+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2008-2014 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * Version 2 as published by the Free Software Foundation.
*/
#include <common.h>
#include <asm/fsl_law.h>
#endif
#include <div64.h>
+#include <linux/delay.h>
#include <fsl_ddr.h>
#include <fsl_immap.h>
+#include <log.h>
#include <asm/io.h>
+#if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3) || \
+ defined(CONFIG_ARM)
+#include <asm/arch/clock.h>
+#endif
/* To avoid 64-bit full-divides, we factor this here */
#define ULL_2E12 2000000000000ULL
#define ULL_8FS 0xFFFFFFFFULL
-u32 fsl_ddr_get_version(void)
+u32 fsl_ddr_get_version(unsigned int ctrl_num)
{
struct ccsr_ddr __iomem *ddr;
u32 ver_major_minor_errata;
- ddr = (void *)_DDR_ADDR;
+ switch (ctrl_num) {
+ case 0:
+ ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
+ break;
+#if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 1)
+ case 1:
+ ddr = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
+ break;
+#endif
+#if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 2)
+ case 2:
+ ddr = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
+ break;
+#endif
+#if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 3)
+ case 3:
+ ddr = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
+ break;
+#endif
+ default:
+ printf("%s unexpected ctrl_num = %u\n", __func__, ctrl_num);
+ return 0;
+ }
ver_major_minor_errata = (ddr_in32(&ddr->ip_rev1) & 0xFFFF) << 8;
ver_major_minor_errata |= (ddr_in32(&ddr->ip_rev2) & 0xFF00) >> 8;
* propagation, compute a suitably rounded mclk_ps to compute
* a working memory controller configuration.
*/
-unsigned int get_memory_clk_period_ps(void)
+unsigned int get_memory_clk_period_ps(const unsigned int ctrl_num)
{
- unsigned int data_rate = get_ddr_freq(0);
+ unsigned int data_rate = get_ddr_freq(ctrl_num);
unsigned int result;
/* Round to nearest 10ps, being careful about 64-bit multiply/divide */
}
/* Convert picoseconds into DRAM clock cycles (rounding up if needed). */
-unsigned int picos_to_mclk(unsigned int picos)
+unsigned int picos_to_mclk(const unsigned int ctrl_num, unsigned int picos)
{
unsigned long long clks, clks_rem;
- unsigned long data_rate = get_ddr_freq(0);
+ unsigned long data_rate = get_ddr_freq(ctrl_num);
/* Short circuit for zero picos */
if (!picos)
return (unsigned int) clks;
}
-unsigned int mclk_to_picos(unsigned int mclk)
+unsigned int mclk_to_picos(const unsigned int ctrl_num, unsigned int mclk)
{
- return get_memory_clk_period_ps() * mclk;
+ return get_memory_clk_period_ps(ctrl_num) * mclk;
}
#ifdef CONFIG_PPC
struct ccsr_ddr __iomem *ddr =
(struct ccsr_ddr __iomem *)(CONFIG_SYS_FSL_DDR_ADDR);
-#if defined(CONFIG_E6500) && (CONFIG_NUM_DDR_CONTROLLERS == 3)
+#if defined(CONFIG_E6500) && (CONFIG_SYS_NUM_DDR_CTLRS == 3)
u32 *mcintl3r = (void *) (CONFIG_SYS_IMMR + 0x18004);
#endif
-#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
+#if (CONFIG_SYS_NUM_DDR_CTLRS > 1)
uint32_t cs0_config = ddr_in32(&ddr->cs0_config);
#endif
uint32_t sdram_cfg = ddr_in32(&ddr->sdram_cfg);
int cas_lat;
-#if CONFIG_NUM_DDR_CONTROLLERS >= 2
+#if CONFIG_SYS_NUM_DDR_CTLRS >= 2
if ((!(sdram_cfg & SDRAM_CFG_MEM_EN)) ||
(start_ctrl == 1)) {
ddr = (void __iomem *)CONFIG_SYS_FSL_DDR2_ADDR;
sdram_cfg = ddr_in32(&ddr->sdram_cfg);
}
#endif
-#if CONFIG_NUM_DDR_CONTROLLERS >= 3
+#if CONFIG_SYS_NUM_DDR_CTLRS >= 3
if ((!(sdram_cfg & SDRAM_CFG_MEM_EN)) ||
(start_ctrl == 2)) {
ddr = (void __iomem *)CONFIG_SYS_FSL_DDR3_ADDR;
/* Calculate CAS latency based on timing cfg values */
cas_lat = ((ddr_in32(&ddr->timing_cfg_1) >> 16) & 0xf);
- if (fsl_ddr_get_version() <= 0x40400)
+ if (fsl_ddr_get_version(0) <= 0x40400)
cas_lat += 1;
else
cas_lat += 2;
else
puts(", ECC off)");
-#if (CONFIG_NUM_DDR_CONTROLLERS == 3)
+#if (CONFIG_SYS_NUM_DDR_CTLRS == 3)
#ifdef CONFIG_E6500
if (*mcintl3r & 0x80000000) {
puts("\n");
}
#endif
#endif
-#if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
+#if (CONFIG_SYS_NUM_DDR_CTLRS >= 2)
if ((cs0_config & 0x20000000) && (start_ctrl == 0)) {
puts("\n");
puts(" DDR Controller Interleaving Mode: ");
{
detail_board_ddr_info();
}
+
+#ifdef CONFIG_FSL_DDR_SYNC_REFRESH
+#define DDRC_DEBUG20_INIT_DONE 0x80000000
+#define DDRC_DEBUG2_RF 0x00000040
+void fsl_ddr_sync_memctl_refresh(unsigned int first_ctrl,
+ unsigned int last_ctrl)
+{
+ unsigned int i;
+ u32 ddrc_debug20;
+ u32 ddrc_debug2[CONFIG_SYS_NUM_DDR_CTLRS] = {};
+ u32 *ddrc_debug2_p[CONFIG_SYS_NUM_DDR_CTLRS] = {};
+ struct ccsr_ddr __iomem *ddr;
+
+ for (i = first_ctrl; i <= last_ctrl; i++) {
+ switch (i) {
+ case 0:
+ ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
+ break;
+#if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 1)
+ case 1:
+ ddr = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
+ break;
+#endif
+#if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 2)
+ case 2:
+ ddr = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
+ break;
+#endif
+#if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 3)
+ case 3:
+ ddr = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
+ break;
+#endif
+ default:
+ printf("%s unexpected ctrl = %u\n", __func__, i);
+ return;
+ }
+ ddrc_debug20 = ddr_in32(&ddr->debug[19]);
+ ddrc_debug2_p[i] = &ddr->debug[1];
+ while (!(ddrc_debug20 & DDRC_DEBUG20_INIT_DONE)) {
+ /* keep polling until DDRC init is done */
+ udelay(100);
+ ddrc_debug20 = ddr_in32(&ddr->debug[19]);
+ }
+ ddrc_debug2[i] = ddr_in32(&ddr->debug[1]) | DDRC_DEBUG2_RF;
+ }
+ /*
+ * Sync refresh
+ * This is put together to make sure the refresh reqeusts are sent
+ * closely to each other.
+ */
+ for (i = first_ctrl; i <= last_ctrl; i++)
+ ddr_out32(ddrc_debug2_p[i], ddrc_debug2[i]);
+}
+#endif /* CONFIG_FSL_DDR_SYNC_REFRESH */
+
+void remove_unused_controllers(fsl_ddr_info_t *info)
+{
+#ifdef CONFIG_SYS_FSL_HAS_CCN504
+ int i;
+ u64 nodeid;
+ void *hnf_sam_ctrl = (void *)(CCI_HN_F_0_BASE + CCN_HN_F_SAM_CTL);
+ bool ddr0_used = false;
+ bool ddr1_used = false;
+
+ for (i = 0; i < 8; i++) {
+ nodeid = in_le64(hnf_sam_ctrl) & CCN_HN_F_SAM_NODEID_MASK;
+ if (nodeid == CCN_HN_F_SAM_NODEID_DDR0) {
+ ddr0_used = true;
+ } else if (nodeid == CCN_HN_F_SAM_NODEID_DDR1) {
+ ddr1_used = true;
+ } else {
+ printf("Unknown nodeid in HN-F SAM control: 0x%llx\n",
+ nodeid);
+ }
+ hnf_sam_ctrl += (CCI_HN_F_1_BASE - CCI_HN_F_0_BASE);
+ }
+ if (!ddr0_used && !ddr1_used) {
+ printf("Invalid configuration in HN-F SAM control\n");
+ return;
+ }
+
+ if (!ddr0_used && info->first_ctrl == 0) {
+ info->first_ctrl = 1;
+ info->num_ctrls = 1;
+ debug("First DDR controller disabled\n");
+ return;
+ }
+
+ if (!ddr1_used && info->first_ctrl + info->num_ctrls > 1) {
+ info->num_ctrls = 1;
+ debug("Second DDR controller disabled\n");
+ }
+#endif
+}
projects / oweals / u-boot.git / blobdiff