From f8086335171efdd2d2da8111012508b067ede9c1 Mon Sep 17 00:00:00 2001 From: hydrogenium2020 <107231979+hydrogenium2020-offical@users.noreply.github.com> Date: Wed, 31 Jan 2024 16:45:11 +0800 Subject: [PATCH] Fix:Update Makefile and README.md --- Makefile | 3 +++ README.md | 39 +++++---------------------------------- 2 files changed, 8 insertions(+), 34 deletions(-) diff --git a/Makefile b/Makefile index eb2ae68..ccd9726 100755 --- a/Makefile +++ b/Makefile @@ -8,6 +8,7 @@ TARGET := bootloader BUILD := build SOURCEDIR := loader OBJS = $(addprefix $(BUILD)/, \ + stack.o \ main.o \ fuse.o \ usb.o \ @@ -17,6 +18,8 @@ OBJS = $(addprefix $(BUILD)/, \ clock.o \ pinmux.o \ gpio.o \ + heap.o \ + uart.o \ ) OBJS += $(addprefix $(BUILD)/, \ diff --git a/README.md b/README.md index bf34bdf..3b94e38 100644 --- a/README.md +++ b/README.md @@ -3,40 +3,11 @@ (WIP)This is a custom bootloader for Tegra T124/T132 Soc. A fork of early commit of [hekate](https://github.com/CTCaer/hekate/). -# Issues -- Clock setting? I am not sure it is ture.Here is my code. -```c -void config_oscillators() -{ - - CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) = (CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) & 0xFFFFFFF3) | 0; // Clear 3-2bit and set CLK_M_DIVISOR to 1.the 3-2bit is divisor. - SYSCTR0(SYSCTR0_CNTFID0) = 12000000; // Set counter frequency. 12Mhz - - //This register is for 1 microsecond. bit7-0->DIVISOR bit15-8->DIVIDEND.So we need 1/12 - TIMER0(TIMERUS_USEC_CFG) = 0x0B; // For 12MHz clk_m. 1/12 -> 0x00/0x0b - - CLOCK(CLK_RST_CONTROLLER_OSC_CTRL) = 0x80000071; // Set OSC to 12MHz and drive strength. - - PMC(APBDEV_PMC_OSC_EDPD_OVER) = (PMC(APBDEV_PMC_OSC_EDPD_OVER) & 0xFFFFFF81) | 0xE; // Set LP0 OSC drive strength. - PMC(APBDEV_PMC_OSC_EDPD_OVER) = (PMC(APBDEV_PMC_OSC_EDPD_OVER) & 0xFFBFFFFF) | PMC_OSC_EDPD_OVER_OSC_CTRL_OVER; - PMC(APBDEV_PMC_CNTRL2) = (PMC(APBDEV_PMC_CNTRL2) & 0xFFFFEFFF) | PMC_CNTRL2_HOLD_CKE_LOW_EN; - - //Not impl in T124?Only in T210 and newer - //PMC(APB_MISC_GP_ASDBGREG) = (PMC(APB_MISC_GP_ASDBGREG) & 0xFCFFFFFF) | (2 << 24); // CFG2TMC_RAM_SVOP_PDP. - - CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 0x00; // Set HCLK div to 1 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) | 0x16E0; // 0x249F = 12000000 * (16 / 32.768 kHz). - - CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SYS) = 0; // Set BPMP/SCLK div to 1. - CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20004444; // Set BPMP/SCLK 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. -} -``` - -- I2C cannot be initialized properly. When I set the frequency, avp crashed +# Issues/TODO +- Init PMIC (TPS65913) +- Init SDRAM +- Init Display +I am studying its process. ## Build ### **Archlinux**