There are more than five kinds of Layerscape SoCs. unfortunately,
PCIe controller of each SoC is a little bit different. In order
to avoid too many macro definitions, the patch re-implement PCIe
driver based on DM. PCIe dts node is to describe the difference.
Signed-off-by: Minghuan Lian <minghuan.l...@nxp.com>
---
.../include/asm/arch-fsl-layerscape/immap_lsch3.h | 8 -
drivers/pci/Kconfig | 8 +
drivers/pci/pcie_layerscape.c | 958 +++++++++++----------
include/configs/ls1012a_common.h | 12 +
include/configs/ls1012aqds.h | 24 -
include/configs/ls1012ardb.h | 24 -
include/configs/ls1021aqds.h | 18 +-
include/configs/ls1021atwr.h | 18 +-
include/configs/ls1043a_common.h | 23 +-
include/configs/ls2080a_common.h | 27 +-
include/configs/ls2080aqds.h | 8 -
include/configs/ls2080ardb.h | 8 -
12 files changed, 526 insertions(+), 610 deletions(-)
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 7acba27..bd07808 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -104,14 +104,6 @@
#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
-#define PCIE_LUT_UDR(n) (0x800 + (n) * 8)
-#define PCIE_LUT_LDR(n) (0x804 + (n) * 8)
-#define PCIE_LUT_ENABLE (1 << 31)
-#define PCIE_LUT_ENTRY_COUNT 32
/* Device Configuration */
#define DCFG_BASE 0x01e00000
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 9a7c187..3752d5f 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -46,4 +46,12 @@ config PCI_XILINX
Enable support for the Xilinx AXI bridge for PCI express, an IP block
which can be used on some generations of Xilinx FPGAs.
+config PCI_LAYERSCAPE
+ bool "Layerscape PCI support"
+ depends on (FSL_LAYERSCAPE || CONFIG_LS102XA) && DM_PCI
+ help
+ Support Layerscape PCI. The Layerscape SoC may have one or several
+ PCIe controllers. The PCIe may works in RC or EP mode according to
+ RCW setting.
+
endmenu
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
index 2e6b986..3bdcbff 100644
--- a/drivers/pci/pcie_layerscape.c
+++ b/drivers/pci/pcie_layerscape.c
@@ -10,12 +10,14 @@
#include <pci.h>
#include <asm/io.h>
#include <errno.h>
-#include <malloc.h>
+#include <dm.h>
#ifndef CONFIG_LS102XA
#include <asm/arch/fdt.h>
#include <asm/arch/soc.h>
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
#ifndef CONFIG_SYS_PCI_MEMORY_BUS
#define CONFIG_SYS_PCI_MEMORY_BUS CONFIG_SYS_SDRAM_BASE
#endif
@@ -32,14 +34,23 @@
#define CONFIG_SYS_PCI_EP_MEMORY_BASE CONFIG_SYS_LOAD_ADDR
#endif
+#ifdef CONFIG_LS102XA
+/* LS1021a PCIE space */
+#define LS1021_PCIE_SPACE_OFFSET 0x4000000000ULL
+#define LS1021_PCIE_SPACE_SIZE 0x0800000000ULL
+
+/* LS1021a PEX1/2 Misc Ports Status Register */
+#define LS1021_PEXMSCPORTSR(pex_idx) (0x94 + (pex_idx) * 4)
+#define LS1021_LTSSM_STATE_SHIFT 20
+#endif
+
/* iATU registers */
#define PCIE_ATU_VIEWPORT 0x900
#define PCIE_ATU_REGION_INBOUND (0x1 << 31)
#define PCIE_ATU_REGION_OUTBOUND (0x0 << 31)
#define PCIE_ATU_REGION_INDEX0 (0x0 << 0)
#define PCIE_ATU_REGION_INDEX1 (0x1 << 0)
-#define PCIE_ATU_REGION_INDEX2 (0x2 << 0)
-#define PCIE_ATU_REGION_INDEX3 (0x3 << 0)
+#define PCIE_ATU_REGION_NUM 6
#define PCIE_ATU_CR1 0x904
#define PCIE_ATU_TYPE_MEM (0x0 << 0)
#define PCIE_ATU_TYPE_IO (0x2 << 0)
@@ -58,6 +69,8 @@
#define PCIE_ATU_FUNC(x) (((x) & 0x7) << 16)
#define PCIE_ATU_UPPER_TARGET 0x91C
+#define PCIE_SRIOV 0x178
+#define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */
#define PCIE_DBI_RO_WR_EN 0x8bc
#define PCIE_LINK_CAP 0x7c
@@ -67,7 +80,15 @@
#define LTSSM_STATE_MASK 0x3f
#define LTSSM_PCIE_L0 0x11 /* L0 state */
-#define PCIE_DBI_SIZE 0x100000 /* 1M */
+/* LUT registers */
+#define PCIE_LUT_UDR(n) (0x800 + (n) * 8)
+#define PCIE_LUT_LDR(n) (0x804 + (n) * 8)
+#define PCIE_LUT_ENABLE (1 << 31)
+#define PCIE_LUT_ENTRY_COUNT 32
+
+/* PF Controll registers */
+#define PCIE_PF_VF_CTRL 0x7F8
+#define PCIE_PF_DBG 0x7FC
#define PCIE_LCTRL0_CFG2_ENABLE (1 << 31)
#define PCIE_LCTRL0_VF(vf) ((vf) << 22)
@@ -88,329 +109,388 @@
#define PCIE_BAR2_SIZE (4 * 1024) /* 4K */
#define PCIE_BAR4_SIZE (1 * 1024 * 1024) /* 1M */
+#define PCIE_SRDS_PRTCL(idx) (PCIE1 + (idx))
+#define PCIE_SYS_BASE_ADDR 0x3400000
+#define PCIE_CCSR_SIZE 0x0100000
+
+/* CS2 */
+#define PCIE_CS2_OFFSET 0x1000 /* For PCIe without SR-IOV */
+
struct ls_pcie {
int idx;
+ struct list_head list;
+ struct udevice *bus;
+ struct fdt_resource dbi_res;
+ struct fdt_resource lut_res;
+ struct fdt_resource ctrl_res;
+ struct fdt_resource cfg_res;
void __iomem *dbi;
- void __iomem *va_cfg0;
- void __iomem *va_cfg1;
+ void __iomem *lut;
+ void __iomem *ctrl;
+ void __iomem *cfg0;
+ void __iomem *cfg1;
+ bool big_endian;
+ bool enabled;
int next_lut_index;
struct pci_controller hose;
};
-struct ls_pcie_info {
- unsigned long regs;
- int pci_num;
- u64 phys_base;
- u64 cfg0_phys;
- u64 cfg0_size;
- u64 cfg1_phys;
- u64 cfg1_size;
- u64 mem_bus;
- u64 mem_phys;
- u64 mem_size;
- u64 io_bus;
- u64 io_phys;
- u64 io_size;
-};
+static LIST_HEAD(ls_pcie_list);
-#define SET_LS_PCIE_INFO(x, num) \
-{ \
- x.regs = CONFIG_SYS_PCIE##num##_ADDR; \
- x.phys_base = CONFIG_SYS_PCIE##num##_PHYS_ADDR; \
- x.cfg0_phys = CONFIG_SYS_PCIE_CFG0_PHYS_OFF + \
- CONFIG_SYS_PCIE##num##_PHYS_ADDR; \
- x.cfg0_size = CONFIG_SYS_PCIE_CFG0_SIZE; \
- x.cfg1_phys = CONFIG_SYS_PCIE_CFG1_PHYS_OFF + \
- CONFIG_SYS_PCIE##num##_PHYS_ADDR; \
- x.cfg1_size = CONFIG_SYS_PCIE_CFG1_SIZE; \
- x.mem_bus = CONFIG_SYS_PCIE_MEM_BUS; \
- x.mem_phys = CONFIG_SYS_PCIE_MEM_PHYS_OFF + \
- CONFIG_SYS_PCIE##num##_PHYS_ADDR; \
- x.mem_size = CONFIG_SYS_PCIE_MEM_SIZE; \
- x.io_bus = CONFIG_SYS_PCIE_IO_BUS; \
- x.io_phys = CONFIG_SYS_PCIE_IO_PHYS_OFF + \
- CONFIG_SYS_PCIE##num##_PHYS_ADDR; \
- x.io_size = CONFIG_SYS_PCIE_IO_SIZE; \
- x.pci_num = num; \
+static unsigned int dbi_readl(struct ls_pcie *pcie, unsigned int offset)
+{
+ return in_le32(pcie->dbi + offset);
}
-#ifdef CONFIG_LS102XA
-#include <asm/arch/immap_ls102xa.h>
-
-/* PEX1/2 Misc Ports Status Register */
-#define LTSSM_STATE_SHIFT 20
+static void dbi_writel(struct ls_pcie *pcie, unsigned int value,
+ unsigned int offset)
+{
+ out_le32(pcie->dbi + offset, value);
+}
-static int ls_pcie_link_state(struct ls_pcie *pcie)
+#ifdef CONFIG_FSL_LSCH3
+static void lut_writel(struct ls_pcie *pcie, unsigned int value,
+ unsigned int offset)
{
- u32 state;
- struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+ if (pcie->big_endian)
+ out_be32(pcie->lut + offset, value);
+ else
+ out_le32(pcie->lut + offset, value);
+}
+#endif
- state = in_be32(&scfg->pexmscportsr[pcie->idx]);
- state = (state >> LTSSM_STATE_SHIFT) & LTSSM_STATE_MASK;
- if (state < LTSSM_PCIE_L0) {
- debug("....PCIe link error. LTSSM=0x%02x.\n", state);
- return 0;
- }
+static unsigned int ctrl_readl(struct ls_pcie *pcie, unsigned int offset)
+{
+ if (pcie->big_endian)
+ return in_be32(pcie->ctrl + offset);
+ else
+ return in_le32(pcie->ctrl + offset);
+}
- return 1;
+static void ctrl_writel(struct ls_pcie *pcie, unsigned int value,
+ unsigned int offset)
+{
+ if (pcie->big_endian)
+ out_be32(pcie->ctrl + offset, value);
+ else
+ out_le32(pcie->ctrl + offset, value);
}
-#else
-static int ls_pcie_link_state(struct ls_pcie *pcie)
+
+#ifdef CONFIG_LS102XA
+static int ls_pcie_ltssm(struct ls_pcie *pcie)
{
u32 state;
- 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);
- return 0;
- }
+ state = ctrl_readl(pcie, LS1021_PEXMSCPORTSR(pcie->idx));
+ state = (state >> LS1021_LTSSM_STATE_SHIFT) & LTSSM_STATE_MASK;
- return 1;
+ return state;
+}
+#else
+static int ls_pcie_ltssm(struct ls_pcie *pcie)
+{
+ return ctrl_readl(pcie, PCIE_PF_DBG) & LTSSM_STATE_MASK;
}
#endif
static int ls_pcie_link_up(struct ls_pcie *pcie)
{
- int state;
- u32 cap;
-
- state = ls_pcie_link_state(pcie);
- if (state)
- return state;
+ int ltssm;
- /* Try to download speed to gen1 */
- cap = readl(pcie->dbi + PCIE_LINK_CAP);
- writel((cap & (~PCIE_LINK_SPEED_MASK)) | 1, pcie->dbi + PCIE_LINK_CAP);
- /*
- * Notice: the following delay has critical impact on link training
- * if too short (<30ms) the link doesn't get up.
- */
- mdelay(100);
- state = ls_pcie_link_state(pcie);
- if (state)
- return state;
-
- writel(cap, pcie->dbi + PCIE_LINK_CAP);
+ ltssm = ls_pcie_ltssm(pcie);
+ if (ltssm < LTSSM_PCIE_L0)
+ return 0;
- return 0;
+ return 1;
}
static void ls_pcie_cfg0_set_busdev(struct ls_pcie *pcie, u32 busdev)
{
- writel(PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0,
- pcie->dbi + PCIE_ATU_VIEWPORT);
- writel(busdev, pcie->dbi + PCIE_ATU_LOWER_TARGET);
+ dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0,
+ PCIE_ATU_VIEWPORT);
+ dbi_writel(pcie, busdev, PCIE_ATU_LOWER_TARGET);
}
static void ls_pcie_cfg1_set_busdev(struct ls_pcie *pcie, u32 busdev)
{
- writel(PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1,
- pcie->dbi + PCIE_ATU_VIEWPORT);
- writel(busdev, pcie->dbi + PCIE_ATU_LOWER_TARGET);
+ dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1,
+ PCIE_ATU_VIEWPORT);
+ dbi_writel(pcie, busdev, PCIE_ATU_LOWER_TARGET);
}
-static void ls_pcie_iatu_outbound_set(struct ls_pcie *pcie, int idx, int type,
+static void ls_pcie_atu_outbound_set(struct ls_pcie *pcie, int idx, int type,
u64 phys, u64 bus_addr, pci_size_t size)
{
- writel(PCIE_ATU_REGION_OUTBOUND | idx, pcie->dbi + PCIE_ATU_VIEWPORT);
- writel((u32)phys, pcie->dbi + PCIE_ATU_LOWER_BASE);
- writel(phys >> 32, pcie->dbi + PCIE_ATU_UPPER_BASE);
- writel(phys + size - 1, pcie->dbi + PCIE_ATU_LIMIT);
- writel((u32)bus_addr, pcie->dbi + PCIE_ATU_LOWER_TARGET);
- writel(bus_addr >> 32, pcie->dbi + PCIE_ATU_UPPER_TARGET);
- writel(type, pcie->dbi + PCIE_ATU_CR1);
- writel(PCIE_ATU_ENABLE, pcie->dbi + PCIE_ATU_CR2);
+ dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | idx, PCIE_ATU_VIEWPORT);
+ dbi_writel(pcie, (u32)phys, PCIE_ATU_LOWER_BASE);
+ dbi_writel(pcie, phys >> 32, PCIE_ATU_UPPER_BASE);
+ dbi_writel(pcie, (u32)phys + size - 1, PCIE_ATU_LIMIT);
+ dbi_writel(pcie, (u32)bus_addr, PCIE_ATU_LOWER_TARGET);
+ dbi_writel(pcie, bus_addr >> 32, PCIE_ATU_UPPER_TARGET);
+ dbi_writel(pcie, type, PCIE_ATU_CR1);
+ dbi_writel(pcie, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
}
/* Use bar match mode and MEM type as default */
-static void ls_pcie_iatu_inbound_set(struct ls_pcie *pcie, int idx,
+static void ls_pcie_atu_inbound_set(struct ls_pcie *pcie, int idx,
int bar, u64 phys)
{
- writel(PCIE_ATU_REGION_INBOUND | idx, pcie->dbi + PCIE_ATU_VIEWPORT);
- writel((u32)phys, pcie->dbi + PCIE_ATU_LOWER_TARGET);
- writel(phys >> 32, pcie->dbi + PCIE_ATU_UPPER_TARGET);
- writel(PCIE_ATU_TYPE_MEM, pcie->dbi + PCIE_ATU_CR1);
- writel(PCIE_ATU_ENABLE | PCIE_ATU_BAR_MODE_ENABLE |
- PCIE_ATU_BAR_NUM(bar), pcie->dbi + PCIE_ATU_CR2);
+ dbi_writel(pcie, PCIE_ATU_REGION_INBOUND | idx, PCIE_ATU_VIEWPORT);
+ dbi_writel(pcie, (u32)phys, PCIE_ATU_LOWER_TARGET);
+ dbi_writel(pcie, phys >> 32, PCIE_ATU_UPPER_TARGET);
+ dbi_writel(pcie, PCIE_ATU_TYPE_MEM, PCIE_ATU_CR1);
+ dbi_writel(pcie, PCIE_ATU_ENABLE | PCIE_ATU_BAR_MODE_ENABLE |
+ PCIE_ATU_BAR_NUM(bar), PCIE_ATU_CR2);
}
-static void ls_pcie_setup_atu(struct ls_pcie *pcie, struct ls_pcie_info *info)
+static void ls_pcie_dump_atu(struct ls_pcie *pcie)
{
-#ifdef DEBUG
int i;
-#endif
- /* ATU 0 : OUTBOUND : CFG0 */
- ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0,
- PCIE_ATU_TYPE_CFG0,
- info->cfg0_phys,
- 0,
- info->cfg0_size);
- /* ATU 1 : OUTBOUND : CFG1 */
- ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX1,
- PCIE_ATU_TYPE_CFG1,
- info->cfg1_phys,
- 0,
- info->cfg1_size);
- /* ATU 2 : OUTBOUND : MEM */
- ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX2,
- PCIE_ATU_TYPE_MEM,
- info->mem_phys,
- info->mem_bus,
- info->mem_size);
- /* ATU 3 : OUTBOUND : IO */
- ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX3,
- PCIE_ATU_TYPE_IO,
- info->io_phys,
- info->io_bus,
- info->io_size);
-
-#ifdef DEBUG
- for (i = 0; i <= PCIE_ATU_REGION_INDEX3; i++) {
- writel(PCIE_ATU_REGION_OUTBOUND | i,
- pcie->dbi + PCIE_ATU_VIEWPORT);
+ for (i = 0; i < PCIE_ATU_REGION_NUM; i++) {
+ dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | i,
+ PCIE_ATU_VIEWPORT);
debug("iATU%d:\n", i);
debug("\tLOWER PHYS 0x%08x\n",
- readl(pcie->dbi + PCIE_ATU_LOWER_BASE));
+ dbi_readl(pcie, PCIE_ATU_LOWER_BASE));
debug("\tUPPER PHYS 0x%08x\n",
- readl(pcie->dbi + PCIE_ATU_UPPER_BASE));
+ dbi_readl(pcie, PCIE_ATU_UPPER_BASE));
debug("\tLOWER BUS 0x%08x\n",
- readl(pcie->dbi + PCIE_ATU_LOWER_TARGET));
+ dbi_readl(pcie, PCIE_ATU_LOWER_TARGET));
debug("\tUPPER BUS 0x%08x\n",
- readl(pcie->dbi + PCIE_ATU_UPPER_TARGET));
+ dbi_readl(pcie, PCIE_ATU_UPPER_TARGET));
debug("\tLIMIT 0x%08x\n",
readl(pcie->dbi + PCIE_ATU_LIMIT));
debug("\tCR1 0x%08x\n",
- readl(pcie->dbi + PCIE_ATU_CR1));
+ dbi_readl(pcie, PCIE_ATU_CR1));
debug("\tCR2 0x%08x\n",
- readl(pcie->dbi + PCIE_ATU_CR2));
+ dbi_readl(pcie, PCIE_ATU_CR2));
}
-#endif
}
-int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev)
+static void ls_pcie_setup_atu(struct ls_pcie *pcie)
{
- /* Do not skip controller */
- return 0;
+ struct pci_region *io, *mem, *pref;
+ unsigned long long offset = 0;
+ int idx = 0;
+
+#ifdef CONFIG_LS102XA
+ offset = LS1021_PCIE_SPACE_OFFSET + LS1021_PCIE_SPACE_SIZE * pcie->idx;
+#endif
+
+ /* ATU 0 : OUTBOUND : CFG0 */
+ ls_pcie_atu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0,
+ PCIE_ATU_TYPE_CFG0,
+ pcie->cfg_res.start + offset,
+ 0,
+ fdt_resource_size(&pcie->cfg_res) / 2);
+ /* ATU 1 : OUTBOUND : CFG1 */
+ ls_pcie_atu_outbound_set(pcie, PCIE_ATU_REGION_INDEX1,
+ PCIE_ATU_TYPE_CFG1,
+ pcie->cfg_res.start + offset +
+ fdt_resource_size(&pcie->cfg_res) / 2,
+ 0,
+ fdt_resource_size(&pcie->cfg_res) / 2);
+
+ pci_get_regions(pcie->bus, &io, &mem, &pref);
+ idx = PCIE_ATU_REGION_INDEX1 + 1;
+
+ if (io)
+ /* ATU : OUTBOUND : IO */
+ ls_pcie_atu_outbound_set(pcie, idx++,
+ PCIE_ATU_TYPE_IO,
+ io->phys_start + offset,
+ io->bus_start,
+ io->size);
+
+ if (mem)
+ /* ATU : OUTBOUND : MEM */
+ ls_pcie_atu_outbound_set(pcie, idx++,
+ PCIE_ATU_TYPE_MEM,
+ mem->phys_start + offset,
+ mem->bus_start,
+ mem->size);
+
+ if (pref)
+ /* ATU : OUTBOUND : pref */
+ ls_pcie_atu_outbound_set(pcie, idx++,
+ PCIE_ATU_TYPE_MEM,
+ pref->phys_start + offset,
+ pref->bus_start,
+ pref->size);
+
+ ls_pcie_dump_atu(pcie);
}
-static int ls_pcie_addr_valid(struct pci_controller *hose, pci_dev_t d)
+static int ls_pcie_addr_valid(struct ls_pcie *pcie, pci_dev_t bdf)
{
- if (PCI_DEV(d) > 0)
+ struct udevice *bus = pcie->bus;
+
+ if (!pcie->enabled)
+ return -ENODEV;
+
+ if (PCI_BUS(bdf) < bus->seq)
+ return -EINVAL;
+
+ if ((PCI_BUS(bdf) > bus->seq) && (!ls_pcie_link_up(pcie)))
return -EINVAL;
- /* Controller does not support multi-function in RC mode */
- if ((PCI_BUS(d) == hose->first_busno) && (PCI_FUNC(d) > 0))
+ if (PCI_BUS(bdf) <= (bus->seq + 1) && (PCI_DEV(bdf) > 0))
return -EINVAL;
return 0;
}
-static int ls_pcie_read_config(struct pci_controller *hose, pci_dev_t d,
- int where, u32 *val)
+void *ls_pcie_conf_address(struct ls_pcie *pcie, pci_dev_t bdf,
+ int offset)
{
- struct ls_pcie *pcie = hose->priv_data;
- u32 busdev, *addr;
+ struct udevice *bus = pcie->bus;
+ u32 busdev;
- if (ls_pcie_addr_valid(hose, d)) {
- *val = 0xffffffff;
- return 0;
- }
+ if (PCI_BUS(bdf) == bus->seq)
+ return pcie->dbi + offset;
+
+ busdev = PCIE_ATU_BUS(PCI_BUS(bdf)) |
+ PCIE_ATU_DEV(PCI_DEV(bdf)) |
+ PCIE_ATU_FUNC(PCI_FUNC(bdf));
- if (PCI_BUS(d) == hose->first_busno) {
- addr = pcie->dbi + (where & ~0x3);
+ if (PCI_BUS(bdf) == bus->seq + 1) {
+ ls_pcie_cfg0_set_busdev(pcie, busdev);
+ return pcie->cfg0 + offset;
} else {
- busdev = PCIE_ATU_BUS(PCI_BUS(d)) |
- PCIE_ATU_DEV(PCI_DEV(d)) |
- PCIE_ATU_FUNC(PCI_FUNC(d));
-
- if (PCI_BUS(d) == hose->first_busno + 1) {
- ls_pcie_cfg0_set_busdev(pcie, busdev);
- addr = pcie->va_cfg0 + (where & ~0x3);
- } else {
- ls_pcie_cfg1_set_busdev(pcie, busdev);
- addr = pcie->va_cfg1 + (where & ~0x3);
- }
+ ls_pcie_cfg1_set_busdev(pcie, busdev);
+ return pcie->cfg1 + offset;
}
+}
- *val = readl(addr);
+static int ls_pcie_read_config(struct udevice *bus, pci_dev_t bdf,
+ uint offset, ulong *valuep,
+ enum pci_size_t size)
+{
+ struct ls_pcie *pcie = dev_get_priv(bus);
+ void *address;
- return 0;
+ if (ls_pcie_addr_valid(pcie, bdf)) {
+ *valuep = pci_get_ff(size);
+ return 0;
+ }
+
+ address = ls_pcie_conf_address(pcie, bdf, offset);
+
+ switch (size) {
+ case PCI_SIZE_8:
+ *valuep = readb(address);
+ return 0;
+ case PCI_SIZE_16:
+ *valuep = readw(address);
+ return 0;
+ case PCI_SIZE_32:
+ *valuep = readl(address);
+ return 0;
+ default:
+ return -EINVAL;
+ }
}
-static int ls_pcie_write_config(struct pci_controller *hose, pci_dev_t d,
- int where, u32 val)
+static int ls_pcie_write_config(struct udevice *bus, pci_dev_t bdf,
+ uint offset, ulong value,
+ enum pci_size_t size)
{
- struct ls_pcie *pcie = hose->priv_data;
- u32 busdev, *addr;
+ struct ls_pcie *pcie = dev_get_priv(bus);
+ void *address;
- if (ls_pcie_addr_valid(hose, d))
- return -EINVAL;
+ if (ls_pcie_addr_valid(pcie, bdf))
+ return 0;
- if (PCI_BUS(d) == hose->first_busno) {
- addr = pcie->dbi + (where & ~0x3);
- } else {
- busdev = PCIE_ATU_BUS(PCI_BUS(d)) |
- PCIE_ATU_DEV(PCI_DEV(d)) |
- PCIE_ATU_FUNC(PCI_FUNC(d));
-
- if (PCI_BUS(d) == hose->first_busno + 1) {
- ls_pcie_cfg0_set_busdev(pcie, busdev);
- addr = pcie->va_cfg0 + (where & ~0x3);
- } else {
- ls_pcie_cfg1_set_busdev(pcie, busdev);
- addr = pcie->va_cfg1 + (where & ~0x3);
- }
+ address = ls_pcie_conf_address(pcie, bdf, offset);
+
+ switch (size) {
+ case PCI_SIZE_8:
+ writeb(value, address);
+ return 0;
+ case PCI_SIZE_16:
+ writew(value, address);
+ return 0;
+ case PCI_SIZE_32:
+ writel(value, address);
+ return 0;
+ default:
+ return -EINVAL;
}
+}
- writel(val, addr);
+/* Clear multi-function bit */
+static void ls_pcie_clear_multifunction(struct ls_pcie *pcie)
+{
+ writeb(PCI_HEADER_TYPE_BRIDGE, pcie->dbi + PCI_HEADER_TYPE);
+}
- return 0;
+/* Fix class value */
+static void ls_pcie_fix_class(struct ls_pcie *pcie)
+{
+ writew(PCI_CLASS_BRIDGE_PCI, pcie->dbi + PCI_CLASS_DEVICE);
}
-static void ls_pcie_setup_ctrl(struct ls_pcie *pcie,
- struct ls_pcie_info *info)
+/* Drop MSG TLP except for Vendor MSG */
+static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie)
{
- struct pci_controller *hose = &pcie->hose;
- pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
+ u32 val;
- ls_pcie_setup_atu(pcie, info);
+ val = dbi_readl(pcie, PCIE_STRFMR1);
+ val &= 0xDFFFFFFF;
+ dbi_writel(pcie, val, PCIE_STRFMR1);
+}
- pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0);
+/* Disable all bars in RC mode */
+static void ls_pcie_disable_bars(struct ls_pcie *pcie)
+{
+ u32 sriov;
- /* program correct class for RC */
- writel(1, pcie->dbi + PCIE_DBI_RO_WR_EN);
- pci_hose_write_config_word(hose, dev, PCI_CLASS_DEVICE,
- PCI_CLASS_BRIDGE_PCI);
-#ifndef CONFIG_LS102XA
- writel(0, pcie->dbi + PCIE_DBI_RO_WR_EN);
-#endif
+ sriov = in_le32(pcie->dbi + PCIE_SRIOV);
+
+ if (PCI_EXT_CAP_ID(sriov) == PCI_EXT_CAP_ID_SRIOV)
+ return;
+
+ dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_0);
+ dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_1);
+ dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1);
}
-static void ls_pcie_ep_setup_atu(struct ls_pcie *pcie,
- struct ls_pcie_info *info)
+static void ls_pcie_setup_ctrl(struct ls_pcie *pcie)
+{
+ ls_pcie_setup_atu(pcie);
+
+ dbi_writel(pcie, 1, PCIE_DBI_RO_WR_EN);
+ ls_pcie_fix_class(pcie);
+ ls_pcie_clear_multifunction(pcie);
+ ls_pcie_drop_msg_tlp(pcie);
+ dbi_writel(pcie, 0, PCIE_DBI_RO_WR_EN);
+
+ ls_pcie_disable_bars(pcie);
+}
+
+static void ls_pcie_ep_setup_atu(struct ls_pcie *pcie)
{
u64 phys = CONFIG_SYS_PCI_EP_MEMORY_BASE;
/* ATU 0 : INBOUND : map BAR0 */
- ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX0, 0, phys);
+ ls_pcie_atu_inbound_set(pcie, 0, 0, phys);
/* ATU 1 : INBOUND : map BAR1 */
phys += PCIE_BAR1_SIZE;
- ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX1, 1, phys);
+ ls_pcie_atu_inbound_set(pcie, 1, 1, phys);
/* ATU 2 : INBOUND : map BAR2 */
phys += PCIE_BAR2_SIZE;
- ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX2, 2, phys);
+ ls_pcie_atu_inbound_set(pcie, 2, 2, phys);
/* ATU 3 : INBOUND : map BAR4 */
phys = CONFIG_SYS_PCI_EP_MEMORY_BASE + PCIE_BAR4_SIZE;
- ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX3, 4, phys);
-
- /* ATU 0 : OUTBOUND : map 4G MEM */
- ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0,
- PCIE_ATU_TYPE_MEM,
- info->phys_base,
- 0,
- 4 * 1024 * 1024 * 1024ULL);
+ ls_pcie_atu_inbound_set(pcie, 3, 4, phys);
+
+ /* ATU 0 : OUTBOUND : map MEM */
+ ls_pcie_atu_outbound_set(pcie, 0,
+ PCIE_ATU_TYPE_MEM,
+ pcie->cfg_res.start,
+ 0,
+ CONFIG_SYS_PCI_MEMORY_SIZE);
}
/* BAR0 and BAR1 are 32bit BAR2 and BAR4 are 64bit */
@@ -451,35 +531,28 @@ static void ls_pcie_ep_setup_bars(void *bar_base)
ls_pcie_ep_setup_bar(bar_base, 4, PCIE_BAR4_SIZE);
}
-static void ls_pcie_setup_ep(struct ls_pcie *pcie, struct ls_pcie_info *info)
+static void ls_pcie_setup_ep(struct ls_pcie *pcie)
{
- struct pci_controller *hose = &pcie->hose;
- pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
- int sriov;
+ u32 sriov;
- sriov = pci_hose_find_ext_capability(hose, dev, PCI_EXT_CAP_ID_SRIOV);
- if (sriov) {
+ sriov = readl(pcie->dbi + PCIE_SRIOV);
+ if (PCI_EXT_CAP_ID(sriov) == PCI_EXT_CAP_ID_SRIOV) {
int pf, vf;
for (pf = 0; pf < PCIE_PF_NUM; pf++) {
for (vf = 0; vf <= PCIE_VF_NUM; vf++) {
-#ifndef CONFIG_LS102XA
- writel(PCIE_LCTRL0_VAL(pf, vf),
- pcie->dbi + PCIE_LUT_BASE +
- PCIE_LUT_LCTRL0);
-#endif
+ ctrl_writel(pcie, PCIE_LCTRL0_VAL(pf, vf),
+ PCIE_PF_VF_CTRL);
+
ls_pcie_ep_setup_bars(pcie->dbi);
- ls_pcie_ep_setup_atu(pcie, info);
+ ls_pcie_ep_setup_atu(pcie);
}
}
-
/* Disable CFG2 */
-#ifndef CONFIG_LS102XA
- writel(0, pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_LCTRL0);
-#endif
+ ctrl_writel(pcie, 0, PCIE_PF_VF_CTRL);
} else {
ls_pcie_ep_setup_bars(pcie->dbi + PCIE_NO_SRIOV_BAR_BASE);
- ls_pcie_ep_setup_atu(pcie, info);
+ ls_pcie_ep_setup_atu(pcie);
}
}
@@ -499,15 +572,11 @@ static int ls_pcie_next_lut_index(struct ls_pcie *pcie)
* Program a single LUT entry
*/
static void ls_pcie_lut_set_mapping(struct ls_pcie *pcie, int index, u32 devid,
- u32 streamid)
+ u32 streamid)
{
- void __iomem *lut;
-
- lut = pcie->dbi + PCIE_LUT_BASE;
-
/* leave mask as all zeroes, want to match all bits */
- writel((devid << 16), lut + PCIE_LUT_UDR(index));
- writel(streamid | PCIE_LUT_ENABLE, lut + PCIE_LUT_LDR(index));
+ lut_writel(pcie, devid << 16, PCIE_LUT_UDR(index));
+ lut_writel(pcie, streamid | PCIE_LUT_ENABLE, PCIE_LUT_LDR(index));
}
/* returns the next available streamid */
@@ -532,26 +601,30 @@ static u32 ls_pcie_next_streamid(void)
static void fdt_pcie_set_msi_map_entry(void *blob, struct ls_pcie *pcie,
u32 devid, u32 streamid)
{
- char pcie_path[19];
u32 *prop;
u32 phandle;
int nodeoffset;
/* find pci controller node */
- snprintf(pcie_path, sizeof(pcie_path), "/soc/pcie@%llx",
- (u64)pcie->dbi);
- nodeoffset = fdt_path_offset(blob, pcie_path);
+ nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",
+ pcie->dbi_res.start);
if (nodeoffset < 0) {
- printf("\n%s: ERROR: unable to update PCIe node: %s\n",
- __func__, pcie_path);
+ #ifdef FSL_PCIE_COMPAT /* Compatible with older version of dts node */
+ nodeoffset = fdt_node_offset_by_compat_reg(blob,
+ FSL_PCIE_COMPAT,
+ pcie->dbi_res.start);
+ if (nodeoffset < 0)
+ return;
+ #else
return;
+ #endif
}
/* get phandle to MSI controller */
prop = (u32 *)fdt_getprop(blob, nodeoffset, "msi-parent", 0);
if (prop == NULL) {
- printf("\n%s: ERROR: missing msi-parent: %s\n", __func__,
- pcie_path);
+ printf("\n%s: ERROR: missing msi-parent: PCIe%d\n",
+ __func__, pcie->idx);
return;
}
phandle = be32_to_cpu(*prop);
@@ -565,252 +638,201 @@ static void fdt_pcie_set_msi_map_entry(void *blob,
struct ls_pcie *pcie,
static void fdt_fixup_pcie(void *blob)
{
- unsigned int found_multi = 0;
- unsigned char header_type;
- int index;
- u32 streamid;
- pci_dev_t dev, bdf;
- int bus;
- unsigned short id;
- struct pci_controller *hose;
+ struct udevice *dev, *bus;
struct ls_pcie *pcie;
- int i;
-
- for (i = 0, hose = pci_get_hose_head(); hose; hose = hose->next, i++) {
- pcie = hose->priv_data;
- for (bus = hose->first_busno; bus <= hose->last_busno; bus++) {
-
- for (dev = PCI_BDF(bus, 0, 0);
- dev < PCI_BDF(bus, PCI_MAX_PCI_DEVICES - 1,
- PCI_MAX_PCI_FUNCTIONS - 1);
- dev += PCI_BDF(0, 0, 1)) {
-
- if (PCI_FUNC(dev) && !found_multi)
- continue;
-
- pci_read_config_word(dev, PCI_VENDOR_ID, &id);
-
- pci_read_config_byte(dev, PCI_HEADER_TYPE,
- &header_type);
-
- if ((id == 0xFFFF) || (id == 0x0000))
- continue;
-
- if (!PCI_FUNC(dev))
- found_multi = header_type & 0x80;
-
- streamid = ls_pcie_next_streamid();
- if (streamid == 0xffffffff) {
- printf("ERROR: no stream ids free\n");
- continue;
- }
-
- index = ls_pcie_next_lut_index(pcie);
- if (index < 0) {
- printf("ERROR: no LUT indexes free\n");
- continue;
- }
-
- /* the DT fixup must be relative to the hose
first_busno */
- bdf = dev - PCI_BDF(hose->first_busno, 0, 0);
-
- /* map PCI b.d.f to streamID in LUT */
- ls_pcie_lut_set_mapping(pcie, index, bdf >> 8,
- streamid);
+ u32 streamid;
+ int index;
+ pci_dev_t bdf;
+
+ /* Scan all known buses */
+ for (pci_find_first_device(&dev);
+ dev;
+ pci_find_next_device(&dev)) {
+ for (bus = dev; device_is_on_pci_bus(bus);)
+ bus = bus->parent;
+ pcie = dev_get_priv(bus);
+
+ streamid = ls_pcie_next_streamid();
+ if (streamid == 0xffffffff) {
+ printf("ERROR: no stream ids free\n");
+ continue;
+ }
- /* update msi-map in device tree */
- fdt_pcie_set_msi_map_entry(blob, pcie, bdf >> 8,
- streamid);
- }
+ index = ls_pcie_next_lut_index(pcie);
+ if (index < 0) {
+ printf("ERROR: no LUT indexes free\n");
+ continue;
}
+
+ /* the DT fixup must be relative to the hose first_busno */
+ bdf = dm_pci_get_bdf(dev) - PCI_BDF(bus->seq, 0, 0);
+ /* map PCI b.d.f to streamID in LUT */
+ ls_pcie_lut_set_mapping(pcie, index, bdf >> 8,
+ streamid);
+ /* update msi-map in device tree */
+ fdt_pcie_set_msi_map_entry(blob, pcie, bdf >> 8,
+ streamid);
}
}
#endif
-int ls_pcie_init_ctrl(int busno, enum srds_prtcl dev, struct ls_pcie_info
*info)
+#ifdef CONFIG_OF_BOARD_SETUP
+#include <libfdt.h>
+#include <fdt_support.h>
+
+static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
{
- struct ls_pcie *pcie;
- struct pci_controller *hose;
- int num = dev - PCIE1;
- pci_dev_t pdev = PCI_BDF(busno, 0, 0);
- int i, linkup, ep_mode;
- u8 header_type;
- u16 temp16;
+ int off;
- if (!is_serdes_configured(dev)) {
- printf("PCIe%d: disabled\n", num + 1);
- return busno;
+ off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",
+ pcie->dbi_res.start);
+ if (off < 0) {
+ #ifdef FSL_PCIE_COMPAT /* Compatible with older version of dts node */
+ off = fdt_node_offset_by_compat_reg(blob,
+ FSL_PCIE_COMPAT,
+ pcie->dbi_res.start);
+ if (off < 0)
+ return;
+ #else
+ return;
+ #endif
}
- pcie = malloc(sizeof(*pcie));
- if (!pcie)
- return busno;
- memset(pcie, 0, sizeof(*pcie));
-
- hose = &pcie->hose;
- hose->priv_data = pcie;
- hose->first_busno = busno;
- pcie->idx = num;
- pcie->dbi = map_physmem(info->regs, PCIE_DBI_SIZE, MAP_NOCACHE);
- pcie->va_cfg0 = map_physmem(info->cfg0_phys,
- info->cfg0_size,
- MAP_NOCACHE);
- pcie->va_cfg1 = map_physmem(info->cfg1_phys,
- info->cfg1_size,
- MAP_NOCACHE);
- pcie->next_lut_index = 0;
-
- /* outbound memory */
- pci_set_region(&hose->regions[0],
- (pci_size_t)info->mem_bus,
- (phys_size_t)info->mem_phys,
- (pci_size_t)info->mem_size,
- PCI_REGION_MEM);
-
- /* outbound io */
- pci_set_region(&hose->regions[1],
- (pci_size_t)info->io_bus,
- (phys_size_t)info->io_phys,
- (pci_size_t)info->io_size,
- PCI_REGION_IO);
-
- /* System memory space */
- pci_set_region(&hose->regions[2],
- CONFIG_SYS_PCI_MEMORY_BUS,
- CONFIG_SYS_PCI_MEMORY_PHYS,
- CONFIG_SYS_PCI_MEMORY_SIZE,
- PCI_REGION_SYS_MEMORY);
-
- hose->region_count = 3;
-
- for (i = 0; i < hose->region_count; i++)
- debug("PCI reg:%d %016llx:%016llx %016llx %08lx\n",
- i,
- (u64)hose->regions[i].phys_start,
- (u64)hose->regions[i].bus_start,
- (u64)hose->regions[i].size,
- hose->regions[i].flags);
-
- pci_set_ops(hose,
- pci_hose_read_config_byte_via_dword,
- pci_hose_read_config_word_via_dword,
- ls_pcie_read_config,
- pci_hose_write_config_byte_via_dword,
- pci_hose_write_config_word_via_dword,
- ls_pcie_write_config);
-
- pci_hose_read_config_byte(hose, pdev, PCI_HEADER_TYPE, &header_type);
- ep_mode = (header_type & 0x7f) == PCI_HEADER_TYPE_NORMAL;
- printf("PCIe%u: %s ", info->pci_num,
- ep_mode ? "Endpoint" : "Root Complex");
-
- if (ep_mode)
- ls_pcie_setup_ep(pcie, info);
+ if (pcie->enabled)
+ fdt_set_node_status(blob, off, FDT_STATUS_OKAY, 0);
else
- ls_pcie_setup_ctrl(pcie, info);
-
- linkup = ls_pcie_link_up(pcie);
-
- if (!linkup) {
- /* Let the user know there's no PCIe link */
- printf("no link, regs @ 0x%lx\n", info->regs);
- hose->last_busno = hose->first_busno;
- return busno;
- }
-
- /* Print the negotiated PCIe link width */
- pci_hose_read_config_word(hose, pdev, PCIE_LINK_STA, &temp16);
- printf("x%d gen%d, regs @ 0x%lx\n", (temp16 & 0x3f0) >> 4,
- (temp16 & 0xf), info->regs);
-
- if (ep_mode)
- return busno;
+ fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
+}
- pci_register_hose(hose);
+void ft_pci_setup(void *blob, bd_t *bd)
+{
+ struct ls_pcie *pcie;
- hose->last_busno = pci_hose_scan(hose);
+ list_for_each_entry(pcie, &ls_pcie_list, list)
+ ft_pcie_ls_setup(blob, pcie);
- printf("PCIe%x: Bus %02x - %02x\n",
- info->pci_num, hose->first_busno, hose->last_busno);
+ #ifdef CONFIG_FSL_LSCH3
+ fdt_fixup_pcie(blob);
+ #endif
+}
- return hose->last_busno + 1;
+#else
+void ft_pci_setup(void *blob, bd_t *bd)
+{
}
+#endif
-int ls_pcie_init_board(int busno)
+static int ls_pcie_probe(struct udevice *dev)
{
- struct ls_pcie_info info;
+ struct ls_pcie *pcie = dev_get_priv(dev);
+ void *fdt = (void *)gd->fdt_blob;
+ int node = dev->of_offset;
+ u8 header_type;
+ u16 link_sta;
+ bool ep_mode;
+ int ret;
-#ifdef CONFIG_PCIE1
- SET_LS_PCIE_INFO(info, 1);
- busno = ls_pcie_init_ctrl(busno, PCIE1, &info);
-#endif
+ pcie->bus = dev;
-#ifdef CONFIG_PCIE2
- SET_LS_PCIE_INFO(info, 2);
- busno = ls_pcie_init_ctrl(busno, PCIE2, &info);
-#endif
+ ret = fdt_get_named_resource(fdt, node, "reg", "reg-names",
+ "dbi", &pcie->dbi_res);
+ if (ret) {
+ printf("ls-pcie: resource \"dbi\" not found\n");
+ return ret;
+ }
-#ifdef CONFIG_PCIE3
- SET_LS_PCIE_INFO(info, 3);
- busno = ls_pcie_init_ctrl(busno, PCIE3, &info);
-#endif
+ pcie->idx = (pcie->dbi_res.start - PCIE_SYS_BASE_ADDR) / PCIE_CCSR_SIZE;
-#ifdef CONFIG_PCIE4
- SET_LS_PCIE_INFO(info, 4);
- busno = ls_pcie_init_ctrl(busno, PCIE4, &info);
-#endif
+ list_add(&pcie->list, &ls_pcie_list);
- return busno;
-}
+ pcie->enabled = is_serdes_configured(PCIE_SRDS_PRTCL(pcie->idx));
+ if (!pcie->enabled) {
+ printf("PCIe%d: %s disabled\n", pcie->idx, dev->name);
+ return 0;
+ }
-void pci_init_board(void)
-{
- ls_pcie_init_board(0);
-}
+ pcie->dbi = map_physmem(pcie->dbi_res.start,
+ fdt_resource_size(&pcie->dbi_res),
+ MAP_NOCACHE);
+
+ ret = fdt_get_named_resource(fdt, node, "reg", "reg-names",
+ "lut", &pcie->lut_res);
+ if (!ret)
+ pcie->lut = map_physmem(pcie->lut_res.start,
+ fdt_resource_size(&pcie->lut_res),
+ MAP_NOCACHE);
+
+ ret = fdt_get_named_resource(fdt, node, "reg", "reg-names",
+ "ctrl", &pcie->ctrl_res);
+ if (!ret)
+ pcie->ctrl = map_physmem(pcie->ctrl_res.start,
+ fdt_resource_size(&pcie->ctrl_res),
+ MAP_NOCACHE);
+ if (!pcie->ctrl)
+ pcie->ctrl = pcie->lut;
+
+ if (!pcie->ctrl) {
+ printf("%s: NOT find CTRL\n", dev->name);
+ return 0;
+ }
-#ifdef CONFIG_OF_BOARD_SETUP
-#include <libfdt.h>
-#include <fdt_support.h>
+ ret = fdt_get_named_resource(fdt, node, "reg", "reg-names",
+ "config", &pcie->cfg_res);
+ if (ret) {
+ printf("%s: resource \"config\" not found\n", dev->name);
+ return 0;
+ }
-static void ft_pcie_ls_setup(void *blob, const char *pci_compat,
- unsigned long ctrl_addr, enum srds_prtcl dev)
-{
- int off;
+ pcie->cfg0 = map_physmem(pcie->cfg_res.start,
+ fdt_resource_size(&pcie->cfg_res),
+ MAP_NOCACHE);
+ pcie->cfg1 = pcie->cfg0 + fdt_resource_size(&pcie->cfg_res) / 2;
- off = fdt_node_offset_by_compat_reg(blob, pci_compat,
- (phys_addr_t)ctrl_addr);
- if (off < 0)
- return;
+ pcie->big_endian = fdtdec_get_bool(fdt, node, "big-endian");
- if (!is_serdes_configured(dev))
- fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
-}
+ debug("%s dbi:%lx lut:%lx ctrl:0x%lx cfg0:0x%lx, big-endian:%d\n",
+ dev->name, (unsigned long)pcie->dbi, (unsigned long)pcie->lut,
+ (unsigned long)pcie->ctrl, (unsigned long)pcie->cfg0,
+ pcie->big_endian);
-void ft_pci_setup(void *blob, bd_t *bd)
-{
- #ifdef CONFIG_PCIE1
- ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE1_ADDR, PCIE1);
- #endif
+ header_type = readb(pcie->dbi + PCI_HEADER_TYPE);
+ ep_mode = (header_type & 0x7f) == PCI_HEADER_TYPE_NORMAL;
+ printf("PCIe%u: %s %s", pcie->idx, dev->name,
+ ep_mode ? "Endpoint" : "Root Complex");
- #ifdef CONFIG_PCIE2
- ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE2_ADDR, PCIE2);
- #endif
+ if (ep_mode)
+ ls_pcie_setup_ep(pcie);
+ else
+ ls_pcie_setup_ctrl(pcie);
- #ifdef CONFIG_PCIE3
- ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE3_ADDR, PCIE3);
- #endif
+ if (!ls_pcie_link_up(pcie)) {
+ /* Let the user know there's no PCIe link */
+ printf(": no link\n");
+ return 0;
+ }
- #ifdef CONFIG_PCIE4
- ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE4_ADDR, PCIE4);
- #endif
+ /* Print the negotiated PCIe link width */
+ link_sta = readw(pcie->dbi + PCIE_LINK_STA);
+ printf(": x%d gen%d\n", (link_sta & 0x3f0) >> 4, link_sta & 0xf);
- #ifdef CONFIG_FSL_LSCH3
- fdt_fixup_pcie(blob);
- #endif
+ return 0;
}
-#else
-void ft_pci_setup(void *blob, bd_t *bd)
-{
-}
-#endif
+static const struct dm_pci_ops ls_pcie_ops = {
+ .read_config = ls_pcie_read_config,
+ .write_config = ls_pcie_write_config,
+};
+
+static const struct udevice_id ls_pcie_ids[] = {
+ { .compatible = "fsl,ls-pcie" },
+ { }
+};
+
+U_BOOT_DRIVER(pci_layerscape) = {
+ .name = "pci_layerscape",
+ .id = UCLASS_PCI,
+ .of_match = ls_pcie_ids,
+ .ops = &ls_pcie_ops,
+ .probe = ls_pcie_probe,
+ .priv_auto_alloc_size = sizeof(struct ls_pcie),
+};
diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h
index 5fb6c47..d9471c5 100644
--- a/include/configs/ls1012a_common.h
+++ b/include/configs/ls1012a_common.h
@@ -90,6 +90,18 @@
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+/* PCIe */
+#define CONFIG_PCI /* Enable PCI/PCIE */
+#define CONFIG_DM_PCI /* Enable driver mode for PCI */
+#define CONFIG_DM_PCI_COMPAT
+#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
+#define CONFIG_SYS_PCI_64BIT
+
+#define CONFIG_NET_MULTI
+#define CONFIG_PCI_PNP
+#define CONFIG_PCI_SCAN_SHOW
+#define CONFIG_CMD_PCI
+
/* Command line configuration */
#define CONFIG_CMD_ENV
#undef CONFIG_CMD_IMLS
diff --git a/include/configs/ls1012aqds.h b/include/configs/ls1012aqds.h
index 54abf30..4238ccd 100644
--- a/include/configs/ls1012aqds.h
+++ b/include/configs/ls1012aqds.h
@@ -154,30 +154,6 @@
#define CONFIG_SYS_SCSI_MAX_LUN 1
#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
CONFIG_SYS_SCSI_MAX_LUN)
-#define CONFIG_PCI /* Enable PCI/PCIE */
-#define CONFIG_PCIE1 /* PCIE controller 1 */
-#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
-#define FSL_PCIE_COMPAT "fsl,ls1043a-pcie"
-
-#define CONFIG_SYS_PCI_64BIT
-
-#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000
-#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */
-#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000
-#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */
-
-#define CONFIG_SYS_PCIE_IO_BUS 0x00000000
-#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000
-#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */
-
-#define CONFIG_SYS_PCIE_MEM_BUS 0x08000000
-#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x04000000
-#define CONFIG_SYS_PCIE_MEM_SIZE 0x80000000 /* 128M */
-
-#define CONFIG_NET_MULTI
-#define CONFIG_PCI_PNP
-#define CONFIG_PCI_SCAN_SHOW
-#define CONFIG_CMD_PCI
#define CONFIG_CMD_MEMINFO
#define CONFIG_CMD_MEMTEST
diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h
index 0c13dde..6d0d308 100644
--- a/include/configs/ls1012ardb.h
+++ b/include/configs/ls1012ardb.h
@@ -67,30 +67,6 @@
#define CONFIG_SYS_SCSI_MAX_LUN 1
#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
CONFIG_SYS_SCSI_MAX_LUN)
-#define CONFIG_PCI /* Enable PCI/PCIE */
-#define CONFIG_PCIE1 /* PCIE controller 1 */
-#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
-#define FSL_PCIE_COMPAT "fsl,ls1043a-pcie"
-
-#define CONFIG_SYS_PCI_64BIT
-
-#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000
-#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */
-#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000
-#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */
-
-#define CONFIG_SYS_PCIE_IO_BUS 0x00000000
-#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000
-#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */
-
-#define CONFIG_SYS_PCIE_MEM_BUS 0x08000000
-#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x04000000
-#define CONFIG_SYS_PCIE_MEM_SIZE 0x80000000 /* 128M */
-
-#define CONFIG_NET_MULTI
-#define CONFIG_PCI_PNP
-#define CONFIG_PCI_SCAN_SHOW
-#define CONFIG_CMD_PCI
#define CONFIG_CMD_MEMINFO
#define CONFIG_CMD_MEMTEST
diff --git a/include/configs/ls1021aqds.h b/include/configs/ls1021aqds.h
index 0d72e69..fc2cd1a 100644
--- a/include/configs/ls1021aqds.h
+++ b/include/configs/ls1021aqds.h
@@ -515,26 +515,12 @@ unsigned long get_board_ddr_clk(void);
/* PCIe */
#define CONFIG_PCI /* Enable PCI/PCIE */
-#define CONFIG_PCIE1 /* PCIE controller 1 */
-#define CONFIG_PCIE2 /* PCIE controller 2 */
+#define CONFIG_DM_PCI /* Enable driver mode for PCI */
+#define CONFIG_DM_PCI_COMPAT
#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
#define FSL_PCIE_COMPAT "fsl,ls1021a-pcie"
-
#define CONFIG_SYS_PCI_64BIT
-#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000
-#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */
-#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000
-#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */
-
-#define CONFIG_SYS_PCIE_IO_BUS 0x00000000
-#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000
-#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */
-
-#define CONFIG_SYS_PCIE_MEM_BUS 0x08000000
-#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x04000000
-#define CONFIG_SYS_PCIE_MEM_SIZE 0x08000000 /* 128M */
-
#ifdef CONFIG_PCI
#define CONFIG_PCI_PNP
#define CONFIG_PCI_SCAN_SHOW
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index e5ac50e..db792a0 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -387,26 +387,12 @@
/* PCIe */
#define CONFIG_PCI /* Enable PCI/PCIE */
-#define CONFIG_PCIE1 /* PCIE controller 1 */
-#define CONFIG_PCIE2 /* PCIE controller 2 */
+#define CONFIG_DM_PCI /* Enable driver mode for PCI */
+#define CONFIG_DM_PCI_COMPAT
#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
#define FSL_PCIE_COMPAT "fsl,ls1021a-pcie"
-
#define CONFIG_SYS_PCI_64BIT
-#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000
-#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */
-#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000
-#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */
-
-#define CONFIG_SYS_PCIE_IO_BUS 0x00000000
-#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000
-#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */
-
-#define CONFIG_SYS_PCIE_MEM_BUS 0x08000000
-#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x04000000
-#define CONFIG_SYS_PCIE_MEM_SIZE 0x08000000 /* 128M */
-
#ifdef CONFIG_PCI
#define CONFIG_PCI_PNP
#define CONFIG_PCI_SCAN_SHOW
diff --git a/include/configs/ls1043a_common.h b/include/configs/ls1043a_common.h
index ed0e434..c195b07 100644
--- a/include/configs/ls1043a_common.h
+++ b/include/configs/ls1043a_common.h
@@ -126,33 +126,18 @@
/* PCIe */
#define CONFIG_PCI /* Enable PCI/PCIE */
-#define CONFIG_PCIE1 /* PCIE controller 1 */
-#define CONFIG_PCIE2 /* PCIE controller 2 */
-#define CONFIG_PCIE3 /* PCIE controller 3 */
+#define CONFIG_DM_PCI /* Enable driver mode for PCI */
+#define CONFIG_DM_PCI_COMPAT
#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
#define FSL_PCIE_COMPAT "fsl,ls1043a-pcie"
-
#define CONFIG_SYS_PCI_64BIT
-#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000
-#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */
-#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000
-#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */
-
-#define CONFIG_SYS_PCIE_IO_BUS 0x00000000
-#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000
-#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */
-
-#define CONFIG_SYS_PCIE_MEM_BUS 0x40000000
-#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x40000000
-#define CONFIG_SYS_PCIE_MEM_SIZE 0x40000000 /* 1G */
-
#ifdef CONFIG_PCI
-#define CONFIG_NET_MULTI
#define CONFIG_PCI_PNP
-#define CONFIG_E1000
#define CONFIG_PCI_SCAN_SHOW
#define CONFIG_CMD_PCI
+#define CONFIG_NET_MULTI
+#define CONFIG_E1000
#endif
/* Command line configuration */
diff --git a/include/configs/ls2080a_common.h b/include/configs/ls2080a_common.h
index 42d0298..a6c8f9f 100644
--- a/include/configs/ls2080a_common.h
+++ b/include/configs/ls2080a_common.h
@@ -176,29 +176,18 @@ unsigned long long get_qixis_addr(void);
#endif
/* PCIe */
-#define CONFIG_PCIE1 /* PCIE controller 1 */
-#define CONFIG_PCIE2 /* PCIE controller 2 */
-#define CONFIG_PCIE3 /* PCIE controller 3 */
-#define CONFIG_PCIE4 /* PCIE controller 4 */
+#define CONFIG_PCI /* Enable PCIE */
+#define CONFIG_DM_PCI /* Enable driver mode for PCI */
+#define CONFIG_DM_PCI_COMPAT
#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
-#ifdef CONFIG_LS2080A
#define FSL_PCIE_COMPAT "fsl,ls2080a-pcie"
-#endif
-
#define CONFIG_SYS_PCI_64BIT
-#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000
-#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */
-#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000
-#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */
-
-#define CONFIG_SYS_PCIE_IO_BUS 0x00000000
-#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000
-#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */
-
-#define CONFIG_SYS_PCIE_MEM_BUS 0x40000000
-#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x40000000
-#define CONFIG_SYS_PCIE_MEM_SIZE 0x40000000 /* 1G */
+#ifdef CONFIG_PCI
+#define CONFIG_PCI_PNP
+#define CONFIG_PCI_SCAN_SHOW
+#define CONFIG_CMD_PCI
+#endif
/* Command line configuration */
#define CONFIG_CMD_ENV
diff --git a/include/configs/ls2080aqds.h b/include/configs/ls2080aqds.h
index 5e36ca7..9af6d7e 100644
--- a/include/configs/ls2080aqds.h
+++ b/include/configs/ls2080aqds.h
@@ -349,14 +349,6 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
#define CONFIG_FSL_MEMAC
-#define CONFIG_PCI /* Enable PCIE */
-#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
-
-#ifdef CONFIG_PCI
-#define CONFIG_PCI_PNP
-#define CONFIG_PCI_SCAN_SHOW
-#define CONFIG_CMD_PCI
-#endif
/* MMC */
#define CONFIG_MMC
diff --git a/include/configs/ls2080ardb.h b/include/configs/ls2080ardb.h
index b93e919..8df3042 100644
--- a/include/configs/ls2080ardb.h
+++ b/include/configs/ls2080ardb.h
@@ -292,14 +292,6 @@ unsigned long get_board_sys_clk(void);
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
#define CONFIG_FSL_MEMAC
-#define CONFIG_PCI /* Enable PCIE */
-#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */
-
-#ifdef CONFIG_PCI
-#define CONFIG_PCI_PNP
-#define CONFIG_PCI_SCAN_SHOW
-#define CONFIG_CMD_PCI
-#endif
/* MMC */
#define CONFIG_MMC
--
1.9.1
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