diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.ARC | 27 | ||||
| -rw-r--r-- | doc/README.b4860qds | 4 | ||||
| -rw-r--r-- | doc/README.designware_eth | 25 |
3 files changed, 29 insertions, 27 deletions
diff --git a/doc/README.ARC b/doc/README.ARC new file mode 100644 index 0000000000..5f414fb2fa --- /dev/null +++ b/doc/README.ARC @@ -0,0 +1,27 @@ +Synopsys' DesignWare(r) ARC(r) Processors are a family of 32-bit CPUs +that SoC designers can optimize for a wide range of uses, from deeply embedded +to high-performance host applications. + +More information on ARC cores avaialble here: +http://www.synopsys.com/IP/ProcessorIP/ARCProcessors/Pages/default.aspx + +Designers can differentiate their products by using patented configuration +technology to tailor each ARC processor instance to meet specific performance, +power and area requirements. + +The DesignWare ARC processors are also extendable, allowing designers to add +their own custom instructions that dramatically increase performance. + +Synopsys' ARC processors have been used by over 170 customers worldwide who +collectively ship more than 1 billion ARC-based chips annually. + +All DesignWare ARC processors utilize a 16-/32-bit ISA that provides excellent +performance and code density for embedded and host SoC applications. + +The RISC microprocessors are synthesizable and can be implemented in any foundry +or process, and are supported by a complete suite of development tools. + +The ARC GNU toolchain with support for all ARC Processors can be downloaded +from here (available pre-built toolchains as well): + +https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases diff --git a/doc/README.b4860qds b/doc/README.b4860qds index f8a79dbb25..3da77d9f0f 100644 --- a/doc/README.b4860qds +++ b/doc/README.b4860qds @@ -230,14 +230,14 @@ NOR Flash memory Map on B4860 and B4420QDS 0xEFF40000 0xEFFFFFFF u-boot (current bank) 768KB 0xEFF20000 0xEFF3FFFF u-boot env (current bank) 128KB 0xEFF00000 0xEFF1FFFF FMAN Ucode (current bank) 128KB -0xEF300000 0xEFF3FFFF rootfs (alternate bank) 12MB + 256KB +0xEF300000 0xEFEFFFFF rootfs (alternate bank) 12MB 0xEE800000 0xEE8FFFFF device tree (alternate bank) 1MB 0xEE020000 0xEE6FFFFF Linux.uImage (alternate bank) 6MB+896KB 0xEE000000 0xEE01FFFF RCW (alternate bank) 128KB 0xEDF40000 0xEDFFFFFF u-boot (alternate bank) 768KB 0xEDF20000 0xEDF3FFFF u-boot env (alternate bank) 128KB 0xEDF00000 0xEDF1FFFF FMAN ucode (alternate bank) 128KB -0xED300000 0xEDF3FFFF rootfs (current bank) 12MB+256MB +0xED300000 0xEDEFFFFF rootfs (current bank) 12MB 0xEC800000 0xEC8FFFFF device tree (current bank) 1MB 0xEC020000 0xEC6FFFFF Linux.uImage (current bank) 6MB+896KB 0xEC000000 0xEC01FFFF RCW (current bank) 128KB diff --git a/doc/README.designware_eth b/doc/README.designware_eth deleted file mode 100644 index 25ec6bd969..0000000000 --- a/doc/README.designware_eth +++ /dev/null @@ -1,25 +0,0 @@ -This driver supports Designware Ethernet Controller provided by Synopsis. - -The driver is enabled by CONFIG_DESIGNWARE_ETH. - -The driver has been developed and tested on SPEAr platforms. By default, the -MDIO interface works at 100/Full. #defining the below options in board -configuration file changes this behavior. - -Call an subroutine from respective board/.../board.c -designware_initialize(u32 id, ulong base_addr, u32 phy_addr); - -The various options suported by the driver are -1. CONFIG_DW_ALTDESCRIPTOR - Define this to use the Alternate/Enhanced Descriptor configurations. -1. CONFIG_DW_AUTONEG - Define this to autonegotiate with the host before proceeding with mac - level configuration. This obviates the definitions of CONFIG_DW_SPEED10M - and CONFIG_DW_DUPLEXHALF. -2. CONFIG_DW_SPEED10M - Define this to change the default behavior from 100Mbps to 10Mbps. -3. CONFIG_DW_DUPLEXHALF - Define this to change the default behavior from Full Duplex to Half. -4. CONFIG_DW_SEARCH_PHY - Define this to search the phy address. This would overwrite the value - passed as 3rd arg from designware_initialize routine. |