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-rw-r--r--cpu/mpc85xx/cpu.c10
-rw-r--r--cpu/mpc85xx/pci.c126
-rw-r--r--cpu/mpc85xx/start.S46
3 files changed, 84 insertions, 98 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 55593d9..8eb9317 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -174,16 +174,6 @@ reset_85xx_watchdog(void)
#endif /* CONFIG_WATCHDOG */
#if defined(CONFIG_DDR_ECC)
-__inline__ void dcbz(const void* addr)
-{
- __asm__ __volatile__ ("dcbz 0,%0" :: "r" (addr));
-}
-
-__inline__ void dcbf(const void* addr)
-{
- __asm__ __volatile__ ("dcbf 0,%0" :: "r" (addr));
-}
-
void dma_init(void) {
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_dma_t *dma = &immap->im_dma;
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c
index 5732c29..11f0c3e 100644
--- a/cpu/mpc85xx/pci.c
+++ b/cpu/mpc85xx/pci.c
@@ -1,4 +1,5 @@
/*
+ * Copyright 2004 Freescale Semiconductor.
* Copyright (C) 2003 Motorola Inc.
* Xianghua Xiao (x.xiao@motorola.com)
*
@@ -28,17 +29,23 @@
#include <asm/cpm_85xx.h>
#include <pci.h>
+
#if defined(CONFIG_PCI)
+
+
/*
* Initialize PCI Devices, report devices found.
*/
+
#ifndef CONFIG_PCI_PNP
static struct pci_config_table pci_mpc85xxads_config_table[] = {
- { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_IDSEL_NUMBER, PCI_ANY_ID,
- pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
- PCI_ENET0_MEMADDR,
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
- { }
+ {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_IDSEL_NUMBER, PCI_ANY_ID,
+ pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER}},
+ {}
};
#endif
@@ -48,60 +55,61 @@ struct pci_controller local_hose = {
#endif
};
-void pci_init_board(void)
-{
- struct pci_controller* hose = (struct pci_controller *)&local_hose;
- volatile immap_t *immap = (immap_t *)CFG_CCSRBAR;
- volatile ccsr_pcix_t *pcix = &immap->im_pcix;
-
- u16 reg16;
-
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- pci_set_region(hose->regions + 0,
- CFG_PCI_MEM_BASE,
- CFG_PCI_MEM_PHYS,
- (CFG_PCI_MEM_SIZE/2),
- PCI_REGION_MEM);
-
- pci_set_region(hose->regions + 1,
- (CFG_PCI_MEM_BASE+0x08000000),
- (CFG_PCI_MEM_PHYS+0x08000000),
- 0x1000000, /* 16M */
- PCI_REGION_IO);
-
- hose->region_count = 2;
-
- pci_setup_indirect(hose,
- (CFG_IMMR+0x8000),
- (CFG_IMMR+0x8004));
-
- pci_register_hose(hose);
-
- hose->last_busno = pci_hose_scan(hose);
-
- pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
- reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
-
- /* Clear non-reserved bits in status register */
- pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
- pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
-
- pcix->potar1 = (CFG_PCI_MEM_BASE >> 12) & 0x000fffff;
- pcix->potear1 = 0x00000000;
- pcix->powbar1 = (CFG_PCI_MEM_BASE >> 12) & 0x000fffff;
- pcix->powbear1 = 0x00000000;
- pcix->powar1 = 0x8004401a; /* 128M MEM space */
- pcix->potar2 = ((CFG_PCI_MEM_BASE + 0x08000000) >> 12) & 0x000fffff;
- pcix->potear2 = 0x00000000;
- pcix->powbar2 = ((CFG_PCI_MEM_BASE + 0x08000000) >> 12) && 0x000fffff;
- pcix->powbear2 = 0x00000000;
- pcix->powar2 = 0x80088017; /* 16M IO space */
- pcix->pitar1 = 0x00000000;
- pcix->piwbar1 = 0x00000000;
- pcix->piwar1 = 0xa0F5501f;
+void pci_init_board (void)
+{
+ struct pci_controller *hose = (struct pci_controller *) &local_hose;
+ volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
+ volatile ccsr_pcix_t *pcix = &immap->im_pcix;
+
+ u16 reg16;
+
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+
+ pci_set_region (hose->regions + 0,
+ CFG_PCI1_MEM_BASE,
+ CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_SIZE, PCI_REGION_MEM);
+
+ pci_set_region (hose->regions + 1,
+ CFG_PCI1_IO_BASE,
+ CFG_PCI1_IO_PHYS, CFG_PCI1_IO_SIZE, PCI_REGION_IO);
+
+ hose->region_count = 2;
+
+ pci_setup_indirect (hose, (CFG_IMMR + 0x8000), (CFG_IMMR + 0x8004));
+
+ pci_read_config_word (PCI_BDF (0, 0, 0), PCI_COMMAND, &reg16);
+ reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config_word (PCI_BDF (0, 0, 0), PCI_COMMAND, reg16);
+
+ /*
+ * Clear non-reserved bits in status register.
+ */
+ pci_write_config_word (PCI_BDF (0, 0, 0), PCI_STATUS, 0xffff);
+ pci_write_config_byte (PCI_BDF (0, 0, 0), PCI_LATENCY_TIMER, 0x80);
+
+ pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
+ pcix->potear1 = 0x00000000;
+ pcix->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
+ pcix->powbear1 = 0x00000000;
+ pcix->powar1 = 0x8004401c; /* 512M MEM space */
+
+ pcix->potar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
+ pcix->potear2 = 0x00000000;
+ pcix->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
+ pcix->powbear2 = 0x00000000;
+ pcix->powar2 = 0x80088017; /* 16M IO space */
+
+ pcix->pitar1 = 0x00000000;
+ pcix->piwbar1 = 0x00000000;
+ pcix->piwar1 = 0xa0F5501f;
+
+ /*
+ * Hose scan.
+ */
+ pci_register_hose (hose);
+ hose->last_busno = pci_hose_scan (hose);
}
+
#endif /* CONFIG_PCI */
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 040b88d..885f1ab 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -130,7 +130,6 @@ _start_e500:
/* disable d-cache */
li r0,0x0
mtspr L1CSR0,r0
- isync
/* invalidate i-cache */
mfspr r0,L1CSR1
@@ -144,7 +143,6 @@ _start_e500:
isync
/* clear registers */
- sync
li r0,0
mtspr SRR0,r0
mtspr SRR1,r0
@@ -158,11 +156,8 @@ _start_e500:
mtspr DEAR,r0
mtspr DBCR0,r0
- isync
mtspr DBCR1,r0
- isync
mtspr DBCR2,r0
- isync
mtspr IAC1,r0
mtspr IAC2,r0
mtspr DAC1,r0
@@ -171,26 +166,13 @@ _start_e500:
mfspr r1,DBSR
mtspr DBSR,r1 /* Clear all valid bits */
- isync
mtspr PID0,r0
- isync
mtspr PID1,r0
- isync
mtspr PID2,r0
- isync
-
mtspr TCR,r0
mtspr BUCSR,r0 /* disable branch prediction */
- isync
-
- mtspr HID0,r0
- isync
- mtspr HID1,r0
- isync
-
mtspr MAS4,r0
- isync
mtspr MAS6,r0
isync
@@ -376,9 +358,9 @@ _start:
isync
/* Enable Time Base and Select Time Base Clock */
- li r0,0x4000 /* time base is processor clock */
+ lis r0,HID0_EMCP@h /* Enable machine check */
+ ori r0,r0,0x4000 /* time base is processor clock */
mtspr HID0,r0
- isync
#if defined(CONFIG_ADDR_STREAMING)
li r0,0x3000
@@ -386,31 +368,26 @@ _start:
li r0,0x1000
#endif
mtspr HID1,r0
- isync
/* Enable Branch Prediction */
#if defined(CONFIG_BTB)
li r0,0x201 /* BBFI = 1, BPEN = 1 */
mtspr BUCSR,r0
- isync
#endif
#if defined(CFG_INIT_DBCR)
lis r1,0xffff
ori r1,r1,0xffff
- mtspr dbsr,r1 /* Clear all status bits */
+ mtspr DBSR,r1 /* Clear all status bits */
lis r0,CFG_INIT_DBCR@h /* DBCR0[IDM] must be set */
ori r0,r0,CFG_INIT_DBCR@l
- mtspr dbcr0,r0
- isync
+ mtspr DBCR0,r0
#endif
/* L1 DCache is used for initial RAM */
mfspr r2, L1CSR0
ori r2, r2, 0x0003
oris r2, r2, 0x0001
- msync
- isync
mtspr L1CSR0, r2 /* enable/invalidate L1 Dcache */
isync
@@ -457,8 +434,7 @@ in_flash:
bl cpu_init_f
bl icache_enable
bl board_init_f
- sync
-
+ isync
/* --FIXME-- machine check with MCSRRn and rfmci */
@@ -922,6 +898,18 @@ ppcDcbi:
dcbi r0,r3
blr
+/*--------------------------------------------------------------------------
+ * Function: ppcDcbz
+ * Description: Data Cache block zero.
+ * Input: r3 = effective address
+ * Output: none.
+ *-------------------------------------------------------------------------- */
+
+ .globl ppcDcbz
+ppcDcbz:
+ dcbz r0,r3
+ blr
+
/*------------------------------------------------------------------------------- */
/* Function: ppcSync */
/* Description: Processor Synchronize */
generated by cgit v1.1 at 2024-11-16 21:00:22 +0000