diff options
| author | Hemanth Puranik <hemanth.puranik@stericsson.com> | 2011-08-03 10:29:10 +0530 |
|---|---|---|
| committer | Robert Marklund <robert.marklund@stericsson.com> | 2011-10-05 13:01:54 +0200 |
| commit | 55f1590566e5148dfc8f98d177f43cb9841586b9 (patch) | |
| tree | be43f44ba4249f013e8545c6815908418f514836 | |
| parent | aa5fa4862a6dfe86f3374cf346451f6e91e90133 (diff) | |
db5500-prcmu: print firmware version
ST-Ericsson Linux next: -
ST-Ericsson ID: WP332193
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I71fa209ac9e2ec37d9dd320f310c79d1616ff852
Signed-off-by: Hemanth Puranik <hemanth.puranik@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/28167
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32511
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Tested-by: Rabin VINCENT <rabin.vincent@stericsson.com>
| -rw-r--r-- | drivers/mfd/db5500-prcmu.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mfd/db5500-prcmu.c b/drivers/mfd/db5500-prcmu.c index 3f46e32198f..7de44e471f9 100644 --- a/drivers/mfd/db5500-prcmu.c +++ b/drivers/mfd/db5500-prcmu.c @@ -30,6 +30,7 @@ #include <mach/db5500-regs.h> #include "db5500-prcmu-regs.h" +#define PRCMU_FW_VERSION_OFFSET 0xA4 #define PRCM_SW_RST_REASON (tcdm_base + 0xFF8) /* 2 bytes */ #define _PRCM_MB_HEADER (tcdm_base + 0xFE8) @@ -424,6 +425,13 @@ struct clk_mgt { u32 pllsw; }; +/* PRCMU Firmware Details */ +static struct { + u16 board; + u8 fw_version; + u8 api_version; +} prcmu_version; + static DEFINE_SPINLOCK(clk_mgt_lock); #define CLK_MGT_ENTRY(_name)[PRCMU_##_name] = { \ @@ -1507,6 +1515,24 @@ static struct irq_chip prcmu_irq_chip = { void __init db5500_prcmu_early_init(void) { unsigned int i; + void *tcpm_base = ioremap_nocache(U5500_PRCMU_TCPM_BASE, SZ_4K); + + if (tcpm_base != NULL) { + int version_high, version_low; + + version_high = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET); + version_low = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET + 4); + prcmu_version.board = (version_high >> 24) & 0xFF; + prcmu_version.fw_version = version_high & 0xFF; + prcmu_version.api_version = version_low & 0xFF; + + pr_info("PRCMU Firmware Version: 0x%x\n", + prcmu_version.fw_version); + pr_info("PRCMU API Version: 0x%x\n", + prcmu_version.api_version); + + iounmap(tcpm_base); + } tcdm_base = __io_address(U5500_PRCMU_TCDM_BASE); spin_lock_init(&mb0_transfer.lock); |