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authorJon Loeliger <jdl@freescale.com>2008-01-03 09:46:55 -0600
committerJon Loeliger <jdl@freescale.com>2008-01-03 09:46:55 -0600
commit2c3536425d987bf079258973e2acebaaef3e16b6 (patch)
tree659d06dd33eca4888e1f6d01d046507b76dc2d27 /board/amcc/makalu/makalu.c
parentf743931f9b4d4e15c9bdfe726bef033ea1f1402c (diff)
parentce37422d0002e10490e268392e0c4e3028e52cec (diff)
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diff --git a/board/amcc/makalu/makalu.c b/board/amcc/makalu/makalu.c
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+/*
+ * (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)
+{
+ 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(CFG_GPIO_PCIE_RST, 0);
+ udelay(100);
+ gpio_write_bit(CFG_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 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) */