diff options
author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-06-14 06:41:38 +0000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-07-05 02:06:37 +1000 |
commit | 4128a89ac80d3714babde5b2811ffd058b09c229 (patch) | |
tree | f123fa688531a38236c8675ad712b37f6531523b /arch/powerpc/sysdev | |
parent | 22e9c88d486a0536d337d6e0973968be0a4cd4b2 (diff) |
powerpc/8xx: move CPM1 related files from sysdev/ to platforms/8xx
Only 8xx selects CPM1 and related CONFIG options are already
in platforms/8xx/Kconfig
Move the related C files to platforms/8xx/.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Minor formatting fixes]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/Makefile | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/cpm1.c | 788 | ||||
-rw-r--r-- | arch/powerpc/sysdev/micropatch.c | 749 |
3 files changed, 0 insertions, 1539 deletions
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index aaf23283ba0c..9d73dfddf060 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -37,12 +37,10 @@ obj-$(CONFIG_XILINX_PCI) += xilinx_pci.o obj-$(CONFIG_OF_RTC) += of_rtc.o obj-$(CONFIG_CPM) += cpm_common.o -obj-$(CONFIG_CPM1) += cpm1.o obj-$(CONFIG_CPM2) += cpm2.o cpm2_pic.o cpm_gpio.o obj-$(CONFIG_8xx_GPIO) += cpm_gpio.o obj-$(CONFIG_QUICC_ENGINE) += cpm_common.o obj-$(CONFIG_PPC_DCR) += dcr.o -obj-$(CONFIG_UCODE_PATCH) += micropatch.o obj-$(CONFIG_PPC_MPC512x) += mpc5xxx_clocks.o obj-$(CONFIG_PPC_MPC52xx) += mpc5xxx_clocks.o diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c deleted file mode 100644 index 4f8dcf124828..000000000000 --- a/arch/powerpc/sysdev/cpm1.c +++ /dev/null @@ -1,788 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * General Purpose functions for the global management of the - * Communication Processor Module. - * Copyright (c) 1997 Dan error_act (dmalek@jlc.net) - * - * In addition to the individual control of the communication - * channels, there are a few functions that globally affect the - * communication processor. - * - * Buffer descriptors must be allocated from the dual ported memory - * space. The allocator for that is here. When the communication - * process is reset, we reclaim the memory available. There is - * currently no deallocator for this memory. - * The amount of space available is platform dependent. On the - * MBX, the EPPC software loads additional microcode into the - * communication processor, and uses some of the DP ram for this - * purpose. Current, the first 512 bytes and the last 256 bytes of - * memory are used. Right now I am conservative and only use the - * memory that can never be used for microcode. If there are - * applications that require more DP ram, we can expand the boundaries - * but then we have to be careful of any downloaded microcode. - */ -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/dma-mapping.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/module.h> -#include <linux/spinlock.h> -#include <linux/slab.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/8xx_immap.h> -#include <asm/cpm1.h> -#include <asm/io.h> -#include <asm/rheap.h> -#include <asm/prom.h> -#include <asm/cpm.h> - -#include <asm/fs_pd.h> - -#ifdef CONFIG_8xx_GPIO -#include <linux/of_gpio.h> -#endif - -#define CPM_MAP_SIZE (0x4000) - -cpm8xx_t __iomem *cpmp; /* Pointer to comm processor space */ -immap_t __iomem *mpc8xx_immr; -static cpic8xx_t __iomem *cpic_reg; - -static struct irq_domain *cpm_pic_host; - -static void cpm_mask_irq(struct irq_data *d) -{ - unsigned int cpm_vec = (unsigned int)irqd_to_hwirq(d); - - clrbits32(&cpic_reg->cpic_cimr, (1 << cpm_vec)); -} - -static void cpm_unmask_irq(struct irq_data *d) -{ - unsigned int cpm_vec = (unsigned int)irqd_to_hwirq(d); - - setbits32(&cpic_reg->cpic_cimr, (1 << cpm_vec)); -} - -static void cpm_end_irq(struct irq_data *d) -{ - unsigned int cpm_vec = (unsigned int)irqd_to_hwirq(d); - - out_be32(&cpic_reg->cpic_cisr, (1 << cpm_vec)); -} - -static struct irq_chip cpm_pic = { - .name = "CPM PIC", - .irq_mask = cpm_mask_irq, - .irq_unmask = cpm_unmask_irq, - .irq_eoi = cpm_end_irq, -}; - -int cpm_get_irq(void) -{ - int cpm_vec; - - /* Get the vector by setting the ACK bit and then reading - * the register. - */ - out_be16(&cpic_reg->cpic_civr, 1); - cpm_vec = in_be16(&cpic_reg->cpic_civr); - cpm_vec >>= 11; - - return irq_linear_revmap(cpm_pic_host, cpm_vec); -} - -static int cpm_pic_host_map(struct irq_domain *h, unsigned int virq, - irq_hw_number_t hw) -{ - pr_debug("cpm_pic_host_map(%d, 0x%lx)\n", virq, hw); - - irq_set_status_flags(virq, IRQ_LEVEL); - irq_set_chip_and_handler(virq, &cpm_pic, handle_fasteoi_irq); - return 0; -} - -/* The CPM can generate the error interrupt when there is a race condition - * between generating and masking interrupts. All we have to do is ACK it - * and return. This is a no-op function so we don't need any special - * tests in the interrupt handler. - */ -static irqreturn_t cpm_error_interrupt(int irq, void *dev) -{ - return IRQ_HANDLED; -} - -static struct irqaction cpm_error_irqaction = { - .handler = cpm_error_interrupt, - .flags = IRQF_NO_THREAD, - .name = "error", -}; - -static const struct irq_domain_ops cpm_pic_host_ops = { - .map = cpm_pic_host_map, -}; - -unsigned int cpm_pic_init(void) -{ - struct device_node *np = NULL; - struct resource res; - unsigned int sirq = 0, hwirq, eirq; - int ret; - - pr_debug("cpm_pic_init\n"); - - np = of_find_compatible_node(NULL, NULL, "fsl,cpm1-pic"); - if (np == NULL) - np = of_find_compatible_node(NULL, "cpm-pic", "CPM"); - if (np == NULL) { - printk(KERN_ERR "CPM PIC init: can not find cpm-pic node\n"); - return sirq; - } - - ret = of_address_to_resource(np, 0, &res); - if (ret) - goto end; - - cpic_reg = ioremap(res.start, resource_size(&res)); - if (cpic_reg == NULL) - goto end; - - sirq = irq_of_parse_and_map(np, 0); - if (!sirq) - goto end; - - /* Initialize the CPM interrupt controller. */ - hwirq = (unsigned int)virq_to_hw(sirq); - out_be32(&cpic_reg->cpic_cicr, - (CICR_SCD_SCC4 | CICR_SCC_SCC3 | CICR_SCB_SCC2 | CICR_SCA_SCC1) | - ((hwirq/2) << 13) | CICR_HP_MASK); - - out_be32(&cpic_reg->cpic_cimr, 0); - - cpm_pic_host = irq_domain_add_linear(np, 64, &cpm_pic_host_ops, NULL); - if (cpm_pic_host == NULL) { - printk(KERN_ERR "CPM2 PIC: failed to allocate irq host!\n"); - sirq = 0; - goto end; - } - - /* Install our own error handler. */ - np = of_find_compatible_node(NULL, NULL, "fsl,cpm1"); - if (np == NULL) - np = of_find_node_by_type(NULL, "cpm"); - if (np == NULL) { - printk(KERN_ERR "CPM PIC init: can not find cpm node\n"); - goto end; - } - - eirq = irq_of_parse_and_map(np, 0); - if (!eirq) - goto end; - - if (setup_irq(eirq, &cpm_error_irqaction)) - printk(KERN_ERR "Could not allocate CPM error IRQ!"); - - setbits32(&cpic_reg->cpic_cicr, CICR_IEN); - -end: - of_node_put(np); - return sirq; -} - -void __init cpm_reset(void) -{ - sysconf8xx_t __iomem *siu_conf; - - mpc8xx_immr = ioremap(get_immrbase(), 0x4000); - if (!mpc8xx_immr) { - printk(KERN_CRIT "Could not map IMMR\n"); - return; - } - - cpmp = &mpc8xx_immr->im_cpm; - -#ifndef CONFIG_PPC_EARLY_DEBUG_CPM - /* Perform a reset. - */ - out_be16(&cpmp->cp_cpcr, CPM_CR_RST | CPM_CR_FLG); - - /* Wait for it. - */ - while (in_be16(&cpmp->cp_cpcr) & CPM_CR_FLG); -#endif - -#ifdef CONFIG_UCODE_PATCH - cpm_load_patch(cpmp); -#endif - - /* Set SDMA Bus Request priority 5. - * On 860T, this also enables FEC priority 6. I am not sure - * this is what we really want for some applications, but the - * manual recommends it. - * Bit 25, FAM can also be set to use FEC aggressive mode (860T). - */ - siu_conf = immr_map(im_siu_conf); - if ((mfspr(SPRN_IMMR) & 0xffff) == 0x0900) /* MPC885 */ - out_be32(&siu_conf->sc_sdcr, 0x40); - else - out_be32(&siu_conf->sc_sdcr, 1); - immr_unmap(siu_conf); -} - -static DEFINE_SPINLOCK(cmd_lock); - -#define MAX_CR_CMD_LOOPS 10000 - -int cpm_command(u32 command, u8 opcode) -{ - int i, ret; - unsigned long flags; - - if (command & 0xffffff0f) - return -EINVAL; - - spin_lock_irqsave(&cmd_lock, flags); - - ret = 0; - out_be16(&cpmp->cp_cpcr, command | CPM_CR_FLG | (opcode << 8)); - for (i = 0; i < MAX_CR_CMD_LOOPS; i++) - if ((in_be16(&cpmp->cp_cpcr) & CPM_CR_FLG) == 0) - goto out; - - printk(KERN_ERR "%s(): Not able to issue CPM command\n", __func__); - ret = -EIO; -out: - spin_unlock_irqrestore(&cmd_lock, flags); - return ret; -} -EXPORT_SYMBOL(cpm_command); - -/* Set a baud rate generator. This needs lots of work. There are - * four BRGs, any of which can be wired to any channel. - * The internal baud rate clock is the system clock divided by 16. - * This assumes the baudrate is 16x oversampled by the uart. - */ -#define BRG_INT_CLK (get_brgfreq()) -#define BRG_UART_CLK (BRG_INT_CLK/16) -#define BRG_UART_CLK_DIV16 (BRG_UART_CLK/16) - -void -cpm_setbrg(uint brg, uint rate) -{ - u32 __iomem *bp; - - /* This is good enough to get SMCs running..... - */ - bp = &cpmp->cp_brgc1; - bp += brg; - /* The BRG has a 12-bit counter. For really slow baud rates (or - * really fast processors), we may have to further divide by 16. - */ - if (((BRG_UART_CLK / rate) - 1) < 4096) - out_be32(bp, (((BRG_UART_CLK / rate) - 1) << 1) | CPM_BRG_EN); - else - out_be32(bp, (((BRG_UART_CLK_DIV16 / rate) - 1) << 1) | - CPM_BRG_EN | CPM_BRG_DIV16); -} - -struct cpm_ioport16 { - __be16 dir, par, odr_sor, dat, intr; - __be16 res[3]; -}; - -struct cpm_ioport32b { - __be32 dir, par, odr, dat; -}; - -struct cpm_ioport32e { - __be32 dir, par, sor, odr, dat; -}; - -static void cpm1_set_pin32(int port, int pin, int flags) -{ - struct cpm_ioport32e __iomem *iop; - pin = 1 << (31 - pin); - - if (port == CPM_PORTB) - iop = (struct cpm_ioport32e __iomem *) - &mpc8xx_immr->im_cpm.cp_pbdir; - else - iop = (struct cpm_ioport32e __iomem *) - &mpc8xx_immr->im_cpm.cp_pedir; - - if (flags & CPM_PIN_OUTPUT) - setbits32(&iop->dir, pin); - else - clrbits32(&iop->dir, pin); - - if (!(flags & CPM_PIN_GPIO)) - setbits32(&iop->par, pin); - else - clrbits32(&iop->par, pin); - - if (port == CPM_PORTB) { - if (flags & CPM_PIN_OPENDRAIN) - setbits16(&mpc8xx_immr->im_cpm.cp_pbodr, pin); - else - clrbits16(&mpc8xx_immr->im_cpm.cp_pbodr, pin); - } - - if (port == CPM_PORTE) { - if (flags & CPM_PIN_SECONDARY) - setbits32(&iop->sor, pin); - else - clrbits32(&iop->sor, pin); - - if (flags & CPM_PIN_OPENDRAIN) - setbits32(&mpc8xx_immr->im_cpm.cp_peodr, pin); - else - clrbits32(&mpc8xx_immr->im_cpm.cp_peodr, pin); - } -} - -static void cpm1_set_pin16(int port, int pin, int flags) -{ - struct cpm_ioport16 __iomem *iop = - (struct cpm_ioport16 __iomem *)&mpc8xx_immr->im_ioport; - - pin = 1 << (15 - pin); - - if (port != 0) - iop += port - 1; - - if (flags & CPM_PIN_OUTPUT) - setbits16(&iop->dir, pin); - else - clrbits16(&iop->dir, pin); - - if (!(flags & CPM_PIN_GPIO)) - setbits16(&iop->par, pin); - else - clrbits16(&iop->par, pin); - - if (port == CPM_PORTA) { - if (flags & CPM_PIN_OPENDRAIN) - setbits16(&iop->odr_sor, pin); - else - clrbits16(&iop->odr_sor, pin); - } - if (port == CPM_PORTC) { - if (flags & CPM_PIN_SECONDARY) - setbits16(&iop->odr_sor, pin); - else - clrbits16(&iop->odr_sor, pin); - if (flags & CPM_PIN_FALLEDGE) - setbits16(&iop->intr, pin); - else - clrbits16(&iop->intr, pin); - } -} - -void cpm1_set_pin(enum cpm_port port, int pin, int flags) -{ - if (port == CPM_PORTB || port == CPM_PORTE) - cpm1_set_pin32(port, pin, flags); - else - cpm1_set_pin16(port, pin, flags); -} - -int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode) -{ - int shift; - int i, bits = 0; - u32 __iomem *reg; - u32 mask = 7; - - u8 clk_map[][3] = { - {CPM_CLK_SCC1, CPM_BRG1, 0}, - {CPM_CLK_SCC1, CPM_BRG2, 1}, - {CPM_CLK_SCC1, CPM_BRG3, 2}, - {CPM_CLK_SCC1, CPM_BRG4, 3}, - {CPM_CLK_SCC1, CPM_CLK1, 4}, - {CPM_CLK_SCC1, CPM_CLK2, 5}, - {CPM_CLK_SCC1, CPM_CLK3, 6}, - {CPM_CLK_SCC1, CPM_CLK4, 7}, - - {CPM_CLK_SCC2, CPM_BRG1, 0}, - {CPM_CLK_SCC2, CPM_BRG2, 1}, - {CPM_CLK_SCC2, CPM_BRG3, 2}, - {CPM_CLK_SCC2, CPM_BRG4, 3}, - {CPM_CLK_SCC2, CPM_CLK1, 4}, - {CPM_CLK_SCC2, CPM_CLK2, 5}, - {CPM_CLK_SCC2, CPM_CLK3, 6}, - {CPM_CLK_SCC2, CPM_CLK4, 7}, - - {CPM_CLK_SCC3, CPM_BRG1, 0}, - {CPM_CLK_SCC3, CPM_BRG2, 1}, - {CPM_CLK_SCC3, CPM_BRG3, 2}, - {CPM_CLK_SCC3, CPM_BRG4, 3}, - {CPM_CLK_SCC3, CPM_CLK5, 4}, - {CPM_CLK_SCC3, CPM_CLK6, 5}, - {CPM_CLK_SCC3, CPM_CLK7, 6}, - {CPM_CLK_SCC3, CPM_CLK8, 7}, - - {CPM_CLK_SCC4, CPM_BRG1, 0}, - {CPM_CLK_SCC4, CPM_BRG2, 1}, - {CPM_CLK_SCC4, CPM_BRG3, 2}, - {CPM_CLK_SCC4, CPM_BRG4, 3}, - {CPM_CLK_SCC4, CPM_CLK5, 4}, - {CPM_CLK_SCC4, CPM_CLK6, 5}, - {CPM_CLK_SCC4, CPM_CLK7, 6}, - {CPM_CLK_SCC4, CPM_CLK8, 7}, - - {CPM_CLK_SMC1, CPM_BRG1, 0}, - {CPM_CLK_SMC1, CPM_BRG2, 1}, - {CPM_CLK_SMC1, CPM_BRG3, 2}, - {CPM_CLK_SMC1, CPM_BRG4, 3}, - {CPM_CLK_SMC1, CPM_CLK1, 4}, - {CPM_CLK_SMC1, CPM_CLK2, 5}, - {CPM_CLK_SMC1, CPM_CLK3, 6}, - {CPM_CLK_SMC1, CPM_CLK4, 7}, - - {CPM_CLK_SMC2, CPM_BRG1, 0}, - {CPM_CLK_SMC2, CPM_BRG2, 1}, - {CPM_CLK_SMC2, CPM_BRG3, 2}, - {CPM_CLK_SMC2, CPM_BRG4, 3}, - {CPM_CLK_SMC2, CPM_CLK5, 4}, - {CPM_CLK_SMC2, CPM_CLK6, 5}, - {CPM_CLK_SMC2, CPM_CLK7, 6}, - {CPM_CLK_SMC2, CPM_CLK8, 7}, - }; - - switch (target) { - case CPM_CLK_SCC1: - reg = &mpc8xx_immr->im_cpm.cp_sicr; - shift = 0; - break; - - case CPM_CLK_SCC2: - reg = &mpc8xx_immr->im_cpm.cp_sicr; - shift = 8; - break; - - case CPM_CLK_SCC3: - reg = &mpc8xx_immr->im_cpm.cp_sicr; - shift = 16; - break; - - case CPM_CLK_SCC4: - reg = &mpc8xx_immr->im_cpm.cp_sicr; - shift = 24; - break; - - case CPM_CLK_SMC1: - reg = &mpc8xx_immr->im_cpm.cp_simode; - shift = 12; - break; - - case CPM_CLK_SMC2: - reg = &mpc8xx_immr->im_cpm.cp_simode; - shift = 28; - break; - - default: - printk(KERN_ERR "cpm1_clock_setup: invalid clock target\n"); - return -EINVAL; - } - - for (i = 0; i < ARRAY_SIZE(clk_map); i++) { - if (clk_map[i][0] == target && clk_map[i][1] == clock) { - bits = clk_map[i][2]; - break; - } - } - - if (i == ARRAY_SIZE(clk_map)) { - printk(KERN_ERR "cpm1_clock_setup: invalid clock combination\n"); - return -EINVAL; - } - - bits <<= shift; - mask <<= shift; - - if (reg == &mpc8xx_immr->im_cpm.cp_sicr) { - if (mode == CPM_CLK_RTX) { - bits |= bits << 3; - mask |= mask << 3; - } else if (mode == CPM_CLK_RX) { - bits <<= 3; - mask <<= 3; - } - } - - out_be32(reg, (in_be32(reg) & ~mask) | bits); - - return 0; -} - -/* - * GPIO LIB API implementation - */ -#ifdef CONFIG_8xx_GPIO - -struct cpm1_gpio16_chip { - struct of_mm_gpio_chip mm_gc; - spinlock_t lock; - - /* shadowed data register to clear/set bits safely */ - u16 cpdata; - - /* IRQ associated with Pins when relevant */ - int irq[16]; -}; - -static void cpm1_gpio16_save_regs(struct of_mm_gpio_chip *mm_gc) -{ - struct cpm1_gpio16_chip *cpm1_gc = - container_of(mm_gc, struct cpm1_gpio16_chip, mm_gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; - - cpm1_gc->cpdata = in_be16(&iop->dat); -} - -static int cpm1_gpio16_get(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; - u16 pin_mask; - - pin_mask = 1 << (15 - gpio); - - return !!(in_be16(&iop->dat) & pin_mask); -} - -static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask, - int value) -{ - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; - - if (value) - cpm1_gc->cpdata |= pin_mask; - else - cpm1_gc->cpdata &= ~pin_mask; - - out_be16(&iop->dat, cpm1_gc->cpdata); -} - -static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - unsigned long flags; - u16 pin_mask = 1 << (15 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); - - __cpm1_gpio16_set(mm_gc, pin_mask, value); - - spin_unlock_irqrestore(&cpm1_gc->lock, flags); -} - -static int cpm1_gpio16_to_irq(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - - return cpm1_gc->irq[gpio] ? : -ENXIO; -} - -static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; - unsigned long flags; - u16 pin_mask = 1 << (15 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); - - setbits16(&iop->dir, pin_mask); - __cpm1_gpio16_set(mm_gc, pin_mask, val); - - spin_unlock_irqrestore(&cpm1_gc->lock, flags); - - return 0; -} - -static int cpm1_gpio16_dir_in(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; - unsigned long flags; - u16 pin_mask = 1 << (15 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); - - clrbits16(&iop->dir, pin_mask); - - spin_unlock_irqrestore(&cpm1_gc->lock, flags); - - return 0; -} - -int cpm1_gpiochip_add16(struct device *dev) -{ - struct device_node *np = dev->of_node; - struct cpm1_gpio16_chip *cpm1_gc; - struct of_mm_gpio_chip *mm_gc; - struct gpio_chip *gc; - u16 mask; - - cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL); - if (!cpm1_gc) - return -ENOMEM; - - spin_lock_init(&cpm1_gc->lock); - - if (!of_property_read_u16(np, "fsl,cpm1-gpio-irq-mask", &mask)) { - int i, j; - - for (i = 0, j = 0; i < 16; i++) - if (mask & (1 << (15 - i))) - cpm1_gc->irq[i] = irq_of_parse_and_map(np, j++); - } - - mm_gc = &cpm1_gc->mm_gc; - gc = &mm_gc->gc; - - mm_gc->save_regs = cpm1_gpio16_save_regs; - gc->ngpio = 16; - gc->direction_input = cpm1_gpio16_dir_in; - gc->direction_output = cpm1_gpio16_dir_out; - gc->get = cpm1_gpio16_get; - gc->set = cpm1_gpio16_set; - gc->to_irq = cpm1_gpio16_to_irq; - gc->parent = dev; - gc->owner = THIS_MODULE; - - return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc); -} - -struct cpm1_gpio32_chip { - struct of_mm_gpio_chip mm_gc; - spinlock_t lock; - - /* shadowed data register to clear/set bits safely */ - u32 cpdata; -}; - -static void cpm1_gpio32_save_regs(struct of_mm_gpio_chip *mm_gc) -{ - struct cpm1_gpio32_chip *cpm1_gc = - container_of(mm_gc, struct cpm1_gpio32_chip, mm_gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; - - cpm1_gc->cpdata = in_be32(&iop->dat); -} - -static int cpm1_gpio32_get(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; - u32 pin_mask; - - pin_mask = 1 << (31 - gpio); - - return !!(in_be32(&iop->dat) & pin_mask); -} - -static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask, - int value) -{ - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; - - if (value) - cpm1_gc->cpdata |= pin_mask; - else - cpm1_gc->cpdata &= ~pin_mask; - - out_be32(&iop->dat, cpm1_gc->cpdata); -} - -static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - unsigned long flags; - u32 pin_mask = 1 << (31 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); - - __cpm1_gpio32_set(mm_gc, pin_mask, value); - - spin_unlock_irqrestore(&cpm1_gc->lock, flags); -} - -static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; - unsigned long flags; - u32 pin_mask = 1 << (31 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); - - setbits32(&iop->dir, pin_mask); - __cpm1_gpio32_set(mm_gc, pin_mask, val); - - spin_unlock_irqrestore(&cpm1_gc->lock, flags); - - return 0; -} - -static int cpm1_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; - unsigned long flags; - u32 pin_mask = 1 << (31 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); - - clrbits32(&iop->dir, pin_mask); - - spin_unlock_irqrestore(&cpm1_gc->lock, flags); - - return 0; -} - -int cpm1_gpiochip_add32(struct device *dev) -{ - struct device_node *np = dev->of_node; - struct cpm1_gpio32_chip *cpm1_gc; - struct of_mm_gpio_chip *mm_gc; - struct gpio_chip *gc; - - cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL); - if (!cpm1_gc) - return -ENOMEM; - - spin_lock_init(&cpm1_gc->lock); - - mm_gc = &cpm1_gc->mm_gc; - gc = &mm_gc->gc; - - mm_gc->save_regs = cpm1_gpio32_save_regs; - gc->ngpio = 32; - gc->direction_input = cpm1_gpio32_dir_in; - gc->direction_output = cpm1_gpio32_dir_out; - gc->get = cpm1_gpio32_get; - gc->set = cpm1_gpio32_set; - gc->parent = dev; - gc->owner = THIS_MODULE; - - return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc); -} - -#endif /* CONFIG_8xx_GPIO */ diff --git a/arch/powerpc/sysdev/micropatch.c b/arch/powerpc/sysdev/micropatch.c deleted file mode 100644 index 33a9042fca80..000000000000 --- a/arch/powerpc/sysdev/micropatch.c +++ /dev/null @@ -1,749 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* Microcode patches for the CPM as supplied by Motorola. - * This is the one for IIC/SPI. There is a newer one that - * also relocates SMC2, but this would require additional changes - * to uart.c, so I am holding off on that for a moment. - */ -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <asm/irq.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/8xx_immap.h> -#include <asm/cpm.h> -#include <asm/cpm1.h> - -/* - * I2C/SPI relocation patch arrays. - */ - -#ifdef CONFIG_I2C_SPI_UCODE_PATCH - -static uint patch_2000[] __initdata = { - 0x7FFFEFD9, - 0x3FFD0000, - 0x7FFB49F7, - 0x7FF90000, - 0x5FEFADF7, - 0x5F89ADF7, - 0x5FEFAFF7, - 0x5F89AFF7, - 0x3A9CFBC8, - 0xE7C0EDF0, - 0x77C1E1BB, - 0xF4DC7F1D, - 0xABAD932F, - 0x4E08FDCF, - 0x6E0FAFF8, - 0x7CCF76CF, - 0xFD1FF9CF, - 0xABF88DC6, - 0xAB5679F7, - 0xB0937383, - 0xDFCE79F7, - 0xB091E6BB, - 0xE5BBE74F, - 0xB3FA6F0F, - 0x6FFB76CE, - 0xEE0DF9CF, - 0x2BFBEFEF, - 0xCFEEF9CF, - 0x76CEAD24, - 0x90B2DF9A, - 0x7FDDD0BF, - 0x4BF847FD, - 0x7CCF76CE, - 0xCFEF7E1F, - 0x7F1D7DFD, - 0xF0B6EF71, - 0x7FC177C1, - 0xFBC86079, - 0xE722FBC8, - 0x5FFFDFFF, - 0x5FB2FFFB, - 0xFBC8F3C8, - 0x94A67F01, - 0x7F1D5F39, - 0xAFE85F5E, - 0xFFDFDF96, - 0xCB9FAF7D, - 0x5FC1AFED, - 0x8C1C5FC1, - 0xAFDD5FC3, - 0xDF9A7EFD, - 0xB0B25FB2, - 0xFFFEABAD, - 0x5FB2FFFE, - 0x5FCE600B, - 0xE6BB600B, - 0x5FCEDFC6, - 0x27FBEFDF, - 0x5FC8CFDE, - 0x3A9CE7C0, - 0xEDF0F3C8, - 0x7F0154CD, - 0x7F1D2D3D, - 0x363A7570, - 0x7E0AF1CE, - 0x37EF2E68, - 0x7FEE10EC, - 0xADF8EFDE, - 0xCFEAE52F, - 0x7D0FE12B, - 0xF1CE5F65, - 0x7E0A4DF8, - 0xCFEA5F72, - 0x7D0BEFEE, - 0xCFEA5F74, - 0xE522EFDE, - 0x5F74CFDA, - 0x0B627385, - 0xDF627E0A, - 0x30D8145B, - 0xBFFFF3C8, - 0x5FFFDFFF, - 0xA7F85F5E, - 0xBFFE7F7D, - 0x10D31450, - 0x5F36BFFF, - 0xAF785F5E, - 0xBFFDA7F8, - 0x5F36BFFE, - 0x77FD30C0, - 0x4E08FDCF, - 0xE5FF6E0F, - 0xAFF87E1F, - 0x7E0FFD1F, - 0xF1CF5F1B, - 0xABF80D5E, - 0x5F5EFFEF, - 0x79F730A2, - 0xAFDD5F34, - 0x47F85F34, - 0xAFED7FDD, - 0x50B24978, - 0x47FD7F1D, - 0x7DFD70AD, - 0xEF717EC1, - 0x6BA47F01, - 0x2D267EFD, - 0x30DE5F5E, - 0xFFFD5F5E, - 0xFFEF5F5E, - 0xFFDF0CA0, - 0xAFED0A9E, - 0xAFDD0C3A, - 0x5F3AAFBD, - 0x7FBDB082, - 0x5F8247F8 -}; - -static uint patch_2f00[] __initdata = { - 0x3E303430, - 0x34343737, - 0xABF7BF9B, - 0x994B4FBD, - 0xBD599493, - 0x349FFF37, - 0xFB9B177D, - 0xD9936956, - 0xBBFDD697, - 0xBDD2FD11, - 0x31DB9BB3, - 0x63139637, - 0x93733693, - 0x193137F7, - 0x331737AF, - 0x7BB9B999, - 0xBB197957, - 0x7FDFD3D5, - 0x73B773F7, - 0x37933B99, - 0x1D115316, - 0x99315315, - 0x31694BF4, - 0xFBDBD359, - 0x31497353, - 0x76956D69, - 0x7B9D9693, - 0x13131979, - 0x79376935 -}; -#endif - -/* - * I2C/SPI/SMC1 relocation patch arrays. - */ - -#ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH - -static uint patch_2000[] __initdata = { - 0x3fff0000, - 0x3ffd0000, - 0x3ffb0000, - 0x3ff90000, - 0x5f13eff8, - 0x5eb5eff8, - 0x5f88adf7, - 0x5fefadf7, - 0x3a9cfbc8, - 0x77cae1bb, - 0xf4de7fad, - 0xabae9330, - 0x4e08fdcf, - 0x6e0faff8, - 0x7ccf76cf, - 0xfdaff9cf, - 0xabf88dc8, - 0xab5879f7, - 0xb0925d8d, - 0xdfd079f7, - 0xb090e6bb, - 0xe5bbe74f, - 0x9e046f0f, - 0x6ffb76ce, - 0xee0cf9cf, - 0x2bfbefef, - 0xcfeef9cf, - 0x76cead23, - 0x90b3df99, - 0x7fddd0c1, - 0x4bf847fd, - 0x7ccf76ce, - 0xcfef77ca, - 0x7eaf7fad, - 0x7dfdf0b7, - 0xef7a7fca, - 0x77cafbc8, - 0x6079e722, - 0xfbc85fff, - 0xdfff5fb3, - 0xfffbfbc8, - 0xf3c894a5, - 0xe7c9edf9, - 0x7f9a7fad, - 0x5f36afe8, - 0x5f5bffdf, - 0xdf95cb9e, - 0xaf7d5fc3, - 0xafed8c1b, - 0x5fc3afdd, - 0x5fc5df99, - 0x7efdb0b3, - 0x5fb3fffe, - 0xabae5fb3, - 0xfffe5fd0, - 0x600be6bb, - 0x600b5fd0, - 0xdfc827fb, - 0xefdf5fca, - 0xcfde3a9c, - 0xe7c9edf9, - 0xf3c87f9e, - 0x54ca7fed, - 0x2d3a3637, - 0x756f7e9a, - 0xf1ce37ef, - 0x2e677fee, - 0x10ebadf8, - 0xefdecfea, - 0xe52f7d9f, - 0xe12bf1ce, - 0x5f647e9a, - 0x4df8cfea, - 0x5f717d9b, - 0xefeecfea, - 0x5f73e522, - 0xefde5f73, - 0xcfda0b61, - 0x5d8fdf61, - 0xe7c9edf9, - 0x7e9a30d5, - 0x1458bfff, - 0xf3c85fff, - 0xdfffa7f8, - 0x5f5bbffe, - 0x7f7d10d0, - 0x144d5f33, - 0xbfffaf78, - 0x5f5bbffd, - 0xa7f85f33, - 0xbffe77fd, - 0x30bd4e08, - 0xfdcfe5ff, - 0x6e0faff8, - 0x7eef7e9f, - 0xfdeff1cf, - 0x5f17abf8, - 0x0d5b5f5b, - 0xffef79f7, - 0x309eafdd, - 0x5f3147f8, - 0x5f31afed, - 0x7fdd50af, - 0x497847fd, - 0x7f9e7fed, - 0x7dfd70a9, - 0xef7e7ece, - 0x6ba07f9e, - 0x2d227efd, - 0x30db5f5b, - 0xfffd5f5b, - 0xffef5f5b, - 0xffdf0c9c, - 0xafed0a9a, - 0xafdd0c37, - 0x5f37afbd, - 0x7fbdb081, - 0x5f8147f8, - 0x3a11e710, - 0xedf0ccdd, - 0xf3186d0a, - 0x7f0e5f06, - 0x7fedbb38, - 0x3afe7468, - 0x7fedf4fc, - 0x8ffbb951, - 0xb85f77fd, - 0xb0df5ddd, - 0xdefe7fed, - 0x90e1e74d, - 0x6f0dcbf7, - 0xe7decfed, - 0xcb74cfed, - 0xcfeddf6d, - 0x91714f74, - 0x5dd2deef, - 0x9e04e7df, - 0xefbb6ffb, - 0xe7ef7f0e, - 0x9e097fed, - 0xebdbeffa, - 0xeb54affb, - 0x7fea90d7, - 0x7e0cf0c3, - 0xbffff318, - 0x5fffdfff, - 0xac59efea, - 0x7fce1ee5, - 0xe2ff5ee1, - 0xaffbe2ff, - 0x5ee3affb, - 0xf9cc7d0f, - 0xaef8770f, - 0x7d0fb0c6, - 0xeffbbfff, - 0xcfef5ede, - 0x7d0fbfff, - 0x5ede4cf8, - 0x7fddd0bf, - 0x49f847fd, - 0x7efdf0bb, - 0x7fedfffd, - 0x7dfdf0b7, - 0xef7e7e1e, - 0x5ede7f0e, - 0x3a11e710, - 0xedf0ccab, - 0xfb18ad2e, - 0x1ea9bbb8, - 0x74283b7e, - 0x73c2e4bb, - 0x2ada4fb8, - 0xdc21e4bb, - 0xb2a1ffbf, - 0x5e2c43f8, - 0xfc87e1bb, - 0xe74ffd91, - 0x6f0f4fe8, - 0xc7ba32e2, - 0xf396efeb, - 0x600b4f78, - 0xe5bb760b, - 0x53acaef8, - 0x4ef88b0e, - 0xcfef9e09, - 0xabf8751f, - 0xefef5bac, - 0x741f4fe8, - 0x751e760d, - 0x7fdbf081, - 0x741cafce, - 0xefcc7fce, - 0x751e70ac, - 0x741ce7bb, - 0x3372cfed, - 0xafdbefeb, - 0xe5bb760b, - 0x53f2aef8, - 0xafe8e7eb, - 0x4bf8771e, - 0x7e247fed, - 0x4fcbe2cc, - 0x7fbc30a9, - 0x7b0f7a0f, - 0x34d577fd, - 0x308b5db7, - 0xde553e5f, - 0xaf78741f, - 0x741f30f0, - 0xcfef5e2c, - 0x741f3eac, - 0xafb8771e, - 0x5e677fed, - 0x0bd3e2cc, - 0x741ccfec, - 0xe5ca53cd, - 0x6fcb4f74, - 0x5dadde4b, - 0x2ab63d38, - 0x4bb3de30, - 0x751f741c, - 0x6c42effa, - 0xefea7fce, - 0x6ffc30be, - 0xefec3fca, - 0x30b3de2e, - 0xadf85d9e, - 0xaf7daefd, - 0x5d9ede2e, - 0x5d9eafdd, - 0x761f10ac, - 0x1da07efd, - 0x30adfffe, - 0x4908fb18, - 0x5fffdfff, - 0xafbb709b, - 0x4ef85e67, - 0xadf814ad, - 0x7a0f70ad, - 0xcfef50ad, - 0x7a0fde30, - 0x5da0afed, - 0x3c12780f, - 0xefef780f, - 0xefef790f, - 0xa7f85e0f, - 0xffef790f, - 0xefef790f, - 0x14adde2e, - 0x5d9eadfd, - 0x5e2dfffb, - 0xe79addfd, - 0xeff96079, - 0x607ae79a, - 0xddfceff9, - 0x60795dff, - 0x607acfef, - 0xefefefdf, - 0xefbfef7f, - 0xeeffedff, - 0xebffe7ff, - 0xafefafdf, - 0xafbfaf7f, - 0xaeffadff, - 0xabffa7ff, - 0x6fef6fdf, - 0x6fbf6f7f, - 0x6eff6dff, - 0x6bff67ff, - 0x2fef2fdf, - 0x2fbf2f7f, - 0x2eff2dff, - 0x2bff27ff, - 0x4e08fd1f, - 0xe5ff6e0f, - 0xaff87eef, - 0x7e0ffdef, - 0xf11f6079, - 0xabf8f542, - 0x7e0af11c, - 0x37cfae3a, - 0x7fec90be, - 0xadf8efdc, - 0xcfeae52f, - 0x7d0fe12b, - 0xf11c6079, - 0x7e0a4df8, - 0xcfea5dc4, - 0x7d0befec, - 0xcfea5dc6, - 0xe522efdc, - 0x5dc6cfda, - 0x4e08fd1f, - 0x6e0faff8, - 0x7c1f761f, - 0xfdeff91f, - 0x6079abf8, - 0x761cee24, - 0xf91f2bfb, - 0xefefcfec, - 0xf91f6079, - 0x761c27fb, - 0xefdf5da7, - 0xcfdc7fdd, - 0xd09c4bf8, - 0x47fd7c1f, - 0x761ccfcf, - 0x7eef7fed, - 0x7dfdf093, - 0xef7e7f1e, - 0x771efb18, - 0x6079e722, - 0xe6bbe5bb, - 0xae0ae5bb, - 0x600bae85, - 0xe2bbe2bb, - 0xe2bbe2bb, - 0xaf02e2bb, - 0xe2bb2ff9, - 0x6079e2bb -}; - -static uint patch_2f00[] __initdata = { - 0x30303030, - 0x3e3e3434, - 0xabbf9b99, - 0x4b4fbdbd, - 0x59949334, - 0x9fff37fb, - 0x9b177dd9, - 0x936956bb, - 0xfbdd697b, - 0xdd2fd113, - 0x1db9f7bb, - 0x36313963, - 0x79373369, - 0x3193137f, - 0x7331737a, - 0xf7bb9b99, - 0x9bb19795, - 0x77fdfd3d, - 0x573b773f, - 0x737933f7, - 0xb991d115, - 0x31699315, - 0x31531694, - 0xbf4fbdbd, - 0x35931497, - 0x35376956, - 0xbd697b9d, - 0x96931313, - 0x19797937, - 0x6935af78, - 0xb9b3baa3, - 0xb8788683, - 0x368f78f7, - 0x87778733, - 0x3ffffb3b, - 0x8e8f78b8, - 0x1d118e13, - 0xf3ff3f8b, - 0x6bd8e173, - 0xd1366856, - 0x68d1687b, - 0x3daf78b8, - 0x3a3a3f87, - 0x8f81378f, - 0xf876f887, - 0x77fd8778, - 0x737de8d6, - 0xbbf8bfff, - 0xd8df87f7, - 0xfd876f7b, - 0x8bfff8bd, - 0x8683387d, - 0xb873d87b, - 0x3b8fd7f8, - 0xf7338883, - 0xbb8ee1f8, - 0xef837377, - 0x3337b836, - 0x817d11f8, - 0x7378b878, - 0xd3368b7d, - 0xed731b7d, - 0x833731f3, - 0xf22f3f23 -}; - -static uint patch_2e00[] __initdata = { - 0x27eeeeee, - 0xeeeeeeee, - 0xeeeeeeee, - 0xeeeeeeee, - 0xee4bf4fb, - 0xdbd259bb, - 0x1979577f, - 0xdfd2d573, - 0xb773f737, - 0x4b4fbdbd, - 0x25b9b177, - 0xd2d17376, - 0x956bbfdd, - 0x697bdd2f, - 0xff9f79ff, - 0xff9ff22f -}; -#endif - -/* - * USB SOF patch arrays. - */ - -#ifdef CONFIG_USB_SOF_UCODE_PATCH - -static uint patch_2000[] __initdata = { - 0x7fff0000, - 0x7ffd0000, - 0x7ffb0000, - 0x49f7ba5b, - 0xba383ffb, - 0xf9b8b46d, - 0xe5ab4e07, - 0xaf77bffe, - 0x3f7bbf79, - 0xba5bba38, - 0xe7676076, - 0x60750000 -}; - -static uint patch_2f00[] __initdata = { - 0x3030304c, - 0xcab9e441, - 0xa1aaf220 -}; -#endif - -void __init cpm_load_patch(cpm8xx_t *cp) -{ - volatile uint *dp; /* Dual-ported RAM. */ - volatile cpm8xx_t *commproc; -#if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \ - defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH) - volatile iic_t *iip; - volatile struct spi_pram *spp; -#ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH - volatile smc_uart_t *smp; -#endif -#endif - int i; - - commproc = cp; - -#ifdef CONFIG_USB_SOF_UCODE_PATCH - commproc->cp_rccr = 0; - - dp = (uint *)(commproc->cp_dpmem); - for (i=0; i<(sizeof(patch_2000)/4); i++) - *dp++ = patch_2000[i]; - - dp = (uint *)&(commproc->cp_dpmem[0x0f00]); - for (i=0; i<(sizeof(patch_2f00)/4); i++) - *dp++ = patch_2f00[i]; - - commproc->cp_rccr = 0x0009; - - printk("USB SOF microcode patch installed\n"); -#endif /* CONFIG_USB_SOF_UCODE_PATCH */ - -#if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \ - defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH) - - commproc->cp_rccr = 0; - - dp = (uint *)(commproc->cp_dpmem); - for (i=0; i<(sizeof(patch_2000)/4); i++) - *dp++ = patch_2000[i]; - - dp = (uint *)&(commproc->cp_dpmem[0x0f00]); - for (i=0; i<(sizeof(patch_2f00)/4); i++) - *dp++ = patch_2f00[i]; - - iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC]; -# define RPBASE 0x0500 - iip->iic_rpbase = RPBASE; - - /* Put SPI above the IIC, also 32-byte aligned. - */ - i = (RPBASE + sizeof(iic_t) + 31) & ~31; - spp = (struct spi_pram *)&commproc->cp_dparam[PROFF_SPI]; - spp->rpbase = i; - -# if defined(CONFIG_I2C_SPI_UCODE_PATCH) - commproc->cp_cpmcr1 = 0x802a; - commproc->cp_cpmcr2 = 0x8028; - commproc->cp_cpmcr3 = 0x802e; - commproc->cp_cpmcr4 = 0x802c; - commproc->cp_rccr = 1; - - printk("I2C/SPI microcode patch installed.\n"); -# endif /* CONFIG_I2C_SPI_UCODE_PATCH */ - -# if defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH) - - dp = (uint *)&(commproc->cp_dpmem[0x0e00]); - for (i=0; i<(sizeof(patch_2e00)/4); i++) - *dp++ = patch_2e00[i]; - - commproc->cp_cpmcr1 = 0x8080; - commproc->cp_cpmcr2 = 0x808a; - commproc->cp_cpmcr3 = 0x8028; - commproc->cp_cpmcr4 = 0x802a; - commproc->cp_rccr = 3; - - smp = (smc_uart_t *)&commproc->cp_dparam[PROFF_SMC1]; - smp->smc_rpbase = 0x1FC0; - - printk("I2C/SPI/SMC1 microcode patch installed.\n"); -# endif /* CONFIG_I2C_SPI_SMC1_UCODE_PATCH) */ - -#endif /* some variation of the I2C/SPI patch was selected */ -} - -/* - * Take this entire routine out, since no one calls it and its - * logic is suspect. - */ - -#if 0 -void -verify_patch(volatile immap_t *immr) -{ - volatile uint *dp; - volatile cpm8xx_t *commproc; - int i; - - commproc = (cpm8xx_t *)&immr->im_cpm; - - printk("cp_rccr %x\n", commproc->cp_rccr); - commproc->cp_rccr = 0; - - dp = (uint *)(commproc->cp_dpmem); - for (i=0; i<(sizeof(patch_2000)/4); i++) - if (*dp++ != patch_2000[i]) { - printk("patch_2000 bad at %d\n", i); - dp--; - printk("found 0x%X, wanted 0x%X\n", *dp, patch_2000[i]); - break; - } - - dp = (uint *)&(commproc->cp_dpmem[0x0f00]); - for (i=0; i<(sizeof(patch_2f00)/4); i++) - if (*dp++ != patch_2f00[i]) { - printk("patch_2f00 bad at %d\n", i); - dp--; - printk("found 0x%X, wanted 0x%X\n", *dp, patch_2f00[i]); - break; - } - - commproc->cp_rccr = 0x0009; -} -#endif |