qi-hardware/xburst-tools
1
0
Fork 0
mirror of git://projects.qi-hardware.com/xburst-tools.git synced 2024-11-25 18:05:00 +02:00
Code

add-comments-and-tidy.patch

Browse Source 
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:
Andy Green 2008-08-13 00:45:55 +01:00
parent 4391a52819
commit b8407950d8
6 changed files with 204 additions and 145 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
qiboot/include/device_configuration.h Normal file
View File

@ -0,0 +1,15 @@
/* define the easily changed settings for the device here */
#define CFG_NAND_OFFSET_FOR_KERNEL_PARTITION 0x80000
#define CFG_LINUX_MACHINE_ID 1304
#define CFG_LINUX_ATAG_ADDRESS 0x30000100
#define CFG_LINUX_CMDLINE "rootfstype=ext2 " \
"root=/dev/mmcblk0p1 " \
"console=ttySAC2,115200 " \
"loglevel=8 " \
"init=/sbin/init ro"
#define CFG_LINUX_BIGGEST_KERNEL (4 * 1024 * 1024)
#define CFG_MACHINE_REVISION 0x350
#define CFG_MEMORY_REGION_START 0x30000000
#define CFG_MEMORY_REGION_SIZE (128 * 1024 * 1024)

5
qiboot/src/kboot-stage1.lds
View File

@ -29,6 +29,11 @@ SECTIONS
{ {
. = 0x00000000; . = 0x00000000;
/* this is intended to take the first 4KBytes of stuff initially.
* We have to make sure we have .rodata* in there for everything
* because we do not compile PIC.
*/
. = ALIGN(4); . = ALIGN(4);
.text : .text :
{ {

19
qiboot/src/kboot.h
View File

@ -1,3 +1,22 @@
/*
* (C) Copyright 2008 Openmoko, Inc.
* Author: Andy Green <andy@openmoko.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __KBOOT_H__ #ifndef __KBOOT_H__
#define __KBOOT_H__ #define __KBOOT_H__

66
qiboot/src/phase2.c
View File

@ -1,3 +1,26 @@
/*
* (C) Copyright 2008 Openmoko, Inc.
* Author: Andy Green <andy@openmoko.org>
*
* Parse the U-Boot header and Boot Linux
* based on various code from U-Boot
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "kboot.h" #include "kboot.h"
#include <neo_gta02.h> #include <neo_gta02.h>
#include "blink_led.h" #include "blink_led.h"
@ -12,32 +35,26 @@ typedef unsigned int uint32_t;
#include <setup.h> #include <setup.h>
#include "nand_read.h" #include "nand_read.h"
/* See also ARM920T Technical reference Manual */ #include <device_configuration.h>
#define C1_MMU (1<<0) /* mmu off/on */
#define C1_ALIGN (1<<1) /* alignment faults off/on */
#define C1_DC (1<<2) /* dcache off/on */
#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */ #define C1_DC (1<<2) /* dcache off/on */
#define C1_SYS_PROT (1<<8) /* system protection */
#define C1_ROM_PROT (1<<9) /* ROM protection */
#define C1_IC (1<<12) /* icache off/on */ #define C1_IC (1<<12) /* icache off/on */
#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */
void bootloader_second_phase(void) void bootloader_second_phase(void)
{ {
image_header_t *hdr; image_header_t *hdr;
unsigned long i = 0; unsigned long i = 0;
int machid = 1304; /* GTA02 */ void (*the_kernel)(int zero, int arch, uint params);
void (*theKernel)(int zero, int arch, uint params); struct tag * params_base = (struct tag *)CFG_LINUX_ATAG_ADDRESS;
struct tag * params_base = (struct tag *)0x30000100; /* atags need to live here */
struct tag *params = params_base; struct tag *params = params_base;
const char * cmdline = "rootfstype=ext2 root=/dev/mmcblk0p1 console=ttySAC2,115200 loglevel=8 init=/sbin/init ro"; const char * cmdline = CFG_LINUX_CMDLINE;
const char *p = cmdline; const char *p = cmdline;
void * kernel_nand = (void *)(TEXT_BASE - 4 * 1024 * 1024); void * kernel_nand = (void *)(TEXT_BASE - CFG_LINUX_BIGGEST_KERNEL);
puts("Checking kernel... "); puts("Checking kernel... ");
if (nand_read_ll(kernel_nand, 0x80000, 4096) < 0) { if (nand_read_ll(kernel_nand, CFG_NAND_OFFSET_FOR_KERNEL_PARTITION,
4096) < 0) {
puts ("Kernel header read failed\n"); puts ("Kernel header read failed\n");
goto unhappy; goto unhappy;
} }
@ -54,18 +71,17 @@ void bootloader_second_phase(void)
puts("Fetching kernel..."); puts("Fetching kernel...");
if (nand_read_ll(kernel_nand, 0x80000, ((32 * 1024) + if (nand_read_ll(kernel_nand, CFG_NAND_OFFSET_FOR_KERNEL_PARTITION,
(_ntohl(hdr->ih_size) + ((32 * 1024) + (_ntohl(hdr->ih_size) + sizeof(hdr) + 2048)) &
sizeof(hdr) + 2048)) & ~(2048 - 1)) < 0) {
~(2048 - 1)) < 0) {
puts ("Kernel body read failed\n"); puts ("Kernel body read failed\n");
goto unhappy; goto unhappy;
} }
puts(" Done"); puts(" Done");
theKernel = (void (*)(int, int, uint)) the_kernel = (void (*)(int, int, uint))
(((char *)hdr) + sizeof(image_header_t)); (((char *)hdr) + sizeof(image_header_t));
/* first tag */ /* first tag */
params->hdr.tag = ATAG_CORE; params->hdr.tag = ATAG_CORE;
@ -78,14 +94,14 @@ void bootloader_second_phase(void)
/* revision tag */ /* revision tag */
params->hdr.tag = ATAG_REVISION; params->hdr.tag = ATAG_REVISION;
params->hdr.size = tag_size (tag_revision); params->hdr.size = tag_size (tag_revision);
params->u.revision.rev = 0x350; params->u.revision.rev = CFG_MACHINE_REVISION;
params = tag_next (params); params = tag_next (params);
/* memory tags */ /* memory tags */
params->hdr.tag = ATAG_MEM; params->hdr.tag = ATAG_MEM;
params->hdr.size = tag_size (tag_mem32); params->hdr.size = tag_size (tag_mem32);
params->u.mem.start = 0x30000000; params->u.mem.start = CFG_MEMORY_REGION_START;
params->u.mem.size = 128 * 1024 * 1024; params->u.mem.size = CFG_MEMORY_REGION_SIZE;
params = tag_next (params); params = tag_next (params);
/* kernel commandline */ /* kernel commandline */
@ -104,7 +120,7 @@ void bootloader_second_phase(void)
params->hdr.tag = ATAG_NONE; params->hdr.tag = ATAG_NONE;
params->hdr.size = 0; params->hdr.size = 0;
puts ("Running Linux...\n\n"); puts ("Running Linux --->\n\n");
/* trash the cache */ /* trash the cache */
@ -119,7 +135,7 @@ void bootloader_second_phase(void)
/* ooh that's it, we're gonna try boot this image! */ /* ooh that's it, we're gonna try boot this image! */
theKernel(0, machid, (unsigned int)params_base); the_kernel(0, CFG_LINUX_MACHINE_ID, (unsigned int)params_base);
/* that didn't quite pan out */ /* that didn't quite pan out */

119
qiboot/src/serial.c
View File

@ -74,122 +74,3 @@ void serial_putc (const int uart,const char c)
break; break;
} }
} }
/*
* =====================================================================
* PORTS Librarues
* =====================================================================
*/
void port_init(void)
{
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value(GPnDAT)
// 2) setting control register (GPnCON)
// 3) configure pull-up resistor(GPnUP)
/* 32bit data bus configuration */
/*
* === PORT A GROUP
* Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
* Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
* Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
* Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
* Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
* Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
*/
rGPACON = 0x007E5FFF;
rGPADAT |= (1 << 16); /* Set GPA16 to high (nNAND_WP) */
/*
* ===* PORT B GROUP
* Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
* Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
* Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
* Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
*/
rGPBCON = 0x00155555;
rGPBUP = 0x000007FF;
/*
* === PORT C GROUP
* Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
* Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
*/
rGPCCON = 0x55555155;
rGPCUP = 0x0000FFFF & ~(1 << 5);
rGPCDAT |= (1 << 13) | (1 << 15); /* index detect -> hi */
/*
* === PORT D GROUP
* Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
* Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
*/
rGPDCON = 0x55555555;
rGPDUP = 0x0000FFFF;
rGPDDAT |= (1 << 0) | (1 << 3) | (1 << 4); /* index detect -> hi */
/*
* === PORT E GROUP
* Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
* Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
* -------------------------------------------------------------------------------------------------------
* Ports : GPE3 GPE2 GPE1 GPE0
* Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
* Binary : 10 10 , 10 10
*/
rGPECON = 0xAAAAAAAA;
rGPEUP = 0x0000FFFF & ~(1 << 11);
/*
* === 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 */
}

125
qiboot/src/start_kboot.c
View File

@ -1,6 +1,7 @@
/* /*
* (C) Copyright 2007 OpenMoko, Inc. * (C) Copyright 2007 OpenMoko, Inc.
* Author: xiangfu liu <xiangfu@openmoko.org> * Author: xiangfu liu <xiangfu@openmoko.org>
* Andy Green <andy@openmoko.com>
* *
* Configuation settings for the OPENMOKO Neo GTA02 Linux GSM phone * Configuation settings for the OPENMOKO Neo GTA02 Linux GSM phone
* *
@ -33,6 +34,121 @@
extern void bootloader_second_phase(void); extern void bootloader_second_phase(void);
void port_init(void)
{
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value(GPnDAT)
// 2) setting control register (GPnCON)
// 3) configure pull-up resistor(GPnUP)
/* 32bit data bus configuration */
/*
* === PORT A GROUP
* Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
* Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
* Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
* Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
* Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
* Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
*/
rGPACON = 0x007E5FFF;
rGPADAT |= (1 << 16); /* Set GPA16 to high (nNAND_WP) */
/*
* ===* PORT B GROUP
* Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
* Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
* Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
* Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
*/
rGPBCON = 0x00155555;
rGPBUP = 0x000007FF;
/*
* === PORT C GROUP
* Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
* Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
*/
rGPCCON = 0x55555155;
rGPCUP = 0x0000FFFF & ~(1 << 5);
rGPCDAT |= (1 << 13) | (1 << 15); /* index detect -> hi */
/*
* === PORT D GROUP
* Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
* Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
*/
rGPDCON = 0x55555555;
rGPDUP = 0x0000FFFF;
rGPDDAT |= (1 << 0) | (1 << 3) | (1 << 4); /* index detect -> hi */
/*
* === PORT E GROUP
* Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
* Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
* -------------------------------------------------------------------------------------------------------
* Ports : GPE3 GPE2 GPE1 GPE0
* Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
* Binary : 10 10 , 10 10
*/
rGPECON = 0xAAAAAAAA;
rGPEUP = 0x0000FFFF & ~(1 << 11);
/*
* === 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 start_kboot(void)
{ {
void (*phase2)(void) = (void (*)(void))((int)bootloader_second_phase + void (*phase2)(void) = (void (*)(void))((int)bootloader_second_phase +
@ -45,9 +161,16 @@ void start_kboot(void)
stringify2(BUILD_VERSION)" " stringify2(BUILD_VERSION)" "
stringify2(BUILD_DATE)"\n"); 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) if (nand_read_ll((unsigned char *)TEXT_BASE, 0, 24 * 1024) < 0)
while(1) while(1)
blink_led(); blink_led();