Add support for PCI-Express on PPC440SPe (Yucca board).
This commit is contained in:
Rafal Jaworowski
Rafal Jaworowski
parent
edd6cf20e1
commit
692519b1ed
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@ -2,6 +2,8 @@
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Changes since U-Boot 1.1.4:
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Changes since U-Boot 1.1.4:
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======================================================================
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======================================================================
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* Add initial support for PCI-Express on PPC440SPe (Yucca board).
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* Fix timer problems on AMCC yucca board.
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* Fix timer problems on AMCC yucca board.
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Set Timer Clock Select to use CPU clock as a timer input source.
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Set Timer Clock Select to use CPU clock as a timer input source.
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@ -82,9 +82,12 @@
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*************************************************************************/
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*************************************************************************/
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.section .bootpg,"ax"
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.section .bootpg,"ax"
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.globl tlbtab
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tlbtab:
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/**************************************************************************
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* TLB table for revA
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*************************************************************************/
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.globl tlbtabA
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tlbtabA:
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tlbtab_start
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tlbtab_start
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tlbentry(0xfff00000, SZ_16M, 0xfff00000, 4, AC_R|AC_W|AC_X|SA_G)
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tlbentry(0xfff00000, SZ_16M, 0xfff00000, 4, AC_R|AC_W|AC_X|SA_G)
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@ -94,12 +97,63 @@ tlbtab:
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tlbentry(CFG_SDRAM_BASE + 0x30000000, SZ_256M, 0x30000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_SDRAM_BASE + 0x30000000, SZ_256M, 0x30000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I)
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tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I)
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tlbentry(CFG_FPGA_BASE,SZ_1K, 0xE2000000, 4,AC_R|AC_W|SA_I)
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tlbentry(CFG_FPGA_BASE, SZ_1K, 0xE2000000, 4,AC_R|AC_W|SA_I)
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tlbentry(CFG_OPER_FLASH,SZ_16M,0xE7000000, 4,AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE0_CFGBASE, SZ_16M, 0x40000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE1_CFGBASE, SZ_16M, 0x80000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE2_CFGBASE, SZ_16M, 0xC0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE0_XCFGBASE, SZ_4K, 0x50000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE1_XCFGBASE, SZ_4K, 0x90000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE2_XCFGBASE, SZ_4K, 0xD0000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE1_REGBASE, SZ_1K, 0x60000400, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE3_REGBASE, SZ_1K, 0x60001400, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE5_REGBASE, SZ_1K, 0x60002400, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbtab_end
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tlbtab_end
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/**************************************************************************
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* TLB table for revB
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*
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* Notice: revB of the 440SPe chip is very strict about PLB real addressess
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* and ranges to be mapped for config space: it seems to only work with
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* d_nnnn_nnnn range (hangs the core upon config transaction attempts when
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* set otherwise) while revA uses c_nnnn_nnnn.
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*************************************************************************/
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.globl tlbtabB
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tlbtabB:
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tlbtab_start
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tlbentry(0xfff00000, SZ_16M, 0xfff00000, 4, AC_R|AC_W|AC_X|SA_G)
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tlbentry(CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_SDRAM_BASE + 0x10000000, SZ_256M, 0x10000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_SDRAM_BASE + 0x20000000, SZ_256M, 0x20000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_SDRAM_BASE + 0x30000000, SZ_256M, 0x30000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x00000000, 4, AC_R|AC_W|AC_X|SA_I)
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tlbentry(CFG_FPGA_BASE, SZ_1K, 0xE2000000, 4,AC_R|AC_W|SA_I)
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tlbentry(CFG_OPER_FLASH, SZ_16M, 0xE7000000, 4,AC_R|AC_W|AC_X|SA_G|SA_I)
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tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE0_CFGBASE, SZ_1K, 0x00100000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE1_CFGBASE, SZ_1K, 0x20100000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE2_CFGBASE, SZ_1K, 0x40100000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE1_REGBASE, SZ_1K, 0x60000400, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE3_REGBASE, SZ_1K, 0x60001400, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbentry(CFG_PCIE5_REGBASE, SZ_1K, 0x60002400, 0xD, AC_R|AC_W|SA_G|SA_I)
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tlbtab_end
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@ -21,12 +21,16 @@
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* MA 02111-1307 USA
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* MA 02111-1307 USA
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*
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*
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* Port to AMCC-440SPE Evaluation Board SOP - April 2005
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* Port to AMCC-440SPE Evaluation Board SOP - April 2005
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*
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* PCIe supporting routines derived from Linux 440SPe PCIe driver.
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*/
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*/
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#include <common.h>
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#include <common.h>
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#include <ppc4xx.h>
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#include <ppc4xx.h>
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#include <asm/processor.h>
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#include <asm/processor.h>
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#include <i2c.h>
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#include <i2c.h>
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#include <asm-ppc/io.h>
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#include "yucca.h"
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#include "yucca.h"
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void fpga_init (void);
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void fpga_init (void);
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@ -39,6 +43,9 @@ int get_console_port(void);
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unsigned long ppcMfcpr(unsigned long cpr_reg);
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unsigned long ppcMfcpr(unsigned long cpr_reg);
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unsigned long ppcMfsdr(unsigned long sdr_reg);
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unsigned long ppcMfsdr(unsigned long sdr_reg);
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int ppc440spe_init_pcie_rootport(int port);
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void ppc440spe_setup_pcie(struct pci_controller *hose, int port);
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#define DEBUG_ENV
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#define DEBUG_ENV
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#ifdef DEBUG_ENV
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#ifdef DEBUG_ENV
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#define DEBUGF(fmt,args...) printf(fmt ,##args)
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#define DEBUGF(fmt,args...) printf(fmt ,##args)
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@ -908,6 +915,7 @@ void pci_target_init(struct pci_controller * hose )
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}
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}
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#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
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#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
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#if defined(CONFIG_PCI)
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/*************************************************************************
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/*************************************************************************
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* is_pci_host
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* is_pci_host
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*
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*
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@ -923,12 +931,131 @@ void pci_target_init(struct pci_controller * hose )
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*
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*
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*
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*
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************************************************************************/
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************************************************************************/
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#if defined(CONFIG_PCI)
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int is_pci_host(struct pci_controller *hose)
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int is_pci_host(struct pci_controller *hose)
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{
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{
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/* The yucca board is always configured as host. */
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/* The yucca board is always configured as host. */
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return 1;
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return 1;
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}
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}
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int yucca_pcie_card_present(int port)
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{
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u16 reg;
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reg = in_be16((u16 *)FPGA_REG1C);
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switch(port) {
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case 0:
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return !(reg & FPGA_REG1C_PE0_PRSNT);
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case 1:
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return !(reg & FPGA_REG1C_PE1_PRSNT);
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case 2:
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return !(reg & FPGA_REG1C_PE2_PRSNT);
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default:
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return 0;
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}
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}
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/*
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* For the given slot, set rootpoint mode, send power to the slot,
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* turn on the green LED and turn off the yellow LED, enable the clock
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* and turn off reset.
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*/
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void yucca_setup_pcie_fpga_rootpoint(int port)
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{
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u16 power, clock, green_led, yellow_led, reset_off, rootpoint, endpoint;
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switch(port) {
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case 0:
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rootpoint = FPGA_REG1C_PE0_ROOTPOINT;
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endpoint = 0;
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power = FPGA_REG1A_PE0_PWRON;
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green_led = FPGA_REG1A_PE0_GLED;
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clock = FPGA_REG1A_PE0_REFCLK_ENABLE;
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yellow_led = FPGA_REG1A_PE0_YLED;
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reset_off = FPGA_REG1C_PE0_PERST;
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break;
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case 1:
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rootpoint = 0;
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endpoint = FPGA_REG1C_PE1_ENDPOINT;
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power = FPGA_REG1A_PE1_PWRON;
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green_led = FPGA_REG1A_PE1_GLED;
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clock = FPGA_REG1A_PE1_REFCLK_ENABLE;
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yellow_led = FPGA_REG1A_PE1_YLED;
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reset_off = FPGA_REG1C_PE1_PERST;
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break;
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case 2:
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rootpoint = 0;
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endpoint = FPGA_REG1C_PE2_ENDPOINT;
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power = FPGA_REG1A_PE2_PWRON;
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green_led = FPGA_REG1A_PE2_GLED;
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clock = FPGA_REG1A_PE2_REFCLK_ENABLE;
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yellow_led = FPGA_REG1A_PE2_YLED;
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reset_off = FPGA_REG1C_PE2_PERST;
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break;
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default:
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return;
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}
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out_be16((u16 *)FPGA_REG1A,
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~(power | clock | green_led) &
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(yellow_led | in_be16((u16 *)FPGA_REG1A)));
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out_be16((u16 *)FPGA_REG1C,
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~(endpoint | reset_off) &
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(rootpoint | in_be16((u16 *)FPGA_REG1C)));
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/*
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* Leave device in reset for a while after powering on the
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* slot to give it a chance to initialize.
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*/
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udelay(250 * 1000);
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out_be16((u16 *)FPGA_REG1C, reset_off | in_be16((u16 *)FPGA_REG1C));
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}
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static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
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void pcie_setup_hoses(void)
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{
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struct pci_controller *hose;
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int i, bus;
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/*
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* assume we're called after the PCIX hose is initialized, which takes
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* bus ID 0 and therefore start numbering PCIe's from 1.
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*/
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bus = 1;
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for (i = 0; i <= 2; i++) {
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/* Check for yucca card presence */
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if (!yucca_pcie_card_present(i))
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continue;
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yucca_setup_pcie_fpga_rootpoint(i);
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if (ppc440spe_init_pcie_rootport(i)) {
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printf("PCIE%d: initialization failed\n", i);
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continue;
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}
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hose = &pcie_hose[i];
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hose->first_busno = bus;
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hose->last_busno = bus;
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bus++;
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/* setup mem resource */
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pci_set_region(hose->regions + 0,
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CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
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CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
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CFG_PCIE_MEMSIZE,
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PCI_REGION_MEM
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);
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hose->region_count = 1;
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pci_register_hose(hose);
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ppc440spe_setup_pcie(hose, i);
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hose->last_busno = pci_hose_scan(hose);
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}
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}
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#endif /* defined(CONFIG_PCI) */
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#endif /* defined(CONFIG_PCI) */
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int misc_init_f (void)
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int misc_init_f (void)
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@ -1094,4 +1221,3 @@ unsigned long ppcMfsdr(unsigned long sdr_reg)
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return (sdr_value);
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return (sdr_value);
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}
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}
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@ -315,7 +315,6 @@ void pci_405gp_init(struct pci_controller *hose)
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#ifdef CONFIG_PCI_SCAN_SHOW
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#ifdef CONFIG_PCI_SCAN_SHOW
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printf("PCI: Bus Dev VenId DevId Class Int\n");
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printf("PCI: Bus Dev VenId DevId Class Int\n");
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#endif
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#endif
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hose->last_busno = pci_hose_scan(hose);
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hose->last_busno = pci_hose_scan(hose);
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}
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}
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#endif /* CONFIG_PCI_PNP */
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#endif /* CONFIG_PCI_PNP */
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@ -563,10 +562,12 @@ void pci_440_init (struct pci_controller *hose)
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}
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}
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}
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}
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void pci_init_board(void)
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void pci_init_board(void)
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{
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{
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pci_440_init (&ppc440_hose);
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pci_440_init (&ppc440_hose);
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#if defined(CONFIG_440SPE)
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pcie_setup_hoses();
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#endif
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}
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}
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#endif /* CONFIG_440 & CONFIG_PCI */
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#endif /* CONFIG_440 & CONFIG_PCI */
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@ -0,0 +1,593 @@
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/*
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* (C) Copyright 2006
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||||||
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||||
|
*
|
||||||
|
* Copyright (c) 2005 Cisco Systems. All rights reserved.
|
||||||
|
* Roland Dreier <rolandd@cisco.com>
|
||||||
|
*
|
||||||
|
* See file CREDITS for list of people who contributed to this
|
||||||
|
* project.
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU General Public License as
|
||||||
|
* published by the Free Software Foundation; either version 2 of
|
||||||
|
* the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <asm/processor.h>
|
||||||
|
#include <asm-ppc/io.h>
|
||||||
|
#include <ppc4xx.h>
|
||||||
|
#include <common.h>
|
||||||
|
#include <pci.h>
|
||||||
|
|
||||||
|
#include "440spe_pcie.h"
|
||||||
|
|
||||||
|
#if defined(CONFIG_440SPE)
|
||||||
|
#if defined(CONFIG_PCI)
|
||||||
|
|
||||||
|
enum {
|
||||||
|
PTYPE_ENDPOINT = 0x0,
|
||||||
|
PTYPE_LEGACY_ENDPOINT = 0x1,
|
||||||
|
PTYPE_ROOT_PORT = 0x4,
|
||||||
|
|
||||||
|
LNKW_X1 = 0x1,
|
||||||
|
LNKW_X4 = 0x4,
|
||||||
|
LNKW_X8 = 0x8
|
||||||
|
};
|
||||||
|
|
||||||
|
static int pcie_read_config(struct pci_controller *hose, unsigned int devfn,
|
||||||
|
int offset, int len, u32 *val) {
|
||||||
|
|
||||||
|
*val = 0;
|
||||||
|
/*
|
||||||
|
* 440SPE implements only one function per port
|
||||||
|
*/
|
||||||
|
if (!((PCI_FUNC(devfn) == 0) && (PCI_DEV(devfn) == 1)))
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
devfn = PCI_BDF(0,0,0);
|
||||||
|
offset += devfn << 4;
|
||||||
|
|
||||||
|
switch (len) {
|
||||||
|
case 1:
|
||||||
|
*val = in_8(hose->cfg_data + offset);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
*val = in_le16((u16 *)(hose->cfg_data + offset));
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
*val = in_le32((u32 *)(hose->cfg_data + offset));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int pcie_write_config(struct pci_controller *hose, unsigned int devfn,
|
||||||
|
int offset, int len, u32 val) {
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 440SPE implements only one function per port
|
||||||
|
*/
|
||||||
|
if (!((PCI_FUNC(devfn) == 0) && (PCI_DEV(devfn) == 1)))
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
devfn = PCI_BDF(0,0,0);
|
||||||
|
offset += devfn << 4;
|
||||||
|
|
||||||
|
switch (len) {
|
||||||
|
case 1:
|
||||||
|
out_8(hose->cfg_data + offset, val);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
out_le16((u16 *)(hose->cfg_data + offset), val);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
out_le32((u32 *)(hose->cfg_data + offset), val);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int pcie_read_config_byte(struct pci_controller *hose,pci_dev_t dev,int offset,u8 *val)
|
||||||
|
{
|
||||||
|
u32 v;
|
||||||
|
int rv;
|
||||||
|
|
||||||
|
rv = pcie_read_config(hose, dev, offset, 1, &v);
|
||||||
|
*val = (u8)v;
|
||||||
|
return rv;
|
||||||
|
}
|
||||||
|
|
||||||
|
int pcie_read_config_word(struct pci_controller *hose,pci_dev_t dev,int offset,u16 *val)
|
||||||
|
{
|
||||||
|
u32 v;
|
||||||
|
int rv;
|
||||||
|
|
||||||
|
rv = pcie_read_config(hose, dev, offset, 2, &v);
|
||||||
|
*val = (u16)v;
|
||||||
|
return rv;
|
||||||
|
}
|
||||||
|
|
||||||
|
int pcie_read_config_dword(struct pci_controller *hose,pci_dev_t dev,int offset,u32 *val)
|
||||||
|
{
|
||||||
|
u32 v;
|
||||||
|
int rv;
|
||||||
|
|
||||||
|
rv = pcie_read_config(hose, dev, offset, 3, &v);
|
||||||
|
*val = (u32)v;
|
||||||
|
return rv;
|
||||||
|
}
|
||||||
|
|
||||||
|
int pcie_write_config_byte(struct pci_controller *hose,pci_dev_t dev,int offset,u8 val)
|
||||||
|
{
|
||||||
|
return pcie_write_config(hose,(u32)dev,offset,1,val);
|
||||||
|
}
|
||||||
|
|
||||||
|
int pcie_write_config_word(struct pci_controller *hose,pci_dev_t dev,int offset,u16 val)
|
||||||
|
{
|
||||||
|
return pcie_write_config(hose,(u32)dev,offset,2,(u32 )val);
|
||||||
|
}
|
||||||
|
|
||||||
|
int pcie_write_config_dword(struct pci_controller *hose,pci_dev_t dev,int offset,u32 val)
|
||||||
|
{
|
||||||
|
return pcie_write_config(hose,(u32)dev,offset,3,(u32 )val);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void ppc440spe_setup_utl(u32 port) {
|
||||||
|
|
||||||
|
volatile void *utl_base = NULL;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Map UTL registers
|
||||||
|
*/
|
||||||
|
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_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_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_SPECIAL(PCIE2), 0x68782800);
|
||||||
|
utl_base = (unsigned int *)(CFG_PCIE5_REGBASE);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Set buffer allocations and then assert VRB and TXE.
|
||||||
|
*/
|
||||||
|
out_be32(utl_base + PEUTL_OUTTR, 0x08000000);
|
||||||
|
out_be32(utl_base + PEUTL_INTR, 0x02000000);
|
||||||
|
out_be32(utl_base + PEUTL_OPDBSZ, 0x10000000);
|
||||||
|
out_be32(utl_base + PEUTL_PBBSZ, 0x53000000);
|
||||||
|
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);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int check_error(void)
|
||||||
|
{
|
||||||
|
u32 valPE0, valPE1, valPE2;
|
||||||
|
int err = 0;
|
||||||
|
|
||||||
|
/* SDR0_PEGPLLLCT1 reset */
|
||||||
|
if (!(valPE0 = SDR_READ(PESDR0_PLLLCT1) & 0x01000000)) {
|
||||||
|
printf("PCIE: SDR0_PEGPLLLCT1 reset error 0x%x\n", valPE0);
|
||||||
|
}
|
||||||
|
|
||||||
|
valPE0 = SDR_READ(PESDR0_RCSSET);
|
||||||
|
valPE1 = SDR_READ(PESDR1_RCSSET);
|
||||||
|
valPE2 = SDR_READ(PESDR2_RCSSET);
|
||||||
|
|
||||||
|
/* SDR0_PExRCSSET rstgu */
|
||||||
|
if (!(valPE0 & 0x01000000) ||
|
||||||
|
!(valPE1 & 0x01000000) ||
|
||||||
|
!(valPE2 & 0x01000000)) {
|
||||||
|
printf("PCIE: SDR0_PExRCSSET rstgu error\n");
|
||||||
|
err = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* SDR0_PExRCSSET rstdl */
|
||||||
|
if (!(valPE0 & 0x00010000) ||
|
||||||
|
!(valPE1 & 0x00010000) ||
|
||||||
|
!(valPE2 & 0x00010000)) {
|
||||||
|
printf("PCIE: SDR0_PExRCSSET rstdl error\n");
|
||||||
|
err = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* SDR0_PExRCSSET rstpyn */
|
||||||
|
if ((valPE0 & 0x00001000) ||
|
||||||
|
(valPE1 & 0x00001000) ||
|
||||||
|
(valPE2 & 0x00001000)) {
|
||||||
|
printf("PCIE: SDR0_PExRCSSET rstpyn error\n");
|
||||||
|
err = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* SDR0_PExRCSSET hldplb */
|
||||||
|
if ((valPE0 & 0x10000000) ||
|
||||||
|
(valPE1 & 0x10000000) ||
|
||||||
|
(valPE2 & 0x10000000)) {
|
||||||
|
printf("PCIE: SDR0_PExRCSSET hldplb error\n");
|
||||||
|
err = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* SDR0_PExRCSSET rdy */
|
||||||
|
if ((valPE0 & 0x00100000) ||
|
||||||
|
(valPE1 & 0x00100000) ||
|
||||||
|
(valPE2 & 0x00100000)) {
|
||||||
|
printf("PCIE: SDR0_PExRCSSET rdy error\n");
|
||||||
|
err = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* SDR0_PExRCSSET shutdown */
|
||||||
|
if ((valPE0 & 0x00000100) ||
|
||||||
|
(valPE1 & 0x00000100) ||
|
||||||
|
(valPE2 & 0x00000100)) {
|
||||||
|
printf("PCIE: SDR0_PExRCSSET shutdown error\n");
|
||||||
|
err = -1;
|
||||||
|
}
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Initialize PCI Express core
|
||||||
|
*/
|
||||||
|
int ppc440spe_init_pcie(void)
|
||||||
|
{
|
||||||
|
int time_out = 20;
|
||||||
|
|
||||||
|
/* Set PLL clock receiver to LVPECL */
|
||||||
|
SDR_WRITE(PESDR0_PLLLCT1, SDR_READ(PESDR0_PLLLCT1) | 1 << 28);
|
||||||
|
|
||||||
|
if (check_error())
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
if (!(SDR_READ(PESDR0_PLLLCT2) & 0x10000))
|
||||||
|
{
|
||||||
|
printf("PCIE: PESDR_PLLCT2 resistance calibration failed (0x%08x)\n",
|
||||||
|
SDR_READ(PESDR0_PLLLCT2));
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
/* De-assert reset of PCIe PLL, wait for lock */
|
||||||
|
SDR_WRITE(PESDR0_PLLLCT1, SDR_READ(PESDR0_PLLLCT1) & ~(1 << 24));
|
||||||
|
udelay(3);
|
||||||
|
|
||||||
|
while(time_out) {
|
||||||
|
if (!(SDR_READ(PESDR0_PLLLCT3) & 0x10000000)) {
|
||||||
|
time_out--;
|
||||||
|
udelay(1);
|
||||||
|
} else
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (!time_out) {
|
||||||
|
printf("PCIE: VCO output not locked\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int ppc440spe_init_pcie_rootport(int port)
|
||||||
|
{
|
||||||
|
static int core_init;
|
||||||
|
volatile u32 val = 0;
|
||||||
|
int attempts;
|
||||||
|
|
||||||
|
if (!core_init) {
|
||||||
|
++core_init;
|
||||||
|
if (ppc440spe_init_pcie())
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Initialize various parts of the PCI Express core for our port:
|
||||||
|
*
|
||||||
|
* - Set as a root port and enable max width
|
||||||
|
* (PXIE0 -> X8, PCIE1 and PCIE2 -> X4).
|
||||||
|
* - Set up UTL configuration.
|
||||||
|
* - Increase SERDES drive strength to levels suggested by AMCC.
|
||||||
|
* - De-assert RSTPYN, RSTDL and RSTGU.
|
||||||
|
*
|
||||||
|
* NOTICE for revB chip: PESDRn_UTLSET2 is not set - we leave it with
|
||||||
|
* default setting 0x11310000. The register has new fields,
|
||||||
|
* PESDRn_UTLSET2[LKINE] in particular: clearing it leads to PCIE core
|
||||||
|
* hang.
|
||||||
|
*/
|
||||||
|
switch (port) {
|
||||||
|
case 0:
|
||||||
|
SDR_WRITE(PESDR0_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X8 << 12);
|
||||||
|
|
||||||
|
SDR_WRITE(PESDR0_UTLSET1, 0x21222222);
|
||||||
|
if (!ppc440spe_revB())
|
||||||
|
SDR_WRITE(PESDR0_UTLSET2, 0x11000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL0SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL1SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL2SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL3SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL4SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL5SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL6SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_HSSL7SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR0_RCSSET,
|
||||||
|
(SDR_READ(PESDR0_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 1:
|
||||||
|
SDR_WRITE(PESDR1_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X4 << 12);
|
||||||
|
SDR_WRITE(PESDR1_UTLSET1, 0x21222222);
|
||||||
|
if (!ppc440spe_revB())
|
||||||
|
SDR_WRITE(PESDR1_UTLSET2, 0x11000000);
|
||||||
|
SDR_WRITE(PESDR1_HSSL0SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR1_HSSL1SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR1_HSSL2SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR1_HSSL3SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR1_RCSSET,
|
||||||
|
(SDR_READ(PESDR1_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
SDR_WRITE(PESDR2_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X4 << 12);
|
||||||
|
SDR_WRITE(PESDR2_UTLSET1, 0x21222222);
|
||||||
|
if (!ppc440spe_revB())
|
||||||
|
SDR_WRITE(PESDR2_UTLSET2, 0x11000000);
|
||||||
|
SDR_WRITE(PESDR2_HSSL0SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR2_HSSL1SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR2_HSSL2SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR2_HSSL3SET1, 0x35000000);
|
||||||
|
SDR_WRITE(PESDR2_RCSSET,
|
||||||
|
(SDR_READ(PESDR2_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
/*
|
||||||
|
* Notice: the following delay has critical impact on device
|
||||||
|
* initialization - if too short (<50ms) the link doesn't get up.
|
||||||
|
*/
|
||||||
|
mdelay(100);
|
||||||
|
|
||||||
|
switch (port) {
|
||||||
|
case 0: val = SDR_READ(PESDR0_RCSSTS); break;
|
||||||
|
case 1: val = SDR_READ(PESDR1_RCSSTS); break;
|
||||||
|
case 2: val = SDR_READ(PESDR2_RCSSTS); break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (val & (1 << 20)) {
|
||||||
|
printf("PCIE%d: PGRST failed %08x\n", port, val);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Verify link is up
|
||||||
|
*/
|
||||||
|
val = 0;
|
||||||
|
switch (port)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
val = SDR_READ(PESDR0_LOOP);
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
val = SDR_READ(PESDR1_LOOP);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
val = SDR_READ(PESDR2_LOOP);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (!(val & 0x00001000)) {
|
||||||
|
printf("PCIE%d: link is not up.\n", port);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Setup UTL registers - but only on revA!
|
||||||
|
* We use default settings for revB chip.
|
||||||
|
*/
|
||||||
|
if (!ppc440spe_revB())
|
||||||
|
ppc440spe_setup_utl(port);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* We map PCI Express configuration access into the 512MB regions
|
||||||
|
*
|
||||||
|
* NOTICE: revB is very strict about PLB real addressess and ranges to
|
||||||
|
* be mapped for config space; it seems to only work with d_nnnn_nnnn
|
||||||
|
* range (hangs the core upon config transaction attempts when set
|
||||||
|
* otherwise) while revA uses c_nnnn_nnnn.
|
||||||
|
*
|
||||||
|
* For revA:
|
||||||
|
* PCIE0: 0xc_4000_0000
|
||||||
|
* PCIE1: 0xc_8000_0000
|
||||||
|
* PCIE2: 0xc_c000_0000
|
||||||
|
*
|
||||||
|
* For revB:
|
||||||
|
* PCIE0: 0xd_0000_0000
|
||||||
|
* PCIE1: 0xd_2000_0000
|
||||||
|
* PCIE2: 0xd_4000_0000
|
||||||
|
*/
|
||||||
|
switch (port) {
|
||||||
|
case 0:
|
||||||
|
if (ppc440spe_revB()) {
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000d);
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x00000000);
|
||||||
|
} else {
|
||||||
|
/* revA */
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000c);
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x40000000);
|
||||||
|
}
|
||||||
|
mtdcr(DCRN_PEGPL_CFGMSK(PCIE0), 0xe0000001); /* 512MB region, valid */
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 1:
|
||||||
|
if (ppc440spe_revB()) {
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000d);
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x20000000);
|
||||||
|
} else {
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000c);
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x80000000);
|
||||||
|
}
|
||||||
|
mtdcr(DCRN_PEGPL_CFGMSK(PCIE1), 0xe0000001); /* 512MB region, valid */
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
if (ppc440spe_revB()) {
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000d);
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0x40000000);
|
||||||
|
} else {
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000c);
|
||||||
|
mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0xc0000000);
|
||||||
|
}
|
||||||
|
mtdcr(DCRN_PEGPL_CFGMSK(PCIE2), 0xe0000001); /* 512MB region, valid */
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Check for VC0 active and assert RDY.
|
||||||
|
*/
|
||||||
|
attempts = 10;
|
||||||
|
switch (port) {
|
||||||
|
case 0:
|
||||||
|
while(!(SDR_READ(PESDR0_RCSSTS) & (1 << 16))) {
|
||||||
|
if (!(attempts--)) {
|
||||||
|
printf("PCIE0: VC0 not active\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
mdelay(1000);
|
||||||
|
}
|
||||||
|
SDR_WRITE(PESDR0_RCSSET, SDR_READ(PESDR0_RCSSET) | 1 << 20);
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
while(!(SDR_READ(PESDR1_RCSSTS) & (1 << 16))) {
|
||||||
|
if (!(attempts--)) {
|
||||||
|
printf("PCIE1: VC0 not active\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
mdelay(1000);
|
||||||
|
}
|
||||||
|
|
||||||
|
SDR_WRITE(PESDR1_RCSSET, SDR_READ(PESDR1_RCSSET) | 1 << 20);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
while(!(SDR_READ(PESDR2_RCSSTS) & (1 << 16))) {
|
||||||
|
if (!(attempts--)) {
|
||||||
|
printf("PCIE2: VC0 not active\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
mdelay(1000);
|
||||||
|
}
|
||||||
|
|
||||||
|
SDR_WRITE(PESDR2_RCSSET, SDR_READ(PESDR2_RCSSET) | 1 << 20);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
mdelay(100);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void ppc440spe_setup_pcie(struct pci_controller *hose, int port)
|
||||||
|
{
|
||||||
|
volatile void *mbase = NULL;
|
||||||
|
|
||||||
|
pci_set_ops(hose,
|
||||||
|
pcie_read_config_byte,
|
||||||
|
pcie_read_config_word,
|
||||||
|
pcie_read_config_dword,
|
||||||
|
pcie_write_config_byte,
|
||||||
|
pcie_write_config_word,
|
||||||
|
pcie_write_config_dword);
|
||||||
|
|
||||||
|
switch(port) {
|
||||||
|
case 0:
|
||||||
|
mbase = (u32 *)CFG_PCIE0_XCFGBASE;
|
||||||
|
hose->cfg_data = (u8 *)CFG_PCIE0_CFGBASE;
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
mbase = (u32 *)CFG_PCIE1_XCFGBASE;
|
||||||
|
hose->cfg_data = (u8 *)CFG_PCIE1_CFGBASE;
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
mbase = (u32 *)CFG_PCIE2_XCFGBASE;
|
||||||
|
hose->cfg_data = (u8 *)CFG_PCIE2_CFGBASE;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Set bus numbers on our root port
|
||||||
|
*/
|
||||||
|
if (ppc440spe_revB()) {
|
||||||
|
out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0);
|
||||||
|
out_8((u8 *)mbase + PCI_SECONDARY_BUS, 1);
|
||||||
|
out_8((u8 *)mbase + PCI_SUBORDINATE_BUS, 1);
|
||||||
|
} else {
|
||||||
|
out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0);
|
||||||
|
out_8((u8 *)mbase + PCI_SECONDARY_BUS, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Set up outbound translation to hose->mem_space from PLB
|
||||||
|
* addresses at an offset of 0xd_0000_0000. We set the low
|
||||||
|
* bits of the mask to 11 to turn off splitting into 8
|
||||||
|
* subregions and to enable the outbound translation.
|
||||||
|
*/
|
||||||
|
out_le32(mbase + PECFG_POM0LAH, 0x00000000);
|
||||||
|
out_le32(mbase + PECFG_POM0LAL, (CFG_PCIE_MEMBASE +
|
||||||
|
port * CFG_PCIE_MEMSIZE));
|
||||||
|
|
||||||
|
switch (port) {
|
||||||
|
case 0:
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0), 0x0000000d);
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0), CFG_PCIE_MEMBASE +
|
||||||
|
port * CFG_PCIE_MEMSIZE);
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE0), 0x7fffffff);
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE0),
|
||||||
|
~(CFG_PCIE_MEMSIZE - 1) | 3);
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1), 0x0000000d);
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1), (CFG_PCIE_MEMBASE +
|
||||||
|
port * CFG_PCIE_MEMSIZE));
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE1), 0x7fffffff);
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE1),
|
||||||
|
~(CFG_PCIE_MEMSIZE - 1) | 3);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2), 0x0000000d);
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2), (CFG_PCIE_MEMBASE +
|
||||||
|
port * CFG_PCIE_MEMSIZE));
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE2), 0x7fffffff);
|
||||||
|
mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE2),
|
||||||
|
~(CFG_PCIE_MEMSIZE - 1) | 3);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Set up 16GB inbound memory window at 0 */
|
||||||
|
out_le32(mbase + PCI_BASE_ADDRESS_0, 0);
|
||||||
|
out_le32(mbase + PCI_BASE_ADDRESS_1, 0);
|
||||||
|
out_le32(mbase + PECFG_BAR0HMPA, 0x7fffffc);
|
||||||
|
out_le32(mbase + PECFG_BAR0LMPA, 0);
|
||||||
|
out_le32(mbase + PECFG_PIM0LAL, 0);
|
||||||
|
out_le32(mbase + PECFG_PIM0LAH, 0);
|
||||||
|
out_le32(mbase + PECFG_PIMEN, 0x1);
|
||||||
|
|
||||||
|
/* Enable I/O, Mem, and Busmaster cycles */
|
||||||
|
out_le16((u16 *)(mbase + PCI_COMMAND),
|
||||||
|
in_le16((u16 *)(mbase + PCI_COMMAND)) |
|
||||||
|
PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
|
||||||
|
}
|
||||||
|
#endif /* CONFIG_PCI */
|
||||||
|
#endif /* CONFIG_440SPE */
|
||||||
|
|
@ -0,0 +1,162 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2005 Cisco Systems. All rights reserved.
|
||||||
|
* Roland Dreier <rolandd@cisco.com>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify it
|
||||||
|
* under the terms of the GNU General Public License as published by the
|
||||||
|
* Free Software Foundation; either version 2 of the License, or (at your
|
||||||
|
* option) any later version.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <ppc4xx.h>
|
||||||
|
#ifndef __440SPE_PCIE_H
|
||||||
|
#define __440SPE_PCIE_H
|
||||||
|
|
||||||
|
#define mdelay(n) ({unsigned long __ms=(n); while (__ms--) udelay(1000);})
|
||||||
|
|
||||||
|
#define DCRN_SDR0_CFGADDR 0x00e
|
||||||
|
#define DCRN_SDR0_CFGDATA 0x00f
|
||||||
|
|
||||||
|
#define DCRN_PCIE0_BASE 0x100
|
||||||
|
#define DCRN_PCIE1_BASE 0x120
|
||||||
|
#define DCRN_PCIE2_BASE 0x140
|
||||||
|
#define PCIE0 DCRN_PCIE0_BASE
|
||||||
|
#define PCIE1 DCRN_PCIE1_BASE
|
||||||
|
#define PCIE2 DCRN_PCIE2_BASE
|
||||||
|
|
||||||
|
#define DCRN_PEGPL_CFGBAH(base) (base + 0x00)
|
||||||
|
#define DCRN_PEGPL_CFGBAL(base) (base + 0x01)
|
||||||
|
#define DCRN_PEGPL_CFGMSK(base) (base + 0x02)
|
||||||
|
#define DCRN_PEGPL_MSGBAH(base) (base + 0x03)
|
||||||
|
#define DCRN_PEGPL_MSGBAL(base) (base + 0x04)
|
||||||
|
#define DCRN_PEGPL_MSGMSK(base) (base + 0x05)
|
||||||
|
#define DCRN_PEGPL_OMR1BAH(base) (base + 0x06)
|
||||||
|
#define DCRN_PEGPL_OMR1BAL(base) (base + 0x07)
|
||||||
|
#define DCRN_PEGPL_OMR1MSKH(base) (base + 0x08)
|
||||||
|
#define DCRN_PEGPL_OMR1MSKL(base) (base + 0x09)
|
||||||
|
#define DCRN_PEGPL_REGBAH(base) (base + 0x12)
|
||||||
|
#define DCRN_PEGPL_REGBAL(base) (base + 0x13)
|
||||||
|
#define DCRN_PEGPL_REGMSK(base) (base + 0x14)
|
||||||
|
#define DCRN_PEGPL_SPECIAL(base) (base + 0x15)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* System DCRs (SDRs)
|
||||||
|
*/
|
||||||
|
#define PESDR0_PLLLCT1 0x03a0
|
||||||
|
#define PESDR0_PLLLCT2 0x03a1
|
||||||
|
#define PESDR0_PLLLCT3 0x03a2
|
||||||
|
|
||||||
|
#define PESDR0_UTLSET1 0x0300
|
||||||
|
#define PESDR0_UTLSET2 0x0301
|
||||||
|
#define PESDR0_DLPSET 0x0302
|
||||||
|
#define PESDR0_LOOP 0x0303
|
||||||
|
#define PESDR0_RCSSET 0x0304
|
||||||
|
#define PESDR0_RCSSTS 0x0305
|
||||||
|
#define PESDR0_HSSL0SET1 0x0306
|
||||||
|
#define PESDR0_HSSL0SET2 0x0307
|
||||||
|
#define PESDR0_HSSL0STS 0x0308
|
||||||
|
#define PESDR0_HSSL1SET1 0x0309
|
||||||
|
#define PESDR0_HSSL1SET2 0x030a
|
||||||
|
#define PESDR0_HSSL1STS 0x030b
|
||||||
|
#define PESDR0_HSSL2SET1 0x030c
|
||||||
|
#define PESDR0_HSSL2SET2 0x030d
|
||||||
|
#define PESDR0_HSSL2STS 0x030e
|
||||||
|
#define PESDR0_HSSL3SET1 0x030f
|
||||||
|
#define PESDR0_HSSL3SET2 0x0310
|
||||||
|
#define PESDR0_HSSL3STS 0x0311
|
||||||
|
#define PESDR0_HSSL4SET1 0x0312
|
||||||
|
#define PESDR0_HSSL4SET2 0x0313
|
||||||
|
#define PESDR0_HSSL4STS 0x0314
|
||||||
|
#define PESDR0_HSSL5SET1 0x0315
|
||||||
|
#define PESDR0_HSSL5SET2 0x0316
|
||||||
|
#define PESDR0_HSSL5STS 0x0317
|
||||||
|
#define PESDR0_HSSL6SET1 0x0318
|
||||||
|
#define PESDR0_HSSL6SET2 0x0319
|
||||||
|
#define PESDR0_HSSL6STS 0x031a
|
||||||
|
#define PESDR0_HSSL7SET1 0x031b
|
||||||
|
#define PESDR0_HSSL7SET2 0x031c
|
||||||
|
#define PESDR0_HSSL7STS 0x031d
|
||||||
|
#define PESDR0_HSSCTLSET 0x031e
|
||||||
|
#define PESDR0_LANE_ABCD 0x031f
|
||||||
|
#define PESDR0_LANE_EFGH 0x0320
|
||||||
|
|
||||||
|
#define PESDR1_UTLSET1 0x0340
|
||||||
|
#define PESDR1_UTLSET2 0x0341
|
||||||
|
#define PESDR1_DLPSET 0x0342
|
||||||
|
#define PESDR1_LOOP 0x0343
|
||||||
|
#define PESDR1_RCSSET 0x0344
|
||||||
|
#define PESDR1_RCSSTS 0x0345
|
||||||
|
#define PESDR1_HSSL0SET1 0x0346
|
||||||
|
#define PESDR1_HSSL0SET2 0x0347
|
||||||
|
#define PESDR1_HSSL0STS 0x0348
|
||||||
|
#define PESDR1_HSSL1SET1 0x0349
|
||||||
|
#define PESDR1_HSSL1SET2 0x034a
|
||||||
|
#define PESDR1_HSSL1STS 0x034b
|
||||||
|
#define PESDR1_HSSL2SET1 0x034c
|
||||||
|
#define PESDR1_HSSL2SET2 0x034d
|
||||||
|
#define PESDR1_HSSL2STS 0x034e
|
||||||
|
#define PESDR1_HSSL3SET1 0x034f
|
||||||
|
#define PESDR1_HSSL3SET2 0x0350
|
||||||
|
#define PESDR1_HSSL3STS 0x0351
|
||||||
|
#define PESDR1_HSSCTLSET 0x0352
|
||||||
|
#define PESDR1_LANE_ABCD 0x0353
|
||||||
|
|
||||||
|
#define PESDR2_UTLSET1 0x0370
|
||||||
|
#define PESDR2_UTLSET2 0x0371
|
||||||
|
#define PESDR2_DLPSET 0x0372
|
||||||
|
#define PESDR2_LOOP 0x0373
|
||||||
|
#define PESDR2_RCSSET 0x0374
|
||||||
|
#define PESDR2_RCSSTS 0x0375
|
||||||
|
#define PESDR2_HSSL0SET1 0x0376
|
||||||
|
#define PESDR2_HSSL0SET2 0x0377
|
||||||
|
#define PESDR2_HSSL0STS 0x0378
|
||||||
|
#define PESDR2_HSSL1SET1 0x0379
|
||||||
|
#define PESDR2_HSSL1SET2 0x037a
|
||||||
|
#define PESDR2_HSSL1STS 0x037b
|
||||||
|
#define PESDR2_HSSL2SET1 0x037c
|
||||||
|
#define PESDR2_HSSL2SET2 0x037d
|
||||||
|
#define PESDR2_HSSL2STS 0x037e
|
||||||
|
#define PESDR2_HSSL3SET1 0x037f
|
||||||
|
#define PESDR2_HSSL3SET2 0x0380
|
||||||
|
#define PESDR2_HSSL3STS 0x0381
|
||||||
|
#define PESDR2_HSSCTLSET 0x0382
|
||||||
|
#define PESDR2_LANE_ABCD 0x0383
|
||||||
|
|
||||||
|
/*
|
||||||
|
* UTL register offsets
|
||||||
|
*/
|
||||||
|
#define PEUTL_PBBSZ 0x20
|
||||||
|
#define PEUTL_OPDBSZ 0x68
|
||||||
|
#define PEUTL_IPHBSZ 0x70
|
||||||
|
#define PEUTL_IPDBSZ 0x78
|
||||||
|
#define PEUTL_OUTTR 0x90
|
||||||
|
#define PEUTL_INTR 0x98
|
||||||
|
#define PEUTL_PCTL 0xa0
|
||||||
|
#define PEUTL_RCIRQEN 0xb8
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Config space register offsets
|
||||||
|
*/
|
||||||
|
#define PECFG_BAR0LMPA 0x210
|
||||||
|
#define PECFG_BAR0HMPA 0x214
|
||||||
|
#define PECFG_PIMEN 0x33c
|
||||||
|
#define PECFG_PIM0LAL 0x340
|
||||||
|
#define PECFG_PIM0LAH 0x344
|
||||||
|
#define PECFG_POM0LAL 0x380
|
||||||
|
#define PECFG_POM0LAH 0x384
|
||||||
|
|
||||||
|
#define SDR_READ(offset) ({\
|
||||||
|
mtdcr(DCRN_SDR0_CFGADDR, offset); \
|
||||||
|
mfdcr(DCRN_SDR0_CFGDATA);})
|
||||||
|
|
||||||
|
#define SDR_WRITE(offset, data) ({\
|
||||||
|
mtdcr(DCRN_SDR0_CFGADDR, offset); \
|
||||||
|
mtdcr(DCRN_SDR0_CFGDATA,data);})
|
||||||
|
|
||||||
|
int ppc440spe_init_pcie(void);
|
||||||
|
int ppc440spe_init_pcie_rootport(int port);
|
||||||
|
void yucca_setup_pcie_fpga_rootpoint(int port);
|
||||||
|
void ppc440spe_setup_pcie(struct pci_controller *hose, int port);
|
||||||
|
int yucca_pcie_card_present(int port);
|
||||||
|
int pcie_hose_scan(struct pci_controller *hose, int bus);
|
||||||
|
#endif /* __440SPE_PCIE_H */
|
||||||
|
|
@ -31,7 +31,8 @@ COBJS = 405gp_pci.o 4xx_enet.o \
|
||||||
bedbug_405.o commproc.o \
|
bedbug_405.o commproc.o \
|
||||||
cpu.o cpu_init.o i2c.o interrupts.o \
|
cpu.o cpu_init.o i2c.o interrupts.o \
|
||||||
miiphy.o sdram.o serial.o \
|
miiphy.o sdram.o serial.o \
|
||||||
spd_sdram.o speed.o traps.o usb_ohci.o usbdev.o
|
spd_sdram.o speed.o traps.o usb_ohci.o usbdev.o \
|
||||||
|
440spe_pcie.o
|
||||||
|
|
||||||
OBJS = $(AOBJS) $(COBJS)
|
OBJS = $(AOBJS) $(COBJS)
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -315,6 +315,17 @@ int checkcpu (void)
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#if defined (CONFIG_440SPE)
|
||||||
|
int ppc440spe_revB() {
|
||||||
|
unsigned int pvr;
|
||||||
|
|
||||||
|
pvr = get_pvr();
|
||||||
|
if (pvr == PVR_440SPe_RB)
|
||||||
|
return 1;
|
||||||
|
else
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
/* ------------------------------------------------------------------------- */
|
/* ------------------------------------------------------------------------- */
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -315,7 +315,23 @@ rsttlb: tlbwe r0,r1,0x0000 /* Invalidate all entries (V=0)*/
|
||||||
/*----------------------------------------------------------------*/
|
/*----------------------------------------------------------------*/
|
||||||
/* TLB entry setup -- step thru tlbtab */
|
/* TLB entry setup -- step thru tlbtab */
|
||||||
/*----------------------------------------------------------------*/
|
/*----------------------------------------------------------------*/
|
||||||
|
#if defined(CONFIG_440SPE)
|
||||||
|
/*----------------------------------------------------------------*/
|
||||||
|
/* We have different TLB tables for revA and rev B of 440SPe */
|
||||||
|
/*----------------------------------------------------------------*/
|
||||||
|
mfspr r1, PVR
|
||||||
|
lis r0,0x5342
|
||||||
|
ori r0,r0,0x1891
|
||||||
|
cmpw r7,r1,r0
|
||||||
|
bne r7,..revA
|
||||||
|
bl tlbtabB
|
||||||
|
b ..goon
|
||||||
|
..revA:
|
||||||
|
bl tlbtabA
|
||||||
|
..goon:
|
||||||
|
#else
|
||||||
bl tlbtab /* Get tlbtab pointer */
|
bl tlbtab /* Get tlbtab pointer */
|
||||||
|
#endif
|
||||||
mr r5,r0
|
mr r5,r0
|
||||||
li r1,0x003f /* 64 TLB entries max */
|
li r1,0x003f /* 64 TLB entries max */
|
||||||
mtctr r1
|
mtctr r1
|
||||||
|
|
|
||||||
|
|
@ -244,6 +244,9 @@ void pciinfo (int, int);
|
||||||
void pci_master_init (struct pci_controller *);
|
void pci_master_init (struct pci_controller *);
|
||||||
# endif
|
# endif
|
||||||
int is_pci_host (struct pci_controller *);
|
int is_pci_host (struct pci_controller *);
|
||||||
|
#if defined(CONFIG_440SPE)
|
||||||
|
void pcie_setup_hoses(void);
|
||||||
|
#endif
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
int misc_init_f (void);
|
int misc_init_f (void);
|
||||||
|
|
@ -461,6 +464,7 @@ void get_sys_info ( sys_info_t * );
|
||||||
# if defined(CONFIG_440SPE)
|
# if defined(CONFIG_440SPE)
|
||||||
unsigned long determine_sysper(void);
|
unsigned long determine_sysper(void);
|
||||||
unsigned long determine_pci_clock_per(void);
|
unsigned long determine_pci_clock_per(void);
|
||||||
|
int ppc440spe_revB(void);
|
||||||
# endif
|
# endif
|
||||||
# else
|
# else
|
||||||
typedef PPC405_SYS_INFO sys_info_t;
|
typedef PPC405_SYS_INFO sys_info_t;
|
||||||
|
|
|
||||||
|
|
@ -63,17 +63,26 @@
|
||||||
#define CFG_PERIPHERAL_BASE 0xa0000000 /* internal peripherals */
|
#define CFG_PERIPHERAL_BASE 0xa0000000 /* internal peripherals */
|
||||||
#define CFG_ISRAM_BASE 0x90000000 /* internal SRAM */
|
#define CFG_ISRAM_BASE 0x90000000 /* internal SRAM */
|
||||||
|
|
||||||
#define CFG_PCI_MEMBASE 0x80000000 /* mapped pci memory */
|
#define CFG_PCI_MEMBASE 0x80000000 /* mapped PCI memory */
|
||||||
#define CFG_PCI_MEMBASE1 0x90000000 /* mapped pci memory */
|
|
||||||
#define CFG_PCI_MEMBASE2 0xa0000000 /* mapped pci memory */
|
|
||||||
#define CFG_PCI_MEMBASE3 0xb0000000 /* mapped pci memory */
|
|
||||||
|
|
||||||
#define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */
|
#define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */
|
||||||
#define CFG_PCI_TARGBASE 0x80000000 /*PCIaddr mapped to CFG_PCI_MEMBASE*/
|
#define CFG_PCI_TARGBASE CFG_PCI_MEMBASE
|
||||||
|
|
||||||
/* #define CFG_PCI_BASE_IO 0xB8000000 */ /* internal PCI I-O */
|
#define CFG_PCIE_MEMBASE 0xB0000000 /* mapped PCIe memory */
|
||||||
/* #define CFG_PCI_BASE_REGS 0xBEC00000 */ /* internal PCI regs */
|
#define CFG_PCIE_MEMSIZE 0x01000000
|
||||||
/* #define CFG_PCI_BASE_CYCLE 0xBED00000 */ /* internal PCI regs */
|
|
||||||
|
#define CFG_PCIE0_CFGBASE 0xc0000000
|
||||||
|
#define CFG_PCIE0_XCFGBASE 0xc0000400
|
||||||
|
#define CFG_PCIE1_CFGBASE 0xc0001000
|
||||||
|
#define CFG_PCIE1_XCFGBASE 0xc0001400
|
||||||
|
#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 */
|
/* System RAM mapped to PCI space */
|
||||||
#define CONFIG_PCI_SYS_MEM_BUS CFG_SDRAM_BASE
|
#define CONFIG_PCI_SYS_MEM_BUS CFG_SDRAM_BASE
|
||||||
|
|
@ -292,6 +301,7 @@
|
||||||
*/
|
*/
|
||||||
/* Support for Intel 82557/82559/82559ER chips. */
|
/* Support for Intel 82557/82559/82559ER chips. */
|
||||||
#define CONFIG_EEPRO100
|
#define CONFIG_EEPRO100
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* For booting Linux, the board info and command line data
|
* For booting Linux, the board info and command line data
|
||||||
* have to be in the first 8 MB of memory, since this is
|
* have to be in the first 8 MB of memory, since this is
|
||||||
|
|
@ -506,8 +516,8 @@
|
||||||
#define FPGA_REG1C_PE1_WAKE 0x0040
|
#define FPGA_REG1C_PE1_WAKE 0x0040
|
||||||
#define FPGA_REG1C_PE2_WAKE 0x0020
|
#define FPGA_REG1C_PE2_WAKE 0x0020
|
||||||
#define FPGA_REG1C_PE0_PERST 0x0010
|
#define FPGA_REG1C_PE0_PERST 0x0010
|
||||||
#define FPGA_REG1C_PE1_PERST 0x0080
|
#define FPGA_REG1C_PE1_PERST 0x0008
|
||||||
#define FPGA_REG1C_PE2_PERST 0x0040
|
#define FPGA_REG1C_PE2_PERST 0x0004
|
||||||
|
|
||||||
/*----------------------------------------------------------------------------+
|
/*----------------------------------------------------------------------------+
|
||||||
| Defines
|
| Defines
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue