diff options
Diffstat (limited to 'arch/mips/txx9')
| -rw-r--r-- | arch/mips/txx9/Kconfig | 28 | ||||
| -rw-r--r-- | arch/mips/txx9/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup.c | 5 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/spi_eeprom.c | 104 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4938/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4938/irq.c | 157 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4938/prom.c | 22 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4938/setup.c | 372 |
9 files changed, 0 insertions, 692 deletions
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index 00f6fc446abe..a5484c284353 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -39,14 +39,6 @@ config TOSHIBA_RBTX4927 This Toshiba board is based on the TX4927 processor. Say Y here to support this machine type -config TOSHIBA_RBTX4938 - bool "Toshiba RBTX4938 board" - depends on MACH_TX49XX - select SOC_TX4938 - help - This Toshiba board is based on the TX4938 processor. Say Y here to - support this machine type - config TOSHIBA_RBTX4939 bool "Toshiba RBTX4939 board" depends on MACH_TX49XX @@ -105,25 +97,5 @@ config PICMG_PCI_BACKPLANE_DEFAULT depends on PCI && MACH_TXX9 default y if !TOSHIBA_FPCIB0 -if TOSHIBA_RBTX4938 - -comment "Multiplex Pin Select" -choice - prompt "PIO[58:61]" - default TOSHIBA_RBTX4938_MPLEX_PIO58_61 - -config TOSHIBA_RBTX4938_MPLEX_PIO58_61 - bool "PIO" -config TOSHIBA_RBTX4938_MPLEX_NAND - bool "NAND" -config TOSHIBA_RBTX4938_MPLEX_ATA - bool "ATA" -config TOSHIBA_RBTX4938_MPLEX_KEEP - bool "Keep firmware settings" - -endchoice - -endif - config PCI_TX4927 bool diff --git a/arch/mips/txx9/Makefile b/arch/mips/txx9/Makefile index 195295937282..c8eeca8fa3d5 100644 --- a/arch/mips/txx9/Makefile +++ b/arch/mips/txx9/Makefile @@ -14,5 +14,4 @@ obj-$(CONFIG_TOSHIBA_JMR3927) += jmr3927/ # Toshiba RBTX49XX boards # obj-$(CONFIG_TOSHIBA_RBTX4927) += rbtx4927/ -obj-$(CONFIG_TOSHIBA_RBTX4938) += rbtx4938/ obj-$(CONFIG_TOSHIBA_RBTX4939) += rbtx4939/ diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index 6d00580fc81d..76caa756ec2b 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -10,5 +10,4 @@ obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o setup_tx4927.o irq_tx4927.o obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o setup_tx4938.o irq_tx4938.o obj-$(CONFIG_SOC_TX4939) += setup_tx4939.o irq_tx4939.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o -obj-$(CONFIG_SPI) += spi_eeprom.o obj-$(CONFIG_TXX9_7SEGLED) += 7segled.o diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 42ba1e97dff0..5c42da622b8b 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -315,11 +315,6 @@ static void __init select_board(void) txx9_board_vec = &rbtx4937_vec; break; #endif -#ifdef CONFIG_TOSHIBA_RBTX4938 - case 0x4938: - txx9_board_vec = &rbtx4938_vec; - break; -#endif #ifdef CONFIG_TOSHIBA_RBTX4939 case 0x4939: txx9_board_vec = &rbtx4939_vec; diff --git a/arch/mips/txx9/generic/spi_eeprom.c b/arch/mips/txx9/generic/spi_eeprom.c deleted file mode 100644 index d833dd2c9b55..000000000000 --- a/arch/mips/txx9/generic/spi_eeprom.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * spi_eeprom.c - * 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/slab.h> -#include <linux/export.h> -#include <linux/device.h> -#include <linux/spi/spi.h> -#include <linux/spi/eeprom.h> -#include <asm/txx9/spi.h> - -#define AT250X0_PAGE_SIZE 8 - -/* register board information for at25 driver */ -int __init spi_eeprom_register(int busid, int chipid, int size) -{ - struct spi_board_info info = { - .modalias = "at25", - .max_speed_hz = 1500000, /* 1.5Mbps */ - .bus_num = busid, - .chip_select = chipid, - /* Mode 0: High-Active, Sample-Then-Shift */ - }; - struct spi_eeprom *eeprom; - eeprom = kzalloc(sizeof(*eeprom), GFP_KERNEL); - if (!eeprom) - return -ENOMEM; - strcpy(eeprom->name, "at250x0"); - eeprom->byte_len = size; - eeprom->page_size = AT250X0_PAGE_SIZE; - eeprom->flags = EE_ADDR1; - info.platform_data = eeprom; - return spi_register_board_info(&info, 1); -} - -/* simple temporary spi driver to provide early access to seeprom. */ - -static struct read_param { - int busid; - int chipid; - int address; - unsigned char *buf; - int len; -} *read_param; - -static int __init early_seeprom_probe(struct spi_device *spi) -{ - int stat = 0; - u8 cmd[2]; - int len = read_param->len; - char *buf = read_param->buf; - int address = read_param->address; - - dev_info(&spi->dev, "spiclk %u KHz.\n", - (spi->max_speed_hz + 500) / 1000); - if (read_param->busid != spi->master->bus_num || - read_param->chipid != spi->chip_select) - return -ENODEV; - while (len > 0) { - /* spi_write_then_read can only work with small chunk */ - int c = len < AT250X0_PAGE_SIZE ? len : AT250X0_PAGE_SIZE; - cmd[0] = 0x03; /* AT25_READ */ - cmd[1] = address; - stat = spi_write_then_read(spi, cmd, sizeof(cmd), buf, c); - buf += c; - len -= c; - address += c; - } - return stat; -} - -static struct spi_driver early_seeprom_driver __initdata = { - .driver = { - .name = "at25", - }, - .probe = early_seeprom_probe, -}; - -int __init spi_eeprom_read(int busid, int chipid, int address, - unsigned char *buf, int len) -{ - int ret; - struct read_param param = { - .busid = busid, - .chipid = chipid, - .address = address, - .buf = buf, - .len = len - }; - - read_param = ¶m; - ret = spi_register_driver(&early_seeprom_driver); - if (!ret) - spi_unregister_driver(&early_seeprom_driver); - return ret; -} diff --git a/arch/mips/txx9/rbtx4938/Makefile b/arch/mips/txx9/rbtx4938/Makefile deleted file mode 100644 index 08a02aebda5a..000000000000 --- a/arch/mips/txx9/rbtx4938/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -obj-y += prom.o setup.o irq.o diff --git a/arch/mips/txx9/rbtx4938/irq.c b/arch/mips/txx9/rbtx4938/irq.c deleted file mode 100644 index 58cd7a9272cc..000000000000 --- a/arch/mips/txx9/rbtx4938/irq.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Toshiba RBTX4938 specific interrupt handlers - * 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) - */ - -/* - * MIPS_CPU_IRQ_BASE+00 Software 0 - * MIPS_CPU_IRQ_BASE+01 Software 1 - * MIPS_CPU_IRQ_BASE+02 Cascade TX4938-CP0 - * MIPS_CPU_IRQ_BASE+03 Multiplexed -- do not use - * MIPS_CPU_IRQ_BASE+04 Multiplexed -- do not use - * MIPS_CPU_IRQ_BASE+05 Multiplexed -- do not use - * MIPS_CPU_IRQ_BASE+06 Multiplexed -- do not use - * MIPS_CPU_IRQ_BASE+07 CPU TIMER - * - * TXX9_IRQ_BASE+00 - * TXX9_IRQ_BASE+01 - * TXX9_IRQ_BASE+02 Cascade RBTX4938-IOC - * TXX9_IRQ_BASE+03 RBTX4938 RTL-8019AS Ethernet - * TXX9_IRQ_BASE+04 - * TXX9_IRQ_BASE+05 TX4938 ETH1 - * TXX9_IRQ_BASE+06 TX4938 ETH0 - * TXX9_IRQ_BASE+07 - * TXX9_IRQ_BASE+08 TX4938 SIO 0 - * TXX9_IRQ_BASE+09 TX4938 SIO 1 - * TXX9_IRQ_BASE+10 TX4938 DMA0 - * TXX9_IRQ_BASE+11 TX4938 DMA1 - * TXX9_IRQ_BASE+12 TX4938 DMA2 - * TXX9_IRQ_BASE+13 TX4938 DMA3 - * TXX9_IRQ_BASE+14 - * TXX9_IRQ_BASE+15 - * TXX9_IRQ_BASE+16 TX4938 PCIC - * TXX9_IRQ_BASE+17 TX4938 TMR0 - * TXX9_IRQ_BASE+18 TX4938 TMR1 - * TXX9_IRQ_BASE+19 TX4938 TMR2 - * TXX9_IRQ_BASE+20 - * TXX9_IRQ_BASE+21 - * TXX9_IRQ_BASE+22 TX4938 PCIERR - * TXX9_IRQ_BASE+23 - * TXX9_IRQ_BASE+24 - * TXX9_IRQ_BASE+25 - * TXX9_IRQ_BASE+26 - * TXX9_IRQ_BASE+27 - * TXX9_IRQ_BASE+28 - * TXX9_IRQ_BASE+29 - * TXX9_IRQ_BASE+30 - * TXX9_IRQ_BASE+31 TX4938 SPI - * - * RBTX4938_IRQ_IOC+00 PCI-D - * RBTX4938_IRQ_IOC+01 PCI-C - * RBTX4938_IRQ_IOC+02 PCI-B - * RBTX4938_IRQ_IOC+03 PCI-A - * RBTX4938_IRQ_IOC+04 RTC - * RBTX4938_IRQ_IOC+05 ATA - * RBTX4938_IRQ_IOC+06 MODEM - * RBTX4938_IRQ_IOC+07 SWINT - */ -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <asm/mipsregs.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/rbtx4938.h> - -static int toshiba_rbtx4938_irq_nested(int sw_irq) -{ - u8 level3; - - level3 = readb(rbtx4938_imstat_addr); - if (unlikely(!level3)) - return -1; - /* must use fls so onboard ATA has priority */ - return RBTX4938_IRQ_IOC + __fls8(level3); -} - -static void toshiba_rbtx4938_irq_ioc_enable(struct irq_data *d) -{ - unsigned char v; - - v = readb(rbtx4938_imask_addr); - v |= (1 << (d->irq - RBTX4938_IRQ_IOC)); - writeb(v, rbtx4938_imask_addr); - mmiowb(); -} - -static void toshiba_rbtx4938_irq_ioc_disable(struct irq_data *d) -{ - unsigned char v; - - v = readb(rbtx4938_imask_addr); - v &= ~(1 << (d->irq - RBTX4938_IRQ_IOC)); - writeb(v, rbtx4938_imask_addr); - mmiowb(); -} - -#define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC" -static struct irq_chip toshiba_rbtx4938_irq_ioc_type = { - .name = TOSHIBA_RBTX4938_IOC_NAME, - .irq_mask = toshiba_rbtx4938_irq_ioc_disable, - .irq_unmask = toshiba_rbtx4938_irq_ioc_enable, -}; - -static int rbtx4938_irq_dispatch(int pending) -{ - int irq; - - if (pending & STATUSF_IP7) - irq = MIPS_CPU_IRQ_BASE + 7; - else if (pending & STATUSF_IP2) { - irq = txx9_irq(); - if (irq == RBTX4938_IRQ_IOCINT) - irq = toshiba_rbtx4938_irq_nested(irq); - } else if (pending & STATUSF_IP1) - irq = MIPS_CPU_IRQ_BASE + 0; - else if (pending & STATUSF_IP0) - irq = MIPS_CPU_IRQ_BASE + 1; - else - irq = -1; - return irq; -} - -static void __init toshiba_rbtx4938_irq_ioc_init(void) -{ - int i; - - for (i = RBTX4938_IRQ_IOC; - i < RBTX4938_IRQ_IOC + RBTX4938_NR_IRQ_IOC; i++) - irq_set_chip_and_handler(i, &toshiba_rbtx4938_irq_ioc_type, - handle_level_irq); - - irq_set_chained_handler(RBTX4938_IRQ_IOCINT, handle_simple_irq); -} - -void __init rbtx4938_irq_setup(void) -{ - txx9_irq_dispatch = rbtx4938_irq_dispatch; - /* Now, interrupt control disabled, */ - /* all IRC interrupts are masked, */ - /* all IRC interrupt mode are Low Active. */ - - /* mask all IOC interrupts */ - writeb(0, rbtx4938_imask_addr); - - /* clear SoftInt interrupts */ - writeb(0, rbtx4938_softint_addr); - tx4938_irq_init(); - toshiba_rbtx4938_irq_ioc_init(); - /* Onboard 10M Ether: High Active */ - irq_set_irq_type(RBTX4938_IRQ_ETHER, IRQF_TRIGGER_HIGH); -} diff --git a/arch/mips/txx9/rbtx4938/prom.c b/arch/mips/txx9/rbtx4938/prom.c deleted file mode 100644 index 0de84716a428..000000000000 --- a/arch/mips/txx9/rbtx4938/prom.c +++ /dev/null @@ -1,22 +0,0 @@ -/* - * rbtx4938 specific prom 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/memblock.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/rbtx4938.h> - -void __init rbtx4938_prom_init(void) -{ - memblock_add(0, tx4938_get_mem_size()); - txx9_sio_putchar_init(TX4938_SIO_REG(0) & 0xfffffffffULL); -} 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 -}; |