src/soc/qualcomm/ipq806x/soc.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <device/device.h>
   5 #include <symbols.h>
   6 #include <soc/ipq_uart.h>
   7
   8 #define RESERVED_SIZE   0x01500000 /* 21 MiB */
   9
  10 static void soc_read_resources(struct device *dev)
  11 {
  12         /* Reserve bottom 21 MiB for NSS, SMEM, etc. */
  13         uintptr_t reserve_ram_end = (uintptr_t)_dram + RESERVED_SIZE;
  14         uint64_t ram_end = CONFIG_DRAM_SIZE_MB * (uint64_t)MiB;
  15
  16         reserved_ram_from_to(dev, 0, (uintptr_t)_dram, reserve_ram_end);
  17         ram_from_to(dev, 1, reserve_ram_end, ram_end);
  18 }
  19
  20 static void soc_init(struct device *dev)
  21 {
  22         /*
  23          * Do this in case console is not enabled: kernel's earlyprintk()
  24          * should work no matter what the firmware console configuration is.
  25          */
  26         ipq806x_uart_init();
  27
  28         printk(BIOS_INFO, "CPU: Qualcomm 8064\n");
  29 }
  30
  31 static struct device_operations soc_ops = {
  32         .read_resources = soc_read_resources,
  33         .init           = soc_init,
  34 };
  35
  36 static void enable_soc_dev(struct device *dev)
  37 {
  38         dev->ops = &soc_ops;
  39 }
  40
  41 struct chip_operations soc_qualcomm_ipq806x_ops = {
  42         .name = "SOC Qualcomm 8064",
  43         .enable_dev = enable_soc_dev,
  44 };