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/*
* (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 <linux/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);
}
|
