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| author | Michael Giacomelli <giac2000@hotmail.com> | 2016-03-27 22:46:53 +0200 |
|---|---|---|
| committer | Michael Giacomelli <giac2000@hotmail.com> | 2016-03-27 23:14:51 +0200 |
| commit | 7be692e80612ce180d1dc4c796f6ee0586ec565a (patch) | |
| tree | fdbadbf92805cebb557b080daba8e9b10b7264ee /firmware/export | |
| parent | 775b21ebc45051b51851ee5ed6597c221ed9cede (diff) | |
| download | rockbox-7be692e80612ce180d1dc4c796f6ee0586ec565a.tar.gz rockbox-7be692e80612ce180d1dc4c796f6ee0586ec565a.zip | |
Enable voltage scaling on AMSv2.
Voltage is reduced when the CPU is unboosted, resulting in a large
reduction in power consumption. In analogy with the AMSv1 voltage
scaling code (currently disabled due to problems with SD cards),
I have defined a config file option to enable/disable it.
Change-Id: Ia89c31ec06dd012354b4d53435e7b5b36243b206
Diffstat (limited to 'firmware/export')
| -rw-r--r-- | firmware/export/config/sansaclipplus.h | 3 | ||||
| -rw-r--r-- | firmware/export/config/sansaclipv2.h | 3 | ||||
| -rw-r--r-- | firmware/export/config/sansaclipzip.h | 3 | ||||
| -rw-r--r-- | firmware/export/config/sansafuzev2.h | 3 |
4 files changed, 12 insertions, 0 deletions
diff --git a/firmware/export/config/sansaclipplus.h b/firmware/export/config/sansaclipplus.h index 6b84faabd4..faa22259a6 100644 --- a/firmware/export/config/sansaclipplus.h +++ b/firmware/export/config/sansaclipplus.h | |||
| @@ -198,6 +198,9 @@ | |||
| 198 | /* Define this if you have adjustable CPU frequency */ | 198 | /* Define this if you have adjustable CPU frequency */ |
| 199 | #define HAVE_ADJUSTABLE_CPU_FREQ | 199 | #define HAVE_ADJUSTABLE_CPU_FREQ |
| 200 | 200 | ||
| 201 | /*define this to enable CPU voltage scaling on AMS devices*/ | ||
| 202 | #define HAVE_ADJUSTABLE_CPU_VOLTAGE | ||
| 203 | |||
| 201 | #define BOOTFILE_EXT "sansa" | 204 | #define BOOTFILE_EXT "sansa" |
| 202 | #define BOOTFILE "rockbox." BOOTFILE_EXT | 205 | #define BOOTFILE "rockbox." BOOTFILE_EXT |
| 203 | #define BOOTDIR "/.rockbox" | 206 | #define BOOTDIR "/.rockbox" |
diff --git a/firmware/export/config/sansaclipv2.h b/firmware/export/config/sansaclipv2.h index 5f6d195810..301cfc8c7f 100644 --- a/firmware/export/config/sansaclipv2.h +++ b/firmware/export/config/sansaclipv2.h | |||
| @@ -194,6 +194,9 @@ | |||
| 194 | /* Define this if you have adjustable CPU frequency */ | 194 | /* Define this if you have adjustable CPU frequency */ |
| 195 | #define HAVE_ADJUSTABLE_CPU_FREQ | 195 | #define HAVE_ADJUSTABLE_CPU_FREQ |
| 196 | 196 | ||
| 197 | /*define this to enable CPU voltage scaling on AMS devices*/ | ||
| 198 | #define HAVE_ADJUSTABLE_CPU_VOLTAGE | ||
| 199 | |||
| 197 | #define BOOTFILE_EXT "sansa" | 200 | #define BOOTFILE_EXT "sansa" |
| 198 | #define BOOTFILE "rockbox." BOOTFILE_EXT | 201 | #define BOOTFILE "rockbox." BOOTFILE_EXT |
| 199 | #define BOOTDIR "/.rockbox" | 202 | #define BOOTDIR "/.rockbox" |
diff --git a/firmware/export/config/sansaclipzip.h b/firmware/export/config/sansaclipzip.h index b028dadb75..ea1c57193d 100644 --- a/firmware/export/config/sansaclipzip.h +++ b/firmware/export/config/sansaclipzip.h | |||
| @@ -197,6 +197,9 @@ | |||
| 197 | /* Define this if you have adjustable CPU frequency */ | 197 | /* Define this if you have adjustable CPU frequency */ |
| 198 | #define HAVE_ADJUSTABLE_CPU_FREQ | 198 | #define HAVE_ADJUSTABLE_CPU_FREQ |
| 199 | 199 | ||
| 200 | /*define this to enable CPU voltage scaling on AMS devices*/ | ||
| 201 | #define HAVE_ADJUSTABLE_CPU_VOLTAGE | ||
| 202 | |||
| 200 | #define BOOTFILE_EXT "sansa" | 203 | #define BOOTFILE_EXT "sansa" |
| 201 | #define BOOTFILE "rockbox." BOOTFILE_EXT | 204 | #define BOOTFILE "rockbox." BOOTFILE_EXT |
| 202 | #define BOOTDIR "/.rockbox" | 205 | #define BOOTDIR "/.rockbox" |
diff --git a/firmware/export/config/sansafuzev2.h b/firmware/export/config/sansafuzev2.h index 3b4fb2279b..523a331df1 100644 --- a/firmware/export/config/sansafuzev2.h +++ b/firmware/export/config/sansafuzev2.h | |||
| @@ -210,6 +210,9 @@ | |||
| 210 | /* Define this if you have adjustable CPU frequency */ | 210 | /* Define this if you have adjustable CPU frequency */ |
| 211 | #define HAVE_ADJUSTABLE_CPU_FREQ | 211 | #define HAVE_ADJUSTABLE_CPU_FREQ |
| 212 | 212 | ||
| 213 | /*define this to enable CPU voltage scaling on AMS devices*/ | ||
| 214 | #define HAVE_ADJUSTABLE_CPU_VOLTAGE | ||
| 215 | |||
| 213 | #define BOOTFILE_EXT "sansa" | 216 | #define BOOTFILE_EXT "sansa" |
| 214 | #define BOOTFILE "rockbox." BOOTFILE_EXT | 217 | #define BOOTFILE "rockbox." BOOTFILE_EXT |
| 215 | #define BOOTDIR "/.rockbox" | 218 | #define BOOTDIR "/.rockbox" |