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Merge branch 'master' of git://git.denx.de/u-boot-fsl-qoriq

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This commit is contained in:
Tom Rini 2014-09-26 09:57:52 -04:00
commit 2c2277f15c
39 changed files with 1023 additions and 256 deletions
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6
README
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@ -538,6 +538,12 @@ The following options need to be configured:
interleaving mode, handled by Dickens for Freescale layerscape
SoCs with ARM core.
CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS
Number of controllers used as main memory.
CONFIG_SYS_FSL_OTHER_DDR_NUM_CTRLS
Number of controllers used for other than main memory.
- Intel Monahans options:
CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO

2
arch/arm/cpu/armv8/fsl-lsch3/Makefile
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@ -7,3 +7,5 @@
obj-y += cpu.o
obj-y += lowlevel.o
obj-y += speed.o
obj-$(CONFIG_MP) += mp.o
obj-$(CONFIG_OF_LIBFDT) += fdt.o

13
arch/arm/cpu/armv8/fsl-lsch3/cpu.c
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@ -11,6 +11,7 @@
#include <asm/io.h>
#include <asm/arch-fsl-lsch3/immap_lsch3.h>
#include "cpu.h"
#include "mp.h"
#include "speed.h"
#include <fsl_mc.h>
@ -434,3 +435,15 @@ int cpu_eth_init(bd_t *bis)
#endif
return error;
}
int arch_early_init_r(void)
{
int rv;
rv = fsl_lsch3_wake_seconday_cores();
if (rv)
printf("Did not wake secondary cores\n");
return 0;
}

1
arch/arm/cpu/armv8/fsl-lsch3/cpu.h
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@ -5,3 +5,4 @@
*/
int fsl_qoriq_core_to_cluster(unsigned int core);
u32 cpu_mask(void);

58
arch/arm/cpu/armv8/fsl-lsch3/fdt.c Normal file
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@ -0,0 +1,58 @@
/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <libfdt.h>
#include <fdt_support.h>
#include "mp.h"
#ifdef CONFIG_MP
void ft_fixup_cpu(void *blob)
{
int off;
__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
fdt32_t *reg;
int addr_cells;
u64 val;
size_t *boot_code_size = &(__secondary_boot_code_size);
off = fdt_path_offset(blob, "/cpus");
if (off < 0) {
puts("couldn't find /cpus node\n");
return;
}
of_bus_default_count_cells(blob, off, &addr_cells, NULL);
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
if (reg) {
val = spin_tbl_addr;
val += id_to_core(of_read_number(reg, addr_cells))
* SPIN_TABLE_ELEM_SIZE;
val = cpu_to_fdt64(val);
fdt_setprop_string(blob, off, "enable-method",
"spin-table");
fdt_setprop(blob, off, "cpu-release-addr",
&val, sizeof(val));
} else {
puts("Warning: found cpu node without reg property\n");
}
off = fdt_node_offset_by_prop_value(blob, off, "device_type",
"cpu", 4);
}
fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
*boot_code_size);
}
#endif
void ft_cpu_setup(void *blob, bd_t *bd)
{
#ifdef CONFIG_MP
ft_fixup_cpu(blob);
#endif
}

131
arch/arm/cpu/armv8/fsl-lsch3/lowlevel.S
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@ -8,7 +8,9 @@
#include <config.h>
#include <linux/linkage.h>
#include <asm/gic.h>
#include <asm/macro.h>
#include "mp.h"
ENTRY(lowlevel_init)
mov x29, lr /* Save LR */
@ -35,31 +37,114 @@ ENTRY(lowlevel_init)
#endif
#endif
branch_if_master x0, x1, 1f
branch_if_master x0, x1, 2f
/*
* Slave should wait for master clearing spin table.
* This sync prevent salves observing incorrect
* value of spin table and jumping to wrong place.
*/
#if defined(CONFIG_GICV2) || defined(CONFIG_GICV3)
#ifdef CONFIG_GICV2
ldr x0, =GICC_BASE
#endif
bl gic_wait_for_interrupt
#endif
/*
* All processors will enter EL2 and optionally EL1.
*/
bl armv8_switch_to_el2
#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
bl armv8_switch_to_el1
#endif
b 2f
1:
ldr x0, =secondary_boot_func
blr x0
2:
mov lr, x29 /* Restore LR */
ret
ENDPROC(lowlevel_init)
/* Keep literals not used by the secondary boot code outside it */
.ltorg
/* Using 64 bit alignment since the spin table is accessed as data */
.align 4
.global secondary_boot_code
/* Secondary Boot Code starts here */
secondary_boot_code:
.global __spin_table
__spin_table:
.space CONFIG_MAX_CPUS*SPIN_TABLE_ELEM_SIZE
.align 2
ENTRY(secondary_boot_func)
/*
* MPIDR_EL1 Fields:
* MPIDR[1:0] = AFF0_CPUID <- Core ID (0,1)
* MPIDR[7:2] = AFF0_RES
* MPIDR[15:8] = AFF1_CLUSTERID <- Cluster ID (0,1,2,3)
* MPIDR[23:16] = AFF2_CLUSTERID
* MPIDR[24] = MT
* MPIDR[29:25] = RES0
* MPIDR[30] = U
* MPIDR[31] = ME
* MPIDR[39:32] = AFF3
*
* Linear Processor ID (LPID) calculation from MPIDR_EL1:
* (We only use AFF0_CPUID and AFF1_CLUSTERID for now
* until AFF2_CLUSTERID and AFF3 have non-zero values)
*
* LPID = MPIDR[15:8] | MPIDR[1:0]
*/
mrs x0, mpidr_el1
ubfm x1, x0, #8, #15
ubfm x2, x0, #0, #1
orr x10, x2, x1, lsl #2 /* x10 has LPID */
ubfm x9, x0, #0, #15 /* x9 contains MPIDR[15:0] */
/*
* offset of the spin table element for this core from start of spin
* table (each elem is padded to 64 bytes)
*/
lsl x1, x10, #6
ldr x0, =__spin_table
/* physical address of this cpus spin table element */
add x11, x1, x0
str x9, [x11, #16] /* LPID */
mov x4, #1
str x4, [x11, #8] /* STATUS */
dsb sy
#if defined(CONFIG_GICV3)
gic_wait_for_interrupt_m x0
#elif defined(CONFIG_GICV2)
ldr x0, =GICC_BASE
gic_wait_for_interrupt_m x0, w1
#endif
bl secondary_switch_to_el2
#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
bl secondary_switch_to_el1
#endif
slave_cpu:
wfe
ldr x0, [x11]
cbz x0, slave_cpu
#ifndef CONFIG_ARMV8_SWITCH_TO_EL1
mrs x1, sctlr_el2
#else
mrs x1, sctlr_el1
#endif
tbz x1, #25, cpu_is_le
rev x0, x0 /* BE to LE conversion */
cpu_is_le:
br x0 /* branch to the given address */
ENDPROC(secondary_boot_func)
ENTRY(secondary_switch_to_el2)
switch_el x0, 1f, 0f, 0f
0: ret
1: armv8_switch_to_el2_m x0
ENDPROC(secondary_switch_to_el2)
ENTRY(secondary_switch_to_el1)
switch_el x0, 0f, 1f, 0f
0: ret
1: armv8_switch_to_el1_m x0, x1
ENDPROC(secondary_switch_to_el1)
/* Ensure that the literals used by the secondary boot code are
* assembled within it (this is required so that we can protect
* this area with a single memreserve region
*/
.ltorg
/* 64 bit alignment for elements accessed as data */
.align 4
.globl __secondary_boot_code_size
.type __secondary_boot_code_size, %object
/* Secondary Boot Code ends here */
__secondary_boot_code_size:
.quad .-secondary_boot_code

168
arch/arm/cpu/armv8/fsl-lsch3/mp.c Normal file
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@ -0,0 +1,168 @@
/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/arch-fsl-lsch3/immap_lsch3.h>
#include "mp.h"
DECLARE_GLOBAL_DATA_PTR;
void *get_spin_tbl_addr(void)
{
return &__spin_table;
}
phys_addr_t determine_mp_bootpg(void)
{
return (phys_addr_t)&secondary_boot_code;
}
int fsl_lsch3_wake_seconday_cores(void)
{
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
struct ccsr_reset __iomem *rst = (void *)(CONFIG_SYS_FSL_RST_ADDR);
u32 cores, cpu_up_mask = 1;
int i, timeout = 10;
u64 *table = get_spin_tbl_addr();
cores = cpu_mask();
/* Clear spin table so that secondary processors
* observe the correct value after waking up from wfe.
*/
memset(table, 0, CONFIG_MAX_CPUS*SPIN_TABLE_ELEM_SIZE);
flush_dcache_range((unsigned long)table,
(unsigned long)table +
(CONFIG_MAX_CPUS*SPIN_TABLE_ELEM_SIZE));
printf("Waking secondary cores to start from %lx\n", gd->relocaddr);
out_le32(&gur->bootlocptrh, (u32)(gd->relocaddr >> 32));
out_le32(&gur->bootlocptrl, (u32)gd->relocaddr);
out_le32(&gur->scratchrw[6], 1);
asm volatile("dsb st" : : : "memory");
rst->brrl = cores;
asm volatile("dsb st" : : : "memory");
/* This is needed as a precautionary measure.
* If some code before this has accidentally released the secondary
* cores then the pre-bootloader code will trap them in a "wfe" unless
* the scratchrw[6] is set. In this case we need a sev here to get these
* cores moving again.
*/
asm volatile("sev");
while (timeout--) {
flush_dcache_range((unsigned long)table, (unsigned long)table +
CONFIG_MAX_CPUS * 64);
for (i = 1; i < CONFIG_MAX_CPUS; i++) {
if (table[i * WORDS_PER_SPIN_TABLE_ENTRY +
SPIN_TABLE_ELEM_STATUS_IDX])
cpu_up_mask |= 1 << i;
}
if (hweight32(cpu_up_mask) == hweight32(cores))
break;
udelay(10);
}
if (timeout <= 0) {
printf("Not all cores (0x%x) are up (0x%x)\n",
cores, cpu_up_mask);
return 1;
}
printf("All (%d) cores are up.\n", hweight32(cores));
return 0;
}
int is_core_valid(unsigned int core)
{
return !!((1 << core) & cpu_mask());
}
int cpu_reset(int nr)
{
puts("Feature is not implemented.\n");
return 0;
}
int cpu_disable(int nr)
{
puts("Feature is not implemented.\n");
return 0;
}
int core_to_pos(int nr)
{
u32 cores = cpu_mask();
int i, count = 0;
if (nr == 0) {
return 0;
} else if (nr >= hweight32(cores)) {
puts("Not a valid core number.\n");
return -1;
}
for (i = 1; i < 32; i++) {
if (is_core_valid(i)) {
count++;
if (count == nr)
break;
}
}
return count;
}
int cpu_status(int nr)
{
u64 *table;
int pos;
if (nr == 0) {
table = (u64 *)get_spin_tbl_addr();
printf("table base @ 0x%p\n", table);
} else {
pos = core_to_pos(nr);
if (pos < 0)
return -1;
table = (u64 *)get_spin_tbl_addr() + pos *
WORDS_PER_SPIN_TABLE_ENTRY;
printf("table @ 0x%p\n", table);
printf(" addr - 0x%016llx\n",
table[SPIN_TABLE_ELEM_ENTRY_ADDR_IDX]);
printf(" status - 0x%016llx\n",
table[SPIN_TABLE_ELEM_STATUS_IDX]);
printf(" lpid - 0x%016llx\n",
table[SPIN_TABLE_ELEM_LPID_IDX]);
}
return 0;
}
int cpu_release(int nr, int argc, char * const argv[])
{
u64 boot_addr;
u64 *table = (u64 *)get_spin_tbl_addr();
int pos;
pos = core_to_pos(nr);
if (pos <= 0)
return -1;
table += pos * WORDS_PER_SPIN_TABLE_ENTRY;
boot_addr = simple_strtoull(argv[0], NULL, 16);
table[SPIN_TABLE_ELEM_ENTRY_ADDR_IDX] = boot_addr;
flush_dcache_range((unsigned long)table,
(unsigned long)table + SPIN_TABLE_ELEM_SIZE);
asm volatile("dsb st");
smp_kick_all_cpus(); /* only those with entry addr set will run */
return 0;
}

36
arch/arm/cpu/armv8/fsl-lsch3/mp.h Normal file
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@ -0,0 +1,36 @@
/*
* Copyright 2014, Freescale Semiconductor
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _FSL_CH3_MP_H
#define _FSL_CH3_MP_H
/*
* Each spin table element is defined as
* struct {
* uint64_t entry_addr;
* uint64_t status;
* uint64_t lpid;
* };
* we pad this struct to 64 bytes so each entry is in its own cacheline
* the actual spin table is an array of these structures
*/
#define SPIN_TABLE_ELEM_ENTRY_ADDR_IDX 0
#define SPIN_TABLE_ELEM_STATUS_IDX 1
#define SPIN_TABLE_ELEM_LPID_IDX 2
#define WORDS_PER_SPIN_TABLE_ENTRY 8 /* pad to 64 bytes */
#define SPIN_TABLE_ELEM_SIZE 64
#define id_to_core(x) ((x & 3) | (x >> 6))
#ifndef __ASSEMBLY__
extern u64 __spin_table[];
extern u64 *secondary_boot_code;
extern size_t __secondary_boot_code_size;
int fsl_lsch3_wake_seconday_cores(void);
void *get_spin_tbl_addr(void);
phys_addr_t determine_mp_bootpg(void);
void secondary_boot_func(void);
#endif
#endif /* _FSL_CH3_MP_H */

63
arch/arm/cpu/armv8/transition.S
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@ -14,70 +14,11 @@
ENTRY(armv8_switch_to_el2)
switch_el x0, 1f, 0f, 0f
0: ret
1:
mov x0, #0x5b1 /* Non-secure EL0/EL1 | HVC | 64bit EL2 */
msr scr_el3, x0
msr cptr_el3, xzr /* Disable coprocessor traps to EL3 */
mov x0, #0x33ff
msr cptr_el2, x0 /* Disable coprocessor traps to EL2 */
/* Initialize SCTLR_EL2 */
msr sctlr_el2, xzr
/* Return to the EL2_SP2 mode from EL3 */
mov x0, sp
msr sp_el2, x0 /* Migrate SP */
mrs x0, vbar_el3
msr vbar_el2, x0 /* Migrate VBAR */
mov x0, #0x3c9
msr spsr_el3, x0 /* EL2_SP2 | D | A | I | F */
msr elr_el3, lr
eret
1: armv8_switch_to_el2_m x0
ENDPROC(armv8_switch_to_el2)
ENTRY(armv8_switch_to_el1)
switch_el x0, 0f, 1f, 0f
0: ret
1:
/* Initialize Generic Timers */
mrs x0, cnthctl_el2
orr x0, x0, #0x3 /* Enable EL1 access to timers */
msr cnthctl_el2, x0
msr cntvoff_el2, xzr
mrs x0, cntkctl_el1
orr x0, x0, #0x3 /* Enable EL0 access to timers */
msr cntkctl_el1, x0
/* Initilize MPID/MPIDR registers */
mrs x0, midr_el1
mrs x1, mpidr_el1
msr vpidr_el2, x0
msr vmpidr_el2, x1
/* Disable coprocessor traps */
mov x0, #0x33ff
msr cptr_el2, x0 /* Disable coprocessor traps to EL2 */
msr hstr_el2, xzr /* Disable coprocessor traps to EL2 */
mov x0, #3 << 20
msr cpacr_el1, x0 /* Enable FP/SIMD at EL1 */
/* Initialize HCR_EL2 */
mov x0, #(1 << 31) /* 64bit EL1 */
orr x0, x0, #(1 << 29) /* Disable HVC */
msr hcr_el2, x0
/* SCTLR_EL1 initialization */
mov x0, #0x0800
movk x0, #0x30d0, lsl #16
msr sctlr_el1, x0
/* Return to the EL1_SP1 mode from EL2 */
mov x0, sp
msr sp_el1, x0 /* Migrate SP */
mrs x0, vbar_el2
msr vbar_el1, x0 /* Migrate VBAR */
mov x0, #0x3c5
msr spsr_el2, x0 /* EL1_SP1 | D | A | I | F */
msr elr_el2, lr
eret
1: armv8_switch_to_el1_m x0, x1
ENDPROC(armv8_switch_to_el1)

6
arch/arm/include/asm/arch-fsl-lsch3/config.h
View File

@ -8,7 +8,7 @@
#define _ASM_ARMV8_FSL_LSCH3_CONFIG_
#include <fsl_ddrc_version.h>
#define CONFIG_MP
#define CONFIG_SYS_FSL_OCRAM_BASE 0x18000000 /* initial RAM */
/* Link Definitions */
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_FSL_OCRAM_BASE + 0xfff0)
@ -16,8 +16,10 @@
#define CONFIG_SYS_IMMR 0x01000000
#define CONFIG_SYS_FSL_DDR_ADDR (CONFIG_SYS_IMMR + 0x00080000)
#define CONFIG_SYS_FSL_DDR2_ADDR (CONFIG_SYS_IMMR + 0x00090000)
#define CONFIG_SYS_FSL_DDR3_ADDR 0x08210000
#define CONFIG_SYS_FSL_GUTS_ADDR (CONFIG_SYS_IMMR + 0x00E00000)
#define CONFIG_SYS_FSL_PMU_ADDR (CONFIG_SYS_IMMR + 0x00E30000)
#define CONFIG_SYS_FSL_RST_ADDR (CONFIG_SYS_IMMR + 0x00E60000)
#define CONFIG_SYS_FSL_CH3_CLK_GRPA_ADDR (CONFIG_SYS_IMMR + 0x00300000)
#define CONFIG_SYS_FSL_CH3_CLK_GRPB_ADDR (CONFIG_SYS_IMMR + 0x00310000)
#define CONFIG_SYS_FSL_CH3_CLK_CTRL_ADDR (CONFIG_SYS_IMMR + 0x00370000)
@ -60,7 +62,7 @@
#ifdef CONFIG_LS2085A
#define CONFIG_MAX_CPUS 16
#define CONFIG_SYS_FSL_IFC_BANK_COUNT 8
#define CONFIG_NUM_DDR_CONTROLLERS 2
#define CONFIG_NUM_DDR_CONTROLLERS 3
#define CONFIG_SYS_FSL_CLUSTER_CLOCKS { 1, 1, 4, 4 }
#else
#error SoC not defined

35
arch/arm/include/asm/arch-fsl-lsch3/immap_lsch3.h
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@ -113,4 +113,39 @@ struct ccsr_clk_ctrl {
u8 res_04[0x20-0x04];
} clkcncsr[8];
};
struct ccsr_reset {
u32 rstcr; /* 0x000 */
u32 rstcrsp; /* 0x004 */
u8 res_008[0x10-0x08]; /* 0x008 */
u32 rstrqmr1; /* 0x010 */
u32 rstrqmr2; /* 0x014 */
u32 rstrqsr1; /* 0x018 */
u32 rstrqsr2; /* 0x01c */
u32 rstrqwdtmrl; /* 0x020 */
u32 rstrqwdtmru; /* 0x024 */
u8 res_028[0x30-0x28]; /* 0x028 */
u32 rstrqwdtsrl; /* 0x030 */
u32 rstrqwdtsru; /* 0x034 */
u8 res_038[0x60-0x38]; /* 0x038 */
u32 brrl; /* 0x060 */
u32 brru; /* 0x064 */
u8 res_068[0x80-0x68]; /* 0x068 */
u32 pirset; /* 0x080 */
u32 pirclr; /* 0x084 */
u8 res_088[0x90-0x88]; /* 0x088 */
u32 brcorenbr; /* 0x090 */
u8 res_094[0x100-0x94]; /* 0x094 */
u32 rcw_reqr; /* 0x100 */
u32 rcw_completion; /* 0x104 */
u8 res_108[0x110-0x108]; /* 0x108 */
u32 pbi_reqr; /* 0x110 */
u32 pbi_completion; /* 0x114 */
u8 res_118[0xa00-0x118]; /* 0x118 */
u32 qmbm_warmrst; /* 0xa00 */
u32 soc_warmrst; /* 0xa04 */
u8 res_a08[0xbf8-0xa08]; /* 0xa08 */
u32 ip_rev1; /* 0xbf8 */
u32 ip_rev2; /* 0xbfc */
};
#endif /* __ARCH_FSL_LSCH3_IMMAP_H */

5
arch/arm/include/asm/arch-ls102xa/config.h
View File

@ -50,7 +50,11 @@
#ifdef CONFIG_DDR_SPD
#define CONFIG_SYS_FSL_DDR_BE
#define CONFIG_VERY_BIG_RAM
#ifdef CONFIG_SYS_FSL_DDR4
#define CONFIG_SYS_FSL_DDRC_GEN4
#else
#define CONFIG_SYS_FSL_DDRC_ARM_GEN3
#endif
#define CONFIG_SYS_FSL_DDR
#define CONFIG_SYS_LS1_DDR_BLOCK1_SIZE ((phys_size_t)2 << 30)
#define CONFIG_MAX_MEM_MAPPED CONFIG_SYS_LS1_DDR_BLOCK1_SIZE
@ -71,6 +75,7 @@
#define CONFIG_MAX_CPUS 2
#define CONFIG_SYS_FSL_IFC_BANK_COUNT 8
#define CONFIG_NUM_DDR_CONTROLLERS 1
#define CONFIG_SYS_FSL_DDR_VER FSL_DDR_VER_5_0
#else
#error SoC not defined
#endif

93
arch/arm/include/asm/macro.h
View File

@ -105,6 +105,99 @@ lr .req x30
cbz \xreg1, \master_label
.endm
.macro armv8_switch_to_el2_m, xreg1
/* 64bit EL2 | HCE | SMD | RES1 (Bits[5:4]) | Non-secure EL0/EL1 */
mov \xreg1, #0x5b1
msr scr_el3, \xreg1
msr cptr_el3, xzr /* Disable coprocessor traps to EL3 */
mov \xreg1, #0x33ff
msr cptr_el2, \xreg1 /* Disable coprocessor traps to EL2 */
/* Initialize SCTLR_EL2
*
* setting RES1 bits (29,28,23,22,18,16,11,5,4) to 1
* and RES0 bits (31,30,27,26,24,21,20,17,15-13,10-6) +
* EE,WXN,I,SA,C,A,M to 0
*/
mov \xreg1, #0x0830
movk \xreg1, #0x30C5, lsl #16
msr sctlr_el2, \xreg1
/* Return to the EL2_SP2 mode from EL3 */
mov \xreg1, sp
msr sp_el2, \xreg1 /* Migrate SP */
mrs \xreg1, vbar_el3
msr vbar_el2, \xreg1 /* Migrate VBAR */
mov \xreg1, #0x3c9
msr spsr_el3, \xreg1 /* EL2_SP2 | D | A | I | F */
msr elr_el3, lr
eret
.endm
.macro armv8_switch_to_el1_m, xreg1, xreg2
/* Initialize Generic Timers */
mrs \xreg1, cnthctl_el2
orr \xreg1, \xreg1, #0x3 /* Enable EL1 access to timers */
msr cnthctl_el2, \xreg1
msr cntvoff_el2, xzr
/* Initilize MPID/MPIDR registers */
mrs \xreg1, midr_el1
mrs \xreg2, mpidr_el1
msr vpidr_el2, \xreg1
msr vmpidr_el2, \xreg2
/* Disable coprocessor traps */
mov \xreg1, #0x33ff
msr cptr_el2, \xreg1 /* Disable coprocessor traps to EL2 */
msr hstr_el2, xzr /* Disable coprocessor traps to EL2 */
mov \xreg1, #3 << 20
msr cpacr_el1, \xreg1 /* Enable FP/SIMD at EL1 */
/* Initialize HCR_EL2 */
mov \xreg1, #(1 << 31) /* 64bit EL1 */
orr \xreg1, \xreg1, #(1 << 29) /* Disable HVC */
msr hcr_el2, \xreg1
/* SCTLR_EL1 initialization
*
* setting RES1 bits (29,28,23,22,20,11) to 1
* and RES0 bits (31,30,27,21,17,13,10,6) +
* UCI,EE,EOE,WXN,nTWE,nTWI,UCT,DZE,I,UMA,SED,ITD,
* CP15BEN,SA0,SA,C,A,M to 0
*/
mov \xreg1, #0x0800
movk \xreg1, #0x30d0, lsl #16
msr sctlr_el1, \xreg1
/* Return to the EL1_SP1 mode from EL2 */
mov \xreg1, sp
msr sp_el1, \xreg1 /* Migrate SP */
mrs \xreg1, vbar_el2
msr vbar_el1, \xreg1 /* Migrate VBAR */
mov \xreg1, #0x3c5
msr spsr_el2, \xreg1 /* EL1_SP1 | D | A | I | F */
msr elr_el2, lr
eret
.endm
#if defined(CONFIG_GICV3)
.macro gic_wait_for_interrupt_m xreg1
0 : wfi
mrs \xreg1, ICC_IAR1_EL1
msr ICC_EOIR1_EL1, \xreg1
cbnz \xreg1, 0b
.endm
#elif defined(CONFIG_GICV2)
.macro gic_wait_for_interrupt_m xreg1, wreg2
0 : wfi
ldr \wreg2, [\xreg1, GICC_AIAR]
str \wreg2, [\xreg1, GICC_AEOIR]
and \wreg2, \wreg2, #3ff
cbnz \wreg2, 0b
.endm
#endif
#endif /* CONFIG_ARM64 */
#endif /* __ASSEMBLY__ */

10
arch/arm/lib/gic_64.S
View File

@ -10,8 +10,8 @@
#include <asm-offsets.h>
#include <config.h>
#include <linux/linkage.h>
#include <asm/macro.h>
#include <asm/gic.h>
#include <asm/macro.h>
/*************************************************************************
@ -181,14 +181,10 @@ ENDPROC(gic_kick_secondary_cpus)
*
*************************************************************************/
ENTRY(gic_wait_for_interrupt)
0: wfi
#if defined(CONFIG_GICV3)
mrs x9, ICC_IAR1_EL1
msr ICC_EOIR1_EL1, x9
gic_wait_for_interrupt_m x9
#elif defined(CONFIG_GICV2)
ldr w9, [x0, GICC_AIAR]
str w9, [x0, GICC_AEOIR]
gic_wait_for_interrupt_m x0, w9
#endif
cbnz w9, 0b
ret
ENDPROC(gic_wait_for_interrupt)

4
arch/powerpc/cpu/mpc85xx/cpu.c
View File

@ -441,7 +441,7 @@ phys_size_t initdram(int board_type)
/* Board-specific functions defined in each board's ddr.c */
void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
unsigned int ctrl_num);
unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl);
void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
phys_addr_t *rpn);
unsigned int
@ -459,7 +459,7 @@ static void dump_spd_ddr_reg(void)
spd[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR];
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
fsl_ddr_get_spd(spd[i], i);
fsl_ddr_get_spd(spd[i], i, CONFIG_DIMM_SLOTS_PER_CTLR);
puts("SPD data of all dimms (zero vaule is omitted)...\n");
puts("Byte (hex) ");

1
board/freescale/ls1021aqds/MAINTAINERS
View File

@ -4,3 +4,4 @@ S: Maintained
F: board/freescale/ls1021aqds/
F: include/configs/ls1021aqds.h
F: configs/ls1021aqds_nor_defconfig
F: configs/ls1021aqds_ddr4_nor_defconfig

9
board/freescale/ls1021aqds/ddr.c
View File

@ -79,7 +79,6 @@ found:
*/
popts->wrlvl_override = 1;
popts->wrlvl_sample = 0xf;
popts->cswl_override = DDR_CSWL_CS0;
/*
* Rtt and Rtt_WR override
@ -89,9 +88,17 @@ found:
/* Enable ZQ calibration */
popts->zq_en = 1;
#ifdef CONFIG_SYS_FSL_DDR4
popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_80ohm);
popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_80ohm) |
DDR_CDR2_VREF_OVRD(70); /* Vref = 70% */
#else
popts->cswl_override = DDR_CSWL_CS0;
/* DHC_EN =1, ODT = 75 Ohm */
popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm);
popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
#endif
}
#ifdef CONFIG_SYS_DDR_RAW_TIMING

10
board/freescale/ls1021aqds/ddr.h
View File

@ -30,6 +30,13 @@ static const struct board_specific_parameters udimm0[] = {
* num| hi| rank| clk| wrlvl | wrlvl | wrlvl | cpo |wrdata|2T
* ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |delay |
*/
#ifdef CONFIG_SYS_FSL_DDR4
{2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,},
{2, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,},
{1, 1666, 0, 4, 8, 0x090A0B0B, 0x0C0D0E0C,},
{1, 1900, 0, 4, 9, 0x0A0B0C0B, 0x0D0E0F0D,},
{1, 2200, 0, 4, 10, 0x0B0C0D0C, 0x0E0F110E,},
#elif defined(CONFIG_SYS_FSL_DDR3)
{1, 833, 1, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
{1, 1350, 1, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
{1, 833, 2, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
@ -39,6 +46,9 @@ static const struct board_specific_parameters udimm0[] = {
{2, 1350, 0, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
{2, 1666, 4, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
{2, 1666, 0, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
#else
#error DDR type not defined
#endif
{}
};

34
board/freescale/ls2085a/ddr.c
View File

@ -30,9 +30,9 @@ void fsl_ddr_board_options(memctl_options_t *popts,
* to pbsp = rdimms[ctrl_num] or pbsp = udimms[ctrl_num];
*/
if (popts->registered_dimm_en)
pbsp = rdimms[0];
pbsp = rdimms[ctrl_num];
else
pbsp = udimms[0];
pbsp = udimms[ctrl_num];
/* Get clk_adjust, wrlvl_start, wrlvl_ctl, according to the board ddr
@ -72,6 +72,12 @@ found:
pbsp->clk_adjust, pbsp->wrlvl_start, pbsp->wrlvl_ctl_2,
pbsp->wrlvl_ctl_3);
if (ctrl_num == CONFIG_DP_DDR_CTRL) {
/* force DDR bus width to 32 bits */
popts->data_bus_width = 1;
popts->otf_burst_chop_en = 0;
popts->burst_length = DDR_BL8;
}
/*
* Factors to consider for half-strength driver enable:
* - number of DIMMs installed
@ -163,6 +169,10 @@ phys_size_t initdram(int board_type)
void dram_init_banksize(void)
{
#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
phys_size_t dp_ddr_size;
#endif
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
if (gd->ram_size > CONFIG_SYS_LS2_DDR_BLOCK1_SIZE) {
gd->bd->bi_dram[0].size = CONFIG_SYS_LS2_DDR_BLOCK1_SIZE;
@ -172,4 +182,24 @@ void dram_init_banksize(void)
} else {
gd->bd->bi_dram[0].size = gd->ram_size;
}
#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
/* initialize DP-DDR here */
puts("DP-DDR: ");
/*
* DDR controller use 0 as the base address for binding.
* It is mapped to CONFIG_SYS_DP_DDR_BASE for core to access.
*/
dp_ddr_size = fsl_other_ddr_sdram(CONFIG_SYS_DP_DDR_BASE_PHY,
CONFIG_DP_DDR_CTRL,
CONFIG_DP_DDR_NUM_CTRLS,
CONFIG_DP_DDR_DIMM_SLOTS_PER_CTLR,
NULL, NULL, NULL);
if (dp_ddr_size) {
gd->bd->bi_dram[2].start = CONFIG_SYS_DP_DDR_BASE;
gd->bd->bi_dram[2].size = dp_ddr_size;
} else {
puts("Not detected");
}
#endif
}

29
board/freescale/ls2085a/ddr.h
View File

@ -33,6 +33,18 @@ static const struct board_specific_parameters udimm0[] = {
{}
};
/* DP-DDR DIMM */
static const struct board_specific_parameters udimm2[] = {
/*
* memory controller 2
* num| hi| rank| clk| wrlvl | wrlvl | wrlvl
* ranks| mhz| GB |adjst| start | ctl2 | ctl3
*/
{2, 2140, 0, 4, 4, 0x0, 0x0},
{1, 2140, 0, 4, 4, 0x0, 0x0},
{}
};
static const struct board_specific_parameters rdimm0[] = {
/*
* memory controller 0
@ -45,12 +57,29 @@ static const struct board_specific_parameters rdimm0[] = {
{}
};
/* DP-DDR DIMM */
static const struct board_specific_parameters rdimm2[] = {
/*
* memory controller 2
* num| hi| rank| clk| wrlvl | wrlvl | wrlvl
* ranks| mhz| GB |adjst| start | ctl2 | ctl3
*/
{4, 2140, 0, 5, 4, 0x0, 0x0},
{2, 2140, 0, 5, 4, 0x0, 0x0},
{1, 2140, 0, 4, 4, 0x0, 0x0},
{}
};
static const struct board_specific_parameters *udimms[] = {
udimm0,
udimm0,
udimm2,
};
static const struct board_specific_parameters *rdimms[] = {
rdimm0,
rdimm0,
rdimm2,
};

21
board/freescale/ls2085a/ls2085a.c
View File

@ -13,12 +13,18 @@
#include <fdt_support.h>
#include <libfdt.h>
#include <fsl_mc.h>
#include <environment.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
init_final_memctl_regs();
#ifdef CONFIG_ENV_IS_NOWHERE
gd->env_addr = (ulong)&default_environment[0];
#endif
return 0;
}
@ -29,9 +35,20 @@ int board_early_init_f(void)
return 0;
}
void detail_board_ddr_info(void)
{
puts("\nDDR ");
print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
print_ddr_info(0);
if (gd->bd->bi_dram[2].size) {
puts("\nDP-DDR ");
print_size(gd->bd->bi_dram[2].size, "");
print_ddr_info(CONFIG_DP_DDR_CTRL);
}
}
int dram_init(void)
{
printf("DRAM: ");
gd->ram_size = initdram(0);
return 0;
@ -88,6 +105,8 @@ void ft_board_setup(void *blob, bd_t *bd)
phys_addr_t base;
phys_size_t size;
ft_cpu_setup(blob, bd);
/* limit the memory size to bank 1 until Linux can handle 40-bit PA */
base = getenv_bootm_low();
size = getenv_bootm_size();

11
common/fdt_support.c
View File

@ -930,15 +930,6 @@ void fdt_del_node_and_alias(void *blob, const char *alias)
fdt_delprop(blob, off, alias);
}
/* Helper to read a big number; size is in cells (not bytes) */
static inline u64 of_read_number(const fdt32_t *cell, int size)
{
u64 r = 0;
while (size--)
r = (r << 32) | fdt32_to_cpu(*(cell++));
return r;
}
#define PRu64 "%llx"
/* Max address size we deal with */
@ -972,7 +963,7 @@ struct of_bus {
};
/* Default translator (generic bus) */
static void of_bus_default_count_cells(void *blob, int parentoffset,
void of_bus_default_count_cells(void *blob, int parentoffset,
int *addrc, int *sizec)
{
const fdt32_t *prop;

3
configs/ls1021aqds_ddr4_nor_defconfig Normal file
View File

@ -0,0 +1,3 @@
CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4"
CONFIG_ARM=y
CONFIG_TARGET_LS1021AQDS=y

37
drivers/ddr/fsl/ctrl_regs.c
View File

@ -297,10 +297,13 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr,
unsigned char taxpd_mclk = 0;
/* Mode register set cycle time (tMRD). */
unsigned char tmrd_mclk;
#if defined(CONFIG_SYS_FSL_DDR4) || defined(CONFIG_SYS_FSL_DDR3)
const unsigned int mclk_ps = get_memory_clk_period_ps();
#endif
#ifdef CONFIG_SYS_FSL_DDR4
/* tXP=max(4nCK, 6ns) */
int txp = max((get_memory_clk_period_ps() * 4), 6000); /* unit=ps */
int txp = max(mclk_ps * 4, 6000); /* unit=ps */
trwt_mclk = 2;
twrt_mclk = 1;
act_pd_exit_mclk = picos_to_mclk(txp);
@ -311,16 +314,19 @@ static void set_timing_cfg_0(fsl_ddr_cfg_regs_t *ddr,
*/
tmrd_mclk = max(24, picos_to_mclk(15000));
#elif defined(CONFIG_SYS_FSL_DDR3)
unsigned int data_rate = get_ddr_freq(0);
int txp;
/*
* (tXARD and tXARDS). Empirical?
* The DDR3 spec has not tXARD,
* we use the tXP instead of it.
* tXP=max(3nCK, 7.5ns) for DDR3.
* tXP=max(3nCK, 7.5ns) for DDR3-800, 1066
* max(3nCK, 6ns) for DDR3-1333, 1600, 1866, 2133
* spec has not the tAXPD, we use
* tAXPD=1, need design to confirm.
*/
int txp = max((get_memory_clk_period_ps() * 3), 7500); /* unit=ps */
unsigned int data_rate = get_ddr_freq(0);
txp = max(mclk_ps * 3, (mclk_ps > 1540 ? 7500 : 6000));
tmrd_mclk = 4;
/* set the turnaround time */
@ -578,6 +584,9 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr,
unsigned char cke_pls;
/* Window for four activates (tFAW) */
unsigned short four_act;
#ifdef CONFIG_SYS_FSL_DDR3
const unsigned int mclk_ps = get_memory_clk_period_ps();
#endif
/* FIXME add check that this must be less than acttorw_mclk */
add_lat_mclk = additive_latency;
@ -619,10 +628,17 @@ static void set_timing_cfg_2(fsl_ddr_cfg_regs_t *ddr,
#ifdef CONFIG_SYS_FSL_DDR4
cpo = 0;
cke_pls = max(3, picos_to_mclk(5000));
#elif defined(CONFIG_SYS_FSL_DDR3)
/*
* cke pulse = max(3nCK, 7.5ns) for DDR3-800
* max(3nCK, 5.625ns) for DDR3-1066, 1333
* max(3nCK, 5ns) for DDR3-1600, 1866, 2133
*/
cke_pls = max(3, picos_to_mclk(mclk_ps > 1870 ? 7500 :
(mclk_ps > 1245 ? 5625 : 5000)));
#else
cke_pls = picos_to_mclk(popts->tcke_clock_pulse_width_ps);
cke_pls = FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR;
#endif
four_act = picos_to_mclk(popts->tfaw_window_four_activates_ps);
ddr->timing_cfg_2 = (0
@ -1886,9 +1902,12 @@ static void set_timing_cfg_9(fsl_ddr_cfg_regs_t *ddr)
debug("FSLDDR: timing_cfg_9 = 0x%08x\n", ddr->timing_cfg_9);
}
/* This function needs to be called after set_ddr_sdram_cfg() is called */
static void set_ddr_dq_mapping(fsl_ddr_cfg_regs_t *ddr,
const dimm_params_t *dimm_params)
{
unsigned int acc_ecc_en = (ddr->ddr_sdram_cfg >> 2) & 0x1;
ddr->dq_map_0 = ((dimm_params->dq_mapping[0] & 0x3F) << 26) |
((dimm_params->dq_mapping[1] & 0x3F) << 20) |
((dimm_params->dq_mapping[2] & 0x3F) << 14) |
@ -1907,9 +1926,11 @@ static void set_ddr_dq_mapping(fsl_ddr_cfg_regs_t *ddr,
((dimm_params->dq_mapping[15] & 0x3F) << 8) |
((dimm_params->dq_mapping[16] & 0x3F) << 2);
/* dq_map for ECC[4:7] is set to 0 if accumulated ECC is enabled */
ddr->dq_map_3 = ((dimm_params->dq_mapping[17] & 0x3F) << 26) |
((dimm_params->dq_mapping[8] & 0x3F) << 20) |
((dimm_params->dq_mapping[9] & 0x3F) << 14) |
(acc_ecc_en ? 0 :
(dimm_params->dq_mapping[9] & 0x3F) << 14) |
dimm_params->dq_mapping_ors;
debug("FSLDDR: dq_map_0 = 0x%08x\n", ddr->dq_map_0);
@ -2276,7 +2297,7 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
if (ip_rev > 0x40400)
unq_mrs_en = 1;
if (ip_rev > 0x40700)
if ((ip_rev > 0x40700) && (popts->cswl_override != 0))
ddr->debug[18] = popts->cswl_override;
set_ddr_sdram_cfg_2(ddr, popts, unq_mrs_en);

12
drivers/ddr/fsl/ddr4_dimm_params.c
View File

@ -113,7 +113,7 @@ compute_ranksize(const struct ddr4_spd_eeprom_s *spd)
#define spd_to_ps(mtb, ftb) \
(mtb * pdimm->mtb_ps + (ftb * pdimm->ftb_10th_ps) / 10)
/*
* ddr_compute_dimm_parameters for DDR3 SPD
* ddr_compute_dimm_parameters for DDR4 SPD
*
* Compute DIMM parameters based upon the SPD information in spd.
* Writes the results to the dimm_params_t structure pointed by pdimm.
@ -165,17 +165,17 @@ ddr_compute_dimm_parameters(const generic_spd_eeprom_t *spd,
+ pdimm->ec_sdram_width;
pdimm->device_width = 1 << ((spd->organization & 0x7) + 2);
/* These are the types defined by the JEDEC DDR3 SPD spec */
/* These are the types defined by the JEDEC SPD spec */
pdimm->mirrored_dimm = 0;
pdimm->registered_dimm = 0;
switch (spd->module_type & DDR3_SPD_MODULETYPE_MASK) {
case DDR3_SPD_MODULETYPE_RDIMM:
switch (spd->module_type & DDR4_SPD_MODULETYPE_MASK) {
case DDR4_SPD_MODULETYPE_RDIMM:
/* Registered/buffered DIMMs */
pdimm->registered_dimm = 1;
break;
case DDR3_SPD_MODULETYPE_UDIMM:
case DDR3_SPD_MODULETYPE_SO_DIMM:
case DDR4_SPD_MODULETYPE_UDIMM:
case DDR4_SPD_MODULETYPE_SO_DIMM:
/* Unbuffered DIMMs */
if (spd->mod_section.unbuffered.addr_mapping & 0x1)
pdimm->mirrored_dimm = 1;

3
drivers/ddr/fsl/fsl_ddr_gen4.c
View File

@ -216,7 +216,7 @@ step2:
* For example, 2GB on 666MT/s 64-bit bus takes about 402ms
* Let's wait for 800ms
*/
bus_width = 3 - ((ddr->sdram_cfg & SDRAM_CFG_DBW_MASK)
bus_width = 3 - ((ddr_in32(&ddr->sdram_cfg) & SDRAM_CFG_DBW_MASK)
>> SDRAM_CFG_DBW_SHIFT);
timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 /
(get_ddr_freq(0) >> 20)) << 2;
@ -233,5 +233,4 @@ step2:
if (timeout <= 0)
printf("Waiting for D_INIT timeout. Memory may not work.\n");
}

2
drivers/ddr/fsl/interactive.c
View File

@ -517,7 +517,6 @@ static void fsl_ddr_options_edit(fsl_ddr_info_t *pinfo,
CTRL_OPTIONS(rcw_2),
CTRL_OPTIONS(ddr_cdr1),
CTRL_OPTIONS(ddr_cdr2),
CTRL_OPTIONS(tcke_clock_pulse_width_ps),
CTRL_OPTIONS(tfaw_window_four_activates_ps),
CTRL_OPTIONS(trwt_override),
CTRL_OPTIONS(trwt),
@ -808,7 +807,6 @@ static void print_memctl_options(const memctl_options_t *popts)
CTRL_OPTIONS(rcw_2),
CTRL_OPTIONS_HEX(ddr_cdr1),
CTRL_OPTIONS_HEX(ddr_cdr2),
CTRL_OPTIONS(tcke_clock_pulse_width_ps),
CTRL_OPTIONS(tfaw_window_four_activates_ps),
CTRL_OPTIONS(trwt_override),
CTRL_OPTIONS(trwt),

248
drivers/ddr/fsl/main.c
View File

@ -135,7 +135,7 @@ __attribute__((weak, alias("__get_spd")))
void get_spd(generic_spd_eeprom_t *spd, u8 i2c_address);
void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
unsigned int ctrl_num)
unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl)
{
unsigned int i;
unsigned int i2c_address = 0;
@ -145,14 +145,14 @@ void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
return;
}
for (i = 0; i < CONFIG_DIMM_SLOTS_PER_CTLR; i++) {
for (i = 0; i < dimm_slots_per_ctrl; i++) {
i2c_address = spd_i2c_addr[ctrl_num][i];
get_spd(&(ctrl_dimms_spd[i]), i2c_address);
}
}
#else
void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
unsigned int ctrl_num)
unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl)
{
}
#endif /* SPD_EEPROM_ADDRESSx */
@ -231,9 +231,11 @@ const char * step_to_string(unsigned int step) {
static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo,
unsigned int dbw_cap_adj[])
{
int i, j;
unsigned int i, j;
unsigned long long total_mem, current_mem_base, total_ctlr_mem;
unsigned long long rank_density, ctlr_density = 0;
unsigned int first_ctrl = pinfo->first_ctrl;
unsigned int last_ctrl = first_ctrl + pinfo->num_ctrls - 1;
/*
* If a reduced data width is requested, but the SPD
@ -241,7 +243,7 @@ static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo,
* computed dimm capacities accordingly before
* assigning addresses.
*/
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
unsigned int found = 0;
switch (pinfo->memctl_opts[i].data_bus_width) {
@ -295,12 +297,12 @@ static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo,
debug("dbw_cap_adj[%d]=%d\n", i, dbw_cap_adj[i]);
}
current_mem_base = CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY;
current_mem_base = pinfo->mem_base;
total_mem = 0;
if (pinfo->memctl_opts[0].memctl_interleaving) {
rank_density = pinfo->dimm_params[0][0].rank_density >>
dbw_cap_adj[0];
switch (pinfo->memctl_opts[0].ba_intlv_ctl &
if (pinfo->memctl_opts[first_ctrl].memctl_interleaving) {
rank_density = pinfo->dimm_params[first_ctrl][0].rank_density >>
dbw_cap_adj[first_ctrl];
switch (pinfo->memctl_opts[first_ctrl].ba_intlv_ctl &
FSL_DDR_CS0_CS1_CS2_CS3) {
case FSL_DDR_CS0_CS1_CS2_CS3:
ctlr_density = 4 * rank_density;
@ -316,7 +318,7 @@ static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo,
}
debug("rank density is 0x%llx, ctlr density is 0x%llx\n",
rank_density, ctlr_density);
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
if (pinfo->memctl_opts[i].memctl_interleaving) {
switch (pinfo->memctl_opts[i].memctl_interleaving_mode) {
case FSL_DDR_256B_INTERLEAVING:
@ -372,7 +374,7 @@ static unsigned long long __step_assign_addresses(fsl_ddr_info_t *pinfo,
* Simple linear assignment if memory
* controllers are not interleaved.
*/
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
total_ctlr_mem = 0;
pinfo->common_timing_params[i].base_address =
current_mem_base;
@ -408,18 +410,23 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
{
unsigned int i, j;
unsigned long long total_mem = 0;
int assert_reset;
int assert_reset = 0;
unsigned int first_ctrl = pinfo->first_ctrl;
unsigned int last_ctrl = first_ctrl + pinfo->num_ctrls - 1;
__maybe_unused int retval;
__maybe_unused bool goodspd = false;
__maybe_unused int dimm_slots_per_ctrl = pinfo->dimm_slots_per_ctrl;
fsl_ddr_cfg_regs_t *ddr_reg = pinfo->fsl_ddr_config_reg;
common_timing_params_t *timing_params = pinfo->common_timing_params;
assert_reset = board_need_mem_reset();
if (pinfo->board_need_mem_reset)
assert_reset = pinfo->board_need_mem_reset();
/* data bus width capacity adjust shift amount */
unsigned int dbw_capacity_adjust[CONFIG_NUM_DDR_CONTROLLERS];
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++)
dbw_capacity_adjust[i] = 0;
}
debug("starting at step %u (%s)\n",
start_step, step_to_string(start_step));
@ -428,28 +435,28 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
case STEP_GET_SPD:
#if defined(CONFIG_DDR_SPD) || defined(CONFIG_SPD_EEPROM)
/* STEP 1: Gather all DIMM SPD data */
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
fsl_ddr_get_spd(pinfo->spd_installed_dimms[i], i);
for (i = first_ctrl; i <= last_ctrl; i++) {
fsl_ddr_get_spd(pinfo->spd_installed_dimms[i], i,
dimm_slots_per_ctrl);
}
case STEP_COMPUTE_DIMM_PARMS:
/* STEP 2: Compute DIMM parameters from SPD data */
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
unsigned int retval;
generic_spd_eeprom_t *spd =
&(pinfo->spd_installed_dimms[i][j]);
dimm_params_t *pdimm =
&(pinfo->dimm_params[i][j]);
retval = compute_dimm_parameters(spd, pdimm, i);
#ifdef CONFIG_SYS_DDR_RAW_TIMING
if (!i && !j && retval) {
printf("SPD error on controller %d! "
"Trying fallback to raw timing "
"calculation\n", i);
fsl_ddr_get_dimm_params(pdimm, i, j);
retval = fsl_ddr_get_dimm_params(pdimm,
i, j);
}
#else
if (retval == 2) {
@ -463,13 +470,26 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
debug("Warning: compute_dimm_parameters"
" non-zero return value for memctl=%u "
"dimm=%u\n", i, j);
} else {
goodspd = true;
}
}
}
if (!goodspd) {
/*
* No valid SPD found
* Throw an error if this is for main memory, i.e.
* first_ctrl == 0. Otherwise, siliently return 0
* as the memory size.
*/
if (first_ctrl == 0)
printf("Error: No valid SPD detected.\n");
return 0;
}
#elif defined(CONFIG_SYS_DDR_RAW_TIMING)
case STEP_COMPUTE_DIMM_PARMS:
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
dimm_params_t *pdimm =
&(pinfo->dimm_params[i][j]);
@ -483,7 +503,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
* STEP 3: Compute a common set of timing parameters
* suitable for all of the DIMMs on each memory controller
*/
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
debug("Computing lowest common DIMM"
" parameters for memctl=%u\n", i);
compute_lowest_common_dimm_parameters(
@ -494,7 +514,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
case STEP_GATHER_OPTS:
/* STEP 4: Gather configuration requirements from user */
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
debug("Reloading memory controller "
"configuration options for memctl=%u\n", i);
/*
@ -516,9 +536,13 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
if (timing_params[i].all_dimms_registered)
assert_reset = 1;
}
if (assert_reset) {
debug("Asserting mem reset\n");
board_assert_mem_reset();
if (assert_reset && !size_only) {
if (pinfo->board_mem_reset) {
debug("Asserting mem reset\n");
pinfo->board_mem_reset();
} else {
debug("Asserting mem reset missing\n");
}
}
case STEP_ASSIGN_ADDRESSES:
@ -530,7 +554,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
case STEP_COMPUTE_REGS:
/* STEP 6: compute controller register values */
debug("FSL Memory ctrl register computation\n");
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
if (timing_params[i].ndimms_present == 0) {
memset(&ddr_reg[i], 0,
sizeof(fsl_ddr_cfg_regs_t));
@ -558,7 +582,7 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
*/
unsigned int max_end = 0;
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
for (j = 0; j < CONFIG_CHIP_SELECTS_PER_CTRL; j++) {
fsl_ddr_cfg_regs_t *reg = &ddr_reg[i];
if (reg->cs[j].config & 0x80000000) {
@ -578,53 +602,45 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
}
total_mem = 1 + (((unsigned long long)max_end << 24ULL) |
0xFFFFFFULL) - CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY;
0xFFFFFFULL) - pinfo->mem_base;
}
return total_mem;
}
/*
* fsl_ddr_sdram() -- this is the main function to be called by
* initdram() in the board file.
*
* It returns amount of memory configured in bytes.
*/
phys_size_t fsl_ddr_sdram(void)
phys_size_t __fsl_ddr_sdram(fsl_ddr_info_t *pinfo)
{
unsigned int i;
unsigned int i, first_ctrl, last_ctrl;
#ifdef CONFIG_PPC
unsigned int law_memctl = LAW_TRGT_IF_DDR_1;
#endif
unsigned long long total_memory;
fsl_ddr_info_t info;
int deassert_reset;
int deassert_reset = 0;
/* Reset info structure. */
memset(&info, 0, sizeof(fsl_ddr_info_t));
first_ctrl = pinfo->first_ctrl;
last_ctrl = first_ctrl + pinfo->num_ctrls - 1;
/* Compute it once normally. */
#ifdef CONFIG_FSL_DDR_INTERACTIVE
if (tstc() && (getc() == 'd')) { /* we got a key press of 'd' */
total_memory = fsl_ddr_interactive(&info, 0);
total_memory = fsl_ddr_interactive(pinfo, 0);
} else if (fsl_ddr_interactive_env_var_exists()) {
total_memory = fsl_ddr_interactive(&info, 1);
total_memory = fsl_ddr_interactive(pinfo, 1);
} else
#endif
total_memory = fsl_ddr_compute(&info, STEP_GET_SPD, 0);
total_memory = fsl_ddr_compute(pinfo, STEP_GET_SPD, 0);
/* setup 3-way interleaving before enabling DDRC */
if (info.memctl_opts[0].memctl_interleaving) {
switch (info.memctl_opts[0].memctl_interleaving_mode) {
case FSL_DDR_3WAY_1KB_INTERLEAVING:
case FSL_DDR_3WAY_4KB_INTERLEAVING:
case FSL_DDR_3WAY_8KB_INTERLEAVING:
fsl_ddr_set_intl3r(
info.memctl_opts[0].memctl_interleaving_mode);
break;
default:
break;
}
switch (pinfo->memctl_opts[first_ctrl].memctl_interleaving_mode) {
case FSL_DDR_3WAY_1KB_INTERLEAVING:
case FSL_DDR_3WAY_4KB_INTERLEAVING:
case FSL_DDR_3WAY_8KB_INTERLEAVING:
fsl_ddr_set_intl3r(
pinfo->memctl_opts[first_ctrl].
memctl_interleaving_mode);
break;
default:
break;
}
/*
@ -637,14 +653,15 @@ phys_size_t fsl_ddr_sdram(void)
* For non-registered DIMMs, initialization can go through but it is
* also OK to follow the same flow.
*/
deassert_reset = board_need_mem_reset();
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
if (info.common_timing_params[i].all_dimms_registered)
if (pinfo->board_need_mem_reset)
deassert_reset = pinfo->board_need_mem_reset();
for (i = first_ctrl; i <= last_ctrl; i++) {
if (pinfo->common_timing_params[i].all_dimms_registered)
deassert_reset = 1;
}
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
for (i = first_ctrl; i <= last_ctrl; i++) {
debug("Programming controller %u\n", i);
if (info.common_timing_params[i].ndimms_present == 0) {
if (pinfo->common_timing_params[i].ndimms_present == 0) {
debug("No dimms present on controller %u; "
"skipping programming\n", i);
continue;
@ -653,45 +670,58 @@ phys_size_t fsl_ddr_sdram(void)
* The following call with step = 1 returns before enabling
* the controller. It has to finish with step = 2 later.
*/
fsl_ddr_set_memctl_regs(&(info.fsl_ddr_config_reg[i]), i,
fsl_ddr_set_memctl_regs(&(pinfo->fsl_ddr_config_reg[i]), i,
deassert_reset ? 1 : 0);
}
if (deassert_reset) {
/* Use board FPGA or GPIO to deassert reset signal */
debug("Deasserting mem reset\n");
board_deassert_mem_reset();
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
if (pinfo->board_mem_de_reset) {
debug("Deasserting mem reset\n");
pinfo->board_mem_de_reset();
} else {
debug("Deasserting mem reset missing\n");
}
for (i = first_ctrl; i <= last_ctrl; i++) {
/* Call with step = 2 to continue initialization */
fsl_ddr_set_memctl_regs(&(info.fsl_ddr_config_reg[i]),
fsl_ddr_set_memctl_regs(&(pinfo->fsl_ddr_config_reg[i]),
i, 2);
}
}
#ifdef CONFIG_PPC
/* program LAWs */
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
if (info.memctl_opts[i].memctl_interleaving) {
switch (info.memctl_opts[i].memctl_interleaving_mode) {
for (i = first_ctrl; i <= last_ctrl; i++) {
if (pinfo->memctl_opts[i].memctl_interleaving) {
switch (pinfo->memctl_opts[i].
memctl_interleaving_mode) {
case FSL_DDR_CACHE_LINE_INTERLEAVING:
case FSL_DDR_PAGE_INTERLEAVING:
case FSL_DDR_BANK_INTERLEAVING:
case FSL_DDR_SUPERBANK_INTERLEAVING:
if (i % 2)
break;
if (i == 0) {
law_memctl = LAW_TRGT_IF_DDR_INTRLV;
fsl_ddr_set_lawbar(&info.common_timing_params[i],
law_memctl, i);
} else if (i == 2) {
law_memctl = LAW_TRGT_IF_DDR_INTLV_34;
fsl_ddr_set_lawbar(&info.common_timing_params[i],
fsl_ddr_set_lawbar(
&pinfo->common_timing_params[i],
law_memctl, i);
}
#if CONFIG_NUM_DDR_CONTROLLERS > 3
else if (i == 2) {
law_memctl = LAW_TRGT_IF_DDR_INTLV_34;
fsl_ddr_set_lawbar(
&pinfo->common_timing_params[i],
law_memctl, i);
}
#endif
break;
case FSL_DDR_3WAY_1KB_INTERLEAVING:
case FSL_DDR_3WAY_4KB_INTERLEAVING:
case FSL_DDR_3WAY_8KB_INTERLEAVING:
law_memctl = LAW_TRGT_IF_DDR_INTLV_123;
if (i == 0) {
fsl_ddr_set_lawbar(&info.common_timing_params[i],
fsl_ddr_set_lawbar(
&pinfo->common_timing_params[i],
law_memctl, i);
}
break;
@ -700,7 +730,8 @@ phys_size_t fsl_ddr_sdram(void)
case FSL_DDR_4WAY_8KB_INTERLEAVING:
law_memctl = LAW_TRGT_IF_DDR_INTLV_1234;
if (i == 0)
fsl_ddr_set_lawbar(&info.common_timing_params[i],
fsl_ddr_set_lawbar(
&pinfo->common_timing_params[i],
law_memctl, i);
/* place holder for future 4-way interleaving */
break;
@ -724,8 +755,8 @@ phys_size_t fsl_ddr_sdram(void)
default:
break;
}
fsl_ddr_set_lawbar(&info.common_timing_params[i],
law_memctl, i);
fsl_ddr_set_lawbar(&pinfo->common_timing_params[i],
law_memctl, i);
}
}
#endif
@ -734,7 +765,7 @@ phys_size_t fsl_ddr_sdram(void)
#if !defined(CONFIG_PHYS_64BIT)
/* Check for 4G or more. Bad. */
if (total_memory >= (1ull << 32)) {
if ((first_ctrl == 0) && (total_memory >= (1ull << 32))) {
puts("Detected ");
print_size(total_memory, " of memory\n");
printf(" This U-Boot only supports < 4G of DDR\n");
@ -748,8 +779,56 @@ phys_size_t fsl_ddr_sdram(void)
}
/*
* fsl_ddr_sdram_size() - This function only returns the size of the total
* memory without setting ddr control registers.
* fsl_ddr_sdram(void) -- this is the main function to be
* called by initdram() in the board file.
*
* It returns amount of memory configured in bytes.
*/
phys_size_t fsl_ddr_sdram(void)
{
fsl_ddr_info_t info;
/* Reset info structure. */
memset(&info, 0, sizeof(fsl_ddr_info_t));
info.mem_base = CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY;
info.first_ctrl = 0;
info.num_ctrls = CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS;
info.dimm_slots_per_ctrl = CONFIG_DIMM_SLOTS_PER_CTLR;
info.board_need_mem_reset = board_need_mem_reset;
info.board_mem_reset = board_assert_mem_reset;
info.board_mem_de_reset = board_deassert_mem_reset;
return __fsl_ddr_sdram(&info);
}
#ifdef CONFIG_SYS_FSL_OTHER_DDR_NUM_CTRLS
phys_size_t fsl_other_ddr_sdram(unsigned long long base,
unsigned int first_ctrl,
unsigned int num_ctrls,
unsigned int dimm_slots_per_ctrl,
int (*board_need_reset)(void),
void (*board_reset)(void),
void (*board_de_reset)(void))
{
fsl_ddr_info_t info;
/* Reset info structure. */
memset(&info, 0, sizeof(fsl_ddr_info_t));
info.mem_base = base;
info.first_ctrl = first_ctrl;
info.num_ctrls = num_ctrls;
info.dimm_slots_per_ctrl = dimm_slots_per_ctrl;
info.board_need_mem_reset = board_need_reset;
info.board_mem_reset = board_reset;
info.board_mem_de_reset = board_de_reset;
return __fsl_ddr_sdram(&info);
}
#endif
/*
* fsl_ddr_sdram_size(first_ctrl, last_intlv) - This function only returns the
* size of the total memory without setting ddr control registers.
*/
phys_size_t
fsl_ddr_sdram_size(void)
@ -758,6 +837,11 @@ fsl_ddr_sdram_size(void)
unsigned long long total_memory = 0;
memset(&info, 0 , sizeof(fsl_ddr_info_t));
info.mem_base = CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY;
info.first_ctrl = 0;
info.num_ctrls = CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS;
info.dimm_slots_per_ctrl = CONFIG_DIMM_SLOTS_PER_CTLR;
info.board_need_mem_reset = NULL;
/* Compute it once normally. */
total_memory = fsl_ddr_compute(&info, STEP_GET_SPD, 1);

27
drivers/ddr/fsl/options.c
View File

@ -777,10 +777,6 @@ unsigned int populate_memctl_options(int all_dimms_registered,
*/
popts->bstopre = 0x100;
/* Minimum CKE pulse width -- tCKE(MIN) */
popts->tcke_clock_pulse_width_ps
= mclk_to_picos(FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR);
/*
* Window for four activates -- tFAW
*
@ -1065,18 +1061,21 @@ void check_interleaving_options(fsl_ddr_info_t *pinfo)
unsigned int check_intlv, check_n_row_addr, check_n_col_addr;
unsigned long long check_rank_density;
struct dimm_params_s *dimm;
int first_ctrl = pinfo->first_ctrl;
int last_ctrl = first_ctrl + pinfo->num_ctrls - 1;
/*
* Check if all controllers are configured for memory
* controller interleaving. Identical dimms are recommended. At least
* the size, row and col address should be checked.
*/
j = 0;
check_n_ranks = pinfo->dimm_params[0][0].n_ranks;
check_rank_density = pinfo->dimm_params[0][0].rank_density;
check_n_row_addr = pinfo->dimm_params[0][0].n_row_addr;
check_n_col_addr = pinfo->dimm_params[0][0].n_col_addr;
check_intlv = pinfo->memctl_opts[0].memctl_interleaving_mode;
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) {
check_n_ranks = pinfo->dimm_params[first_ctrl][0].n_ranks;
check_rank_density = pinfo->dimm_params[first_ctrl][0].rank_density;
check_n_row_addr = pinfo->dimm_params[first_ctrl][0].n_row_addr;
check_n_col_addr = pinfo->dimm_params[first_ctrl][0].n_col_addr;
check_intlv = pinfo->memctl_opts[first_ctrl].memctl_interleaving_mode;
for (i = first_ctrl; i <= last_ctrl; i++) {
dimm = &pinfo->dimm_params[i][0];
if (!pinfo->memctl_opts[i].memctl_interleaving) {
continue;
@ -1094,7 +1093,7 @@ void check_interleaving_options(fsl_ddr_info_t *pinfo)
}
if (intlv_invalid) {
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
for (i = first_ctrl; i <= last_ctrl; i++)
pinfo->memctl_opts[i].memctl_interleaving = 0;
printf("Not all DIMMs are identical. "
"Memory controller interleaving disabled.\n");
@ -1123,10 +1122,10 @@ void check_interleaving_options(fsl_ddr_info_t *pinfo)
}
debug("%d of %d controllers are interleaving.\n", j, k);
if (j && (j != k)) {
for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++)
for (i = first_ctrl; i <= last_ctrl; i++)
pinfo->memctl_opts[i].memctl_interleaving = 0;
printf("Not all controllers have compatible "
"interleaving mode. All disabled.\n");
if ((last_ctrl - first_ctrl) > 1)
puts("Not all controllers have compatible interleaving mode. All disabled.\n");
}
}
debug("Checking interleaving options completed\n");

26
drivers/ddr/fsl/util.c
View File

@ -149,7 +149,7 @@ u32 fsl_ddr_get_intl3r(void)
return val;
}
void board_add_ram_info(int use_default)
void print_ddr_info(unsigned int start_ctrl)
{
struct ccsr_ddr __iomem *ddr =
(struct ccsr_ddr __iomem *)(CONFIG_SYS_FSL_DDR_ADDR);
@ -164,17 +164,25 @@ void board_add_ram_info(int use_default)
int cas_lat;
#if CONFIG_NUM_DDR_CONTROLLERS >= 2
if (!(sdram_cfg & SDRAM_CFG_MEM_EN)) {
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 (!(sdram_cfg & SDRAM_CFG_MEM_EN)) {
if ((!(sdram_cfg & SDRAM_CFG_MEM_EN)) ||
(start_ctrl == 2)) {
ddr = (void __iomem *)CONFIG_SYS_FSL_DDR3_ADDR;
sdram_cfg = ddr_in32(&ddr->sdram_cfg);
}
#endif
if (!(sdram_cfg & SDRAM_CFG_MEM_EN)) {
puts(" (DDR not enabled)\n");
return;
}
puts(" (DDR");
switch ((sdram_cfg & SDRAM_CFG_SDRAM_TYPE_MASK) >>
SDRAM_CFG_SDRAM_TYPE_SHIFT) {
@ -241,7 +249,7 @@ void board_add_ram_info(int use_default)
#endif
#endif
#if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
if (cs0_config & 0x20000000) {
if ((cs0_config & 0x20000000) && (start_ctrl == 0)) {
puts("\n");
puts(" DDR Controller Interleaving Mode: ");
@ -290,3 +298,13 @@ void board_add_ram_info(int use_default)
}
}
}
void __weak detail_board_ddr_info(void)
{
print_ddr_info(0);
}
void board_add_ram_info(int use_default)
{
detail_board_ddr_info();
}

8
drivers/mtd/nand/fsl_elbc_nand.c
View File

@ -37,7 +37,6 @@
#define MAX_BANKS 8
#define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */
#define FCM_TIMEOUT_MSECS 10 /* Maximum number of mSecs to wait for FCM */
#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
@ -199,7 +198,8 @@ static int fsl_elbc_run_command(struct mtd_info *mtd)
struct fsl_elbc_mtd *priv = chip->priv;
struct fsl_elbc_ctrl *ctrl = priv->ctrl;
fsl_lbc_t *lbc = ctrl->regs;
long long end_tick;
u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
u32 time_start;
u32 ltesr;
/* Setup the FMR[OP] to execute without write protection */
@ -218,10 +218,10 @@ static int fsl_elbc_run_command(struct mtd_info *mtd)
out_be32(&lbc->lsor, priv->bank);
/* wait for FCM complete flag or timeout */
end_tick = usec2ticks(FCM_TIMEOUT_MSECS * 1000) + get_ticks();
time_start = get_timer(0);
ltesr = 0;
while (end_tick > get_ticks()) {
while (get_timer(time_start) < timeo) {
ltesr = in_be32(&lbc->ltesr);
if (ltesr & LTESR_CC)
break;

21
drivers/mtd/nand/fsl_ifc_nand.c
View File

@ -26,8 +26,6 @@
#define MAX_BANKS CONFIG_SYS_FSL_IFC_BANK_COUNT
#define ERR_BYTE 0xFF /* Value returned for read bytes
when read failed */
#define IFC_TIMEOUT_MSECS 10 /* Maximum number of mSecs to wait for IFC
NAND Machine */
struct fsl_ifc_ctrl;
@ -292,7 +290,8 @@ static int fsl_ifc_run_command(struct mtd_info *mtd)
struct fsl_ifc_mtd *priv = chip->priv;
struct fsl_ifc_ctrl *ctrl = priv->ctrl;
struct fsl_ifc *ifc = ctrl->regs;
long long end_tick;
u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
u32 time_start;
u32 eccstat[4];
int i;
@ -304,9 +303,9 @@ static int fsl_ifc_run_command(struct mtd_info *mtd)
IFC_NAND_SEQ_STRT_FIR_STRT);
/* wait for NAND Machine complete flag or timeout */
end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks();
time_start = get_timer(0);
while (end_tick > get_ticks()) {
while (get_timer(time_start) < timeo) {
ctrl->status = ifc_in32(&ifc->ifc_nand.nand_evter_stat);
if (ctrl->status & IFC_NAND_EVTER_STAT_OPC)
@ -812,15 +811,16 @@ static int fsl_ifc_sram_init(uint32_t ver)
struct fsl_ifc *ifc = ifc_ctrl->regs;
uint32_t cs = 0, csor = 0, csor_8k = 0, csor_ext = 0;
uint32_t ncfgr = 0;
long long end_tick;
u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
u32 time_start;
if (ver > FSL_IFC_V1_1_0) {
ncfgr = ifc_in32(&ifc->ifc_nand.ncfgr);
ifc_out32(&ifc->ifc_nand.ncfgr, ncfgr | IFC_NAND_SRAM_INIT_EN);
/* wait for SRAM_INIT bit to be clear or timeout */
end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks();
while (end_tick > get_ticks()) {
time_start = get_timer(0);
while (get_timer(time_start) < timeo) {
ifc_ctrl->status =
ifc_in32(&ifc->ifc_nand.nand_evter_stat);
@ -863,10 +863,9 @@ static int fsl_ifc_sram_init(uint32_t ver)
/* start read seq */
ifc_out32(&ifc->ifc_nand.nandseq_strt, IFC_NAND_SEQ_STRT_FIR_STRT);
/* wait for NAND Machine complete flag or timeout */
end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks();
time_start = get_timer(0);
while (end_tick > get_ticks()) {
while (get_timer(time_start) < timeo) {
ifc_ctrl->status = ifc_in32(&ifc->ifc_nand.nand_evter_stat);
if (ifc_ctrl->status & IFC_NAND_EVTER_STAT_OPC)

4
include/configs/ls1021aqds.h
View File

@ -49,10 +49,12 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_DDR_SPD
#define SPD_EEPROM_ADDRESS 0x51
#define CONFIG_SYS_SPD_BUS_NUM 0
#define CONFIG_SYS_DDR_RAW_TIMING
#define CONFIG_FSL_DDR_INTERACTIVE /* Interactive debugging */
#ifndef CONFIG_SYS_FSL_DDR4
#define CONFIG_SYS_FSL_DDR3 /* Use DDR3 memory */
#define CONFIG_SYS_DDR_RAW_TIMING
#endif
#define CONFIG_DIMM_SLOTS_PER_CTLR 1
#define CONFIG_CHIP_SELECTS_PER_CTRL 4

87
include/configs/ls2085a_common.h
View File

@ -15,9 +15,11 @@
#define CONFIG_GICV3
/* Link Definitions */
#define CONFIG_SYS_TEXT_BASE 0x30000000
#define CONFIG_SYS_TEXT_BASE 0x30001000
#ifdef CONFIG_EMU
#define CONFIG_SYS_NO_FLASH
#endif
#define CONFIG_SUPPORT_RAW_INITRD
@ -45,13 +47,27 @@
#define CONFIG_SYS_FSL_DDR_INTLV_256B /* force 256 byte interleaving */
/* SMP Definitions */
#define CPU_RELEASE_ADDR CONFIG_SYS_INIT_SP_ADDR
#define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000UL
#define CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY 0
#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE
#define CONFIG_SYS_DDR_BLOCK2_BASE 0x8080000000ULL
#define CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS 2
/*
* SMP Definitinos
*/
#define CPU_RELEASE_ADDR secondary_boot_func
#define CONFIG_SYS_FSL_OTHER_DDR_NUM_CTRLS
#define CONFIG_SYS_DP_DDR_BASE 0x6000000000ULL
/*
* DDR controller use 0 as the base address for binding.
* It is mapped to CONFIG_SYS_DP_DDR_BASE for core to access.
*/
#define CONFIG_SYS_DP_DDR_BASE_PHY 0
#define CONFIG_DP_DDR_CTRL 2
#define CONFIG_DP_DDR_NUM_CTRLS 1
#define CONFIG_DP_DDR_DIMM_SLOTS_PER_CTLR 1
/* Generic Timer Definitions */
#define COUNTER_FREQUENCY 12000000 /* 12MHz */
@ -118,6 +134,66 @@
#define CONFIG_SYS_NOR_FTIM3 0x04000000
#define CONFIG_SYS_IFC_CCR 0x01000000
#ifndef CONFIG_SYS_NO_FLASH
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
#define CONFIG_SYS_FLASH_QUIET_TEST
#define CONFIG_FLASH_SHOW_PROGRESS 45 /* count down from 45/5: 9..1 */
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* number of banks */
#define CONFIG_SYS_MAX_FLASH_SECT 1024 /* sectors per device */
#define CONFIG_SYS_FLASH_ERASE_TOUT 60000 /* Flash Erase Timeout (ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (ms) */
#define CONFIG_SYS_FLASH_EMPTY_INFO
#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
#endif
#define CONFIG_NAND_FSL_IFC
#define CONFIG_SYS_NAND_MAX_ECCPOS 256
#define CONFIG_SYS_NAND_MAX_OOBFREE 2
#define CONFIG_SYS_NAND_BASE 0x520000000
#define CONFIG_SYS_NAND_BASE_PHYS 0x20000000
#define CONFIG_SYS_NAND_CSPR_EXT (0x0)
#define CONFIG_SYS_NAND_CSPR (CSPR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
| CSPR_PORT_SIZE_8 /* Port Size = 8 bit */ \
| CSPR_MSEL_NAND /* MSEL = NAND */ \
| CSPR_V)
#define CONFIG_SYS_NAND_AMASK IFC_AMASK(64 * 1024)
#define CONFIG_SYS_NAND_CSOR (CSOR_NAND_ECC_ENC_EN /* ECC on encode */ \
| CSOR_NAND_ECC_DEC_EN /* ECC on decode */ \
| CSOR_NAND_ECC_MODE_4 /* 4-bit ECC */ \
| CSOR_NAND_RAL_3 /* RAL = 2Byes */ \
| CSOR_NAND_PGS_2K /* Page Size = 2K */ \
| CSOR_NAND_SPRZ_64/* Spare size = 64 */ \
| CSOR_NAND_PB(64)) /*Pages Per Block = 64*/
#define CONFIG_SYS_NAND_ONFI_DETECTION
/* ONFI NAND Flash mode0 Timing Params */
#define CONFIG_SYS_NAND_FTIM0 (FTIM0_NAND_TCCST(0x07) | \
FTIM0_NAND_TWP(0x18) | \
FTIM0_NAND_TWCHT(0x07) | \
FTIM0_NAND_TWH(0x0a))
#define CONFIG_SYS_NAND_FTIM1 (FTIM1_NAND_TADLE(0x32) | \
FTIM1_NAND_TWBE(0x39) | \
FTIM1_NAND_TRR(0x0e) | \
FTIM1_NAND_TRP(0x18))
#define CONFIG_SYS_NAND_FTIM2 (FTIM2_NAND_TRAD(0x0f) | \
FTIM2_NAND_TREH(0x0a) | \
FTIM2_NAND_TWHRE(0x1e))
#define CONFIG_SYS_NAND_FTIM3 0x0
#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE }
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_MTD_NAND_VERIFY_WRITE
#define CONFIG_CMD_NAND
#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
#define CONFIG_SYS_CSPR0_EXT CONFIG_SYS_NOR0_CSPR_EXT
#define CONFIG_SYS_CSPR0 CONFIG_SYS_NOR0_CSPR_EARLY
#define CONFIG_SYS_CSPR0_FINAL CONFIG_SYS_NOR0_CSPR
@ -167,6 +243,7 @@
/* Miscellaneous configurable options */
#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000)
#define CONFIG_ARCH_EARLY_INIT_R
/* Physical Memory Map */
/* fixme: these need to be checked against the board */
@ -174,7 +251,7 @@
#define CONFIG_SYS_CLK_FREQ 133333333
#define CONFIG_NR_DRAM_BANKS 2
#define CONFIG_NR_DRAM_BANKS 3
#define CONFIG_SYS_HZ 1000

1
include/configs/ls2085a_emu.h
View File

@ -13,6 +13,7 @@
#define CONFIG_SYS_FSL_DDR_EMU /* Support emulator */
#define SPD_EEPROM_ADDRESS1 0x51
#define SPD_EEPROM_ADDRESS2 0x52
#define SPD_EEPROM_ADDRESS3 0x53
#define SPD_EEPROM_ADDRESS SPD_EEPROM_ADDRESS1
#define CONFIG_SYS_SPD_BUS_NUM 1 /* SPD on I2C bus 1 */

9
include/configs/ls2085a_simu.h
View File

@ -13,4 +13,13 @@
#define CONFIG_SMC91111
#define CONFIG_SMC91111_BASE (0x2210000)
#define CONFIG_SYS_CSPR1_EXT CONFIG_SYS_NAND_CSPR_EXT
#define CONFIG_SYS_CSPR1 CONFIG_SYS_NAND_CSPR
#define CONFIG_SYS_AMASK1 CONFIG_SYS_NAND_AMASK
#define CONFIG_SYS_CSOR1 CONFIG_SYS_NAND_CSOR
#define CONFIG_SYS_CS1_FTIM0 CONFIG_SYS_NAND_FTIM0
#define CONFIG_SYS_CS1_FTIM1 CONFIG_SYS_NAND_FTIM1
#define CONFIG_SYS_CS1_FTIM2 CONFIG_SYS_NAND_FTIM2
#define CONFIG_SYS_CS1_FTIM3 CONFIG_SYS_NAND_FTIM3
#endif /* __LS2_SIMU_H */

12
include/fdt_support.h
View File

@ -133,6 +133,18 @@ static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
}
/* Helper to read a big number; size is in cells (not bytes) */
static inline u64 of_read_number(const fdt32_t *cell, int size)
{
u64 r = 0;
while (size--)
r = (r << 32) | fdt32_to_cpu(*(cell++));
return r;
}
void of_bus_default_count_cells(void *blob, int parentoffset,
int *addrc, int *sizec);
#endif /* ifdef CONFIG_OF_LIBFDT */
#ifdef USE_HOSTCC

15
include/fsl_ddr.h
View File

@ -15,6 +15,11 @@
#include <common_timing_params.h>
#ifndef CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS
/* All controllers are for main memory */
#define CONFIG_SYS_FSL_DDR_MAIN_NUM_CTRLS CONFIG_NUM_DDR_CONTROLLERS
#endif
#ifdef CONFIG_SYS_FSL_DDR_LE
#define ddr_in32(a) in_le32(a)
#define ddr_out32(a, v) out_le32(a, v)
@ -57,6 +62,13 @@ typedef struct {
memctl_options_t memctl_opts[CONFIG_SYS_NUM_DDR_CTLRS];
common_timing_params_t common_timing_params[CONFIG_SYS_NUM_DDR_CTLRS];
fsl_ddr_cfg_regs_t fsl_ddr_config_reg[CONFIG_SYS_NUM_DDR_CTLRS];
unsigned int first_ctrl;
unsigned int num_ctrls;
unsigned long long mem_base;
unsigned int dimm_slots_per_ctrl;
int (*board_need_mem_reset)(void);
void (*board_mem_reset)(void);
void (*board_mem_de_reset)(void);
} fsl_ddr_info_t;
/* Compute steps */
@ -72,7 +84,6 @@ typedef struct {
unsigned long long
fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
unsigned int size_only);
const char *step_to_string(unsigned int step);
unsigned int compute_fsl_memctl_config_regs(const memctl_options_t *popts,
@ -102,7 +113,7 @@ void fsl_ddr_set_lawbar(
int fsl_ddr_interactive_env_var_exists(void);
unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo, int var_is_set);
void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
unsigned int ctrl_num);
unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl);
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
unsigned int check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr);

18
include/fsl_ddr_sdram.h
View File

@ -51,7 +51,6 @@ typedef ddr2_spd_eeprom_t generic_spd_eeprom_t;
#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR2
#endif
#elif defined(CONFIG_SYS_FSL_DDR3)
#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3) /* FIXME */
typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
#ifndef CONFIG_FSL_SDRAM_TYPE
#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR3
@ -352,7 +351,6 @@ typedef struct memctl_options_s {
unsigned int twot_en;
unsigned int threet_en;
unsigned int bstopre;
unsigned int tcke_clock_pulse_width_ps; /* tCKE */
unsigned int tfaw_window_four_activates_ps; /* tFAW -- FOUR_ACT */
/* Rtt impedance */
@ -379,12 +377,20 @@ typedef struct memctl_options_s {
unsigned int trwt; /* read-to-write turnaround */
} memctl_options_t;
extern phys_size_t fsl_ddr_sdram(void);
extern phys_size_t fsl_ddr_sdram_size(void);
phys_size_t fsl_ddr_sdram(void);
phys_size_t fsl_ddr_sdram_size(void);
phys_size_t fsl_other_ddr_sdram(unsigned long long base,
unsigned int first_ctrl,
unsigned int num_ctrls,
unsigned int dimm_slots_per_ctrl,
int (*board_need_reset)(void),
void (*board_reset)(void),
void (*board_de_reset)(void));
extern int fsl_use_spd(void);
extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
unsigned int ctrl_num, int step);
void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
unsigned int ctrl_num, int step);
u32 fsl_ddr_get_intl3r(void);
void print_ddr_info(unsigned int start_ctrl);
static void __board_assert_mem_reset(void)
{