/* * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com> * Copyright 2007 Embedded Specialties, Inc. * Joe Hamman joe.hamman@embeddedspecialties.com * * Copyright 2004 Freescale Semiconductor. * Jeff Brown * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) * * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> * * 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_86xx.h> #include <asm/immap_fsl_pci.h> #include <asm/fsl_ddr_sdram.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 long int fixed_sdram (void); int board_early_init_f (void) { return 0; } int checkboard (void) { puts ("Board: Wind River SBC8641D\n"); return 0; } phys_size_t initdram (int board_type) { long dram_size = 0; #if defined(CONFIG_SPD_EEPROM) dram_size = fsl_ddr_sdram(); #else dram_size = fixed_sdram (); #endif #if defined(CFG_RAMBOOT) puts (" DDR: "); return dram_size; #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; puts ("SDRAM test phase 1:\n"); for (p = pstart; p < pend; p++) *p = 0xaaaaaaaa; for (p = pstart; p < pend; p++) { if (*p != 0xaaaaaaaa) { printf ("SDRAM test fails at: %08x\n", (uint) p); return 1; } } puts ("SDRAM test phase 2:\n"); for (p = pstart; p < pend; p++) *p = 0x55555555; for (p = pstart; p < pend; p++) { if (*p != 0x55555555) { printf ("SDRAM test fails at: %08x\n", (uint) p); return 1; } } puts ("SDRAM test passed.\n"); return 0; } #endif #if !defined(CONFIG_SPD_EEPROM) /* * Fixed sdram init -- doesn't use serial presence detect. */ long int fixed_sdram (void) { #if !defined(CFG_RAMBOOT) volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile ccsr_ddr_t *ddr = &immap->im_ddr1; ddr->cs0_bnds = CFG_DDR_CS0_BNDS; ddr->cs1_bnds = CFG_DDR_CS1_BNDS; ddr->cs2_bnds = CFG_DDR_CS2_BNDS; ddr->cs3_bnds = CFG_DDR_CS3_BNDS; ddr->cs0_config = CFG_DDR_CS0_CONFIG; ddr->cs1_config = CFG_DDR_CS1_CONFIG; ddr->cs2_config = CFG_DDR_CS2_CONFIG; ddr->cs3_config = CFG_DDR_CS3_CONFIG; ddr->timing_cfg_3 = CFG_DDR_TIMING_3; 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_cfg_1 = CFG_DDR_CFG_1A; ddr->sdram_cfg_2 = CFG_DDR_CFG_2; ddr->sdram_mode_1 = CFG_DDR_MODE_1; ddr->sdram_mode_2 = CFG_DDR_MODE_2; ddr->sdram_mode_cntl = CFG_DDR_MODE_CTL; ddr->sdram_interval = CFG_DDR_INTERVAL; ddr->sdram_data_init = CFG_DDR_DATA_INIT; ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL; asm ("sync;isync"); udelay (500); ddr->sdram_cfg_1 = CFG_DDR_CFG_1B; asm ("sync; isync"); udelay (500); ddr = &immap->im_ddr2; ddr->cs0_bnds = CFG_DDR2_CS0_BNDS; ddr->cs1_bnds = CFG_DDR2_CS1_BNDS; ddr->cs2_bnds = CFG_DDR2_CS2_BNDS; ddr->cs3_bnds = CFG_DDR2_CS3_BNDS; ddr->cs0_config = CFG_DDR2_CS0_CONFIG; ddr->cs1_config = CFG_DDR2_CS1_CONFIG; ddr->cs2_config = CFG_DDR2_CS2_CONFIG; ddr->cs3_config = CFG_DDR2_CS3_CONFIG; ddr->timing_cfg_3 = CFG_DDR2_EXT_REFRESH; ddr->timing_cfg_0 = CFG_DDR2_TIMING_0; ddr->timing_cfg_1 = CFG_DDR2_TIMING_1; ddr->timing_cfg_2 = CFG_DDR2_TIMING_2; ddr->sdram_cfg_1 = CFG_DDR2_CFG_1A; ddr->sdram_cfg_2 = CFG_DDR2_CFG_2; ddr->sdram_mode_1 = CFG_DDR2_MODE_1; ddr->sdram_mode_2 = CFG_DDR2_MODE_2; ddr->sdram_mode_cntl = CFG_DDR2_MODE_CTL; ddr->sdram_interval = CFG_DDR2_INTERVAL; ddr->sdram_data_init = CFG_DDR2_DATA_INIT; ddr->sdram_clk_cntl = CFG_DDR2_CLK_CTRL; asm ("sync;isync"); udelay (500); ddr->sdram_cfg_1 = CFG_DDR2_CFG_1B; asm ("sync; isync"); udelay (500); #endif return CFG_SDRAM_SIZE * 1024 * 1024; } #endif /* !defined(CONFIG_SPD_EEPROM) */ #if defined(CONFIG_PCI) /* * Initialize PCI Devices, report devices found. */ #ifndef CONFIG_PCI_PNP static struct pci_config_table pci_fsl86xxads_config_table[] = { {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_IDSEL_NUMBER, PCI_ANY_ID, pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, PCI_ENET0_MEMADDR, PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}}, {} }; #endif static struct pci_controller pci1_hose = { #ifndef CONFIG_PCI_PNP config_table:pci_mpc86xxcts_config_table #endif }; #endif /* CONFIG_PCI */ #ifdef CONFIG_PCI2 static struct pci_controller pci2_hose; #endif /* CONFIG_PCI2 */ int first_free_busno = 0; void pci_init_board(void) { volatile immap_t *immap = (immap_t *) CFG_CCSRBAR; volatile ccsr_gur_t *gur = &immap->im_gur; uint devdisr = gur->devdisr; uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL) >> MPC8641_PORDEVSR_IO_SEL_SHIFT; #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; #ifdef DEBUG uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA) >> MPC8641_PORBMSR_HA_SHIFT; uint pex1_agent = (host1_agent == 0) || (host1_agent == 1); #endif if ((io_sel == 2 || io_sel == 3 || io_sel == 5 || io_sel == 6 || io_sel == 7 || io_sel == 0xF) && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) { debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host"); debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det); if (pci->pme_msg_det) { pci->pme_msg_det = 0xffffffff; debug(" with errors. Clearing. Now 0x%08x", pci->pme_msg_det); } debug("\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_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 (" PCI-EXPRESS 1 on bus %02x - %02x\n", hose->first_busno,hose->last_busno); } else { puts("PCI-EXPRESS 1: Disabled\n"); } } #else puts("PCI-EXPRESS1: Disabled\n"); #endif /* CONFIG_PCI1 */ #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; /* 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_PCI2_MEM_BASE, CFG_PCI2_MEM_PHYS, CFG_PCI2_MEM_SIZE, PCI_REGION_MEM); /* outbound io */ 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 (" PCI-EXPRESS 2 on bus %02x - %02x\n", hose->first_busno,hose->last_busno); } #else puts("PCI-EXPRESS 2: Disabled\n"); #endif /* CONFIG_PCI2 */ } #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 } } #endif void sbc8641d_reset_board (void) { puts ("Resetting board....\n"); } /* * get_board_sys_clk * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ */ unsigned long get_board_sys_clk (ulong dummy) { int i; ulong val = 0; i = 5; i &= 0x07; switch (i) { case 0: val = 33000000; break; case 1: val = 40000000; break; case 2: val = 50000000; break; case 3: val = 66000000; break; case 4: val = 83000000; break; case 5: val = 100000000; break; case 6: val = 134000000; break; case 7: val = 166000000; break; } return val; }