diff options
Diffstat (limited to 'arch/arm/mach-omap1')
29 files changed, 742 insertions, 150 deletions
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index 27f489747bbd..b18d7c28ab7a 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -152,6 +152,16 @@ config MACH_AMS_DELTA Support for the Amstrad E3 (codename Delta) videophone. Say Y here if you have such a device. +config AMS_DELTA_FIQ + bool "Fast Interrupt Request (FIQ) support for the E3" + depends on MACH_AMS_DELTA + select FIQ + help + Provide a FIQ handler for the E3. + This allows for fast handling of interrupts generated + by the clock line of the E3 mailboard (or a PS/2 keyboard) + connected to the GPIO based external keyboard port. + config MACH_OMAP_GENERIC bool "Generic OMAP board" depends on ARCH_OMAP1 && (ARCH_OMAP15XX || ARCH_OMAP16XX) diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index 9ce17f13d3f1..ea231c7a550a 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -3,7 +3,7 @@ # # Common support -obj-y := io.o id.o sram.o irq.o mux.o serial.o devices.o +obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o obj-y += clock.o clock_data.o opp_data.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o @@ -37,6 +37,7 @@ obj-$(CONFIG_MACH_OMAP_PALMZ71) += board-palmz71.o obj-$(CONFIG_MACH_OMAP_PALMTT) += board-palmtt.o obj-$(CONFIG_MACH_NOKIA770) += board-nokia770.o obj-$(CONFIG_MACH_AMS_DELTA) += board-ams-delta.o +obj-$(CONFIG_AMS_DELTA_FIQ) += ams-delta-fiq.o ams-delta-fiq-handler.o obj-$(CONFIG_MACH_SX1) += board-sx1.o board-sx1-mmc.o obj-$(CONFIG_MACH_HERALD) += board-htcherald.o diff --git a/arch/arm/mach-omap1/ams-delta-fiq-handler.S b/arch/arm/mach-omap1/ams-delta-fiq-handler.S new file mode 100644 index 000000000000..927d5a181760 --- /dev/null +++ b/arch/arm/mach-omap1/ams-delta-fiq-handler.S @@ -0,0 +1,278 @@ +/* + * linux/arch/arm/mach-omap1/ams-delta-fiq-handler.S + * + * Based on linux/arch/arm/lib/floppydma.S + * Renamed and modified to work with 2.6 kernel by Matt Callow + * Copyright (C) 1995, 1996 Russell King + * Copyright (C) 2004 Pete Trapps + * Copyright (C) 2006 Matt Callow + * Copyright (C) 2010 Janusz Krzysztofik + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + */ + +#include <linux/linkage.h> + +#include <plat/io.h> +#include <plat/board-ams-delta.h> + +#include <mach/ams-delta-fiq.h> + +/* + * GPIO related definitions, copied from arch/arm/plat-omap/gpio.c. + * Unfortunately, those were not placed in a separate header file. + */ +#define OMAP1510_GPIO_BASE 0xFFFCE000 +#define OMAP1510_GPIO_DATA_INPUT 0x00 +#define OMAP1510_GPIO_DATA_OUTPUT 0x04 +#define OMAP1510_GPIO_DIR_CONTROL 0x08 +#define OMAP1510_GPIO_INT_CONTROL 0x0c +#define OMAP1510_GPIO_INT_MASK 0x10 +#define OMAP1510_GPIO_INT_STATUS 0x14 +#define OMAP1510_GPIO_PIN_CONTROL 0x18 + +/* GPIO register bitmasks */ +#define KEYBRD_DATA_MASK (0x1 << AMS_DELTA_GPIO_PIN_KEYBRD_DATA) +#define KEYBRD_CLK_MASK (0x1 << AMS_DELTA_GPIO_PIN_KEYBRD_CLK) +#define MODEM_IRQ_MASK (0x1 << AMS_DELTA_GPIO_PIN_MODEM_IRQ) +#define HOOK_SWITCH_MASK (0x1 << AMS_DELTA_GPIO_PIN_HOOK_SWITCH) +#define OTHERS_MASK (MODEM_IRQ_MASK | HOOK_SWITCH_MASK) + +/* IRQ handler register bitmasks */ +#define DEFERRED_FIQ_MASK (0x1 << (INT_DEFERRED_FIQ % IH2_BASE)) +#define GPIO_BANK1_MASK (0x1 << INT_GPIO_BANK1) + +/* Driver buffer byte offsets */ +#define BUF_MASK (FIQ_MASK * 4) +#define BUF_STATE (FIQ_STATE * 4) +#define BUF_KEYS_CNT (FIQ_KEYS_CNT * 4) +#define BUF_TAIL_OFFSET (FIQ_TAIL_OFFSET * 4) +#define BUF_HEAD_OFFSET (FIQ_HEAD_OFFSET * 4) +#define BUF_BUF_LEN (FIQ_BUF_LEN * 4) +#define BUF_KEY (FIQ_KEY * 4) +#define BUF_MISSED_KEYS (FIQ_MISSED_KEYS * 4) +#define BUF_BUFFER_START (FIQ_BUFFER_START * 4) +#define BUF_GPIO_INT_MASK (FIQ_GPIO_INT_MASK * 4) +#define BUF_KEYS_HICNT (FIQ_KEYS_HICNT * 4) +#define BUF_IRQ_PEND (FIQ_IRQ_PEND * 4) +#define BUF_SIR_CODE_L1 (FIQ_SIR_CODE_L1 * 4) +#define BUF_SIR_CODE_L2 (IRQ_SIR_CODE_L2 * 4) +#define BUF_CNT_INT_00 (FIQ_CNT_INT_00 * 4) +#define BUF_CNT_INT_KEY (FIQ_CNT_INT_KEY * 4) +#define BUF_CNT_INT_MDM (FIQ_CNT_INT_MDM * 4) +#define BUF_CNT_INT_03 (FIQ_CNT_INT_03 * 4) +#define BUF_CNT_INT_HSW (FIQ_CNT_INT_HSW * 4) +#define BUF_CNT_INT_05 (FIQ_CNT_INT_05 * 4) +#define BUF_CNT_INT_06 (FIQ_CNT_INT_06 * 4) +#define BUF_CNT_INT_07 (FIQ_CNT_INT_07 * 4) +#define BUF_CNT_INT_08 (FIQ_CNT_INT_08 * 4) +#define BUF_CNT_INT_09 (FIQ_CNT_INT_09 * 4) +#define BUF_CNT_INT_10 (FIQ_CNT_INT_10 * 4) +#define BUF_CNT_INT_11 (FIQ_CNT_INT_11 * 4) +#define BUF_CNT_INT_12 (FIQ_CNT_INT_12 * 4) +#define BUF_CNT_INT_13 (FIQ_CNT_INT_13 * 4) +#define BUF_CNT_INT_14 (FIQ_CNT_INT_14 * 4) +#define BUF_CNT_INT_15 (FIQ_CNT_INT_15 * 4) +#define BUF_CIRC_BUFF (FIQ_CIRC_BUFF * 4) + + +/* + * Register useage + * r8 - temporary + * r9 - the driver buffer + * r10 - temporary + * r11 - interrupts mask + * r12 - base pointers + * r13 - interrupts status + */ + + .text + + .global qwerty_fiqin_end + +ENTRY(qwerty_fiqin_start) + @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ + @ FIQ intrrupt handler + ldr r12, omap_ih1_base @ set pointer to level1 handler + + ldr r11, [r12, #IRQ_MIR_REG_OFFSET] @ fetch interrupts mask + + ldr r13, [r12, #IRQ_ITR_REG_OFFSET] @ fetch interrupts status + bics r13, r13, r11 @ clear masked - any left? + beq exit @ none - spurious FIQ? exit + + ldr r10, [r12, #IRQ_SIR_FIQ_REG_OFFSET] @ get requested interrupt number + + mov r8, #2 @ reset FIQ agreement + str r8, [r12, #IRQ_CONTROL_REG_OFFSET] + + cmp r10, #INT_GPIO_BANK1 @ is it GPIO bank interrupt? + beq gpio @ yes - process it + + mov r8, #1 + orr r8, r11, r8, lsl r10 @ mask spurious interrupt + str r8, [r12, #IRQ_MIR_REG_OFFSET] +exit: + subs pc, lr, #4 @ return from FIQ + @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ + + + @@@@@@@@@@@@@@@@@@@@@@@@@@@ +gpio: @ GPIO bank interrupt handler + ldr r12, omap1510_gpio_base @ set base pointer to GPIO bank + + ldr r11, [r12, #OMAP1510_GPIO_INT_MASK] @ fetch GPIO interrupts mask +restart: + ldr r13, [r12, #OMAP1510_GPIO_INT_STATUS] @ fetch status bits + bics r13, r13, r11 @ clear masked - any left? + beq exit @ no - spurious interrupt? exit + + orr r11, r11, r13 @ mask all requested interrupts + str r11, [r12, #OMAP1510_GPIO_INT_MASK] + + ands r10, r13, #KEYBRD_CLK_MASK @ extract keyboard status - set? + beq hksw @ no - try next source + + + @@@@@@@@@@@@@@@@@@@@@@ + @ Keyboard clock FIQ mode interrupt handler + @ r10 now contains KEYBRD_CLK_MASK, use it + str r10, [r12, #OMAP1510_GPIO_INT_STATUS] @ ack the interrupt + bic r11, r11, r10 @ unmask it + str r11, [r12, #OMAP1510_GPIO_INT_MASK] + + @ Process keyboard data + ldr r8, [r12, #OMAP1510_GPIO_DATA_INPUT] @ fetch GPIO input + + ldr r10, [r9, #BUF_STATE] @ fetch kbd interface state + cmp r10, #0 @ are we expecting start bit? + bne data @ no - go to data processing + + ands r8, r8, #KEYBRD_DATA_MASK @ check start bit - detected? + beq hksw @ no - try next source + + @ r8 contains KEYBRD_DATA_MASK, use it + str r8, [r9, #BUF_STATE] @ enter data processing state + @ r10 already contains 0, reuse it + str r10, [r9, #BUF_KEY] @ clear keycode + mov r10, #2 @ reset input bit mask + str r10, [r9, #BUF_MASK] + + @ Mask other GPIO line interrupts till key done + str r11, [r9, #BUF_GPIO_INT_MASK] @ save mask for later restore + mvn r11, #KEYBRD_CLK_MASK @ prepare all except kbd mask + str r11, [r12, #OMAP1510_GPIO_INT_MASK] @ store into the mask register + + b restart @ restart + +data: ldr r10, [r9, #BUF_MASK] @ fetch current input bit mask + + @ r8 still contains GPIO input bits + ands r8, r8, #KEYBRD_DATA_MASK @ is keyboard data line low? + ldreq r8, [r9, #BUF_KEY] @ yes - fetch collected so far, + orreq r8, r8, r10 @ set 1 at current mask position + streq r8, [r9, #BUF_KEY] @ and save back + + mov r10, r10, lsl #1 @ shift mask left + bics r10, r10, #0x800 @ have we got all the bits? + strne r10, [r9, #BUF_MASK] @ not yet - store the mask + bne restart @ and restart + + @ r10 already contains 0, reuse it + str r10, [r9, #BUF_STATE] @ reset state to start + + @ Key done - restore interrupt mask + ldr r10, [r9, #BUF_GPIO_INT_MASK] @ fetch saved mask + and r11, r11, r10 @ unmask all saved as unmasked + str r11, [r12, #OMAP1510_GPIO_INT_MASK] @ restore into the mask register + + @ Try appending the keycode to the circular buffer + ldr r10, [r9, #BUF_KEYS_CNT] @ get saved keystrokes count + ldr r8, [r9, #BUF_BUF_LEN] @ get buffer size + cmp r10, r8 @ is buffer full? + beq hksw @ yes - key lost, next source + + add r10, r10, #1 @ incremet keystrokes counter + str r10, [r9, #BUF_KEYS_CNT] + + ldr r10, [r9, #BUF_TAIL_OFFSET] @ get buffer tail offset + @ r8 already contains buffer size + cmp r10, r8 @ end of buffer? + moveq r10, #0 @ yes - rewind to buffer start + + ldr r12, [r9, #BUF_BUFFER_START] @ get buffer start address + add r12, r12, r10, LSL #2 @ calculate buffer tail address + ldr r8, [r9, #BUF_KEY] @ get last keycode + str r8, [r12] @ append it to the buffer tail + + add r10, r10, #1 @ increment buffer tail offset + str r10, [r9, #BUF_TAIL_OFFSET] + + ldr r10, [r9, #BUF_CNT_INT_KEY] @ increment interrupts counter + add r10, r10, #1 + str r10, [r9, #BUF_CNT_INT_KEY] + @@@@@@@@@@@@@@@@@@@@@@@@ + + +hksw: @Is hook switch interrupt requested? + tst r13, #HOOK_SWITCH_MASK @ is hook switch status bit set? + beq mdm @ no - try next source + + + @@@@@@@@@@@@@@@@@@@@@@@@ + @ Hook switch interrupt FIQ mode simple handler + + @ Don't toggle active edge, the switch always bounces + + @ Increment hook switch interrupt counter + ldr r10, [r9, #BUF_CNT_INT_HSW] + add r10, r10, #1 + str r10, [r9, #BUF_CNT_INT_HSW] + @@@@@@@@@@@@@@@@@@@@@@@@ + + +mdm: @Is it a modem interrupt? + tst r13, #MODEM_IRQ_MASK @ is modem status bit set? + beq irq @ no - check for next interrupt + + + @@@@@@@@@@@@@@@@@@@@@@@@ + @ Modem FIQ mode interrupt handler stub + + @ Increment modem interrupt counter + ldr r10, [r9, #BUF_CNT_INT_MDM] + add r10, r10, #1 + str r10, [r9, #BUF_CNT_INT_MDM] + @@@@@@@@@@@@@@@@@@@@@@@@ + + +irq: @ Place deferred_fiq interrupt request + ldr r12, deferred_fiq_ih_base @ set pointer to IRQ handler + mov r10, #DEFERRED_FIQ_MASK @ set deferred_fiq bit + str r10, [r12, #IRQ_ISR_REG_OFFSET] @ place it in the ISR register + + ldr r12, omap1510_gpio_base @ set pointer back to GPIO bank + b restart @ check for next GPIO interrupt + @@@@@@@@@@@@@@@@@@@@@@@@@@@ + + +/* + * Virtual addresses for IO + */ +omap_ih1_base: + .word OMAP1_IO_ADDRESS(OMAP_IH1_BASE) +deferred_fiq_ih_base: + .word OMAP1_IO_ADDRESS(DEFERRED_FIQ_IH_BASE) +omap1510_gpio_base: + .word OMAP1_IO_ADDRESS(OMAP1510_GPIO_BASE) +qwerty_fiqin_end: + +/* + * Check the size of the FIQ, + * it cannot go beyond 0xffff0200, and is copied to 0xffff001c + */ +.if (qwerty_fiqin_end - qwerty_fiqin_start) > (0x200 - 0x1c) + .err +.endif diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c new file mode 100644 index 000000000000..6c994e2d8879 --- /dev/null +++ b/arch/arm/mach-omap1/ams-delta-fiq.c @@ -0,0 +1,155 @@ +/* + * Amstrad E3 FIQ handling + * + * Copyright (C) 2009 Janusz Krzysztofik + * Copyright (c) 2006 Matt Callow + * Copyright (c) 2004 Amstrad Plc + * Copyright (C) 2001 RidgeRun, Inc. + * + * Parts of this code are taken from linux/arch/arm/mach-omap/irq.c + * in the MontaVista 2.4 kernel (and the Amstrad changes therein) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/module.h> +#include <linux/io.h> + +#include <plat/board-ams-delta.h> + +#include <asm/fiq.h> +#include <mach/ams-delta-fiq.h> + +static struct fiq_handler fh = { + .name = "ams-delta-fiq" +}; + +/* + * This buffer is shared between FIQ and IRQ contexts. + * The FIQ and IRQ isrs can both read and write it. + * It is structured as a header section several 32bit slots, + * followed by the circular buffer where the FIQ isr stores + * keystrokes received from the qwerty keyboard. + * See ams-delta-fiq.h for details of offsets. + */ +unsigned int fiq_buffer[1024]; +EXPORT_SYMBOL(fiq_buffer); + +static unsigned int irq_counter[16]; + +static irqreturn_t deferred_fiq(int irq, void *dev_id) +{ + struct irq_desc *irq_desc; + struct irq_chip *irq_chip = NULL; + int gpio, irq_num, fiq_count; + + irq_desc = irq_to_desc(IH_GPIO_BASE); + if (irq_desc) + irq_chip = irq_desc->chip; + + /* + * For each handled GPIO interrupt, keep calling its interrupt handler + * until the IRQ counter catches the FIQ incremented interrupt counter. + */ + for (gpio = AMS_DELTA_GPIO_PIN_KEYBRD_CLK; + gpio <= AMS_DELTA_GPIO_PIN_HOOK_SWITCH; gpio++) { + irq_num = gpio_to_irq(gpio); + fiq_count = fiq_buffer[FIQ_CNT_INT_00 + gpio]; + + while (irq_counter[gpio] < fiq_count) { + if (gpio != AMS_DELTA_GPIO_PIN_KEYBRD_CLK) { + /* + * It looks like handle_edge_irq() that + * OMAP GPIO edge interrupts default to, + * expects interrupt already unmasked. + */ + if (irq_chip && irq_chip->unmask) + irq_chip->unmask(irq_num); + } + generic_handle_irq(irq_num); + + irq_counter[gpio]++; + } + } + return IRQ_HANDLED; +} + +void __init ams_delta_init_fiq(void) +{ + void *fiqhandler_start; + unsigned int fiqhandler_length; + struct pt_regs FIQ_regs; + unsigned long val, offset; + int i, retval; + + fiqhandler_start = &qwerty_fiqin_start; + fiqhandler_length = &qwerty_fiqin_end - &qwerty_fiqin_start; + pr_info("Installing fiq handler from %p, length 0x%x\n", + fiqhandler_start, fiqhandler_length); + + retval = claim_fiq(&fh); + if (retval) { + pr_err("ams_delta_init_fiq(): couldn't claim FIQ, ret=%d\n", + retval); + return; + } + + retval = request_irq(INT_DEFERRED_FIQ, deferred_fiq, + IRQ_TYPE_EDGE_RISING, "deferred_fiq", 0); + if (retval < 0) { + pr_err("Failed to get deferred_fiq IRQ, ret=%d\n", retval); + release_fiq(&fh); + return; + } + /* + * Since no set_type() method is provided by OMAP irq chip, + * switch to edge triggered interrupt type manually. + */ + offset = IRQ_ILR0_REG_OFFSET + INT_DEFERRED_FIQ * 0x4; + val = omap_readl(DEFERRED_FIQ_IH_BASE + offset) & ~(1 << 1); + omap_writel(val, DEFERRED_FIQ_IH_BASE + offset); + + set_fiq_handler(fiqhandler_start, fiqhandler_length); + + /* + * Initialise the buffer which is shared + * between FIQ mode and IRQ mode + */ + fiq_buffer[FIQ_GPIO_INT_MASK] = 0; + fiq_buffer[FIQ_MASK] = 0; + fiq_buffer[FIQ_STATE] = 0; + fiq_buffer[FIQ_KEY] = 0; + fiq_buffer[FIQ_KEYS_CNT] = 0; + fiq_buffer[FIQ_KEYS_HICNT] = 0; + fiq_buffer[FIQ_TAIL_OFFSET] = 0; + fiq_buffer[FIQ_HEAD_OFFSET] = 0; + fiq_buffer[FIQ_BUF_LEN] = 256; + fiq_buffer[FIQ_MISSED_KEYS] = 0; + fiq_buffer[FIQ_BUFFER_START] = + (unsigned int) &fiq_buffer[FIQ_CIRC_BUFF]; + + for (i = FIQ_CNT_INT_00; i <= FIQ_CNT_INT_15; i++) + fiq_buffer[i] = 0; + + /* + * FIQ mode r9 always points to the fiq_buffer, becauses the FIQ isr + * will run in an unpredictable context. The fiq_buffer is the FIQ isr's + * only means of communication with the IRQ level and other kernel + * context code. + */ + FIQ_regs.ARM_r9 = (unsigned int)fiq_buffer; + set_fiq_regs(&FIQ_regs); + + pr_info("request_fiq(): fiq_buffer = %p\n", fiq_buffer); + + /* + * Redirect GPIO interrupts to FIQ + */ + offset = IRQ_ILR0_REG_OFFSET + INT_GPIO_BANK1 * 0x4; + val = omap_readl(OMAP_IH1_BASE + offset) | 1; + omap_writel(val, OMAP_IH1_BASE + offset); +} diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index 7fc11c34b696..fdd1dd53fa9c 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -33,6 +33,8 @@ #include <plat/board.h> #include <plat/common.h> +#include <mach/ams-delta-fiq.h> + static u8 ams_delta_latch1_reg; static u16 ams_delta_latch2_reg; @@ -236,6 +238,10 @@ static void __init ams_delta_init(void) omap_usb_init(&ams_delta_usb_config); platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices)); +#ifdef CONFIG_AMS_DELTA_FIQ + ams_delta_init_fiq(); +#endif + omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1); } @@ -263,8 +269,18 @@ static struct platform_device ams_delta_modem_device = { static int __init ams_delta_modem_init(void) { + int err; + omap_cfg_reg(M14_1510_GPIO2); - ams_delta_modem_ports[0].irq = gpio_to_irq(2); + ams_delta_modem_ports[0].irq = + gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ); + + err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem"); + if (err) { + pr_err("Couldn't request gpio pin for modem\n"); + return err; + } + gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ); ams_delta_latch2_write( AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC, diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c index 7e70c3c08da6..096f2ed102cb 100644 --- a/arch/arm/mach-omap1/board-fsample.c +++ b/arch/arm/mach-omap1/board-fsample.c @@ -18,18 +18,19 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/input.h> #include <linux/smc91x.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/map.h> #include <plat/tc.h> #include <mach/gpio.h> #include <plat/mux.h> +#include <plat/flash.h> #include <plat/fpga.h> #include <plat/keypad.h> #include <plat/common.h> @@ -150,9 +151,9 @@ static struct mtd_partition nor_partitions[] = { }, }; -static struct flash_platform_data nor_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data nor_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = nor_partitions, .nr_parts = ARRAY_SIZE(nor_partitions), }; @@ -164,7 +165,7 @@ static struct resource nor_resource = { }; static struct platform_device nor_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &nor_data, diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index fa7cecea19f9..d1100e4f65ac 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -26,6 +26,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/input.h> #include <linux/i2c/tps65010.h> #include <linux/smc91x.h> @@ -35,7 +36,6 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/map.h> #include <plat/mux.h> @@ -45,6 +45,7 @@ #include <plat/usb.h> #include <plat/keypad.h> #include <plat/common.h> +#include <plat/flash.h> #include "board-h2.h" @@ -121,9 +122,9 @@ static struct mtd_partition h2_nor_partitions[] = { } }; -static struct flash_platform_data h2_nor_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data h2_nor_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = h2_nor_partitions, .nr_parts = ARRAY_SIZE(h2_nor_partitions), }; @@ -134,7 +135,7 @@ static struct resource h2_nor_resource = { }; static struct platform_device h2_nor_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &h2_nor_data, diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index 6a7f9c391cf1..a53ab8297d25 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -25,6 +25,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/input.h> #include <linux/spi/spi.h> #include <linux/i2c/tps65010.h> @@ -37,7 +38,6 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/map.h> #include <mach/irqs.h> @@ -47,6 +47,7 @@ #include <plat/keypad.h> #include <plat/dma.h> #include <plat/common.h> +#include <plat/flash.h> #include "board-h3.h" @@ -126,9 +127,9 @@ static struct mtd_partition nor_partitions[] = { } }; -static struct flash_platform_data nor_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data nor_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = nor_partitions, .nr_parts = ARRAY_SIZE(nor_partitions), }; @@ -139,7 +140,7 @@ static struct resource nor_resource = { }; static struct platform_device nor_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &nor_data, diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c index e36639f66150..8e313b4b99a9 100644 --- a/arch/arm/mach-omap1/board-htcherald.c +++ b/arch/arm/mach-omap1/board-htcherald.c @@ -28,7 +28,6 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/input.h> -#include <linux/bootmem.h> #include <linux/io.h> #include <linux/gpio.h> diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c index 2133b006f6a3..5d12fd35681b 100644 --- a/arch/arm/mach-omap1/board-innovator.c +++ b/arch/arm/mach-omap1/board-innovator.c @@ -22,16 +22,17 @@ #include <linux/delay.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/input.h> #include <linux/smc91x.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/map.h> #include <plat/mux.h> +#include <plat/flash.h> #include <plat/fpga.h> #include <mach/gpio.h> #include <plat/tc.h> @@ -94,9 +95,9 @@ static struct mtd_partition innovator_partitions[] = { } }; -static struct flash_platform_data innovator_flash_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data innovator_flash_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = innovator_partitions, .nr_parts = ARRAY_SIZE(innovator_partitions), }; @@ -108,7 +109,7 @@ static struct resource innovator_flash_resource = { }; static struct platform_device innovator_flash_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &innovator_flash_data, diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index ccea4f448e9a..80d862001def 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -37,6 +37,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/i2c/tps65010.h> @@ -46,8 +47,8 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach/flash.h> +#include <plat/flash.h> #include <plat/usb.h> #include <plat/mux.h> #include <plat/tc.h> @@ -94,9 +95,9 @@ static struct mtd_partition osk_partitions[] = { } }; -static struct flash_platform_data osk_flash_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data osk_flash_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = osk_partitions, .nr_parts = ARRAY_SIZE(osk_partitions), }; @@ -107,7 +108,7 @@ static struct resource osk_flash_resource = { }; static struct platform_device osk5912_flash_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &osk_flash_data, diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c index 9fe887262bdf..569b4c9085cd 100644 --- a/arch/arm/mach-omap1/board-palmte.c +++ b/arch/arm/mach-omap1/board-palmte.c @@ -23,6 +23,7 @@ #include <linux/platform_device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/spi/spi.h> #include <linux/interrupt.h> #include <linux/apm-emulation.h> @@ -31,9 +32,9 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach/flash.h> #include <mach/gpio.h> +#include <plat/flash.h> #include <plat/mux.h> #include <plat/usb.h> #include <plat/tc.h> @@ -126,9 +127,9 @@ static struct mtd_partition palmte_rom_partitions[] = { }, }; -static struct flash_platform_data palmte_rom_data = { - .map_name = "map_rom", +static struct physmap_flash_data palmte_rom_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = palmte_rom_partitions, .nr_parts = ARRAY_SIZE(palmte_rom_partitions), }; @@ -140,7 +141,7 @@ static struct resource palmte_rom_resource = { }; static struct platform_device palmte_rom_device = { - .name = "omapflash", + .name = "physmap-flash", .id = -1, .dev = { .platform_data = &palmte_rom_data, diff --git a/arch/arm/mach-omap1/board-palmtt.c b/arch/arm/mach-omap1/board-palmtt.c index af068e3e0fe7..6ad49a2cc1a0 100644 --- a/arch/arm/mach-omap1/board-palmtt.c +++ b/arch/arm/mach-omap1/board-palmtt.c @@ -21,16 +21,17 @@ #include <linux/interrupt.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/leds.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach/flash.h> #include <plat/led.h> #include <mach/gpio.h> +#include <plat/flash.h> #include <plat/mux.h> #include <plat/usb.h> #include <plat/dma.h> @@ -104,9 +105,9 @@ static struct mtd_partition palmtt_partitions[] = { } }; -static struct flash_platform_data palmtt_flash_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data palmtt_flash_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = palmtt_partitions, .nr_parts = ARRAY_SIZE(palmtt_partitions), }; @@ -118,7 +119,7 @@ static struct resource palmtt_flash_resource = { }; static struct platform_device palmtt_flash_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &palmtt_flash_data, diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c index c7a3b6f36500..6641de9257ef 100644 --- a/arch/arm/mach-omap1/board-palmz71.c +++ b/arch/arm/mach-omap1/board-palmz71.c @@ -25,14 +25,15 @@ #include <linux/interrupt.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach/flash.h> #include <mach/gpio.h> +#include <plat/flash.h> #include <plat/mux.h> #include <plat/usb.h> #include <plat/dma.h> @@ -126,10 +127,9 @@ static struct mtd_partition palmz71_rom_partitions[] = { }, }; -static struct flash_platform_data palmz71_rom_data = { - .map_name = "map_rom", - .name = "onboardrom", +static struct physmap_flash_data palmz71_rom_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = palmz71_rom_partitions, .nr_parts = ARRAY_SIZE(palmz71_rom_partitions), }; @@ -141,7 +141,7 @@ static struct resource palmz71_rom_resource = { }; static struct platform_device palmz71_rom_device = { - .name = "omapflash", + .name = "physmap-flash", .id = -1, .dev = { .platform_data = &palmz71_rom_data, diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c index 1387a4f15da9..e854d5741c88 100644 --- a/arch/arm/mach-omap1/board-perseus2.c +++ b/arch/arm/mach-omap1/board-perseus2.c @@ -18,19 +18,20 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/input.h> #include <linux/smc91x.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/map.h> #include <plat/tc.h> #include <mach/gpio.h> #include <plat/mux.h> #include <plat/fpga.h> +#include <plat/flash.h> #include <plat/keypad.h> #include <plat/common.h> #include <plat/board.h> @@ -117,9 +118,9 @@ static struct mtd_partition nor_partitions[] = { }, }; -static struct flash_platform_data nor_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data nor_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = nor_partitions, .nr_parts = ARRAY_SIZE(nor_partitions), }; @@ -131,7 +132,7 @@ static struct resource nor_resource = { }; static struct platform_device nor_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &nor_data, diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c index 7a97fac83d8d..2fb1e5f8e2ec 100644 --- a/arch/arm/mach-omap1/board-sx1.c +++ b/arch/arm/mach-omap1/board-sx1.c @@ -22,6 +22,7 @@ #include <linux/notifier.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/types.h> #include <linux/i2c.h> #include <linux/errno.h> @@ -29,10 +30,10 @@ #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/map.h> #include <mach/gpio.h> +#include <plat/flash.h> #include <plat/mux.h> #include <plat/dma.h> #include <plat/irda.h> @@ -287,9 +288,9 @@ static struct mtd_partition sx1_partitions[] = { } }; -static struct flash_platform_data sx1_flash_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data sx1_flash_data = { .width = 2, + .set_vpp = omap1_set_vpp, .parts = sx1_partitions, .nr_parts = ARRAY_SIZE(sx1_partitions), }; @@ -310,7 +311,7 @@ static struct resource sx1_old_flash_resource[] = { }; static struct platform_device sx1_flash_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &sx1_flash_data, @@ -327,7 +328,7 @@ static struct resource sx1_new_flash_resource = { }; static struct platform_device sx1_flash_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &sx1_flash_data, diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index 169183537997..87b9436fe7c0 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -18,6 +18,7 @@ #include <linux/irq.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/mtd/physmap.h> #include <linux/notifier.h> #include <linux/reboot.h> #include <linux/serial_8250.h> @@ -27,11 +28,11 @@ #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/flash.h> #include <asm/mach/map.h> #include <plat/common.h> #include <mach/gpio.h> +#include <plat/flash.h> #include <plat/mux.h> #include <plat/tc.h> #include <plat/usb.h> @@ -86,9 +87,9 @@ static int __init ext_uart_init(void) } arch_initcall(ext_uart_init); -static struct flash_platform_data voiceblue_flash_data = { - .map_name = "cfi_probe", +static struct physmap_flash_data voiceblue_flash_data = { .width = 2, + .set_vpp = omap1_set_vpp, }; static struct resource voiceblue_flash_resource = { @@ -98,7 +99,7 @@ static struct resource voiceblue_flash_resource = { }; static struct platform_device voiceblue_flash_device = { - .name = "omapflash", + .name = "physmap-flash", .id = 0, .dev = { .platform_data = &voiceblue_flash_data, diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index 04f1d29cba2c..6bbb1b8b8294 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -1,7 +1,7 @@ /* * linux/arch/arm/mach-omap1/clock.c * - * Copyright (C) 2004 - 2005, 2009 Nokia corporation + * Copyright (C) 2004 - 2005, 2009-2010 Nokia Corporation * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> * * Modified to use omap shared clock framework by @@ -38,26 +38,6 @@ struct clk *api_ck_p, *ck_dpll1_p, *ck_ref_p; * Omap1 specific clock functions *-------------------------------------------------------------------------*/ -static int clk_omap1_dummy_enable(struct clk *clk) -{ - return 0; -} - -static void clk_omap1_dummy_disable(struct clk *clk) -{ -} - -const struct clkops clkops_dummy = { - .enable = clk_omap1_dummy_enable, - .disable = clk_omap1_dummy_disable, -}; - -/* XXX can be replaced with a fixed_divisor_recalc */ -unsigned long omap1_watchdog_recalc(struct clk *clk) -{ - return clk->parent->rate / 14; -} - unsigned long omap1_uart_recalc(struct clk *clk) { unsigned int val = __raw_readl(clk->enable_reg); @@ -577,9 +557,6 @@ const struct clkops clkops_uart = { long omap1_clk_round_rate(struct clk *clk, unsigned long rate) { - if (clk->flags & RATE_FIXED) - return clk->rate; - if (clk->round_rate != NULL) return clk->round_rate(clk, rate); @@ -601,7 +578,7 @@ int omap1_clk_set_rate(struct clk *clk, unsigned long rate) #ifdef CONFIG_OMAP_RESET_CLOCKS -void __init omap1_clk_disable_unused(struct clk *clk) +void omap1_clk_disable_unused(struct clk *clk) { __u32 regval32; diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h index a4190afb8614..75d0d7d90bff 100644 --- a/arch/arm/mach-omap1/clock.h +++ b/arch/arm/mach-omap1/clock.h @@ -39,7 +39,7 @@ extern long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate); extern unsigned long omap1_watchdog_recalc(struct clk *clk); #ifdef CONFIG_OMAP_RESET_CLOCKS -extern void __init omap1_clk_disable_unused(struct clk *clk); +extern void omap1_clk_disable_unused(struct clk *clk); #else #define omap1_clk_disable_unused NULL #endif diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index 65e7b5b85d83..aa8558adbf1c 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c @@ -1,7 +1,7 @@ /* * linux/arch/arm/mach-omap1/clock_data.c * - * Copyright (C) 2004 - 2005, 2009 Nokia corporation + * Copyright (C) 2004 - 2005, 2009-2010 Nokia Corporation * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc * @@ -27,13 +27,6 @@ * Omap1 clocks *-------------------------------------------------------------------------*/ -/* XXX is this necessary? */ -static struct clk dummy_ck = { - .name = "dummy", - .ops = &clkops_dummy, - .flags = RATE_FIXED, -}; - static struct clk ck_ref = { .name = "ck_ref", .ops = &clkops_null, @@ -149,7 +142,8 @@ static struct arm_idlect1_clk armwdt_ck = { .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_WDTCK, - .recalc = &omap1_watchdog_recalc, + .fixed_div = 14, + .recalc = &omap_fixed_divisor_recalc, }, .idlect_shift = 0, }; @@ -388,8 +382,7 @@ static struct uart_clk uart1_16xx = { /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 48000000, - .flags = RATE_FIXED | ENABLE_REG_32BIT | - CLOCK_NO_IDLE_PARENT, + .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 29, }, @@ -429,8 +422,7 @@ static struct uart_clk uart3_16xx = { /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 48000000, - .flags = RATE_FIXED | ENABLE_REG_32BIT | - CLOCK_NO_IDLE_PARENT, + .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 31, }, @@ -442,7 +434,7 @@ static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */ .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 6000000, - .flags = RATE_FIXED | ENABLE_REG_32BIT, + .flags = ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(ULPD_CLOCK_CTRL), .enable_bit = USB_MCLK_EN_BIT, }; @@ -452,7 +444,7 @@ static struct clk usb_hhc_ck1510 = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */ - .flags = RATE_FIXED | ENABLE_REG_32BIT, + .flags = ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = USB_HOST_HHC_UHOST_EN, }; @@ -463,7 +455,7 @@ static struct clk usb_hhc_ck16xx = { /* Direct from ULPD, no parent */ .rate = 48000000, /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */ - .flags = RATE_FIXED | ENABLE_REG_32BIT, + .flags = ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(OTG_BASE + 0x08), /* OTG_SYSCON_2 */ .enable_bit = 8 /* UHOST_EN */, }; @@ -473,7 +465,6 @@ static struct clk usb_dc_ck = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, - .flags = RATE_FIXED, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 4, }; @@ -483,7 +474,6 @@ static struct clk usb_dc_ck7xx = { .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, - .flags = RATE_FIXED, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 8, }; @@ -493,7 +483,6 @@ static struct clk mclk_1510 = { .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, - .flags = RATE_FIXED, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 6, }; @@ -514,7 +503,6 @@ static struct clk bclk_1510 = { .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, - .flags = RATE_FIXED, }; static struct clk bclk_16xx = { @@ -529,36 +517,34 @@ static struct clk bclk_16xx = { }; static struct clk mmc1_ck = { - .name = "mmc_ck", + .name = "mmc1_ck", .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, - .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, + .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 23, }; static struct clk mmc2_ck = { - .name = "mmc_ck", - .id = 1, + .name = "mmc2_ck", .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, - .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, + .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 20, }; static struct clk mmc3_ck = { - .name = "mmc_ck", - .id = 2, + .name = "mmc3_ck", .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, - .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, + .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 12, }; @@ -576,7 +562,6 @@ static struct clk virtual_ck_mpu = { remains active during MPU idle whenever this is enabled */ static struct clk i2c_fck = { .name = "i2c_fck", - .id = 1, .ops = &clkops_null, .flags = CLOCK_NO_IDLE_PARENT, .parent = &armxor_ck.clk, @@ -585,7 +570,6 @@ static struct clk i2c_fck = { static struct clk i2c_ick = { .name = "i2c_ick", - .id = 1, .ops = &clkops_null, .flags = CLOCK_NO_IDLE_PARENT, .parent = &armper_ck.clk, diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c index a2d07aa75c9e..379100c17639 100644 --- a/arch/arm/mach-omap1/devices.c +++ b/arch/arm/mach-omap1/devices.c @@ -73,7 +73,7 @@ static inline void omap_init_rtc(void) {} # define INT_DSP_MAILBOX1 INT_1610_DSP_MAILBOX1 #endif -#define OMAP1_MBOX_BASE OMAP1_IO_ADDRESS(OMAP16XX_MAILBOX_BASE) +#define OMAP1_MBOX_BASE OMAP16XX_MAILBOX_BASE static struct resource mbox_resources[] = { { diff --git a/arch/arm/mach-omap1/flash.c b/arch/arm/mach-omap1/flash.c new file mode 100644 index 000000000000..0b07a78eeaa7 --- /dev/null +++ b/arch/arm/mach-omap1/flash.c @@ -0,0 +1,33 @@ +/* + * Flash support for OMAP1 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> + +#include <plat/io.h> +#include <plat/tc.h> + +void omap1_set_vpp(struct map_info *map, int enable) +{ + static int count; + u32 l; + + if (enable) { + if (count++ == 0) { + l = omap_readl(EMIFS_CONFIG); + l |= OMAP_EMIFS_CONFIG_WP; + omap_writel(l, EMIFS_CONFIG); + } + } else { + if (count && (--count == 0)) { + l = omap_readl(EMIFS_CONFIG); + l &= ~OMAP_EMIFS_CONFIG_WP; + omap_writel(l, EMIFS_CONFIG); + } + } +} diff --git a/arch/arm/mach-omap1/i2c.c b/arch/arm/mach-omap1/i2c.c index 1bf4735e27a6..5446c9912641 100644 --- a/arch/arm/mach-omap1/i2c.c +++ b/arch/arm/mach-omap1/i2c.c @@ -23,9 +23,7 @@ #include <plat/mux.h> #include <plat/cpu.h> -int __init omap_register_i2c_bus(int bus_id, u32 clkrate, - struct i2c_board_info const *info, - unsigned len) +void __init omap1_i2c_mux_pins(int bus_id) { if (cpu_is_omap7xx()) { omap_cfg_reg(I2C_7XX_SDA); @@ -34,6 +32,4 @@ int __init omap_register_i2c_bus(int bus_id, u32 clkrate, omap_cfg_reg(I2C_SDA); omap_cfg_reg(I2C_SCL); } - - return omap_plat_register_i2c_bus(bus_id, clkrate, info, len); } diff --git a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h new file mode 100644 index 000000000000..7a2df29400ca --- /dev/null +++ b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h @@ -0,0 +1,79 @@ +/* + * arch/arm/mach-omap1/include/ams-delta-fiq.h + * + * Taken from the original Amstrad modifications to fiq.h + * + * Copyright (c) 2004 Amstrad Plc + * Copyright (c) 2006 Matt Callow + * Copyright (c) 2010 Janusz Krzysztofik + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __AMS_DELTA_FIQ_H +#define __AMS_DELTA_FIQ_H + +#include <plat/irqs.h> + +/* + * Interrupt number used for passing control from FIQ to IRQ. + * IRQ12, described as reserved, has been selected. + */ +#define INT_DEFERRED_FIQ INT_1510_RES12 +/* + * Base address of an interrupt handler that the INT_DEFERRED_FIQ belongs to. + */ +#if (INT_DEFERRED_FIQ < IH2_BASE) +#define DEFERRED_FIQ_IH_BASE OMAP_IH1_BASE +#else +#define DEFERRED_FIQ_IH_BASE OMAP_IH2_BASE +#endif + +/* + * These are the offsets from the begining of the fiq_buffer. They are put here + * since the buffer and header need to be accessed by drivers servicing devices + * which generate GPIO interrupts - e.g. keyboard, modem, hook switch. + */ +#define FIQ_MASK 0 +#define FIQ_STATE 1 +#define FIQ_KEYS_CNT 2 +#define FIQ_TAIL_OFFSET 3 +#define FIQ_HEAD_OFFSET 4 +#define FIQ_BUF_LEN 5 +#define FIQ_KEY 6 +#define FIQ_MISSED_KEYS 7 +#define FIQ_BUFFER_START 8 +#define FIQ_GPIO_INT_MASK 9 +#define FIQ_KEYS_HICNT 10 +#define FIQ_IRQ_PEND 11 +#define FIQ_SIR_CODE_L1 12 +#define IRQ_SIR_CODE_L2 13 + +#define FIQ_CNT_INT_00 14 +#define FIQ_CNT_INT_KEY 15 +#define FIQ_CNT_INT_MDM 16 +#define FIQ_CNT_INT_03 17 +#define FIQ_CNT_INT_HSW 18 +#define FIQ_CNT_INT_05 19 +#define FIQ_CNT_INT_06 20 +#define FIQ_CNT_INT_07 21 +#define FIQ_CNT_INT_08 22 +#define FIQ_CNT_INT_09 23 +#define FIQ_CNT_INT_10 24 +#define FIQ_CNT_INT_11 25 +#define FIQ_CNT_INT_12 26 +#define FIQ_CNT_INT_13 27 +#define FIQ_CNT_INT_14 28 +#define FIQ_CNT_INT_15 29 + +#define FIQ_CIRC_BUFF 30 /*Start of circular buffer */ + +#ifndef __ASSEMBLER__ +extern unsigned int fiq_buffer[]; +extern unsigned char qwerty_fiqin_start, qwerty_fiqin_end; + +extern void __init ams_delta_init_fiq(void); +#endif + +#endif diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S index aedb746fc33c..e8a8cf36b7f0 100644 --- a/arch/arm/mach-omap1/include/mach/debug-macro.S +++ b/arch/arm/mach-omap1/include/mach/debug-macro.S @@ -11,18 +11,71 @@ * */ - .macro addruart,rx +#include <linux/serial_reg.h> + +#include <asm/memory.h> + +#include <plat/serial.h> + + .pushsection .data +omap_uart_phys: .word 0x0 +omap_uart_virt: .word 0x0 + .popsection + + /* + * Note that this code won't work if the bootloader passes + * a wrong machine ID number in r1. To debug, just hardcode + * the desired UART phys and virt addresses temporarily into + * the omap_uart_phys and omap_uart_virt above. + */ + .macro addruart, rx, tmp + + /* Use omap_uart_phys/virt if already configured */ +9: mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =omap_uart_phys @ physical base address + ldrne \rx, =omap_uart_virt @ virtual base + ldr \rx, [\rx, #0] + cmp \rx, #0 @ is port configured? + bne 99f @ already configured + + /* Check the debug UART configuration set in uncompress.h */ mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? - moveq \rx, #0xff000000 @ physical base address - movne \rx, #0xfe000000 @ virtual base - orr \rx, \rx, #0x00fb0000 -#ifdef CONFIG_OMAP_LL_DEBUG_UART3 - orr \rx, \rx, #0x00009000 @ UART 3 -#endif -#if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) - orr \rx, \rx, #0x00000800 @ UART 2 & 3 -#endif + ldreq \rx, =OMAP_UART_INFO + ldrne \rx, =__phys_to_virt(OMAP_UART_INFO) + ldr \rx, [\rx, #0] + + /* Select the UART to use based on the UART1 scratchpad value */ +10: cmp \rx, #0 @ no port configured? + beq 11f @ if none, try to use UART1 + cmp \rx, #OMAP1UART1 + beq 11f @ configure OMAP1UART1 + cmp \rx, #OMAP1UART2 + beq 12f @ configure OMAP1UART2 + cmp \rx, #OMAP1UART3 + beq 13f @ configure OMAP2UART3 + + /* Configure the UART offset from the phys/virt base */ +11: mov \rx, #0x00fb0000 @ OMAP1UART1 + b 98f +12: mov \rx, #0x00fb0000 @ OMAP1UART1 + orr \rx, \rx, #0x00000800 @ OMAP1UART2 + b 98f +13: mov \rx, #0x00fb0000 @ OMAP1UART1 + orr \rx, \rx, #0x00000800 @ OMAP1UART2 + orr \rx, \rx, #0x00009000 @ OMAP1UART3 + + /* Store both phys and virt address for the uart */ +98: add \rx, \rx, #0xff000000 @ phys base + ldr \tmp, =omap_uart_phys + str \rx, [\tmp, #0] + sub \rx, \rx, #0xff000000 @ phys base + add \rx, \rx, #0xfe000000 @ virt base + ldr \tmp, =omap_uart_virt + str \rx, [\tmp, #0] + b 9b +99: .endm .macro senduart,rd,rx @@ -30,13 +83,13 @@ .endm .macro busyuart,rd,rx -1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends - and \rd, \rd, #0x60 - teq \rd, #0x60 +1001: ldrb \rd, [\rx, #(UART_LSR << OMAP_PORT_SHIFT)] + and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE) + teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE) beq 1002f - ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only - and \rd, \rd, #0x60 - teq \rd, #0x60 + ldrb \rd, [\rx, #(UART_LSR << OMAP7XX_PORT_SHIFT)] + and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE) + teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE) bne 1001b 1002: .endm diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c index caf889aaa248..4f5b3da3d559 100644 --- a/arch/arm/mach-omap1/mailbox.c +++ b/arch/arm/mach-omap1/mailbox.c @@ -146,7 +146,6 @@ EXPORT_SYMBOL(mbox_dsp_info); static int __devinit omap1_mbox_probe(struct platform_device *pdev) { struct resource *res; - int ret = 0; if (pdev->num_resources != 2) { dev_err(&pdev->dev, "invalid number of resources: %d\n", @@ -160,12 +159,18 @@ static int __devinit omap1_mbox_probe(struct platform_device *pdev) dev_err(&pdev->dev, "invalid mem resource\n"); return -ENODEV; } - mbox_base = res->start; + + mbox_base = ioremap(res->start, resource_size(res)); + if (!mbox_base) { + dev_err(&pdev->dev, "ioremap failed\n"); + return -ENODEV; + } /* DSP IRQ */ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (unlikely(!res)) { dev_err(&pdev->dev, "invalid irq resource\n"); + iounmap(mbox_base); return -ENODEV; } mbox_dsp_info.irq = res->start; diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c index 6bddce104ee9..e9bdff192f82 100644 --- a/arch/arm/mach-omap1/mcbsp.c +++ b/arch/arm/mach-omap1/mcbsp.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <mach/irqs.h> #include <plat/dma.h> @@ -99,9 +100,11 @@ static struct omap_mcbsp_platform_data omap7xx_mcbsp_pdata[] = { }, }; #define OMAP7XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap7xx_mcbsp_pdata) +#define OMAP7XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_XCERH / sizeof(u16) + 1) #else #define omap7xx_mcbsp_pdata NULL #define OMAP7XX_MCBSP_PDATA_SZ 0 +#define OMAP7XX_MCBSP_REG_NUM 0 #endif #ifdef CONFIG_ARCH_OMAP15XX @@ -132,9 +135,11 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = { }, }; #define OMAP15XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap15xx_mcbsp_pdata) +#define OMAP15XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_XCERH / sizeof(u16) + 1) #else #define omap15xx_mcbsp_pdata NULL #define OMAP15XX_MCBSP_PDATA_SZ 0 +#define OMAP15XX_MCBSP_REG_NUM 0 #endif #ifdef CONFIG_ARCH_OMAP16XX @@ -165,19 +170,25 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = { }, }; #define OMAP16XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap16xx_mcbsp_pdata) +#define OMAP16XX_MCBSP_REG_NUM (OMAP_MCBSP_REG_XCERH / sizeof(u16) + 1) #else #define omap16xx_mcbsp_pdata NULL #define OMAP16XX_MCBSP_PDATA_SZ 0 +#define OMAP16XX_MCBSP_REG_NUM 0 #endif int __init omap1_mcbsp_init(void) { - if (cpu_is_omap7xx()) + if (cpu_is_omap7xx()) { omap_mcbsp_count = OMAP7XX_MCBSP_PDATA_SZ; - if (cpu_is_omap15xx()) + omap_mcbsp_cache_size = OMAP7XX_MCBSP_REG_NUM * sizeof(u16); + } else if (cpu_is_omap15xx()) { omap_mcbsp_count = OMAP15XX_MCBSP_PDATA_SZ; - if (cpu_is_omap16xx()) + omap_mcbsp_cache_size = OMAP15XX_MCBSP_REG_NUM * sizeof(u16); + } else if (cpu_is_omap16xx()) { omap_mcbsp_count = OMAP16XX_MCBSP_PDATA_SZ; + omap_mcbsp_cache_size = OMAP16XX_MCBSP_REG_NUM * sizeof(u16); + } mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *), GFP_KERNEL); diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c index 6e5207c81cf4..349de90194e3 100644 --- a/arch/arm/mach-omap1/serial.c +++ b/arch/arm/mach-omap1/serial.c @@ -64,7 +64,7 @@ static void __init omap_serial_reset(struct plat_serial8250_port *p) static struct plat_serial8250_port serial_platform_data[] = { { - .mapbase = OMAP_UART1_BASE, + .mapbase = OMAP1_UART1_BASE, .irq = INT_UART1, .flags = UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM, @@ -72,7 +72,7 @@ static struct plat_serial8250_port serial_platform_data[] = { .uartclk = OMAP16XX_BASE_BAUD * 16, }, { - .mapbase = OMAP_UART2_BASE, + .mapbase = OMAP1_UART2_BASE, .irq = INT_UART2, .flags = UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM, @@ -80,7 +80,7 @@ static struct plat_serial8250_port serial_platform_data[] = { .uartclk = OMAP16XX_BASE_BAUD * 16, }, { - .mapbase = OMAP_UART3_BASE, + .mapbase = OMAP1_UART3_BASE, .irq = INT_UART3, .flags = UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM, diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c index 9ad118563f7d..20cfbcc6c60c 100644 --- a/arch/arm/mach-omap1/timer32k.c +++ b/arch/arm/mach-omap1/timer32k.c @@ -68,12 +68,6 @@ struct sys_timer omap_timer; * --------------------------------------------------------------------------- */ -#if defined(CONFIG_ARCH_OMAP16XX) -#define TIMER_32K_SYNCHRONIZED 0xfffbc410 -#else -#error OMAP 32KHz timer does not currently work on 15XX! -#endif - /* 16xx specific defines */ #define OMAP1_32K_TIMER_BASE 0xfffb9000 #define OMAP1_32K_TIMER_CR 0x08 @@ -150,15 +144,6 @@ static struct clock_event_device clockevent_32k_timer = { .set_mode = omap_32k_timer_set_mode, }; -/* - * The 32KHz synchronized timer is an additional timer on 16xx. - * It is always running. - */ -static inline unsigned long omap_32k_sync_timer_read(void) -{ - return omap_readl(TIMER_32K_SYNCHRONIZED); -} - static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = &clockevent_32k_timer; |