i2c: Add missing clocks + more refactoring

bootloader/soc/hw_init.c

@@ -53,8 +53,8 @@ extern boot_cfg_t b_cfg;
 void _config_oscillators()
 {
 	CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) = (CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) & 0xFFFFFFF3) | 4; // Set CLK_M_DIVISOR to 2.
-	SYSCTR0(SYSCTR0_CNTFID0) = 19200000; // Set counter frequency.
+	SYSCTR0(SYSCTR0_CNTFID0) = 19200000;             // Set counter frequency.
-	TMR(TIMERUS_USEC_CFG) = 0x45F; // For 19.2MHz clk_m.
+	TMR(TIMERUS_USEC_CFG) = 0x45F;                   // For 19.2MHz clk_m.
 	CLOCK(CLK_RST_CONTROLLER_OSC_CTRL) = 0x50000071; // Set OSC to 38.4MHz and drive strength. 
 
 	PMC(APBDEV_PMC_OSC_EDPD_OVER) = (PMC(APBDEV_PMC_OSC_EDPD_OVER) & 0xFFFFFF81) | 0xE; // Set LP0 OSC drive strength. 
@@ -62,15 +62,15 @@ void _config_oscillators()
 	PMC(APBDEV_PMC_CNTRL2) = (PMC(APBDEV_PMC_CNTRL2) & 0xFFFFEFFF) | PMC_CNTRL2_HOLD_CKE_LOW_EN;
 	PMC(APBDEV_PMC_SCRATCH188) = (PMC(APBDEV_PMC_SCRATCH188) & 0xFCFFFFFF) | (4 << 23); // LP0 EMC2TMC_CFG_XM2COMP_PU_VREF_SEL_RANGE.
 
-	CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 0x10; // Set HCLK div to 2 and PCLK div to 1.
+	CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 0x10;   // Set HCLK div to 2 and PCLK div to 1.
 	CLOCK(CLK_RST_CONTROLLER_PLLMB_BASE) &= 0xBFFFFFFF; // PLLMB disable.
 
 	PMC(APBDEV_PMC_TSC_MULT) = (PMC(APBDEV_PMC_TSC_MULT) & 0xFFFF0000) | 0x249F; //0x249F = 19200000 * (16 / 32.768 kHz)
 
-	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SYS) = 0; // Set SCLK div to 1.
+	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SYS) = 0;              // Set SCLK div to 1.
-	CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20004444; // Set clk source to Run and PLLP_OUT2 (204MHz).
+	CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20004444;  // Set clk source to Run and PLLP_OUT2 (204MHz).
 	CLOCK(CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER) = 0x80000000; // Enable SUPER_SDIV to 1.
-	CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2; // Set HCLK div to 1 and PCLK div to 3.
+	CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2;             // Set HCLK div to 1 and PCLK div to 3.
 }
 
 void _config_gpios()
@@ -78,17 +78,22 @@ void _config_gpios()
 	PINMUX_AUX(PINMUX_AUX_UART2_TX) = 0;
 	PINMUX_AUX(PINMUX_AUX_UART3_TX) = 0;
 
+	// Set Joy-Con IsAttached direction.
 	PINMUX_AUX(PINMUX_AUX_GPIO_PE6) = PINMUX_INPUT_ENABLE;
 	PINMUX_AUX(PINMUX_AUX_GPIO_PH6) = PINMUX_INPUT_ENABLE;
 
+	// Set pin mode for Joy-Con IsAttached and UARTB/C TX pins.
 #if !defined (DEBUG_UART_PORT) || DEBUG_UART_PORT != UART_B
 	gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_GPIO);
 #endif
 #if !defined (DEBUG_UART_PORT) || DEBUG_UART_PORT != UART_C
 	gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_GPIO);
 #endif
+	// Set Joy-Con IsAttached mode.
 	gpio_config(GPIO_PORT_E, GPIO_PIN_6, GPIO_MODE_GPIO);
 	gpio_config(GPIO_PORT_H, GPIO_PIN_6, GPIO_MODE_GPIO);
+
+	// Enable input logic for Joy-Con IsAttached and UARTB/C TX pins.
 	gpio_output_enable(GPIO_PORT_G, GPIO_PIN_0, GPIO_OUTPUT_DISABLE);
 	gpio_output_enable(GPIO_PORT_D, GPIO_PIN_1, GPIO_OUTPUT_DISABLE);
 	gpio_output_enable(GPIO_PORT_E, GPIO_PIN_6, GPIO_OUTPUT_DISABLE);
@@ -111,7 +116,7 @@ void _config_gpios()
 
 void _config_pmc_scratch()
 {
-	PMC(APBDEV_PMC_SCRATCH20) &= 0xFFF3FFFF; // Unset Debug console from Customer Option.
+	PMC(APBDEV_PMC_SCRATCH20) &= 0xFFF3FFFF;  // Unset Debug console from Customer Option.
 	PMC(APBDEV_PMC_SCRATCH190) &= 0xFFFFFFFE; // Unset DATA_DQ_E_IVREF EMC_PMACRO_DATA_PAD_TX_CTRL
 	PMC(APBDEV_PMC_SECURE_SCRATCH21) |= PMC_FUSE_PRIVATEKEYDISABLE_TZ_STICKY_BIT;
 }
@@ -119,15 +124,20 @@ void _config_pmc_scratch()
 void _mbist_workaround()
 {
 	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_V) |= (1 << 10); // Enable AHUB clock.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 <<  6);  // Enable APE clock.
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 <<  6); // Enable APE clock.
 
+	// Set mux output to SOR1 clock switch.
 	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SOR1) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SOR1) | 0x8000) & 0xFFFFBFFF;
+	// Enabled PLLD and set csi to PLLD for test pattern generation.
 	CLOCK(CLK_RST_CONTROLLER_PLLD_BASE) |= 0x40800000;
-	CLOCK(CLK_RST_CONTROLLER_RST_DEV_Y_CLR) = 0x40;
+
-	CLOCK(CLK_RST_CONTROLLER_RST_DEV_X_CLR) = 0x40000;
+	// Clear per-clock resets.
-	CLOCK(CLK_RST_CONTROLLER_RST_DEV_L_CLR) = 0x18000000;
+	CLOCK(CLK_RST_CONTROLLER_RST_DEV_Y_CLR) = 0x40;       // Clear reset APE.
+	CLOCK(CLK_RST_CONTROLLER_RST_DEV_X_CLR) = 0x40000;    // Clear reset VIC.
+	CLOCK(CLK_RST_CONTROLLER_RST_DEV_L_CLR) = 0x18000000; // Clear reset DISP1, HOST1X.
 	usleep(2);
 
+	// I2S channels to master and disable SLCG.
 	I2S(I2S1_CTRL) |= I2S_CTRL_MASTER_EN;
 	I2S(I2S1_CG)   &= ~I2S_CG_SLCG_ENABLE;
 	I2S(I2S2_CTRL) |= I2S_CTRL_MASTER_EN;
@@ -138,30 +148,39 @@ void _mbist_workaround()
 	I2S(I2S4_CG)   &= ~I2S_CG_SLCG_ENABLE;
 	I2S(I2S5_CTRL) |= I2S_CTRL_MASTER_EN;
 	I2S(I2S5_CG)   &= ~I2S_CG_SLCG_ENABLE;
+
 	DISPLAY_A(_DIREG(DC_COM_DSC_TOP_CTL)) |= 4; // DSC_SLCG_OVERRIDE.
 	VIC(0x8C) = 0xFFFFFFFF;
 	usleep(2);
 
-	CLOCK(CLK_RST_CONTROLLER_RST_DEV_Y_SET) = 0x40;
+	// Set per-clock reset.
-	CLOCK(CLK_RST_CONTROLLER_RST_DEV_L_SET) = 0x18000000;
+	CLOCK(CLK_RST_CONTROLLER_RST_DEV_Y_SET) = 0x40;       // Set reset APE.
-	CLOCK(CLK_RST_CONTROLLER_RST_DEV_X_SET) = 0x40000;
+	CLOCK(CLK_RST_CONTROLLER_RST_DEV_L_SET) = 0x18000000; // Set reset DISP1, HOST1x.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_H) = 0xC0;
+	CLOCK(CLK_RST_CONTROLLER_RST_DEV_X_SET) = 0x40000;    // Set reset VIC.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_L) = 0x80000130;
+
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_U) = 0x1F00200;
+	// Enable specific clocks and disable all others.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_V) = 0x80400808;
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_H) = 0xC0;       // Enable clock PMC, FUSE.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_W) = 0x402000FC;
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_L) = 0x80000130; // Enable clock RTC, TMR, GPIO, BPMP_CACHE.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_X) = 0x23000780;
+	//CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_L) = 0x80400130; // Keep USB data ON.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) = 0x300;
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_U) = 0x1F00200;  // Enable clock CSITE, IRAMA, IRAMB, IRAMC, IRAMD, BPMP_CACHE_RAM.
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_V) = 0x80400808; // Enable clock MSELECT, APB2APE, SPDIF_DOUBLER, SE.
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_W) = 0x402000FC; // Enable clock PCIERX0, PCIERX1, PCIERX2, PCIERX3, PCIERX4, PCIERX5, ENTROPY, MC1.
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_X) = 0x23000780; // Enable clock MC_CAPA, MC_CAPB, MC_CPU, MC_BBC, DBGAPB, HPLL_ADSP, PLLG_REF.
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) = 0x300;      // Enable clock MC_CDPA, MC_CCPA.
+
+	// Disable clock gate overrides.
 	CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRA) = 0;
 	CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRB) = 0;
 	CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRC) = 0;
 	CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD) = 0;
 	CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRE) = 0;
-	CLOCK(CLK_RST_CONTROLLER_PLLD_BASE) &= 0x1F7FFFFF;
+
-	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SOR1) &= 0xFFFF3FFF;
+	// Set child clock sources.
-	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_VI) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_VI) & 0x1FFFFFFF) | 0x80000000;
+	CLOCK(CLK_RST_CONTROLLER_PLLD_BASE) &= 0x1F7FFFFF; // Disable PLLD and set reference clock and csi clock.
-	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_HOST1X) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_HOST1X) & 0x1FFFFFFF) | 0x80000000;
+	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SOR1) &= 0xFFFF3FFF; // Set SOR1 to automatic muxing of safe clock (24MHz) or SOR1 clk switch.
-	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_NVENC) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_NVENC) & 0x1FFFFFFF) | 0x80000000;
+	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_VI) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_VI) & 0x1FFFFFFF) | 0x80000000; // Set clock source to PLLP_OUT.
+	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_HOST1X) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_HOST1X) & 0x1FFFFFFF) | 0x80000000; // Set clock source to PLLP_OUT.
+	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_NVENC) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_NVENC) & 0x1FFFFFFF) | 0x80000000; // Set clock source to PLLP_OUT.
 }
 
 void _config_se_brom()
@@ -197,6 +216,52 @@ void _config_se_brom()
 	APB_MISC(APB_MISC_PP_STRAPPING_OPT_A) = (APB_MISC(APB_MISC_PP_STRAPPING_OPT_A) & 0xF0) | (7 << 10);
 }
 
+void _config_regulators()
+{
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_CNFGBBC, MAX77620_CNFGBBC_RESISTOR_1K);
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_ONOFFCNFG1,
+		(1 << 6) | (1 << MAX77620_ONOFFCNFG1_MRT_SHIFT)); // PWR delay for forced shutdown off.
+
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_CFG0,
+		(7 << MAX77620_FPS_TIME_PERIOD_SHIFT));
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_CFG1,
+		(7 << MAX77620_FPS_TIME_PERIOD_SHIFT) | (1 << MAX77620_FPS_EN_SRC_SHIFT));
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_CFG2,
+		(7 << MAX77620_FPS_TIME_PERIOD_SHIFT));
+	max77620_regulator_config_fps(REGULATOR_LDO4);
+	max77620_regulator_config_fps(REGULATOR_LDO8);
+	max77620_regulator_config_fps(REGULATOR_SD0);
+	max77620_regulator_config_fps(REGULATOR_SD1);
+	max77620_regulator_config_fps(REGULATOR_SD3);
+
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_GPIO3,
+		(4 << MAX77620_FPS_TIME_PERIOD_SHIFT) | (2 << MAX77620_FPS_PD_PERIOD_SHIFT)); // 3.x+
+
+	// Set vdd_core voltage to 1.125V
+	max77620_regulator_set_voltage(REGULATOR_SD0, 1125000);
+
+	// Fix CPU/GPU after a Linux warmboot.
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO5, 2);
+	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO6, 2);
+
+	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_0_95V); // Disable power.
+	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_1_09V); // Enable DVS power.
+	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL1_REG, MAX77621_RAMP_50mV_PER_US);
+	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL2_REG,
+		MAX77621_T_JUNCTION_120 | MAX77621_FT_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US_HIST_DIS |
+		MAX77621_CKKADV_TRIP_150mV_PER_US | MAX77621_INDUCTOR_NOMINAL);
+
+	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_0_95V); // Disable power.
+	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_1_09V); // Enable DVS power.
+	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_CONTROL1_REG, MAX77621_RAMP_50mV_PER_US);
+	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_CONTROL2_REG,
+		MAX77621_T_JUNCTION_120 | MAX77621_FT_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US_HIST_DIS |
+		MAX77621_CKKADV_TRIP_150mV_PER_US | MAX77621_INDUCTOR_NOMINAL);
+
+	// Disable low battery shutdown monitor.
+	max77620_low_battery_monitor_config();
+}
+
 void config_hw()
 {
 	// Bootrom stuff we skipped by going through rcm.
@@ -234,45 +299,7 @@ void config_hw()
 	i2c_init(I2C_1);
 	i2c_init(I2C_5);
 
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_CNFGBBC, MAX77620_CNFGBBC_RESISTOR_1K);
+	_config_regulators();
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_ONOFFCNFG1,
-		(1 << 6) | (3 << MAX77620_ONOFFCNFG1_MRT_SHIFT)); // PWR delay for forced shutdown off.
-
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_CFG0,
-		(7 << MAX77620_FPS_TIME_PERIOD_SHIFT));
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_CFG1,
-		(7 << MAX77620_FPS_TIME_PERIOD_SHIFT) | (1 << MAX77620_FPS_EN_SRC_SHIFT));
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_CFG2,
-		(7 << MAX77620_FPS_TIME_PERIOD_SHIFT));
-	max77620_regulator_config_fps(REGULATOR_LDO4);
-	max77620_regulator_config_fps(REGULATOR_LDO8);
-	max77620_regulator_config_fps(REGULATOR_SD0);
-	max77620_regulator_config_fps(REGULATOR_SD1);
-	max77620_regulator_config_fps(REGULATOR_SD3);
-
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_FPS_GPIO3,
-		(4 << MAX77620_FPS_TIME_PERIOD_SHIFT) | (2 << MAX77620_FPS_PD_PERIOD_SHIFT)); // 3.x+
-
-	max77620_regulator_set_voltage(REGULATOR_SD0, 1125000);
-
-	// Fix CPU/GPU after a Linux warmboot.
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO5, 2);
-	i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO6, 2);
-
-	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_0_95V); // Disable power.
-	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_1_09V); // Enable DVS power.
-	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL1_REG, MAX77621_RAMP_50mV_PER_US);
-	i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL2_REG,
-		MAX77621_T_JUNCTION_120 | MAX77621_FT_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US_HIST_DIS | MAX77621_CKKADV_TRIP_150mV_PER_US | MAX77621_INDUCTOR_NOMINAL);
-
-	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_0_95V); // Disable power.
-	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_1_09V); // Enable DVS power.
-	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_CONTROL1_REG, MAX77621_RAMP_50mV_PER_US);
-	i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_CONTROL2_REG,
-		MAX77621_T_JUNCTION_120 | MAX77621_FT_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US_HIST_DIS | MAX77621_CKKADV_TRIP_150mV_PER_US | MAX77621_INDUCTOR_NOMINAL);
-
-	// Disable low battery shutdown monitor.
-	max77620_low_battery_monitor_config();
 
 	_config_pmc_scratch(); // Missing from 4.x+
 
@@ -292,7 +319,7 @@ void reconfig_hw_workaround(bool extra_reconfig, u32 magic)
 
 	// Re-enable clocks to Audio Processing Engine as a workaround to hanging.
 	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_V) |= (1 << 10); // Enable AHUB clock.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 <<  6);  // Enable APE clock.
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 <<  6); // Enable APE clock.
 
 	if (extra_reconfig)
 	{

bootloader/soc/kfuse.c

@@ -18,6 +18,9 @@
 #include "../soc/clock.h"
 #include "../soc/t210.h"
 
+#pragma GCC push_options
+#pragma GCC optimize ("Os")
+
 int kfuse_read(u32 *buf)
 {
 	int res = 0;
@@ -40,3 +43,5 @@ out:;
 	clock_disable_kfuse();
 	return res;
 }
+
+#pragma GCC pop_options

bootloader/storage/emummc.c

@@ -170,13 +170,13 @@ int emummc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, v
 		}
 		if (f_open(&fp, emu_cfg.emummc_file_based_path, FA_READ))
 		{
-			gfx_printf("e3\n");
+			EPRINTF("Failed to open emuMMC image.");
 			return 0;
 		}
 		f_lseek(&fp, (u64)sector << 9);
 		if (f_read(&fp, buf, (u64)num_sectors << 9, NULL))
 		{
-			gfx_printf("e4\n");
+			EPRINTF("Failed to read emuMMC image.");
 			f_close(&fp);
 			return 0;
 		}

nyx/nyx_gui/soc/clock.c

@@ -34,11 +34,11 @@ static const clock_t _clock_uart[] = {
 
 static const clock_t _clock_i2c[] = {
 /* I2C1 */ { CLK_RST_CONTROLLER_RST_DEVICES_L, CLK_RST_CONTROLLER_CLK_OUT_ENB_L, CLK_RST_CONTROLLER_CLK_SOURCE_I2C1, 12, 0, 19 }, //20.4MHz -> 100KHz
-/* I2C2 */ { 0 },
+/* I2C2 */ { CLK_RST_CONTROLLER_RST_DEVICES_H, CLK_RST_CONTROLLER_CLK_OUT_ENB_H, CLK_RST_CONTROLLER_CLK_SOURCE_I2C2, 22, 0, 4  }, //81.6MHz -> 400KHz
-/* I2C3 */ { CLK_RST_CONTROLLER_RST_DEVICES_U, CLK_RST_CONTROLLER_CLK_OUT_ENB_U, CLK_RST_CONTROLLER_CLK_SOURCE_I2C3, 3,  0, 4  },  //81.6MHz -> 400KHz
+/* I2C3 */ { CLK_RST_CONTROLLER_RST_DEVICES_U, CLK_RST_CONTROLLER_CLK_OUT_ENB_U, CLK_RST_CONTROLLER_CLK_SOURCE_I2C3, 3,  0, 4  }, //81.6MHz -> 400KHz
-/* I2C4 */ { 0 },
+/* I2C4 */ { CLK_RST_CONTROLLER_RST_DEVICES_V, CLK_RST_CONTROLLER_CLK_OUT_ENB_V, CLK_RST_CONTROLLER_CLK_SOURCE_I2C4, 7,  0, 19 }, //20.4MHz -> 100KHz
-/* I2C5 */ { CLK_RST_CONTROLLER_RST_DEVICES_H, CLK_RST_CONTROLLER_CLK_OUT_ENB_H, CLK_RST_CONTROLLER_CLK_SOURCE_I2C5, 15, 0, 4  },  //81.6MHz -> 400KHz
+/* I2C5 */ { CLK_RST_CONTROLLER_RST_DEVICES_H, CLK_RST_CONTROLLER_CLK_OUT_ENB_H, CLK_RST_CONTROLLER_CLK_SOURCE_I2C5, 15, 0, 4  }, //81.6MHz -> 400KHz
-/* I2C6 */ { 0 }
+/* I2C6 */ { CLK_RST_CONTROLLER_RST_DEVICES_X, CLK_RST_CONTROLLER_CLK_OUT_ENB_X, CLK_RST_CONTROLLER_CLK_SOURCE_I2C6, 6,  0, 19 }  //20.4MHz -> 100KHz
 };
 
 static clock_t _clock_se = {