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Amit Kucheriaa329b482010-02-04 12:21:53 -08001/*
Dinh Nguyenb66ff7a2010-11-15 11:30:00 -06002 * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
Amit Kucheriaa329b482010-02-04 12:21:53 -08003 *
4 * The code contained herein is licensed under the GNU General Public
5 * License. You may obtain a copy of the GNU General Public License
6 * Version 2 or later at the following locations:
7 *
8 * http://www.opensource.org/licenses/gpl-license.html
9 * http://www.gnu.org/copyleft/gpl.html
10 *
11 * Create static mapping between physical to virtual memory.
12 */
13
14#include <linux/mm.h>
15#include <linux/init.h>
Hui Wang010dc8a2011-10-09 17:42:15 +080016#include <linux/clk.h>
Dong Aishenga2aa65a2012-05-02 19:31:20 +080017#include <linux/pinctrl/machine.h>
Fabio Estevam823b2fe2013-10-01 00:21:13 -030018#include <linux/of_address.h>
Amit Kucheriaa329b482010-02-04 12:21:53 -080019
20#include <asm/mach/map.h>
21
Shawn Guoe3372472012-09-13 21:01:00 +080022#include "common.h"
Shawn Guoe0557c02012-09-13 15:51:15 +080023#include "devices/devices-common.h"
Shawn Guo50f2de62012-09-14 14:14:45 +080024#include "hardware.h"
Shawn Guo267dd342012-09-13 13:26:00 +080025#include "iomux-v3.h"
Amit Kucheriaa329b482010-02-04 12:21:53 -080026
27/*
28 * Define the MX51 memory map.
29 */
Uwe Kleine-König08ff97b2010-10-25 15:38:09 +020030static struct map_desc mx51_io_desc[] __initdata = {
Jason Liu4c542392011-09-09 17:17:49 +080031 imx_map_entry(MX51, TZIC, MT_DEVICE),
Uwe Kleine-König08ff97b2010-10-25 15:38:09 +020032 imx_map_entry(MX51, IRAM, MT_DEVICE),
Uwe Kleine-König08ff97b2010-10-25 15:38:09 +020033 imx_map_entry(MX51, AIPS1, MT_DEVICE),
34 imx_map_entry(MX51, SPBA0, MT_DEVICE),
35 imx_map_entry(MX51, AIPS2, MT_DEVICE),
Amit Kucheriaa329b482010-02-04 12:21:53 -080036};
37
38/*
Dinh Nguyenb66ff7a2010-11-15 11:30:00 -060039 * Define the MX53 memory map.
40 */
41static struct map_desc mx53_io_desc[] __initdata = {
Jason Liu4c542392011-09-09 17:17:49 +080042 imx_map_entry(MX53, TZIC, MT_DEVICE),
Dinh Nguyenb66ff7a2010-11-15 11:30:00 -060043 imx_map_entry(MX53, AIPS1, MT_DEVICE),
44 imx_map_entry(MX53, SPBA0, MT_DEVICE),
45 imx_map_entry(MX53, AIPS2, MT_DEVICE),
46};
47
48/*
Amit Kucheriaa329b482010-02-04 12:21:53 -080049 * This function initializes the memory map. It is called during the
50 * system startup to create static physical to virtual memory mappings
51 * for the IO modules.
52 */
53void __init mx51_map_io(void)
54{
Uwe Kleine-Königab1304212011-02-07 16:35:21 +010055 iotable_init(mx51_io_desc, ARRAY_SIZE(mx51_io_desc));
56}
57
Jason Liuabca2e12011-09-09 17:17:47 +080058void __init mx53_map_io(void)
59{
60 iotable_init(mx53_io_desc, ARRAY_SIZE(mx53_io_desc));
61}
62
Sascha Hauera4dfccf2012-11-12 15:39:55 +010063/*
64 * The MIPI HSC unit has been removed from the i.MX51 Reference Manual by
65 * the Freescale marketing division. However this did not remove the
66 * hardware from the chip which still needs to be configured for proper
67 * IPU support.
68 */
69static void __init imx51_ipu_mipi_setup(void)
70{
71 void __iomem *hsc_addr;
72 hsc_addr = MX51_IO_ADDRESS(MX51_MIPI_HSC_BASE_ADDR);
73
74 /* setup MIPI module to legacy mode */
75 __raw_writel(0xf00, hsc_addr);
76
77 /* CSI mode: reserved; DI control mode: legacy (from Freescale BSP) */
78 __raw_writel(__raw_readl(hsc_addr + 0x800) | 0x30ff,
79 hsc_addr + 0x800);
80}
81
Uwe Kleine-Königab1304212011-02-07 16:35:21 +010082void __init imx51_init_early(void)
83{
Sascha Hauera4dfccf2012-11-12 15:39:55 +010084 imx51_ipu_mipi_setup();
Amit Kucheriaa329b482010-02-04 12:21:53 -080085 mxc_set_cpu_type(MXC_CPU_MX51);
86 mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
Philipp Zabelbd3d9242013-03-28 17:35:22 +010087 imx_src_init();
Amit Kucheriaa329b482010-02-04 12:21:53 -080088}
89
Uwe Kleine-Königab1304212011-02-07 16:35:21 +010090void __init imx53_init_early(void)
91{
Dinh Nguyenb66ff7a2010-11-15 11:30:00 -060092 mxc_set_cpu_type(MXC_CPU_MX53);
Philipp Zabelbd3d9242013-03-28 17:35:22 +010093 imx_src_init();
Dinh Nguyenb66ff7a2010-11-15 11:30:00 -060094}
95
Amit Kucheriaa329b482010-02-04 12:21:53 -080096void __init mx51_init_irq(void)
97{
Jason Liu4c542392011-09-09 17:17:49 +080098 tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
Amit Kucheriaa329b482010-02-04 12:21:53 -080099}
Dinh Nguyenc0abefd2010-11-15 11:29:59 -0600100
Dinh Nguyenc0abefd2010-11-15 11:29:59 -0600101void __init mx53_init_irq(void)
102{
Fabio Estevam823b2fe2013-10-01 00:21:13 -0300103 struct device_node *np;
104 void __iomem *base;
105
106 np = of_find_compatible_node(NULL, NULL, "fsl,imx53-tzic");
107 base = of_iomap(np, 0);
108 WARN_ON(!base);
109
110 tzic_init_irq(base);
Shawn Guob78d8e52011-06-06 00:07:55 +0800111}
112
Shawn Guo36223602011-06-22 22:41:30 +0800113static struct sdma_platform_data imx51_sdma_pdata __initdata = {
Shawn Guo2e534b22011-06-22 22:41:31 +0800114 .fw_name = "sdma-imx51.bin",
Shawn Guo36223602011-06-22 22:41:30 +0800115};
116
Richard Zhao3bc34a62012-03-05 22:30:52 +0800117static const struct resource imx51_audmux_res[] __initconst = {
118 DEFINE_RES_MEM(MX51_AUDMUX_BASE_ADDR, SZ_16K),
119};
120
Shawn Guob78d8e52011-06-06 00:07:55 +0800121void __init imx51_soc_init(void)
122{
Shawn Guo18cb6802013-05-10 09:13:44 +0800123 mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
Shawn Guo69ac71d2012-09-20 14:21:16 +0800124 mxc_device_init();
125
Benoît Thébaudeauaeb27742012-06-22 21:04:06 +0200126 /* i.mx51 has the i.mx35 type gpio */
127 mxc_register_gpio("imx35-gpio", 0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_INT_GPIO1_LOW, MX51_INT_GPIO1_HIGH);
128 mxc_register_gpio("imx35-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_INT_GPIO2_LOW, MX51_INT_GPIO2_HIGH);
129 mxc_register_gpio("imx35-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_INT_GPIO3_LOW, MX51_INT_GPIO3_HIGH);
130 mxc_register_gpio("imx35-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_INT_GPIO4_LOW, MX51_INT_GPIO4_HIGH);
Shawn Guo36223602011-06-22 22:41:30 +0800131
Fabio Estevameb5558d2012-05-20 14:21:09 -0300132 pinctrl_provide_dummies();
133
Shawn Guo62550cd2011-07-13 21:33:17 +0800134 /* i.mx51 has the i.mx35 type sdma */
135 imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata);
Fabio Estevamaa6a9fa2012-03-02 07:45:58 -0300136
137 /* Setup AIPS registers */
138 imx_set_aips(MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR));
139 imx_set_aips(MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR));
Linus Torvalds281b0532012-03-27 16:14:44 -0700140
Richard Zhao3bc34a62012-03-05 22:30:52 +0800141 /* i.mx51 has the i.mx31 type audmux */
142 platform_device_register_simple("imx31-audmux", 0, imx51_audmux_res,
143 ARRAY_SIZE(imx51_audmux_res));
Shawn Guob78d8e52011-06-06 00:07:55 +0800144}
145
Shawn Guo8321b752012-04-26 11:42:34 +0800146void __init imx51_init_late(void)
147{
148 mx51_neon_fixup();
Fabio Estevam547dd1e2013-07-26 00:17:36 -0300149 imx5_pm_init();
Shawn Guo8321b752012-04-26 11:42:34 +0800150}
Robert Leeaa96a182012-05-21 17:50:27 -0500151
152void __init imx53_init_late(void)
153{
Fabio Estevam547dd1e2013-07-26 00:17:36 -0300154 imx5_pm_init();
Amit Kucheriaa329b482010-02-04 12:21:53 -0800155}