openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: 6169/1: AT91: add new at91 chips in at91sam9g45 family 

This is the basic support for at91sam9g46, at91sam9m10 and at91sam9m11. Those
are just very basic cpu macros and clock definition.

Signed-off-by: Patrice Vilchez <patrice.vilchez@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Nicolas Ferre 2010-06-11 12:53:14 +01:00 committed by Russell King
parent 8a5c9e3937
commit 5f9f0a412f
2 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm/mach-at91/at91sam9g45.c
View File

@ -20,6 +20,7 @@
#include <mach/at91_pmc.h>
#include <mach/at91_rstc.h>
#include <mach/at91_shdwc.h>
#include <mach/cpu.h>
#include "generic.h"
#include "clock.h"
@ -176,6 +177,13 @@ static struct clk mmc1_clk = {
.type = CLK_TYPE_PERIPHERAL,
};
/* Video decoder clock - Only for sam9m10/sam9m11 */
static struct clk vdec_clk = {
.name = "vdec_clk",
.pmc_mask = 1 << AT91SAM9G45_ID_VDEC,
.type = CLK_TYPE_PERIPHERAL,
};
/* One additional fake clock for ohci */
static struct clk ohci_clk = {
.name = "ohci_clk",
@ -239,6 +247,9 @@ static void __init at91sam9g45_register_clocks(void)
for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
clk_register(periph_clocks[i]);
if (cpu_is_at91sam9m10() || cpu_is_at91sam9m11())
clk_register(&vdec_clk);
clk_register(&pck0);
clk_register(&pck1);
}

10
arch/arm/mach-at91/include/mach/cpu.h
View File

@ -52,6 +52,7 @@ static inline unsigned long at91_cpu_fully_identify(void)
#define ARCH_EXID_AT91SAM9M11 0x00000001
#define ARCH_EXID_AT91SAM9M10 0x00000002
#define ARCH_EXID_AT91SAM9G46 0x00000003
#define ARCH_EXID_AT91SAM9G45 0x00000004
static inline unsigned long at91_exid_identify(void)
@ -128,9 +129,18 @@ static inline unsigned long at91cap9_rev_identify(void)
#ifdef CONFIG_ARCH_AT91SAM9G45
#define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
#define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
#define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \
(at91_exid_identify() == ARCH_EXID_AT91SAM9M10))
#define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \
(at91_exid_identify() == ARCH_EXID_AT91SAM9G46))
#define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \
(at91_exid_identify() == ARCH_EXID_AT91SAM9M11))
#else
#define cpu_is_at91sam9g45() (0)
#define cpu_is_at91sam9g45es() (0)
#define cpu_is_at91sam9m10() (0)
#define cpu_is_at91sam9g46() (0)
#define cpu_is_at91sam9m11() (0)
#endif
#ifdef CONFIG_ARCH_AT91CAP9