/* * (C) Copyright 2007 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * 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 #include #include #include #include #include #if defined(CONFIG_PCI) #include #include #endif DECLARE_GLOBAL_DATA_PTR; extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ void fpga_init(void) { /* * Set FPGA regs */ out32(CFG_FPGA_BASE, 0xff570cc0); } /* * Board early initialization function */ int board_early_init_f (void) { u32 val; /*--------------------------------------------------------------------+ | Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board. +--------------------------------------------------------------------+ +---------------------------------------------------------------------+ |Interrupt| Source | Pol. | Sensi.| Crit. | +---------+-----------------------------------+-------+-------+-------+ | IRQ 00 | UART0 | High | Level | Non | | IRQ 01 | UART1 | High | Level | Non | | IRQ 02 | IIC0 | High | Level | Non | | IRQ 03 | TBD | High | Level | Non | | IRQ 04 | TBD | High | Level | Non | | IRQ 05 | EBM | High | Level | Non | | IRQ 06 | BGI | High | Level | Non | | IRQ 07 | IIC1 | Rising| Edge | Non | | IRQ 08 | SPI | High | Lvl/ed| Non | | IRQ 09 | External IRQ 0 - (PCI-Express) | pgm H | Pgm | Non | | IRQ 10 | MAL TX EOB | High | Level | Non | | IRQ 11 | MAL RX EOB | High | Level | Non | | IRQ 12 | DMA Channel 0 FIFO Full | High | Level | Non | | IRQ 13 | DMA Channel 0 Stat FIFO | High | Level | Non | | IRQ 14 | DMA Channel 1 FIFO Full | High | Level | Non | | IRQ 15 | DMA Channel 1 Stat FIFO | High | Level | Non | | IRQ 16 | PCIE0 AL | high | Level | Non | | IRQ 17 | PCIE0 VPD access | rising| Edge | Non | | IRQ 18 | PCIE0 hot reset request | rising| Edge | Non | | IRQ 19 | PCIE0 hot reset request | faling| Edge | Non | | IRQ 20 | PCIE0 TCR | High | Level | Non | | IRQ 21 | PCIE0 MSI level0 | High | Level | Non | | IRQ 22 | PCIE0 MSI level1 | High | Level | Non | | IRQ 23 | Security EIP-94 | High | Level | Non | | IRQ 24 | EMAC0 interrupt | High | Level | Non | | IRQ 25 | EMAC1 interrupt | High | Level | Non | | IRQ 26 | PCIE0 MSI level2 | High | Level | Non | | IRQ 27 | External IRQ 4 | pgm H | Pgm | Non | | IRQ 28 | UIC2 Non-critical Int. | High | Level | Non | | IRQ 29 | UIC2 Critical Interrupt | High | Level | Crit. | | IRQ 30 | UIC1 Non-critical Int. | High | Level | Non | | IRQ 31 | UIC1 Critical Interrupt | High | Level | Crit. | |---------------------------------------------------------------------- | IRQ 32 | MAL Serr | High | Level | Non | | IRQ 33 | MAL Txde | High | Level | Non | | IRQ 34 | MAL Rxde | High | Level | Non | | IRQ 35 | PCIE0 bus master VC0 |falling| Edge | Non | | IRQ 36 | PCIE0 DCR Error | High | Level | Non | | IRQ 37 | EBC | High |Lvl Edg| Non | | IRQ 38 | NDFC | High | Level | Non | | IRQ 39 | GPT Compare Timer 8 | Risin | Edge | Non | | IRQ 40 | GPT Compare Timer 9 | Risin | Edge | Non | | IRQ 41 | PCIE1 AL | high | Level | Non | | IRQ 42 | PCIE1 VPD access | rising| edge | Non | | IRQ 43 | PCIE1 hot reset request | rising| Edge | Non | | IRQ 44 | PCIE1 hot reset request | faling| Edge | Non | | IRQ 45 | PCIE1 TCR | High | Level | Non | | IRQ 46 | PCIE1 bus master VC0 |falling| Edge | Non | | IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non | | IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non | | IRQ 49 | Ext. IRQ 7 |pgm/Fal|pgm/Lvl| Non | | IRQ 50 | Ext. IRQ 8 - |pgm (H)|pgm/Lvl| Non | | IRQ 51 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non | | IRQ 52 | GPT Compare Timer 5 | high | Edge | Non | | IRQ 53 | GPT Compare Timer 6 | high | Edge | Non | | IRQ 54 | GPT Compare Timer 7 | high | Edge | Non | | IRQ 55 | Serial ROM | High | Level | Non | | IRQ 56 | GPT Decrement Pulse | High | Level | Non | | IRQ 57 | Ext. IRQ 2 |pgm/Fal|pgm/Lvl| Non | | IRQ 58 | Ext. IRQ 5 |pgm/Fal|pgm/Lvl| Non | | IRQ 59 | Ext. IRQ 6 |pgm/Fal|pgm/Lvl| Non | | IRQ 60 | EMAC0 Wake-up | High | Level | Non | | IRQ 61 | Ext. IRQ 1 |pgm/Fal|pgm/Lvl| Non | | IRQ 62 | EMAC1 Wake-up | High | Level | Non | |---------------------------------------------------------------------- | IRQ 64 | PE0 AL | High | Level | Non | | IRQ 65 | PE0 VPD Access | Risin | Edge | Non | | IRQ 66 | PE0 Hot Reset Request | Risin | Edge | Non | | IRQ 67 | PE0 Hot Reset Request | Falli | Edge | Non | | IRQ 68 | PE0 TCR | High | Level | Non | | IRQ 69 | PE0 BusMaster VCO | Falli | Edge | Non | | IRQ 70 | PE0 DCR Error | High | Level | Non | | IRQ 71 | Reserved | N/A | N/A | Non | | IRQ 72 | PE1 AL | High | Level | Non | | IRQ 73 | PE1 VPD Access | Risin | Edge | Non | | IRQ 74 | PE1 Hot Reset Request | Risin | Edge | Non | | IRQ 75 | PE1 Hot Reset Request | Falli | Edge | Non | | IRQ 76 | PE1 TCR | High | Level | Non | | IRQ 77 | PE1 BusMaster VCO | Falli | Edge | Non | | IRQ 78 | PE1 DCR Error | High | Level | Non | | IRQ 79 | Reserved | N/A | N/A | Non | | IRQ 80 | PE2 AL | High | Level | Non | | IRQ 81 | PE2 VPD Access | Risin | Edge | Non | | IRQ 82 | PE2 Hot Reset Request | Risin | Edge | Non | | IRQ 83 | PE2 Hot Reset Request | Falli | Edge | Non | | IRQ 84 | PE2 TCR | High | Level | Non | | IRQ 85 | PE2 BusMaster VCO | Falli | Edge | Non | | IRQ 86 | PE2 DCR Error | High | Level | Non | | IRQ 87 | Reserved | N/A | N/A | Non | | IRQ 88 | External IRQ(5) | Progr | Progr | Non | | IRQ 89 | External IRQ 4 - Ethernet | Progr | Progr | Non | | IRQ 90 | External IRQ 3 - PCI-X | Progr | Progr | Non | | IRQ 91 | External IRQ 2 - PCI-X | Progr | Progr | Non | | IRQ 92 | External IRQ 1 - PCI-X | Progr | Progr | Non | | IRQ 93 | External IRQ 0 - PCI-X | Progr | Progr | Non | | IRQ 94 | Reserved | N/A | N/A | Non | | IRQ 95 | Reserved | N/A | N/A | Non | |--------------------------------------------------------------------- +---------+-----------------------------------+-------+-------+------*/ /*--------------------------------------------------------------------+ | Initialise UIC registers. Clear all interrupts. Disable all | interrupts. | Set critical interrupt values. Set interrupt polarities. Set | interrupt trigger levels. Make bit 0 High priority. Clear all | interrupts again. +-------------------------------------------------------------------*/ mtdcr (uic2sr, 0xffffffff); /* Clear all interrupts */ mtdcr (uic2er, 0x00000000); /* disable all interrupts */ mtdcr (uic2cr, 0x00000000); /* Set Critical / Non Critical interrupts */ mtdcr (uic2pr, 0xf7ffffff); /* Set Interrupt Polarities */ mtdcr (uic2tr, 0x01e1fff8); /* Set Interrupt Trigger Levels */ mtdcr (uic2vr, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ mtdcr (uic2sr, 0x00000000); /* clear all interrupts */ mtdcr (uic2sr, 0xffffffff); /* clear all interrupts */ mtdcr (uic1sr, 0xffffffff); /* Clear all interrupts */ mtdcr (uic1er, 0x00000000); /* disable all interrupts */ mtdcr (uic1cr, 0x00000000); /* Set Critical / Non Critical interrupts */ mtdcr (uic1pr, 0xfffac785); /* Set Interrupt Polarities */ mtdcr (uic1tr, 0x001d0040); /* Set Interrupt Trigger Levels */ mtdcr (uic1vr, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ mtdcr (uic1sr, 0x00000000); /* clear all interrupts */ mtdcr (uic1sr, 0xffffffff); /* clear all interrupts */ mtdcr (uic0sr, 0xffffffff); /* Clear all interrupts */ mtdcr (uic0er, 0x0000000a); /* Disable all interrupts */ /* Except cascade UIC0 and UIC1 */ mtdcr (uic0cr, 0x00000000); /* Set Critical / Non Critical interrupts */ mtdcr (uic0pr, 0xffbfefef); /* Set Interrupt Polarities */ mtdcr (uic0tr, 0x00007000); /* Set Interrupt Trigger Levels */ mtdcr (uic0vr, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ mtdcr (uic0sr, 0x00000000); /* clear all interrupts */ mtdcr (uic0sr, 0xffffffff); /* clear all interrupts */ /* * Note: Some cores are still in reset when the chip starts, so * take them out of reset */ mtsdr(SDR0_SRST, 0); fpga_init(); /* Configure 405EX for NAND usage */ val = SDR0_CUST0_MUX_NDFC_SEL | SDR0_CUST0_NDFC_ENABLE | SDR0_CUST0_NDFC_BW_8_BIT | SDR0_CUST0_NRB_BUSY | (0x80000000 >> (28 + CFG_NAND_CS)); mtsdr(SDR0_CUST0, val); return 0; } int misc_init_r(void) { #ifdef CFG_ENV_IS_IN_FLASH /* Monitor protection ON by default */ flash_protect(FLAG_PROTECT_SET, -CFG_MONITOR_LEN, 0xffffffff, &flash_info[0]); #endif return 0; } int checkboard (void) { char *s = getenv("serial#"); printf("Board: Kilauea - AMCC PPC405EX Evaluation Board"); if (s != NULL) { puts(", serial# "); puts(s); } putc('\n'); return (0); } /************************************************************************* * pci_pre_init * * This routine is called just prior to registering the hose and gives * the board the opportunity to check things. Returning a value of zero * indicates that things are bad & PCI initialization should be aborted. * * Different boards may wish to customize the pci controller structure * (add regions, override default access routines, etc) or perform * certain pre-initialization actions. * ************************************************************************/ #if defined(CONFIG_PCI) int pci_pre_init(struct pci_controller * hose ) { return 0; } #endif /* defined(CONFIG_PCI) */ /************************************************************************* * pci_target_init * * The bootstrap configuration provides default settings for the pci * inbound map (PIM). But the bootstrap config choices are limited and * may not be sufficient for a given board. * ************************************************************************/ #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) void pci_target_init(struct pci_controller * hose ) { /*-------------------------------------------------------------------+ * Disable everything *-------------------------------------------------------------------*/ out32r( PCIX0_PIM0SA, 0 ); /* disable */ out32r( PCIX0_PIM1SA, 0 ); /* disable */ out32r( PCIX0_PIM2SA, 0 ); /* disable */ out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */ /*-------------------------------------------------------------------+ * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 * strapping options to not support sizes such as 128/256 MB. *-------------------------------------------------------------------*/ out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE ); out32r( PCIX0_PIM0LAH, 0 ); out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 ); out32r( PCIX0_BAR0, 0 ); /*-------------------------------------------------------------------+ * Program the board's subsystem id/vendor id *-------------------------------------------------------------------*/ out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID ); out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID ); out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY ); } #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */ #ifdef CONFIG_PCI static struct pci_controller pcie_hose[2] = {{0},{0}}; void pcie_setup_hoses(int busno) { struct pci_controller *hose; int i, bus; int ret = 0; bus = busno; char *env; unsigned int delay; for (i = 0; i < 2; i++) { if (is_end_point(i)) { printf("PCIE%d: will be configured as endpoint\n", i); ret = ppc4xx_init_pcie_endport(i); } else { printf("PCIE%d: will be configured as root-complex\n", i); ret = ppc4xx_init_pcie_rootport(i); } if (ret) { printf("PCIE%d: initialization failed\n", i); continue; } hose = &pcie_hose[i]; hose->first_busno = bus; hose->last_busno = bus; hose->current_busno = bus; /* setup mem resource */ pci_set_region(hose->regions + 0, CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE, CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE, CFG_PCIE_MEMSIZE, PCI_REGION_MEM); hose->region_count = 1; pci_register_hose(hose); if (is_end_point(i)) { ppc4xx_setup_pcie_endpoint(hose, i); /* * Reson for no scanning is endpoint can not generate * upstream configuration accesses. */ } else { ppc4xx_setup_pcie_rootpoint(hose, i); env = getenv ("pciscandelay"); if (env != NULL) { delay = simple_strtoul(env, NULL, 10); if (delay > 5) printf("Warning, expect noticable delay before " "PCIe scan due to 'pciscandelay' value!\n"); mdelay(delay * 1000); } /* * Config access can only go down stream */ hose->last_busno = pci_hose_scan(hose); bus = hose->last_busno + 1; } } } #endif #if defined(CONFIG_POST) /* * Returns 1 if keys pressed to start the power-on long-running tests * Called from board_init_f(). */ int post_hotkeys_pressed(void) { return 0; /* No hotkeys supported */ } #endif /* CONFIG_POST */ #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) { u32 val[4]; int rc; ft_cpu_setup(blob, bd); /* Fixup NOR mapping */ val[0] = 0; /* chip select number */ val[1] = 0; /* always 0 */ val[2] = gd->bd->bi_flashstart; val[3] = gd->bd->bi_flashsize; rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges", val, sizeof(val), 1); if (rc) printf("Unable to update property NOR mapping, err=%s\n", fdt_strerror(rc)); } #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */