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@@ -4,7 +4,7 @@
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* (C) Copyright 2006
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* (C) Copyright 2006
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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*
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- * Copyright 2004 Freescale Semiconductor.
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+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
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* (C) Copyright 2003 Motorola Inc.
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* (C) Copyright 2003 Motorola Inc.
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* Xianghua Xiao (X.Xiao@motorola.com)
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* Xianghua Xiao (X.Xiao@motorola.com)
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*
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*
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@@ -112,14 +112,10 @@ static void spd_debug(spd_eeprom_t *spd)
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long int spd_sdram()
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long int spd_sdram()
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{
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{
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-#ifdef CONFIG_MPC834X
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- int caslat_83xx; /* For Errata DDR6 */
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-#endif
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volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
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volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
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volatile ddr83xx_t *ddr = &immap->ddr;
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volatile ddr83xx_t *ddr = &immap->ddr;
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volatile law83xx_t *ecm = &immap->sysconf.ddrlaw[0];
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volatile law83xx_t *ecm = &immap->sysconf.ddrlaw[0];
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spd_eeprom_t spd;
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spd_eeprom_t spd;
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- unsigned int tmp, tmp1;
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unsigned int memsize;
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unsigned int memsize;
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unsigned int law_size;
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unsigned int law_size;
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unsigned char caslat, caslat_ctrl;
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unsigned char caslat, caslat_ctrl;
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@@ -131,28 +127,7 @@ long int spd_sdram()
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unsigned sdram_cfg;
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unsigned sdram_cfg;
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unsigned int ddrc_ecc_enable;
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unsigned int ddrc_ecc_enable;
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-
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/* Read SPD parameters with I2C */
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/* Read SPD parameters with I2C */
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-#ifdef CFG_83XX_DDR_USES_CS0
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- ddr->csbnds[0].csbnds = (banksize(spd.row_dens) >> 24) - 1;
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- ddr->cs_config[0] = ( 1 << 31
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- | (spd.nrow_addr - 12) << 8
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- | (spd.ncol_addr - 8) );
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- debug("\n");
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- debug("cs0_bnds = 0x%08x\n",ddr->csbnds[0].csbnds);
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- debug("cs0_config = 0x%08x\n",ddr->cs_config[0]);
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-
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- if (spd.nrows == 2) {
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- ddr->csbnds[1].csbnds = ( (banksize(spd.row_dens) >> 8)
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- | ((banksize(spd.row_dens) >> 23) - 1) );
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- ddr->cs_config[1] = ( 1<<31
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- | (spd.nrow_addr-12) << 8
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- | (spd.ncol_addr-8) );
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- debug("cs1_bnds = 0x%08x\n",ddr->csbnds[1].csbnds);
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- debug("cs1_config = 0x%08x\n",ddr->cs_config[1]);
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- }
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-
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-#else
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CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd));
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CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd));
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#ifdef SPD_DEBUG
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#ifdef SPD_DEBUG
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spd_debug(&spd);
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spd_debug(&spd);
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@@ -183,6 +158,26 @@ long int spd_sdram()
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return 0;
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return 0;
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}
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}
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/* Setup DDR chip select register */
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/* Setup DDR chip select register */
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+#ifdef CFG_83XX_DDR_USES_CS0
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+ ddr->csbnds[0].csbnds = (banksize(spd.row_dens) >> 24) - 1;
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+ ddr->cs_config[0] = ( 1 << 31
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+ | (spd.nrow_addr - 12) << 8
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+ | (spd.ncol_addr - 8) );
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+ debug("\n");
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+ debug("cs0_bnds = 0x%08x\n",ddr->csbnds[0].csbnds);
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+ debug("cs0_config = 0x%08x\n",ddr->cs_config[0]);
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+
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+ if (spd.nrows == 2) {
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+ ddr->csbnds[1].csbnds = ( (banksize(spd.row_dens) >> 8)
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+ | ((banksize(spd.row_dens) >> 23) - 1) );
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+ ddr->cs_config[1] = ( 1<<31
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+ | (spd.nrow_addr-12) << 8
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+ | (spd.ncol_addr-8) );
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+ debug("cs1_bnds = 0x%08x\n",ddr->csbnds[1].csbnds);
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+ debug("cs1_config = 0x%08x\n",ddr->cs_config[1]);
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+ }
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+
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+#else
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ddr->csbnds[2].csbnds = (banksize(spd.row_dens) >> 24) - 1;
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ddr->csbnds[2].csbnds = (banksize(spd.row_dens) >> 24) - 1;
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ddr->cs_config[2] = ( 1 << 31
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ddr->cs_config[2] = ( 1 << 31
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| (spd.nrow_addr - 12) << 8
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| (spd.nrow_addr - 12) << 8
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@@ -243,8 +238,9 @@ long int spd_sdram()
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*/
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*/
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caslat = __ilog2(spd.cas_lat);
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caslat = __ilog2(spd.cas_lat);
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- if (caslat > 4 ) {
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- printf("DDR: Invalid SPD CAS Latency, caslat=%02X\n", caslat);
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+ if (caslat > 6 ) {
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+ printf("DDR: Invalid SPD CAS Latency, caslat=%02X\n",
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+ spd.cas_lat);
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return 0;
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return 0;
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}
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}
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max_bus_clk = 1000 *10 / (((spd.clk_cycle & 0xF0) >> 4) * 10
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max_bus_clk = 1000 *10 / (((spd.clk_cycle & 0xF0) >> 4) * 10
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@@ -256,89 +252,110 @@ long int spd_sdram()
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ddrc_clk = get_ddr_clk(0) / 1000000;
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ddrc_clk = get_ddr_clk(0) / 1000000;
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if (max_data_rate >= 390) { /* it is DDR 400 */
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if (max_data_rate >= 390) { /* it is DDR 400 */
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- printf("DDR: platform not support DDR 400\n");
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- return 0;
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+ if (ddrc_clk <= 410 && ddrc_clk > 350) {
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+ /* DDR controller clk at 350~410 */
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+ effective_data_rate = 400; /* 5ns */
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+ caslat = caslat;
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+ } else if (ddrc_clk <= 350 && ddrc_clk > 280) {
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+ /* DDR controller clk at 280~350 */
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+ effective_data_rate = 333; /* 6ns */
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+ if (spd.clk_cycle2 == 0x60) {
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+ caslat = caslat - 1;
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+ } else {
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+ caslat = caslat;
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+ }
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+ } else if (ddrc_clk <= 280 && ddrc_clk > 230) {
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+ /* DDR controller clk at 230~280 */
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+ effective_data_rate = 266; /* 7.5ns */
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+ if (spd.clk_cycle3 == 0x75) {
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+ caslat = caslat - 2;
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+ } else if (spd.clk_cycle2 == 0x60) {
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+ caslat = caslat - 1;
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+ } else {
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+ caslat = caslat;
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+ }
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+ } else if (ddrc_clk <= 230 && ddrc_clk > 90) {
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+ /* DDR controller clk at 90~230 */
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+ effective_data_rate = 200; /* 10ns */
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+ if (spd.clk_cycle3 == 0x75) {
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+ caslat = caslat - 2;
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+ } else if (spd.clk_cycle2 == 0x60) {
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+ caslat = caslat - 1;
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+ } else {
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+ caslat = caslat;
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+ }
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+ }
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} else if (max_data_rate >= 323) { /* it is DDR 333 */
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} else if (max_data_rate >= 323) { /* it is DDR 333 */
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if (ddrc_clk <= 350 && ddrc_clk > 280) {
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if (ddrc_clk <= 350 && ddrc_clk > 280) {
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- /* DDRC clk at 280~350 */
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+ /* DDR controller clk at 280~350 */
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effective_data_rate = 333; /* 6ns */
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effective_data_rate = 333; /* 6ns */
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caslat = caslat;
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caslat = caslat;
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} else if (ddrc_clk <= 280 && ddrc_clk > 230) {
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} else if (ddrc_clk <= 280 && ddrc_clk > 230) {
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- /* DDRC clk at 230~280 */
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+ /* DDR controller clk at 230~280 */
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+ effective_data_rate = 266; /* 7.5ns */
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if (spd.clk_cycle2 == 0x75) {
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if (spd.clk_cycle2 == 0x75) {
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- effective_data_rate = 266; /* 7.5ns */
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caslat = caslat - 1;
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caslat = caslat - 1;
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+ } else {
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+ caslat = caslat;
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}
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}
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} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
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} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
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- /* DDRC clk at 90~230 */
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+ /* DDR controller clk at 90~230 */
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+ effective_data_rate = 200; /* 10ns */
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if (spd.clk_cycle3 == 0xa0) {
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if (spd.clk_cycle3 == 0xa0) {
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- effective_data_rate = 200; /* 10ns */
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caslat = caslat - 2;
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caslat = caslat - 2;
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+ } else if (spd.clk_cycle2 == 0x75) {
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+ caslat = caslat - 1;
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+ } else {
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+ caslat = caslat;
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}
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}
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}
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}
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} else if (max_data_rate >= 256) { /* it is DDR 266 */
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} else if (max_data_rate >= 256) { /* it is DDR 266 */
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if (ddrc_clk <= 350 && ddrc_clk > 280) {
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if (ddrc_clk <= 350 && ddrc_clk > 280) {
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- /* DDRC clk at 280~350 */
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+ /* DDR controller clk at 280~350 */
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printf("DDR: DDR controller freq is more than "
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printf("DDR: DDR controller freq is more than "
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"max data rate of the module\n");
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"max data rate of the module\n");
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return 0;
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return 0;
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} else if (ddrc_clk <= 280 && ddrc_clk > 230) {
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} else if (ddrc_clk <= 280 && ddrc_clk > 230) {
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- /* DDRC clk at 230~280 */
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+ /* DDR controller clk at 230~280 */
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effective_data_rate = 266; /* 7.5ns */
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effective_data_rate = 266; /* 7.5ns */
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caslat = caslat;
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caslat = caslat;
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} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
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} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
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- /* DDRC clk at 90~230 */
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+ /* DDR controller clk at 90~230 */
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+ effective_data_rate = 200; /* 10ns */
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if (spd.clk_cycle2 == 0xa0) {
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if (spd.clk_cycle2 == 0xa0) {
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- effective_data_rate = 200; /* 10ns */
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caslat = caslat - 1;
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caslat = caslat - 1;
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}
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}
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}
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}
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} else if (max_data_rate >= 190) { /* it is DDR 200 */
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} else if (max_data_rate >= 190) { /* it is DDR 200 */
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if (ddrc_clk <= 350 && ddrc_clk > 230) {
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if (ddrc_clk <= 350 && ddrc_clk > 230) {
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- /* DDRC clk at 230~350 */
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+ /* DDR controller clk at 230~350 */
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printf("DDR: DDR controller freq is more than "
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printf("DDR: DDR controller freq is more than "
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"max data rate of the module\n");
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"max data rate of the module\n");
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return 0;
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return 0;
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} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
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} else if (ddrc_clk <= 230 && ddrc_clk > 90) {
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- /* DDRC clk at 90~230 */
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+ /* DDR controller clk at 90~230 */
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effective_data_rate = 200; /* 10ns */
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effective_data_rate = 200; /* 10ns */
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caslat = caslat;
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caslat = caslat;
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}
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}
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}
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}
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-#ifdef CONFIG_MPC834X
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-/* Errata DDR6
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- This errata affects all MPC8349E, MPC8343E and MPC8347E processors.
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-*/
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- if ((tmp1 >= 280) && (tmp1 < 350)) /* CSB=333 */
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- {
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- if (spd.mid[0] == 0x2c) {
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- /* Micron memory running at 333 MHz */
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- /* Chances are, U-Boot will crash before we get here,
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- but just in case, display a message and return error. */
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- printf("Micron DDR not supported at 333MHz CSB\n");
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- return 0;
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- } else if (spd.mid[0] == 0xad) {
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- printf("Hynix DDR does not require Errata DDR6\n");
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- } else {
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- /* enable 2 cycle Earlier for CL=2.5 or 3 */
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- ddr->debug_reg = 0x202c0000;
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- printf("Errata DDR6 (debug_reg=0x%x)\n", ddr->debug_reg);
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- }
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- caslat_83xx = caslat;
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- }
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-
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- if ((tmp1 >= 230) && (tmp1 < 280)) { /* CSB=266 */
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- if (spd.mid[0] != 0x2c) /* non-Micron */
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- caslat_83xx = caslat - 1;
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+ debug("DDR:Effective data rate is: %dMhz\n", effective_data_rate);
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+ debug("DDR:The MSB 1 of CAS Latency is: %d\n", caslat);
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+ /*
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+ * Errata DDR6 work around: input enable 2 cycles earlier.
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+ * including MPC834x Rev1.0/1.1 and MPC8360 Rev1.1/1.2.
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+ */
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+ if (caslat == 2) {
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+ ddr->debug_reg = 0x201c0000; /* CL=2 */
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+ } else if (caslat == 3) {
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+ ddr->debug_reg = 0x202c0000; /* CL=2.5 */
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+ } else if (caslat == 4) {
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+ ddr->debug_reg = 0x202c0000; /* CL=3.0 */
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}
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}
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+ __asm__ __volatile__ ("sync");
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- if ((tmp1 >= 90) && (tmp1 < 230)) { /* CSB=200 */
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- caslat = 3;
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- caslat_83xx = 2;
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- }
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-#endif
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+ debug("Errata DDR6 (debug_reg=0x%08x)\n", ddr->debug_reg);
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/*
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/*
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* note: caslat must also be programmed into ddr->sdram_mode
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* note: caslat must also be programmed into ddr->sdram_mode
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@@ -353,11 +370,7 @@ long int spd_sdram()
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(((picos_to_clk(spd.trp * 250) & 0x07) << 28 ) |
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(((picos_to_clk(spd.trp * 250) & 0x07) << 28 ) |
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((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24 ) |
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((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24 ) |
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((picos_to_clk(spd.trcd * 250) & 0x07) << 20 ) |
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((picos_to_clk(spd.trcd * 250) & 0x07) << 20 ) |
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-#ifdef CONFIG_MPC834x
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- ((caslat_83xx & 0x07) << 16 ) |
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-#else
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((caslat_ctrl & 0x07) << 16 ) |
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((caslat_ctrl & 0x07) << 16 ) |
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-#endif
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(((picos_to_clk(spd.trfc * 1000) - 8) & 0x0f) << 12 ) |
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(((picos_to_clk(spd.trfc * 1000) - 8) & 0x0f) << 12 ) |
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( 0x300 ) |
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( 0x300 ) |
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((picos_to_clk(spd.trrd * 250) & 0x07) << 4) | 1);
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((picos_to_clk(spd.trrd * 250) & 0x07) << 4) | 1);
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@@ -370,13 +383,10 @@ long int spd_sdram()
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ddr->sdram_cfg = 0x42000000;
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ddr->sdram_cfg = 0x42000000;
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/* Check DIMM data bus width */
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/* Check DIMM data bus width */
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- if (spd.dataw_lsb == 0x20)
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- {
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+ if (spd.dataw_lsb == 0x20) {
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burstlen = 0x03; /* 32 bit data bus, burst len is 8 */
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burstlen = 0x03; /* 32 bit data bus, burst len is 8 */
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printf("\n DDR DIMM: data bus width is 32 bit");
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printf("\n DDR DIMM: data bus width is 32 bit");
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- }
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- else
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- {
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+ } else {
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burstlen = 0x02; /* Others act as 64 bit bus, burst len is 4 */
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burstlen = 0x02; /* Others act as 64 bit bus, burst len is 4 */
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printf("\n DDR DIMM: data bus width is 64 bit");
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printf("\n DDR DIMM: data bus width is 64 bit");
|
|
}
|
|
}
|
|
@@ -384,68 +394,67 @@ long int spd_sdram()
|
|
/* Is this an ECC DDR chip? */
|
|
/* Is this an ECC DDR chip? */
|
|
if (spd.config == 0x02) {
|
|
if (spd.config == 0x02) {
|
|
printf(" with ECC\n");
|
|
printf(" with ECC\n");
|
|
- }
|
|
|
|
- else
|
|
|
|
|
|
+ } else {
|
|
printf(" without ECC\n");
|
|
printf(" without ECC\n");
|
|
|
|
+ }
|
|
|
|
|
|
/* Burst length is always 4 for 64 bit data bus, 8 for 32 bit data bus,
|
|
/* Burst length is always 4 for 64 bit data bus, 8 for 32 bit data bus,
|
|
Burst type is sequential
|
|
Burst type is sequential
|
|
*/
|
|
*/
|
|
- switch(caslat) {
|
|
|
|
- case 1:
|
|
|
|
- ddr->sdram_mode = 0x50 | burstlen; /* CL=1.5 */
|
|
|
|
- break;
|
|
|
|
- case 2:
|
|
|
|
- ddr->sdram_mode = 0x20 | burstlen; /* CL=2.0 */
|
|
|
|
- break;
|
|
|
|
- case 3:
|
|
|
|
- ddr->sdram_mode = 0x60 | burstlen; /* CL=2.5 */
|
|
|
|
- break;
|
|
|
|
- case 4:
|
|
|
|
- ddr->sdram_mode = 0x30 | burstlen; /* CL=3.0 */
|
|
|
|
- break;
|
|
|
|
- default:
|
|
|
|
- printf("DDR:only CAS Latency 1.5, 2.0, 2.5, 3.0 "
|
|
|
|
- "is supported.\n");
|
|
|
|
- return 0;
|
|
|
|
|
|
+ switch (caslat) {
|
|
|
|
+ case 1:
|
|
|
|
+ ddr->sdram_mode = 0x50 | burstlen; /* CL=1.5 */
|
|
|
|
+ break;
|
|
|
|
+ case 2:
|
|
|
|
+ ddr->sdram_mode = 0x20 | burstlen; /* CL=2.0 */
|
|
|
|
+ break;
|
|
|
|
+ case 3:
|
|
|
|
+ ddr->sdram_mode = 0x60 | burstlen; /* CL=2.5 */
|
|
|
|
+ break;
|
|
|
|
+ case 4:
|
|
|
|
+ ddr->sdram_mode = 0x30 | burstlen; /* CL=3.0 */
|
|
|
|
+ break;
|
|
|
|
+ default:
|
|
|
|
+ printf("DDR:only CL 1.5, 2.0, 2.5, 3.0 is supported\n");
|
|
|
|
+ return 0;
|
|
}
|
|
}
|
|
debug("DDR:sdram_mode=0x%08x\n", ddr->sdram_mode);
|
|
debug("DDR:sdram_mode=0x%08x\n", ddr->sdram_mode);
|
|
|
|
|
|
- switch(spd.refresh) {
|
|
|
|
- case 0x00:
|
|
|
|
- case 0x80:
|
|
|
|
- tmp = picos_to_clk(15625000);
|
|
|
|
- break;
|
|
|
|
- case 0x01:
|
|
|
|
- case 0x81:
|
|
|
|
- tmp = picos_to_clk(3900000);
|
|
|
|
- break;
|
|
|
|
- case 0x02:
|
|
|
|
- case 0x82:
|
|
|
|
- tmp = picos_to_clk(7800000);
|
|
|
|
- break;
|
|
|
|
- case 0x03:
|
|
|
|
- case 0x83:
|
|
|
|
- tmp = picos_to_clk(31300000);
|
|
|
|
- break;
|
|
|
|
- case 0x04:
|
|
|
|
- case 0x84:
|
|
|
|
- tmp = picos_to_clk(62500000);
|
|
|
|
- break;
|
|
|
|
- case 0x05:
|
|
|
|
- case 0x85:
|
|
|
|
- tmp = picos_to_clk(125000000);
|
|
|
|
- break;
|
|
|
|
- default:
|
|
|
|
- tmp = 0x512;
|
|
|
|
- break;
|
|
|
|
|
|
+ switch (spd.refresh) {
|
|
|
|
+ case 0x00:
|
|
|
|
+ case 0x80:
|
|
|
|
+ refresh_clk = picos_to_clk(15625000);
|
|
|
|
+ break;
|
|
|
|
+ case 0x01:
|
|
|
|
+ case 0x81:
|
|
|
|
+ refresh_clk = picos_to_clk(3900000);
|
|
|
|
+ break;
|
|
|
|
+ case 0x02:
|
|
|
|
+ case 0x82:
|
|
|
|
+ refresh_clk = picos_to_clk(7800000);
|
|
|
|
+ break;
|
|
|
|
+ case 0x03:
|
|
|
|
+ case 0x83:
|
|
|
|
+ refresh_clk = picos_to_clk(31300000);
|
|
|
|
+ break;
|
|
|
|
+ case 0x04:
|
|
|
|
+ case 0x84:
|
|
|
|
+ refresh_clk = picos_to_clk(62500000);
|
|
|
|
+ break;
|
|
|
|
+ case 0x05:
|
|
|
|
+ case 0x85:
|
|
|
|
+ refresh_clk = picos_to_clk(125000000);
|
|
|
|
+ break;
|
|
|
|
+ default:
|
|
|
|
+ refresh_clk = 0x512;
|
|
|
|
+ break;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
/*
|
|
* Set BSTOPRE to 0x100 for page mode
|
|
* Set BSTOPRE to 0x100 for page mode
|
|
* If auto-charge is used, set BSTOPRE = 0
|
|
* If auto-charge is used, set BSTOPRE = 0
|
|
*/
|
|
*/
|
|
- ddr->sdram_interval = ((tmp & 0x3fff) << 16) | 0x100;
|
|
|
|
|
|
+ ddr->sdram_interval = ((refresh_clk & 0x3fff) << 16) | 0x100;
|
|
debug("DDR:sdram_interval=0x%08x\n", ddr->sdram_interval);
|
|
debug("DDR:sdram_interval=0x%08x\n", ddr->sdram_interval);
|
|
|
|
|
|
/* SS_EN = 0, source synchronous disable
|
|
/* SS_EN = 0, source synchronous disable
|
|
@@ -459,8 +468,8 @@ long int spd_sdram()
|
|
udelay(600);
|
|
udelay(600);
|
|
|
|
|
|
/*
|
|
/*
|
|
- * Figure out the settings for the sdram_cfg register. Build up
|
|
|
|
- * the entire register in 'tmp' before writing since the write into
|
|
|
|
|
|
+ * Figure out the settings for the sdram_cfg register. Build up
|
|
|
|
+ * the value in 'sdram_cfg' before writing since the write into
|
|
* the register will actually enable the memory controller, and all
|
|
* the register will actually enable the memory controller, and all
|
|
* settings must be done before enabling.
|
|
* settings must be done before enabling.
|
|
*
|
|
*
|
|
@@ -493,13 +502,13 @@ long int spd_sdram()
|
|
/* set single bit error threshold to maximum value,
|
|
/* set single bit error threshold to maximum value,
|
|
* reset counter to zero */
|
|
* reset counter to zero */
|
|
ddr->err_sbe = (255 << ECC_ERROR_MAN_SBET_SHIFT) |
|
|
ddr->err_sbe = (255 << ECC_ERROR_MAN_SBET_SHIFT) |
|
|
- (0 << ECC_ERROR_MAN_SBEC_SHIFT);
|
|
|
|
|
|
+ (0 << ECC_ERROR_MAN_SBEC_SHIFT);
|
|
}
|
|
}
|
|
|
|
|
|
debug("DDR:err_disable=0x%08x\n", ddr->err_disable);
|
|
debug("DDR:err_disable=0x%08x\n", ddr->err_disable);
|
|
debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe);
|
|
debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe);
|
|
#endif
|
|
#endif
|
|
- printf(" DDRC ECC mode: %s", ddrc_ecc_enable ? "ON":"OFF");
|
|
|
|
|
|
+ printf(" DDRC ECC mode: %s\n", ddrc_ecc_enable ? "ON":"OFF");
|
|
|
|
|
|
#if defined(CONFIG_DDR_2T_TIMING)
|
|
#if defined(CONFIG_DDR_2T_TIMING)
|
|
/*
|
|
/*
|
|
@@ -517,7 +526,6 @@ long int spd_sdram()
|
|
}
|
|
}
|
|
#endif /* CONFIG_SPD_EEPROM */
|
|
#endif /* CONFIG_SPD_EEPROM */
|
|
|
|
|
|
-
|
|
|
|
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
|
|
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
|
|
/*
|
|
/*
|
|
* Use timebase counter, get_timer() is not availabe
|
|
* Use timebase counter, get_timer() is not availabe
|
|
@@ -602,26 +610,16 @@ void ddr_enable_ecc(unsigned int dram_size)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
- /* 8K */
|
|
|
|
- dma_xfer((uint *)0x2000, 0x2000, (uint *)0);
|
|
|
|
- /* 16K */
|
|
|
|
- dma_xfer((uint *)0x4000, 0x4000, (uint *)0);
|
|
|
|
- /* 32K */
|
|
|
|
- dma_xfer((uint *)0x8000, 0x8000, (uint *)0);
|
|
|
|
- /* 64K */
|
|
|
|
- dma_xfer((uint *)0x10000, 0x10000, (uint *)0);
|
|
|
|
- /* 128k */
|
|
|
|
- dma_xfer((uint *)0x20000, 0x20000, (uint *)0);
|
|
|
|
- /* 256k */
|
|
|
|
- dma_xfer((uint *)0x40000, 0x40000, (uint *)0);
|
|
|
|
- /* 512k */
|
|
|
|
- dma_xfer((uint *)0x80000, 0x80000, (uint *)0);
|
|
|
|
- /* 1M */
|
|
|
|
- dma_xfer((uint *)0x100000, 0x100000, (uint *)0);
|
|
|
|
- /* 2M */
|
|
|
|
- dma_xfer((uint *)0x200000, 0x200000, (uint *)0);
|
|
|
|
- /* 4M */
|
|
|
|
- dma_xfer((uint *)0x400000, 0x400000, (uint *)0);
|
|
|
|
|
|
+ dma_xfer((uint *)0x2000, 0x2000, (uint *)0); /* 8K */
|
|
|
|
+ dma_xfer((uint *)0x4000, 0x4000, (uint *)0); /* 16K */
|
|
|
|
+ dma_xfer((uint *)0x8000, 0x8000, (uint *)0); /* 32K */
|
|
|
|
+ dma_xfer((uint *)0x10000, 0x10000, (uint *)0); /* 64K */
|
|
|
|
+ dma_xfer((uint *)0x20000, 0x20000, (uint *)0); /* 128K */
|
|
|
|
+ dma_xfer((uint *)0x40000, 0x40000, (uint *)0); /* 256K */
|
|
|
|
+ dma_xfer((uint *)0x80000, 0x80000, (uint *)0); /* 512K */
|
|
|
|
+ dma_xfer((uint *)0x100000, 0x100000, (uint *)0); /* 1M */
|
|
|
|
+ dma_xfer((uint *)0x200000, 0x200000, (uint *)0); /* 2M */
|
|
|
|
+ dma_xfer((uint *)0x400000, 0x400000, (uint *)0); /* 4M */
|
|
|
|
|
|
for (i = 1; i < dram_size / 0x800000; i++) {
|
|
for (i = 1; i < dram_size / 0x800000; i++) {
|
|
dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0);
|
|
dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0);
|