diff options
| author | Michel JAOUEN <michel.jaouen@stericsson.com> | 2012-01-19 17:33:37 +0100 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:02:43 +0200 |
| commit | ead8510d99488080939f20bd18593d8cec1d232b (patch) | |
| tree | 0bd8d0687ab07d1ad3cff3b7356788c0d86fae58 /arch/arm/mach-ux500/id.c | |
| parent | 98cae5b67dc5c3ce4e188c82eabd7b30029b6273 (diff) | |
mach-ux500: support ape u9450
id, cpu, irq, reg, timer, uart, l2 cache.
ST-Ericsson ID: 409625
Signed-off-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Diffstat (limited to 'arch/arm/mach-ux500/id.c')
| -rw-r--r-- | arch/arm/mach-ux500/id.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/id.c b/arch/arm/mach-ux500/id.c index 80489597ced..fe1d3ffe3f7 100644 --- a/arch/arm/mach-ux500/id.c +++ b/arch/arm/mach-ux500/id.c @@ -39,6 +39,25 @@ static unsigned int ux500_read_asicid(phys_addr_t addr) return readl(__io_address(addr)); } +static unsigned int u9540_read_asicid(phys_addr_t addr) +{ + phys_addr_t base = addr & ~0xfff; + struct map_desc desc = { + .virtual = IO_ADDRESS_DB9540_ROM(base), + .pfn = __phys_to_pfn(base), + .length = SZ_16K, + .type = MT_DEVICE, + }; + + iotable_init(&desc, 1); + + /* As in devicemaps_init() */ + local_flush_tlb_all(); + flush_cache_all(); + + return readl(__io_address_db9540_rom(addr)); +} + static void ux500_print_soc_info(unsigned int asicid) { unsigned int rev = dbx500_revision(); @@ -69,6 +88,7 @@ static unsigned int partnumber(unsigned int asicid) * DB8520v2.2 0x412fc091 0x9001DBF4 0x008500B2 * AP9500 0x412fc091 0x9001DBF4 0x008500B2 * DB5500v1 0x412fc091 0x9001FFF4 0x005500A0 + * DB9540 0x413fc090 0xFFFFDBF4 0x009540xx */ void __init ux500_map_io(void) @@ -93,6 +113,12 @@ void __init ux500_map_io(void) /* DB5500v1 */ addr = 0x9001FFF4; break; + + case 0x413fc090: /* DB9540 */ + addr = 0xFFFFDBF4; + asicid = u9540_read_asicid(addr); + addr = 0; + break; } if (addr) |