diff options
Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc836x_mds.c')
| -rw-r--r-- | arch/powerpc/platforms/83xx/mpc836x_mds.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c deleted file mode 100644 index 240a26d88b07..000000000000 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ /dev/null @@ -1,211 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved. - * - * Author: Li Yang <LeoLi@freescale.com> - * Yin Olivia <Hong-hua.Yin@freescale.com> - * - * Description: - * MPC8360E MDS board specific routines. - * - * Changelog: - * Jun 21, 2006 Initial version - */ - -#include <linux/stddef.h> -#include <linux/kernel.h> -#include <linux/compiler.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/reboot.h> -#include <linux/pci.h> -#include <linux/kdev_t.h> -#include <linux/major.h> -#include <linux/console.h> -#include <linux/delay.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/initrd.h> -#include <linux/of_platform.h> -#include <linux/of_device.h> - -#include <linux/atomic.h> -#include <asm/time.h> -#include <asm/io.h> -#include <asm/machdep.h> -#include <asm/ipic.h> -#include <asm/irq.h> -#include <asm/prom.h> -#include <asm/udbg.h> -#include <sysdev/fsl_soc.h> -#include <sysdev/fsl_pci.h> -#include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> - -#include "mpc83xx.h" - -#undef DEBUG -#ifdef DEBUG -#define DBG(fmt...) udbg_printf(fmt) -#else -#define DBG(fmt...) -#endif - -/* ************************************************************************ - * - * Setup the architecture - * - */ -static void __init mpc836x_mds_setup_arch(void) -{ - struct device_node *np; - u8 __iomem *bcsr_regs = NULL; - - mpc83xx_setup_arch(); - - /* Map BCSR area */ - np = of_find_node_by_name(NULL, "bcsr"); - if (np) { - struct resource res; - - of_address_to_resource(np, 0, &res); - bcsr_regs = ioremap(res.start, resource_size(&res)); - of_node_put(np); - } - -#ifdef CONFIG_QUICC_ENGINE - if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) { - par_io_init(np); - of_node_put(np); - - for_each_node_by_name(np, "ucc") - par_io_of_config(np); -#ifdef CONFIG_QE_USB - /* Must fixup Par IO before QE GPIO chips are registered. */ - par_io_config_pin(1, 2, 1, 0, 3, 0); /* USBOE */ - par_io_config_pin(1, 3, 1, 0, 3, 0); /* USBTP */ - par_io_config_pin(1, 8, 1, 0, 1, 0); /* USBTN */ - par_io_config_pin(1, 10, 2, 0, 3, 0); /* USBRXD */ - par_io_config_pin(1, 9, 2, 1, 3, 0); /* USBRP */ - par_io_config_pin(1, 11, 2, 1, 3, 0); /* USBRN */ - par_io_config_pin(2, 20, 2, 0, 1, 0); /* CLK21 */ -#endif /* CONFIG_QE_USB */ - } - - if ((np = of_find_compatible_node(NULL, "network", "ucc_geth")) - != NULL){ - uint svid; - - /* Reset the Ethernet PHY */ -#define BCSR9_GETHRST 0x20 - clrbits8(&bcsr_regs[9], BCSR9_GETHRST); - udelay(1000); - setbits8(&bcsr_regs[9], BCSR9_GETHRST); - - /* handle mpc8360ea rev.2.1 erratum 2: RGMII Timing */ - svid = mfspr(SPRN_SVR); - if (svid == 0x80480021) { - void __iomem *immap; - - immap = ioremap(get_immrbase() + 0x14a8, 8); - - /* - * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2) - * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1) - */ - setbits32(immap, 0x0c003000); - - /* - * IMMR + 0x14AC[20:27] = 10101010 - * (data delay for both UCC's) - */ - clrsetbits_be32(immap + 4, 0xff0, 0xaa0); - - iounmap(immap); - } - - iounmap(bcsr_regs); - of_node_put(np); - } -#endif /* CONFIG_QUICC_ENGINE */ -} - -machine_device_initcall(mpc836x_mds, mpc83xx_declare_of_platform_devices); - -#ifdef CONFIG_QE_USB -static int __init mpc836x_usb_cfg(void) -{ - u8 __iomem *bcsr; - struct device_node *np; - const char *mode; - int ret = 0; - - np = of_find_compatible_node(NULL, NULL, "fsl,mpc8360mds-bcsr"); - if (!np) - return -ENODEV; - - bcsr = of_iomap(np, 0); - of_node_put(np); - if (!bcsr) - return -ENOMEM; - - np = of_find_compatible_node(NULL, NULL, "fsl,mpc8323-qe-usb"); - if (!np) { - ret = -ENODEV; - goto err; - } - -#define BCSR8_TSEC1M_MASK (0x3 << 6) -#define BCSR8_TSEC1M_RGMII (0x0 << 6) -#define BCSR8_TSEC2M_MASK (0x3 << 4) -#define BCSR8_TSEC2M_RGMII (0x0 << 4) - /* - * Default is GMII (2), but we should set it to RGMII (0) if we use - * USB (Eth PHY is in RGMII mode anyway). - */ - clrsetbits_8(&bcsr[8], BCSR8_TSEC1M_MASK | BCSR8_TSEC2M_MASK, - BCSR8_TSEC1M_RGMII | BCSR8_TSEC2M_RGMII); - -#define BCSR13_USBMASK 0x0f -#define BCSR13_nUSBEN 0x08 /* 1 - Disable, 0 - Enable */ -#define BCSR13_USBSPEED 0x04 /* 1 - Full, 0 - Low */ -#define BCSR13_USBMODE 0x02 /* 1 - Host, 0 - Function */ -#define BCSR13_nUSBVCC 0x01 /* 1 - gets VBUS, 0 - supplies VBUS */ - - clrsetbits_8(&bcsr[13], BCSR13_USBMASK, BCSR13_USBSPEED); - - mode = of_get_property(np, "mode", NULL); - if (mode && !strcmp(mode, "peripheral")) { - setbits8(&bcsr[13], BCSR13_nUSBVCC); - qe_usb_clock_set(QE_CLK21, 48000000); - } else { - setbits8(&bcsr[13], BCSR13_USBMODE); - } - - of_node_put(np); -err: - iounmap(bcsr); - return ret; -} -machine_arch_initcall(mpc836x_mds, mpc836x_usb_cfg); -#endif /* CONFIG_QE_USB */ - -/* - * Called very early, MMU is off, device-tree isn't unflattened - */ -static int __init mpc836x_mds_probe(void) -{ - return of_machine_is_compatible("MPC836xMDS"); -} - -define_machine(mpc836x_mds) { - .name = "MPC836x MDS", - .probe = mpc836x_mds_probe, - .setup_arch = mpc836x_mds_setup_arch, - .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ, - .get_irq = ipic_get_irq, - .restart = mpc83xx_restart, - .time_init = mpc83xx_time_init, - .calibrate_decr = generic_calibrate_decr, - .progress = udbg_progress, -}; |