2 * Copyright (C) ST-Ericsson SA 2010
4 * Author: Hanumath Prasad <hanumath.prasad@stericsson.com>
5 * License terms: GNU General Public License (GPL) version 2
8 #include <linux/kernel.h>
9 #include <linux/gpio.h>
10 #include <linux/amba/bus.h>
11 #include <linux/amba/mmci.h>
12 #include <linux/mmc/host.h>
13 #include <linux/platform_device.h>
14 #include <linux/platform_data/dma-ste-dma40.h>
16 #include <asm/mach-types.h>
19 #include "db8500-regs.h"
20 #include "devices-db8500.h"
21 #include "board-mop500.h"
22 #include "ste-dma40-db8500.h"
25 * v2 has a new version of this block that need to be forced, the number found
26 * in hardware is incorrect
28 #define U8500_SDI_V2_PERIPHID 0x10480180
31 * SDI 0 (MicroSD slot)
34 #ifdef CONFIG_STE_DMA40
35 struct stedma40_chan_cfg mop500_sdi0_dma_cfg_rx = {
36 .mode = STEDMA40_MODE_LOGICAL,
37 .dir = STEDMA40_PERIPH_TO_MEM,
38 .src_dev_type = DB8500_DMA_DEV29_SD_MM0_RX,
39 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
40 .src_info.data_width = STEDMA40_WORD_WIDTH,
41 .dst_info.data_width = STEDMA40_WORD_WIDTH,
44 static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
45 .mode = STEDMA40_MODE_LOGICAL,
46 .dir = STEDMA40_MEM_TO_PERIPH,
47 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
48 .dst_dev_type = DB8500_DMA_DEV29_SD_MM0_TX,
49 .src_info.data_width = STEDMA40_WORD_WIDTH,
50 .dst_info.data_width = STEDMA40_WORD_WIDTH,
54 struct mmci_platform_data mop500_sdi0_data = {
56 .capabilities = MMC_CAP_4_BIT_DATA |
57 MMC_CAP_SD_HIGHSPEED |
58 MMC_CAP_MMC_HIGHSPEED |
63 .sigdir = MCI_ST_FBCLKEN |
67 #ifdef CONFIG_STE_DMA40
68 .dma_filter = stedma40_filter,
69 .dma_rx_param = &mop500_sdi0_dma_cfg_rx,
70 .dma_tx_param = &mop500_sdi0_dma_cfg_tx,
74 static void sdi0_configure(struct device *parent)
76 /* Add the device, force v2 to subrevision 1 */
77 db8500_add_sdi0(parent, &mop500_sdi0_data, U8500_SDI_V2_PERIPHID);
80 void mop500_sdi_tc35892_init(struct device *parent)
82 mop500_sdi0_data.gpio_cd = GPIO_SDMMC_CD;
83 sdi0_configure(parent);
89 #ifdef CONFIG_STE_DMA40
90 static struct stedma40_chan_cfg sdi1_dma_cfg_rx = {
91 .mode = STEDMA40_MODE_LOGICAL,
92 .dir = STEDMA40_PERIPH_TO_MEM,
93 .src_dev_type = DB8500_DMA_DEV32_SD_MM1_RX,
94 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
95 .src_info.data_width = STEDMA40_WORD_WIDTH,
96 .dst_info.data_width = STEDMA40_WORD_WIDTH,
99 static struct stedma40_chan_cfg sdi1_dma_cfg_tx = {
100 .mode = STEDMA40_MODE_LOGICAL,
101 .dir = STEDMA40_MEM_TO_PERIPH,
102 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
103 .dst_dev_type = DB8500_DMA_DEV32_SD_MM1_TX,
104 .src_info.data_width = STEDMA40_WORD_WIDTH,
105 .dst_info.data_width = STEDMA40_WORD_WIDTH,
109 struct mmci_platform_data mop500_sdi1_data = {
110 .ocr_mask = MMC_VDD_29_30,
112 .capabilities = MMC_CAP_4_BIT_DATA |
113 MMC_CAP_NONREMOVABLE,
116 #ifdef CONFIG_STE_DMA40
117 .dma_filter = stedma40_filter,
118 .dma_rx_param = &sdi1_dma_cfg_rx,
119 .dma_tx_param = &sdi1_dma_cfg_tx,
124 * SDI 2 (POP eMMC, not on DB8500ed)
127 #ifdef CONFIG_STE_DMA40
128 struct stedma40_chan_cfg mop500_sdi2_dma_cfg_rx = {
129 .mode = STEDMA40_MODE_LOGICAL,
130 .dir = STEDMA40_PERIPH_TO_MEM,
131 .src_dev_type = DB8500_DMA_DEV28_SD_MM2_RX,
132 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
133 .src_info.data_width = STEDMA40_WORD_WIDTH,
134 .dst_info.data_width = STEDMA40_WORD_WIDTH,
137 static struct stedma40_chan_cfg mop500_sdi2_dma_cfg_tx = {
138 .mode = STEDMA40_MODE_LOGICAL,
139 .dir = STEDMA40_MEM_TO_PERIPH,
140 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
141 .dst_dev_type = DB8500_DMA_DEV28_SD_MM2_TX,
142 .src_info.data_width = STEDMA40_WORD_WIDTH,
143 .dst_info.data_width = STEDMA40_WORD_WIDTH,
147 struct mmci_platform_data mop500_sdi2_data = {
148 .ocr_mask = MMC_VDD_165_195,
150 .capabilities = MMC_CAP_4_BIT_DATA |
152 MMC_CAP_NONREMOVABLE |
153 MMC_CAP_MMC_HIGHSPEED |
158 #ifdef CONFIG_STE_DMA40
159 .dma_filter = stedma40_filter,
160 .dma_rx_param = &mop500_sdi2_dma_cfg_rx,
161 .dma_tx_param = &mop500_sdi2_dma_cfg_tx,
166 * SDI 4 (on-board eMMC)
169 #ifdef CONFIG_STE_DMA40
170 struct stedma40_chan_cfg mop500_sdi4_dma_cfg_rx = {
171 .mode = STEDMA40_MODE_LOGICAL,
172 .dir = STEDMA40_PERIPH_TO_MEM,
173 .src_dev_type = DB8500_DMA_DEV42_SD_MM4_RX,
174 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
175 .src_info.data_width = STEDMA40_WORD_WIDTH,
176 .dst_info.data_width = STEDMA40_WORD_WIDTH,
179 static struct stedma40_chan_cfg mop500_sdi4_dma_cfg_tx = {
180 .mode = STEDMA40_MODE_LOGICAL,
181 .dir = STEDMA40_MEM_TO_PERIPH,
182 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
183 .dst_dev_type = DB8500_DMA_DEV42_SD_MM4_TX,
184 .src_info.data_width = STEDMA40_WORD_WIDTH,
185 .dst_info.data_width = STEDMA40_WORD_WIDTH,
189 struct mmci_platform_data mop500_sdi4_data = {
191 .capabilities = MMC_CAP_4_BIT_DATA |
193 MMC_CAP_NONREMOVABLE |
194 MMC_CAP_MMC_HIGHSPEED |
199 #ifdef CONFIG_STE_DMA40
200 .dma_filter = stedma40_filter,
201 .dma_rx_param = &mop500_sdi4_dma_cfg_rx,
202 .dma_tx_param = &mop500_sdi4_dma_cfg_tx,
206 void __init mop500_sdi_init(struct device *parent)
209 db8500_add_sdi2(parent, &mop500_sdi2_data, U8500_SDI_V2_PERIPHID);
211 db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
214 * On boards with the TC35892 GPIO expander, sdi0 will finally
215 * be added when the TC35892 initializes and calls
216 * mop500_sdi_tc35892_init() above.
220 void __init snowball_sdi_init(struct device *parent)
222 /* On Snowball MMC_CAP_SD_HIGHSPEED isn't supported (Hardware issue?) */
223 mop500_sdi0_data.capabilities &= ~MMC_CAP_SD_HIGHSPEED;
225 db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
226 /* External Micro SD slot */
227 mop500_sdi0_data.gpio_cd = SNOWBALL_SDMMC_CD_GPIO;
228 mop500_sdi0_data.cd_invert = true;
229 sdi0_configure(parent);
232 void __init hrefv60_sdi_init(struct device *parent)
235 db8500_add_sdi2(parent, &mop500_sdi2_data, U8500_SDI_V2_PERIPHID);
237 db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID);
238 /* External Micro SD slot */
239 mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO;
240 sdi0_configure(parent);
241 /* WLAN SDIO channel */
242 db8500_add_sdi1(parent, &mop500_sdi1_data, U8500_SDI_V2_PERIPHID);