On Sun, May 06, 2018 at 07:09:22AM -0400, Thomas Fitzsimmons wrote:
Add support for loading U-Boot on the Broadcom 7445D0 SoC. This port assumes Broadcom's BOLT bootloader is acting as the second stage bootloader, and U-Boot is acting as the third stage bootloader, loaded as an ELF program by BOLT.
Signed-off-by: Thomas Fitzsimmons fitzsim@fitzsim.org Cc: Stefan Roese sr@denx.de
[snip]
diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S index fa81317..f1a6f35 100644 --- a/arch/arm/lib/crt0.S +++ b/arch/arm/lib/crt0.S @@ -94,6 +94,7 @@ ENTRY(_main)
- 'here' but relocated.
*/
+#if !defined(CONFIG_OF_PRIOR_STAGE) ldr r0, [r9, #GD_START_ADDR_SP] /* sp = gd->start_addr_sp */ bic r0, r0, #7 /* 8-byte alignment for ABI compliance */ mov sp, r0 @@ -108,6 +109,7 @@ ENTRY(_main) #endif ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ b relocate_code +#endif here: /*
- now relocate vectors
Can you explain this bit a good bit more?
+config BCHP_BSPI_MAST_N_BOOT_CTRL
- hex ""
- default 0x003e3208
Doing hex "" seems wrong. What are you doing here exactly?
diff --git a/common/fdt_support.c b/common/fdt_support.c index 66a313e..f07dfe3 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -242,11 +242,13 @@ int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end) } }
+#if !defined(CONFIG_BCMSTB_ACCOMMODATE_STBLINUX) err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start); if (err < 0) { printf("fdt_initrd: %s\n", fdt_strerror(err)); return err; } +#endif
Why do we need this?
+#ifdef DEBUG +static int debug_tx_rx; +#define D(fmt, args...) debug_cond(debug_tx_rx, fmt, ##args) +#else +#define D(fmt, args...) +#endif
We have dbg() etc, please use. Thanks!