opensbi.git/lib/utils/fdt/fdt_helper.c, branch v1.0

lib: utils/fdt: Add fdt_parse_timebase_frequency() function

2021-09-26T14:22:07Z

We add fdt_parse_timebase_frequency() function which can be used by ACLINT mtimer driver and platform code to get timebase frequency. Signed-off-by: Anup Patel Reviewed-by: Bin Meng Reviewed-by: Xiang W

lib: utils/fdt: Extend fdt_parse_aclint_node() function

2021-08-14T03:32:39Z

The fdt_parse_aclint_node() is used to parse DT node for SiFive CLINT, ACLINT MTIMER, and ACLINT MSWI devices. The ACLINT MTIMER has undergone following changes: 1) MTIMER DT node now requires separate addresses in for MTIME register and MTIMECMPx registers in the reg DT property. 2) MTIMER DT node might have no interrupts-extended DT property when the MTIMER device has no associated HARTs (i.e. the MTIMER device has no MTIMECMPx registers) This patch extends fdt_parse_aclint_node() to handle above mentioned changes in ACLINT MTIMER DT bindings. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

lib: utils: Extend fdt_get_node_addr_size() for multiple register sets

2021-08-14T03:32:36Z

We add "index" parameter to fdt_get_node_addr_size() API so that calling function can specify index of desired register set. This will allow fdt_get_node_addr_size() to handle DT nodes with multiple register sets. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

lib: utils/fdt: Change addr and size to uint64_t

2021-08-07T11:56:51Z

The maximum address and size encoded in DT are 64-bit numbers, so we should use uint64_t for 'addr' and 'size' in fdt_get_node_addr_size(). Signed-off-by: Bin Meng Reviewed-by: Anup Patel

lib: utils/fdt: Add fdt_parse_phandle_with_args() API

2021-07-17T06:10:49Z

The libfdt project does not have a generic API to parse phandle with args from a DT node so we add fdt_parse_phandle_with_args() for this purpose. This new API will be useful to FDT based drivers. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

lib: utils: Add FDT parsing API common for both ACLINT and CLINT

2021-06-24T04:09:48Z

We add fdt_parse_aclint_node() which can parse both ACLINT and CLINT DT nodes. This means fdt_parse_clint_node() is not required anymore so we remove it as well. Signed-off-by: Anup Patel Reviewed-by: Bin Meng Reviewed-by: Xiang W

lib: utils/serial: Add support for Gaisler APBUART

2021-05-06T08:51:07Z

This patch adds support for the UART used by the NOEL-V processor. Cobham Gaisler's NOEL-V RISC-V processor IP is available under GPL and commercial license and is described in more detail at https://www.gaisler.com/noelv. Signed-off-by: Daniel Cederman Reviewed-by: Anup Patel Reviewed-by: Bin Meng

lib: utils: Implement "64bit-mmio" property parsing

2021-04-22T09:30:58Z

Figure out CLINT has_64bit_mmio from DT node and using antonym for compatibility. Signed-off-by: Guo Ren Reviewed-by: Anup Patel

lib: utils: Implement "ranges" property parsing

2020-10-23T11:49:21Z

The "reg" property in a device node may not be the correct address always. If a parent node defines a "ranges" property, the child address need to be translated with respect to parents address. If the ranges property is not present, it will just use 1:1 translation. Signed-off-by: Atish Patra Reviewed-by: Anup Patel

lib: utils: Use strncmp in fdt_parse_hart_id()

2020-07-29T06:43:51Z

Use strncmp instead of using sbi_strcmp directly in fdt_parse_hart_id() to allow compiling fdt_helper.c by external firmware. Signed-off-by: Abner Chang Reviewed-by: Atish Patra Reviewed-by: Anup Patel