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  *
   7  * This work is licensed under the GNU GPL license version 2 or later.
   8  *
   9  */
  10
  11
  12 #include "hw.h"
  13 #include "hw/isa.h"
  14 #include "ppc440.h"
  15
  16 #define PPC440EP_PCI_CONFIG 0xeec00000
  17 #define PPC440EP_PCI_INTACK 0xeed00000
  18 #define PPC440EP_PCI_SPECIAL 0xeed00000
  19 #define PPC440EP_PCI_REGS 0xef400000
  20 #define PPC440EP_PCI_IO 0xe8000000
  21 #define PPC440EP_PCI_IOLEN 0x10000
  22 #define PPC440EP_PCI_MEM 0xa0000000
  23 #define PPC440EP_PCI_MEMLEN 0x20000000
  24
  25
  26 void ppc440ep_init(CPUState *env,
  27                 target_phys_addr_t ram_bases[2],
  28                 target_phys_addr_t ram_sizes[2],
  29                 qemu_irq **picp,
  30                 ppc4xx_pci_t **pcip,
  31                 int do_init)
  32 {
  33         ppc4xx_mmio_t *mmio;
  34         qemu_irq *pic, *irqs;
  35         ram_addr_t offset;
  36         ppc4xx_pci_t *pci;
  37         int i;
  38
  39         ppc_dcr_init(env, NULL, NULL);
  40
  41         /* mmio */
  42         printf("setup mmio\n");
  43         mmio = ppc4xx_mmio_init(env, 0xEF600000);
  44
  45         /* universal controller */
  46         printf("setup universal controller\n");
  47         irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
  48         irqs[PPCUIC_OUTPUT_INT] =
  49                 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
  50         irqs[PPCUIC_OUTPUT_CINT] =
  51                 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
  52         pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
  53         *picp = pic;
  54
  55         /* SDRAM controller */
  56         printf("trying to setup sdram controller\n");
  57         /* XXX 440EP's ECC interrupts are on UIC1 */
  58         ppc405_sdram_init(env, pic[14], 2, ram_bases, ram_sizes, do_init);
  59         offset = 0;
  60         for (i = 0; i < 2; i++)
  61                 offset += ram_sizes[i];
  62
  63         /* PCI */
  64         pci = ppc4xx_pci_init(env, pic,
  65                               PPC440EP_PCI_CONFIG,
  66                               PPC440EP_PCI_INTACK,
  67                               PPC440EP_PCI_SPECIAL,
  68                               PPC440EP_PCI_REGS);
  69         if (!pci)
  70                 printf("couldn't create PCI controller!\n");
  71         *pcip = pci;
  72
  73         isa_mmio_init(PPC440EP_PCI_IO, PPC440EP_PCI_IOLEN);
  74
  75         /* serial ports on page 126 of 440EP user manual */
  76         if (serial_hds[0]) {
  77                 printf("Initializing first serial port\n");
  78                 ppc405_serial_init(env, mmio,0x300, pic[0], serial_hds[0]);
  79         }
  80         if (serial_hds[1]) {
  81                 printf("Initializing 2nd serial port\n");
  82                 ppc405_serial_init(env, mmio,0x400, pic[1], serial_hds[1]);
  83         }
  84 }