summaryrefslogtreecommitdiff
path: root/cpu/ppc4xx
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/ppc4xx')
-rw-r--r--cpu/ppc4xx/4xx_pcie.c44
-rw-r--r--cpu/ppc4xx/cpu.c2
2 files changed, 42 insertions, 4 deletions
diff --git a/cpu/ppc4xx/4xx_pcie.c b/cpu/ppc4xx/4xx_pcie.c
index de79552..cafd933 100644
--- a/cpu/ppc4xx/4xx_pcie.c
+++ b/cpu/ppc4xx/4xx_pcie.c
@@ -401,6 +401,48 @@ int ppc4xx_init_pcie(void)
return 0;
}
#else
+static void ppc4xx_setup_utl(u32 port)
+{
+ u32 utl_base;
+
+ /*
+ * Map UTL registers at 0xef4f_n000 (4K 0xfff mask) PEGPLn_REGMSK
+ */
+ switch (port) {
+ case 0:
+ mtdcr(DCRN_PEGPL_REGBAH(PCIE0), 0x00000000);
+ mtdcr(DCRN_PEGPL_REGBAL(PCIE0), CFG_PCIE0_UTLBASE);
+ mtdcr(DCRN_PEGPL_REGMSK(PCIE0), 0xfffffc01); /* 4k region, valid */
+ mtdcr(DCRN_PEGPL_SPECIAL(PCIE0), 0);
+ break;
+
+ case 1:
+ mtdcr(DCRN_PEGPL_REGBAH(PCIE1), 0x00000000);
+ mtdcr(DCRN_PEGPL_REGBAL(PCIE1), CFG_PCIE1_UTLBASE);
+ mtdcr(DCRN_PEGPL_REGMSK(PCIE1), 0xfffffc01); /* 4k region, valid */
+ mtdcr(DCRN_PEGPL_SPECIAL(PCIE1), 0);
+
+ break;
+ }
+ utl_base = (port==0) ? CFG_PCIE0_UTLBASE : CFG_PCIE1_UTLBASE;
+
+ /*
+ * Set buffer allocations and then assert VRB and TXE.
+ */
+ out_be32((u32 *)(utl_base + PEUTL_OUTTR), 0x02000000);
+ out_be32((u32 *)(utl_base + PEUTL_INTR), 0x02000000);
+ out_be32((u32 *)(utl_base + PEUTL_OPDBSZ), 0x04000000);
+ out_be32((u32 *)(utl_base + PEUTL_PBBSZ), 0x21000000);
+ out_be32((u32 *)(utl_base + PEUTL_IPHBSZ), 0x02000000);
+ out_be32((u32 *)(utl_base + PEUTL_IPDBSZ), 0x04000000);
+ out_be32((u32 *)(utl_base + PEUTL_RCIRQEN), 0x00f00000);
+ out_be32((u32 *)(utl_base + PEUTL_PCTL), 0x80800066);
+
+ out_be32((u32 *)(utl_base + PEUTL_PBCTL), 0x0800000c);
+ out_be32((u32 *)(utl_base + PEUTL_RCSTA),
+ in_be32((u32 *)(utl_base + PEUTL_RCSTA)) | 0x000040000);
+}
+
int ppc4xx_init_pcie(void)
{
/*
@@ -643,14 +685,12 @@ int ppc4xx_init_pcie_port(int port, int rootport)
return -1;
}
-#if defined(CONFIG_440SPE)
/*
* Setup UTL registers - but only on revA!
* We use default settings for revB chip.
*/
if (!ppc440spe_revB())
ppc4xx_setup_utl(port);
-#endif
/*
* We map PCI Express configuration access into the 512MB regions
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index d376f52..9e9c685 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -510,7 +510,6 @@ int checkcpu (void)
return 0;
}
-#if defined (CONFIG_440SPE)
int ppc440spe_revB() {
unsigned int pvr;
@@ -520,7 +519,6 @@ int ppc440spe_revB() {
else
return 0;
}
-#endif
/* ------------------------------------------------------------------------- */