#include <asm/processor.h>
#include <asm/io.h>
#include <asm/mmu.h>
-#include <ppc440.h>
+#include <asm/cache.h>
+#include <asm/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 */
-#define ddrcfgd (DDR_DCR_BASE+0x1) /* DDR configuration data reg */
-
-#define DDR0_01_INT_MASK_MASK 0x000000FF
-#define DDR0_00_INT_ACK_ALL 0x7F000000
-#define DDR0_01_INT_MASK_ALL_ON 0x000000FF
-#define DDR0_01_INT_MASK_ALL_OFF 0x00000000
-
-#define DDR0_17_DLLLOCKREG_MASK 0x00010000 /* Read only */
-#define DDR0_17_DLLLOCKREG_UNLOCKED 0x00000000
-#define DDR0_17_DLLLOCKREG_LOCKED 0x00010000
-
-#define DDR0_22 0x16
-/* ECC */
-#define DDR0_22_CTRL_RAW_MASK 0x03000000
-#define DDR0_22_CTRL_RAW_ECC_DISABLE 0x00000000 /* ECC not enabled */
-#define DDR0_22_CTRL_RAW_ECC_CHECK_ONLY 0x01000000 /* ECC no correction */
-#define DDR0_22_CTRL_RAW_NO_ECC_RAM 0x02000000 /* Not a ECC RAM*/
-#define DDR0_22_CTRL_RAW_ECC_ENABLE 0x03000000 /* ECC correcting on */
-#define DDR0_03_CASLAT_DECODE(n) ((((unsigned long)(n))>>16)&0x7)
+
+#define ECC_RAM 0x03267F0B
+#define NO_ECC_RAM 0x00267F0B
+
+#define HCU_HW_SDRAM_CONFIG_MASK 0x7
#define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE
/* disable caching on DDR2 */
-void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value);
-
void board_add_ram_info(int use_default)
{
PPC4xx_SYS_INFO board_cfg;
u32 val;
+
mfsdram(DDR0_22, val);
val &= DDR0_22_CTRL_RAW_MASK;
switch (val) {
}
get_sys_info(&board_cfg);
- printf(", %d MHz", (board_cfg.freqPLB * 2) / 1000000);
+ printf(", %lu MHz", (board_cfg.freqPLB * 2) / 1000000);
mfsdram(DDR0_03, val);
val = DDR0_03_CASLAT_DECODE(val);
/* -----------------------------------------------------------+
* Wait for the DCC master delay line to finish calibration
* ----------------------------------------------------------*/
- mtdcr(ddrcfga, DDR0_17);
+ mtdcr(SDRAM0_CFGADDR, DDR0_17);
val = DDR0_17_DLLLOCKREG_UNLOCKED;
while (wait != 0xffff) {
- val = mfdcr(ddrcfgd);
+ val = mfdcr(SDRAM0_CFGDATA);
if ((val & DDR0_17_DLLLOCKREG_MASK) ==
DDR0_17_DLLLOCKREG_LOCKED)
/* dlllockreg bit on */
}
#ifdef CONFIG_DDR_ECC
-static void blank_string(int size)
+void blank_string(int size)
{
int i;
u32 val;
char str[] = "ECC generation -";
#if defined(CONFIG_PRAM)
- u32 *magic;
-
- /* Check whether vxWorks is using EDR logging, if yes zero */
- /* also PostMortem and user reserved memory */
- magic= in_be32(start_address + num_bytes -
- (CONFIG_PRAM*1024) + sizeof(u32));
-
- debug("\n%s: CONFIG_PRAM %d kB magic 0x%x 0x%p -> 0x%x\n", __FUNCTION__,
- CONFIG_PRAM,
- start_address + num_bytes - (CONFIG_PRAM*1024) + sizeof(u32),
- magic, in_be32(magic));
- if (in_be32(magic) == 0xbeefbabe)
- num_bytes -= (CONFIG_PRAM*1024) - PM_RESERVED_MEM;
+ u32 *magicPtr;
+ u32 magic;
+
+ if ((mfspr(SPRN_DBCR0) & 0x80000000) == 0) {
+ /* only if no external debugger is alive!
+ * Check whether vxWorks is using EDR logging, if yes zero
+ * also PostMortem and user reserved memory
+ */
+ magicPtr = (u32 *)(start_address + num_bytes -
+ (CONFIG_PRAM*1024) + sizeof(u32));
+ magic = in_be32(magicPtr);
+ debug("%s: CONFIG_PRAM %d kB magic 0x%x 0x%p\n",
+ __FUNCTION__, CONFIG_PRAM,
+ magicPtr, magic);
+ if (magic == 0xbeefbabe) {
+ printf("%s: preserving at %p\n", __FUNCTION__, magicPtr);
+ num_bytes -= (CONFIG_PRAM*1024) - PM_RESERVED_MEM;
+ }
+ }
#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 */
* If not done, then we could get an interrupt later on when
* exceptions are enabled.
*/
- mtspr(mcsr, mfspr(mcsr));
+ mtspr(SPRN_MCSR, mfspr(SPRN_MCSR));
/* Set 'int_mask' parameter to functionnal value */
mfsdram(DDR0_01, val);
return;
}
-
#endif
* initdram -- 440EPx's DDR controller is a DENALI Core
*
************************************************************************/
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
-#define HCU_HW_SDRAM_CONFIG_MASK 0x7
-#define INVALID_HW_CONFIG "Invalid HW-Config"
- u16 *hwVersReg = (u16 *) HCU_HW_VERSION_REGISTER;
unsigned int dram_size = 0;
mtsdram(DDR0_02, 0x00000000);
mtsdram(DDR0_03, 0x02030602);
mtsdram(DDR0_04, 0x0A020200);
mtsdram(DDR0_05, 0x02020307);
- switch (*hwVersReg & HCU_HW_SDRAM_CONFIG_MASK) {
+ switch (in_be16((u16 *)HCU_HW_VERSION_REGISTER) & HCU_HW_SDRAM_CONFIG_MASK) {
case 1:
dram_size = 256 * 1024 * 1024 ;
mtsdram(DDR0_06, 0x0102C812); /* 256MB RAM */
mtsdram(DDR0_19, 0x1D1D1D1D);
mtsdram(DDR0_20, 0x0B0B0B0B);
mtsdram(DDR0_21, 0x0B0B0B0B);
- #define ECC_RAM 0x03267F0B
- #define NO_ECC_RAM 0x00267F0B
#ifdef CONFIG_DDR_ECC
mtsdram(DDR0_22, ECC_RAM);
#else
/*
* Program tlb entries for this size (dynamic)
*/
- remove_tlb(CFG_SDRAM_BASE, 256 << 20);
+ remove_tlb(CONFIG_SYS_SDRAM_BASE, 256 << 20);
program_tlb(0, 0, dram_size, TLB_WORD2_W_ENABLE | TLB_WORD2_I_ENABLE);
/*
* Setup 2nd TLB with same physical address but different virtual
* address with cache enabled. This is done for fast ECC generation.
*/
- program_tlb(0, CFG_DDR_CACHED_ADDR, dram_size, 0);
+ program_tlb(0, CONFIG_SYS_DDR_CACHED_ADDR, dram_size, 0);
#ifdef CONFIG_DDR_ECC
/*
* If ECC is enabled, initialize the parity bits.
*/
- program_ecc(CFG_DDR_CACHED_ADDR, dram_size);
+ program_ecc(CONFIG_SYS_DDR_CACHED_ADDR, dram_size);
#endif
return (dram_size);
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