| /* |
| * (C) Copyright 2007-2008 |
| * 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 <i2c.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| #include <netdev.h> |
| #include <asm/processor.h> |
| #include <asm/io.h> |
| #include <asm/gpio.h> |
| #include <asm/4xx_pcie.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int board_early_init_f (void) |
| { |
| unsigned long mfr; |
| |
| /*----------------------------------------------------------------------+ |
| * Interrupt controller setup for the Katmai 440SPe 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 | IIC1 | High | Level | Non | |
| * IRQ 04 | PCI0X0 MSG IN | High | Level | Non | |
| * IRQ 05 | PCI0X0 CMD Write | High | Level | Non | |
| * IRQ 06 | PCI0X0 Power Mgt | High | Level | Non | |
| * IRQ 07 | PCI0X0 VPD Access | Rising| Edge | Non | |
| * IRQ 08 | PCI0X0 MSI level 0 | High | Lvl/ed| Non | |
| * IRQ 09 | External IRQ 15 - (PCI-Express) | pgm H | Pgm | Non | |
| * IRQ 10 | UIC2 Non-critical Int. | NA | NA | Non | |
| * IRQ 11 | UIC2 Critical Interrupt | NA | NA | Crit | |
| * IRQ 12 | PCI Express MSI Level 0 | Rising| Edge | Non | |
| * IRQ 13 | PCI Express MSI Level 1 | Rising| Edge | Non | |
| * IRQ 14 | PCI Express MSI Level 2 | Rising| Edge | Non | |
| * IRQ 15 | PCI Express MSI Level 3 | Rising| Edge | Non | |
| * IRQ 16 | UIC3 Non-critical Int. | NA | NA | Non | |
| * IRQ 17 | UIC3 Critical Interrupt | NA | NA | Crit | |
| * IRQ 18 | External IRQ 14 - (PCI-Express) | Pgm | Pgm | Non | |
| * IRQ 19 | DMA Channel 0 FIFO Full | High | Level | Non | |
| * IRQ 20 | DMA Channel 0 Stat FIFO | High | Level | Non | |
| * IRQ 21 | DMA Channel 1 FIFO Full | High | Level | Non | |
| * IRQ 22 | DMA Channel 1 Stat FIFO | High | Level | Non | |
| * IRQ 23 | I2O Inbound Doorbell | High | Level | Non | |
| * IRQ 24 | Inbound Post List FIFO Not Empt | High | Level | Non | |
| * IRQ 25 | I2O Region 0 LL PLB Write | High | Level | Non | |
| * IRQ 26 | I2O Region 1 LL PLB Write | High | Level | Non | |
| * IRQ 27 | I2O Region 0 HB PLB Write | High | Level | Non | |
| * IRQ 28 | I2O Region 1 HB PLB Write | High | Level | Non | |
| * IRQ 29 | GPT Down Count Timer | Rising| Edge | Non | |
| * IRQ 30 | UIC1 Non-critical Int. | NA | NA | Non | |
| * IRQ 31 | UIC1 Critical Interrupt | NA | NA | Crit. | |
| *------------------------------------------------------------------------ |
| * IRQ 32 | Ext. IRQ 13 - (PCI-Express) |pgm (H)|pgm/Lvl| Non | |
| * IRQ 33 | MAL Serr | High | Level | Non | |
| * IRQ 34 | MAL Txde | High | Level | Non | |
| * IRQ 35 | MAL Rxde | High | Level | Non | |
| * IRQ 36 | DMC CE or DMC UE | High | Level | Non | |
| * IRQ 37 | EBC or UART2 | High |Lvl Edg| Non | |
| * IRQ 38 | MAL TX EOB | High | Level | Non | |
| * IRQ 39 | MAL RX EOB | High | Level | Non | |
| * IRQ 40 | PCIX0 MSI Level 1 | High |Lvl Edg| Non | |
| * IRQ 41 | PCIX0 MSI level 2 | High |Lvl Edg| Non | |
| * IRQ 42 | PCIX0 MSI level 3 | High |Lvl Edg| Non | |
| * IRQ 43 | L2 Cache | Risin | Edge | Non | |
| * IRQ 44 | GPT Compare Timer 0 | Risin | Edge | Non | |
| * IRQ 45 | GPT Compare Timer 1 | Risin | Edge | Non | |
| * IRQ 46 | GPT Compare Timer 2 | Risin | Edge | Non | |
| * IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non | |
| * IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non | |
| * IRQ 49 | Ext. IRQ 12 - PCI-X |pgm/Fal|pgm/Lvl| Non | |
| * IRQ 50 | Ext. IRQ 11 - |pgm (H)|pgm/Lvl| Non | |
| * IRQ 51 | Ext. IRQ 10 - |pgm (H)|pgm/Lvl| Non | |
| * IRQ 52 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non | |
| * IRQ 53 | Ext. IRQ 8 |pgm (H)|pgm/Lvl| Non | |
| * IRQ 54 | DMA Error | High | Level | Non | |
| * IRQ 55 | DMA I2O Error | High | Level | Non | |
| * IRQ 56 | Serial ROM | High | Level | Non | |
| * IRQ 57 | PCIX0 Error | High | Edge | Non | |
| * IRQ 58 | Ext. IRQ 7- |pgm (H)|pgm/Lvl| Non | |
| * IRQ 59 | Ext. IRQ 6- |pgm (H)|pgm/Lvl| Non | |
| * IRQ 60 | EMAC0 Interrupt | High | Level | Non | |
| * IRQ 61 | EMAC0 Wake-up | High | Level | Non | |
| * IRQ 62 | Reserved | High | Level | Non | |
| * IRQ 63 | XOR | 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 | |
| *----------------------------------------------------------------------- |
| * IRQ 96 | PE0 INTA | High | Level | Non | |
| * IRQ 97 | PE0 INTB | High | Level | Non | |
| * IRQ 98 | PE0 INTC | High | Level | Non | |
| * IRQ 99 | PE0 INTD | High | Level | Non | |
| * IRQ 100 | PE1 INTA | High | Level | Non | |
| * IRQ 101 | PE1 INTB | High | Level | Non | |
| * IRQ 102 | PE1 INTC | High | Level | Non | |
| * IRQ 103 | PE1 INTD | High | Level | Non | |
| * IRQ 104 | PE2 INTA | High | Level | Non | |
| * IRQ 105 | PE2 INTB | High | Level | Non | |
| * IRQ 106 | PE2 INTC | High | Level | Non | |
| * IRQ 107 | PE2 INTD | Risin | Edge | Non | |
| * IRQ 108 | PCI Express MSI Level 4 | Risin | Edge | Non | |
| * IRQ 109 | PCI Express MSI Level 5 | Risin | Edge | Non | |
| * IRQ 110 | PCI Express MSI Level 6 | Risin | Edge | Non | |
| * IRQ 111 | PCI Express MSI Level 7 | Risin | Edge | Non | |
| * IRQ 116 | PCI Express MSI Level 12 | Risin | Edge | Non | |
| * IRQ 112 | PCI Express MSI Level 8 | Risin | Edge | Non | |
| * IRQ 113 | PCI Express MSI Level 9 | Risin | Edge | Non | |
| * IRQ 114 | PCI Express MSI Level 10 | Risin | Edge | Non | |
| * IRQ 115 | PCI Express MSI Level 11 | Risin | Edge | Non | |
| * IRQ 117 | PCI Express MSI Level 13 | Risin | Edge | Non | |
| * IRQ 118 | PCI Express MSI Level 14 | Risin | Edge | Non | |
| * IRQ 119 | PCI Express MSI Level 15 | Risin | Edge | Non | |
| * IRQ 120 | PCI Express MSI Level 16 | Risin | Edge | Non | |
| * IRQ 121 | PCI Express MSI Level 17 | Risin | Edge | Non | |
| * IRQ 122 | PCI Express MSI Level 18 | Risin | Edge | Non | |
| * IRQ 123 | PCI Express MSI Level 19 | Risin | Edge | Non | |
| * IRQ 124 | PCI Express MSI Level 20 | Risin | Edge | Non | |
| * IRQ 125 | PCI Express MSI Level 21 | Risin | Edge | Non | |
| * IRQ 126 | PCI Express MSI Level 22 | Risin | Edge | Non | |
| * IRQ 127 | PCI Express MSI Level 23 | Risin | Edge | Non | |
| *-----------+-----------------------------------+-------+-------+-------+ */ |
| /*-------------------------------------------------------------------------+ |
| * Put UICs in PowerPC440SPemode. |
| * 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 (uic3sr, 0xffffffff); /* Clear all interrupts */ |
| mtdcr (uic3er, 0x00000000); /* disable all interrupts */ |
| mtdcr (uic3cr, 0x00000000); /* Set Critical / Non Critical interrupts: */ |
| mtdcr (uic3pr, 0xffffffff); /* Set Interrupt Polarities*/ |
| mtdcr (uic3tr, 0x001fffff); /* Set Interrupt Trigger Levels */ |
| mtdcr (uic3vr, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ |
| mtdcr (uic3sr, 0x00000000); /* clear all interrupts*/ |
| mtdcr (uic3sr, 0xffffffff); /* clear all interrupts*/ |
| |
| |
| mtdcr (uic2sr, 0xffffffff); /* Clear all interrupts */ |
| mtdcr (uic2er, 0x00000000); /* disable all interrupts*/ |
| mtdcr (uic2cr, 0x00000000); /* Set Critical / Non Critical interrupts*/ |
| mtdcr (uic2pr, 0xebebebff); /* Set Interrupt Polarities*/ |
| mtdcr (uic2tr, 0x74747400); /* 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, 0xffffffff); /* Set Interrupt Polarities */ |
| mtdcr (uic1tr, 0x001f8040); /* 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, 0x00000000); /* disable all interrupts excepted cascade to be checked */ |
| mtdcr (uic0cr, 0x00104001); /* Set Critical / Non Critical interrupts*/ |
| mtdcr (uic0pr, 0xffffffff); /* Set Interrupt Polarities*/ |
| mtdcr (uic0tr, 0x010f0004); /* 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*/ |
| |
| mfsdr(sdr_mfr, mfr); |
| mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */ |
| mtsdr(sdr_mfr, mfr); |
| |
| mtsdr(SDR0_PFC0, CONFIG_SYS_PFC0); |
| |
| out32(GPIO0_OR, CONFIG_SYS_GPIO_OR); |
| out32(GPIO0_ODR, CONFIG_SYS_GPIO_ODR); |
| out32(GPIO0_TCR, CONFIG_SYS_GPIO_TCR); |
| |
| return 0; |
| } |
| |
| int checkboard (void) |
| { |
| char *s = getenv("serial#"); |
| |
| printf("Board: Katmai - AMCC 440SPe Evaluation Board"); |
| if (s != NULL) { |
| puts(", serial# "); |
| puts(s); |
| } |
| putc('\n'); |
| |
| return 0; |
| } |
| |
| /* |
| * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with |
| * board specific values. |
| */ |
| u32 ddr_wrdtr(u32 default_val) { |
| return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_180_DEG_ADV | 0x823); |
| } |
| |
| u32 ddr_clktr(u32 default_val) { |
| return (SDRAM_CLKTR_CLKP_90_DEG_ADV); |
| } |
| |
| /************************************************************************* |
| * 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 ) |
| { |
| unsigned long strap; |
| |
| /*-------------------------------------------------------------------+ |
| * The katmai board is always configured as the host & requires the |
| * PCI arbiter to be enabled. |
| *-------------------------------------------------------------------*/ |
| mfsdr(sdr_sdstp1, strap); |
| if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) { |
| printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap); |
| return 0; |
| } |
| |
| return 1; |
| } |
| #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(CONFIG_SYS_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, CONFIG_SYS_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, CONFIG_SYS_PCI_SUBSYS_VENDORID ); |
| out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID ); |
| |
| out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY ); |
| } |
| #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ |
| |
| #if defined(CONFIG_PCI) |
| /************************************************************************* |
| * is_pci_host |
| * |
| * This routine is called to determine if a pci scan should be |
| * performed. With various hardware environments (especially cPCI and |
| * PPMC) it's insufficient to depend on the state of the arbiter enable |
| * bit in the strap register, or generic host/adapter assumptions. |
| * |
| * Rather than hard-code a bad assumption in the general 440 code, the |
| * 440 pci code requires the board to decide at runtime. |
| * |
| * Return 0 for adapter mode, non-zero for host (monarch) mode. |
| * |
| * |
| ************************************************************************/ |
| int is_pci_host(struct pci_controller *hose) |
| { |
| /* The katmai board is always configured as host. */ |
| return 1; |
| } |
| |
| static int katmai_pcie_card_present(int port) |
| { |
| u32 val; |
| |
| val = in32(GPIO0_IR); |
| switch (port) { |
| case 0: |
| return !(val & GPIO_VAL(CONFIG_SYS_GPIO_PCIE_PRESENT0)); |
| case 1: |
| return !(val & GPIO_VAL(CONFIG_SYS_GPIO_PCIE_PRESENT1)); |
| case 2: |
| return !(val & GPIO_VAL(CONFIG_SYS_GPIO_PCIE_PRESENT2)); |
| default: |
| return 0; |
| } |
| } |
| |
| static struct pci_controller pcie_hose[3] = {{0},{0},{0}}; |
| |
| void pcie_setup_hoses(int busno) |
| { |
| struct pci_controller *hose; |
| int i, bus; |
| int ret = 0; |
| char *env; |
| unsigned int delay; |
| |
| /* |
| * assume we're called after the PCIX hose is initialized, which takes |
| * bus ID 0 and therefore start numbering PCIe's from 1. |
| */ |
| bus = busno; |
| for (i = 0; i <= 2; i++) { |
| /* Check for katmai card presence */ |
| if (!katmai_pcie_card_present(i)) |
| continue; |
| |
| 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, |
| CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE, |
| CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE, |
| CONFIG_SYS_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 /* defined(CONFIG_PCI) */ |
| |
| #ifdef 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 (ctrlc()); |
| } |
| #endif |
| |
| int board_eth_init(bd_t *bis) |
| { |
| cpu_eth_init(bis); |
| return pci_eth_init(bis); |
| } |
