summaryrefslogtreecommitdiff
path: root/README
diff options
context:
space:
mode:
authorHeiko Schocher <hs@denx.de>2017-06-07 17:33:10 +0200
committerTom Rini <trini@konsulko.com>2017-06-12 08:38:02 -0400
commit2eb48ff7a210ddd2a39bac23b3b9b39c60c32aef (patch)
treed948cc6059525960b72e912f533df2cb140cf5f0 /README
parent5b8e76c35ec312a3f73126bd1a2d2c0965b98a9f (diff)
downloadu-boot-2eb48ff7a210ddd2a39bac23b3b9b39c60c32aef.tar.gz
u-boot-2eb48ff7a210ddd2a39bac23b3b9b39c60c32aef.tar.bz2
u-boot-2eb48ff7a210ddd2a39bac23b3b9b39c60c32aef.zip
powerpc, 8260: remove support for mpc8260
There was for long time no activity in the 8260 area. We need to go further and convert to Kconfig, but it turned out, nobody is interested anymore in 8260, so remove it. Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'README')
-rw-r--r--README73
1 files changed, 7 insertions, 66 deletions
diff --git a/README b/README
index 4819696deb..99ee448a5e 100644
--- a/README
+++ b/README
@@ -700,14 +700,6 @@ The following options need to be configured:
Select one of the baudrates listed in
CONFIG_SYS_BAUDRATE_TABLE, see below.
-- Console Rx buffer length
- With CONFIG_SYS_SMC_RXBUFLEN it is possible to define
- the maximum receive buffer length for the SMC.
- This option is actual only for 82xx possible.
- If using CONFIG_SYS_SMC_RXBUFLEN also CONFIG_SYS_MAXIDLE
- must be defined, to setup the maximum idle timeout for
- the SMC.
-
- Autoboot Command:
CONFIG_BOOTCOMMAND
Only needed when CONFIG_BOOTDELAY is enabled;
@@ -937,11 +929,9 @@ The following options need to be configured:
CONFIG_WATCHDOG
If this variable is defined, it enables watchdog
support for the SoC. There must be support in the SoC
- specific code for a watchdog. For the 8260
- CPUs, the SIU Watchdog feature is enabled in the SYPCR
- register. When supported for a specific SoC is
- available, then no further board specific code should
- be needed to use it.
+ specific code for a watchdog. When supported for a
+ specific SoC is available, then no further board specific
+ code should be needed to use it.
CONFIG_HW_WATCHDOG
When using a watchdog circuitry external to the used
@@ -2108,12 +2098,6 @@ The following options need to be configured:
eg: #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
- I2C_PORT
-
- (Only for MPC8260 CPU). The I/O port to use (the code
- assumes both bits are on the same port). Valid values
- are 0..3 for ports A..D.
-
I2C_ACTIVE
The code necessary to make the I2C data line active
@@ -2402,7 +2386,7 @@ The following options need to be configured:
IVMS8, IVML24, SPD8xx,
HERMES, IP860, RPXlite, LWMON,
- FLAGADM, TQM8260
+ FLAGADM
- Access to physical memory region (> 4GB)
Some basic support is provided for operations on memory not
@@ -3860,16 +3844,6 @@ but it can not erase, write this NOR flash by SRIO or PCIE interface.
set. If this value is set, it must be set to the same value as
CONFIG_ENV_SIZE.
-- CONFIG_SYS_SPI_INIT_OFFSET
-
- Defines offset to the initial SPI buffer area in DPRAM. The
- area is used at an early stage (ROM part) if the environment
- is configured to reside in the SPI EEPROM: We need a 520 byte
- scratch DPRAM area. It is used between the two initialization
- calls (spi_init_f() and spi_init_r()). A value of 0xB00 seems
- to be a good choice since it makes it far enough from the
- start of the data area as well as from the stack pointer.
-
Please note that the environment is read-only until the monitor
has been relocated to RAM and a RAM copy of the environment has been
created; also, when using EEPROM you will have to use getenv_f()
@@ -3923,13 +3897,6 @@ Low Level (hardware related) configuration options:
- CONFIG_SYS_CACHELINE_SIZE:
Cache Line Size of the CPU.
-- CONFIG_SYS_DEFAULT_IMMR:
- Default address of the IMMR after system reset.
-
- Needed on some 8260 systems (MPC8260ADS, PQ2FADS-ZU,
- and RPXsuper) to be able to adjust the position of
- the IMMR register after a reset.
-
- CONFIG_SYS_CCSRBAR_DEFAULT:
Default (power-on reset) physical address of CCSR on Freescale
PowerPC SOCs.
@@ -3938,9 +3905,6 @@ Low Level (hardware related) configuration options:
Virtual address of CCSR. On a 32-bit build, this is typically
the same value as CONFIG_SYS_CCSRBAR_DEFAULT.
- CONFIG_SYS_DEFAULT_IMMR must also be set to this value,
- for cross-platform code that uses that macro instead.
-
- CONFIG_SYS_CCSRBAR_PHYS:
Physical address of CCSR. CCSR can be relocated to a new
physical address, if desired. In this case, this macro should
@@ -4016,8 +3980,6 @@ Low Level (hardware related) configuration options:
sequences.
U-Boot uses the following memory types:
- - MPC8260: IMMR (internal memory of the CPU)
- - MPC824X: data cache
- PPC4xx: data cache
- CONFIG_SYS_GBL_DATA_OFFSET:
@@ -4069,27 +4031,6 @@ Low Level (hardware related) configuration options:
CONFIG_SYS_OR3_PRELIM, CONFIG_SYS_BR3_PRELIM:
Memory Controller Definitions: BR2/3 and OR2/3 (SDRAM)
-- CONFIG_SYS_MAMR_PTA, CONFIG_SYS_MPTPR_2BK_4K, CONFIG_SYS_MPTPR_1BK_4K, CONFIG_SYS_MPTPR_2BK_8K,
- CONFIG_SYS_MPTPR_1BK_8K, CONFIG_SYS_MAMR_8COL, CONFIG_SYS_MAMR_9COL:
- Machine Mode Register and Memory Periodic Timer
- Prescaler definitions (SDRAM timing)
-
-- CONFIG_SYS_CPM_POST_WORD_ADDR: (MPC8260 only)
- Offset of the bootmode word in DPRAM used by post
- (Power On Self Tests). This definition overrides
- #define'd default value in commproc.h resp.
- cpm_8260.h.
-
-- CONFIG_SYS_PCI_SLV_MEM_LOCAL, CONFIG_SYS_PCI_SLV_MEM_BUS, CONFIG_SYS_PICMR0_MASK_ATTRIB,
- CONFIG_SYS_PCI_MSTR0_LOCAL, CONFIG_SYS_PCIMSK0_MASK, CONFIG_SYS_PCI_MSTR1_LOCAL,
- CONFIG_SYS_PCIMSK1_MASK, CONFIG_SYS_PCI_MSTR_MEM_LOCAL, CONFIG_SYS_PCI_MSTR_MEM_BUS,
- CONFIG_SYS_CPU_PCI_MEM_START, CONFIG_SYS_PCI_MSTR_MEM_SIZE, CONFIG_SYS_POCMR0_MASK_ATTRIB,
- CONFIG_SYS_PCI_MSTR_MEMIO_LOCAL, CONFIG_SYS_PCI_MSTR_MEMIO_BUS, CPU_PCI_MEMIO_START,
- CONFIG_SYS_PCI_MSTR_MEMIO_SIZE, CONFIG_SYS_POCMR1_MASK_ATTRIB, CONFIG_SYS_PCI_MSTR_IO_LOCAL,
- CONFIG_SYS_PCI_MSTR_IO_BUS, CONFIG_SYS_CPU_PCI_IO_START, CONFIG_SYS_PCI_MSTR_IO_SIZE,
- CONFIG_SYS_POCMR2_MASK_ATTRIB: (MPC826x only)
- Overrides the default PCI memory map in arch/powerpc/cpu/mpc8260/pci.c if set.
-
- CONFIG_PCI_DISABLE_PCIE:
Disable PCI-Express on systems where it is supported but not
required.
@@ -5710,9 +5651,9 @@ configuration for CS0# this is a mirror of the on board Flash memory.
To be able to re-map memory U-Boot then jumps to its link address.
To be able to implement the initialization code in C, a (small!)
initial stack is set up in the internal Dual Ported RAM (in case CPUs
-which provide such a feature like MPC8xx or MPC8260), or in a locked
-part of the data cache. After that, U-Boot initializes the CPU core,
-the caches and the SIU.
+which provide such a feature like), or in a locked part of the data
+cache. After that, U-Boot initializes the CPU core, the caches and
+the SIU.
Next, all (potentially) available memory banks are mapped using a
preliminary mapping. For example, we put them on 512 MB boundaries