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+/*
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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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+
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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/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 <fdt_support.h>
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+
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+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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+extern void ddr_enable_ecc(unsigned int dram_size);
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+#endif
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+
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+extern long int spd_sdram(void);
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+long int fixed_sdram(void);
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+
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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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+
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+int checkboard (void)
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+{
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+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
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+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
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+ volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
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+
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+ if ((uint)&gur->porpllsr != 0xe00e0000) {
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+ printf("immap size error %x\n",&gur->porpllsr);
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+ }
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+ printf ("Board: ATUM8548\n");
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+
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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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+
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+ return 0;
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+}
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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 *)(CFG_MPC85xx_DDR_ADDR);
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+
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+ ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
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+ ddr->cs0_config = CFG_DDR_CS0_CONFIG;
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+ ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
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+ ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
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+ ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
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+ ddr->sdram_mode = CFG_DDR_MODE;
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+ ddr->sdram_interval = CFG_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 = (CFG_DDR_CONTROL | 0x20000000);
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+ #else
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+ ddr->sdram_cfg = CFG_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 CFG_SDRAM_SIZE * 1024 * 1024;
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+}
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+#endif /* !defined(CONFIG_SPD_EEPROM) */
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+
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+long int
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+initdram(int board_type)
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+{
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+ long dram_size = 0;
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+
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+ puts("Initializing\n");
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+
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+#if defined(CONFIG_SPD_EEPROM)
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+ puts("spd_sdram\n");
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+ dram_size = spd_sdram ();
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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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+
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+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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+ /*
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+ * Initialize and enable DDR ECC.
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+ */
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+ ddr_enable_ecc(dram_size);
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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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+
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+#if defined(CFG_DRAM_TEST)
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+int
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+testdram(void)
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+{
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+ uint *pstart = (uint *) CFG_MEMTEST_START;
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+ uint *pend = (uint *) CFG_MEMTEST_END;
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+ uint *p;
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+
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+ printf("Testing DRAM from 0x%08x to 0x%08x\n",
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+ CFG_MEMTEST_START,
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+ CFG_MEMTEST_END);
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+int first_free_busno=0;
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+
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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 *)(CFG_MPC85xx_GUTS_ADDR);
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+
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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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+
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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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+
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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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+
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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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+
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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 *) CFG_PCIE1_ADDR;
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+ extern void fsl_pci_init(struct pci_controller *hose);
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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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+
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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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+
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+ /* inbound */
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+ pci_set_region(hose->regions + 0,
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+ CFG_PCI_MEMORY_BUS,
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+ CFG_PCI_MEMORY_PHYS,
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+ CFG_PCI_MEMORY_SIZE,
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+ PCI_REGION_MEM | PCI_REGION_MEMORY);
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+
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+ /* outbound memory */
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+ pci_set_region(hose->regions + 1,
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+ CFG_PCIE1_MEM_BASE,
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+ CFG_PCIE1_MEM_PHYS,
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+ CFG_PCIE1_MEM_SIZE,
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+ PCI_REGION_MEM);
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+
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+ /* outbound io */
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+ pci_set_region(hose->regions + 2,
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+ CFG_PCIE1_IO_BASE,
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+ CFG_PCIE1_IO_PHYS,
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+ CFG_PCIE1_IO_SIZE,
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+ PCI_REGION_IO);
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+
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+ hose->region_count = 3;
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+#ifdef CFG_PCIE1_MEM_BASE2
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+ /* outbound memory */
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+ pci_set_region(hose->regions + 3,
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+ CFG_PCIE1_MEM_BASE2,
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+ CFG_PCIE1_MEM_PHYS2,
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+ CFG_PCIE1_MEM_SIZE2,
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+ PCI_REGION_MEM);
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+ hose->region_count++;
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+#endif
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+ hose->first_busno=first_free_busno;
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+
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+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
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+
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+ fsl_pci_init(hose);
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+
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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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+
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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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+ }
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+#else
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+ gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
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+#endif
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+
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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 *) CFG_PCI1_ADDR;
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+ extern void fsl_pci_init(struct pci_controller *hose);
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+ struct pci_controller *hose = &pci1_hose;
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+
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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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+
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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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+
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+ /* inbound */
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+ pci_set_region(hose->regions + 0,
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+ CFG_PCI_MEMORY_BUS,
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+ CFG_PCI_MEMORY_PHYS,
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+ CFG_PCI_MEMORY_SIZE,
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+ PCI_REGION_MEM | PCI_REGION_MEMORY);
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+
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+ /* outbound memory */
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+ pci_set_region(hose->regions + 1,
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+ CFG_PCI1_MEM_BASE,
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+ CFG_PCI1_MEM_PHYS,
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+ CFG_PCI1_MEM_SIZE,
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+ PCI_REGION_MEM);
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+
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+ /* outbound io */
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+ pci_set_region(hose->regions + 2,
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+ CFG_PCI1_IO_BASE,
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+ CFG_PCI1_IO_PHYS,
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+ CFG_PCI1_IO_SIZE,
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+ PCI_REGION_IO);
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+ hose->region_count = 3;
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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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+
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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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+
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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 *) CFG_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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+
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+ if (!(devdisr & MPC85xx_DEVDISR_PCI2)) {
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+ pci_set_region(hose->regions + 0,
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+ CFG_PCI_MEMORY_BUS,
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+ CFG_PCI_MEMORY_PHYS,
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+ CFG_PCI_MEMORY_SIZE,
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+ PCI_REGION_MEM | PCI_REGION_MEMORY);
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+
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+ pci_set_region(hose->regions + 1,
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+ CFG_PCI2_MEM_BASE,
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+ CFG_PCI2_MEM_PHYS,
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+ CFG_PCI2_MEM_SIZE,
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+ PCI_REGION_MEM);
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+
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+ pci_set_region(hose->regions + 2,
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+ CFG_PCI2_IO_BASE,
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+ CFG_PCI2_IO_PHYS,
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+ CFG_PCI2_IO_SIZE,
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+ PCI_REGION_IO);
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+ hose->region_count = 3;
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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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+
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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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+
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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);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+#if defined(CONFIG_OF_BOARD_SETUP)
|
|
|
+
|
|
|
+void
|
|
|
+ft_board_setup(void *blob, bd_t *bd)
|
|
|
+{
|
|
|
+ int node, tmp[2];
|
|
|
+ const char *path;
|
|
|
+
|
|
|
+ ft_cpu_setup(blob, bd);
|
|
|
+
|
|
|
+ node = fdt_path_offset(blob, "/aliases");
|
|
|
+ tmp[0] = 0;
|
|
|
+ if (node >= 0) {
|
|
|
+#ifdef CONFIG_PCI1
|
|
|
+ path = fdt_getprop(blob, node, "pci0", NULL);
|
|
|
+ if (path) {
|
|
|
+ tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
|
|
|
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
|
|
|
+ }
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_PCI2
|
|
|
+ path = fdt_getprop(blob, node, "pci1", NULL);
|
|
|
+ if (path) {
|
|
|
+ tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;
|
|
|
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
|
|
|
+ }
|
|
|
+#endif
|
|
|
+#ifdef CONFIG_PCIE1
|
|
|
+ path = fdt_getprop(blob, node, "pci2", NULL);
|
|
|
+ if (path) {
|
|
|
+ tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
|
|
|
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
|
|
|
+ }
|
|
|
+#endif
|
|
|
+ }
|
|
|
+}
|
|
|
+#endif
|