[PATCH 10/17] m68k: Remove unused PCI code
Tom Rini
trini at konsulko.com
Mon Jun 20 14:07:51 CEST 2022
The only mcf5445x platform does not enable PCI, drop this code.
Signed-off-by: Tom Rini <trini at konsulko.com>
---
arch/m68k/cpu/mcf5445x/Makefile | 2 +-
arch/m68k/cpu/mcf5445x/pci.c | 151 --------------------------------
2 files changed, 1 insertion(+), 152 deletions(-)
delete mode 100644 arch/m68k/cpu/mcf5445x/pci.c
diff --git a/arch/m68k/cpu/mcf5445x/Makefile b/arch/m68k/cpu/mcf5445x/Makefile
index ba90fc3c34a3..6a38c4838e99 100644
--- a/arch/m68k/cpu/mcf5445x/Makefile
+++ b/arch/m68k/cpu/mcf5445x/Makefile
@@ -6,4 +6,4 @@
# ccflags-y += -DET_DEBUG
extra-y = start.o
-obj-y = cpu.o speed.o cpu_init.o interrupts.o pci.o dspi.o
+obj-y = cpu.o speed.o cpu_init.o interrupts.o dspi.o
diff --git a/arch/m68k/cpu/mcf5445x/pci.c b/arch/m68k/cpu/mcf5445x/pci.c
deleted file mode 100644
index d487468d0bfa..000000000000
--- a/arch/m68k/cpu/mcf5445x/pci.c
+++ /dev/null
@@ -1,151 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew at freescale.com)
- */
-
-/*
- * PCI Configuration space access support
- */
-#include <common.h>
-#include <pci.h>
-#include <asm/io.h>
-#include <asm/immap.h>
-#include <linux/delay.h>
-
-#if defined(CONFIG_PCI)
-/* System RAM mapped over PCI */
-#define CONFIG_SYS_PCI_SYS_MEM_BUS CONFIG_SYS_SDRAM_BASE
-#define CONFIG_SYS_PCI_SYS_MEM_PHYS CONFIG_SYS_SDRAM_BASE
-#define CONFIG_SYS_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024)
-
-#define cfg_read(val, addr, type, op) *val = op((type)(addr));
-#define cfg_write(val, addr, type, op) op((type *)(addr), (val));
-
-#define PCI_OP(rw, size, type, op, mask) \
-int pci_##rw##_cfg_##size(struct pci_controller *hose, \
- pci_dev_t dev, int offset, type val) \
-{ \
- u32 addr = PCI_CONF1_ADDRESS(PCI_BUS(dev), PCI_DEV(dev), \
- PCI_FUNC(dev), offset); \
- out_be32(hose->cfg_addr, addr); \
- cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \
- out_be32(hose->cfg_addr, addr & ~PCI_CONF1_ENABLE); \
- return 0; \
-}
-
-PCI_OP(read, byte, u8 *, in_8, 3)
-PCI_OP(read, word, u16 *, in_le16, 2)
-PCI_OP(read, dword, u32 *, in_le32, 0)
-PCI_OP(write, byte, u8, out_8, 3)
-PCI_OP(write, word, u16, out_le16, 2)
-PCI_OP(write, dword, u32, out_le32, 0)
-
-void pci_mcf5445x_init(struct pci_controller *hose)
-{
- pci_t *pci = (pci_t *)MMAP_PCI;
- pciarb_t *pciarb = (pciarb_t *)MMAP_PCIARB;
- gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- u32 barEn = 0;
-
- out_be32(&pciarb->acr, 0x001f001f);
-
- /* Set PCIGNT1, PCIREQ1, PCIREQ0/PCIGNTIN, PCIGNT0/PCIREQOUT,
- PCIREQ2, PCIGNT2 */
- out_be16(&gpio->par_pci,
- GPIO_PAR_PCI_GNT3_GNT3 | GPIO_PAR_PCI_GNT2 |
- GPIO_PAR_PCI_GNT1 | GPIO_PAR_PCI_GNT0 |
- GPIO_PAR_PCI_REQ3_REQ3 | GPIO_PAR_PCI_REQ2 |
- GPIO_PAR_PCI_REQ1 | GPIO_PAR_PCI_REQ0);
-
- /* Assert reset bit */
- setbits_be32(&pci->gscr, PCI_GSCR_PR);
-
- setbits_be32(&pci->tcr1, PCI_TCR1_P);
-
- /* Initiator windows */
- out_be32(&pci->iw0btar,
- CONFIG_SYS_PCI_MEM_PHYS | (CONFIG_SYS_PCI_MEM_PHYS >> 16));
- out_be32(&pci->iw1btar,
- CONFIG_SYS_PCI_IO_PHYS | (CONFIG_SYS_PCI_IO_PHYS >> 16));
- out_be32(&pci->iw2btar,
- CONFIG_SYS_PCI_CFG_PHYS | (CONFIG_SYS_PCI_CFG_PHYS >> 16));
-
- out_be32(&pci->iwcr,
- PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO |
- PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO);
-
- out_be32(&pci->icr, 0);
-
- /* Enable bus master and mem access */
- out_be32(&pci->scr, PCI_SCR_B | PCI_SCR_M);
-
- /* Cache line size and master latency */
- out_be32(&pci->cr1, PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xF8));
- out_be32(&pci->cr2, 0);
-
-#ifdef CONFIG_SYS_PCI_BAR0
- out_be32(&pci->bar0, PCI_BAR_BAR0(CONFIG_SYS_PCI_BAR0));
- out_be32(&pci->tbatr0, CONFIG_SYS_PCI_TBATR0 | PCI_TBATR_EN);
- barEn |= PCI_TCR2_B0E;
-#endif
-#ifdef CONFIG_SYS_PCI_BAR1
- out_be32(&pci->bar1, PCI_BAR_BAR1(CONFIG_SYS_PCI_BAR1));
- out_be32(&pci->tbatr1, CONFIG_SYS_PCI_TBATR1 | PCI_TBATR_EN);
- barEn |= PCI_TCR2_B1E;
-#endif
-#ifdef CONFIG_SYS_PCI_BAR2
- out_be32(&pci->bar2, PCI_BAR_BAR2(CONFIG_SYS_PCI_BAR2));
- out_be32(&pci->tbatr2, CONFIG_SYS_PCI_TBATR2 | PCI_TBATR_EN);
- barEn |= PCI_TCR2_B2E;
-#endif
-#ifdef CONFIG_SYS_PCI_BAR3
- out_be32(&pci->bar3, PCI_BAR_BAR3(CONFIG_SYS_PCI_BAR3));
- out_be32(&pci->tbatr3, CONFIG_SYS_PCI_TBATR3 | PCI_TBATR_EN);
- barEn |= PCI_TCR2_B3E;
-#endif
-#ifdef CONFIG_SYS_PCI_BAR4
- out_be32(&pci->bar4, PCI_BAR_BAR4(CONFIG_SYS_PCI_BAR4));
- out_be32(&pci->tbatr4, CONFIG_SYS_PCI_TBATR4 | PCI_TBATR_EN);
- barEn |= PCI_TCR2_B4E;
-#endif
-#ifdef CONFIG_SYS_PCI_BAR5
- out_be32(&pci->bar5, PCI_BAR_BAR5(CONFIG_SYS_PCI_BAR5));
- out_be32(&pci->tbatr5, CONFIG_SYS_PCI_TBATR5 | PCI_TBATR_EN);
- barEn |= PCI_TCR2_B5E;
-#endif
-
- out_be32(&pci->tcr2, barEn);
-
- /* Deassert reset bit */
- clrbits_be32(&pci->gscr, PCI_GSCR_PR);
- udelay(1000);
-
- /* Enable PCI bus master support */
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- pci_set_region(hose->regions + 0, CONFIG_SYS_PCI_MEM_BUS, CONFIG_SYS_PCI_MEM_PHYS,
- CONFIG_SYS_PCI_MEM_SIZE, PCI_REGION_MEM);
-
- pci_set_region(hose->regions + 1, CONFIG_SYS_PCI_IO_BUS, CONFIG_SYS_PCI_IO_PHYS,
- CONFIG_SYS_PCI_IO_SIZE, PCI_REGION_IO);
-
- pci_set_region(hose->regions + 2, CONFIG_SYS_PCI_SYS_MEM_BUS,
- CONFIG_SYS_PCI_SYS_MEM_PHYS, CONFIG_SYS_PCI_SYS_MEM_SIZE,
- PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
- hose->region_count = 3;
-
- hose->cfg_addr = &(pci->car);
- hose->cfg_data = (volatile unsigned char *)CONFIG_SYS_PCI_CFG_BUS;
-
- pci_set_ops(hose, pci_read_cfg_byte, pci_read_cfg_word,
- pci_read_cfg_dword, pci_write_cfg_byte, pci_write_cfg_word,
- pci_write_cfg_dword);
-
- /* Hose scan */
- pci_register_hose(hose);
- hose->last_busno = pci_hose_scan(hose);
-}
-#endif /* CONFIG_PCI */
--
2.25.1
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