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bpmp: Update driver to latest
This commit is contained in:
CTCaer
parent
562a6fb61d
commit
7604239237
4 changed files with 268 additions and 80 deletions
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@ -22,56 +22,101 @@
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#include "../../common/memory_map.h"
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#include "../utils/util.h"
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#define BPMP_MMU_CACHE_LINE_SIZE 0x20
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#define BPMP_CACHE_CONFIG 0x0
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#define CFG_ENABLE (1 << 0)
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#define CFG_ENABLE_CACHE (1 << 0)
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#define CFG_ENABLE_SKEW_ASSOC (1 << 1)
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#define CFG_DISABLE_RANDOM_ALLOC (1 << 2)
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#define CFG_FORCE_WRITE_THROUGH (1 << 3)
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#define CFG_NEVER_ALLOCATE (1 << 6)
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#define CFG_ENABLE_INTERRUPT (1 << 7)
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#define CFG_MMU_TAG_MODE(x) (x << 8)
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#define TAG_MODE_PARALLEL 0
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#define TAG_MODE_TAG_FIRST 1
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#define TAG_MODE_MMU_FIRST 2
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#define CFG_DISABLE_WRITE_BUFFER (1 << 10)
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#define CFG_DISABLE_READ_BUFFER (1 << 11)
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#define CFG_ENABLE_HANG_DETECT (1 << 12)
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#define CFG_FULL_LINE_DIRTY (1 << 13)
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#define CFG_TAG_CHK_ABRT_ON_ERR (1 << 14)
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#define CFG_TAG_CHK_CLR_ERR (1 << 15)
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#define CFG_DISABLE_SAMELINE (1 << 16)
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#define CFG_OBS_BUS_EN (1 << 31)
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#define BPMP_CACHE_LOCK 0x4
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#define LOCK_LINE(x) (1 << x)
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#define BPMP_CACHE_SIZE 0xC
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#define BPMP_CACHE_LFSR 0x10
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#define BPMP_CACHE_TAG_STATUS 0x14
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#define TAG_STATUS_TAG_CHECK_ERROR (1 << 0)
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#define TAG_STATUS_CONFLICT_ADDR_MASK 0xFFFFFFE0
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#define BPMP_CACHE_CLKEN_OVERRIDE 0x18
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#define CLKEN_OVERRIDE_WR_MCCIF_CLKEN (1 << 0)
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#define CLKEN_OVERRIDE_RD_MCCIF_CLKEN (1 << 1)
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#define BPMP_CACHE_MAINT_ADDR 0x20
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#define BPMP_CACHE_MAINT_DATA 0x24
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#define BPMP_CACHE_MAINT_REQ 0x28
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#define MAINT_REQ_WAY_BITMAP(x) ((x) << 8)
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#define BPMP_CACHE_INT_MASK 0x40
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#define BPMP_CACHE_INT_CLEAR 0x44
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#define INT_CLR_MAINT_DONE (1 << 0)
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#define BPMP_CACHE_INT_RAW_EVENT 0x48
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#define INT_RAW_EVENT_MAINT_DONE (1 << 0)
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#define BPMP_CACHE_INT_STATUS 0x4C
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#define INT_MAINT_DONE (1 << 0)
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#define INT_MAINT_ERROR (1 << 1)
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#define BPMP_CACHE_RB_CFG 0x80
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#define BPMP_CACHE_WB_CFG 0x84
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#define BPMP_CACHE_MMU_FALLBACK_ENTRY 0xA0
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#define BPMP_CACHE_MMU_SHADOW_COPY_MASK 0xA4
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#define BPMP_CACHE_MMU_CFG 0xAC
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#define MMU_CFG_BLOCK_MAIN_ENTRY_WR (1 << 0)
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#define MMU_CFG_SEQ_EN (1 << 1)
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#define MMU_CFG_TLB_EN (1 << 2)
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#define MMU_CFG_SEG_CHECK_ALL_ENTRIES (1 << 3)
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#define MMU_CFG_ABORT_STORE_LAST (1 << 4)
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#define MMU_CFG_CLR_ABORT (1 << 5)
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#define BPMP_CACHE_MMU_CMD 0xB0
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#define MMU_CMD_NOP 0
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#define MMU_CMD_INIT 1
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#define MMU_CMD_COPY_SHADOW 2
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#define BPMP_CACHE_MMU_ABORT_STAT 0xB4
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#define ABORT_STAT_UNIT_MASK 0x7
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#define ABORT_STAT_UNIT_NONE 0
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#define ABORT_STAT_UNIT_CACHE 1
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#define ABORT_STAT_UNIT_SEQ 2
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#define ABORT_STAT_UNIT_TLB 3
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#define ABORT_STAT_UNIT_SEG 4
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#define ABORT_STAT_UNIT_FALLBACK 5
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#define ABORT_STAT_OVERLAP (1 << 3)
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#define ABORT_STAT_ENTRY (0x1F << 4)
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#define ABORT_STAT_TYPE_MASK (3 << 16)
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#define ABORT_STAT_TYPE_EXE (0 << 16)
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#define ABORT_STAT_TYPE_RD (1 << 16)
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#define ABORT_STAT_TYPE_WR (2 << 16)
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#define ABORT_STAT_SIZE (3 << 18)
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#define ABORT_STAT_SEQ (1 << 20)
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#define ABORT_STAT_PROT (1 << 21)
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#define BPMP_CACHE_MMU_ABORT_ADDR 0xB8
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#define BPMP_CACHE_MMU_ACTIVE_ENTRIES 0xBC
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#define BPMP_MMU_SHADOW_ENTRY_BASE (BPMP_CACHE_BASE + 0x400)
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#define BPMP_MMU_MAIN_ENTRY_BASE (BPMP_CACHE_BASE + 0x800)
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#define MMU_ENTRY_ADDR_MASK 0xFFFFFFE0
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#define MMU_EN_CACHED (1 << 0)
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#define MMU_EN_EXEC (1 << 1)
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#define MMU_EN_READ (1 << 2)
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#define MMU_EN_WRITE (1 << 3)
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#define BPMP_MMU_SHADOW_ENTRY_BASE (BPMP_CACHE_BASE + 0x400)
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#define BPMP_MMU_MAIN_ENTRY_BASE (BPMP_CACHE_BASE + 0x800)
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#define MMU_EN_CACHED (1 << 0)
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#define MMU_EN_EXEC (1 << 1)
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#define MMU_EN_READ (1 << 2)
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#define MMU_EN_WRITE (1 << 3)
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bpmp_mmu_entry_t mmu_entries[] =
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{
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@ -81,15 +126,15 @@ bpmp_mmu_entry_t mmu_entries[] =
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void bpmp_mmu_maintenance(u32 op, bool force)
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{
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if (!force && !(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE))
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if (!force && !(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE_CACHE))
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return;
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BPMP_CACHE_CTRL(BPMP_CACHE_INT_CLEAR) = INT_CLR_MAINT_DONE;
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BPMP_CACHE_CTRL(BPMP_CACHE_INT_CLEAR) = INT_MAINT_DONE;
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// This is a blocking operation.
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BPMP_CACHE_CTRL(BPMP_CACHE_MAINT_REQ) = MAINT_REQ_WAY_BITMAP(0xF) | op;
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while(!(BPMP_CACHE_CTRL(BPMP_CACHE_INT_RAW_EVENT) & INT_RAW_EVENT_MAINT_DONE))
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while(!(BPMP_CACHE_CTRL(BPMP_CACHE_INT_RAW_EVENT) & INT_MAINT_DONE))
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;
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BPMP_CACHE_CTRL(BPMP_CACHE_INT_CLEAR) = BPMP_CACHE_CTRL(BPMP_CACHE_INT_RAW_EVENT);
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@ -104,8 +149,8 @@ void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply)
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if (entry->enable)
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{
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mmu_entry->min_addr = entry->min_addr & MMU_ENTRY_ADDR_MASK;
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mmu_entry->max_addr = entry->max_addr & MMU_ENTRY_ADDR_MASK;
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mmu_entry->start_addr = ALIGN(entry->start_addr, BPMP_MMU_CACHE_LINE_SIZE);
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mmu_entry->end_addr = ALIGN_DOWN(entry->end_addr, BPMP_MMU_CACHE_LINE_SIZE);
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mmu_entry->attr = entry->attr;
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BPMP_CACHE_CTRL(BPMP_CACHE_MMU_SHADOW_COPY_MASK) |= (1 << idx);
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@ -117,7 +162,7 @@ void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply)
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void bpmp_mmu_enable()
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{
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if (BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE)
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if (BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE_CACHE)
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return;
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// Init BPMP MMU.
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@ -136,7 +181,8 @@ void bpmp_mmu_enable()
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bpmp_mmu_maintenance(BPMP_MMU_MAINT_INVALID_WAY, true);
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// Enable cache.
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BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) = CFG_ENABLE | CFG_FORCE_WRITE_THROUGH | CFG_TAG_CHK_ABRT_ON_ERR;
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BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) = CFG_ENABLE_CACHE | CFG_FORCE_WRITE_THROUGH |
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CFG_MMU_TAG_MODE(TAG_MODE_PARALLEL) | CFG_TAG_CHK_ABRT_ON_ERR;
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// HW bug. Invalidate cache again.
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bpmp_mmu_maintenance(BPMP_MMU_MAINT_INVALID_WAY, false);
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@ -144,7 +190,7 @@ void bpmp_mmu_enable()
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void bpmp_mmu_disable()
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{
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if (!(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE))
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if (!(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE_CACHE))
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return;
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// Clean and invalidate cache.
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@ -154,6 +200,9 @@ void bpmp_mmu_disable()
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BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) = 0;
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}
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// APB clock affects RTC, PWM, MEMFETCH, APE, USB, SOR PWM,
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// I2C host, DC/DSI/DISP. UART gives extra stress.
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// 92: 100% success ratio. 93-94: 595-602MHz has 99% success ratio. 95: 608MHz less.
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const u8 pllc4_divn[] = {
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0, // BPMP_CLK_NORMAL: 408MHz 0% - 136MHz APB.
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85, // BPMP_CLK_HIGH_BOOST: 544MHz 33% - 136MHz APB.
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@ -165,6 +214,28 @@ const u8 pllc4_divn[] = {
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bpmp_freq_t bpmp_clock_set = BPMP_CLK_NORMAL;
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void bpmp_clk_rate_get()
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{
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bool clk_src_is_pllp = ((CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) >> 4) & 3) == 3;
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if (clk_src_is_pllp)
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bpmp_clock_set = BPMP_CLK_NORMAL;
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else
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{
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bpmp_clock_set = BPMP_CLK_HIGH_BOOST;
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u8 pllc4_divn_curr = CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) >> 4;
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for (u32 i = 1; i < sizeof(pllc4_divn); i++)
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{
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if (pllc4_divn[i] == pllc4_divn_curr)
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{
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bpmp_clock_set = i;
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break;
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}
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}
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}
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}
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void bpmp_clk_rate_set(bpmp_freq_t fid)
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{
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if (fid > (BPMP_CLK_MAX - 1))
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@ -179,37 +250,49 @@ void bpmp_clk_rate_set(bpmp_freq_t fid)
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{
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// Restore to PLLP source during PLLC4 configuration.
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CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003333; // PLLP_OUT.
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// Wait a bit for clock source change.
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msleep(10);
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msleep(1); // Wait a bit for clock source change.
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}
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// Enable Phase and Frequency lock detection.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_MISC) = PLLC4_MISC_EN_LCKDET;
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CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) = 4 | (pllc4_divn[fid] << 8) | PLL_BASE_ENABLE; // DIVM: 4, DIVP: 1.
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// Disable PLL and IDDQ in case they are on.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) &= ~PLL_BASE_ENABLE;
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CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) &= ~PLLC4_BASE_IDDQ;
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usleep(10);
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// Set PLLC4 dividers.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) = 4 | (pllc4_divn[fid] << 8);
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// Enable PLLC4 and wait for Phase and Frequency lock.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) |= PLL_BASE_ENABLE; // DIVM: 4, DIVP: 1.
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while (!(CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) & PLLC4_BASE_LOCK))
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;
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CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) = (1 << 8) | PLLC4_OUT3_CLKEN; // 1.5 div.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) |= PLLC4_OUT3_RSTN_CLR; // Get divider out of reset.
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// Disable PLLC4_OUT3, enable reset and set div to 1.5.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) = (1 << 8);
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// Wait a bit for PLLC4 to stabilize.
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msleep(10);
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CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 3; // PCLK = HCLK / 4.
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CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003323; // PLLC4_OUT3.
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// Enable PLLC4_OUT3 and bring it out of reset.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) |= (PLLC4_OUT3_CLKEN | PLLC4_OUT3_RSTN_CLR);
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msleep(1); // Wait a bit for clock source change.
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bpmp_clock_set = fid;
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// Set SCLK / HCLK / PCLK.
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CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 3; // PCLK = HCLK / (3 + 1). HCLK == SCLK.
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CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003320; // PLLC4_OUT3 and CLKM for idle.
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}
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else
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{
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CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003333; // PLLP_OUT.
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msleep(1); // Wait a bit for clock source change.
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CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2; // PCLK = HCLK / (2 + 1). HCLK == SCLK.
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// Wait a bit for clock source change.
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msleep(10);
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CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2; // PCLK = HCLK / 3.
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// Disable PLLC4 and PLLC4_OUT3.
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CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) &= ~(PLLC4_OUT3_RSTN_CLR | PLLC4_OUT3_RSTN_CLR);
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CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) &= ~PLL_BASE_ENABLE;
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bpmp_clock_set = BPMP_CLK_NORMAL;
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CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) |= PLLC4_BASE_IDDQ;
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usleep(10);
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}
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bpmp_clock_set = fid;
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}
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// The following functions halt BPMP to reduce power while sleeping.
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@ -21,14 +21,24 @@
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#include "../utils/types.h"
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#define BPMP_MMU_MAINT_CLEAN_WAY 17
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#define BPMP_MMU_MAINT_INVALID_WAY 18
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#define BPMP_MMU_MAINT_CLN_INV_WAY 19
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typedef enum
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{
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BPMP_MMU_MAINT_NOP = 0,
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BPMP_MMU_MAINT_CLEAN_PHY = 1,
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BPMP_MMU_MAINT_INVALID_PHY = 2,
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BPMP_MMU_MAINT_CLEAN_INVALID_PHY = 3,
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BPMP_MMU_MAINT_CLEAN_LINE = 9,
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BPMP_MMU_MAINT_INVALID_LINE = 10,
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BPMP_MMU_MAINT_CLEAN_INVALID_LINE = 11,
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BPMP_MMU_MAINT_CLEAN_WAY = 17,
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BPMP_MMU_MAINT_INVALID_WAY = 18,
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BPMP_MMU_MAINT_CLN_INV_WAY = 19
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} bpmp_maintenance_t;
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typedef struct _bpmp_mmu_entry_t
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{
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u32 min_addr;
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u32 max_addr;
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u32 start_addr;
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u32 end_addr;
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u32 attr;
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u32 enable;
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} bpmp_mmu_entry_t;
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@ -49,6 +59,7 @@ void bpmp_mmu_maintenance(u32 op, bool force);
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void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply);
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void bpmp_mmu_enable();
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void bpmp_mmu_disable();
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void bpmp_clk_rate_get();
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void bpmp_clk_rate_set(bpmp_freq_t fid);
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void bpmp_usleep(u32 us);
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void bpmp_msleep(u32 ms);
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@ -22,56 +22,101 @@
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#include "../../../common/memory_map.h"
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#include "../utils/util.h"
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#define BPMP_MMU_CACHE_LINE_SIZE 0x20
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#define BPMP_CACHE_CONFIG 0x0
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#define CFG_ENABLE (1 << 0)
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#define CFG_ENABLE_CACHE (1 << 0)
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#define CFG_ENABLE_SKEW_ASSOC (1 << 1)
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#define CFG_DISABLE_RANDOM_ALLOC (1 << 2)
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#define CFG_FORCE_WRITE_THROUGH (1 << 3)
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#define CFG_NEVER_ALLOCATE (1 << 6)
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#define CFG_ENABLE_INTERRUPT (1 << 7)
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#define CFG_MMU_TAG_MODE(x) (x << 8)
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#define TAG_MODE_PARALLEL 0
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#define TAG_MODE_TAG_FIRST 1
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#define TAG_MODE_MMU_FIRST 2
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#define CFG_DISABLE_WRITE_BUFFER (1 << 10)
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#define CFG_DISABLE_READ_BUFFER (1 << 11)
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#define CFG_ENABLE_HANG_DETECT (1 << 12)
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#define CFG_FULL_LINE_DIRTY (1 << 13)
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#define CFG_TAG_CHK_ABRT_ON_ERR (1 << 14)
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#define CFG_TAG_CHK_CLR_ERR (1 << 15)
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#define CFG_DISABLE_SAMELINE (1 << 16)
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#define CFG_OBS_BUS_EN (1 << 31)
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#define BPMP_CACHE_LOCK 0x4
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#define LOCK_LINE(x) (1 << x)
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#define BPMP_CACHE_SIZE 0xC
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#define BPMP_CACHE_LFSR 0x10
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#define BPMP_CACHE_TAG_STATUS 0x14
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#define TAG_STATUS_TAG_CHECK_ERROR (1 << 0)
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#define TAG_STATUS_CONFLICT_ADDR_MASK 0xFFFFFFE0
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#define BPMP_CACHE_CLKEN_OVERRIDE 0x18
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#define CLKEN_OVERRIDE_WR_MCCIF_CLKEN (1 << 0)
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#define CLKEN_OVERRIDE_RD_MCCIF_CLKEN (1 << 1)
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#define BPMP_CACHE_MAINT_ADDR 0x20
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#define BPMP_CACHE_MAINT_DATA 0x24
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#define BPMP_CACHE_MAINT_REQ 0x28
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#define MAINT_REQ_WAY_BITMAP(x) ((x) << 8)
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#define BPMP_CACHE_INT_MASK 0x40
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#define BPMP_CACHE_INT_CLEAR 0x44
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#define INT_CLR_MAINT_DONE (1 << 0)
|
||||
|
||||
#define BPMP_CACHE_INT_RAW_EVENT 0x48
|
||||
#define INT_RAW_EVENT_MAINT_DONE (1 << 0)
|
||||
#define BPMP_CACHE_INT_STATUS 0x4C
|
||||
#define INT_MAINT_DONE (1 << 0)
|
||||
#define INT_MAINT_ERROR (1 << 1)
|
||||
|
||||
#define BPMP_CACHE_RB_CFG 0x80
|
||||
#define BPMP_CACHE_WB_CFG 0x84
|
||||
|
||||
#define BPMP_CACHE_MMU_FALLBACK_ENTRY 0xA0
|
||||
#define BPMP_CACHE_MMU_SHADOW_COPY_MASK 0xA4
|
||||
|
||||
#define BPMP_CACHE_MMU_CFG 0xAC
|
||||
#define MMU_CFG_BLOCK_MAIN_ENTRY_WR (1 << 0)
|
||||
#define MMU_CFG_SEQ_EN (1 << 1)
|
||||
#define MMU_CFG_TLB_EN (1 << 2)
|
||||
#define MMU_CFG_SEG_CHECK_ALL_ENTRIES (1 << 3)
|
||||
#define MMU_CFG_ABORT_STORE_LAST (1 << 4)
|
||||
#define MMU_CFG_CLR_ABORT (1 << 5)
|
||||
|
||||
#define BPMP_CACHE_MMU_CMD 0xB0
|
||||
#define MMU_CMD_NOP 0
|
||||
#define MMU_CMD_INIT 1
|
||||
#define MMU_CMD_COPY_SHADOW 2
|
||||
|
||||
#define BPMP_CACHE_MMU_ABORT_STAT 0xB4
|
||||
#define ABORT_STAT_UNIT_MASK 0x7
|
||||
#define ABORT_STAT_UNIT_NONE 0
|
||||
#define ABORT_STAT_UNIT_CACHE 1
|
||||
#define ABORT_STAT_UNIT_SEQ 2
|
||||
#define ABORT_STAT_UNIT_TLB 3
|
||||
#define ABORT_STAT_UNIT_SEG 4
|
||||
#define ABORT_STAT_UNIT_FALLBACK 5
|
||||
#define ABORT_STAT_OVERLAP (1 << 3)
|
||||
#define ABORT_STAT_ENTRY (0x1F << 4)
|
||||
#define ABORT_STAT_TYPE_MASK (3 << 16)
|
||||
#define ABORT_STAT_TYPE_EXE (0 << 16)
|
||||
#define ABORT_STAT_TYPE_RD (1 << 16)
|
||||
#define ABORT_STAT_TYPE_WR (2 << 16)
|
||||
#define ABORT_STAT_SIZE (3 << 18)
|
||||
#define ABORT_STAT_SEQ (1 << 20)
|
||||
#define ABORT_STAT_PROT (1 << 21)
|
||||
|
||||
#define BPMP_CACHE_MMU_ABORT_ADDR 0xB8
|
||||
#define BPMP_CACHE_MMU_ACTIVE_ENTRIES 0xBC
|
||||
|
||||
#define BPMP_MMU_SHADOW_ENTRY_BASE (BPMP_CACHE_BASE + 0x400)
|
||||
#define BPMP_MMU_MAIN_ENTRY_BASE (BPMP_CACHE_BASE + 0x800)
|
||||
#define MMU_ENTRY_ADDR_MASK 0xFFFFFFE0
|
||||
|
||||
#define MMU_EN_CACHED (1 << 0)
|
||||
#define MMU_EN_EXEC (1 << 1)
|
||||
#define MMU_EN_READ (1 << 2)
|
||||
#define MMU_EN_WRITE (1 << 3)
|
||||
#define BPMP_MMU_SHADOW_ENTRY_BASE (BPMP_CACHE_BASE + 0x400)
|
||||
#define BPMP_MMU_MAIN_ENTRY_BASE (BPMP_CACHE_BASE + 0x800)
|
||||
#define MMU_EN_CACHED (1 << 0)
|
||||
#define MMU_EN_EXEC (1 << 1)
|
||||
#define MMU_EN_READ (1 << 2)
|
||||
#define MMU_EN_WRITE (1 << 3)
|
||||
|
||||
bpmp_mmu_entry_t mmu_entries[] =
|
||||
{
|
||||
|
|
@ -81,15 +126,15 @@ bpmp_mmu_entry_t mmu_entries[] =
|
|||
|
||||
void bpmp_mmu_maintenance(u32 op, bool force)
|
||||
{
|
||||
if (!force && !(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE))
|
||||
if (!force && !(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE_CACHE))
|
||||
return;
|
||||
|
||||
BPMP_CACHE_CTRL(BPMP_CACHE_INT_CLEAR) = INT_CLR_MAINT_DONE;
|
||||
BPMP_CACHE_CTRL(BPMP_CACHE_INT_CLEAR) = INT_MAINT_DONE;
|
||||
|
||||
// This is a blocking operation.
|
||||
BPMP_CACHE_CTRL(BPMP_CACHE_MAINT_REQ) = MAINT_REQ_WAY_BITMAP(0xF) | op;
|
||||
|
||||
while(!(BPMP_CACHE_CTRL(BPMP_CACHE_INT_RAW_EVENT) & INT_RAW_EVENT_MAINT_DONE))
|
||||
while(!(BPMP_CACHE_CTRL(BPMP_CACHE_INT_RAW_EVENT) & INT_MAINT_DONE))
|
||||
;
|
||||
|
||||
BPMP_CACHE_CTRL(BPMP_CACHE_INT_CLEAR) = BPMP_CACHE_CTRL(BPMP_CACHE_INT_RAW_EVENT);
|
||||
|
|
@ -104,8 +149,8 @@ void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply)
|
|||
|
||||
if (entry->enable)
|
||||
{
|
||||
mmu_entry->min_addr = entry->min_addr & MMU_ENTRY_ADDR_MASK;
|
||||
mmu_entry->max_addr = entry->max_addr & MMU_ENTRY_ADDR_MASK;
|
||||
mmu_entry->start_addr = ALIGN(entry->start_addr, BPMP_MMU_CACHE_LINE_SIZE);
|
||||
mmu_entry->end_addr = ALIGN_DOWN(entry->end_addr, BPMP_MMU_CACHE_LINE_SIZE);
|
||||
mmu_entry->attr = entry->attr;
|
||||
|
||||
BPMP_CACHE_CTRL(BPMP_CACHE_MMU_SHADOW_COPY_MASK) |= (1 << idx);
|
||||
|
|
@ -117,7 +162,7 @@ void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply)
|
|||
|
||||
void bpmp_mmu_enable()
|
||||
{
|
||||
if (BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE)
|
||||
if (BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE_CACHE)
|
||||
return;
|
||||
|
||||
// Init BPMP MMU.
|
||||
|
|
@ -136,7 +181,8 @@ void bpmp_mmu_enable()
|
|||
bpmp_mmu_maintenance(BPMP_MMU_MAINT_INVALID_WAY, true);
|
||||
|
||||
// Enable cache.
|
||||
BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) = CFG_ENABLE | CFG_FORCE_WRITE_THROUGH | CFG_TAG_CHK_ABRT_ON_ERR;
|
||||
BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) = CFG_ENABLE_CACHE | CFG_FORCE_WRITE_THROUGH |
|
||||
CFG_MMU_TAG_MODE(TAG_MODE_PARALLEL) | CFG_TAG_CHK_ABRT_ON_ERR;
|
||||
|
||||
// HW bug. Invalidate cache again.
|
||||
bpmp_mmu_maintenance(BPMP_MMU_MAINT_INVALID_WAY, false);
|
||||
|
|
@ -144,7 +190,7 @@ void bpmp_mmu_enable()
|
|||
|
||||
void bpmp_mmu_disable()
|
||||
{
|
||||
if (!(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE))
|
||||
if (!(BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) & CFG_ENABLE_CACHE))
|
||||
return;
|
||||
|
||||
// Clean and invalidate cache.
|
||||
|
|
@ -154,6 +200,9 @@ void bpmp_mmu_disable()
|
|||
BPMP_CACHE_CTRL(BPMP_CACHE_CONFIG) = 0;
|
||||
}
|
||||
|
||||
// APB clock affects RTC, PWM, MEMFETCH, APE, USB, SOR PWM,
|
||||
// I2C host, DC/DSI/DISP. UART gives extra stress.
|
||||
// 92: 100% success ratio. 93-94: 595-602MHz has 99% success ratio. 95: 608MHz less.
|
||||
const u8 pllc4_divn[] = {
|
||||
0, // BPMP_CLK_NORMAL: 408MHz 0% - 136MHz APB.
|
||||
85, // BPMP_CLK_HIGH_BOOST: 544MHz 33% - 136MHz APB.
|
||||
|
|
@ -165,6 +214,28 @@ const u8 pllc4_divn[] = {
|
|||
|
||||
bpmp_freq_t bpmp_clock_set = BPMP_CLK_NORMAL;
|
||||
|
||||
void bpmp_clk_rate_get()
|
||||
{
|
||||
bool clk_src_is_pllp = ((CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) >> 4) & 3) == 3;
|
||||
|
||||
if (clk_src_is_pllp)
|
||||
bpmp_clock_set = BPMP_CLK_NORMAL;
|
||||
else
|
||||
{
|
||||
bpmp_clock_set = BPMP_CLK_HIGH_BOOST;
|
||||
|
||||
u8 pllc4_divn_curr = CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) >> 4;
|
||||
for (u32 i = 1; i < sizeof(pllc4_divn); i++)
|
||||
{
|
||||
if (pllc4_divn[i] == pllc4_divn_curr)
|
||||
{
|
||||
bpmp_clock_set = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void bpmp_clk_rate_set(bpmp_freq_t fid)
|
||||
{
|
||||
if (fid > (BPMP_CLK_MAX - 1))
|
||||
|
|
@ -179,37 +250,49 @@ void bpmp_clk_rate_set(bpmp_freq_t fid)
|
|||
{
|
||||
// Restore to PLLP source during PLLC4 configuration.
|
||||
CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003333; // PLLP_OUT.
|
||||
// Wait a bit for clock source change.
|
||||
msleep(10);
|
||||
msleep(1); // Wait a bit for clock source change.
|
||||
}
|
||||
|
||||
// Enable Phase and Frequency lock detection.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_MISC) = PLLC4_MISC_EN_LCKDET;
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) = 4 | (pllc4_divn[fid] << 8) | PLL_BASE_ENABLE; // DIVM: 4, DIVP: 1.
|
||||
|
||||
// Disable PLL and IDDQ in case they are on.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) &= ~PLL_BASE_ENABLE;
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) &= ~PLLC4_BASE_IDDQ;
|
||||
usleep(10);
|
||||
|
||||
// Set PLLC4 dividers.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) = 4 | (pllc4_divn[fid] << 8);
|
||||
|
||||
// Enable PLLC4 and wait for Phase and Frequency lock.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) |= PLL_BASE_ENABLE; // DIVM: 4, DIVP: 1.
|
||||
while (!(CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) & PLLC4_BASE_LOCK))
|
||||
;
|
||||
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) = (1 << 8) | PLLC4_OUT3_CLKEN; // 1.5 div.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) |= PLLC4_OUT3_RSTN_CLR; // Get divider out of reset.
|
||||
// Disable PLLC4_OUT3, enable reset and set div to 1.5.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) = (1 << 8);
|
||||
|
||||
// Wait a bit for PLLC4 to stabilize.
|
||||
msleep(10);
|
||||
CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 3; // PCLK = HCLK / 4.
|
||||
CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003323; // PLLC4_OUT3.
|
||||
// Enable PLLC4_OUT3 and bring it out of reset.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) |= (PLLC4_OUT3_CLKEN | PLLC4_OUT3_RSTN_CLR);
|
||||
msleep(1); // Wait a bit for clock source change.
|
||||
|
||||
bpmp_clock_set = fid;
|
||||
// Set SCLK / HCLK / PCLK.
|
||||
CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 3; // PCLK = HCLK / (3 + 1). HCLK == SCLK.
|
||||
CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003320; // PLLC4_OUT3 and CLKM for idle.
|
||||
}
|
||||
else
|
||||
{
|
||||
CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003333; // PLLP_OUT.
|
||||
msleep(1); // Wait a bit for clock source change.
|
||||
CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2; // PCLK = HCLK / (2 + 1). HCLK == SCLK.
|
||||
|
||||
// Wait a bit for clock source change.
|
||||
msleep(10);
|
||||
|
||||
CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2; // PCLK = HCLK / 3.
|
||||
// Disable PLLC4 and PLLC4_OUT3.
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_OUT) &= ~(PLLC4_OUT3_RSTN_CLR | PLLC4_OUT3_RSTN_CLR);
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) &= ~PLL_BASE_ENABLE;
|
||||
bpmp_clock_set = BPMP_CLK_NORMAL;
|
||||
CLOCK(CLK_RST_CONTROLLER_PLLC4_BASE) |= PLLC4_BASE_IDDQ;
|
||||
usleep(10);
|
||||
}
|
||||
bpmp_clock_set = fid;
|
||||
}
|
||||
|
||||
// The following functions halt BPMP to reduce power while sleeping.
|
||||
|
|
|
|||
|
|
@ -21,14 +21,24 @@
|
|||
|
||||
#include "../utils/types.h"
|
||||
|
||||
#define BPMP_MMU_MAINT_CLEAN_WAY 17
|
||||
#define BPMP_MMU_MAINT_INVALID_WAY 18
|
||||
#define BPMP_MMU_MAINT_CLN_INV_WAY 19
|
||||
typedef enum
|
||||
{
|
||||
BPMP_MMU_MAINT_NOP = 0,
|
||||
BPMP_MMU_MAINT_CLEAN_PHY = 1,
|
||||
BPMP_MMU_MAINT_INVALID_PHY = 2,
|
||||
BPMP_MMU_MAINT_CLEAN_INVALID_PHY = 3,
|
||||
BPMP_MMU_MAINT_CLEAN_LINE = 9,
|
||||
BPMP_MMU_MAINT_INVALID_LINE = 10,
|
||||
BPMP_MMU_MAINT_CLEAN_INVALID_LINE = 11,
|
||||
BPMP_MMU_MAINT_CLEAN_WAY = 17,
|
||||
BPMP_MMU_MAINT_INVALID_WAY = 18,
|
||||
BPMP_MMU_MAINT_CLN_INV_WAY = 19
|
||||
} bpmp_maintenance_t;
|
||||
|
||||
typedef struct _bpmp_mmu_entry_t
|
||||
{
|
||||
u32 min_addr;
|
||||
u32 max_addr;
|
||||
u32 start_addr;
|
||||
u32 end_addr;
|
||||
u32 attr;
|
||||
u32 enable;
|
||||
} bpmp_mmu_entry_t;
|
||||
|
|
@ -49,6 +59,7 @@ void bpmp_mmu_maintenance(u32 op, bool force);
|
|||
void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply);
|
||||
void bpmp_mmu_enable();
|
||||
void bpmp_mmu_disable();
|
||||
void bpmp_clk_rate_get();
|
||||
void bpmp_clk_rate_set(bpmp_freq_t fid);
|
||||
void bpmp_usleep(u32 us);
|
||||
void bpmp_msleep(u32 ms);
|
||||
|
|
|
|||
Loading…
Reference in a new issue