X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fasm-ppc%2F4xx_pcie.h;h=4c03b050fef28d689f8fe4089cd983d76e8e2fb2;hb=f58934551e052db5a1f33f53dcc9cbf6fcb72910;hp=220c60cd761401fa3c4e64908bbd560304f0c95e;hpb=026f71106871f31d17d0ea0db9a7547ff92934bc;p=oweals%2Fu-boot.git diff --git a/include/asm-ppc/4xx_pcie.h b/include/asm-ppc/4xx_pcie.h index 220c60cd76..4c03b050fe 100644 --- a/include/asm-ppc/4xx_pcie.h +++ b/include/asm-ppc/4xx_pcie.h @@ -12,14 +12,35 @@ #ifndef __4XX_PCIE_H #define __4XX_PCIE_H -#define mdelay(n) ({unsigned long __ms=(n); while (__ms--) udelay(1000);}) - #define DCRN_SDR0_CFGADDR 0x00e #define DCRN_SDR0_CFGDATA 0x00f +#if defined(CONFIG_440SPE) +#define CFG_PCIE_NR_PORTS 3 + +#define CFG_PCIE_ADDR_HIGH 0x0000000d + #define DCRN_PCIE0_BASE 0x100 #define DCRN_PCIE1_BASE 0x120 #define DCRN_PCIE2_BASE 0x140 + +#define PCIE0_SDR 0x300 +#define PCIE1_SDR 0x340 +#define PCIE2_SDR 0x370 +#endif + +#if defined(CONFIG_405EX) +#define CFG_PCIE_NR_PORTS 2 + +#define CFG_PCIE_ADDR_HIGH 0x00000000 + +#define DCRN_PCIE0_BASE 0x040 +#define DCRN_PCIE1_BASE 0x060 + +#define PCIE0_SDR 0x400 +#define PCIE1_SDR 0x440 +#endif + #define PCIE0 DCRN_PCIE0_BASE #define PCIE1 DCRN_PCIE1_BASE #define PCIE2 DCRN_PCIE2_BASE @@ -47,6 +68,28 @@ #define PESDR0_PLLLCT2 0x03a1 #define PESDR0_PLLLCT3 0x03a2 +/* common regs, at least for 405EX and 440SPe */ +#define SDRN_PESDR_UTLSET1(n) (sdr_base(n) + 0x00) +#define SDRN_PESDR_UTLSET2(n) (sdr_base(n) + 0x01) +#define SDRN_PESDR_DLPSET(n) (sdr_base(n) + 0x02) +#define SDRN_PESDR_LOOP(n) (sdr_base(n) + 0x03) +#define SDRN_PESDR_RCSSET(n) (sdr_base(n) + 0x04) +#define SDRN_PESDR_RCSSTS(n) (sdr_base(n) + 0x05) + +#if defined(CONFIG_440SPE) +#define SDRN_PESDR_HSSL0SET1(n) (sdr_base(n) + 0x06) +#define SDRN_PESDR_HSSL0SET2(n) (sdr_base(n) + 0x07) +#define SDRN_PESDR_HSSL0STS(n) (sdr_base(n) + 0x08) +#define SDRN_PESDR_HSSL1SET1(n) (sdr_base(n) + 0x09) +#define SDRN_PESDR_HSSL1SET2(n) (sdr_base(n) + 0x0a) +#define SDRN_PESDR_HSSL1STS(n) (sdr_base(n) + 0x0b) +#define SDRN_PESDR_HSSL2SET1(n) (sdr_base(n) + 0x0c) +#define SDRN_PESDR_HSSL2SET2(n) (sdr_base(n) + 0x0d) +#define SDRN_PESDR_HSSL2STS(n) (sdr_base(n) + 0x0e) +#define SDRN_PESDR_HSSL3SET1(n) (sdr_base(n) + 0x0f) +#define SDRN_PESDR_HSSL3SET2(n) (sdr_base(n) + 0x10) +#define SDRN_PESDR_HSSL3STS(n) (sdr_base(n) + 0x11) + #define PESDR0_UTLSET1 0x0300 #define PESDR0_UTLSET2 0x0301 #define PESDR0_DLPSET 0x0302 @@ -123,9 +166,44 @@ #define PESDR2_HSSCTLSET 0x0382 #define PESDR2_LANE_ABCD 0x0383 +#elif defined(CONFIG_405EX) + +#define SDRN_PESDR_PHYSET1(n) (sdr_base(n) + 0x06) +#define SDRN_PESDR_PHYSET2(n) (sdr_base(n) + 0x07) +#define SDRN_PESDR_BIST(n) (sdr_base(n) + 0x08) +#define SDRN_PESDR_LPB(n) (sdr_base(n) + 0x0b) +#define SDRN_PESDR_PHYSTA(n) (sdr_base(n) + 0x0c) + +#define PESDR0_UTLSET1 0x0400 +#define PESDR0_UTLSET2 0x0401 +#define PESDR0_DLPSET 0x0402 +#define PESDR0_LOOP 0x0403 +#define PESDR0_RCSSET 0x0404 +#define PESDR0_RCSSTS 0x0405 +#define PESDR0_PHYSET1 0x0406 +#define PESDR0_PHYSET2 0x0407 +#define PESDR0_BIST 0x0408 +#define PESDR0_LPB 0x040B +#define PESDR0_PHYSTA 0x040C + +#define PESDR1_UTLSET1 0x0440 +#define PESDR1_UTLSET2 0x0441 +#define PESDR1_DLPSET 0x0442 +#define PESDR1_LOOP 0x0443 +#define PESDR1_RCSSET 0x0444 +#define PESDR1_RCSSTS 0x0445 +#define PESDR1_PHYSET1 0x0446 +#define PESDR1_PHYSET2 0x0447 +#define PESDR1_BIST 0x0448 +#define PESDR1_LPB 0x044B +#define PESDR1_PHYSTA 0x044C + +#endif + /* * UTL register offsets */ +#define PEUTL_PBCTL 0x00 #define PEUTL_PBBSZ 0x20 #define PEUTL_OPDBSZ 0x68 #define PEUTL_IPHBSZ 0x70 @@ -133,6 +211,7 @@ #define PEUTL_OUTTR 0x90 #define PEUTL_INTR 0x98 #define PEUTL_PCTL 0xa0 +#define PEUTL_RCSTA 0xb0 #define PEUTL_RCIRQEN 0xb8 /* @@ -141,7 +220,8 @@ #define PECFG_BAR0LMPA 0x210 #define PECFG_BAR0HMPA 0x214 #define PECFG_BAR1MPA 0x218 -#define PECFG_BAR2MPA 0x220 +#define PECFG_BAR2LMPA 0x220 +#define PECFG_BAR2HMPA 0x224 #define PECFG_PIMEN 0x33c #define PECFG_PIM0LAL 0x340 @@ -164,10 +244,93 @@ #define GPL_DMER_MASK_DISA 0x02000000 +#define U64_TO_U32_LOW(val) ((u32)((val) & 0x00000000ffffffffULL)) +#define U64_TO_U32_HIGH(val) ((u32)((val) >> 32)) + +/* + * Prototypes + */ int ppc4xx_init_pcie(void); int ppc4xx_init_pcie_rootport(int port); +int ppc4xx_init_pcie_endport(int port); void ppc4xx_setup_pcie_rootpoint(struct pci_controller *hose, int port); int ppc4xx_setup_pcie_endpoint(struct pci_controller *hose, int port); int pcie_hose_scan(struct pci_controller *hose, int bus); +/* + * Function to determine root port or endport from env variable. + */ +static inline int is_end_point(int port) +{ + char s[10], *tk; + char *pcie_mode = getenv("pcie_mode"); + + if (pcie_mode == NULL) + return 0; + + strcpy(s, pcie_mode); + tk = strtok(s, ":"); + + switch (port) { + case 0: + if (tk != NULL) { + if (!(strcmp(tk, "ep") && strcmp(tk, "EP"))) + return 1; + else + return 0; + } + else + return 0; + + case 1: + tk = strtok(NULL, ":"); + if (tk != NULL) { + if (!(strcmp(tk, "ep") && strcmp(tk, "EP"))) + return 1; + else + return 0; + } + else + return 0; + + case 2: + tk = strtok(NULL, ":"); + if (tk != NULL) + tk = strtok(NULL, ":"); + if (tk != NULL) { + if (!(strcmp(tk, "ep") && strcmp(tk, "EP"))) + return 1; + else + return 0; + } + else + return 0; + } + + return 0; +} + +static inline void mdelay(int n) +{ + u32 ms = n; + + while (ms--) + udelay(1000); +} + +static inline u32 sdr_base(int port) +{ + switch (port) { + default: /* to satisfy compiler */ + case 0: + return PCIE0_SDR; + case 1: + return PCIE1_SDR; +#if CFG_PCIE_NR_PORTS > 2 + case 2: + return PCIE2_SDR; +#endif + } +} + #endif /* __4XX_PCIE_H */