| /* |
| * (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 <common.h> |
| #include <ppc4xx.h> |
| #include <ppc405.h> |
| #include <libfdt.h> |
| #include <asm/processor.h> |
| #include <asm/gpio.h> |
| #include <asm/io.h> |
| |
| #if defined(CONFIG_PCI) |
| #include <pci.h> |
| #include <asm/4xx_pcie.h> |
| #endif |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
| |
| /* |
| * Board early initialization function |
| */ |
| int board_early_init_f (void) |
| { |
| /*--------------------------------------------------------------------+ |
| | 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); |
| |
| /* Reset PCIe slots */ |
| gpio_write_bit(CFG_GPIO_PCIE_RST, 0); |
| udelay(100); |
| gpio_write_bit(CFG_GPIO_PCIE_RST, 1); |
| |
| 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: Makalu - 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) */ |
| |
| #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)) |
| ret = ppc4xx_init_pcie_endport(i); |
| else |
| ret = ppc4xx_init_pcie_rootport(i); |
| if (ret) { |
| printf("PCIE%d: initialization as %s failed\n", i, |
| is_end_point(i) ? "endpoint" : "root-complex"); |
| 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) */ |