sdmmc: implement driver suitable for fs + bootloader

* sdmmc: begin skeletoning sdmmc driver

* sdmmc: add most of SdHostStandardController

* sdmmc: implement most of SdmmcController

* sdmmc: Sdmmc2Controller

* sdmmc: skeleton implementation of Sdmmc1Controller

* sdmmc: complete abstract logic for Sdmmc1 power controller

* sdmmc: implement gpio handling for sdmmc1-register-control

* sdmmc: implement pinmux handling for sdmmc1-register-control

* sdmmc: fix building for arm32 and in stratosphere context

* sdmmc: implement voltage enable/set for sdmmc1-register-control

* util: move T(V)SNPrintf from kernel to util

* sdmmc: implement BaseDeviceAccessor

* sdmmc: implement MmcDeviceAccessor

* sdmmc: implement clock reset controller for register api

* sdmmc: fix bug in WaitWhileCommandInhibit, add mmc accessors

* exo: add sdmmc test program

* sdmmc: fix speed mode extension, add CheckMmcConnection for debug

* sdmmc: add DeviceDetector, gpio: implement client api

* gpio: modernize client api instead of doing it the lazy way

* sdmmc: SdCardDeviceAccessor impl

* sdmmc: update test program to read first two sectors of sd card

* sdmmc: fix vref sel

* sdmmc: finish outward-facing api (untested)

* ams: changes for libvapours including tegra register defs

* sdmmc: remove hwinit

stratosphere/boot/source/gpio/gpio_initial_configuration.cpp

@@ -17,7 +17,7 @@
 #include "gpio_initial_configuration.hpp"
 #include "gpio_utils.hpp"
 
-namespace ams::gpio {
+namespace ams::boot::gpio {
 
     namespace {
 

stratosphere/boot/source/gpio/gpio_initial_configuration.hpp

@@ -18,7 +18,7 @@
 #include <switch.h>
 #include <stratosphere.hpp>
 
-namespace ams::gpio {
+namespace ams::boot::gpio {
 
     void SetInitialConfiguration();
 

stratosphere/boot/source/gpio/gpio_map.inc

@@ -14,7 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-constexpr u32 InvalidPadName = UINT32_MAX;
+constexpr u32 InvalidPadName = std::numeric_limits<u32>::max();
 
 constexpr u32 Map[] = {
     InvalidPadName,  /* Invalid */

stratosphere/boot/source/gpio/gpio_utils.cpp

@@ -16,7 +16,7 @@
 #include <stratosphere.hpp>
 #include "gpio_utils.hpp"
 
-namespace ams::gpio {
+namespace ams::boot::gpio {
 
     namespace {
 

stratosphere/boot/source/gpio/gpio_utils.hpp

@@ -18,7 +18,7 @@
 #include <switch.h>
 #include <stratosphere.hpp>
 
-namespace ams::gpio {
+namespace ams::boot::gpio {
 
     /* GPIO Utilities. */
     u32 Configure(u32 gpio_pad_name);