On 05/12/2013 06:49 PM, Thomas Petazzoni wrote:
On Sun, 12 May 2013 15:09:04 +0200, Sebastian Hesselbarth wrote:+static inline void dove_remap_reg_base(uint32_t intbase, + uint32_t mcbase) +{ + uint32_t val; + + /* remap ahb slave base */ + val = readl(DOVE_CPU_CTRL)& 0xffff0000; + val |= (mcbase& 0xffff0000)>> 16; + writel(val, DOVE_CPU_CTRL); + + /* remap axi bridge address */ + val = readl(DOVE_AXI_CTRL)& 0x007fffff; + val |= mcbase& 0xff800000; + writel(val, DOVE_AXI_CTRL); + + /* remap memory controller base address */ + val = readl(DOVE_SDRAM_BASE + SDRAM_REGS_BASE_DECODE)& 0x0000ffff; + val |= mcbase& 0xffff0000; + writel(val, DOVE_SDRAM_BASE + SDRAM_REGS_BASE_DECODE); + + /* remap internal register */ + val = intbase& 0xfff00000; + writel(val, DOVE_BRIDGE_BASE + INT_REGS_BASE_MAP); +}How does the remapping of the registers plays with the debug_ll code in arch/arm/mach-mvebu/include/mach/debug_ll.h, which assumes the UART is at 0xd0012000 ?
Thomas, currently it does not play with debug_ll. That's why I don't remap registers yet. I rather suggest to have a pre-linux boot hook in barebox to allow to tweak platform specific things before control is handed over to linux kernel. Sebastian _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
