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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2016-03-04 10:36:41 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-03-14 19:18:44 -0400 |
| commit | ef76ebb1ef7b9b4c72c71b003c6617187e4cd7d9 (patch) | |
| tree | a09633f36b04fd5b492c7ad3cc8d677fef540801 /arch/arm | |
| parent | 5cd1f6bd7a44e8c3c62a548257bc5ceff61d1691 (diff) | |
| download | talos-obmc-uboot-ef76ebb1ef7b9b4c72c71b003c6617187e4cd7d9.tar.gz talos-obmc-uboot-ef76ebb1ef7b9b4c72c71b003c6617187e4cd7d9.zip | |
ARM: keystone2: K2G: Add support for different arm/device speeds
The maximum device and arm speeds can be determined by reading
EFUSE_BOOTROM register. As there is already a framework for reading this
register, adding support for all possible speeds on k2g devices.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-keystone/clock.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-keystone/include/mach/clock-k2g.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-keystone/include/mach/clock.h | 4 |
3 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/mach-keystone/clock.c b/arch/arm/mach-keystone/clock.c index 1ae3baf982..b25db1e3fe 100644 --- a/arch/arm/mach-keystone/clock.c +++ b/arch/arm/mach-keystone/clock.c @@ -238,8 +238,11 @@ static int get_max_speed(u32 val, u32 speed_supported, int *spds) return spds[speed]; } - /* If no bit is set, use SPD800 */ - return SPD800; + /* If no bit is set, return minimum speed */ + if (cpu_is_k2g()) + return SPD200; + else + return SPD800; } static inline u32 read_efuse_bootrom(void) diff --git a/arch/arm/mach-keystone/include/mach/clock-k2g.h b/arch/arm/mach-keystone/include/mach/clock-k2g.h index 214c1d3a83..74de6202fe 100644 --- a/arch/arm/mach-keystone/include/mach/clock-k2g.h +++ b/arch/arm/mach-keystone/include/mach/clock-k2g.h @@ -12,8 +12,8 @@ #define PLLSET_CMD_LIST "<pa|arm|ddr3>" -#define DEV_SUPPORTED_SPEEDS 0xfff -#define ARM_SUPPORTED_SPEEDS 0xfff +#define DEV_SUPPORTED_SPEEDS 0x1ff +#define ARM_SUPPORTED_SPEEDS 0xff #define KS2_CLK1_6 sys_clk0_6_clk diff --git a/arch/arm/mach-keystone/include/mach/clock.h b/arch/arm/mach-keystone/include/mach/clock.h index dfebcb03ea..72724aa4a9 100644 --- a/arch/arm/mach-keystone/include/mach/clock.h +++ b/arch/arm/mach-keystone/include/mach/clock.h @@ -63,8 +63,12 @@ #define CLOCK_INDEXES_LIST CLK_LIST(GENERATE_INDX_STR) enum { + SPD200, + SPD400, + SPD600, SPD800, SPD850, + SPD900, SPD1000, SPD1200, SPD1250, |
