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-rw-r--r--arch/arm/cpu/armv8/cache.S6
-rw-r--r--arch/arm/cpu/armv8/cache_v8.c18
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/cpu.c62
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/fdt.c28
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/lowlevel.S132
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/mp.c8
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/mp.h1
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/speed.c16
8 files changed, 196 insertions, 75 deletions
diff --git a/arch/arm/cpu/armv8/cache.S b/arch/arm/cpu/armv8/cache.S
index 9c6e8243bb..fa447bce16 100644
--- a/arch/arm/cpu/armv8/cache.S
+++ b/arch/arm/cpu/armv8/cache.S
@@ -155,3 +155,9 @@ ENTRY(__asm_invalidate_icache_all)
isb sy
ret
ENDPROC(__asm_invalidate_icache_all)
+
+ENTRY(__asm_flush_l3_cache)
+ mov x0, #0 /* return status as success */
+ ret
+ENDPROC(__asm_flush_l3_cache)
+ .weak __asm_flush_l3_cache
diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index 9dbcdf22af..c5ec5297cd 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -73,17 +73,21 @@ void invalidate_dcache_all(void)
__asm_invalidate_dcache_all();
}
-void __weak flush_l3_cache(void)
-{
-}
-
/*
- * Performs a clean & invalidation of the entire data cache at all levels
+ * Performs a clean & invalidation of the entire data cache at all levels.
+ * This function needs to be inline to avoid using stack.
+ * __asm_flush_l3_cache return status of timeout
*/
-void flush_dcache_all(void)
+inline void flush_dcache_all(void)
{
+ int ret;
+
__asm_flush_dcache_all();
- flush_l3_cache();
+ ret = __asm_flush_l3_cache();
+ if (ret)
+ debug("flushing dcache returns 0x%x\n", ret);
+ else
+ debug("flushing dcache successfully.\n");
}
/*
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
index 47b947f44f..49974878b9 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
@@ -10,10 +10,10 @@
#include <asm/armv8/mmu.h>
#include <asm/io.h>
#include <asm/arch-fsl-lsch3/immap_lsch3.h>
+#include <fsl-mc/fsl_mc.h>
#include "cpu.h"
#include "mp.h"
#include "speed.h"
-#include <fsl_mc.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -150,7 +150,7 @@ static inline void final_mmu_setup(void)
* set level 2 table 0 to cache-inhibit, covering 0 to 1GB
*/
section_l1t0 = 0;
- section_l1t1 = BLOCK_SIZE_L0;
+ section_l1t1 = BLOCK_SIZE_L0 | PMD_SECT_OUTER_SHARE;
section_l2 = 0;
for (i = 0; i < 512; i++) {
set_pgtable_section(level1_table_0, i, section_l1t0,
@@ -168,10 +168,10 @@ static inline void final_mmu_setup(void)
(u64)level2_table_0 | PMD_TYPE_TABLE;
level1_table_0[2] =
0x80000000 | PMD_SECT_AF | PMD_TYPE_SECT |
- PMD_ATTRINDX(MT_NORMAL);
+ PMD_SECT_OUTER_SHARE | PMD_ATTRINDX(MT_NORMAL);
level1_table_0[3] =
0xc0000000 | PMD_SECT_AF | PMD_TYPE_SECT |
- PMD_ATTRINDX(MT_NORMAL);
+ PMD_SECT_OUTER_SHARE | PMD_ATTRINDX(MT_NORMAL);
/* Rewrite table to enable cache */
set_pgtable_section(level2_table_0,
@@ -243,59 +243,6 @@ int arch_cpu_init(void)
}
/*
- * flush_l3_cache
- * Dickens L3 cache can be flushed by transitioning from FAM to SFONLY power
- * state, by writing to HP-F P-state request register.
- * Fixme: This function should moved to a common file if other SoCs also use
- * the same Dickens.
- */
-#define HNF0_PSTATE_REQ 0x04200010
-#define HNF1_PSTATE_REQ 0x04210010
-#define HNF2_PSTATE_REQ 0x04220010
-#define HNF3_PSTATE_REQ 0x04230010
-#define HNF4_PSTATE_REQ 0x04240010
-#define HNF5_PSTATE_REQ 0x04250010
-#define HNF6_PSTATE_REQ 0x04260010
-#define HNF7_PSTATE_REQ 0x04270010
-#define HNFPSTAT_MASK (0xFFFFFFFFFFFFFFFC)
-#define HNFPSTAT_FAM 0x3
-#define HNFPSTAT_SFONLY 0x01
-
-static void hnf_pstate_req(u64 *ptr, u64 state)
-{
- int timeout = 1000;
- out_le64(ptr, (in_le64(ptr) & HNFPSTAT_MASK) | (state & 0x3));
- ptr++;
- /* checking if the transition is completed */
- while (timeout > 0) {
- if (((in_le64(ptr) & 0x0c) >> 2) == (state & 0x3))
- break;
- udelay(100);
- timeout--;
- }
-}
-
-void flush_l3_cache(void)
-{
- hnf_pstate_req((u64 *)HNF0_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF1_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF2_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF3_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF4_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF5_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF6_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF7_PSTATE_REQ, HNFPSTAT_SFONLY);
- hnf_pstate_req((u64 *)HNF0_PSTATE_REQ, HNFPSTAT_FAM);
- hnf_pstate_req((u64 *)HNF1_PSTATE_REQ, HNFPSTAT_FAM);
- hnf_pstate_req((u64 *)HNF2_PSTATE_REQ, HNFPSTAT_FAM);
- hnf_pstate_req((u64 *)HNF3_PSTATE_REQ, HNFPSTAT_FAM);
- hnf_pstate_req((u64 *)HNF4_PSTATE_REQ, HNFPSTAT_FAM);
- hnf_pstate_req((u64 *)HNF5_PSTATE_REQ, HNFPSTAT_FAM);
- hnf_pstate_req((u64 *)HNF6_PSTATE_REQ, HNFPSTAT_FAM);
- hnf_pstate_req((u64 *)HNF7_PSTATE_REQ, HNFPSTAT_FAM);
-}
-
-/*
* This function is called from lib/board.c.
* It recreates MMU table in main memory. MMU and d-cache are enabled earlier.
* There is no need to disable d-cache for this operation.
@@ -420,6 +367,7 @@ int print_cpuinfo(void)
printf("\n Bus: %-4s MHz ",
strmhz(buf, sysinfo.freq_systembus));
printf("DDR: %-4s MHz", strmhz(buf, sysinfo.freq_ddrbus));
+ printf(" DP-DDR: %-4s MHz", strmhz(buf, sysinfo.freq_ddrbus2));
puts("\n");
return 0;
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
index e392eb9149..7eb9b6aa4b 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
@@ -16,7 +16,7 @@ void ft_fixup_cpu(void *blob)
__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
fdt32_t *reg;
int addr_cells;
- u64 val;
+ u64 val, core_id;
size_t *boot_code_size = &(__secondary_boot_code_size);
off = fdt_path_offset(blob, "/cpus");
@@ -29,15 +29,20 @@ void ft_fixup_cpu(void *blob)
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);
+ core_id = of_read_number(reg, addr_cells);
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));
+ if (core_id == 0 || (is_core_online(core_id))) {
+ val = spin_tbl_addr;
+ val += id_to_core(core_id) *
+ 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 {
+ debug("skipping offline core\n");
+ }
} else {
puts("Warning: found cpu node without reg property\n");
}
@@ -55,4 +60,9 @@ void ft_cpu_setup(void *blob, bd_t *bd)
#ifdef CONFIG_MP
ft_fixup_cpu(blob);
#endif
+
+#ifdef CONFIG_SYS_NS16550
+ do_fixup_by_compat_u32(blob, "ns16550",
+ "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
+#endif
}
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/lowlevel.S b/arch/arm/cpu/armv8/fsl-lsch3/lowlevel.S
index 2a88aab283..886576ef99 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/lowlevel.S
+++ b/arch/arm/cpu/armv8/fsl-lsch3/lowlevel.S
@@ -42,10 +42,142 @@ ENTRY(lowlevel_init)
ldr x0, =secondary_boot_func
blr x0
2:
+
+#ifdef CONFIG_FSL_TZPC_BP147
+ /* Set Non Secure access for all devices protected via TZPC */
+ ldr x1, =TZPCDECPROT_0_SET_BASE /* Decode Protection-0 Set Reg */
+ orr w0, w0, #1 << 3 /* DCFG_RESET is accessible from NS world */
+ str w0, [x1]
+
+ isb
+ dsb sy
+#endif
+
+#ifdef CONFIG_FSL_TZASC_400
+ /* Set TZASC so that:
+ * a. We use only Region0 whose global secure write/read is EN
+ * b. We use only Region0 whose NSAID write/read is EN
+ *
+ * NOTE: As per the CCSR map doc, TZASC 3 and TZASC 4 are just
+ * placeholders.
+ */
+ ldr x1, =TZASC_GATE_KEEPER(0)
+ ldr x0, [x1] /* Filter 0 Gate Keeper Register */
+ orr x0, x0, #1 << 0 /* Set open_request for Filter 0 */
+ str x0, [x1]
+
+ ldr x1, =TZASC_GATE_KEEPER(1)
+ ldr x0, [x1] /* Filter 0 Gate Keeper Register */
+ orr x0, x0, #1 << 0 /* Set open_request for Filter 0 */
+ str x0, [x1]
+
+ ldr x1, =TZASC_REGION_ATTRIBUTES_0(0)
+ ldr x0, [x1] /* Region-0 Attributes Register */
+ orr x0, x0, #1 << 31 /* Set Sec global write en, Bit[31] */
+ orr x0, x0, #1 << 30 /* Set Sec global read en, Bit[30] */
+ str x0, [x1]
+
+ ldr x1, =TZASC_REGION_ATTRIBUTES_0(1)
+ ldr x0, [x1] /* Region-1 Attributes Register */
+ orr x0, x0, #1 << 31 /* Set Sec global write en, Bit[31] */
+ orr x0, x0, #1 << 30 /* Set Sec global read en, Bit[30] */
+ str x0, [x1]
+
+ ldr x1, =TZASC_REGION_ID_ACCESS_0(0)
+ ldr w0, [x1] /* Region-0 Access Register */
+ mov w0, #0xFFFFFFFF /* Set nsaid_wr_en and nsaid_rd_en */
+ str w0, [x1]
+
+ ldr x1, =TZASC_REGION_ID_ACCESS_0(1)
+ ldr w0, [x1] /* Region-1 Attributes Register */
+ mov w0, #0xFFFFFFFF /* Set nsaid_wr_en and nsaid_rd_en */
+ str w0, [x1]
+
+ isb
+ dsb sy
+#endif
mov lr, x29 /* Restore LR */
ret
ENDPROC(lowlevel_init)
+hnf_pstate_poll:
+ /* x0 has the desired status, return 0 for success, 1 for timeout
+ * clobber x1, x2, x3, x4, x6, x7
+ */
+ mov x1, x0
+ mov x7, #0 /* flag for timeout */
+ mrs x3, cntpct_el0 /* read timer */
+ add x3, x3, #1200 /* timeout after 100 microseconds */
+ mov x0, #0x18
+ movk x0, #0x420, lsl #16 /* HNF0_PSTATE_STATUS */
+ mov w6, #8 /* HN-F node count */
+1:
+ ldr x2, [x0]
+ cmp x2, x1 /* check status */
+ b.eq 2f
+ mrs x4, cntpct_el0
+ cmp x4, x3
+ b.ls 1b
+ mov x7, #1 /* timeout */
+ b 3f
+2:
+ add x0, x0, #0x10000 /* move to next node */
+ subs w6, w6, #1
+ cbnz w6, 1b
+3:
+ mov x0, x7
+ ret
+
+hnf_set_pstate:
+ /* x0 has the desired state, clobber x1, x2, x6 */
+ mov x1, x0
+ /* power state to SFONLY */
+ mov w6, #8 /* HN-F node count */
+ mov x0, #0x10
+ movk x0, #0x420, lsl #16 /* HNF0_PSTATE_REQ */
+1: /* set pstate to sfonly */
+ ldr x2, [x0]
+ and x2, x2, #0xfffffffffffffffc /* & HNFPSTAT_MASK */
+ orr x2, x2, x1
+ str x2, [x0]
+ add x0, x0, #0x10000 /* move to next node */
+ subs w6, w6, #1
+ cbnz w6, 1b
+
+ ret
+
+ENTRY(__asm_flush_l3_cache)
+ /*
+ * Return status in x0
+ * success 0
+ * tmeout 1 for setting SFONLY, 2 for FAM, 3 for both
+ */
+ mov x29, lr
+ mov x8, #0
+
+ dsb sy
+ mov x0, #0x1 /* HNFPSTAT_SFONLY */
+ bl hnf_set_pstate
+
+ mov x0, #0x4 /* SFONLY status */
+ bl hnf_pstate_poll
+ cbz x0, 1f
+ mov x8, #1 /* timeout */
+1:
+ dsb sy
+ mov x0, #0x3 /* HNFPSTAT_FAM */
+ bl hnf_set_pstate
+
+ mov x0, #0xc /* FAM status */
+ bl hnf_pstate_poll
+ cbz x0, 1f
+ add x8, x8, #0x2
+1:
+ mov x0, x8
+ mov lr, x29
+ ret
+ENDPROC(__asm_flush_l3_cache)
+
/* Keep literals not used by the secondary boot code outside it */
.ltorg
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/mp.c b/arch/arm/cpu/armv8/fsl-lsch3/mp.c
index 94998bf37b..ce9c0c1bdb 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/mp.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/mp.c
@@ -83,6 +83,14 @@ int is_core_valid(unsigned int core)
return !!((1 << core) & cpu_mask());
}
+int is_core_online(u64 cpu_id)
+{
+ u64 *table;
+ int pos = id_to_core(cpu_id);
+ table = (u64 *)get_spin_tbl_addr() + pos * WORDS_PER_SPIN_TABLE_ENTRY;
+ return table[SPIN_TABLE_ELEM_STATUS_IDX] == 1;
+}
+
int cpu_reset(int nr)
{
puts("Feature is not implemented.\n");
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/mp.h b/arch/arm/cpu/armv8/fsl-lsch3/mp.h
index 06ac0bcf36..66144d6101 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/mp.h
+++ b/arch/arm/cpu/armv8/fsl-lsch3/mp.h
@@ -32,5 +32,6 @@ 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);
+int is_core_online(u64 cpu_id);
#endif
#endif /* _FSL_CH3_MP_H */
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/speed.c b/arch/arm/cpu/armv8/fsl-lsch3/speed.c
index dc4a34bce5..72cd999c5f 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/speed.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/speed.c
@@ -77,8 +77,10 @@ void get_sys_info(struct sys_info *sys_info)
sys_info->freq_systembus = sysclk;
#ifdef CONFIG_DDR_CLK_FREQ
sys_info->freq_ddrbus = CONFIG_DDR_CLK_FREQ;
+ sys_info->freq_ddrbus2 = CONFIG_DDR_CLK_FREQ;
#else
sys_info->freq_ddrbus = sysclk;
+ sys_info->freq_ddrbus2 = sysclk;
#endif
sys_info->freq_systembus *= (in_le32(&gur->rcwsr[0]) >>
@@ -87,6 +89,9 @@ void get_sys_info(struct sys_info *sys_info)
sys_info->freq_ddrbus *= (in_le32(&gur->rcwsr[0]) >>
FSL_CHASSIS3_RCWSR0_MEM_PLL_RAT_SHIFT) &
FSL_CHASSIS3_RCWSR0_MEM_PLL_RAT_MASK;
+ sys_info->freq_ddrbus2 *= (in_le32(&gur->rcwsr[0]) >>
+ FSL_CHASSIS3_RCWSR0_MEM2_PLL_RAT_SHIFT) &
+ FSL_CHASSIS3_RCWSR0_MEM2_PLL_RAT_MASK;
for (i = 0; i < CONFIG_SYS_FSL_NUM_CC_PLLS; i++) {
/*
@@ -129,7 +134,7 @@ int get_clocks(void)
gd->cpu_clk = sys_info.freq_processor[0];
gd->bus_clk = sys_info.freq_systembus;
gd->mem_clk = sys_info.freq_ddrbus;
-
+ gd->arch.mem2_clk = sys_info.freq_ddrbus2;
#if defined(CONFIG_FSL_ESDHC)
gd->arch.sdhc_clk = gd->bus_clk / 2;
#endif /* defined(CONFIG_FSL_ESDHC) */
@@ -156,11 +161,18 @@ ulong get_bus_freq(ulong dummy)
* get_ddr_freq
* return ddr bus freq in Hz
*********************************************/
-ulong get_ddr_freq(ulong dummy)
+ulong get_ddr_freq(ulong ctrl_num)
{
if (!gd->mem_clk)
get_clocks();
+ /*
+ * DDR controller 0 & 1 are on memory complex 0
+ * DDR controler 2 is on memory complext 1
+ */
+ if (ctrl_num >= 2)
+ return gd->arch.mem2_clk;
+
return gd->mem_clk;
}
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