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Fix PCI-Express on PPC440SPe rev. A.

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master
Rafal Jaworowski 18 years ago committed by Rafal Jaworowski
parent 692519b1ed
commit 36b904a7fd
5 changed files with 26 additions and 37 deletions
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  1. 2
      CHANGELOG
  2. 23
      board/amcc/yucca/init.S
  3. 1
      board/amcc/yucca/yucca.c
  4. 27
      cpu/ppc4xx/440spe_pcie.c
  5. 10
      include/configs/yucca.h

2
CHANGELOG
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@ -2,6 +2,8 @@
Changes since U-Boot 1.1.4:
======================================================================
* Fix PCI-Express on PPC440SPe rev. A.
* Add initial support for PCI-Express on PPC440SPe (Yucca board).
* Fix timer problems on AMCC yucca board.

23
board/amcc/yucca/init.S
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@ -105,17 +105,14 @@ tlbtabA:
tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE0_CFGBASE, SZ_16M, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE1_CFGBASE, SZ_16M, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE2_CFGBASE, SZ_16M, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE0_XCFGBASE, SZ_4K, 0x50000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE1_XCFGBASE, SZ_4K, 0x90000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE2_XCFGBASE, SZ_4K, 0xD0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE1_REGBASE, SZ_1K, 0x60000400, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE3_REGBASE, SZ_1K, 0x60001400, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE5_REGBASE, SZ_1K, 0x60002400, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE_BASE, SZ_16K, 0x20000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x50000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x90000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0xD0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbtab_end
/**************************************************************************
@ -152,8 +149,4 @@ tlbtabB:
tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE1_REGBASE, SZ_1K, 0x60000400, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE3_REGBASE, SZ_1K, 0x60001400, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCIE5_REGBASE, SZ_1K, 0x60002400, 0xD, AC_R|AC_W|SA_G|SA_I)
tlbtab_end

1
board/amcc/yucca/yucca.c
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@ -1032,6 +1032,7 @@ void pcie_setup_hoses(void)
continue;
yucca_setup_pcie_fpga_rootpoint(i);
if (ppc440spe_init_pcie_rootport(i)) {
printf("PCIE%d: initialization failed\n", i);
continue;

27
cpu/ppc4xx/440spe_pcie.c
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@ -148,30 +148,28 @@ static void ppc440spe_setup_utl(u32 port) {
*/
switch (port) {
case 0:
mtdcr(DCRN_PEGPL_REGBAH(PCIE0), 0x0000000d);
mtdcr(DCRN_PEGPL_REGBAL(PCIE0), 0x60000400);
mtdcr(DCRN_PEGPL_REGMSK(PCIE0), 0xFFFFFC01);
mtdcr(DCRN_PEGPL_REGBAH(PCIE0), 0x0000000c);
mtdcr(DCRN_PEGPL_REGBAL(PCIE0), 0x20000000);
mtdcr(DCRN_PEGPL_REGMSK(PCIE0), 0x00007001);
mtdcr(DCRN_PEGPL_SPECIAL(PCIE0), 0x68782800);
utl_base = (unsigned int *)(CFG_PCIE1_REGBASE);
break;
case 1:
mtdcr(DCRN_PEGPL_REGBAH(PCIE1), 0x0000000d);
mtdcr(DCRN_PEGPL_REGBAL(PCIE1), 0x60001400);
mtdcr(DCRN_PEGPL_REGMSK(PCIE1), 0xFFFFFC01);
mtdcr(DCRN_PEGPL_REGBAH(PCIE1), 0x0000000c);
mtdcr(DCRN_PEGPL_REGBAL(PCIE1), 0x20001000);
mtdcr(DCRN_PEGPL_REGMSK(PCIE1), 0x00007001);
mtdcr(DCRN_PEGPL_SPECIAL(PCIE1), 0x68782800);
utl_base = (unsigned int *)(CFG_PCIE3_REGBASE);
break;
case 2:
mtdcr(DCRN_PEGPL_REGBAH(PCIE2), 0x0000000d);
mtdcr(DCRN_PEGPL_REGBAL(PCIE2), 0x60002400);
mtdcr(DCRN_PEGPL_REGMSK(PCIE2), 0xFFFFFC01);
mtdcr(DCRN_PEGPL_REGBAH(PCIE2), 0x0000000c);
mtdcr(DCRN_PEGPL_REGBAL(PCIE2), 0x20002000);
mtdcr(DCRN_PEGPL_REGMSK(PCIE2), 0x00007001);
mtdcr(DCRN_PEGPL_SPECIAL(PCIE2), 0x68782800);
utl_base = (unsigned int *)(CFG_PCIE5_REGBASE);
break;
}
utl_base = (unsigned int *)(CFG_PCIE_BASE + 0x1000 * port);
/*
* Set buffer allocations and then assert VRB and TXE.
*/
@ -182,7 +180,7 @@ static void ppc440spe_setup_utl(u32 port) {
out_be32(utl_base + PEUTL_IPHBSZ, 0x08000000);
out_be32(utl_base + PEUTL_IPDBSZ, 0x10000000);
out_be32(utl_base + PEUTL_RCIRQEN, 0x00f00000);
out_be32(utl_base + PEUTL_PCTL, 0x8080007d);
out_be32(utl_base + PEUTL_PCTL, 0x80800066);
}
static int check_error(void)
@ -420,6 +418,7 @@ int ppc440spe_init_pcie_rootport(int port)
* PCIE1: 0xd_2000_0000
* PCIE2: 0xd_4000_0000
*/
switch (port) {
case 0:
if (ppc440spe_revB()) {

10
include/configs/yucca.h
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@ -67,8 +67,9 @@
#define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */
#define CFG_PCI_TARGBASE CFG_PCI_MEMBASE
#define CFG_PCIE_MEMBASE 0xB0000000 /* mapped PCIe memory */
#define CFG_PCIE_MEMBASE 0xb0000000 /* mapped PCIe memory */
#define CFG_PCIE_MEMSIZE 0x01000000
#define CFG_PCIE_BASE 0xe0000000 /* PCIe UTL regs */
#define CFG_PCIE0_CFGBASE 0xc0000000
#define CFG_PCIE0_XCFGBASE 0xc0000400
@ -77,13 +78,6 @@
#define CFG_PCIE2_CFGBASE 0xc0002000
#define CFG_PCIE2_XCFGBASE 0xc0002400
#define CFG_PCIE0_REGBASE 0xc0003000
#define CFG_PCIE1_REGBASE 0xc0003400
#define CFG_PCIE2_REGBASE 0xc0004000
#define CFG_PCIE3_REGBASE 0xc0004400
#define CFG_PCIE4_REGBASE 0xc0005000
#define CFG_PCIE5_REGBASE 0xc0005400
/* System RAM mapped to PCI space */
#define CONFIG_PCI_SYS_MEM_BUS CFG_SDRAM_BASE
#define CONFIG_PCI_SYS_MEM_PHYS CFG_SDRAM_BASE

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