From: Mingkai Hu Mingkai.Hu@freescale.com
The endian and base address of PEX LUT register region is different between Chassis 2 and Chassis 3, so move the base address definition to chassis specific header file and add pex_lut_* functions to access LUT register.
Signed-off-by: Mingkai Hu Mingkai.Hu@freescale.com Signed-off-by: Gong Qianyu Qianyu.Gong@freescale.com --- V2: - Fix compile errors for ls1021a.
arch/arm/include/asm/arch-fsl-layerscape/config.h | 2 ++ arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h | 4 ++++ arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h | 4 ++++ arch/arm/include/asm/arch-fsl-layerscape/soc.h | 8 ++++++++ drivers/pci/pcie_layerscape.c | 14 +++++++------- 5 files changed, 25 insertions(+), 7 deletions(-)
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h index 87bb937..fe361da 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/config.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h @@ -44,6 +44,7 @@ #define CONFIG_SYS_FSL_CCSR_SCFG_LE #define CONFIG_SYS_FSL_ESDHC_LE #define CONFIG_SYS_FSL_IFC_LE +#define CONFIG_SYS_FSL_PEX_LUT_LE
#define CONFIG_SYS_MEMAC_LITTLE_ENDIAN
@@ -113,6 +114,7 @@ #define CONFIG_SYS_FSL_WDOG_BE #define CONFIG_SYS_FSL_DSPI_BE #define CONFIG_SYS_FSL_QSPI_BE +#define CONFIG_SYS_FSL_PEX_LUT_BE
#define QE_MURAM_SIZE 0x6000UL #define MAX_QE_RISC 1 diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h index d941437..f52815d 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h @@ -60,6 +60,10 @@ #define CONFIG_SYS_PCIE1_PHYS_ADDR 0x4000000000ULL #define CONFIG_SYS_PCIE2_PHYS_ADDR 0x4800000000ULL #define CONFIG_SYS_PCIE3_PHYS_ADDR 0x5000000000ULL +/* LUT registers */ +#define PCIE_LUT_BASE 0x10000 +#define PCIE_LUT_LCTRL0 0x7F8 +#define PCIE_LUT_DBG 0x7FC
/* TZ Address Space Controller Definitions */ #define TZASC1_BASE 0x01100000 /* as per CCSR map. */ diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h index 6a70d44..e700af0 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h @@ -78,6 +78,10 @@ #define CONFIG_SYS_PCIE2_PHYS_ADDR 0x1200000000ULL #define CONFIG_SYS_PCIE3_PHYS_ADDR 0x1400000000ULL #define CONFIG_SYS_PCIE4_PHYS_ADDR 0x1600000000ULL +/* LUT registers */ +#define PCIE_LUT_BASE 0x80000 +#define PCIE_LUT_LCTRL0 0x7F8 +#define PCIE_LUT_DBG 0x7FC
/* Device Configuration */ #define DCFG_BASE 0x01e00000 diff --git a/arch/arm/include/asm/arch-fsl-layerscape/soc.h b/arch/arm/include/asm/arch-fsl-layerscape/soc.h index 5ed456e..8691906 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h @@ -23,6 +23,14 @@ #define scfg_out32(a, v) out_be32(a, v) #endif
+#ifdef CONFIG_SYS_FSL_PEX_LUT_LE +#define pex_lut_in32(a) in_le32(a) +#define pex_lut_out32(a, v) out_le32(a, v) +#elif defined(CONFIG_SYS_FSL_PEX_LUT_BE) +#define pex_lut_in32(a) in_be32(a) +#define pex_lut_out32(a, v) out_be32(a, v) +#endif + struct cpu_type { char name[15]; u32 soc_ver; diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index 4cee038..8471678 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -13,6 +13,7 @@ #include <malloc.h> #ifdef CONFIG_FSL_LAYERSCAPE #include <asm/arch/fdt.h> +#include <asm/arch/soc.h> #endif
#ifndef CONFIG_SYS_PCI_MEMORY_BUS @@ -57,11 +58,6 @@ #define PCIE_ATU_FUNC(x) (((x) & 0x7) << 16) #define PCIE_ATU_UPPER_TARGET 0x91C
-/* LUT registers */ -#define PCIE_LUT_BASE 0x80000 -#define PCIE_LUT_LCTRL0 0x7F8 -#define PCIE_LUT_DBG 0x7FC - #define PCIE_DBI_RO_WR_EN 0x8bc
#define PCIE_LINK_CAP 0x7c @@ -157,12 +153,12 @@ static int ls_pcie_link_state(struct ls_pcie *pcie)
return 1; } -#else +#elif defined(CONFIG_FSL_LAYERSCAPE) static int ls_pcie_link_state(struct ls_pcie *pcie) { u32 state;
- state = readl(pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_DBG) & + state = pex_lut_in32(pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_DBG) & LTSSM_STATE_MASK; if (state < LTSSM_PCIE_L0) { debug("....PCIe link error. LTSSM=0x%02x.\n", state); @@ -466,16 +462,20 @@ static void ls_pcie_setup_ep(struct ls_pcie *pcie, struct ls_pcie_info *info)
for (pf = 0; pf < PCIE_PF_NUM; pf++) { for (vf = 0; vf <= PCIE_VF_NUM; vf++) { +#ifdef CONFIG_FSL_LAYERSCAPE writel(PCIE_LCTRL0_VAL(pf, vf), pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_LCTRL0); +#endif ls_pcie_ep_setup_bars(pcie->dbi); ls_pcie_ep_setup_atu(pcie, info); } }
/* Disable CFG2 */ +#ifdef CONFIG_FSL_LAYERSCAPE writel(0, pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_LCTRL0); +#endif } else { ls_pcie_ep_setup_bars(pcie->dbi + PCIE_NO_SRIOV_BAR_BASE); ls_pcie_ep_setup_atu(pcie, info);