X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=board%2Fsbc8548%2Fsbc8548.c;h=d584276253a5e33414a085d2e5414844cfd11a94;hp=9c05c2f17280a8282b3bda7604b7f6effad82470;hb=a891601ce51edbafa1a2750c96a618e4fcbca1c2;hpb=5f58f8d20f97deaf4dde7eb3886efa3e5a3715ee diff --git a/board/sbc8548/sbc8548.c b/board/sbc8548/sbc8548.c index 9c05c2f172..d584276253 100644 --- a/board/sbc8548/sbc8548.c +++ b/board/sbc8548/sbc8548.c @@ -1,28 +1,13 @@ /* - * Copyright 2007 Wind River Systemes, Inc. + * Copyright 2007,2009 Wind River Systems, Inc. + * * Copyright 2007 Embedded Specialties, Inc. * * Copyright 2004, 2007 Freescale Semiconductor. * * (C) Copyright 2002 Scott McNutt * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -30,8 +15,11 @@ #include #include #include -#include +#include +#include #include +#include +#include #include #include #include @@ -39,8 +27,6 @@ DECLARE_GLOBAL_DATA_PTR; void local_bus_init(void); -void sdram_init(void); -long int fixed_sdram (void); int board_early_init_f (void) { @@ -49,69 +35,22 @@ int board_early_init_f (void) int checkboard (void) { - volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); volatile u_char *rev= (void *)CONFIG_SYS_BD_REV; printf ("Board: Wind River SBC8548 Rev. 0x%01x\n", - (*rev) >> 4); + in_8(rev) >> 4); /* * Initialize local bus. */ local_bus_init (); - /* - * Hack TSEC 3 and 4 IO voltages. - */ - gur->tsec34ioovcr = 0xe7e0; /* 1110 0111 1110 0xxx */ - - ecm->eedr = 0xffffffff; /* clear ecm errors */ - ecm->eeer = 0xffffffff; /* enable ecm errors */ + out_be32(&ecm->eedr, 0xffffffff); /* clear ecm errors */ + out_be32(&ecm->eeer, 0xffffffff); /* enable ecm errors */ return 0; } -phys_size_t -initdram(int board_type) -{ - long dram_size = 0; - - puts("Initializing\n"); - -#if defined(CONFIG_DDR_DLL) - { - /* - * Work around to stabilize DDR DLL MSYNC_IN. - * Errata DDR9 seems to have been fixed. - * This is now the workaround for Errata DDR11: - * Override DLL = 1, Course Adj = 1, Tap Select = 0 - */ - - volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - - gur->ddrdllcr = 0x81000000; - asm("sync;isync;msync"); - udelay(200); - } -#endif - -#if defined(CONFIG_SPD_EEPROM) - dram_size = fsl_ddr_sdram(); - dram_size = setup_ddr_tlbs(dram_size / 0x100000); - dram_size *= 0x100000; -#else - dram_size = fixed_sdram (); -#endif - - /* - * SDRAM Initialization - */ - sdram_init(); - - puts(" DDR: "); - return dram_size; -} - /* * Initialize Local Bus */ @@ -119,109 +58,139 @@ void local_bus_init(void) { volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); + volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; - uint clkdiv; - uint lbc_hz; + uint clkdiv, lbc_mhz, lcrr = CONFIG_SYS_LBC_LCRR; sys_info_t sysinfo; get_sys_info(&sysinfo); - clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2; - lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; - gur->lbiuiplldcr1 = 0x00078080; + lbc_mhz = sysinfo.freq_localbus / 1000000; + clkdiv = sysinfo.freq_systembus / sysinfo.freq_localbus; + + debug("LCRR=0x%x, CD=%d, MHz=%d\n", lcrr, clkdiv, lbc_mhz); + + out_be32(&gur->lbiuiplldcr1, 0x00078080); if (clkdiv == 16) { - gur->lbiuiplldcr0 = 0x7c0f1bf0; + out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0); } else if (clkdiv == 8) { - gur->lbiuiplldcr0 = 0x6c0f1bf0; + out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0); } else if (clkdiv == 4) { - gur->lbiuiplldcr0 = 0x5c0f1bf0; + out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0); + } + + /* + * Local Bus Clock > 83.3 MHz. According to timing + * specifications set LCRR[EADC] to 2 delay cycles. + */ + if (lbc_mhz > 83) { + lcrr &= ~LCRR_EADC; + lcrr |= LCRR_EADC_2; } - lbc->lcrr |= 0x00030000; + /* + * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30 + * disable PLL bypass for Local Bus Clock > 83 MHz. + */ + if (lbc_mhz >= 66) + lcrr &= (~LCRR_DBYP); /* DLL Enabled */ + + else + lcrr |= LCRR_DBYP; /* DLL Bypass */ + out_be32(&lbc->lcrr, lcrr); asm("sync;isync;msync"); - lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */ - lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ + /* + * According to MPC8548ERMAD Rev.1.3 read back LCRR + * and terminate with isync + */ + lcrr = in_be32(&lbc->lcrr); + asm ("isync;"); + + /* let DLL stabilize */ + udelay(500); + + out_be32(&lbc->ltesr, 0xffffffff); /* Clear LBC error IRQs */ + out_be32(&lbc->lteir, 0xffffffff); /* Enable LBC error IRQs */ } /* * Initialize SDRAM memory on the Local Bus. */ -void -sdram_init(void) +void lbc_sdram_init(void) { -#if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM) +#if defined(CONFIG_SYS_LBC_SDRAM_SIZE) uint idx; - volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); + const unsigned long size = CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024; + volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE; - uint lsdmr_common; + uint *sdram_addr2 = (uint *)(CONFIG_SYS_LBC_SDRAM_BASE + size/2); puts(" SDRAM: "); - print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); + print_size(size, "\n"); /* * Setup SDRAM Base and Option Registers */ - lbc->or3 = CONFIG_SYS_OR3_PRELIM; - asm("msync"); + set_lbc_or(3, CONFIG_SYS_OR3_PRELIM); + set_lbc_br(3, CONFIG_SYS_BR3_PRELIM); + set_lbc_or(4, CONFIG_SYS_OR4_PRELIM); + set_lbc_br(4, CONFIG_SYS_BR4_PRELIM); - lbc->br3 = CONFIG_SYS_BR3_PRELIM; + out_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR); asm("msync"); - lbc->lbcr = CONFIG_SYS_LBC_LBCR; - asm("msync"); - - - lbc->lsrt = CONFIG_SYS_LBC_LSRT; - lbc->mrtpr = CONFIG_SYS_LBC_MRTPR; + out_be32(&lbc->lsrt, CONFIG_SYS_LBC_LSRT); + out_be32(&lbc->mrtpr, CONFIG_SYS_LBC_MRTPR); asm("msync"); - /* - * MPC8548 uses "new" 15-16 style addressing. - */ - lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON; - lsdmr_common |= LSDMR_BSMA1516; - /* * Issue PRECHARGE ALL command. */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL; + out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_PCHALL); asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr); + *sdram_addr2 = 0xff; + ppcDcbf((unsigned long) sdram_addr2); udelay(100); /* * Issue 8 AUTO REFRESH commands. */ for (idx = 0; idx < 8; idx++) { - lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH; + out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_ARFRSH); asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr); + *sdram_addr2 = 0xff; + ppcDcbf((unsigned long) sdram_addr2); udelay(100); } /* * Issue 8 MODE-set command. */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW; + out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_MRW); asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr); + *sdram_addr2 = 0xff; + ppcDcbf((unsigned long) sdram_addr2); udelay(100); /* - * Issue NORMAL OP command. + * Issue RFEN command. */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL; + out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_RFEN); asm("sync;msync"); *sdram_addr = 0xff; ppcDcbf((unsigned long) sdram_addr); + *sdram_addr2 = 0xff; + ppcDcbf((unsigned long) sdram_addr2); udelay(200); /* Overkill. Must wait > 200 bus cycles */ #endif /* enable SDRAM init */ @@ -266,241 +235,64 @@ testdram(void) } #endif -#if !defined(CONFIG_SPD_EEPROM) -/************************************************************************* - * fixed_sdram init -- doesn't use serial presence detect. - * assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed. - ************************************************************************/ -long int fixed_sdram (void) -{ - #define CONFIG_SYS_DDR_CONTROL 0xc300c000 - - volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR); - - ddr->cs0_bnds = 0x0000007f; - ddr->cs1_bnds = 0x008000ff; - ddr->cs2_bnds = 0x00000000; - ddr->cs3_bnds = 0x00000000; - ddr->cs0_config = 0x80010101; - ddr->cs1_config = 0x80010101; - ddr->cs2_config = 0x00000000; - ddr->cs3_config = 0x00000000; - ddr->timing_cfg_3 = 0x00000000; - ddr->timing_cfg_0 = 0x00220802; - ddr->timing_cfg_1 = 0x38377322; - ddr->timing_cfg_2 = 0x0fa044C7; - ddr->sdram_cfg = 0x4300C000; - ddr->sdram_cfg_2 = 0x24401000; - ddr->sdram_mode = 0x23C00542; - ddr->sdram_mode_2 = 0x00000000; - ddr->sdram_interval = 0x05080100; - ddr->sdram_md_cntl = 0x00000000; - ddr->sdram_data_init = 0x00000000; - ddr->sdram_clk_cntl = 0x03800000; - asm("sync;isync;msync"); - udelay(500); - - #if defined (CONFIG_DDR_ECC) - /* Enable ECC checking */ - ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000); - #else - ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; - #endif - - return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; -} -#endif - -#if defined(CONFIG_PCI) || defined(CONFIG_PCI1) -/* For some reason the Tundra PCI bridge shows up on itself as a - * different device. Work around that by refusing to configure it. - */ -void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { } - -static struct pci_config_table pci_sbc8548_config_table[] = { - {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}}, - {0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}}, - {0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1, - mpc85xx_config_via_usbide, {0,0,0}}, - {0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2, - mpc85xx_config_via_usb, {0,0,0}}, - {0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3, - mpc85xx_config_via_usb2, {0,0,0}}, - {0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5, - mpc85xx_config_via_power, {0,0,0}}, - {0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6, - mpc85xx_config_via_ac97, {0,0,0}}, - {}, -}; - -static struct pci_controller pci1_hose = { - config_table: pci_sbc8548_config_table}; -#endif /* CONFIG_PCI */ - -#ifdef CONFIG_PCI2 -static struct pci_controller pci2_hose; -#endif /* CONFIG_PCI2 */ - -#ifdef CONFIG_PCIE1 -static struct pci_controller pcie1_hose; -#endif /* CONFIG_PCIE1 */ - -int first_free_busno=0; +#ifdef CONFIG_PCI1 +static struct pci_controller pci1_hose; +#endif /* CONFIG_PCI1 */ +#ifdef CONFIG_PCI void pci_init_board(void) { volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + int first_free_busno = 0; #ifdef CONFIG_PCI1 -{ - volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR; - struct pci_controller *hose = &pci1_hose; - struct pci_config_table *table; - struct pci_region *r = hose->regions; - - 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] */ - - uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6); - - uint pci_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */ - - if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) { - printf (" PCI: %d bit, %s MHz, %s, %s, %s\n", + struct fsl_pci_info pci_info; + u32 devdisr = in_be32(&gur->devdisr); + u32 pordevsr = in_be32(&gur->pordevsr); + u32 porpllsr = in_be32(&gur->porpllsr); + + if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { + uint pci_32 = pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; + uint pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; + uint pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; + uint pci_speed = CONFIG_SYS_CLK_FREQ; /* get_clock_freq() */ + + printf("PCI: Host, %d bit, %s MHz, %s, %s\n", (pci_32) ? 32 : 64, - (pci_speed == 33333000) ? "33" : - (pci_speed == 66666000) ? "66" : "unknown", + (pci_speed == 33000000) ? "33" : + (pci_speed == 66000000) ? "66" : "unknown", pci_clk_sel ? "sync" : "async", - pci_agent ? "agent" : "host", - pci_arb ? "arbiter" : "external-arbiter" - ); - - - /* inbound */ - r += fsl_pci_setup_inbound_windows(r); - - /* outbound memory */ - pci_set_region(r++, - CONFIG_SYS_PCI1_MEM_BASE, - CONFIG_SYS_PCI1_MEM_PHYS, - CONFIG_SYS_PCI1_MEM_SIZE, - PCI_REGION_MEM); - - /* outbound io */ - pci_set_region(r++, - CONFIG_SYS_PCI1_IO_BASE, - CONFIG_SYS_PCI1_IO_PHYS, - CONFIG_SYS_PCI1_IO_SIZE, - PCI_REGION_IO); - hose->region_count = r - hose->regions; - - /* relocate config table pointers */ - hose->config_table = \ - (struct pci_config_table *)((uint)hose->config_table + gd->reloc_off); - for (table = hose->config_table; table && table->vendor; table++) - table->config_device += gd->reloc_off; - - 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 on bus %02x - %02x\n",hose->first_busno,hose->last_busno); -#ifdef CONFIG_PCIX_CHECK - if (!(gur->pordevsr & MPC85xx_PORDEVSR_PCI1)) { - /* PCI-X init */ - if (CONFIG_SYS_CLK_FREQ < 66000000) - printf("PCI-X will only work at 66 MHz\n"); - - reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ - | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E; - pci_hose_write_config_word(hose, bus, PCIX_COMMAND, reg16); - } -#endif - } else { - printf (" PCI: disabled\n"); - } -} -#else - gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ -#endif + pci_arb ? "arbiter" : "external-arbiter"); -#ifdef CONFIG_PCI2 -{ - uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */ - uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */ - if (pci_dual) { - printf (" PCI2: 32 bit, 66 MHz, %s\n", - pci2_clk_sel ? "sync" : "async"); + SET_STD_PCI_INFO(pci_info, 1); + set_next_law(pci_info.mem_phys, + law_size_bits(pci_info.mem_size), pci_info.law); + set_next_law(pci_info.io_phys, + law_size_bits(pci_info.io_size), pci_info.law); + + first_free_busno = fsl_pci_init_port(&pci_info, + &pci1_hose, first_free_busno); } else { - printf (" PCI2: disabled\n"); + printf("PCI: disabled\n"); } -} -#else - gur->devdisr |= MPC85xx_DEVDISR_PCI2; /* disable */ -#endif /* CONFIG_PCI2 */ - -#ifdef CONFIG_PCIE1 -{ - volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR; - struct pci_controller *hose = &pcie1_hose; - int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3); - struct pci_region *r = hose->regions; - - int pcie_configured = io_sel >= 1; - - if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){ - printf ("\n PCIE 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(r++, - CONFIG_SYS_PCI_MEMORY_BUS, - CONFIG_SYS_PCI_MEMORY_PHYS, - CONFIG_SYS_PCI_MEMORY_SIZE, - PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - - /* outbound memory */ - pci_set_region(r++, - CONFIG_SYS_PCIE1_MEM_BASE, - CONFIG_SYS_PCIE1_MEM_PHYS, - CONFIG_SYS_PCIE1_MEM_SIZE, - PCI_REGION_MEM); - - /* outbound io */ - pci_set_region(r++, - CONFIG_SYS_PCIE1_IO_BASE, - CONFIG_SYS_PCIE1_IO_PHYS, - CONFIG_SYS_PCIE1_IO_SIZE, - PCI_REGION_IO); - - hose->region_count = r - hose->regions; - hose->first_busno=first_free_busno; - pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); - - fsl_pci_init(hose); - printf ("PCIE on bus %d - %d\n",hose->first_busno,hose->last_busno); + puts("\n"); +#else + setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */ +#endif - first_free_busno=hose->last_busno+1; + setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable PCI2 */ - } else { - printf (" PCIE: disabled\n"); - } - } -#else - gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ + fsl_pcie_init_board(first_free_busno); +} #endif +int board_eth_init(bd_t *bis) +{ + tsec_standard_init(bis); + pci_eth_init(bis); + return 0; /* otherwise cpu_eth_init gets run */ } int last_stage_init(void) @@ -512,11 +304,9 @@ int last_stage_init(void) 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_PCIE1 - ft_fsl_pci_setup(blob, "pci1", &pcie1_hose); + +#ifdef CONFIG_FSL_PCI_INIT + FT_FSL_PCI_SETUP; #endif } #endif