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-rw-r--r--cpu/mpc85xx/cpu.c31
-rw-r--r--cpu/mpc85xx/cpu_init.c34
-rw-r--r--cpu/mpc85xx/fdt.c8
-rw-r--r--cpu/mpc85xx/pci.c2
-rw-r--r--cpu/mpc85xx/release.S1
-rw-r--r--cpu/mpc85xx/speed.c27
-rw-r--r--cpu/mpc85xx/start.S19
-rw-r--r--cpu/mpc85xx/tlb.c40
8 files changed, 114 insertions, 48 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 943602f..15ba7f1 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -77,8 +77,6 @@ struct cpu_type *identify_cpu(u32 ver)
int checkcpu (void)
{
sys_info_t sysinfo;
- uint lcrr; /* local bus clock ratio register */
- uint clkdiv; /* clock divider portion of lcrr */
uint pvr, svr;
uint fam;
uint ver;
@@ -165,30 +163,11 @@ int checkcpu (void)
break;
}
-#if defined(CONFIG_SYS_LBC_LCRR)
- lcrr = CONFIG_SYS_LBC_LCRR;
-#else
- {
- volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
-
- lcrr = lbc->lcrr;
- }
-#endif
- clkdiv = lcrr & 0x0f;
- if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
-#if defined(CONFIG_MPC8548) || defined(CONFIG_MPC8544) || \
- defined(CONFIG_MPC8572) || defined(CONFIG_MPC8536)
- /*
- * Yes, the entire PQ38 family use the same
- * bit-representation for twice the clock divider values.
- */
- clkdiv *= 2;
-#endif
- printf("LBC:%-4s MHz\n",
- strmhz(buf1, sysinfo.freqSystemBus / clkdiv));
- } else {
- printf("LBC: unknown (lcrr: 0x%08x)\n", lcrr);
- }
+ if (sysinfo.freqLocalBus > LCRR_CLKDIV)
+ printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freqLocalBus));
+ else
+ printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
+ sysinfo.freqLocalBus);
#ifdef CONFIG_CPM2
printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freqSystemBus));
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index 3a8aef2..0b7c609 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -132,6 +132,12 @@ void config_8560_ioports (volatile ccsr_cpm_t * cpm)
/* We run cpu_init_early_f in AS = 1 */
void cpu_init_early_f(void)
{
+ /* Pointer is writable since we allocated a register for it */
+ gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
+
+ /* Clear initial global data */
+ memset ((void *) gd, 0, sizeof (gd_t));
+
set_tlb(0, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
1, 0, BOOKE_PAGESZ_4K, 0);
@@ -140,24 +146,19 @@ void cpu_init_early_f(void)
#if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR_PHYS)
{
u32 temp;
+ volatile u32 *ccsr_virt =
+ (volatile u32 *)(CONFIG_SYS_CCSRBAR + 0x1000);
- set_tlb(0, CONFIG_SYS_CCSRBAR_DEFAULT, CONFIG_SYS_CCSRBAR_DEFAULT,
+ set_tlb(0, (u32)ccsr_virt, CONFIG_SYS_CCSRBAR_DEFAULT,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
1, 1, BOOKE_PAGESZ_4K, 0);
- temp = in_be32((volatile u32 *)CONFIG_SYS_CCSRBAR_DEFAULT);
- out_be32((volatile u32 *)CONFIG_SYS_CCSRBAR_DEFAULT, CONFIG_SYS_CCSRBAR_PHYS >> 12);
-
+ temp = in_be32(ccsr_virt);
+ out_be32(ccsr_virt, CONFIG_SYS_CCSRBAR_PHYS >> 12);
temp = in_be32((volatile u32 *)CONFIG_SYS_CCSRBAR);
}
#endif
- /* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
-
- /* Clear initial global data */
- memset ((void *) gd, 0, sizeof (gd_t));
-
init_laws();
invalidate_tlb(0);
init_tlbs();
@@ -174,6 +175,19 @@ void cpu_init_f (void)
{
volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
extern void m8560_cpm_reset (void);
+#ifdef CONFIG_MPC8548
+ ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
+ uint svr = get_svr();
+
+ /*
+ * CPU2 errata workaround: A core hang possible while executing
+ * a msync instruction and a snoopable transaction from an I/O
+ * master tagged to make quick forward progress is present.
+ * Fixed in silicon rev 2.1.
+ */
+ if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0)))
+ out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16));
+#endif
disable_tlb(14);
disable_tlb(15);
diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c
index 59aafb1..69fab99 100644
--- a/cpu/mpc85xx/fdt.c
+++ b/cpu/mpc85xx/fdt.c
@@ -28,11 +28,12 @@
#include <fdt_support.h>
#include <asm/processor.h>
+DECLARE_GLOBAL_DATA_PTR;
+
extern void ft_qe_setup(void *blob);
#ifdef CONFIG_MP
#include "mp.h"
-DECLARE_GLOBAL_DATA_PTR;
void ft_fixup_cpu(void *blob, u64 memory_limit)
{
@@ -231,6 +232,11 @@ void ft_cpu_setup(void *blob, bd_t *bd)
"clock-frequency", bd->bi_intfreq, 1);
do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
"bus-frequency", bd->bi_busfreq, 1);
+
+ do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
+ "bus-frequency", gd->lbc_clk, 1);
+ do_fixup_by_compat_u32(blob, "fsl,elbc",
+ "bus-frequency", gd->lbc_clk, 1);
#ifdef CONFIG_QE
ft_qe_setup(blob);
#endif
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c
index 112f18c..787c6eb 100644
--- a/cpu/mpc85xx/pci.c
+++ b/cpu/mpc85xx/pci.c
@@ -70,7 +70,7 @@ pci_mpc85xx_init(struct pci_controller *board_hose)
*/
pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
- if (!(gur->pordevsr & PORDEVSR_PCI)) {
+ if (!(gur->pordevsr & MPC85xx_PORDEVSR_PCI1)) {
/* PCI-X init */
if (CONFIG_SYS_CLK_FREQ < 66000000)
printf("PCI-X will only work at 66 MHz\n");
diff --git a/cpu/mpc85xx/release.S b/cpu/mpc85xx/release.S
index 7c3e8a1..54c936c 100644
--- a/cpu/mpc85xx/release.S
+++ b/cpu/mpc85xx/release.S
@@ -157,6 +157,7 @@ __secondary_start_page:
mfspr r0,SPRN_PIR
stw r0,ENTRY_PIR(r10)
+ mtspr IVPR,r12
/*
* Coming here, we know the cpu has one TLB mapping in TLB1[0]
* which maps 0xfffff000-0xffffffff one-to-one. We set up a
diff --git a/cpu/mpc85xx/speed.c b/cpu/mpc85xx/speed.c
index 1e0f483..0d55228 100644
--- a/cpu/mpc85xx/speed.c
+++ b/cpu/mpc85xx/speed.c
@@ -28,6 +28,7 @@
#include <common.h>
#include <ppc_asm.tmpl>
#include <asm/processor.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -37,6 +38,7 @@ void get_sys_info (sys_info_t * sysInfo)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
uint plat_ratio,e500_ratio,half_freqSystemBus;
+ uint lcrr_div;
plat_ratio = (gur->porpllsr) & 0x0000003e;
plat_ratio >>= 1;
@@ -60,6 +62,30 @@ void get_sys_info (sys_info_t * sysInfo)
sysInfo->freqDDRBus = ddr_ratio * CONFIG_DDR_CLK_FREQ;
}
#endif
+
+#if defined(CONFIG_SYS_LBC_LCRR)
+ /* We will program LCRR to this value later */
+ lcrr_div = CONFIG_SYS_LBC_LCRR & LCRR_CLKDIV;
+#else
+ {
+ volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+ lcrr_div = in_be32(&lbc->lcrr) & LCRR_CLKDIV;
+ }
+#endif
+ if (lcrr_div == 2 || lcrr_div == 4 || lcrr_div == 8) {
+#if !defined(CONFIG_MPC8540) && !defined(CONFIG_MPC8541) && \
+ !defined(CONFIG_MPC8555) && !defined(CONFIG_MPC8560)
+ /*
+ * Yes, the entire PQ38 family use the same
+ * bit-representation for twice the clock divider values.
+ */
+ lcrr_div *= 2;
+#endif
+ sysInfo->freqLocalBus = sysInfo->freqSystemBus / lcrr_div;
+ } else {
+ /* In case anyone cares what the unknown value is */
+ sysInfo->freqLocalBus = lcrr_div;
+ }
}
@@ -82,6 +108,7 @@ int get_clocks (void)
gd->cpu_clk = sys_info.freqProcessor;
gd->bus_clk = sys_info.freqSystemBus;
gd->mem_clk = sys_info.freqDDRBus;
+ gd->lbc_clk = sys_info.freqLocalBus;
/*
* The base clock for I2C depends on the actual SOC. Unfortunately,
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 651ff1c..80f9677 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -30,6 +30,7 @@
#include <config.h>
#include <mpc85xx.h>
+#include <timestamp.h>
#include <version.h>
#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
@@ -183,19 +184,19 @@ _start_e500:
mtspr DBCR0,r0
#endif
- /* create a temp mapping in AS=1 to the boot window */
+ /* create a temp mapping in AS=1 to the 4M boot window */
lis r6,FSL_BOOKE_MAS0(1, 15, 0)@h
ori r6,r6,FSL_BOOKE_MAS0(1, 15, 0)@l
- lis r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_16M)@h
- ori r7,r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_16M)@l
+ lis r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_4M)@h
+ ori r7,r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_4M)@l
- /* Align the mapping to 16MB */
- lis r8,FSL_BOOKE_MAS2(TEXT_BASE & 0xff000000, (MAS2_I|MAS2_G))@h
- ori r8,r8,FSL_BOOKE_MAS2(TEXT_BASE & 0xff000000, (MAS2_I|MAS2_G))@l
+ lis r8,FSL_BOOKE_MAS2(TEXT_BASE & 0xffc00000, (MAS2_I|MAS2_G))@h
+ ori r8,r8,FSL_BOOKE_MAS2(TEXT_BASE & 0xffc00000, (MAS2_I|MAS2_G))@l
- lis r9,FSL_BOOKE_MAS3(0xff000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@h
- ori r9,r9,FSL_BOOKE_MAS3(0xff000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@l
+ /* The 85xx has the default boot window 0xff800000 - 0xffffffff */
+ lis r9,FSL_BOOKE_MAS3(0xffc00000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@h
+ ori r9,r9,FSL_BOOKE_MAS3(0xffc00000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@l
mtspr MAS0,r6
mtspr MAS1,r7
@@ -274,7 +275,7 @@ _start:
.globl version_string
version_string:
.ascii U_BOOT_VERSION
- .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
.ascii CONFIG_IDENT_STRING, "\0"
.align 4
diff --git a/cpu/mpc85xx/tlb.c b/cpu/mpc85xx/tlb.c
index a2d16ae..25fa9ee 100644
--- a/cpu/mpc85xx/tlb.c
+++ b/cpu/mpc85xx/tlb.c
@@ -26,6 +26,11 @@
#include <common.h>
#include <asm/processor.h>
#include <asm/mmu.h>
+#ifdef CONFIG_ADDR_MAP
+#include <addr_map.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
void set_tlb(u8 tlb, u32 epn, u64 rpn,
u8 perms, u8 wimge,
@@ -47,6 +52,11 @@ void set_tlb(u8 tlb, u32 epn, u64 rpn,
mtspr(MAS7, _mas7);
#endif
asm volatile("isync;msync;tlbwe;isync");
+
+#ifdef CONFIG_ADDR_MAP
+ if ((tlb == 1) && (gd->flags & GD_FLG_RELOC))
+ addrmap_set_entry(epn, rpn, (1UL << ((tsize * 2) + 10)), esel);
+#endif
}
void disable_tlb(u8 esel)
@@ -67,6 +77,11 @@ void disable_tlb(u8 esel)
mtspr(MAS7, _mas7);
#endif
asm volatile("isync;msync;tlbwe;isync");
+
+#ifdef CONFIG_ADDR_MAP
+ if (gd->flags & GD_FLG_RELOC)
+ addrmap_set_entry(0, 0, 0, esel);
+#endif
}
void invalidate_tlb(u8 tlb)
@@ -91,6 +106,29 @@ void init_tlbs(void)
return ;
}
+#ifdef CONFIG_ADDR_MAP
+void init_addr_map(void)
+{
+ int i;
+
+ for (i = 0; i < num_tlb_entries; i++) {
+ if (tlb_table[i].tlb == 0)
+ continue;
+
+ addrmap_set_entry(tlb_table[i].epn,
+ tlb_table[i].rpn,
+ (1UL << ((tlb_table[i].tsize * 2) + 10)),
+ tlb_table[i].esel);
+ }
+
+ return ;
+}
+#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)
{
unsigned int tlb_size;
@@ -137,7 +175,7 @@ unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
* Configure DDR TLB1 entries.
* Starting at TLB1 8, use no more than 8 TLB1 entries.
*/
- ram_tlb_index = 8;
+ ram_tlb_index = CONFIG_SYS_DDR_TLB_START;
ram_tlb_address = (unsigned int)CONFIG_SYS_DDR_SDRAM_BASE;
while (ram_tlb_address < (memsize_in_meg * 1024 * 1024)
&& ram_tlb_index < 16) {
generated by cgit v1.1 at 2024-11-24 23:53:20 +0000