* add's the new temporary CONFIG_AT91_LEGACY to all board configs * This will need for backward compatiblity, while change the SoC access to c structures. If CONFIG_AT91_LEGACY is defined, the deprecated SoC is used. * please see README.at91-soc for details
Signed-off-by: Jens Scharsig <js_at...@scharsoft.de> --- doc/README.at91-soc | 42 ++++++++++++++++++++++++++++++++++++ include/configs/afeb9260.h | 2 + include/configs/at91cap9adk.h | 2 + include/configs/at91rm9200dk.h | 2 + include/configs/at91rm9200ek.h | 2 + include/configs/at91sam9260ek.h | 2 + include/configs/at91sam9261ek.h | 2 + include/configs/at91sam9263ek.h | 2 + include/configs/at91sam9m10g45ek.h | 2 + include/configs/at91sam9rlek.h | 2 + include/configs/cmc_pu2.h | 2 + include/configs/cpu9260.h | 2 + include/configs/cpuat91.h | 2 + include/configs/csb637.h | 2 + include/configs/kb9202.h | 2 + include/configs/m501sk.h | 2 + include/configs/meesc.h | 2 + include/configs/mp2usb.h | 2 + include/configs/pm9261.h | 2 + include/configs/pm9263.h | 2 + include/configs/sbc35_a9g20.h | 2 + include/configs/tny_a9260.h | 2 + 22 files changed, 84 insertions(+), 0 deletions(-) create mode 100644 doc/README.at91-soc diff --git a/doc/README.at91-soc b/doc/README.at91-soc new file mode 100644 index 0000000..063016e --- /dev/null +++ b/doc/README.at91-soc @@ -0,0 +1,42 @@ + New C structure AT91 SoC access +================================= + +The gool +-------- + +Currently the at91 arch uses hundreds of address defines and special +at91_xxxx_write/read functions to access the SOC. +The u-boot project prefer the better to readable access via c stuctures, +which describe the SoC peripherie. + +e.g. old + + *AT91C_PIOA_IDR = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + *AT91C_PIOC_PUDR = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + *AT91C_PIOC_PER = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + *AT91C_PIOC_OER = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + *AT91C_PIOC_PIO = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + + at91_sys_write(AT91_RSTC_CR, + AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); + +e.g new + pin = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + writel(pin, &pio->pioa.idr); + writel(pin, &pio->pioa.pudr); + writel(pin, &pio->pioa.per); + writel(pin, &pio->pioa.oer); + writel(pin, &pio->pioa.sodr); + + writel(AT91_RSTC_KEY | AT91_RSTC_CR_PROCRST | + AT91_RSTC_CR_PERRST, &rstc->cr); + +The Way +------- + +1. add's the new temporary CONFIG_AT91_LEGACY to all board configs + that not converted to new SoC access +2. add new structures for SoC access +3. Convert arch, driver and boards file zu new SoC +4. remove legacy code, if all boards and drives are ready + diff --git a/include/configs/afeb9260.h b/include/configs/afeb9260.h index 58b8c8c..3b69de8 100644 --- a/include/configs/afeb9260.h +++ b/include/configs/afeb9260.h @@ -26,6 +26,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_MAIN_CLOCK 18429952 /* from 18.432 MHz crystal */ #define CONFIG_SYS_HZ 1000 diff --git a/include/configs/at91cap9adk.h b/include/configs/at91cap9adk.h index 322718f..4c2782a 100644 --- a/include/configs/at91cap9adk.h +++ b/include/configs/at91cap9adk.h @@ -27,6 +27,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */ #define CONFIG_SYS_HZ 1000 diff --git a/include/configs/at91rm9200dk.h b/include/configs/at91rm9200dk.h index 590c69a..bc61677 100644 --- a/include/configs/at91rm9200dk.h +++ b/include/configs/at91rm9200dk.h @@ -25,6 +25,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */ #define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */ diff --git a/include/configs/at91rm9200ek.h b/include/configs/at91rm9200ek.h index b4f075e..f5206b1 100644 --- a/include/configs/at91rm9200ek.h +++ b/include/configs/at91rm9200ek.h @@ -26,6 +26,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ /* * from 18.432 MHz crystal diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h index 0509011..a620d57 100644 --- a/include/configs/at91sam9260ek.h +++ b/include/configs/at91sam9260ek.h @@ -27,6 +27,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ #define CONFIG_SYS_HZ 1000 diff --git a/include/configs/at91sam9261ek.h b/include/configs/at91sam9261ek.h index fbf7389..832b1cd 100644 --- a/include/configs/at91sam9261ek.h +++ b/include/configs/at91sam9261ek.h @@ -27,6 +27,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ #define CONFIG_SYS_HZ 1000 diff --git a/include/configs/at91sam9263ek.h b/include/configs/at91sam9263ek.h index 571351c..1d82a15 100644 --- a/include/configs/at91sam9263ek.h +++ b/include/configs/at91sam9263ek.h @@ -27,6 +27,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_MAIN_CLOCK 16367660 /* 16.367 MHz crystal */ #define CONFIG_SYS_HZ 1000 diff --git a/include/configs/at91sam9m10g45ek.h b/include/configs/at91sam9m10g45ek.h index 06184e7..50b118f 100644 --- a/include/configs/at91sam9m10g45ek.h +++ b/include/configs/at91sam9m10g45ek.h @@ -27,6 +27,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ #define CONFIG_SYS_HZ 1000 diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h index 6fad75d..8db296a 100644 --- a/include/configs/at91sam9rlek.h +++ b/include/configs/at91sam9rlek.h @@ -27,6 +27,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */ #define CONFIG_SYS_HZ 1000 diff --git a/include/configs/cmc_pu2.h b/include/configs/cmc_pu2.h index be478b2..16ae03e 100644 --- a/include/configs/cmc_pu2.h +++ b/include/configs/cmc_pu2.h @@ -25,6 +25,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */ #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK/3) /* peripheral clock */ diff --git a/include/configs/cpu9260.h b/include/configs/cpu9260.h index 4ef8566..e967e7c 100644 --- a/include/configs/cpu9260.h +++ b/include/configs/cpu9260.h @@ -31,6 +31,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + #define CONFIG_DISPLAY_CPUINFO 1 #define AT91_MAIN_CLOCK 18432000 diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h index 8746f70..9f0ac03 100644 --- a/include/configs/cpuat91.h +++ b/include/configs/cpuat91.h @@ -26,6 +26,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + #ifdef CONFIG_CPUAT91_RAM #define CONFIG_SKIP_LOWLEVEL_INIT 1 #define CONFIG_SKIP_RELOCATE_UBOOT 1 diff --git a/include/configs/csb637.h b/include/configs/csb637.h index f4fd808..90269a7 100644 --- a/include/configs/csb637.h +++ b/include/configs/csb637.h @@ -26,6 +26,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91C_MAIN_CLOCK 184320000 /* from 3.6864 MHz crystal (3686400 * 50) */ #define AT91C_MASTER_CLOCK 46080000 /* (AT91C_MAIN_CLOCK/4) peripheral clock */ diff --git a/include/configs/kb9202.h b/include/configs/kb9202.h index 7dd81e6..24fd1ef 100644 --- a/include/configs/kb9202.h +++ b/include/configs/kb9202.h @@ -29,6 +29,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91C_MAIN_CLOCK 180000000 /* from 10 MHz crystal */ #define AT91C_MASTER_CLOCK 60000000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */ diff --git a/include/configs/m501sk.h b/include/configs/m501sk.h index 5c06642..17469e5 100644 --- a/include/configs/m501sk.h +++ b/include/configs/m501sk.h @@ -27,6 +27,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ /* from 18.432 MHz crystal (18432000 / 4 * 39) */ #define AT91C_MAIN_CLOCK 179712000 diff --git a/include/configs/meesc.h b/include/configs/meesc.h index ab5cbca..253a53d 100644 --- a/include/configs/meesc.h +++ b/include/configs/meesc.h @@ -31,6 +31,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* Common stuff */ #define CONFIG_SYS_HZ 1000 /* decrementer freq */ #define CONFIG_MEESC 1 /* Board is esd MEESC */ diff --git a/include/configs/mp2usb.h b/include/configs/mp2usb.h index 0c2ee60..c66f8ea 100644 --- a/include/configs/mp2usb.h +++ b/include/configs/mp2usb.h @@ -28,6 +28,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 45) */ #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK/3) /* peripheral clock */ diff --git a/include/configs/pm9261.h b/include/configs/pm9261.h index 399d15f..26a2fad 100644 --- a/include/configs/pm9261.h +++ b/include/configs/pm9261.h @@ -28,6 +28,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define AT91_CPU_NAME "AT91SAM9261" diff --git a/include/configs/pm9263.h b/include/configs/pm9263.h index 0af1280..e55098c 100644 --- a/include/configs/pm9263.h +++ b/include/configs/pm9263.h @@ -28,6 +28,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + /* ARM asynchronous clock */ #define CONFIG_DISPLAY_CPUINFO #define CONFIG_DISPLAY_BOARDINFO diff --git a/include/configs/sbc35_a9g20.h b/include/configs/sbc35_a9g20.h index f4b3477..7bdc729 100644 --- a/include/configs/sbc35_a9g20.h +++ b/include/configs/sbc35_a9g20.h @@ -26,6 +26,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + #if defined(CONFIG_SBC35_A9G20_NANDFLASH) || defined(CONFIG_SBC35_A9G20_EEPROM) #define CONFIG_SBC35_A9G20 #endif diff --git a/include/configs/tny_a9260.h b/include/configs/tny_a9260.h index 4ad081b..21475f8 100644 --- a/include/configs/tny_a9260.h +++ b/include/configs/tny_a9260.h @@ -30,6 +30,8 @@ #ifndef __CONFIG_H #define __CONFIG_H +#define CONFIG_AT91_LEGACY + #if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9260_EEPROM) #define CONFIG_TNY_A9260 #elif defined(CONFIG_TNY_A9G20_NANDFLASH) || defined(CONFIG_TNY_A9G20_EEPROM) _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
