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https://github.com/Atmosphere-NX/Atmosphere
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Boot: Implement pinmux drive pad configuration
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hexkyz
GitHub
parent
42fd4f73cf
commit
bf3eea7031
1 changed files with 136 additions and 3 deletions
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@ -13,6 +13,7 @@
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#define MAX_GPIOS 0x3D
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#define MAX_PINMUX 0xA2
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#define MAX_PINMUX_5X 0xAF
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#define MAX_PINMUX_DRIVEPAD 0x2F
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extern "C" {
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extern u32 __start__;
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@ -1043,7 +1044,6 @@ static int pinmux_update_pad(u64 pinmux_base_vaddr, unsigned int pinmux_idx, uns
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/* Adjust Preemp */
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if (pinmux_config_mask_val & 0x10000) {
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/* This pin supports Preemp change */
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if (pinmux_mask_val & 0x8000) {
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/* Change Preemp */
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@ -1075,7 +1075,7 @@ static int pinmux_update_pad(u64 pinmux_base_vaddr, unsigned int pinmux_idx, uns
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return pinmux_val;
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}
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static const std::tuple<u32, u32> g_drivepad_map[] = {
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static const std::tuple<u32, u32> g_pinmux_drivepad_map[] = {
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{0x000008E4, 0x01F1F000}, /* AlsProxInt */
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{0x000008E8, 0x01F1F000}, /* ApReady */
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{0x000008EC, 0x01F1F000}, /* ApWakeBt */
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@ -1226,6 +1226,135 @@ static const std::tuple<u32, u32> g_drivepad_map[] = {
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{0x00000B6C, 0x01F1F000}, /* WifiWakeAp */
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};
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static const std::tuple<u32, u32, u32> g_pinmux_drivepad_config_map[] = {
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{0x04, 0x01010000, 0x01F1F000},
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{0x0D, 0x01010000, 0x01F1F000},
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{0x10, 0x01010000, 0x01F1F000},
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{0x12, 0x01010000, 0x01F1F000},
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{0x13, 0x01010000, 0x01F1F000},
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{0x14, 0x0001F000, 0x01F1F000},
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{0x15, 0x0001F000, 0x01F1F000},
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{0x24, 0x01010000, 0x01F1F000},
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{0x25, 0x01010000, 0x01F1F000},
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{0x26, 0x01010000, 0x01F1F000},
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{0x27, 0x01010000, 0x01F1F000},
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{0x28, 0x01010000, 0x01F1F000},
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{0x29, 0x01010000, 0x01F1F000},
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{0x2A, 0x01010000, 0x01F1F000},
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{0x2B, 0x01010000, 0x01F1F000},
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{0x2C, 0x01F1F000, 0x01F1F000},
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{0x2D, 0x01F1F000, 0x01F1F000},
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{0x2F, 0x01F1F000, 0x01F1F000},
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{0x30, 0x01404000, 0x01F1F000},
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{0x31, 0x0001F000, 0x01F1F000},
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{0x32, 0x0001F000, 0x01F1F000},
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{0x33, 0x0001F000, 0x01F1F000},
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{0x34, 0x0001F000, 0x01F1F000},
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{0x35, 0x00007000, 0x01F1F000},
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{0x36, 0x00007000, 0x01F1F000},
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{0x46, 0x01010000, 0x01F1F000},
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{0x47, 0x01010000, 0x01F1F000},
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{0x4C, 0x01404000, 0x01F1F000},
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{0x4D, 0x01404000, 0x01F1F000},
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{0x62, 0x0001F000, 0x01F1F000},
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{0x63, 0x0001F000, 0x01F1F000},
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{0x7C, 0x01414000, 0x01F1F000},
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{0x87, 0x01404000, 0x01F1F000},
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{0x88, 0x01404000, 0x01F1F000},
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{0x89, 0x01404000, 0x01F1F000},
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{0x8A, 0x01404000, 0x01F1F000},
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{0x6D, 0x00000000, 0xF0000000},
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{0x6E, 0x00000000, 0xF0000000},
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{0x6F, 0x00000000, 0xF0000000},
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{0x70, 0x00000000, 0xF0000000},
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{0x71, 0x00000000, 0xF0000000},
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{0x72, 0x00000000, 0xF0000000},
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{0x73, 0x00000000, 0xF0000000},
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{0x74, 0x00000000, 0xF0000000},
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{0x75, 0x00000000, 0xF0000000},
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{0x76, 0x00000000, 0xF0000000},
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{0x69, 0x51212000, 0xF1F1F000},
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};
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static int pinmux_update_drivepad(u64 pinmux_base_vaddr, unsigned int pinmux_drivepad_idx, unsigned int pinmux_drivepad_config_val, unsigned int pinmux_drivepad_config_mask_val) {
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/* Fetch this PINMUX drive group's register offset */
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u32 pinmux_drivepad_reg_offset = std::get<0>(g_pinmux_drivepad_map[pinmux_drivepad_idx]);
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/* Fetch this PINMUX drive group's mask value */
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u32 pinmux_drivepad_mask_val = std::get<1>(g_pinmux_drivepad_map[pinmux_drivepad_idx]);
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/* Read from the PINMUX drive group register */
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u32 pinmux_drivepad_val = *((u32 *)pinmux_base_vaddr + pinmux_drivepad_reg_offset);
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/* Adjust DriveDownStrength */
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if (pinmux_drivepad_config_mask_val & 0x1F000) {
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u32 mask_val = 0x7F000;
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/* Adjust mask value */
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if ((pinmux_drivepad_mask_val & 0x7F000) != 0x7F000)
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mask_val = 0x1F000;
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/* This drive group supports DriveDownStrength change */
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if (pinmux_drivepad_mask_val & mask_val) {
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/* Change DriveDownStrength */
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if (((pinmux_drivepad_config_val & 0x7F000) & mask_val) != (pinmux_drivepad_val & mask_val)) {
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pinmux_drivepad_val &= ~(mask_val);
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pinmux_drivepad_val |= ((pinmux_drivepad_config_val & 0x7F000) & mask_val);
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}
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}
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}
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/* Adjust DriveUpStrength */
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if (pinmux_drivepad_config_mask_val & 0x1F00000) {
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u32 mask_val = 0x7F00000;
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/* Adjust mask value */
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if ((pinmux_drivepad_mask_val & 0x7F00000) != 0x7F00000)
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mask_val = 0x1F00000;
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/* This drive group supports DriveUpStrength change */
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if (pinmux_drivepad_mask_val & mask_val) {
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/* Change DriveUpStrength */
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if (((pinmux_drivepad_config_val & 0x7F00000) & mask_val) != (pinmux_drivepad_val & mask_val)) {
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pinmux_drivepad_val &= ~(mask_val);
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pinmux_drivepad_val |= ((pinmux_drivepad_config_val & 0x7F00000) & mask_val);
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}
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}
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}
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/* Adjust DriveDownSlew */
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if (pinmux_drivepad_config_mask_val & 0x30000000) {
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/* This drive group supports DriveDownSlew change */
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if (pinmux_drivepad_mask_val & 0x30000000) {
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/* Change DriveDownSlew */
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if ((pinmux_drivepad_val ^ pinmux_drivepad_config_val) & 0x30000000) {
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pinmux_drivepad_val &= 0xCFFFFFFF;
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pinmux_drivepad_val |= (pinmux_drivepad_config_val & 0x30000000);
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}
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}
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}
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/* Adjust DriveUpSlew */
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if (pinmux_drivepad_config_mask_val & 0xC0000000) {
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/* This drive group supports DriveUpSlew change */
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if (pinmux_drivepad_mask_val & 0xC0000000) {
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/* Change DriveUpSlew */
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if ((pinmux_drivepad_val ^ pinmux_drivepad_config_val) & 0xC0000000) {
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pinmux_drivepad_val &= 0x3FFFFFFF;
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pinmux_drivepad_val |= (pinmux_drivepad_config_val & 0xC0000000);
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}
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}
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}
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/* Write to the appropriate PINMUX drive group register */
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*((u32 *)pinmux_base_vaddr + pinmux_drivepad_reg_offset) = pinmux_drivepad_val;
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/* Do a dummy read from the PINMUX drive group register */
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pinmux_drivepad_val = *((u32 *)pinmux_base_vaddr + pinmux_drivepad_reg_offset);
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return pinmux_drivepad_val;
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}
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int main(int argc, char **argv)
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{
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consoleDebugInit(debugDevice_SVC);
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@ -1332,7 +1461,11 @@ int main(int argc, char **argv)
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/* Invalid */
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}
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/* TODO: Set initial PINMUX drive pad configuration */
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/* Configure all PINMUX drive pads (common to all hardware types) */
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for (unsigned int i = 0; i < MAX_PINMUX_DRIVEPAD; i++) {
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pinmux_update_drivepad(pinmux_base_vaddr, std::get<0>(g_pinmux_drivepad_config_map[i]), std::get<1>(g_pinmux_drivepad_config_map[i]), std::get<2>(g_pinmux_drivepad_config_map[i]));
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}
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/* TODO: Set initial wake pin configuration */
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/* This is ignored in Copper hardware */
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