On 10/10/2018 06:26 AM, Simon Goldschmidt wrote:
This patch prevents disabling the FPGA bridges when SPL or U-Boot is executed from FPGA onchip RAM.
Signed-off-by: Simon Goldschmidt simon.k.r.goldschmidt@gmail.com
Changes in v4:
- use an inline function in misc.h to check for the address range instead of a macro in base_addr_ac5.h
Changes in v3:
- use __image_copy_start to check if we are executing from FPGA
Changes in v2:
- use less ifdefs and more C code for address checks (but this gives a checkpatch warning because of comparing two upper case constants)
- changed comments
arch/arm/mach-socfpga/include/mach/base_addr_ac5.h | 1 + arch/arm/mach-socfpga/include/mach/misc.h | 7 +++++++ arch/arm/mach-socfpga/misc_gen5.c | 10 +++++++++- arch/arm/mach-socfpga/spl_gen5.c | 10 +++++++--- 4 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-socfpga/include/mach/base_addr_ac5.h b/arch/arm/mach-socfpga/include/mach/base_addr_ac5.h index bb9e3faa29..2725e9fcc3 100644 --- a/arch/arm/mach-socfpga/include/mach/base_addr_ac5.h +++ b/arch/arm/mach-socfpga/include/mach/base_addr_ac5.h @@ -6,6 +6,7 @@ #ifndef _SOCFPGA_BASE_ADDRS_H_ #define _SOCFPGA_BASE_ADDRS_H_
+#define SOCFPGA_FPGA_SLAVES_ADDRESS 0xc0000000 #define SOCFPGA_STM_ADDRESS 0xfc000000 #define SOCFPGA_DAP_ADDRESS 0xff000000 #define SOCFPGA_EMAC0_ADDRESS 0xff700000 diff --git a/arch/arm/mach-socfpga/include/mach/misc.h b/arch/arm/mach-socfpga/include/mach/misc.h index 4fc9570a04..e78a86503e 100644 --- a/arch/arm/mach-socfpga/include/mach/misc.h +++ b/arch/arm/mach-socfpga/include/mach/misc.h @@ -23,6 +23,13 @@ static inline void socfpga_fpga_add(void) {}
#ifdef CONFIG_TARGET_SOCFPGA_GEN5 void socfpga_sdram_remap_zero(void); +static inline bool socfpga_is_fpga_slaves_addr(void *addr) +{
Is the inline needed ?
btw would it make sense to encode __image_copy_start here and just make it a function like ie.
static bool socfpga_is_booting_from_fpga(void) {} ?
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