[U-Boot] [PATCHv3 15/15] pci: layerscape: remove unnecessary legacy code

Zhiqiang Hou Zhiqiang.Hou at nxp.com
Wed Nov 16 10:48:17 CET 2016


From: Minghuan Lian <Minghuan.Lian at nxp.com>

All Layerscape SoCs have supported new PCIe driver based on DM.
The lagecy PCIe driver code is unused and can be removed.

Signed-off-by: Minghuan Lian <Minghuan.Lian at nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
---
V3:
 - No change

 drivers/pci/pcie_layerscape.c | 733 ------------------------------------------
 1 file changed, 733 deletions(-)

diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
index f107d1c..31a485e 100644
--- a/drivers/pci/pcie_layerscape.c
+++ b/drivers/pci/pcie_layerscape.c
@@ -95,737 +95,6 @@ DECLARE_GLOBAL_DATA_PTR;
 #define PCIE_BAR2_SIZE		(4 * 1024) /* 4K */
 #define PCIE_BAR4_SIZE		(1 * 1024 * 1024) /* 1M */
 
-#ifndef CONFIG_DM_PCI
-
-struct ls_pcie {
-	int idx;
-	void __iomem *dbi;
-	void __iomem *va_cfg0;
-	void __iomem *va_cfg1;
-	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;
-};
-
-#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;				\
-}
-
-#ifdef CONFIG_LS102XA
-#include <asm/arch/immap_ls102xa.h>
-
-/* PEX1/2 Misc Ports Status Register */
-#define LTSSM_STATE_SHIFT	20
-
-static int ls_pcie_link_state(struct ls_pcie *pcie)
-{
-	u32 state;
-	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
-
-	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;
-	}
-
-	return 1;
-}
-#else
-static int ls_pcie_link_state(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;
-	}
-
-	return 1;
-}
-#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;
-
-	/* 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);
-
-	return 0;
-}
-
-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);
-}
-
-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);
-}
-
-static void ls_pcie_iatu_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);
-}
-
-/* Use bar match mode and MEM type as default */
-static void ls_pcie_iatu_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);
-}
-
-static void ls_pcie_setup_atu(struct ls_pcie *pcie, struct ls_pcie_info *info)
-{
-#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);
-		debug("iATU%d:\n", i);
-		debug("\tLOWER PHYS 0x%08x\n",
-		      readl(pcie->dbi + PCIE_ATU_LOWER_BASE));
-		debug("\tUPPER PHYS 0x%08x\n",
-		      readl(pcie->dbi + PCIE_ATU_UPPER_BASE));
-		debug("\tLOWER BUS  0x%08x\n",
-		      readl(pcie->dbi + PCIE_ATU_LOWER_TARGET));
-		debug("\tUPPER BUS  0x%08x\n",
-		      readl(pcie->dbi + 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));
-		debug("\tCR2        0x%08x\n",
-		      readl(pcie->dbi + PCIE_ATU_CR2));
-	}
-#endif
-}
-
-int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev)
-{
-	/* Do not skip controller */
-	return 0;
-}
-
-static int ls_pcie_addr_valid(struct pci_controller *hose, pci_dev_t d)
-{
-	if (PCI_DEV(d) > 0)
-		return -EINVAL;
-
-	/* Controller does not support multi-function in RC mode */
-	if ((PCI_BUS(d) == hose->first_busno) && (PCI_FUNC(d) > 0))
-		return -EINVAL;
-
-	return 0;
-}
-
-static int ls_pcie_read_config(struct pci_controller *hose, pci_dev_t d,
-			       int where, u32 *val)
-{
-	struct ls_pcie *pcie = hose->priv_data;
-	u32 busdev, *addr;
-
-	if (ls_pcie_addr_valid(hose, d)) {
-		*val = 0xffffffff;
-		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);
-		}
-	}
-
-	*val = readl(addr);
-
-	return 0;
-}
-
-static int ls_pcie_write_config(struct pci_controller *hose, pci_dev_t d,
-				int where, u32 val)
-{
-	struct ls_pcie *pcie = hose->priv_data;
-	u32 busdev, *addr;
-
-	if (ls_pcie_addr_valid(hose, d))
-		return -EINVAL;
-
-	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);
-		}
-	}
-
-	writel(val, addr);
-
-	return 0;
-}
-
-static void ls_pcie_setup_ctrl(struct ls_pcie *pcie,
-			       struct ls_pcie_info *info)
-{
-	struct pci_controller *hose = &pcie->hose;
-	pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
-
-	ls_pcie_setup_atu(pcie, info);
-
-	pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0);
-
-	/* 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
-}
-
-static void ls_pcie_ep_setup_atu(struct ls_pcie *pcie,
-				 struct ls_pcie_info *info)
-{
-	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);
-	/* ATU 1 : INBOUND : map BAR1 */
-	phys += PCIE_BAR1_SIZE;
-	ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX1, 1, phys);
-	/* ATU 2 : INBOUND : map BAR2 */
-	phys += PCIE_BAR2_SIZE;
-	ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX2, 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);
-}
-
-/* BAR0 and BAR1 are 32bit BAR2 and BAR4 are 64bit */
-static void ls_pcie_ep_setup_bar(void *bar_base, int bar, u32 size)
-{
-	if (size < 4 * 1024)
-		return;
-
-	switch (bar) {
-	case 0:
-		writel(size - 1, bar_base + PCI_BASE_ADDRESS_0);
-		break;
-	case 1:
-		writel(size - 1, bar_base + PCI_BASE_ADDRESS_1);
-		break;
-	case 2:
-		writel(size - 1, bar_base + PCI_BASE_ADDRESS_2);
-		writel(0, bar_base + PCI_BASE_ADDRESS_3);
-		break;
-	case 4:
-		writel(size - 1, bar_base + PCI_BASE_ADDRESS_4);
-		writel(0, bar_base + PCI_BASE_ADDRESS_5);
-		break;
-	default:
-		break;
-	}
-}
-
-static void ls_pcie_ep_setup_bars(void *bar_base)
-{
-	/* BAR0 - 32bit - 4K configuration */
-	ls_pcie_ep_setup_bar(bar_base, 0, PCIE_BAR0_SIZE);
-	/* BAR1 - 32bit - 8K MSIX*/
-	ls_pcie_ep_setup_bar(bar_base, 1, PCIE_BAR1_SIZE);
-	/* BAR2 - 64bit - 4K MEM desciptor */
-	ls_pcie_ep_setup_bar(bar_base, 2, PCIE_BAR2_SIZE);
-	/* BAR4 - 64bit - 1M MEM*/
-	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)
-{
-	struct pci_controller *hose = &pcie->hose;
-	pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
-	int sriov;
-
-	sriov = pci_hose_find_ext_capability(hose, dev, PCI_EXT_CAP_ID_SRIOV);
-	if (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
-				ls_pcie_ep_setup_bars(pcie->dbi);
-				ls_pcie_ep_setup_atu(pcie, info);
-			}
-		}
-
-		/* Disable CFG2 */
-#ifndef CONFIG_LS102XA
-		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);
-	}
-}
-
-#ifdef CONFIG_FSL_LSCH3
-/*
- * Return next available LUT index.
- */
-static int ls_pcie_next_lut_index(struct ls_pcie *pcie)
-{
-	if (pcie->next_lut_index < PCIE_LUT_ENTRY_COUNT)
-		return pcie->next_lut_index++;
-	else
-		return -1;  /* LUT is full */
-}
-
-/*
- * Program a single LUT entry
- */
-static void ls_pcie_lut_set_mapping(struct ls_pcie *pcie, int index, u32 devid,
-			     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));
-}
-
-/* returns the next available streamid */
-static u32 ls_pcie_next_streamid(void)
-{
-	static int next_stream_id = FSL_PEX_STREAM_ID_START;
-
-	if (next_stream_id > FSL_PEX_STREAM_ID_END)
-		return 0xffffffff;
-
-	return next_stream_id++;
-}
-
-/*
- * An msi-map is a property to be added to the pci controller
- * node.  It is a table, where each entry consists of 4 fields
- * e.g.:
- *
- *      msi-map = <[devid] [phandle-to-msi-ctrl] [stream-id] [count]
- *                 [devid] [phandle-to-msi-ctrl] [stream-id] [count]>;
- */
-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);
-	if (nodeoffset < 0) {
-		printf("\n%s: ERROR: unable to update PCIe node: %s\n",
-		       __func__, pcie_path);
-		return;
-	}
-
-	/* 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);
-		return;
-	}
-	phandle = be32_to_cpu(*prop);
-
-	/* set one msi-map row */
-	fdt_appendprop_u32(blob, nodeoffset, "msi-map", devid);
-	fdt_appendprop_u32(blob, nodeoffset, "msi-map", phandle);
-	fdt_appendprop_u32(blob, nodeoffset, "msi-map", streamid);
-	fdt_appendprop_u32(blob, nodeoffset, "msi-map", 1);
-}
-
-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 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);
-
-				/* 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)
-{
-	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;
-
-	if (!is_serdes_configured(dev)) {
-		printf("PCIe%d: disabled\n", num + 1);
-		return busno;
-	}
-
-	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);
-	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;
-
-	pci_register_hose(hose);
-
-	hose->last_busno = pci_hose_scan(hose);
-
-	printf("PCIe%x: Bus %02x - %02x\n",
-	       info->pci_num, hose->first_busno, hose->last_busno);
-
-	return hose->last_busno + 1;
-}
-
-int ls_pcie_init_board(int busno)
-{
-	struct ls_pcie_info info;
-
-#ifdef CONFIG_PCIE1
-	SET_LS_PCIE_INFO(info, 1);
-	busno = ls_pcie_init_ctrl(busno, PCIE1, &info);
-#endif
-
-#ifdef CONFIG_PCIE2
-	SET_LS_PCIE_INFO(info, 2);
-	busno = ls_pcie_init_ctrl(busno, PCIE2, &info);
-#endif
-
-#ifdef CONFIG_PCIE3
-	SET_LS_PCIE_INFO(info, 3);
-	busno = ls_pcie_init_ctrl(busno, PCIE3, &info);
-#endif
-
-#ifdef CONFIG_PCIE4
-	SET_LS_PCIE_INFO(info, 4);
-	busno = ls_pcie_init_ctrl(busno, PCIE4, &info);
-#endif
-
-	return busno;
-}
-
-void pci_init_board(void)
-{
-	ls_pcie_init_board(0);
-}
-
-#ifdef CONFIG_OF_BOARD_SETUP
-#include <libfdt.h>
-#include <fdt_support.h>
-
-static void ft_pcie_ls_setup(void *blob, const char *pci_compat,
-			     unsigned long ctrl_addr, enum srds_prtcl dev)
-{
-	int off;
-
-	off = fdt_node_offset_by_compat_reg(blob, pci_compat,
-					    (phys_addr_t)ctrl_addr);
-	if (off < 0)
-		return;
-
-	if (!is_serdes_configured(dev))
-		fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
-}
-
-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
-
-	#ifdef CONFIG_PCIE2
-	ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE2_ADDR, PCIE2);
-	#endif
-
-	#ifdef CONFIG_PCIE3
-	ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE3_ADDR, PCIE3);
-	#endif
-
-	#ifdef CONFIG_PCIE4
-	ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE4_ADDR, PCIE4);
-	#endif
-
-	#ifdef CONFIG_FSL_LSCH3
-	fdt_fixup_pcie(blob);
-	#endif
-}
-
-#else
-void ft_pci_setup(void *blob, bd_t *bd)
-{
-}
-#endif
-
-#else
-
 /* LUT registers */
 #define PCIE_LUT_UDR(n)		(0x800 + (n) * 8)
 #define PCIE_LUT_LDR(n)		(0x804 + (n) * 8)
@@ -1573,5 +842,3 @@ U_BOOT_DRIVER(pci_layerscape) = {
 	.probe	= ls_pcie_probe,
 	.priv_auto_alloc_size = sizeof(struct ls_pcie),
 };
-
-#endif /* CONFIG_DM_PCI */
-- 
2.1.0.27.g96db324



More information about the U-Boot mailing list