diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/snappercl15.c')
| -rw-r--r-- | arch/arm/mach-ep93xx/snappercl15.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c deleted file mode 100644 index 1dfb725671b1..000000000000 --- a/arch/arm/mach-ep93xx/snappercl15.c +++ /dev/null @@ -1,162 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * arch/arm/mach-ep93xx/snappercl15.c - * Bluewater Systems Snapper CL15 system module - * - * Copyright (C) 2009 Bluewater Systems Ltd - * Author: Ryan Mallon - * - * NAND code adapted from driver by: - * Andre Renaud <andre@bluewatersys.com> - * James R. McKaskill - */ - -#include <linux/platform_device.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/i2c.h> -#include <linux/fb.h> - -#include <linux/mtd/platnand.h> - -#include "hardware.h" -#include <linux/platform_data/video-ep93xx.h> -#include "gpio-ep93xx.h" - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include "soc.h" - -#define SNAPPERCL15_NAND_BASE (EP93XX_CS7_PHYS_BASE + SZ_16M) - -#define SNAPPERCL15_NAND_WPN (1 << 8) /* Write protect (active low) */ -#define SNAPPERCL15_NAND_ALE (1 << 9) /* Address latch */ -#define SNAPPERCL15_NAND_CLE (1 << 10) /* Command latch */ -#define SNAPPERCL15_NAND_CEN (1 << 11) /* Chip enable (active low) */ -#define SNAPPERCL15_NAND_RDY (1 << 14) /* Device ready */ - -#define NAND_CTRL_ADDR(chip) (chip->legacy.IO_ADDR_W + 0x40) - -static void snappercl15_nand_cmd_ctrl(struct nand_chip *chip, int cmd, - unsigned int ctrl) -{ - static u16 nand_state = SNAPPERCL15_NAND_WPN; - u16 set; - - if (ctrl & NAND_CTRL_CHANGE) { - set = SNAPPERCL15_NAND_CEN | SNAPPERCL15_NAND_WPN; - - if (ctrl & NAND_NCE) - set &= ~SNAPPERCL15_NAND_CEN; - if (ctrl & NAND_CLE) - set |= SNAPPERCL15_NAND_CLE; - if (ctrl & NAND_ALE) - set |= SNAPPERCL15_NAND_ALE; - - nand_state &= ~(SNAPPERCL15_NAND_CEN | - SNAPPERCL15_NAND_CLE | - SNAPPERCL15_NAND_ALE); - nand_state |= set; - __raw_writew(nand_state, NAND_CTRL_ADDR(chip)); - } - - if (cmd != NAND_CMD_NONE) - __raw_writew((cmd & 0xff) | nand_state, - chip->legacy.IO_ADDR_W); -} - -static int snappercl15_nand_dev_ready(struct nand_chip *chip) -{ - return !!(__raw_readw(NAND_CTRL_ADDR(chip)) & SNAPPERCL15_NAND_RDY); -} - -static struct mtd_partition snappercl15_nand_parts[] = { - { - .name = "Kernel", - .offset = 0, - .size = SZ_2M, - }, - { - .name = "Filesystem", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct platform_nand_data snappercl15_nand_data = { - .chip = { - .nr_chips = 1, - .partitions = snappercl15_nand_parts, - .nr_partitions = ARRAY_SIZE(snappercl15_nand_parts), - .chip_delay = 25, - }, - .ctrl = { - .dev_ready = snappercl15_nand_dev_ready, - .cmd_ctrl = snappercl15_nand_cmd_ctrl, - }, -}; - -static struct resource snappercl15_nand_resource[] = { - { - .start = SNAPPERCL15_NAND_BASE, - .end = SNAPPERCL15_NAND_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device snappercl15_nand_device = { - .name = "gen_nand", - .id = -1, - .dev.platform_data = &snappercl15_nand_data, - .resource = snappercl15_nand_resource, - .num_resources = ARRAY_SIZE(snappercl15_nand_resource), -}; - -static struct ep93xx_eth_data __initdata snappercl15_eth_data = { - .phy_id = 1, -}; - -static struct i2c_board_info __initdata snappercl15_i2c_data[] = { - { - /* Audio codec */ - I2C_BOARD_INFO("tlv320aic23", 0x1a), - }, -}; - -static struct ep93xxfb_mach_info __initdata snappercl15_fb_info = { -}; - -static struct platform_device snappercl15_audio_device = { - .name = "snappercl15-audio", - .id = -1, -}; - -static void __init snappercl15_register_audio(void) -{ - ep93xx_register_i2s(); - platform_device_register(&snappercl15_audio_device); -} - -static void __init snappercl15_init_machine(void) -{ - ep93xx_init_devices(); - ep93xx_register_eth(&snappercl15_eth_data, 1); - ep93xx_register_i2c(snappercl15_i2c_data, - ARRAY_SIZE(snappercl15_i2c_data)); - ep93xx_register_fb(&snappercl15_fb_info); - snappercl15_register_audio(); - platform_device_register(&snappercl15_nand_device); -} - -MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15") - /* Maintainer: Ryan Mallon */ - .atag_offset = 0x100, - .nr_irqs = NR_EP93XX_IRQS, - .map_io = ep93xx_map_io, - .init_irq = ep93xx_init_irq, - .init_time = ep93xx_timer_init, - .init_machine = snappercl15_init_machine, - .restart = ep93xx_restart, -MACHINE_END |