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Atmosphere/stratosphere/boot/source/boot_main.cpp
Luke Street 96391ffca6 boot: Use fsdevMountSdmc & fsdevUnmountAll
2018-05-09 12:07:53 -04:00

543 lines
21 KiB
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#include <cstdlib>
#include <cstdint>
#include <cstring>
#include <malloc.h>
#include <switch.h>
#include <stratosphere.hpp>
#define GPIO_BASE 0x6000D000
#define APB_MISC_BASE 0x70000000
#define PINMUX_BASE (APB_MISC_BASE + 0x3000)
#define PMC_BASE 0x7000E400
#define MAX_GPIOS 0x3D
#define MAX_PINMUX 0xA2
extern "C" {
extern u32 __start__;
u32 __nx_applet_type = AppletType_None;
#define INNER_HEAP_SIZE 0x200000
size_t nx_inner_heap_size = INNER_HEAP_SIZE;
char nx_inner_heap[INNER_HEAP_SIZE];
void __libnx_initheap(void);
void __appInit(void);
void __appExit(void);
}
void __libnx_initheap(void) {
void* addr = nx_inner_heap;
size_t size = nx_inner_heap_size;
/* Newlib */
extern char* fake_heap_start;
extern char* fake_heap_end;
fake_heap_start = (char*)addr;
fake_heap_end = (char*)addr + size;
}
void __appInit(void) {
Result rc;
/* Initialize services we need (TODO: NCM) */
rc = smInitialize();
if (R_FAILED(rc))
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_SM));
rc = fsInitialize();
if (R_FAILED(rc))
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_FS));
rc = splInitialize();
if (R_FAILED(rc))
fatalSimple(0xCAFE << 4 | 1);
rc = pmshellInitialize();
if (R_FAILED(rc))
fatalSimple(0xCAFE << 4 | 2);
fsdevMountSdmc();
}
void __appExit(void) {
/* Cleanup services. */
fsdevUnmountAll();
pmshellExit();
splExit();
fsExit();
smExit();
}
static const std::tuple<u32, bool, bool> g_gpio_map[] = {
/* Icosa, Copper, Hoag and Mariko */
{0xFFFFFFFF, false, false}, /* Invalid */
{0x000000CC, true, false}, /* Port Z, Pin 4 */
{0x00000024, true, false}, /* Port E, Pin 4 */
{0x0000003C, true, false}, /* Port H, Pin 4 */
{0x000000DA, false, true}, /* Port BB, Pin 2 */
{0x000000DB, true, false}, /* Port BB, Pin 3 */
{0x000000DC, false, false}, /* Port BB, Pin 4 */
{0x00000025, true, false}, /* Port E, Pin 5 */
{0x00000090, false, false}, /* Port S, Pin 0 */
{0x00000091, false, false}, /* Port S, Pin 1 */
{0x00000096, true, false}, /* Port S, Pin 6 */
{0x00000097, false, true}, /* Port S, Pin 7 */
{0x00000026, false, false}, /* Port E, Pin 6 */
{0x00000005, true, false}, /* Port A, Pin 5 */
{0x00000078, false, false}, /* Port P, Pin 0 */
{0x00000093, false, true}, /* Port S, Pin 3 */
{0x0000007D, false, false}, /* Port P, Pin 5 */
{0x0000007C, false, false}, /* Port P, Pin 4 */
{0x0000007B, false, false}, /* Port P, Pin 3 */
{0x0000007A, false, false}, /* Port P, Pin 2 */
{0x000000BC, false, true}, /* Port X, Pin 4 */
{0x000000AE, false, false}, /* Port V, Pin 6 */
{0x000000BA, false, false}, /* Port X, Pin 2 */
{0x000000B9, false, true}, /* Port X, Pin 1 */
{0x000000BD, false, false}, /* Port X, Pin 5 */
{0x000000BE, false, true}, /* Port X, Pin 6 */
{0x000000BF, false, true}, /* Port X, Pin 7 */
{0x000000C0, false, true}, /* Port Y, Pin 0 */
{0x000000C1, false, false}, /* Port Y, Pin 1 */
{0x000000A9, true, false}, /* Port V, Pin 1 */
{0x000000AA, true, false}, /* Port V, Pin 2 */
{0x00000055, true, false}, /* Port K, Pin 5 */
{0x000000AD, true, false}, /* Port V, Pin 5 */
{0x000000C8, false, true}, /* Port Z, Pin 0 */
{0x000000CA, false, false}, /* Port Z, Pin 2 */
{0x000000CB, false, true}, /* Port Z, Pin 3 */
{0x0000004F, true, false}, /* Port J, Pin 7 */
{0x00000050, false, false}, /* Port K, Pin 0 */
{0x00000051, false, false}, /* Port K, Pin 1 */
{0x00000052, false, false}, /* Port K, Pin 2 */
{0x00000054, false, true}, /* Port K, Pin 4 */
{0x00000056, false, true}, /* Port K, Pin 6 */
{0x00000057, false, true}, /* Port K, Pin 7 */
{0x00000053, true, false}, /* Port K, Pin 3 */
{0x000000E3, true, false}, /* Port CC, Pin 3 */
{0x00000038, true, false}, /* Port H, Pin 0 */
{0x00000039, true, false}, /* Port H, Pin 1 */
{0x0000003B, true, false}, /* Port H, Pin 3 */
{0x0000003D, false, false}, /* Port H, Pin 5 */
{0x0000003F, true, false}, /* Port H, Pin 7 */
{0x00000040, true, false}, /* Port I, Pin 0 */
{0x00000041, true, false}, /* Port I, Pin 1 */
{0x0000003E, false, false}, /* Port H, Pin 6 */
{0x000000E2, false, true}, /* Port CC, Pin 2 */
{0x000000E4, true, false}, /* Port CC, Pin 4 */
{0x0000003A, false, false}, /* Port H, Pin 2 */
{0x000000C9, false, true}, /* Port Z, Pin 1 */
{0x0000004D, true, false}, /* Port J, Pin 5 */
{0x00000058, true, false}, /* Port L, Pin 0 */
{0x0000003E, false, false}, /* Port H, Pin 6 */
{0x00000026, false, false}, /* Port E, Pin 6 */
/* Copper only */
{0xFFFFFFFF, false, false}, /* Invalid */
{0x00000033, false, false}, /* Port G, Pin 3 */
{0x0000001C, false, false}, /* Port D, Pin 4 */
{0x000000D9, true, false}, /* Port BB, Pin 1 */
{0x0000000C, false, false}, /* Port B, Pin 4 */
{0x0000000D, false, false}, /* Port B, Pin 5 */
{0x00000021, true, false}, /* Port E, Pin 1 */
{0x00000027, false, false}, /* Port E, Pin 7 */
{0x00000092, false, false}, /* Port S, Pin 2 */
{0x00000095, true, false}, /* Port S, Pin 5 */
{0x00000098, true, false}, /* Port T, Pin 0 */
{0x00000010, true, false}, /* Port C, Pin 0 */
{0x00000011, true, false}, /* Port C, Pin 1 */
{0x00000012, true, false}, /* Port C, Pin 2 */
{0x00000042, true, false}, /* Port I, Pin 2 */
{0x000000E6, false, false}, /* Port CC, Pin 6 */
/* 2.0.0+ Copper only */
{0x000000AC, true, false}, /* Port V, Pin 4 */
{0x000000E1, false, false}, /* Port CC, Pin 1 */
/* 5.0.0+ Copper only (unused) */
{0x00000056, false, false}, /* Port K, Pin 6 */
};
static int gpio_configure(u64 gpio_base_vaddr, unsigned int gpio_pad_name) {
/* Fetch this GPIO's pad descriptor */
u32 gpio_pad_desc = std::get<0>(g_gpio_map[gpio_pad_name]);
/* Convert the GPIO pad descriptor into its register offset */
u32 gpio_reg_offset = (((gpio_pad_desc << 0x03) & 0xFFFFFF00) | ((gpio_pad_desc >> 0x01) & 0x0C));
/* Extract the bit and lock values from the GPIO pad descriptor */
u32 gpio_cnf_val = ((0x01 << ((gpio_pad_desc & 0x07) | 0x08)) | (0x01 << (gpio_pad_desc & 0x07)));
/* Write to the appropriate GPIO_CNF_x register (upper offset) */
*((u32 *)gpio_base_vaddr + gpio_reg_offset + 0x80) = gpio_cnf_val;
/* Do a dummy read from GPIO_CNF_x register (lower offset) */
gpio_cnf_val = *((u32 *)gpio_base_vaddr + gpio_reg_offset);
return gpio_cnf_val;
}
static int gpio_set_direction(u64 gpio_base_vaddr, unsigned int gpio_pad_name) {
/* Fetch this GPIO's pad descriptor */
u32 gpio_pad_desc = std::get<0>(g_gpio_map[gpio_pad_name]);
/* Fetch this GPIO's direction */
bool is_out = std::get<1>(g_gpio_map[gpio_pad_name]);
/* Convert the GPIO pad descriptor into its register offset */
u32 gpio_reg_offset = (((gpio_pad_desc << 0x03) & 0xFFFFFF00) | ((gpio_pad_desc >> 0x01) & 0x0C));
/* Set the direction bit and lock values */
u32 gpio_oe_val = ((0x01 << ((gpio_pad_desc & 0x07) | 0x08)) | (is_out << (gpio_pad_desc & 0x07)));
/* Write to the appropriate GPIO_OE_x register (upper offset) */
*((u32 *)gpio_base_vaddr + gpio_reg_offset + 0x90) = gpio_oe_val;
/* Do a dummy read from GPIO_OE_x register (lower offset) */
gpio_oe_val = *((u32 *)gpio_base_vaddr + gpio_reg_offset);
return gpio_oe_val;
}
static int gpio_set_value(u64 gpio_base_vaddr, unsigned int gpio_pad_name) {
/* Fetch this GPIO's pad descriptor */
u32 gpio_pad_desc = std::get<0>(g_gpio_map[gpio_pad_name]);
/* Fetch this GPIO's output value */
bool is_high = std::get<2>(g_gpio_map[gpio_pad_name]);
/* Convert the GPIO pad descriptor into its register offset */
u32 gpio_reg_offset = (((gpio_pad_desc << 0x03) & 0xFFFFFF00) | ((gpio_pad_desc >> 0x01) & 0x0C));
/* Set the output bit and lock values */
u32 gpio_out_val = ((0x01 << ((gpio_pad_desc & 0x07) | 0x08)) | (is_high << (gpio_pad_desc & 0x07)));
/* Write to the appropriate GPIO_OUT_x register (upper offset) */
*((u32 *)gpio_base_vaddr + gpio_reg_offset + 0xA0) = gpio_out_val;
/* Do a dummy read from GPIO_OUT_x register (lower offset) */
gpio_out_val = *((u32 *)gpio_base_vaddr + gpio_reg_offset);
return gpio_out_val;
}
static const std::tuple<u32, u32, u8> g_pinmux_map[] = {
{0x00003000, 0x72FF, 0x01}, /* Sdmmc1Clk */
{0x00003004, 0x72FF, 0x02}, /* Sdmmc1Cmd */
{0x00003008, 0x72FF, 0x02}, /* Sdmmc1Dat3 */
{0x0000300C, 0x72FF, 0x02}, /* Sdmmc1Dat2 */
{0x00003010, 0x72FF, 0x02}, /* Sdmmc1Dat1 */
{0x00003014, 0x72FF, 0x01}, /* Sdmmc1Dat0 */
{0x0000301C, 0x72FF, 0x01}, /* Sdmmc3Clk */
{0x00003020, 0x72FF, 0x01}, /* Sdmmc3Cmd */
{0x00003024, 0x72FF, 0x01}, /* Sdmmc3Dat0 */
{0x00003028, 0x72FF, 0x01}, /* Sdmmc3Dat1 */
{0x0000302C, 0x72FF, 0x01}, /* Sdmmc3Dat2 */
{0x00003030, 0x72FF, 0x01}, /* Sdmmc3Dat3 */
{0x00003038, 0x1DFF, 0x01}, /* PexL0RstN */
{0x0000303C, 0x1DFF, 0x01}, /* PexL0ClkreqN */
{0x00003040, 0x1DFF, 0x01}, /* PexWakeN */
{0x00003044, 0x1DFF, 0x01}, /* PexL1RstN */
{0x00003048, 0x1DFF, 0x01}, /* PexL1ClkreqN */
{0x0000304C, 0x19FF, 0x01}, /* SataLedActive */
{0x00003050, 0x1F2FF, 0x01}, /* Spi1Mosi */
{0x00003054, 0x1F2FF, 0x01}, /* Spi1Miso */
{0x00003058, 0x1F2FF, 0x01}, /* Spi1Sck */
{0x0000305C, 0x1F2FF, 0x01}, /* Spi1Cs0 */
{0x00003060, 0x1F2FF, 0x01}, /* Spi1Cs1 */
{0x00003064, 0x72FF, 0x02}, /* Spi2Mosi */
{0x00003068, 0x72FF, 0x02}, /* Spi2Miso */
{0x0000306C, 0x72FF, 0x02}, /* Spi2Sck */
{0x00003070, 0x72FF, 0x02}, /* Spi2Cs0 */
{0x00003074, 0x72FF, 0x01}, /* Spi2Cs1 */
{0x00003078, 0x1F2FF, 0x01}, /* Spi4Mosi */
{0x0000307C, 0x1F2FF, 0x01}, /* Spi4Miso */
{0x00003080, 0x1F2FF, 0x01}, /* Spi4Sck */
{0x00003084, 0x1F2FF, 0x01}, /* Spi4Cs0 */
{0x00003088, 0x72FF, 0x01}, /* QspiSck */
{0x0000308C, 0x72FF, 0x01}, /* QspiCsN */
{0x00003090, 0x72FF, 0x01}, /* QspiIo0 */
{0x00003094, 0x72FF, 0x01}, /* QspiIo1 */
{0x00003098, 0x72FF, 0x01}, /* QspiIo2 */
{0x0000309C, 0x72FF, 0x01}, /* QspiIo3 */
{0x000030A4, 0x19FF, 0x02}, /* Dmic1Clk */
{0x000030A8, 0x19FF, 0x02}, /* Dmic1Dat */
{0x000030AC, 0x19FF, 0x02}, /* Dmic2Clk */
{0x000030B0, 0x19FF, 0x02}, /* Dmic2Dat */
{0x000030B4, 0x19FF, 0x02}, /* Dmic3Clk */
{0x000030B8, 0x19FF, 0x02}, /* Dmic3Dat */
{0x000030BC, 0x1DFF, 0x01}, /* Gen1I2cScl */
{0x000030C0, 0x1DFF, 0x01}, /* Gen1I2cSda */
{0x000030C4, 0x1DFF, 0x01}, /* Gen2I2cScl */
{0x000030C8, 0x1DFF, 0x01}, /* Gen2I2cSda */
{0x000030CC, 0x1DFF, 0x01}, /* Gen3I2cScl */
{0x000030D0, 0x1DFF, 0x01}, /* Gen3I2cSda */
{0x000030D4, 0x1DFF, 0x02}, /* CamI2cScl */
{0x000030D8, 0x1DFF, 0x02}, /* CamI2cSda */
{0x000030DC, 0x1DFF, 0x01}, /* PwrI2cScl */
{0x000030E0, 0x1DFF, 0x01}, /* PwrI2cSda */
{0x000030E4, 0x19FF, 0x01}, /* Uart1Tx */
{0x000030E8, 0x19FF, 0x01}, /* Uart1Rx */
{0x000030EC, 0x19FF, 0x01}, /* Uart1Rts */
{0x000030F0, 0x19FF, 0x01}, /* Uart1Cts */
{0x000030F4, 0x19FF, 0x00}, /* Uart2Tx */
{0x000030F8, 0x19FF, 0x00}, /* Uart2Rx */
{0x000030FC, 0x19FF, 0x02}, /* Uart2Rts */
{0x00003100, 0x19FF, 0x02}, /* Uart2Cts */
{0x00003104, 0x19FF, 0x02}, /* Uart3Tx */
{0x00003108, 0x19FF, 0x02}, /* Uart3Rx */
{0x0000310C, 0x19FF, 0x02}, /* Uart3Rts */
{0x00003110, 0x19FF, 0x02}, /* Uart3Cts */
{0x00003114, 0x19FF, 0x02}, /* Uart4Tx */
{0x00003118, 0x19FF, 0x02}, /* Uart4Rx */
{0x0000311C, 0x19FF, 0x02}, /* Uart4Rts */
{0x00003120, 0x19FF, 0x02}, /* Uart4Cts */
{0x00003124, 0x72FF, 0x01}, /* Dap1Fs */
{0x00003128, 0x72FF, 0x01}, /* Dap1Din */
{0x0000312C, 0x72FF, 0x01}, /* Dap1Dout */
{0x00003130, 0x72FF, 0x01}, /* Dap1Sclk */
{0x00003134, 0x72FF, 0x01}, /* Dap2Fs */
{0x00003138, 0x72FF, 0x01}, /* Dap2Din */
{0x0000313C, 0x72FF, 0x01}, /* Dap2Dout */
{0x00003140, 0x72FF, 0x01}, /* Dap2Sclk */
{0x00003144, 0x72FF, 0x01}, /* Dap4Fs */
{0x00003148, 0x72FF, 0x01}, /* Dap4Din */
{0x0000314C, 0x72FF, 0x01}, /* Dap4Dout */
{0x00003150, 0x72FF, 0x01}, /* Dap4Sclk */
{0x00003154, 0x72FF, 0x01}, /* Cam1Mclk */
{0x00003158, 0x72FF, 0x01}, /* Cam2Mclk */
{0x0000315C, 0x72FF, 0x01}, /* JtagRtck */
{0x00003160, 0x118C, 0xFF}, /* Clk32kIn */
{0x00003164, 0x72FF, 0x02}, /* Clk32kOut */
{0x00003168, 0x1DFF, 0x01}, /* BattBcl */
{0x0000316C, 0x11CC, 0xFF}, /* ClkReq */
{0x00003170, 0x11CC, 0xFF}, /* CpuPwrReq */
{0x00003174, 0x11CC, 0xFF}, /* PwrIntN */
{0x00003178, 0x11CC, 0xFF}, /* Shutdown */
{0x0000317C, 0x11CC, 0xFF}, /* CorePwrReq */
{0x00003180, 0x19FF, 0x01}, /* AudMclk */
{0x00003184, 0x19FF, 0x00}, /* DvfsPwm */
{0x00003188, 0x19FF, 0x00}, /* DvfsClk */
{0x0000318C, 0x19FF, 0x00}, /* GpioX1Aud */
{0x00003190, 0x19FF, 0x00}, /* GpioX3Aud */
{0x00003194, 0x1DFF, 0x00}, /* GpioPcc7 */
{0x00003198, 0x1DFF, 0x01}, /* HdmiCec */
{0x0000319C, 0x1DFF, 0x01}, /* HdmiIntDpHpd */
{0x000031A0, 0x19FF, 0x01}, /* SpdifOut */
{0x000031A4, 0x19FF, 0x01}, /* SpdifIn */
{0x000031A8, 0x1DFF, 0x01}, /* UsbVbusEn0 */
{0x000031AC, 0x1DFF, 0x01}, /* UsbVbusEn1 */
{0x000031B0, 0x19FF, 0x01}, /* DpHpd0 */
{0x000031B4, 0x19FF, 0x00}, /* WifiEn */
{0x000031B8, 0x19FF, 0x00}, /* WifiRst */
{0x000031BC, 0x19FF, 0x00}, /* WifiWakeAp */
{0x000031C0, 0x19FF, 0x00}, /* ApWakeBt */
{0x000031C4, 0x19FF, 0x00}, /* BtRst */
{0x000031C8, 0x19FF, 0x00}, /* BtWakeAp */
{0x000031CC, 0x19FF, 0x00}, /* ApWakeNfc */
{0x000031D0, 0x19FF, 0x00}, /* NfcEn */
{0x000031D4, 0x19FF, 0x00}, /* NfcInt */
{0x000031D8, 0x19FF, 0x00}, /* GpsEn */
{0x000031DC, 0x19FF, 0x00}, /* GpsRst */
{0x000031E0, 0x19FF, 0x01}, /* CamRst */
{0x000031E4, 0x19FF, 0x02}, /* CamAfEn */
{0x000031E8, 0x19FF, 0x02}, /* CamFlashEn */
{0x000031EC, 0x19FF, 0x01}, /* Cam1Pwdn */
{0x000031F0, 0x19FF, 0x01}, /* Cam2Pwdn */
{0x000031F4, 0x19FF, 0x01}, /* Cam1Strobe */
{0x000031F8, 0x19FF, 0x01}, /* LcdTe */
{0x000031FC, 0x19FF, 0x03}, /* LcdBlPwm */
{0x00003200, 0x19FF, 0x00}, /* LcdBlEn */
{0x00003204, 0x19FF, 0x00}, /* LcdRst */
{0x00003208, 0x19FF, 0x01}, /* LcdGpio1 */
{0x0000320C, 0x19FF, 0x02}, /* LcdGpio2 */
{0x00003210, 0x19FF, 0x00}, /* ApReady */
{0x00003214, 0x19FF, 0x00}, /* TouchRst */
{0x00003218, 0x19FF, 0x01}, /* TouchClk */
{0x0000321C, 0x19FF, 0x00}, /* ModemWakeAp */
{0x00003220, 0x19FF, 0x00}, /* TouchInt */
{0x00003224, 0x19FF, 0x00}, /* MotionInt */
{0x00003228, 0x19FF, 0x00}, /* AlsProxInt */
{0x0000322C, 0x19FF, 0x00}, /* TempAlert */
{0x00003230, 0x19FF, 0x00}, /* ButtonPowerOn */
{0x00003234, 0x19FF, 0x00}, /* ButtonVolUp */
{0x00003238, 0x19FF, 0x00}, /* ButtonVolDown */
{0x0000323C, 0x19FF, 0x00}, /* ButtonSlideSw */
{0x00003240, 0x19FF, 0x00}, /* ButtonHome */
{0x00003244, 0x19FF, 0x01}, /* GpioPa6 */
{0x00003248, 0x19FF, 0x00}, /* GpioPe6 */
{0x0000324C, 0x19FF, 0x00}, /* GpioPe7 */
{0x00003250, 0x19FF, 0x00}, /* GpioPh6 */
{0x00003254, 0x72FF, 0x02}, /* GpioPk0 */
{0x00003258, 0x72FF, 0x02}, /* GpioPk1 */
{0x0000325C, 0x72FF, 0x02}, /* GpioPk2 */
{0x00003260, 0x72FF, 0x02}, /* GpioPk3 */
{0x00003264, 0x72FF, 0x01}, /* GpioPk4 */
{0x00003268, 0x72FF, 0x01}, /* GpioPk5 */
{0x0000326C, 0x72FF, 0x01}, /* GpioPk6 */
{0x00003270, 0x72FF, 0x01}, /* GpioPk7 */
{0x00003274, 0x72FF, 0x00}, /* GpioPl0 */
{0x00003278, 0x72FF, 0x01}, /* GpioPl1 */
{0x0000327C, 0x72FF, 0x01}, /* GpioPz0 */
{0x00003280, 0x72FF, 0x02}, /* GpioPz1 */
{0x00003284, 0x72FF, 0x02}, /* GpioPz2 */
{0x00003288, 0x72FF, 0x01}, /* GpioPz3 */
{0x0000328C, 0x72FF, 0x01}, /* GpioPz4 */
{0x00003290, 0x72FF, 0x01}, /* GpioPz5 */
};
static int pinmux_update_park(u64 pinmux_base_vaddr, unsigned int pinmux_idx) {
/* Fetch this PINMUX's register offset */
u32 pinmux_reg_offset = std::get<0>(g_pinmux_map[pinmux_idx]);
/* Fetch this PINMUX's mask value */
u32 pinmux_mask_val = std::get<1>(g_pinmux_map[pinmux_idx]);
/* Read from the PINMUX register */
u32 pinmux_val = *((u32 *)pinmux_base_vaddr + pinmux_reg_offset);
/* This PINMUX supports park change */
if (pinmux_mask_val & 0x20) {
/* Clear park status if set */
if (pinmux_val & 0x20) {
pinmux_val &= ~(0x20);
}
}
/* Write to the appropriate PINMUX register */
*((u32 *)pinmux_base_vaddr + pinmux_reg_offset) = pinmux_val;
/* Do a dummy read from the PINMUX register */
pinmux_val = *((u32 *)pinmux_base_vaddr + pinmux_reg_offset);
return pinmux_val;
}
int main(int argc, char **argv)
{
consoleDebugInit(debugDevice_SVC);
Result rc;
u64 pinmux_base_vaddr = 0;
u64 gpio_base_vaddr = 0;
u64 pmc_base_vaddr = 0;
/* Map the APB MISC registers for PINMUX */
rc = svcQueryIoMapping(&pinmux_base_vaddr, APB_MISC_BASE, 0x4000);
if (R_FAILED(rc)) {
return rc;
}
/* IO mapping failed */
if (!pinmux_base_vaddr)
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_IoError));
/* Map the GPIO registers */
rc = svcQueryIoMapping(&gpio_base_vaddr, GPIO_BASE, 0x1000);
if (R_FAILED(rc)) {
return rc;
}
/* IO mapping failed */
if (!gpio_base_vaddr)
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_IoError));
/* Change GPIO voltage to 1.8v */
if (kernelAbove200()) {
u32 rw_reg_val = 0;
/* Use svcReadWriteRegister to write APBDEV_PMC_PWR_DET_0 */
rc = svcReadWriteRegister(&rw_reg_val, PMC_BASE + 0x48, 0xA42000, 0xA42000);
if (R_FAILED(rc)) {
return rc;
}
/* Use svcReadWriteRegister to write APBDEV_PMC_PWR_DET_VAL_0 */
rc = svcReadWriteRegister(&rw_reg_val, PMC_BASE + 0xE4, 0, 0xA42000);
if (R_FAILED(rc)) {
return rc;
}
} else {
/* Map the PMC registers directly */
rc = svcQueryIoMapping(&pmc_base_vaddr, PMC_BASE, 0x3000);
if (R_FAILED(rc)) {
return rc;
}
/* IO mapping failed */
if (!pmc_base_vaddr)
fatalSimple(MAKERESULT(Module_Libnx, LibnxError_IoError));
/* Write to APBDEV_PMC_PWR_DET_0 */
*((u32 *)pmc_base_vaddr + 0x48) |= 0xA42000;
/* Write to APBDEV_PMC_PWR_DET_VAL_0 */
*((u32 *)pmc_base_vaddr + 0xE4) &= ~(0xA42000);
}
/* Wait for changes to take effect */
svcSleepThread(100000);
/* Setup all GPIOs from 0x01 to 0x3C */
for (unsigned int i = 1; i < MAX_GPIOS; i++) {
gpio_configure(gpio_base_vaddr, i);
gpio_set_direction(gpio_base_vaddr, i);
gpio_set_value(gpio_base_vaddr, i);
}
u64 hardware_type = 0;
/* Get the hardware type from SPL */
rc = splGetConfig(SplConfigItem_HardwareType, &hardware_type);
if (R_FAILED(rc)) {
return rc;
}
/* This is ignored in Copper hardware */
if (hardware_type != 0x01) {
/* TODO: Battery charge check */
}
/* Update PINMUX park status */
for (unsigned int i = 0; i < MAX_PINMUX; i++) {
pinmux_update_park(pinmux_base_vaddr, i);
}
/* TODO: Set initial PINMUX configuration */
/* TODO: Set initial PINMUX drive pad configuration */
/* TODO: Set initial wake pin configuration */
/* This is ignored in Copper hardware */
if (hardware_type != 0x01) {
/* Configure PMC clock out */
if (kernelAbove200()) {
u32 rw_reg_val = 0;
/* Use svcReadWriteRegister to write APBDEV_PMC_CLK_OUT_CNTRL_0 */
rc = svcReadWriteRegister(&rw_reg_val, PMC_BASE + 0x1A8, 0xC4, 0xC4);
if (R_FAILED(rc)) {
return rc;
}
} else {
/* Write to APBDEV_PMC_CLK_OUT_CNTRL_0 */
*((u32 *)pmc_base_vaddr + 0x1A8) |= 0xC4;
}
}
/* Setup GPIO 0x4B for Copper hardware only */
if (hardware_type == 0x01) {
gpio_configure(gpio_base_vaddr, 0x4B);
gpio_set_direction(gpio_base_vaddr, 0x4B);
gpio_set_value(gpio_base_vaddr, 0x4B);
}
/* TODO: NAND repair */
/* pmshellNotifyBootFinished(); */
rc = 0;
return rc;
}
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