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authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-11-30 17:45:54 +0100
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-12-09 10:29:03 +0100
commit21d638ef9483d8cf19197e1a6f12ebc8f7d7c0b9 (patch)
tree75cf19b32cd515f87d1075133ff28919adab4c1b /arch/mips/txx9/rbtx4938/setup.c
parentMIPS: Loongson64: Use three arguments for slti (diff)
downloadlinux-21d638ef9483d8cf19197e1a6f12ebc8f7d7c0b9.tar.xz
linux-21d638ef9483d8cf19197e1a6f12ebc8f7d7c0b9.zip
MIPS: TXX9: Remove rbtx4938 board support
No active MIPS user own this board, so let's remove it. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/mips/txx9/rbtx4938/setup.c')
-rw-r--r--arch/mips/txx9/rbtx4938/setup.c372
1 files changed, 0 insertions, 372 deletions
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
deleted file mode 100644
index e68eb2e7ce0c..000000000000
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * Setup pointers to hardware-dependent routines.
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/gpio/driver.h>
-#include <linux/gpio.h>
-#include <linux/mtd/physmap.h>
-
-#include <asm/reboot.h>
-#include <asm/io.h>
-#include <asm/txx9/generic.h>
-#include <asm/txx9/pci.h>
-#include <asm/txx9/rbtx4938.h>
-#include <linux/spi/spi.h>
-#include <asm/txx9/spi.h>
-#include <asm/txx9pio.h>
-
-static void rbtx4938_machine_restart(char *command)
-{
- local_irq_disable();
- writeb(1, rbtx4938_softresetlock_addr);
- writeb(1, rbtx4938_sfvol_addr);
- writeb(1, rbtx4938_softreset_addr);
- /* fallback */
- (*_machine_halt)();
-}
-
-static void __init rbtx4938_pci_setup(void)
-{
-#ifdef CONFIG_PCI
- int extarb = !(__raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_PCIARB);
- struct pci_controller *c = &txx9_primary_pcic;
-
- register_pci_controller(c);
-
- if (__raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_PCI66)
- txx9_pci_option =
- (txx9_pci_option & ~TXX9_PCI_OPT_CLK_MASK) |
- TXX9_PCI_OPT_CLK_66; /* already configured */
-
- /* Reset PCI Bus */
- writeb(0, rbtx4938_pcireset_addr);
- /* Reset PCIC */
- txx9_set64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST);
- if ((txx9_pci_option & TXX9_PCI_OPT_CLK_MASK) ==
- TXX9_PCI_OPT_CLK_66)
- tx4938_pciclk66_setup();
- mdelay(10);
- /* clear PCIC reset */
- txx9_clear64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST);
- writeb(1, rbtx4938_pcireset_addr);
- iob();
-
- tx4938_report_pciclk();
- tx4927_pcic_setup(tx4938_pcicptr, c, extarb);
- if ((txx9_pci_option & TXX9_PCI_OPT_CLK_MASK) ==
- TXX9_PCI_OPT_CLK_AUTO &&
- txx9_pci66_check(c, 0, 0)) {
- /* Reset PCI Bus */
- writeb(0, rbtx4938_pcireset_addr);
- /* Reset PCIC */
- txx9_set64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST);
- tx4938_pciclk66_setup();
- mdelay(10);
- /* clear PCIC reset */
- txx9_clear64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST);
- writeb(1, rbtx4938_pcireset_addr);
- iob();
- /* Reinitialize PCIC */
- tx4938_report_pciclk();
- tx4927_pcic_setup(tx4938_pcicptr, c, extarb);
- }
-
- if (__raw_readq(&tx4938_ccfgptr->pcfg) &
- (TX4938_PCFG_ETH0_SEL|TX4938_PCFG_ETH1_SEL)) {
- /* Reset PCIC1 */
- txx9_set64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIC1RST);
- /* PCI1DMD==0 => PCI1CLK==GBUSCLK/2 => PCI66 */
- if (!(__raw_readq(&tx4938_ccfgptr->ccfg)
- & TX4938_CCFG_PCI1DMD))
- tx4938_ccfg_set(TX4938_CCFG_PCI1_66);
- mdelay(10);
- /* clear PCIC1 reset */
- txx9_clear64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIC1RST);
- tx4938_report_pci1clk();
-
- /* mem:64K(max), io:64K(max) (enough for ETH0,ETH1) */
- c = txx9_alloc_pci_controller(NULL, 0, 0x10000, 0, 0x10000);
- register_pci_controller(c);
- tx4927_pcic_setup(tx4938_pcic1ptr, c, 0);
- }
- tx4938_setup_pcierr_irq();
-#endif /* CONFIG_PCI */
-}
-
-/* SPI support */
-
-/* chip select for SPI devices */
-#define SEEPROM1_CS 7 /* PIO7 */
-#define SEEPROM2_CS 0 /* IOC */
-#define SEEPROM3_CS 1 /* IOC */
-#define SRTC_CS 2 /* IOC */
-#define SPI_BUSNO 0
-
-static int __init rbtx4938_ethaddr_init(void)
-{
-#ifdef CONFIG_PCI
- unsigned char dat[17];
- unsigned char sum;
- int i;
-
- /* 0-3: "MAC\0", 4-9:eth0, 10-15:eth1, 16:sum */
- if (spi_eeprom_read(SPI_BUSNO, SEEPROM1_CS, 0, dat, sizeof(dat))) {
- pr_err("seeprom: read error.\n");
- return -ENODEV;
- } else {
- if (strcmp(dat, "MAC") != 0)
- pr_warn("seeprom: bad signature.\n");
- for (i = 0, sum = 0; i < sizeof(dat); i++)
- sum += dat[i];
- if (sum)
- pr_warn("seeprom: bad checksum.\n");
- }
- tx4938_ethaddr_init(&dat[4], &dat[4 + 6]);
-#endif /* CONFIG_PCI */
- return 0;
-}
-
-static void __init rbtx4938_spi_setup(void)
-{
- /* set SPI_SEL */
- txx9_set64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_SPI_SEL);
-}
-
-static struct resource rbtx4938_fpga_resource;
-
-static void __init rbtx4938_time_init(void)
-{
- tx4938_time_init(0);
-}
-
-static void __init rbtx4938_mem_setup(void)
-{
- unsigned long long pcfg;
-
- if (txx9_master_clock == 0)
- txx9_master_clock = 25000000; /* 25MHz */
-
- tx4938_setup();
-
-#ifdef CONFIG_PCI
- txx9_alloc_pci_controller(&txx9_primary_pcic, 0, 0, 0, 0);
- txx9_board_pcibios_setup = tx4927_pcibios_setup;
-#else
- set_io_port_base(RBTX4938_ETHER_BASE);
-#endif
-
- tx4938_sio_init(7372800, 0);
-
-#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_PIO58_61
- pr_info("PIOSEL: disabling both ATA and NAND selection\n");
- txx9_clear64(&tx4938_ccfgptr->pcfg,
- TX4938_PCFG_NDF_SEL | TX4938_PCFG_ATA_SEL);
-#endif
-
-#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_NAND
- pr_info("PIOSEL: enabling NAND selection\n");
- txx9_set64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_NDF_SEL);
- txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_ATA_SEL);
-#endif
-
-#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_ATA
- pr_info("PIOSEL: enabling ATA selection\n");
- txx9_set64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_ATA_SEL);
- txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_NDF_SEL);
-#endif
-
-#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_KEEP
- pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg);
- pr_info("PIOSEL: NAND %s, ATA %s\n",
- (pcfg & TX4938_PCFG_NDF_SEL) ? "enabled" : "disabled",
- (pcfg & TX4938_PCFG_ATA_SEL) ? "enabled" : "disabled");
-#endif
-
- rbtx4938_spi_setup();
- pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg); /* updated */
- /* fixup piosel */
- if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
- TX4938_PCFG_ATA_SEL)
- writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x04,
- rbtx4938_piosel_addr);
- else if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
- TX4938_PCFG_NDF_SEL)
- writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x08,
- rbtx4938_piosel_addr);
- else
- writeb(readb(rbtx4938_piosel_addr) & ~(0x08 | 0x04),
- rbtx4938_piosel_addr);
-
- rbtx4938_fpga_resource.name = "FPGA Registers";
- rbtx4938_fpga_resource.start = CPHYSADDR(RBTX4938_FPGA_REG_ADDR);
- rbtx4938_fpga_resource.end = CPHYSADDR(RBTX4938_FPGA_REG_ADDR) + 0xffff;
- rbtx4938_fpga_resource.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
- if (request_resource(&txx9_ce_res[2], &rbtx4938_fpga_resource))
- pr_err("request resource for fpga failed\n");
-
- _machine_restart = rbtx4938_machine_restart;
-
- writeb(0xff, rbtx4938_led_addr);
- pr_info("RBTX4938 --- FPGA(Rev %02x) DIPSW:%02x,%02x\n",
- readb(rbtx4938_fpga_rev_addr),
- readb(rbtx4938_dipsw_addr), readb(rbtx4938_bdipsw_addr));
-}
-
-static void __init rbtx4938_ne_init(void)
-{
- struct resource res[] = {
- {
- .start = RBTX4938_RTL_8019_BASE,
- .end = RBTX4938_RTL_8019_BASE + 0x20 - 1,
- .flags = IORESOURCE_IO,
- }, {
- .start = RBTX4938_RTL_8019_IRQ,
- .flags = IORESOURCE_IRQ,
- }
- };
- platform_device_register_simple("ne", -1, res, ARRAY_SIZE(res));
-}
-
-static DEFINE_SPINLOCK(rbtx4938_spi_gpio_lock);
-
-static void rbtx4938_spi_gpio_set(struct gpio_chip *chip, unsigned int offset,
- int value)
-{
- u8 val;
- unsigned long flags;
- spin_lock_irqsave(&rbtx4938_spi_gpio_lock, flags);
- val = readb(rbtx4938_spics_addr);
- if (value)
- val |= 1 << offset;
- else
- val &= ~(1 << offset);
- writeb(val, rbtx4938_spics_addr);
- mmiowb();
- spin_unlock_irqrestore(&rbtx4938_spi_gpio_lock, flags);
-}
-
-static int rbtx4938_spi_gpio_dir_out(struct gpio_chip *chip,
- unsigned int offset, int value)
-{
- rbtx4938_spi_gpio_set(chip, offset, value);
- return 0;
-}
-
-static struct gpio_chip rbtx4938_spi_gpio_chip = {
- .set = rbtx4938_spi_gpio_set,
- .direction_output = rbtx4938_spi_gpio_dir_out,
- .label = "RBTX4938-SPICS",
- .base = 16,
- .ngpio = 3,
-};
-
-static int __init rbtx4938_spi_init(void)
-{
- struct spi_board_info srtc_info = {
- .modalias = "rtc-rs5c348",
- .max_speed_hz = 1000000, /* 1.0Mbps @ Vdd 2.0V */
- .bus_num = 0,
- .chip_select = 16 + SRTC_CS,
- /* Mode 1 (High-Active, Shift-Then-Sample), High Avtive CS */
- .mode = SPI_MODE_1 | SPI_CS_HIGH,
- };
- spi_register_board_info(&srtc_info, 1);
- spi_eeprom_register(SPI_BUSNO, SEEPROM1_CS, 128);
- spi_eeprom_register(SPI_BUSNO, 16 + SEEPROM2_CS, 128);
- spi_eeprom_register(SPI_BUSNO, 16 + SEEPROM3_CS, 128);
- gpio_request(16 + SRTC_CS, "rtc-rs5c348");
- gpio_direction_output(16 + SRTC_CS, 0);
- gpio_request(SEEPROM1_CS, "seeprom1");
- gpio_direction_output(SEEPROM1_CS, 1);
- gpio_request(16 + SEEPROM2_CS, "seeprom2");
- gpio_direction_output(16 + SEEPROM2_CS, 1);
- gpio_request(16 + SEEPROM3_CS, "seeprom3");
- gpio_direction_output(16 + SEEPROM3_CS, 1);
- tx4938_spi_init(SPI_BUSNO);
- return 0;
-}
-
-static void __init rbtx4938_mtd_init(void)
-{
- struct physmap_flash_data pdata = {
- .width = 4,
- };
-
- switch (readb(rbtx4938_bdipsw_addr) & 7) {
- case 0:
- /* Boot */
- txx9_physmap_flash_init(0, 0x1fc00000, 0x400000, &pdata);
- /* System */
- txx9_physmap_flash_init(1, 0x1e000000, 0x1000000, &pdata);
- break;
- case 1:
- /* System */
- txx9_physmap_flash_init(0, 0x1f000000, 0x1000000, &pdata);
- /* Boot */
- txx9_physmap_flash_init(1, 0x1ec00000, 0x400000, &pdata);
- break;
- case 2:
- /* Ext */
- txx9_physmap_flash_init(0, 0x1f000000, 0x1000000, &pdata);
- /* System */
- txx9_physmap_flash_init(1, 0x1e000000, 0x1000000, &pdata);
- /* Boot */
- txx9_physmap_flash_init(2, 0x1dc00000, 0x400000, &pdata);
- break;
- case 3:
- /* Boot */
- txx9_physmap_flash_init(1, 0x1bc00000, 0x400000, &pdata);
- /* System */
- txx9_physmap_flash_init(2, 0x1a000000, 0x1000000, &pdata);
- break;
- }
-}
-
-static void __init rbtx4938_arch_init(void)
-{
- txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, TX4938_NUM_PIO);
- gpiochip_add_data(&rbtx4938_spi_gpio_chip, NULL);
- rbtx4938_pci_setup();
- rbtx4938_spi_init();
-}
-
-static void __init rbtx4938_device_init(void)
-{
- rbtx4938_ethaddr_init();
- rbtx4938_ne_init();
- tx4938_wdt_init();
- rbtx4938_mtd_init();
- /* TC58DVM82A1FT: tDH=10ns, tWP=tRP=tREADID=35ns */
- tx4938_ndfmc_init(10, 35);
- tx4938_ata_init(RBTX4938_IRQ_IOC_ATA, 0, 1);
- tx4938_dmac_init(0, 2);
- tx4938_aclc_init();
- platform_device_register_simple("txx9aclc-generic", -1, NULL, 0);
- tx4938_sramc_init();
- txx9_iocled_init(RBTX4938_LED_ADDR - IO_BASE, -1, 8, 1, "green", NULL);
-}
-
-struct txx9_board_vec rbtx4938_vec __initdata = {
- .system = "Toshiba RBTX4938",
- .prom_init = rbtx4938_prom_init,
- .mem_setup = rbtx4938_mem_setup,
- .irq_setup = rbtx4938_irq_setup,
- .time_init = rbtx4938_time_init,
- .device_init = rbtx4938_device_init,
- .arch_init = rbtx4938_arch_init,
-#ifdef CONFIG_PCI
- .pci_map_irq = rbtx4938_pci_map_irq,
-#endif
-};