| .. | .. |
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| 1 | +// SPDX-License-Identifier: GPL-2.0+ |
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| 1 | 2 | /* |
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| 2 | 3 | * Platform support for LPC32xx SoC |
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| 3 | 4 | * |
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| .. | .. |
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| 5 | 6 | * |
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| 6 | 7 | * Copyright (C) 2012 Roland Stigge <stigge@antcom.de> |
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| 7 | 8 | * Copyright (C) 2010 NXP Semiconductors |
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| 8 | | - * |
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| 9 | | - * This program is free software; you can redistribute it and/or modify |
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| 10 | | - * it under the terms of the GNU General Public License as published by |
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| 11 | | - * the Free Software Foundation; either version 2 of the License, or |
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| 12 | | - * (at your option) any later version. |
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| 13 | | - * |
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| 14 | | - * This program is distributed in the hope that it will be useful, |
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| 15 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | | - * GNU General Public License for more details. |
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| 18 | 9 | */ |
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| 19 | 10 | |
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| 20 | | -#include <linux/init.h> |
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| 21 | | -#include <linux/platform_device.h> |
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| 22 | | -#include <linux/device.h> |
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| 23 | | -#include <linux/interrupt.h> |
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| 24 | | -#include <linux/irq.h> |
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| 25 | | -#include <linux/dma-mapping.h> |
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| 26 | | -#include <linux/gpio.h> |
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| 27 | | -#include <linux/amba/bus.h> |
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| 28 | | -#include <linux/amba/clcd.h> |
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| 29 | 11 | #include <linux/amba/pl08x.h> |
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| 30 | | -#include <linux/amba/mmci.h> |
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| 31 | | -#include <linux/of.h> |
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| 32 | | -#include <linux/of_address.h> |
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| 33 | | -#include <linux/of_irq.h> |
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| 34 | | -#include <linux/of_platform.h> |
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| 35 | | -#include <linux/clk.h> |
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| 36 | | -#include <linux/mtd/lpc32xx_slc.h> |
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| 37 | 12 | #include <linux/mtd/lpc32xx_mlc.h> |
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| 13 | +#include <linux/mtd/lpc32xx_slc.h> |
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| 14 | +#include <linux/of_platform.h> |
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| 38 | 15 | |
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| 39 | | -#include <asm/setup.h> |
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| 40 | | -#include <asm/mach-types.h> |
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| 41 | 16 | #include <asm/mach/arch.h> |
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| 42 | | - |
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| 43 | | -#include <mach/hardware.h> |
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| 44 | | -#include <mach/platform.h> |
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| 45 | | -#include <mach/board.h> |
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| 46 | 17 | #include "common.h" |
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| 47 | | - |
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| 48 | | -/* |
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| 49 | | - * AMBA LCD controller |
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| 50 | | - */ |
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| 51 | | -static struct clcd_panel conn_lcd_panel = { |
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| 52 | | - .mode = { |
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| 53 | | - .name = "QVGA portrait", |
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| 54 | | - .refresh = 60, |
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| 55 | | - .xres = 240, |
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| 56 | | - .yres = 320, |
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| 57 | | - .pixclock = 191828, |
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| 58 | | - .left_margin = 22, |
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| 59 | | - .right_margin = 11, |
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| 60 | | - .upper_margin = 2, |
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| 61 | | - .lower_margin = 1, |
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| 62 | | - .hsync_len = 5, |
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| 63 | | - .vsync_len = 2, |
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| 64 | | - .sync = 0, |
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| 65 | | - .vmode = FB_VMODE_NONINTERLACED, |
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| 66 | | - }, |
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| 67 | | - .width = -1, |
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| 68 | | - .height = -1, |
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| 69 | | - .tim2 = (TIM2_IVS | TIM2_IHS), |
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| 70 | | - .cntl = (CNTL_BGR | CNTL_LCDTFT | CNTL_LCDVCOMP(1) | |
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| 71 | | - CNTL_LCDBPP16_565), |
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| 72 | | - .bpp = 16, |
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| 73 | | -}; |
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| 74 | | -#define PANEL_SIZE (3 * SZ_64K) |
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| 75 | | - |
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| 76 | | -static int lpc32xx_clcd_setup(struct clcd_fb *fb) |
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| 77 | | -{ |
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| 78 | | - dma_addr_t dma; |
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| 79 | | - |
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| 80 | | - fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, PANEL_SIZE, &dma, |
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| 81 | | - GFP_KERNEL); |
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| 82 | | - if (!fb->fb.screen_base) { |
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| 83 | | - printk(KERN_ERR "CLCD: unable to map framebuffer\n"); |
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| 84 | | - return -ENOMEM; |
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| 85 | | - } |
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| 86 | | - |
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| 87 | | - fb->fb.fix.smem_start = dma; |
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| 88 | | - fb->fb.fix.smem_len = PANEL_SIZE; |
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| 89 | | - fb->panel = &conn_lcd_panel; |
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| 90 | | - |
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| 91 | | - return 0; |
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| 92 | | -} |
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| 93 | | - |
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| 94 | | -static int lpc32xx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) |
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| 95 | | -{ |
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| 96 | | - return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base, |
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| 97 | | - fb->fb.fix.smem_start, fb->fb.fix.smem_len); |
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| 98 | | -} |
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| 99 | | - |
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| 100 | | -static void lpc32xx_clcd_remove(struct clcd_fb *fb) |
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| 101 | | -{ |
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| 102 | | - dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base, |
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| 103 | | - fb->fb.fix.smem_start); |
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| 104 | | -} |
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| 105 | | - |
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| 106 | | -static struct clcd_board lpc32xx_clcd_data = { |
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| 107 | | - .name = "Phytec LCD", |
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| 108 | | - .check = clcdfb_check, |
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| 109 | | - .decode = clcdfb_decode, |
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| 110 | | - .setup = lpc32xx_clcd_setup, |
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| 111 | | - .mmap = lpc32xx_clcd_mmap, |
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| 112 | | - .remove = lpc32xx_clcd_remove, |
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| 113 | | -}; |
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| 114 | 18 | |
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| 115 | 19 | static struct pl08x_channel_data pl08x_slave_channels[] = { |
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| 116 | 20 | { |
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| .. | .. |
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| 148 | 52 | .mem_buses = PL08X_AHB1, |
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| 149 | 53 | }; |
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| 150 | 54 | |
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| 151 | | -static struct mmci_platform_data lpc32xx_mmci_data = { |
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| 152 | | - .ocr_mask = MMC_VDD_30_31 | MMC_VDD_31_32 | |
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| 153 | | - MMC_VDD_32_33 | MMC_VDD_33_34, |
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| 154 | | -}; |
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| 155 | | - |
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| 156 | 55 | static struct lpc32xx_slc_platform_data lpc32xx_slc_data = { |
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| 157 | 56 | .dma_filter = pl08x_filter_id, |
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| 158 | 57 | }; |
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| .. | .. |
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| 162 | 61 | }; |
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| 163 | 62 | |
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| 164 | 63 | static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = { |
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| 165 | | - OF_DEV_AUXDATA("arm,pl022", 0x20084000, "dev:ssp0", NULL), |
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| 166 | | - OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", NULL), |
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| 167 | | - OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data), |
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| 168 | 64 | OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd), |
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| 169 | | - OF_DEV_AUXDATA("arm,pl18x", 0x20098000, "20098000.sd", |
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| 170 | | - &lpc32xx_mmci_data), |
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| 171 | 65 | OF_DEV_AUXDATA("nxp,lpc3220-slc", 0x20020000, "20020000.flash", |
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| 172 | 66 | &lpc32xx_slc_data), |
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| 173 | 67 | OF_DEV_AUXDATA("nxp,lpc3220-mlc", 0x200a8000, "200a8000.flash", |
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| .. | .. |
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| 177 | 71 | |
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| 178 | 72 | static void __init lpc3250_machine_init(void) |
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| 179 | 73 | { |
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| 180 | | - u32 tmp; |
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| 181 | | - |
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| 182 | | - /* Setup LCD muxing to RGB565 */ |
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| 183 | | - tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL) & |
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| 184 | | - ~(LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_MSK | |
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| 185 | | - LPC32XX_CLKPWR_LCDCTRL_PSCALE_MSK); |
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| 186 | | - tmp |= LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_TFT16; |
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| 187 | | - __raw_writel(tmp, LPC32XX_CLKPWR_LCDCLK_CTRL); |
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| 188 | | - |
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| 189 | 74 | lpc32xx_serial_init(); |
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| 190 | | - |
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| 191 | | - /* Test clock needed for UDA1380 initial init */ |
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| 192 | | - __raw_writel(LPC32XX_CLKPWR_TESTCLK2_SEL_MOSC | |
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| 193 | | - LPC32XX_CLKPWR_TESTCLK_TESTCLK2_EN, |
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| 194 | | - LPC32XX_CLKPWR_TEST_CLK_SEL); |
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| 195 | 75 | |
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| 196 | 76 | of_platform_default_populate(NULL, lpc32xx_auxdata_lookup, NULL); |
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| 197 | 77 | } |
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