#undef DEBUG
#include <common.h>
-#include <ppc4xx.h>
+#include <asm/ppc4xx.h>
#include <asm/io.h>
#include <asm/processor.h>
#include "ecc.h"
-#if defined(CONFIG_PPC4xx_DDR_AUTOCALIBRATION)
-
/*
* Only compile the DDR auto-calibration code for NOR boot and
* not for NAND boot (NAND SPL and NAND U-Boot - NUB)
u32 flags;
};
-struct sdram_timing {
- u32 wrdtr;
- u32 clktr;
-};
-
struct sdram_timing_clks {
u32 wrdtr;
u32 clktr;
spd_ddr_init_hang(void) __attribute__((weak, alias("__spd_ddr_init_hang")));
#endif /* defined(CONFIG_SPD_EEPROM) */
-ulong __ddr_scan_option(ulong default_val)
+struct sdram_timing *__ddr_scan_option(struct sdram_timing *default_val)
{
return default_val;
}
-ulong ddr_scan_option(ulong) __attribute__((weak, alias("__ddr_scan_option")));
+struct sdram_timing *ddr_scan_option(struct sdram_timing *)
+ __attribute__((weak, alias("__ddr_scan_option")));
u32 __ddr_rdss_opt(u32 default_val)
{
debug("\n\n");
+#if defined(CONFIG_DDR_RFDC_FIXED)
+ mtsdram(SDRAM_RFDC, CONFIG_DDR_RFDC_FIXED);
+ size = 512;
+ rffd_average = CONFIG_DDR_RFDC_FIXED & SDRAM_RFDC_RFFD_MASK;
+ mfsdram(SDRAM_RDCC, rdcc); /* record this value */
+ cal->rdcc = rdcc;
+#else /* CONFIG_DDR_RFDC_FIXED */
in_window = 0;
rdcc = 0;
rffd_average = SDRAM_RFDC_RFFD_MAX;
mtsdram(SDRAM_RFDC, rfdc_reg | SDRAM_RFDC_RFFD_ENCODE(rffd_average));
+#endif /* CONFIG_DDR_RFDC_FIXED */
rffd = rffd_average;
in_window = 0;
* known working {SDRAM_WRDTR.[WDTR], SDRAM_CLKTR.[CKTR]} value
* pairs via a board defined ddr_scan_option() function.
*/
-struct sdram_timing full_scan_options[] = {
+static struct sdram_timing full_scan_options[] = {
{0, 0}, {0, 1}, {0, 2}, {0, 3},
{1, 0}, {1, 1}, {1, 2}, {1, 3},
{2, 0}, {2, 1}, {2, 2}, {2, 3},
memset(&tcal, 0, sizeof(tcal));
- ddr_scan_option((ulong)full_scan_options);
-
- scan_list =
- (struct sdram_timing *)ddr_scan_option((ulong)full_scan_options);
+ scan_list = ddr_scan_option(full_scan_options);
mfsdram(SDRAM_MCOPT1, val);
if ((val & SDRAM_MCOPT1_MCHK_CHK_REP) == SDRAM_MCOPT1_MCHK_CHK_REP)
puts(str);
#if defined(DEBUG_PPC4xx_DDR_AUTOCALIBRATION)
- i = getenv_r("autocalib", tmp, sizeof(tmp));
+ i = getenv_f("autocalib", tmp, sizeof(tmp));
if (i < 0)
strcpy(tmp, CONFIG_AUTOCALIB);
debug("*** best_result: read value SDRAM_RQDC 0x%08x\n",
rqdc_reg);
+#if defined(CONFIG_DDR_RFDC_FIXED)
+ mtsdram(SDRAM_RFDC, CONFIG_DDR_RFDC_FIXED);
+#else /* CONFIG_DDR_RFDC_FIXED */
mfsdram(SDRAM_RFDC, rfdc_reg);
rfdc_reg &= ~(SDRAM_RFDC_RFFD_MASK);
mtsdram(SDRAM_RFDC, rfdc_reg |
SDRAM_RFDC_RFFD_ENCODE(tcal.autocal.rffd));
+#endif /* CONFIG_DDR_RFDC_FIXED */
mfsdram(SDRAM_RFDC, rfdc_reg);
debug("*** best_result: read value SDRAM_RFDC 0x%08x\n",
return 0;
}
#endif /* !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) */
-#endif /* defined(CONFIG_PPC4xx_DDR_AUTOCALIBRATION) */