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imx: define functions to configure chip selects in the WEIM 

This has the addional effect that the macros CSCR_U, CSCR_L and CSCR_A
are not used anymore in mach-pcm038.c and mach-qong.c.  These still use
the deprecated IO_ADDRESS macro and shouldn't be used in new code.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Holger Schurig <hs4233@mail.mn-solutions.de>
Cc: Dmitriy Taychenachev <dimichxp@gmail.com>
hifive-unleashed-5.1
Uwe Kleine-König 2010-01-07 11:27:17 +01:00
parent 3cdd54417d
commit a8dfb6462a
5 changed files with 41 additions and 6 deletions
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4
arch/arm/mach-mx2/mach-pcm038.c
View File

@ -173,9 +173,7 @@ static struct platform_device *platform_devices[] __initdata = {
* setup other stuffs to access the sram. */
static void __init pcm038_init_sram(void)
{
__raw_writel(0x0000d843, CSCR_U(1));
__raw_writel(0x22252521, CSCR_L(1));
__raw_writel(0x22220a00, CSCR_A(1));
mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00);
}
static struct imxi2c_platform_data pcm038_i2c_1_data = {

4
arch/arm/mach-mx3/mach-qong.c
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@ -198,9 +198,7 @@ static struct platform_device qong_nand_device = {
static void __init qong_init_nand_mtd(void)
{
/* init CS */
__raw_writel(0x00004f00, CSCR_U(3));
__raw_writel(0x20013b31, CSCR_L(3));
__raw_writel(0x00020800, CSCR_A(3));
mx31_setup_weimcs(3, 0x00004f00, 0x20013b31, 0x00020800);
mxc_iomux_set_gpr(MUX_SDCTL_CSD1_SEL, true);
/* enable pin */

19
arch/arm/plat-mxc/include/mach/mx27.h
View File

@ -24,6 +24,10 @@
#ifndef __MACH_MX27_H__
#define __MACH_MX27_H__
#ifndef __ASSEMBLER__
#include <linux/io.h>
#endif
#define MX27_AIPI_BASE_ADDR 0x10000000
#define MX27_AIPI_BASE_ADDR_VIRT 0xf4000000
#define MX27_AIPI_SIZE SZ_1M
@ -109,6 +113,11 @@
#define MX27_M3IF_BASE_ADDR (MX27_X_MEMC_BASE_ADDR + 0x3000)
#define MX27_PCMCIA_CTL_BASE_ADDR (MX27_X_MEMC_BASE_ADDR + 0x4000)
#define MX27_WEIM_CSCRx_BASE_ADDR(cs) (MX27_WEIM_BASE_ADDR + (cs) * 0x10)
#define MX27_WEIM_CSCRxU(cs) (MX27_WEIM_CSCRx_BASE_ADDR(cs))
#define MX27_WEIM_CSCRxL(cs) (MX27_WEIM_CSCRx_BASE_ADDR(cs) + 0x4)
#define MX27_WEIM_CSCRxA(cs) (MX27_WEIM_CSCRx_BASE_ADDR(cs) + 0x8)
#define MX27_PCMCIA_MEM_BASE_ADDR 0xdc000000
/* IRAM */
@ -119,6 +128,16 @@
IMX_IO_ADDRESS(x, MX27_SAHB1) ?: \
IMX_IO_ADDRESS(x, MX27_X_MEMC))
#ifndef __ASSEMBLER__
static inline void mx27_setup_weimcs(size_t cs,
unsigned upper, unsigned lower, unsigned addional)
{
__raw_writel(upper, MX27_IO_ADDRESS(MX27_WEIM_CSCRxU(cs)));
__raw_writel(lower, MX27_IO_ADDRESS(MX27_WEIM_CSCRxL(cs)));
__raw_writel(addional, MX27_IO_ADDRESS(MX27_WEIM_CSCRxA(cs)));
}
#endif
/* fixed interrupt numbers */
#define MX27_INT_I2C2 1
#define MX27_INT_GPT6 2

19
arch/arm/plat-mxc/include/mach/mx31.h
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@ -1,6 +1,10 @@
#ifndef __MACH_MX31_H__
#define __MACH_MX31_H__
#ifndef __ASSEMBLER__
#include <linux/io.h>
#endif
/*
* IRAM
*/
@ -110,6 +114,11 @@
#define MX31_EMI_CTL_BASE_ADDR (MX31_X_MEMC_BASE_ADDR + 0x4000)
#define MX31_PCMCIA_CTL_BASE_ADDR MX31_EMI_CTL_BASE_ADDR
#define MX31_WEIM_CSCRx_BASE_ADDR(cs) (MX31_WEIM_BASE_ADDR + (cs) * 0x10)
#define MX31_WEIM_CSCRxU(cs) (MX31_WEIM_CSCRx_BASE_ADDR(cs))
#define MX31_WEIM_CSCRxL(cs) (MX31_WEIM_CSCRx_BASE_ADDR(cs) + 0x4)
#define MX31_WEIM_CSCRxA(cs) (MX31_WEIM_CSCRx_BASE_ADDR(cs) + 0x8)
#define MX31_PCMCIA_MEM_BASE_ADDR 0xbc000000
#define MX31_IO_ADDRESS(x) ( \
@ -119,6 +128,16 @@
IMX_IO_ADDRESS(x, MX31_X_MEMC) ?: \
IMX_IO_ADDRESS(x, MX31_SPBA0))
#ifndef __ASSEMBLER__
static inline void mx31_setup_weimcs(size_t cs,
unsigned upper, unsigned lower, unsigned addional)
{
__raw_writel(upper, MX31_IO_ADDRESS(MX31_WEIM_CSCRxU(cs)));
__raw_writel(lower, MX31_IO_ADDRESS(MX31_WEIM_CSCRxL(cs)));
__raw_writel(addional, MX31_IO_ADDRESS(MX31_WEIM_CSCRxA(cs)));
}
#endif
#define MX31_INT_I2C3 3
#define MX31_INT_I2C2 4
#define MX31_INT_MPEG4_ENCODER 5

1
arch/arm/plat-mxc/include/mach/mxc.h
View File

@ -121,6 +121,7 @@ extern unsigned int __mxc_cpu_type;
#endif
#if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
/* These are deprecated, use mx[23][157]_setup_weimcs instead. */
#define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10))
#define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x4))
#define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x8))