller *hose);
|
|
|
|
void ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
ft_cpu_setup(blob, bd);
|
|
|
|
#ifdef CONFIG_PCI1
|
|
ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
|
|
#endif
|
|
#ifdef CONFIG_PCIE2
|
|
ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
|
|
#endif
|
|
#ifdef CONFIG_PCIE2
|
|
ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
|
|
#endif
|
|
#ifdef CONFIG_PCIE1
|
|
ft_fsl_pci_setup(blob, "pci3", &pcie3_hose);
|
|
#endif
|
|
}
|
|
#endif
|