diff options
Diffstat (limited to 'src/mainboard/apple/macbookpro10_1/early_init.c')
| -rw-r--r-- | src/mainboard/apple/macbookpro10_1/early_init.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/mainboard/apple/macbookpro10_1/early_init.c b/src/mainboard/apple/macbookpro10_1/early_init.c new file mode 100644 index 0000000000..39596fd827 --- /dev/null +++ b/src/mainboard/apple/macbookpro10_1/early_init.c @@ -0,0 +1,105 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <device/pci_ops.h> +#include <northbridge/intel/sandybridge/sandybridge.h> +#include <northbridge/intel/sandybridge/raminit_native.h> +#include <southbridge/intel/bd82x6x/pch.h> +#include <drivers/apple/hybrid_graphics/hybrid_graphics.h> +#include <cbfs.h> +#include <southbridge/intel/common/gpio.h> + +const struct southbridge_usb_port mainboard_usb_ports[] = { + { 1, 0, 0 }, /* Ext A (XHCI/EHCI) */ + { 1, 0, 1 }, /* Ext B (XHCI) */ + { 1, 0, 2 }, /* Ext C (XHCI/EHCI) */ + { 1, 0, 3 }, /* Ext D (XHCI) */ + { 0, 0, -1 }, /* Unused */ + { 1, 0, -1 }, /* SD */ + { 1, 0, -1 }, /* Wi-Fi */ + { 1, 0, -1 }, /* USB Hub (All LS/FS Devices) */ + { 1, 0, -1 }, /* Camera */ + { 1, 0, 4 }, /* Ext B (EHCI) */ + { 1, 0, 5 }, /* Ext D (EHCI) */ + { 1, 0, -1 }, /* BT */ + { 0, 0, -1 }, /* Unused */ + { 0, 0, -1 }, /* Unused */ +}; + +void mainboard_early_init(int s3resume) +{ + bool igd, peg; + u32 reg32; + + early_hybrid_graphics(&igd, &peg); + + /* Hide disabled devices */ + reg32 = pci_read_config32(HOST_BRIDGE, DEVEN); + reg32 &= ~(DEVEN_PEG10 | DEVEN_IGD); + + if (peg) + reg32 |= DEVEN_PEG10; + + if (igd) { + reg32 |= DEVEN_IGD; + } else { + /* Disable IGD VGA decode, no GTT or GFX stolen */ + pci_write_config16(HOST_BRIDGE, GGC, 2); + } + + pci_write_config32(HOST_BRIDGE, DEVEN, reg32); +} + +static uint8_t *get_spd_data(int spd_index) +{ + uint8_t *spd_file; + size_t spd_file_len; + + printk(BIOS_DEBUG, "spd index %d\n", spd_index); + spd_file = cbfs_map("spd.bin", &spd_file_len); + if (!spd_file) + die("SPD data not found."); + + if (spd_file_len < spd_index * 256) + die("Missing SPD data."); + + return spd_file + spd_index * 256; +} + +void mainboard_get_spd(spd_raw_data *spd, bool id_only) +{ + uint8_t *memory; + const int spd_gpio_vector[] = {71, 70, 69, 68, -1}; + int ramcfg = get_gpios(spd_gpio_vector); + int spd_index = -1; + + /* + * GPIO68 GPIO69 GPIO70 GPIO71 Memory Supported + * 0 0 0 0 4G Hynix 1600S No + * 0 0 0 1 1G Samsung 1600 No + * 0 0 1 0 4G Samsung 1600S No + * 0 0 1 1 1G Hynix 1600 No + * 0 1 0 0 4G Elpida 1600S No + * 0 1 0 1 2G Samsung 1600 No + * 0 1 1 0 2G Samsung 1333 No + * 0 1 1 1 2G Hynix 1600 Yes + * 1 0 0 0 4G Samsung 1600 No + * 1 0 0 1 4G Hynix 1600 Yes + * 1 0 1 0 2G Elpida 1600S No + * 1 0 1 1 2G Elpida 1600 No + * 1 1 0 0 4G Elpida 1600 No + * 1 1 0 1 2G Samsung 1600S No + * 1 1 1 0 2G Hynix 1600S No + */ + + if (ramcfg == 7) + spd_index = 0; + else if (ramcfg == 9) + spd_index = 1; + + if (spd_index == -1) + die("Unsupported memory, RAMCFG=%d\n", ramcfg); + + memory = get_spd_data(spd_index); + memcpy(&spd[0], memory, 256); + memcpy(&spd[2], memory, 256); +} |