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-rw-r--r--cpu/mpc85xx/cpu_init.c6
-rw-r--r--cpu/mpc85xx/fdt.c54
-rw-r--r--cpu/mpc85xx/mp.c5
-rw-r--r--cpu/mpc85xx/release.S17
-rw-r--r--cpu/mpc85xx/speed.c12
-rw-r--r--cpu/mpc85xx/start.S8
-rw-r--r--cpu/mpc85xx/tlb.c76
7 files changed, 162 insertions, 16 deletions
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index 0041a60..e0126d3 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -246,6 +246,7 @@ void cpu_init_f (void)
#ifdef CONFIG_FSL_CORENET
corenet_tb_init();
#endif
+ init_used_tlb_cams();
}
@@ -357,6 +358,11 @@ int cpu_init_r(void)
while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC))
;
+#ifdef CONFIG_SYS_CACHE_STASHING
+ /* set stash id to (coreID) * 2 + 32 + L2 (1) */
+ mtspr(SPRN_L2CSR1, (32 + 1));
+#endif
+
/* enable the cache */
mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0);
diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c
index de2dcac..af0e78e 100644
--- a/cpu/mpc85xx/fdt.c
+++ b/cpu/mpc85xx/fdt.c
@@ -197,6 +197,15 @@ static inline void ft_fixup_l2cache(void *blob)
goto next;
}
+#ifdef CONFIG_SYS_CACHE_STASHING
+ {
+ u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+ if (reg)
+ fdt_setprop_cell(blob, l2_off, "cache-stash-id",
+ (*reg * 2) + 32 + 1);
+ }
+#endif
+
fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
fdt_setprop_cell(blob, l2_off, "cache-block-size", line_size);
fdt_setprop_cell(blob, l2_off, "cache-size", size);
@@ -252,6 +261,15 @@ static inline void ft_fixup_cache(void *blob)
fdt_setprop_cell(blob, off, "d-cache-size", dsize);
fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
+#ifdef CONFIG_SYS_CACHE_STASHING
+ {
+ u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+ if (reg)
+ fdt_setprop_cell(blob, off, "cache-stash-id",
+ (*reg * 2) + 32 + 0);
+ }
+#endif
+
/* i-side config */
isize = (l1cfg1 & 0x7ff) * 1024;
inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
@@ -279,6 +297,40 @@ void fdt_add_enet_stashing(void *fdt)
do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
}
+#if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
+static void ft_fixup_clks(void *blob, const char *alias, unsigned long freq)
+{
+ const char *path = fdt_get_alias(blob, alias);
+
+ int off = fdt_path_offset(blob, path);
+
+ if (off >= 0) {
+ off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
+ if (off > 0)
+ printf("WARNING enable to set clock-frequency "
+ "for %s: %s\n", alias, fdt_strerror(off));
+ }
+}
+
+static void ft_fixup_dpaa_clks(void *blob)
+{
+ sys_info_t sysinfo;
+
+ get_sys_info(&sysinfo);
+ ft_fixup_clks(blob, "fman0", sysinfo.freqFMan[0]);
+
+#if (CONFIG_SYS_NUM_FMAN == 2)
+ ft_fixup_clks(blob, "fman1", sysinfo.freqFMan[1]);
+#endif
+
+#ifdef CONFIG_SYS_DPAA_PME
+ ft_fixup_clks(blob, "pme", sysinfo.freqPME);
+#endif
+}
+#else
+#define ft_fixup_dpaa_clks(x)
+#endif
+
void ft_cpu_setup(void *blob, bd_t *bd)
{
int off;
@@ -342,4 +394,6 @@ void ft_cpu_setup(void *blob, bd_t *bd)
#if defined(CONFIG_FSL_ESDHC)
fdt_fixup_esdhc(blob, bd);
#endif
+
+ ft_fixup_dpaa_clks(blob);
}
diff --git a/cpu/mpc85xx/mp.c b/cpu/mpc85xx/mp.c
index 7626eb8..6530cb1 100644
--- a/cpu/mpc85xx/mp.c
+++ b/cpu/mpc85xx/mp.c
@@ -165,6 +165,9 @@ static void plat_mp_up(unsigned long bootpg)
e = find_law(bootpg);
out_be32(&ccm->bstrar, LAW_EN | e.trgt_id << 20 | LAW_SIZE_4K);
+ /* readback to sync write */
+ in_be32(&ccm->bstrar);
+
/* disable time base at the platform */
out_be32(&rcpm->ctbenrl, cpu_up_mask);
@@ -309,7 +312,7 @@ void setup_mp(void)
disable_tlb(i);
set_tlb(1, CONFIG_BPTR_VIRT_ADDR, bootpg, /* tlb, epn, rpn */
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I, /* perms, wimge */
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
0, i, BOOKE_PAGESZ_4K, 1); /* ts, esel, tsize, iprot */
memcpy((void *)CONFIG_BPTR_VIRT_ADDR, (void *)fixup, 4096);
diff --git a/cpu/mpc85xx/release.S b/cpu/mpc85xx/release.S
index 433ff02..00c4c54 100644
--- a/cpu/mpc85xx/release.S
+++ b/cpu/mpc85xx/release.S
@@ -99,6 +99,13 @@ __secondary_start_page:
slwi r8,r4,5
add r10,r3,r8
+#if defined(CONFIG_E500MC) && defined(CONFIG_SYS_CACHE_STASHING)
+ /* set stash id to (coreID) * 2 + 32 + L1 CT (0) */
+ slwi r8,r4,1
+ addi r8,r8,32
+ mtspr L1CSR2,r8
+#endif
+
#ifdef CONFIG_BACKSIDE_L2_CACHE
/* Enable/invalidate the L2 cache */
msync
@@ -110,6 +117,12 @@ __secondary_start_page:
and. r1,r3,r2
bne 1b
+#ifdef CONFIG_SYS_CACHE_STASHING
+ /* set stash id to (coreID) * 2 + 32 + L2 (1) */
+ addi r3,r8,1
+ mtspr SPRN_L2CSR1,r3
+#endif
+
lis r3,CONFIG_SYS_INIT_L2CSR0@h
ori r3,r3,CONFIG_SYS_INIT_L2CSR0@l
mtspr SPRN_L2CSR0,r3
@@ -153,8 +166,8 @@ __secondary_start_page:
lis r11,(MAS1_VALID|MAS1_IPROT)@h
ori r11,r11,(MAS1_TS|MAS1_TSIZE(BOOKE_PAGESZ_4K))@l
mtspr SPRN_MAS1,r11
- oris r11,r13,(MAS2_I)@h
- ori r11,r13,(MAS2_I)@l
+ oris r11,r13,(MAS2_I|MAS2_G)@h
+ ori r11,r13,(MAS2_I|MAS2_G)@l
mtspr SPRN_MAS2,r11
oris r11,r13,(MAS3_SX|MAS3_SW|MAS3_SR)@h
ori r11,r13,(MAS3_SX|MAS3_SW|MAS3_SR)@l
diff --git a/cpu/mpc85xx/speed.c b/cpu/mpc85xx/speed.c
index 7959082..2103e2e 100644
--- a/cpu/mpc85xx/speed.c
+++ b/cpu/mpc85xx/speed.c
@@ -103,21 +103,21 @@ void get_sys_info (sys_info_t * sysInfo)
#ifdef CONFIG_SYS_DPAA_PME
if (rcw_tmp & PME_CLK_SEL)
- sysInfo->freqPME = freqCC_PLL[2] / 2;
- else
sysInfo->freqPME = sysInfo->freqSystemBus / 2;
+ else
+ sysInfo->freqPME = freqCC_PLL[2] / 2;
#endif
#ifdef CONFIG_SYS_DPAA_FMAN
if (rcw_tmp & FM1_CLK_SEL)
- sysInfo->freqFMan[0] = freqCC_PLL[2] / 2;
- else
sysInfo->freqFMan[0] = sysInfo->freqSystemBus / 2;
+ else
+ sysInfo->freqFMan[0] = freqCC_PLL[2] / 2;
#if (CONFIG_SYS_NUM_FMAN) == 2
if (rcw_tmp & FM2_CLK_SEL)
- sysInfo->freqFMan[1] = freqCC_PLL[2] / 2;
- else
sysInfo->freqFMan[1] = sysInfo->freqSystemBus / 2;
+ else
+ sysInfo->freqFMan[1] = freqCC_PLL[2] / 2;
#endif
#endif
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 6a86528..7e60e67 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -1,5 +1,5 @@
/*
- * Copyright 2004, 2007-2009 Freescale Semiconductor.
+ * Copyright 2004, 2007-2009 Freescale Semiconductor, Inc.
* Copyright (C) 2003 Motorola,Inc.
*
* See file CREDITS for list of people who contributed to this
@@ -102,6 +102,12 @@ _start_e500:
*
*/
+#if defined(CONFIG_E500MC) && defined(CONFIG_SYS_CACHE_STASHING)
+ /* set stash id to (coreID) * 2 + 32 + L1 CT (0) */
+ li r2,(32 + 0)
+ mtspr L1CSR2,r2
+#endif
+
lis r2,L1CSR0_CPE@H /* enable parity */
ori r2,r2,L1CSR0_DCE
mtspr L1CSR0,r2 /* enable L1 Dcache */
diff --git a/cpu/mpc85xx/tlb.c b/cpu/mpc85xx/tlb.c
index ea5deb2..b3037ac 100644
--- a/cpu/mpc85xx/tlb.c
+++ b/cpu/mpc85xx/tlb.c
@@ -56,12 +56,74 @@ void init_tlbs(void)
}
#ifndef CONFIG_NAND_SPL
+static inline void use_tlb_cam(u8 idx)
+{
+ int i = idx / 32;
+ int bit = idx % 32;
+
+ gd->used_tlb_cams[i] |= (1 << bit);
+}
+
+static inline void free_tlb_cam(u8 idx)
+{
+ int i = idx / 32;
+ int bit = idx % 32;
+
+ gd->used_tlb_cams[i] &= ~(1 << bit);
+}
+
+void init_used_tlb_cams(void)
+{
+ int i;
+ unsigned int num_cam = mfspr(SPRN_TLB1CFG) & 0xfff;
+
+ for (i = 0; i < ((CONFIG_SYS_NUM_TLBCAMS+31)/32); i++)
+ gd->used_tlb_cams[i] = 0;
+
+ /* walk all the entries */
+ for (i = 0; i < num_cam; i++) {
+ u32 _mas1;
+
+ mtspr(MAS0, FSL_BOOKE_MAS0(1, i, 0));
+
+ asm volatile("tlbre;isync");
+ _mas1 = mfspr(MAS1);
+
+ /* if the entry isn't valid skip it */
+ if ((_mas1 & MAS1_VALID))
+ use_tlb_cam(i);
+ }
+}
+
+int find_free_tlbcam(void)
+{
+ int i;
+ u32 idx;
+
+ for (i = 0; i < ((CONFIG_SYS_NUM_TLBCAMS+31)/32); i++) {
+ idx = ffz(gd->used_tlb_cams[i]);
+
+ if (idx != 32)
+ break;
+ }
+
+ idx += i * 32;
+
+ if (idx >= CONFIG_SYS_NUM_TLBCAMS)
+ return -1;
+
+ return idx;
+}
+
void set_tlb(u8 tlb, u32 epn, u64 rpn,
u8 perms, u8 wimge,
u8 ts, u8 esel, u8 tsize, u8 iprot)
{
u32 _mas0, _mas1, _mas2, _mas3, _mas7;
+ if (tlb == 1)
+ use_tlb_cam(esel);
+
_mas0 = FSL_BOOKE_MAS0(tlb, esel, 0);
_mas1 = FSL_BOOKE_MAS1(1, iprot, 0, ts, tsize);
_mas2 = FSL_BOOKE_MAS2(epn, wimge);
@@ -80,6 +142,8 @@ void disable_tlb(u8 esel)
{
u32 _mas0, _mas1, _mas2, _mas3, _mas7;
+ free_tlb_cam(esel);
+
_mas0 = FSL_BOOKE_MAS0(1, esel, 0);
_mas1 = 0;
_mas2 = 0;
@@ -163,14 +227,10 @@ void init_addr_map(void)
}
#endif
-#ifndef CONFIG_SYS_DDR_TLB_START
-#define CONFIG_SYS_DDR_TLB_START 8
-#endif
-
unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
{
+ int i;
unsigned int tlb_size;
- unsigned int ram_tlb_index = CONFIG_SYS_DDR_TLB_START;
unsigned int ram_tlb_address = (unsigned int)CONFIG_SYS_DDR_SDRAM_BASE;
unsigned int max_cam = (mfspr(SPRN_TLB1CFG) >> 16) & 0xf;
u64 size, memsize = (u64)memsize_in_meg << 20;
@@ -180,10 +240,14 @@ unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
/* Convert (4^max) kB to (2^max) bytes */
max_cam = max_cam * 2 + 10;
- for (; size && ram_tlb_index < 16; ram_tlb_index++) {
+ for (i = 0; size && i < 8; i++) {
+ int ram_tlb_index = find_free_tlbcam();
u32 camsize = __ilog2_u64(size) & ~1U;
u32 align = __ilog2(ram_tlb_address) & ~1U;
+ if (ram_tlb_index == -1)
+ break;
+
if (align == -2) align = max_cam;
if (camsize > align)
camsize = align;
generated by cgit v1.1 at 2025-01-01 03:04:42 +0000