| /* |
| * Copyright 2007 |
| * Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com |
| * |
| * Copyright 2007 Freescale Semiconductor, Inc. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <pci.h> |
| #include <asm/processor.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/immap_fsl_pci.h> |
| #include <asm/io.h> |
| #include <spd.h> |
| #include <miiphy.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| |
| #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
| extern void ddr_enable_ecc(unsigned int dram_size); |
| #endif |
| |
| extern long int spd_sdram(void); |
| long int fixed_sdram(void); |
| |
| int board_early_init_f (void) |
| { |
| return 0; |
| } |
| |
| int checkboard (void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
| volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); |
| volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR); |
| |
| if ((uint)&gur->porpllsr != 0xe00e0000) { |
| printf("immap size error %x\n",&gur->porpllsr); |
| } |
| printf ("Board: ATUM8548\n"); |
| |
| lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */ |
| lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ |
| ecm->eedr = 0xffffffff; /* Clear ecm errors */ |
| ecm->eeer = 0xffffffff; /* Enable ecm errors */ |
| |
| return 0; |
| } |
| |
| #if !defined(CONFIG_SPD_EEPROM) |
| /************************************************************************* |
| * fixed sdram init -- doesn't use serial presence detect. |
| ************************************************************************/ |
| long int fixed_sdram (void) |
| { |
| volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR); |
| |
| ddr->cs0_bnds = CFG_DDR_CS0_BNDS; |
| ddr->cs0_config = CFG_DDR_CS0_CONFIG; |
| ddr->timing_cfg_0 = CFG_DDR_TIMING_0; |
| ddr->timing_cfg_1 = CFG_DDR_TIMING_1; |
| ddr->timing_cfg_2 = CFG_DDR_TIMING_2; |
| ddr->sdram_mode = CFG_DDR_MODE; |
| ddr->sdram_interval = CFG_DDR_INTERVAL; |
| #if defined (CONFIG_DDR_ECC) |
| ddr->err_disable = 0x0000000D; |
| ddr->err_sbe = 0x00ff0000; |
| #endif |
| asm("sync;isync;msync"); |
| udelay(500); |
| #if defined (CONFIG_DDR_ECC) |
| /* Enable ECC checking */ |
| ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000); |
| #else |
| ddr->sdram_cfg = CFG_DDR_CONTROL; |
| #endif |
| asm("sync; isync; msync"); |
| udelay(500); |
| return CFG_SDRAM_SIZE * 1024 * 1024; |
| } |
| #endif /* !defined(CONFIG_SPD_EEPROM) */ |
| |
| long int |
| initdram(int board_type) |
| { |
| long dram_size = 0; |
| |
| puts("Initializing\n"); |
| |
| #if defined(CONFIG_SPD_EEPROM) |
| puts("spd_sdram\n"); |
| dram_size = spd_sdram (); |
| #else |
| puts("fixed_sdram\n"); |
| dram_size = fixed_sdram (); |
| #endif |
| |
| #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
| /* |
| * Initialize and enable DDR ECC. |
| */ |
| ddr_enable_ecc(dram_size); |
| #endif |
| puts(" DDR: "); |
| return dram_size; |
| } |
| |
| #if defined(CFG_DRAM_TEST) |
| int |
| testdram(void) |
| { |
| uint *pstart = (uint *) CFG_MEMTEST_START; |
| uint *pend = (uint *) CFG_MEMTEST_END; |
| uint *p; |
| |
| printf("Testing DRAM from 0x%08x to 0x%08x\n", |
| CFG_MEMTEST_START, |
| CFG_MEMTEST_END); |
| |
| printf("DRAM test phase 1:\n"); |
| for (p = pstart; p < pend; p++) { |
| printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p); |
| *p = 0xaaaaaaaa; |
| } |
| |
| for (p = pstart; p < pend; p++) { |
| if (*p != 0xaaaaaaaa) { |
| printf ("DRAM test fails at: %08x\n", (uint) p); |
| return 1; |
| } |
| } |
| |
| printf("DRAM test phase 2:\n"); |
| for (p = pstart; p < pend; p++) |
| *p = 0x55555555; |
| |
| for (p = pstart; p < pend; p++) { |
| if (*p != 0x55555555) { |
| printf ("DRAM test fails at: %08x\n", (uint) p); |
| return 1; |
| } |
| } |
| |
| printf("DRAM test passed.\n"); |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_PCI1 |
| static struct pci_controller pci1_hose; |
| #endif |
| |
| #ifdef CONFIG_PCI2 |
| static struct pci_controller pci2_hose; |
| #endif |
| |
| #ifdef CONFIG_PCIE1 |
| static struct pci_controller pcie1_hose; |
| #endif |
| |
| int first_free_busno=0; |
| |
| void |
| pci_init_board(void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
| |
| uint devdisr = gur->devdisr; |
| uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; |
| uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; |
| |
| debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n", |
| devdisr, io_sel, host_agent); |
| |
| /* explicitly set 'Clock out select register' to echo SYSCLK input to our CPLD */ |
| gur->clkocr |= MPC85xx_ATUM_CLKOCR; |
| |
| if (io_sel & 1) { |
| if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS)) |
| printf (" eTSEC1 is in sgmii mode.\n"); |
| if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) |
| printf (" eTSEC2 is in sgmii mode.\n"); |
| if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) |
| printf (" eTSEC3 is in sgmii mode.\n"); |
| if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS)) |
| printf (" eTSEC4 is in sgmii mode.\n"); |
| } |
| |
| #ifdef CONFIG_PCIE1 |
| { |
| volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR; |
| extern void fsl_pci_init(struct pci_controller *hose); |
| struct pci_controller *hose = &pcie1_hose; |
| int pcie_ep = (host_agent == 5); |
| int pcie_configured = io_sel & 6; |
| |
| if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ |
| printf ("\n PCIE1 connected to slot as %s (base address %x)", |
| pcie_ep ? "End Point" : "Root Complex", |
| (uint)pci); |
| if (pci->pme_msg_det) { |
| pci->pme_msg_det = 0xffffffff; |
| debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det); |
| } |
| printf ("\n"); |
| |
| /* inbound */ |
| pci_set_region(hose->regions + 0, |
| CFG_PCI_MEMORY_BUS, |
| CFG_PCI_MEMORY_PHYS, |
| CFG_PCI_MEMORY_SIZE, |
| PCI_REGION_MEM | PCI_REGION_MEMORY); |
| |
| /* outbound memory */ |
| pci_set_region(hose->regions + 1, |
| CFG_PCIE1_MEM_BASE, |
| CFG_PCIE1_MEM_PHYS, |
| CFG_PCIE1_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| /* outbound io */ |
| pci_set_region(hose->regions + 2, |
| CFG_PCIE1_IO_BASE, |
| CFG_PCIE1_IO_PHYS, |
| CFG_PCIE1_IO_SIZE, |
| PCI_REGION_IO); |
| |
| hose->region_count = 3; |
| #ifdef CFG_PCIE1_MEM_BASE2 |
| /* outbound memory */ |
| pci_set_region(hose->regions + 3, |
| CFG_PCIE1_MEM_BASE2, |
| CFG_PCIE1_MEM_PHYS2, |
| CFG_PCIE1_MEM_SIZE2, |
| PCI_REGION_MEM); |
| hose->region_count++; |
| #endif |
| hose->first_busno=first_free_busno; |
| |
| pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); |
| |
| fsl_pci_init(hose); |
| |
| first_free_busno=hose->last_busno+1; |
| printf(" PCIE1 on bus %02x - %02x\n", |
| hose->first_busno,hose->last_busno); |
| |
| } else { |
| printf (" PCIE1: disabled\n"); |
| } |
| |
| } |
| #else |
| gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ |
| #endif |
| |
| #ifdef CONFIG_PCI1 |
| { |
| volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR; |
| extern void fsl_pci_init(struct pci_controller *hose); |
| struct pci_controller *hose = &pci1_hose; |
| |
| uint pci_agent = (host_agent == 6); |
| uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */ |
| uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */ |
| uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */ |
| uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */ |
| |
| if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { |
| printf ("\n PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n", |
| (pci_32) ? 32 : 64, |
| (pci_speed == 33333000) ? "33" : |
| (pci_speed == 66666000) ? "66" : "unknown", |
| pci_clk_sel ? "sync" : "async", |
| pci_agent ? "agent" : "host", |
| pci_arb ? "arbiter" : "external-arbiter", |
| (uint)pci |
| ); |
| |
| /* inbound */ |
| pci_set_region(hose->regions + 0, |
| CFG_PCI_MEMORY_BUS, |
| CFG_PCI_MEMORY_PHYS, |
| CFG_PCI_MEMORY_SIZE, |
| PCI_REGION_MEM | PCI_REGION_MEMORY); |
| |
| /* outbound memory */ |
| pci_set_region(hose->regions + 1, |
| CFG_PCI1_MEM_BASE, |
| CFG_PCI1_MEM_PHYS, |
| CFG_PCI1_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| /* outbound io */ |
| pci_set_region(hose->regions + 2, |
| CFG_PCI1_IO_BASE, |
| CFG_PCI1_IO_PHYS, |
| CFG_PCI1_IO_SIZE, |
| PCI_REGION_IO); |
| hose->region_count = 3; |
| hose->first_busno=first_free_busno; |
| pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); |
| |
| fsl_pci_init(hose); |
| first_free_busno=hose->last_busno+1; |
| printf ("PCI1 on bus %02x - %02x\n", |
| hose->first_busno,hose->last_busno); |
| } else { |
| printf (" PCI1: disabled\n"); |
| } |
| } |
| #else |
| gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ |
| #endif |
| |
| #ifdef CONFIG_PCI2 |
| { |
| volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR; |
| extern void fsl_pci_init(struct pci_controller *hose); |
| struct pci_controller *hose = &pci2_hose; |
| |
| if (!(devdisr & MPC85xx_DEVDISR_PCI2)) { |
| pci_set_region(hose->regions + 0, |
| CFG_PCI_MEMORY_BUS, |
| CFG_PCI_MEMORY_PHYS, |
| CFG_PCI_MEMORY_SIZE, |
| PCI_REGION_MEM | PCI_REGION_MEMORY); |
| |
| pci_set_region(hose->regions + 1, |
| CFG_PCI2_MEM_BASE, |
| CFG_PCI2_MEM_PHYS, |
| CFG_PCI2_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| pci_set_region(hose->regions + 2, |
| CFG_PCI2_IO_BASE, |
| CFG_PCI2_IO_PHYS, |
| CFG_PCI2_IO_SIZE, |
| PCI_REGION_IO); |
| hose->region_count = 3; |
| hose->first_busno=first_free_busno; |
| pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); |
| |
| fsl_pci_init(hose); |
| first_free_busno=hose->last_busno+1; |
| printf ("PCI2 on bus %02x - %02x\n", |
| hose->first_busno,hose->last_busno); |
| } else { |
| printf (" PCI2: disabled\n"); |
| } |
| } |
| #else |
| gur->devdisr |= MPC85xx_DEVDISR_PCI2; |
| #endif |
| } |
| |
| |
| int last_stage_init(void) |
| { |
| int ic = icache_status (); |
| 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 |