hw/ppc440.c

   1 /*
   2  * Qemu PowerPC 440 board emualtion
   3  *
   4  * Copyright 2007 IBM Corporation.
   5  * Authors: Jerone Young <jyoung5@us.ibm.com>
   6  *          Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
   7  *
   8  * This work is licensed under the GNU GPL license version 2 or later.
   9  *
  10  */
  11
  12
  13 #include "hw.h"
  14 #include "hw/isa.h"
  15 #include "ppc440.h"
  16
  17 #define PPC440EP_PCI_CONFIG 0xeec00000
  18 #define PPC440EP_PCI_INTACK 0xeed00000
  19 #define PPC440EP_PCI_SPECIAL 0xeed00000
  20 #define PPC440EP_PCI_REGS 0xef400000
  21 #define PPC440EP_PCI_IO 0xe8000000
  22 #define PPC440EP_PCI_IOLEN 0x10000
  23 #define PPC440EP_PCI_MEM 0xa0000000
  24 #define PPC440EP_PCI_MEMLEN 0x20000000
  25
  26
  27 void ppc440ep_init(CPUState *env,
  28                 target_phys_addr_t ram_bases[PPC440_MAX_RAM_SLOTS],
  29                 target_phys_addr_t ram_sizes[PPC440_MAX_RAM_SLOTS],
  30                 int nbanks,
  31                 qemu_irq **picp,
  32                 ppc4xx_pci_t **pcip,
  33                 int do_init)
  34 {
  35         ppc4xx_mmio_t *mmio;
  36         qemu_irq *pic, *irqs;
  37         ppc4xx_pci_t *pci;
  38         int i;
  39
  40         ppc_dcr_init(env, NULL, NULL);
  41
  42         /* mmio */
  43         printf("setup mmio\n");
  44         mmio = ppc4xx_mmio_init(env, 0xEF600000);
  45
  46         /* universal controller */
  47         printf("setup universal controller\n");
  48         irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
  49         irqs[PPCUIC_OUTPUT_INT] =
  50                 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
  51         irqs[PPCUIC_OUTPUT_CINT] =
  52                 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
  53         pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
  54         *picp = pic;
  55
  56         /* SDRAM controller */
  57         printf("trying to setup sdram controller\n");
  58         /* XXX 440EP's ECC interrupts are on UIC1 */
  59         ppc405_sdram_init(env, pic[14], nbanks, ram_bases, ram_sizes, do_init);
  60
  61         /* PCI */
  62         pci = ppc4xx_pci_init(env, pic,
  63                               PPC440EP_PCI_CONFIG,
  64                               PPC440EP_PCI_INTACK,
  65                               PPC440EP_PCI_SPECIAL,
  66                               PPC440EP_PCI_REGS);
  67         if (!pci)
  68                 printf("couldn't create PCI controller!\n");
  69         *pcip = pci;
  70
  71         isa_mmio_init(PPC440EP_PCI_IO, PPC440EP_PCI_IOLEN);
  72
  73         /* serial ports on page 126 of 440EP user manual */
  74         if (serial_hds[0]) {
  75                 printf("Initializing first serial port\n");
  76                 ppc405_serial_init(env, mmio,0x300, pic[0], serial_hds[0]);
  77         }
  78         if (serial_hds[1]) {
  79                 printf("Initializing 2nd serial port\n");
  80                 ppc405_serial_init(env, mmio,0x400, pic[1], serial_hds[1]);
  81         }
  82 }