--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/ppc4xx.h>
+#include <asm/ppc405.h>
+#include <libfdt.h>
+#include <asm/processor.h>
+#include <asm/ppc4xx-gpio.h>
+#include <asm/io.h>
+#include <fdt_support.h>
+#include <asm/errno.h>
+
+#if defined(CONFIG_PCI)
+#include <pci.h>
+#include <asm/4xx_pcie.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*
+ * 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);
+
+ /* Reset PCIe slots */
+ gpio_write_bit(CONFIG_SYS_GPIO_PCIE_RST, 0);
+ udelay(100);
+ gpio_write_bit(CONFIG_SYS_GPIO_PCIE_RST, 1);
+
+ /*
+ * Configure PFC (Pin Function Control) registers
+ * -> Enable USB
+ */
+ val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
+ mtsdr(SDR0_PFC1, val);
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_ENV_IS_IN_FLASH
+ /* Monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ -CONFIG_SYS_MONITOR_LEN,
+ 0xffffffff,
+ &flash_info[0]);
+#endif
+
+ return 0;
+}
+
+int checkboard (void)
+{
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
+
+ printf("Board: Makalu - AMCC PPC405EX Evaluation Board");
+
+ if (i > 0) {
+ puts(", serial# ");
+ puts(buf);
+ }
+ putc('\n');
+
+ return (0);
+}
Code Review / kvmfornfv.git / blobdiff