renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-18 02:04:05 +08:00
Code

ARM: imx: fix/define clocks and create devices for imx dma

Browse Source 
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-10-08 16:00:11 +02:00 committed by Sascha Hauer
parent 67520f3a89
commit 8a8d20600d
6 changed files with 139 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/mach-mx3/clock-imx31.c
View File

@ -477,7 +477,7 @@ DEFINE_CLOCK(epit1_clk, 0, MXC_CCM_CGR0, 6, NULL, NULL, &perclk_clk);
DEFINE_CLOCK(epit2_clk, 1, MXC_CCM_CGR0, 8, NULL, NULL, &perclk_clk);
DEFINE_CLOCK(iim_clk, 0, MXC_CCM_CGR0, 10, NULL, NULL, &ipg_clk);
DEFINE_CLOCK(ata_clk, 0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk);
DEFINE_CLOCK(sdma_clk1, 0, MXC_CCM_CGR0, 14, NULL, &sdma_clk1, &ahb_clk);
DEFINE_CLOCK(sdma_clk1, 0, MXC_CCM_CGR0, 14, NULL, NULL, &ahb_clk);
DEFINE_CLOCK(cspi3_clk, 2, MXC_CCM_CGR0, 16, NULL, NULL, &ipg_clk);
DEFINE_CLOCK(rng_clk, 0, MXC_CCM_CGR0, 18, NULL, NULL, &ipg_clk);
DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CGR0, 20, NULL, NULL, &perclk_clk);
@ -564,7 +564,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "ata", ata_clk)
_REGISTER_CLOCK(NULL, "rtic", rtic_clk)
_REGISTER_CLOCK(NULL, "rng", rng_clk)
_REGISTER_CLOCK(NULL, "sdma_ahb", sdma_clk1)
_REGISTER_CLOCK("imx-sdma", NULL, sdma_clk1)
_REGISTER_CLOCK(NULL, "sdma_ipg", sdma_clk2)
_REGISTER_CLOCK(NULL, "mstick", mstick1_clk)
_REGISTER_CLOCK(NULL, "mstick", mstick2_clk)

2
arch/arm/mach-mx3/clock-imx35.c
View File

@ -482,7 +482,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "rtc", rtc_clk)
_REGISTER_CLOCK(NULL, "rtic", rtic_clk)
_REGISTER_CLOCK(NULL, "scc", scc_clk)
_REGISTER_CLOCK(NULL, "sdma", sdma_clk)
_REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)
_REGISTER_CLOCK(NULL, "spba", spba_clk)
_REGISTER_CLOCK(NULL, "spdif", spdif_clk)
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)

5
arch/arm/mach-mx5/clock-mx51.c
View File

@ -977,6 +977,10 @@ DEFINE_CLOCK(cspi_ipg_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG9_OFFSET,
DEFINE_CLOCK(cspi_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG13_OFFSET,
NULL, NULL, &ipg_clk, &cspi_ipg_clk);
/* SDMA */
DEFINE_CLOCK(sdma_clk, 1, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG15_OFFSET,
NULL, NULL, &ahb_clk, NULL);
#define _REGISTER_CLOCK(d, n, c) \
{ \
.dev_id = d, \
@ -1003,6 +1007,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxc_nand", NULL, nfc_clk)
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
_REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)
_REGISTER_CLOCK(NULL, "ckih", ckih_clk)
_REGISTER_CLOCK(NULL, "ckih2", ckih2_clk)
_REGISTER_CLOCK(NULL, "gpt_32k", gpt_32k_clk)

1
arch/arm/plat-mxc/devices/Makefile
View File

@ -1,5 +1,6 @@
obj-$(CONFIG_IMX_HAVE_PLATFORM_ESDHC) += platform-esdhc.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
obj-y += platform-imx-dma.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SSI) += platform-imx-ssi.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UART) += platform-imx-uart.o

129
arch/arm/plat-mxc/devices/platform-imx-dma.c Normal file
View File

@ -0,0 +1,129 @@
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* 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/compiler.h>
#include <linux/err.h>
#include <linux/init.h>
#include <mach/hardware.h>
#include <mach/devices-common.h>
#ifdef SDMA_IS_MERGED
#include <mach/sdma.h>
#else
struct sdma_platform_data {
int sdma_version;
char *cpu_name;
int to_version;
};
#endif
struct imx_imx_sdma_data {
resource_size_t iobase;
resource_size_t irq;
struct sdma_platform_data pdata;
};
#define imx_imx_sdma_data_entry_single(soc, _sdma_version, _cpu_name, _to_version)\
{ \
.iobase = soc ## _SDMA ## _BASE_ADDR, \
.irq = soc ## _INT_SDMA, \
.pdata = { \
.sdma_version = _sdma_version, \
.cpu_name = _cpu_name, \
.to_version = _to_version, \
}, \
}
#ifdef CONFIG_ARCH_MX25
const struct imx_imx_sdma_data imx25_imx_sdma_data __initconst =
imx_imx_sdma_data_entry_single(MX25, 1, "imx25", 0);
#endif /* ifdef CONFIG_ARCH_MX25 */
#ifdef CONFIG_ARCH_MX31
struct imx_imx_sdma_data imx31_imx_sdma_data __initdata =
imx_imx_sdma_data_entry_single(MX31, 1, "imx31", 0);
#endif /* ifdef CONFIG_ARCH_MX31 */
#ifdef CONFIG_ARCH_MX35
struct imx_imx_sdma_data imx35_imx_sdma_data __initdata =
imx_imx_sdma_data_entry_single(MX35, 2, "imx35", 0);
#endif /* ifdef CONFIG_ARCH_MX35 */
#ifdef CONFIG_ARCH_MX51
const struct imx_imx_sdma_data imx51_imx_sdma_data __initconst =
imx_imx_sdma_data_entry_single(MX51, 2, "imx51", 0);
#endif /* ifdef CONFIG_ARCH_MX51 */
static struct platform_device __init __maybe_unused *imx_add_imx_sdma(
const struct imx_imx_sdma_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
return imx_add_platform_device("imx-sdma", -1,
res, ARRAY_SIZE(res),
&data->pdata, sizeof(data->pdata));
}
static struct platform_device __init __maybe_unused *imx_add_imx_dma(void)
{
return imx_add_platform_device("imx-dma", -1, NULL, 0, NULL, 0);
}
static int __init imxXX_add_imx_dma(void)
{
struct platform_device *ret;
#if defined(CONFIG_SOC_IMX21) || defined(CONFIG_SOC_IMX27)
if (cpu_is_mx21() || cpu_is_mx27())
ret = imx_add_imx_dma();
else
#endif
#if defined(CONFIG_ARCH_MX25)
if (cpu_is_mx25())
ret = imx_add_imx_sdma(&imx25_imx_sdma_data);
else
#endif
#if defined(CONFIG_ARCH_MX31)
if (cpu_is_mx31()) {
imx31_imx_sdma_data.pdata.to_version = mx31_revision() >> 4;
ret = imx_add_imx_sdma(&imx31_imx_sdma_data);
} else
#endif
#if defined(CONFIG_ARCH_MX35)
if (cpu_is_mx35()) {
imx35_imx_sdma_data.pdata.to_version = mx35_revision() >> 4;
ret = imx_add_imx_sdma(&imx35_imx_sdma_data);
} else
#endif
#if defined(CONFIG_ARCH_MX51)
if (cpu_is_mx51())
ret = imx_add_imx_sdma(&imx51_imx_sdma_data);
else
#endif
ret = ERR_PTR(-ENODEV);
if (IS_ERR(ret))
return PTR_ERR(ret);
return 0;
}
arch_initcall(imxXX_add_imx_dma);

2
arch/arm/plat-mxc/include/mach/mx51.h
View File

@ -285,7 +285,7 @@
#define MX51_MXC_INT_MMC_SDHC3 3
#define MX51_MXC_INT_MMC_SDHC4 4
#define MX51_MXC_INT_RESV5 5
#define MX51_MXC_INT_SDMA 6
#define MX51_INT_SDMA 6
#define MX51_MXC_INT_IOMUX 7
#define MX51_INT_NFC 8
#define MX51_MXC_INT_VPU 9