mirror of
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add-comments-and-tidy.patch
Push the config options into a config .h, tidy things, add attribution Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
parent
4391a52819
commit
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15
qiboot/include/device_configuration.h
Normal file
15
qiboot/include/device_configuration.h
Normal file
@ -0,0 +1,15 @@
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/* define the easily changed settings for the device here */
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#define CFG_NAND_OFFSET_FOR_KERNEL_PARTITION 0x80000
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#define CFG_LINUX_MACHINE_ID 1304
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#define CFG_LINUX_ATAG_ADDRESS 0x30000100
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#define CFG_LINUX_CMDLINE "rootfstype=ext2 " \
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"root=/dev/mmcblk0p1 " \
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"console=ttySAC2,115200 " \
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"loglevel=8 " \
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"init=/sbin/init ro"
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#define CFG_LINUX_BIGGEST_KERNEL (4 * 1024 * 1024)
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#define CFG_MACHINE_REVISION 0x350
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#define CFG_MEMORY_REGION_START 0x30000000
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#define CFG_MEMORY_REGION_SIZE (128 * 1024 * 1024)
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@ -29,6 +29,11 @@ SECTIONS
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{
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. = 0x00000000;
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/* this is intended to take the first 4KBytes of stuff initially.
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* We have to make sure we have .rodata* in there for everything
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* because we do not compile PIC.
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*/
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. = ALIGN(4);
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.text :
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{
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@ -1,3 +1,22 @@
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/*
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* (C) Copyright 2008 Openmoko, Inc.
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* Author: Andy Green <andy@openmoko.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __KBOOT_H__
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#define __KBOOT_H__
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@ -1,3 +1,26 @@
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/*
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* (C) Copyright 2008 Openmoko, Inc.
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* Author: Andy Green <andy@openmoko.org>
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*
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* Parse the U-Boot header and Boot Linux
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* based on various code from U-Boot
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include "kboot.h"
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#include <neo_gta02.h>
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#include "blink_led.h"
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@ -12,32 +35,26 @@ typedef unsigned int uint32_t;
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#include <setup.h>
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#include "nand_read.h"
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/* See also ARM920T Technical reference Manual */
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#define C1_MMU (1<<0) /* mmu off/on */
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#define C1_ALIGN (1<<1) /* alignment faults off/on */
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#define C1_DC (1<<2) /* dcache off/on */
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#include <device_configuration.h>
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#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */
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#define C1_SYS_PROT (1<<8) /* system protection */
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#define C1_ROM_PROT (1<<9) /* ROM protection */
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#define C1_DC (1<<2) /* dcache off/on */
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#define C1_IC (1<<12) /* icache off/on */
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#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */
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void bootloader_second_phase(void)
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{
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image_header_t *hdr;
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unsigned long i = 0;
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int machid = 1304; /* GTA02 */
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void (*theKernel)(int zero, int arch, uint params);
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struct tag * params_base = (struct tag *)0x30000100; /* atags need to live here */
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void (*the_kernel)(int zero, int arch, uint params);
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struct tag * params_base = (struct tag *)CFG_LINUX_ATAG_ADDRESS;
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struct tag *params = params_base;
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const char * cmdline = "rootfstype=ext2 root=/dev/mmcblk0p1 console=ttySAC2,115200 loglevel=8 init=/sbin/init ro";
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const char * cmdline = CFG_LINUX_CMDLINE;
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const char *p = cmdline;
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void * kernel_nand = (void *)(TEXT_BASE - 4 * 1024 * 1024);
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void * kernel_nand = (void *)(TEXT_BASE - CFG_LINUX_BIGGEST_KERNEL);
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puts("Checking kernel... ");
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if (nand_read_ll(kernel_nand, 0x80000, 4096) < 0) {
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if (nand_read_ll(kernel_nand, CFG_NAND_OFFSET_FOR_KERNEL_PARTITION,
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4096) < 0) {
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puts ("Kernel header read failed\n");
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goto unhappy;
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}
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@ -54,9 +71,8 @@ void bootloader_second_phase(void)
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puts("Fetching kernel...");
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if (nand_read_ll(kernel_nand, 0x80000, ((32 * 1024) +
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(_ntohl(hdr->ih_size) +
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sizeof(hdr) + 2048)) &
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if (nand_read_ll(kernel_nand, CFG_NAND_OFFSET_FOR_KERNEL_PARTITION,
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((32 * 1024) + (_ntohl(hdr->ih_size) + sizeof(hdr) + 2048)) &
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~(2048 - 1)) < 0) {
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puts ("Kernel body read failed\n");
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goto unhappy;
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@ -64,7 +80,7 @@ void bootloader_second_phase(void)
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puts(" Done");
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theKernel = (void (*)(int, int, uint))
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the_kernel = (void (*)(int, int, uint))
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(((char *)hdr) + sizeof(image_header_t));
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/* first tag */
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@ -78,14 +94,14 @@ void bootloader_second_phase(void)
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/* revision tag */
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params->hdr.tag = ATAG_REVISION;
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params->hdr.size = tag_size (tag_revision);
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params->u.revision.rev = 0x350;
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params->u.revision.rev = CFG_MACHINE_REVISION;
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params = tag_next (params);
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/* memory tags */
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params->hdr.tag = ATAG_MEM;
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params->hdr.size = tag_size (tag_mem32);
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params->u.mem.start = 0x30000000;
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params->u.mem.size = 128 * 1024 * 1024;
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params->u.mem.start = CFG_MEMORY_REGION_START;
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params->u.mem.size = CFG_MEMORY_REGION_SIZE;
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params = tag_next (params);
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/* kernel commandline */
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@ -104,7 +120,7 @@ void bootloader_second_phase(void)
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params->hdr.tag = ATAG_NONE;
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params->hdr.size = 0;
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puts ("Running Linux...\n\n");
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puts ("Running Linux --->\n\n");
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/* trash the cache */
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@ -119,7 +135,7 @@ void bootloader_second_phase(void)
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/* ooh that's it, we're gonna try boot this image! */
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theKernel(0, machid, (unsigned int)params_base);
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the_kernel(0, CFG_LINUX_MACHINE_ID, (unsigned int)params_base);
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/* that didn't quite pan out */
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@ -74,122 +74,3 @@ void serial_putc (const int uart,const char c)
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break;
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}
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}
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/*
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* =====================================================================
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* PORTS Librarues
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* =====================================================================
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*/
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void port_init(void)
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{
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//CAUTION:Follow the configuration order for setting the ports.
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// 1) setting value(GPnDAT)
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// 2) setting control register (GPnCON)
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// 3) configure pull-up resistor(GPnUP)
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/* 32bit data bus configuration */
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/*
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* === PORT A GROUP
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* Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
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* Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
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* Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
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* Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
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* Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
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* Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
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*/
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rGPACON = 0x007E5FFF;
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rGPADAT |= (1 << 16); /* Set GPA16 to high (nNAND_WP) */
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/*
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* ===* PORT B GROUP
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* Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
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* Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
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* Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
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* Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
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*/
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rGPBCON = 0x00155555;
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rGPBUP = 0x000007FF;
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/*
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* === PORT C GROUP
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* Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
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* Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
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*/
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rGPCCON = 0x55555155;
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rGPCUP = 0x0000FFFF & ~(1 << 5);
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rGPCDAT |= (1 << 13) | (1 << 15); /* index detect -> hi */
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/*
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* === PORT D GROUP
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* Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
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* Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
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*/
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rGPDCON = 0x55555555;
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rGPDUP = 0x0000FFFF;
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rGPDDAT |= (1 << 0) | (1 << 3) | (1 << 4); /* index detect -> hi */
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/*
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* === PORT E GROUP
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* Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
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* Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
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* -------------------------------------------------------------------------------------------------------
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* Ports : GPE3 GPE2 GPE1 GPE0
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* Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
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* Binary : 10 10 , 10 10
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*/
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rGPECON = 0xAAAAAAAA;
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rGPEUP = 0x0000FFFF & ~(1 << 11);
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/*
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* === PORT F GROUP
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* Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
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* Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
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* Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0
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* Binary : 01 01 , 01 01 , 10 10 , 10 10
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*/
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/* pulldown on GPF03: TP-4705+debug - debug conn will float */
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rGPFCON = 0x0000AAAA;
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rGPFUP = 0x000000FF & ~(1 << 3);
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/*
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* === PORT G GROUP
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* Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
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* Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
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* Setting: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1
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* Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11
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* -----------------------------------------------------------------------------------------
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* Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
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* Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
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* Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
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* Binary : 11 11 , 10 11 , 10 10
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*/
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rGPGCON = 0x01AAFE79;
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rGPGUP = 0x0000FFFF;
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/*
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* === PORT H GROUP
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* Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
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* Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
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* Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10
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*/
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/* pulldown on GPH08: UEXTCLK, just floats!
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* pulldown GPH0 -- nCTS0 / RTS_MODEM -- floats when GSM off
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* pulldown GPH3 -- RXD[0] / TX_MODEM -- floats when GSM off
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*/
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rGPHCON = 0x001AAAAA;
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rGPHUP = 0x000007FF & ~(1 << 8) & ~(1 << 0) & ~(1 << 3);
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/* pulldown on GPJ00: input, just floats! */
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/* pulldown on GPJ07: WLAN module WLAN_GPIO0, no ext pull */
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rGPJCON = 0x1551544;
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rGPJUP = 0x1ffff & ~(1 << 0) & ~(1 << 7);
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rGPJDAT |= (1 << 4) | (1 << 6);
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/* Set GPJ4 to high (nGSM_EN) */
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/* Set GPJ6 to high (nDL_GSM) */
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rGPJDAT &= ~(1 << 5); /* Set GPJ5 to low 3D RST */
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/* leaving Glamo forced to Reset# active here killed
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* U-Boot when you touched the memory region
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*/
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rGPJDAT |= (1 << 5); /* Set GPJ5 to high 3D RST */
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}
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@ -1,6 +1,7 @@
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/*
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* (C) Copyright 2007 OpenMoko, Inc.
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* Author: xiangfu liu <xiangfu@openmoko.org>
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* Andy Green <andy@openmoko.com>
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*
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* Configuation settings for the OPENMOKO Neo GTA02 Linux GSM phone
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*
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@ -33,6 +34,121 @@
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extern void bootloader_second_phase(void);
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void port_init(void)
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{
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//CAUTION:Follow the configuration order for setting the ports.
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// 1) setting value(GPnDAT)
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// 2) setting control register (GPnCON)
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// 3) configure pull-up resistor(GPnUP)
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/* 32bit data bus configuration */
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/*
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* === PORT A GROUP
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* Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
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* Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
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* Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
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* Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
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* Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
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* Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
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*/
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rGPACON = 0x007E5FFF;
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rGPADAT |= (1 << 16); /* Set GPA16 to high (nNAND_WP) */
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/*
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* ===* PORT B GROUP
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* Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
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* Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
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* Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
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* Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
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*/
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rGPBCON = 0x00155555;
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rGPBUP = 0x000007FF;
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/*
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* === PORT C GROUP
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* Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
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* Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
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*/
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rGPCCON = 0x55555155;
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rGPCUP = 0x0000FFFF & ~(1 << 5);
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rGPCDAT |= (1 << 13) | (1 << 15); /* index detect -> hi */
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/*
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* === PORT D GROUP
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* Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
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* Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
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*/
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rGPDCON = 0x55555555;
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rGPDUP = 0x0000FFFF;
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rGPDDAT |= (1 << 0) | (1 << 3) | (1 << 4); /* index detect -> hi */
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/*
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* === PORT E GROUP
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* Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
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* Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
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* -------------------------------------------------------------------------------------------------------
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* Ports : GPE3 GPE2 GPE1 GPE0
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* Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
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* Binary : 10 10 , 10 10
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*/
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rGPECON = 0xAAAAAAAA;
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rGPEUP = 0x0000FFFF & ~(1 << 11);
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/*
|
||||
* === PORT F GROUP
|
||||
* Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
|
||||
* Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
|
||||
* Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0
|
||||
* Binary : 01 01 , 01 01 , 10 10 , 10 10
|
||||
*/
|
||||
/* pulldown on GPF03: TP-4705+debug - debug conn will float */
|
||||
rGPFCON = 0x0000AAAA;
|
||||
rGPFUP = 0x000000FF & ~(1 << 3);
|
||||
|
||||
|
||||
/*
|
||||
* === PORT G GROUP
|
||||
* Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
|
||||
* Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
|
||||
* Setting: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1
|
||||
* Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11
|
||||
* -----------------------------------------------------------------------------------------
|
||||
* Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
|
||||
* Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
|
||||
* Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
|
||||
* Binary : 11 11 , 10 11 , 10 10
|
||||
*/
|
||||
rGPGCON = 0x01AAFE79;
|
||||
rGPGUP = 0x0000FFFF;
|
||||
/*
|
||||
* === PORT H GROUP
|
||||
* Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
|
||||
* Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
|
||||
* Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10
|
||||
*/
|
||||
/* pulldown on GPH08: UEXTCLK, just floats!
|
||||
* pulldown GPH0 -- nCTS0 / RTS_MODEM -- floats when GSM off
|
||||
* pulldown GPH3 -- RXD[0] / TX_MODEM -- floats when GSM off
|
||||
*/
|
||||
rGPHCON = 0x001AAAAA;
|
||||
rGPHUP = 0x000007FF & ~(1 << 8) & ~(1 << 0) & ~(1 << 3);
|
||||
|
||||
/* pulldown on GPJ00: input, just floats! */
|
||||
/* pulldown on GPJ07: WLAN module WLAN_GPIO0, no ext pull */
|
||||
rGPJCON = 0x1551544;
|
||||
rGPJUP = 0x1ffff & ~(1 << 0) & ~(1 << 7);
|
||||
rGPJDAT |= (1 << 4) | (1 << 6);
|
||||
/* Set GPJ4 to high (nGSM_EN) */
|
||||
/* Set GPJ6 to high (nDL_GSM) */
|
||||
rGPJDAT &= ~(1 << 5); /* Set GPJ5 to low 3D RST */
|
||||
|
||||
/* leaving Glamo forced to Reset# active here killed
|
||||
* U-Boot when you touched the memory region
|
||||
*/
|
||||
|
||||
rGPJDAT |= (1 << 5); /* Set GPJ5 to high 3D RST */
|
||||
}
|
||||
|
||||
|
||||
|
||||
void start_kboot(void)
|
||||
{
|
||||
void (*phase2)(void) = (void (*)(void))((int)bootloader_second_phase +
|
||||
@ -45,9 +161,16 @@ void start_kboot(void)
|
||||
stringify2(BUILD_VERSION)" "
|
||||
stringify2(BUILD_DATE)"\n");
|
||||
/*
|
||||
* pull the whole bootloader image into SDRAM
|
||||
* We got the first 4KBytes of the bootloader pulled into the
|
||||
* steppingstone SRAM for free. Now we pull the whole bootloader
|
||||
* image into SDRAM.
|
||||
*
|
||||
* So this doesn't trash position-dependent code, we took care in the
|
||||
* linker script to arrange all rodata* segment content to be in the
|
||||
* first 4K region.
|
||||
*/
|
||||
|
||||
/* We randomly pull 24KBytes of bootloader */
|
||||
if (nand_read_ll((unsigned char *)TEXT_BASE, 0, 24 * 1024) < 0)
|
||||
while(1)
|
||||
blink_led();
|
||||
|
Loading…
Reference in New Issue
Block a user