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[ARM] pxa: make cpu_is_pxa2* macros more consistent

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1. add a CPUID table in the comment

2. make cpu_is_pxa25x() true for PXA210/250/255/26x

3. PXA210 is treated as PXA25x, all related code modified to
   reflect this

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Eric Miao 2008-09-11 10:27:30 +08:00 committed by Russell King
parent 2b12797c59
commit 0ffcbfd54e
5 changed files with 70 additions and 19 deletions
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4
arch/arm/mach-pxa/generic.c
View file

@ -46,7 +46,7 @@ void clear_reset_status(unsigned int mask)
*/
unsigned int get_clk_frequency_khz(int info)
{
if (cpu_is_pxa21x() || cpu_is_pxa25x())
if (cpu_is_pxa25x())
return pxa25x_get_clk_frequency_khz(info);
else if (cpu_is_pxa27x())
return pxa27x_get_clk_frequency_khz(info);
@ -60,7 +60,7 @@ EXPORT_SYMBOL(get_clk_frequency_khz);
*/
unsigned int get_memclk_frequency_10khz(void)
{
if (cpu_is_pxa21x() || cpu_is_pxa25x())
if (cpu_is_pxa25x())
return pxa25x_get_memclk_frequency_10khz();
else if (cpu_is_pxa27x())
return pxa27x_get_memclk_frequency_10khz();

77
arch/arm/mach-pxa/include/mach/hardware.h
View file

@ -62,26 +62,72 @@
#ifndef __ASSEMBLY__
/*
* CPU Stepping CPU_ID JTAG_ID
*
* PXA210 B0 0x69052922 0x2926C013
* PXA210 B1 0x69052923 0x3926C013
* PXA210 B2 0x69052924 0x4926C013
* PXA210 C0 0x69052D25 0x5926C013
*
* PXA250 A0 0x69052100 0x09264013
* PXA250 A1 0x69052101 0x19264013
* PXA250 B0 0x69052902 0x29264013
* PXA250 B1 0x69052903 0x39264013
* PXA250 B2 0x69052904 0x49264013
* PXA250 C0 0x69052D05 0x59264013
*
* PXA255 A0 0x69052D06 0x69264013
*
* PXA26x A0 0x69052903 0x39264013
* PXA26x B0 0x69052D05 0x59264013
*
* PXA27x A0 0x69054110 0x09265013
* PXA27x A1 0x69054111 0x19265013
* PXA27x B0 0x69054112 0x29265013
* PXA27x B1 0x69054113 0x39265013
* PXA27x C0 0x69054114 0x49265013
* PXA27x C5 0x69054117 0x79265013
*
* PXA30x A0 0x69056880 0x0E648013
* PXA30x A1 0x69056881 0x1E648013
* PXA31x A0 0x69056890 0x0E649013
* PXA31x A1 0x69056891 0x1E649013
* PXA31x A2 0x69056892 0x2E649013
* PXA32x B1 0x69056825 0x5E642013
* PXA32x B2 0x69056826 0x6E642013
*
* PXA930 B0 0x69056835 0x5E643013
* PXA930 B1 0x69056837 0x7E643013
* PXA930 B2 0x69056838 0x8E643013
*/
#ifdef CONFIG_PXA25x
#define __cpu_is_pxa21x(id) \
#define __cpu_is_pxa210(id) \
({ \
unsigned int _id = (id) >> 4 & 0xf3f; \
_id == 0x212; \
unsigned int _id = (id) & 0xf3f0; \
_id == 0x2120; \
})
#define __cpu_is_pxa255(id) \
({ \
unsigned int _id = (id) >> 4 & 0xfff; \
_id == 0x2d0; \
})
#define __cpu_is_pxa250(id) \
({ \
unsigned int _id = (id) & 0xf3ff; \
_id <= 0x2105; \
})
#define __cpu_is_pxa255(id) \
({ \
unsigned int _id = (id) & 0xffff; \
_id == 0x2d06; \
})
#define __cpu_is_pxa25x(id) \
({ \
unsigned int _id = (id) >> 4 & 0xfff; \
_id == 0x2d0 || _id == 0x290; \
unsigned int _id = (id) & 0xf300; \
_id == 0x2100; \
})
#else
#define __cpu_is_pxa21x(id) (0)
#define __cpu_is_pxa210(id) (0)
#define __cpu_is_pxa250(id) (0)
#define __cpu_is_pxa255(id) (0)
#define __cpu_is_pxa25x(id) (0)
#endif
@ -136,9 +182,14 @@
#define __cpu_is_pxa930(id) (0)
#endif
#define cpu_is_pxa21x() \
#define cpu_is_pxa210() \
({ \
__cpu_is_pxa21x(read_cpuid_id()); \
__cpu_is_pxa210(read_cpuid_id()); \
})
#define cpu_is_pxa250() \
({ \
__cpu_is_pxa250(read_cpuid_id()); \
})
#define cpu_is_pxa255() \

2
arch/arm/mach-pxa/pxa25x.c
View file

@ -348,7 +348,7 @@ static int __init pxa25x_init(void)
{
int i, ret = 0;
if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
if (cpu_is_pxa25x()) {
reset_status = RCSR;

2
arch/arm/mach-pxa/time.c
View file

@ -155,7 +155,7 @@ static void __init pxa_timer_init(void)
OIER = 0;
OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
if (cpu_is_pxa21x() || cpu_is_pxa25x())
if (cpu_is_pxa25x())
clock_tick_rate = 3686400;
else if (machine_is_mainstone())
clock_tick_rate = 3249600;

4
drivers/mmc/host/pxamci.c
View file

@ -520,7 +520,7 @@ static int pxamci_probe(struct platform_device *pdev)
/*
* Block length register is only 10 bits before PXA27x.
*/
mmc->max_blk_size = (cpu_is_pxa21x() || cpu_is_pxa25x()) ? 1023 : 2048;
mmc->max_blk_size = cpu_is_pxa25x() ? 1023 : 2048;
/*
* Block count register is 16 bits.
@ -554,7 +554,7 @@ static int pxamci_probe(struct platform_device *pdev)
MMC_VDD_32_33|MMC_VDD_33_34;
mmc->caps = 0;
host->cmdat = 0;
if (!cpu_is_pxa21x() && !cpu_is_pxa25x()) {
if (!cpu_is_pxa25x()) {
mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ;
host->cmdat |= CMDAT_SDIO_INT_EN;
if (cpu_is_pxa300() || cpu_is_pxa310())