[PATCH 28/33] pci: ppc: Drop ftpci100 driver

Simon Glass sjg at chromium.org
Mon Jul 26 15:34:34 CEST 2021


This is not used in U-Boot at present. Drop it and related config options.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 arch/nds32/include/asm/arch-ag102/ag102.h |   2 -
 drivers/pci/Makefile                      |   1 -
 drivers/pci/pci_ftpci100.c                | 319 ----------------------
 scripts/config_whitelist.txt              |   4 -
 4 files changed, 326 deletions(-)
 delete mode 100644 drivers/pci/pci_ftpci100.c

diff --git a/arch/nds32/include/asm/arch-ag102/ag102.h b/arch/nds32/include/asm/arch-ag102/ag102.h
index d1f4b02e10e..3255db6592e 100644
--- a/arch/nds32/include/asm/arch-ag102/ag102.h
+++ b/arch/nds32/include/asm/arch-ag102/ag102.h
@@ -11,8 +11,6 @@
  * Hardware register bases
  */
 
-/* PCI Controller */
-#define CONFIG_FTPCI100_BASE		0x90000000
 /* LPC Controller */
 #define CONFIG_LPC_IO_BASE		0x90100000
 /* LPC Controller */
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 83d7a4e403c..bdfdec98a08 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -19,7 +19,6 @@ obj-$(CONFIG_PCI_GT64120) += pci_gt64120.o
 obj-$(CONFIG_PCI_MPC85XX) += pci_mpc85xx.o
 obj-$(CONFIG_PCI_MSC01) += pci_msc01.o
 obj-$(CONFIG_PCIE_IMX) += pcie_imx.o
-obj-$(CONFIG_FTPCI100) += pci_ftpci100.o
 obj-$(CONFIG_PCI_MVEBU) += pci_mvebu.o
 obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
 obj-$(CONFIG_PCI_RCAR_GEN3) += pci-rcar-gen3.o
diff --git a/drivers/pci/pci_ftpci100.c b/drivers/pci/pci_ftpci100.c
deleted file mode 100644
index 32fac878a67..00000000000
--- a/drivers/pci/pci_ftpci100.c
+++ /dev/null
@@ -1,319 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Faraday FTPCI100 PCI Bridge Controller Device Driver Implementation
- *
- * Copyright (C) 2011 Andes Technology Corporation
- * Gavin Guo, Andes Technology Corporation <gavinguo at andestech.com>
- * Macpaul Lin, Andes Technology Corporation <macpaul at andestech.com>
- */
-#include <common.h>
-#include <init.h>
-#include <log.h>
-#include <malloc.h>
-#include <pci.h>
-
-#include <faraday/ftpci100.h>
-
-#include <asm/io.h>
-#include <asm/types.h> /* u32, u16.... used by pci.h */
-
-struct ftpci100_data {
-	unsigned int reg_base;
-	unsigned int io_base;
-	unsigned int mem_base;
-	unsigned int mmio_base;
-	unsigned int ndevs;
-};
-
-static struct pci_config devs[FTPCI100_MAX_FUNCTIONS];
-static struct pci_controller local_hose;
-
-static void setup_pci_bar(unsigned int bus, unsigned int dev, unsigned func,
-		unsigned char header, struct ftpci100_data *priv)
-{
-	struct pci_controller *hose = (struct pci_controller *)&local_hose;
-	unsigned int i, tmp32, bar_no, iovsmem = 1;
-	pci_dev_t dev_nu;
-
-	/* A device is present, add an entry to the array */
-	devs[priv->ndevs].bus = bus;
-	devs[priv->ndevs].dev = dev;
-	devs[priv->ndevs].func = func;
-
-	dev_nu = PCI_BDF(bus, dev, func);
-
-	if ((header & 0x7f) == 0x01)
-		/* PCI-PCI Bridge */
-		bar_no = 2;
-	else
-		bar_no = 6;
-
-	/* Allocate address spaces by configuring BARs */
-	for (i = 0; i < bar_no; i++) {
-		pci_hose_write_config_dword(hose, dev_nu,
-					PCI_BASE_ADDRESS_0 + i * 4, 0xffffffff);
-		pci_hose_read_config_dword(hose, dev_nu,
-					PCI_BASE_ADDRESS_0 + i * 4, &tmp32);
-
-		if (tmp32 == 0x0)
-			continue;
-
-		/* IO space */
-		if (tmp32 & 0x1) {
-			iovsmem = 0;
-			unsigned int size_mask = ~(tmp32 & 0xfffffffc);
-
-			if (priv->io_base & size_mask)
-				priv->io_base = (priv->io_base & ~size_mask) + \
-						 size_mask + 1;
-
-			devs[priv->ndevs].bar[i].addr = priv->io_base;
-			devs[priv->ndevs].bar[i].size = size_mask + 1;
-
-			pci_hose_write_config_dword(hose, dev_nu,
-					PCI_BASE_ADDRESS_0 + i * 4,
-					priv->io_base);
-
-			debug("Allocated IO address 0x%X-" \
-				"0x%X for Bus %d, Device %d, Function %d\n",
-				priv->io_base,
-				priv->io_base + size_mask, bus, dev, func);
-
-			priv->io_base += size_mask + 1;
-		} else {
-			/* Memory space */
-			unsigned int is_64bit = ((tmp32 & 0x6) == 0x4);
-			unsigned int is_pref = tmp32 & 0x8;
-			unsigned int size_mask = ~(tmp32 & 0xfffffff0);
-			unsigned int alloc_base;
-			unsigned int *addr_mem_base;
-
-			if (is_pref)
-				addr_mem_base = &priv->mem_base;
-			else
-				addr_mem_base = &priv->mmio_base;
-
-			alloc_base = *addr_mem_base;
-
-			if (alloc_base & size_mask)
-				alloc_base = (alloc_base & ~size_mask) \
-						+ size_mask + 1;
-
-			pci_hose_write_config_dword(hose, dev_nu,
-					PCI_BASE_ADDRESS_0 + i * 4, alloc_base);
-
-			debug("Allocated %s address 0x%X-" \
-				"0x%X for Bus %d, Device %d, Function %d\n",
-				is_pref ? "MEM" : "MMIO", alloc_base,
-				alloc_base + size_mask, bus, dev, func);
-
-			devs[priv->ndevs].bar[i].addr = alloc_base;
-			devs[priv->ndevs].bar[i].size = size_mask + 1;
-
-			debug("BAR address  BAR size\n");
-			debug("%010x  %08d\n",
-				devs[priv->ndevs].bar[0].addr,
-				devs[priv->ndevs].bar[0].size);
-
-			alloc_base += size_mask + 1;
-			*addr_mem_base = alloc_base;
-
-			if (is_64bit) {
-				i++;
-				pci_hose_write_config_dword(hose, dev_nu,
-					PCI_BASE_ADDRESS_0 + i * 4, 0x0);
-			}
-		}
-	}
-
-	/* Enable Bus Master, Memory Space, and IO Space */
-	pci_hose_read_config_dword(hose, dev_nu, PCI_CACHE_LINE_SIZE, &tmp32);
-	pci_hose_write_config_dword(hose, dev_nu, PCI_CACHE_LINE_SIZE, 0x08);
-	pci_hose_read_config_dword(hose, dev_nu, PCI_CACHE_LINE_SIZE, &tmp32);
-
-	pci_hose_read_config_dword(hose, dev_nu, PCI_COMMAND, &tmp32);
-
-	tmp32 &= 0xffff;
-
-	if (iovsmem == 0)
-		tmp32 |= 0x5;
-	else
-		tmp32 |= 0x6;
-
-	pci_hose_write_config_dword(hose, dev_nu, PCI_COMMAND, tmp32);
-}
-
-static void pci_bus_scan(struct ftpci100_data *priv)
-{
-	struct pci_controller *hose = (struct pci_controller *)&local_hose;
-	unsigned int bus, dev, func;
-	pci_dev_t dev_nu;
-	unsigned int data32;
-	unsigned int tmp;
-	unsigned char header;
-	unsigned char int_pin;
-	unsigned int niobars;
-	unsigned int nmbars;
-
-	priv->ndevs = 1;
-
-	nmbars = 0;
-	niobars = 0;
-
-	for (bus = 0; bus < MAX_BUS_NUM; bus++)
-		for (dev = 0; dev < MAX_DEV_NUM; dev++)
-			for (func = 0; func < MAX_FUN_NUM; func++) {
-				dev_nu = PCI_BDF(bus, dev, func);
-				pci_hose_read_config_dword(hose, dev_nu,
-							PCI_VENDOR_ID, &data32);
-
-				/*
-				 * some broken boards return 0 or ~0,
-				 * if a slot is empty.
-				 */
-				if (data32 == 0xffffffff ||
-					data32 == 0x00000000 ||
-					data32 == 0x0000ffff ||
-					data32 == 0xffff0000)
-					continue;
-
-				pci_hose_read_config_dword(hose, dev_nu,
-							PCI_HEADER_TYPE, &tmp);
-				header = (unsigned char)tmp;
-				setup_pci_bar(bus, dev, func, header, priv);
-
-				devs[priv->ndevs].v_id = (u16)(data32 & \
-								0x0000ffff);
-
-				devs[priv->ndevs].d_id = (u16)((data32 & \
-							0xffff0000) >> 16);
-
-				/* Figure out what INTX# line the card uses */
-				pci_hose_read_config_byte(hose, dev_nu,
-						PCI_INTERRUPT_PIN, &int_pin);
-
-				/* assign the appropriate irq line */
-				if (int_pin > PCI_IRQ_LINES) {
-					printf("more irq lines than expect\n");
-				} else if (int_pin != 0) {
-					/* This device uses an interrupt line */
-					devs[priv->ndevs].pin = int_pin;
-				}
-
-				pci_hose_read_config_dword(hose, dev_nu,
-						PCI_CLASS_DEVICE, &data32);
-
-				debug("%06d  %03d  %03d  " \
-					"%04d  %08x  %08x  " \
-					"%03d  %08x  %06d  %08x\n",
-					priv->ndevs, devs[priv->ndevs].bus,
-					devs[priv->ndevs].dev,
-					devs[priv->ndevs].func,
-					devs[priv->ndevs].d_id,
-					devs[priv->ndevs].v_id,
-					devs[priv->ndevs].pin,
-					devs[priv->ndevs].bar[0].addr,
-					devs[priv->ndevs].bar[0].size,
-					data32 >> 8);
-
-				priv->ndevs++;
-			}
-}
-
-static void ftpci_preinit(struct ftpci100_data *priv)
-{
-	struct ftpci100_ahbc *ftpci100;
-	struct pci_controller *hose = (struct pci_controller *)&local_hose;
-	u32 pci_config_addr;
-	u32 pci_config_data;
-
-	priv->reg_base = CONFIG_FTPCI100_BASE;
-	priv->io_base = CONFIG_FTPCI100_BASE + CONFIG_FTPCI100_IO_SIZE;
-	priv->mmio_base = CONFIG_FTPCI100_MEM_BASE;
-	priv->mem_base = CONFIG_FTPCI100_MEM_BASE + CONFIG_FTPCI100_MEM_SIZE;
-
-	ftpci100 = (struct ftpci100_ahbc *)priv->reg_base;
-
-	pci_config_addr = (u32) &ftpci100->conf;
-	pci_config_data = (u32) &ftpci100->data;
-
-	/* print device name */
-	printf("FTPCI100\n");
-
-	/* dump basic configuration */
-	debug("%s: Config addr is %08X, data port is %08X\n",
-		__func__, pci_config_addr, pci_config_data);
-
-	/* PCI memory space */
-	pci_set_region(hose->regions + 0,
-		CONFIG_PCI_MEM_BUS,
-		CONFIG_PCI_MEM_PHYS,
-		CONFIG_PCI_MEM_SIZE,
-		PCI_REGION_MEM);
-	hose->region_count++;
-
-	/* PCI IO space */
-	pci_set_region(hose->regions + 1,
-		CONFIG_PCI_IO_BUS,
-		CONFIG_PCI_IO_PHYS,
-		CONFIG_PCI_IO_SIZE,
-		PCI_REGION_IO);
-	hose->region_count++;
-
-#if defined(CONFIG_PCI_SYS_BUS)
-	/* PCI System Memory space */
-	pci_set_region(hose->regions + 2,
-		CONFIG_PCI_SYS_BUS,
-		CONFIG_PCI_SYS_PHYS,
-		CONFIG_PCI_SYS_SIZE,
-		PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-	hose->region_count++;
-#endif
-
-	/* setup indirect read/write function */
-	pci_setup_indirect(hose, pci_config_addr, pci_config_data);
-
-	/* register hose */
-	pci_register_hose(hose);
-}
-
-void pci_ftpci_init(void)
-{
-	struct ftpci100_data *priv = NULL;
-	struct pci_controller *hose = (struct pci_controller *)&local_hose;
-	pci_dev_t bridge_num;
-
-	struct pci_device_id bridge_ids[] = {
-		{FTPCI100_BRIDGE_VENDORID, FTPCI100_BRIDGE_DEVICEID},
-		{0, 0}
-	};
-
-	priv = malloc(sizeof(struct ftpci100_data));
-
-	if (!priv) {
-		printf("%s(): failed to malloc priv\n", __func__);
-		return;
-	}
-
-	memset(priv, 0, sizeof(struct ftpci100_data));
-
-	ftpci_preinit(priv);
-
-	debug("Device  bus  dev  func  deviceID  vendorID  pin  address" \
-		"   size    class\n");
-
-	pci_bus_scan(priv);
-
-	/*
-	 * Setup the PCI Bridge Window to 1GB,
-	 * it will cause USB OHCI Host controller Unrecoverable Error
-	 * if it is not set.
-	 */
-	bridge_num = pci_find_devices(bridge_ids, 0);
-	if (bridge_num == -1) {
-		printf("PCI Bridge not found\n");
-		return;
-	}
-	pci_hose_write_config_dword(hose, bridge_num, PCI_MEM_BASE_SIZE1,
-					FTPCI100_BASE_ADR_SIZE(1024));
-}
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index f947ecdb3eb..98a80680f6e 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -505,10 +505,6 @@ CONFIG_FTINTC010_BASE
 CONFIG_FTLCDC100_BASE
 CONFIG_FTMAC100_BASE
 CONFIG_FTMAC110_BASE
-CONFIG_FTPCI100_BASE
-CONFIG_FTPCI100_IO_SIZE
-CONFIG_FTPCI100_MEM_BASE
-CONFIG_FTPCI100_MEM_SIZE
 CONFIG_FTPMU010
 CONFIG_FTPMU010_BASE
 CONFIG_FTPMU010_POWER
-- 
2.32.0.432.gabb21c7263-goog



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