Merge branch 'master' of git://www.denx.de/git/u-boot-ppc4xx

This commit is contained in:
Wolfgang Denk 2008-04-29 20:06:42 +02:00
commit 8466647684
7 changed files with 31 additions and 45 deletions

View file

@ -34,6 +34,7 @@
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/io.h>
#include <asm/cache.h>
#include <ppc440.h>
#include <watchdog.h>
@ -59,7 +60,6 @@
extern int denali_wait_for_dlllock(void);
extern void denali_core_search_data_eye(void);
extern void dcbz_area(u32 start_address, u32 num_bytes);
extern void dflush(void);
static u32 is_ecc_enabled(void)
{
@ -106,6 +106,7 @@ static void program_ecc(u32 start_address,
{
u32 val;
u32 current_addr = start_address;
u32 size;
int bytes_remaining;
sync();
@ -123,12 +124,18 @@ static void program_ecc(u32 start_address,
* watchdog.
*/
while (bytes_remaining > 0) {
dcbz_area(current_addr, min((64 << 20), bytes_remaining));
size = min((64 << 20), bytes_remaining);
/* Write zero's to SDRAM */
dcbz_area(current_addr, size);
/* Write modified dcache lines back to memory */
clean_dcache_range(current_addr, current_addr + size);
current_addr += 64 << 20;
bytes_remaining -= 64 << 20;
WATCHDOG_RESET();
}
dflush();
sync();
wait_ddr_idle();

View file

@ -34,11 +34,11 @@
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <asm/cache.h>
#include <ppc440.h>
void hcu_led_set(u32 value);
void dcbz_area(u32 start_address, u32 num_bytes);
void dflush(void);
#define DDR_DCR_BASE 0x10
#define ddrcfga (DDR_DCR_BASE+0x0) /* DDR configuration address reg */
@ -185,14 +185,14 @@ static void program_ecc(unsigned long start_address, unsigned long num_bytes)
#endif
sync();
eieio();
puts(str);
/* ECC bit set method for cached memory */
/* Fast method, no noticeable delay */
dcbz_area(start_address, num_bytes);
dflush();
/* Write modified dcache lines back to memory */
clean_dcache_range(start_address, start_address + num_bytes);
blank_string(strlen(str));
/* Clear error status */

View file

@ -40,6 +40,7 @@
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/cache.h>
#if defined(CONFIG_SPD_EEPROM) && \
(defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
@ -237,7 +238,6 @@ static void DQS_calibration_process(void);
static void ppc440sp_sdram_register_dump(void);
int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
void dcbz_area(u32 start_address, u32 num_bytes);
void dflush(void);
static u32 mfdcr_any(u32 dcr)
{
@ -2355,7 +2355,8 @@ static void program_ecc_addr(unsigned long start_address,
} else {
/* ECC bit set method for cached memory */
dcbz_area(start_address, num_bytes);
dflush();
/* Write modified dcache lines back to memory */
clean_dcache_range(start_address, start_address + num_bytes);
}
blank_string(strlen(str));

View file

@ -45,6 +45,7 @@
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/cache.h>
#if defined(CONFIG_SPD_EEPROM) && \
(defined(CONFIG_440EPX) || defined(CONFIG_440GRX))
@ -92,7 +93,6 @@
extern int denali_wait_for_dlllock(void);
extern void denali_core_search_data_eye(void);
extern void dcbz_area(u32 start_address, u32 num_bytes);
extern void dflush(void);
/*
* Board-specific Platform code can reimplement spd_ddr_init_hang () if needed
@ -1201,7 +1201,8 @@ long int initdram(int board_type)
#else
#error Please define CFG_MEM_TOP_HIDE (see README) in your board config file
#endif
dflush();
/* Write modified dcache lines back to memory */
clean_dcache_range(CFG_SDRAM_BASE, CFG_SDRAM_BASE + dram_size - CFG_MEM_TOP_HIDE);
debug("Completed\n");
sync();
remove_tlb(CFG_SDRAM_BASE, dram_size);

View file

@ -83,8 +83,14 @@ void ft_cpu_setup(void *blob, bd_t *bd)
bd->bi_intfreq, 1);
do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
if (fdt_path_offset(blob, "/plb/opb/ebc") >= 0)
do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
sys_info.freqEBC, 1);
else
do_fixup_by_path_u32(blob, "/plb/ebc", "clock-frequency",
sys_info.freqEBC, 1);
fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
/*

View file

@ -1675,35 +1675,6 @@ trap_reloc:
sync
blr
function_epilog(dcbz_area)
/*----------------------------------------------------------------------------+
| dflush. Assume 32K at vector address is cachable.
+----------------------------------------------------------------------------*/
function_prolog(dflush)
mfmsr r9
rlwinm r8,r9,0,15,13
rlwinm r8,r8,0,17,15
mtmsr r8
mfspr r8,dvlim
addi r3,r0,0x0000
mtspr dvlim,r3
mfspr r3,ivpr
addi r4,r0,1024
mtctr r4
..dflush_loop:
lwz r6,0x0(r3)
addi r3,r3,32
bdnz ..dflush_loop
addi r3,r3,-32
mtctr r4
..ag: dcbf r0,r3
addi r3,r3,-32
bdnz ..ag
mtspr dvlim,r8
sync
mtmsr r9
blr
function_epilog(dflush)
#endif /* CONFIG_440 */
#endif /* CONFIG_NAND_SPL */

View file

@ -48,12 +48,8 @@
* Base addresses -- Note these are effective addresses where the
* actual resources get mapped (not physical addresses)
*----------------------------------------------------------------------*/
#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN (512 * 1024) /* Reserve 512 kB for malloc */
#define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */
#define CFG_FLASH_BASE 0xff000000 /* start of FLASH */
#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_PERIPHERAL_BASE 0xa0000000 /* internal peripherals */
#define CFG_ISRAM_BASE 0x90000000 /* internal SRAM */
@ -82,6 +78,10 @@
#define CFG_ACE_BASE 0xfe000000 /* Xilinx ACE controller - Compact Flash */
#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_MONITOR_LEN (0xFFFFFFFF - CFG_MONITOR_LEN + 1)
#define CFG_MALLOC_LEN (512 * 1024) /* Reserve 512 kB for malloc */
/*-----------------------------------------------------------------------
* Initial RAM & stack pointer (placed in internal SRAM)
*----------------------------------------------------------------------*/