src/mainboard/amd/mandolin/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <amdblocks/acpi.h>
   4 #include <console/console.h>
   5 #include <device/device.h>
   6 #include <amdblocks/amd_pci_util.h>
   7 #include <FspsUpd.h>
   8 #include <soc/cpu.h>
   9 #include <soc/southbridge.h>
  10 #include <soc/pci_devs.h>
  11 #include <types.h>
  12 #include <commonlib/helpers.h>
  13 #include <soc/amd/picasso/chip.h>
  14 #include "gpio.h"
  15
  16 /* TODO: recheck IRQ tables */
  17
  18 /* The IRQ mapping in fch_irq_map ends up getting written to the indirect address space that is
  19    accessed via I/O ports 0xc00/0xc01. */
  20 static const struct fch_irq_routing fch_irq_map[] = {
  21         { PIRQ_A,       8,              16 },
  22         { PIRQ_B,       10,             17 },
  23         { PIRQ_C,       11,             18 },
  24         { PIRQ_D,       12,             19 },
  25         { PIRQ_SCI,     ACPI_SCI_IRQ,   ACPI_SCI_IRQ },
  26         { PIRQ_SD,      PIRQ_NC,        16 },
  27         { PIRQ_SDIO,    PIRQ_NC,        16 },
  28         { PIRQ_SATA,    PIRQ_NC,        19 },
  29         { PIRQ_EMMC,    PIRQ_NC,        17 },
  30         { PIRQ_GPIO,     7,              7 },
  31         { PIRQ_I2C2,     6,              6 },
  32         { PIRQ_I2C3,    14,             14 },
  33         { PIRQ_UART0,    4,              4 },
  34         { PIRQ_UART1,    3,              3 },
  35         { PIRQ_UART2,    4,              4 },
  36         { PIRQ_UART3,    3,              3 },
  37
  38         /* The MISC registers are not interrupt numbers */
  39         { PIRQ_MISC,    0xfa,           0x00 },
  40         { PIRQ_MISC0,   0x91,           0x00 },
  41         { PIRQ_MISC1,   0x00,           0x00 },
  42         { PIRQ_MISC2,   0x00,           0x00 },
  43 };
  44
  45 const struct fch_irq_routing *mb_get_fch_irq_mapping(size_t *length)
  46 {
  47         *length = ARRAY_SIZE(fch_irq_map);
  48         return fch_irq_map;
  49 }
  50
  51 static void mainboard_init(void *chip_info)
  52 {
  53         struct soc_amd_picasso_config *cfg = config_of_soc();
  54
  55         if (!CONFIG(MANDOLIN_LPC))
  56                 cfg->emmc_config.timing = SD_EMMC_EMMC_HS400;
  57
  58         mainboard_program_gpios();
  59
  60         /* Re-muxing LPCCLK0 can hang the system if LPC is in use. */
  61         if (CONFIG(MANDOLIN_LPC))
  62                 printk(BIOS_INFO, "eMMC not available due to LPC requirement\n");
  63         else
  64                 mainboard_program_emmc_gpios();
  65 }
  66
  67 struct chip_operations mainboard_ops = {
  68         .init = mainboard_init,
  69 };