leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Adjust board_r.c for ppc

Browse Source 
This adds ppc features to the generic post-relocation board init.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2013-03-14 07:20:12 +00:00 committed by Tom Rini
parent e4fef6cfcc
commit c2240d4dbe
3 changed files with 485 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

480
common/board_r.c
View File

@ -27,25 +27,81 @@
*/
#include <common.h>
/* TODO: can we just include all these headers whether needed or not? */
#if defined(CONFIG_CMD_BEDBUG)
#include <bedbug/type.h>
#endif
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#endif
#include <environment.h>
#include <fdtdec.h>
#if defined(CONFIG_CMD_IDE)
#include <ide.h>
#endif
#include <initcall.h>
#ifdef CONFIG_PS2KBD
#include <keyboard.h>
#endif
#if defined(CONFIG_CMD_KGDB)
#include <kgdb.h>
#endif
#include <logbuff.h>
#include <malloc.h>
#ifdef CONFIG_BITBANGMII
#include <miiphy.h>
#endif
#include <mmc.h>
#include <nand.h>
#include <onenand_uboot.h>
#include <scsi.h>
#include <serial.h>
#include <spi.h>
#include <stdio_dev.h>
#include <watchdog.h>
#ifdef CONFIG_ADDR_MAP
#include <asm/mmu.h>
#endif
#include <asm/sections.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
ulong monitor_flash_len;
int __board_flash_wp_on(void)
{
/*
* Most flashes can't be detected when write protection is enabled,
* so provide a way to let U-Boot gracefully ignore write protected
* devices.
*/
return 0;
}
int board_flash_wp_on(void)
__attribute__ ((weak, alias("__board_flash_wp_on")));
void __cpu_secondary_init_r(void)
{
}
void cpu_secondary_init_r(void)
__attribute__ ((weak, alias("__cpu_secondary_init_r")));
static int initr_secondary_cpu(void)
{
/*
* after non-volatile devices & environment is setup and cpu code have
* another round to deal with any initialization that might require
* full access to the environment or loading of some image (firmware)
* from a non-volatile device
*/
/* TODO: maybe define this for all archs? */
cpu_secondary_init_r();
return 0;
}
static int initr_reloc(void)
{
@ -68,6 +124,11 @@ static int initr_caches(void)
}
#endif
__weak int fixup_cpu(void)
{
return 0;
}
static int initr_reloc_global_data(void)
{
#ifdef CONFIG_SYS_SYM_OFFSETS
@ -75,6 +136,31 @@ static int initr_reloc_global_data(void)
#else
monitor_flash_len = (ulong)&__init_end - gd->dest_addr;
#endif
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/*
* The gd->cpu pointer is set to an address in flash before relocation.
* We need to update it to point to the same CPU entry in RAM.
* TODO: why not just add gd->reloc_ofs?
*/
gd->arch.cpu += gd->dest_addr - CONFIG_SYS_MONITOR_BASE;
/*
* If we didn't know the cpu mask & # cores, we can save them of
* now rather than 'computing' them constantly
*/
fixup_cpu();
#endif
#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
/*
* Some systems need to relocate the env_addr pointer early because the
* location it points to will get invalidated before env_relocate is
* called. One example is on systems that might use a L2 or L3 cache
* in SRAM mode and initialize that cache from SRAM mode back to being
* a cache in cpu_init_r.
*/
gd->env_addr += gd->dest_addr - CONFIG_SYS_MONITOR_BASE;
#endif
return 0;
}
static int initr_serial(void)
@ -83,6 +169,27 @@ static int initr_serial(void)
return 0;
}
#ifdef CONFIG_PPC
static int initr_trap(void)
{
/*
* Setup trap handlers
*/
trap_init(gd->dest_addr);
return 0;
}
#endif
#ifdef CONFIG_ADDR_MAP
static int initr_addr_map(void)
{
init_addr_map();
return 0;
}
#endif
#ifdef CONFIG_LOGBUFFER
unsigned long logbuffer_base(void)
{
@ -104,6 +211,50 @@ static int initr_post_backlog(void)
}
#endif
#ifdef CONFIG_SYS_DELAYED_ICACHE
static int initr_icache_enable(void)
{
return 0;
}
#endif
#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
static int initr_unlock_ram_in_cache(void)
{
unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
return 0;
}
#endif
#ifdef CONFIG_PCI
static int initr_pci(void)
{
pci_init();
return 0;
}
#endif
#ifdef CONFIG_WINBOND_83C553
static int initr_w83c553f(void)
{
/*
* Initialise the ISA bridge
*/
initialise_w83c553f();
return 0;
}
#endif
static int initr_barrier(void)
{
#ifdef CONFIG_PPC
/* TODO: Can we not use dmb() macros for this? */
asm("sync ; isync");
#endif
return 0;
}
static int initr_malloc(void)
{
ulong malloc_start;
@ -128,13 +279,26 @@ static int initr_announce(void)
#if !defined(CONFIG_SYS_NO_FLASH)
static int initr_flash(void)
{
ulong flash_size;
ulong flash_size = 0;
bd_t *bd = gd->bd;
int ok;
puts("Flash: ");
flash_size = flash_init();
if (flash_size <= 0) {
if (board_flash_wp_on()) {
printf("Uninitialized - Write Protect On\n");
/* Since WP is on, we can't find real size. Set to 0 */
ok = 1;
} else {
flash_size = flash_init();
ok = flash_size > 0;
}
if (!ok) {
puts("*** failed ***\n");
#ifdef CONFIG_PPC
/* Why does PPC do this? */
hang();
#endif
return -1;
}
print_size(flash_size, "");
@ -152,6 +316,39 @@ static int initr_flash(void)
#endif /* CONFIG_SYS_FLASH_CHECKSUM */
putc('\n');
/* update start of FLASH memory */
#ifdef CONFIG_SYS_FLASH_BASE
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#endif
/* size of FLASH memory (final value) */
bd->bi_flashsize = flash_size;
#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
/* Make a update of the Memctrl. */
update_flash_size(flash_size);
#endif
#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
/* flash mapped at end of memory map */
bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
#endif
return 0;
}
#endif
#ifdef CONFIG_PPC
static int initr_spi(void)
{
/* PPC does this here */
#ifdef CONFIG_SPI
#if !defined(CONFIG_ENV_IS_IN_EEPROM)
spi_init_f();
#endif
spi_init_r();
#endif
return 0;
}
#endif
@ -226,9 +423,56 @@ static int initr_env(void)
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#if defined(CONFIG_SYS_EXTBDINFO)
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
#if defined(CONFIG_I2CFAST)
/*
* set bi_iic_fast for linux taking environment variable
* "i2cfast" into account
*/
{
char *s = getenv("i2cfast");
if (s && ((*s == 'y') || (*s == 'Y'))) {
gd->bd->bi_iic_fast[0] = 1;
gd->bd->bi_iic_fast[1] = 1;
}
}
#endif /* CONFIG_I2CFAST */
#endif /* CONFIG_405GP, CONFIG_405EP */
#endif /* CONFIG_SYS_EXTBDINFO */
return 0;
}
#ifdef CONFIG_HERMES
static int initr_hermes(void)
{
if ((gd->board_type >> 16) == 2)
gd->bd->bi_ethspeed = gd->board_type & 0xFFFF;
else
gd->bd->bi_ethspeed = 0xFFFF;
return 0;
}
static int initr_hermes_start(void)
{
if (gd->bd->bi_ethspeed != 0xFFFF)
hermes_start_lxt980((int) gd->bd->bi_ethspeed);
return 0;
}
#endif
#ifdef CONFIG_SC3
/* TODO: with new initcalls, move this into the driver */
extern void sc3_read_eeprom(void);
static int initr_sc3_read_eeprom(void)
{
sc3_read_eeprom();
return 0;
}
#endif
static int initr_jumptable(void)
{
jumptable_init();
@ -269,11 +513,68 @@ static int initr_enable_interrupts(void)
#ifdef CONFIG_CMD_NET
static int initr_ethaddr(void)
{
bd_t *bd = gd->bd;
/* kept around for legacy kernels only ... ignore the next section */
eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
#ifdef CONFIG_HAS_ETH1
eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
#endif
#ifdef CONFIG_HAS_ETH2
eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
#endif
#ifdef CONFIG_HAS_ETH3
eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
#endif
#ifdef CONFIG_HAS_ETH4
eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
#endif
#ifdef CONFIG_HAS_ETH5
eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
#endif
return 0;
}
#endif /* CONFIG_CMD_NET */
#ifdef CONFIG_CMD_KGDB
static int initr_kgdb(void)
{
puts("KGDB: ");
kgdb_init();
return 0;
}
#endif
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
static int initr_status_led(void)
{
status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
return 0;
}
#endif
#if defined(CONFIG_CMD_SCSI)
static int initr_scsi(void)
{
/* Not supported properly on ARM yet */
#ifndef CONFIG_ARM
puts("SCSI: ");
scsi_init();
#endif
return 0;
}
#endif /* CONFIG_CMD_NET */
#if defined(CONFIG_CMD_DOC)
static int initr_doc(void)
{
puts("DOC: ");
doc_init();
}
#endif
#ifdef CONFIG_BITBANGMII
static int initr_bbmii(void)
{
@ -303,6 +604,33 @@ static int initr_post(void)
}
#endif
#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
static int initr_pcmcia(void)
{
puts("PCMCIA:");
pcmcia_init();
return 0;
}
#endif
#if defined(CONFIG_CMD_IDE)
static int initr_ide(void)
{
#ifdef CONFIG_IDE_8xx_PCCARD
puts("PCMCIA:");
#else
puts("IDE: ");
#endif
#if defined(CONFIG_START_IDE)
if (board_start_ide())
ide_init();
#else
ide_init();
#endif
return 0;
}
#endif
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
/*
* Export available size of memory for Linux, taking into account the
@ -322,6 +650,37 @@ int initr_mem(void)
# endif
sprintf(memsz, "%ldk", (gd->ram_size / 1024) - pram);
setenv("mem", memsz);
return 0;
}
#endif
#ifdef CONFIG_CMD_BEDBUG
static int initr_bedbug(void)
{
bedbug_init();
return 0;
}
#endif
#ifdef CONFIG_PS2KBD
static int initr_kbd(void)
{
puts("PS/2: ");
kbd_init();
return 0;
}
#endif
#ifdef CONFIG_MODEM_SUPPORT
static int initr_modem(void)
{
/* TODO: with new initcalls, move this into the driver */
extern int do_mdm_init;
do_mdm_init = gd->do_mdm_init;
return 0;
}
#endif
@ -339,22 +698,63 @@ static int run_main_loop(void)
*
* We also hope to remove most of the driver-related init and do it if/when
* the driver is later used.
*
* TODO: perhaps reset the watchdog in the initcall function after each call?
*/
init_fnc_t init_sequence_r[] = {
initr_reloc,
/* TODO: could x86/PPC have this also perhaps? */
#ifdef CONFIG_ARM
initr_caches,
board_init, /* Setup chipselects */
#endif
/*
* TODO: printing of the clock inforamtion of the board is now
* implemented as part of bdinfo command. Currently only support for
* davinci SOC's is added. Remove this check once all the board
* implement this.
*/
#ifdef CONFIG_CLOCKS
set_cpu_clk_info, /* Setup clock information */
#endif
initr_reloc_global_data,
initr_serial,
initr_announce,
INIT_FUNC_WATCHDOG_RESET
#ifdef CONFIG_PPC
initr_trap,
#endif
#ifdef CONFIG_ADDR_MAP
initr_addr_map,
#endif
#if defined(CONFIG_BOARD_EARLY_INIT_R)
board_early_init_r,
#endif
INIT_FUNC_WATCHDOG_RESET
#ifdef CONFIG_LOGBUFFER
initr_logbuffer,
#endif
#ifdef CONFIG_POST
initr_post_backlog,
#endif
INIT_FUNC_WATCHDOG_RESET
#ifdef CONFIG_SYS_DELAYED_ICACHE
initr_icache_enable,
#endif
#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
initr_unlock_ram_in_cache,
#endif
#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
/*
* Do early PCI configuration _before_ the flash gets initialised,
* because PCU ressources are crucial for flash access on some boards.
*/
initr_pci,
#endif
#ifdef CONFIG_WINBOND_83C553
initr_w83c553f,
#endif
initr_barrier,
initr_malloc,
#ifdef CONFIG_ARCH_EARLY_INIT_R
arch_early_init_r,
@ -362,6 +762,12 @@ init_fnc_t init_sequence_r[] = {
power_init_board,
#ifndef CONFIG_SYS_NO_FLASH
initr_flash,
#endif
INIT_FUNC_WATCHDOG_RESET
#ifdef CONFIG_PPC
/* initialize higher level parts of CPU like time base and timers */
cpu_init_r,
initr_spi,
#endif
#ifdef CONFIG_CMD_NAND
initr_nand,
@ -376,6 +782,24 @@ init_fnc_t init_sequence_r[] = {
initr_dataflash,
#endif
initr_env,
INIT_FUNC_WATCHDOG_RESET
initr_secondary_cpu,
#ifdef CONFIG_SC3
initr_sc3_read_eeprom,
#endif
#ifdef CONFIG_HERMES
initr_hermes,
#endif
#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
mac_read_from_eeprom,
#endif
INIT_FUNC_WATCHDOG_RESET
#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
/*
* Do pci configuration
*/
initr_pci,
#endif
stdio_init,
initr_jumptable,
#ifdef CONFIG_API
@ -390,23 +814,73 @@ init_fnc_t init_sequence_r[] = {
#endif
#ifdef CONFIG_MISC_INIT_R
misc_init_r, /* miscellaneous platform-dependent init */
#endif
#ifdef CONFIG_HERMES
initr_hermes_start,
#endif
INIT_FUNC_WATCHDOG_RESET
#ifdef CONFIG_CMD_KGDB
initr_kgdb,
#endif
interrupt_init,
#ifdef CONFIG_ARM
initr_enable_interrupts,
#endif
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
initr_status_led,
#endif
/* PPC has a udelay(20) here dating from 2002. Why? */
#ifdef CONFIG_CMD_NET
initr_ethaddr,
#endif
#ifdef CONFIG_BOARD_LATE_INIT
board_late_init,
#endif
#ifdef CONFIG_CMD_SCSI
INIT_FUNC_WATCHDOG_RESET
initr_scsi,
#endif
#ifdef CONFIG_CMD_DOC
INIT_FUNC_WATCHDOG_RESET
initr_doc,
#endif
#ifdef CONFIG_BITBANGMII
initr_bbmii,
#endif
#ifdef CONFIG_CMD_NET
INIT_FUNC_WATCHDOG_RESET
initr_net,
#endif
#ifdef CONFIG_POST
initr_post,
#endif
#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
initr_pcmcia,
#endif
#if defined(CONFIG_CMD_IDE)
initr_ide,
#endif
#ifdef CONFIG_LAST_STAGE_INIT
INIT_FUNC_WATCHDOG_RESET
/*
* Some parts can be only initialized if all others (like
* Interrupts) are up and running (i.e. the PC-style ISA
* keyboard).
*/
last_stage_init,
#endif
#ifdef CONFIG_CMD_BEDBUG
INIT_FUNC_WATCHDOG_RESET
initr_bedbug,
#endif
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
initr_mem,
#endif
#ifdef CONFIG_PS2KBD
initr_kbd,
#endif
#ifdef CONFIG_MODEM_SUPPORT
initr_modem,
#endif
run_main_loop,
};

1
include/common.h
View File

@ -312,6 +312,7 @@ int mac_read_from_eeprom(void);
extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */
int set_cpu_clk_info(void);
int print_cpuinfo(void);
int update_flash_size(int flash_size);
/**
* Show the DRAM size in a board-specific way

7
include/ide.h
View File

@ -85,4 +85,11 @@ void ide_output_data(int dev, const ulong *sect_buf, int words);
void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
/**
* board_start_ide() - Start up the board IDE interfac
*
* @return 0 if ok
*/
int board_start_ide(void);
#endif /* _IDE_H */