diff options
| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2011-12-20 08:32:11 +0100 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 10:59:31 +0200 |
| commit | de732c95ae819baa0d1bb90c659e70150b7c1d56 (patch) | |
| tree | 0d338d9167d4d7d953a79493f828042804e08dce | |
| parent | 181f82aa4f0e11340288a9f83f232418e0081121 (diff) | |
drivers: mfd: db8500-prcmu: Always assume v2.0 or later
Remove check for pre v2.0 db8500 since pre v2.0 hardware is no longer supported.
ST-Ericsson Linux next: -
ST-Ericsson ID: 370799
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I4ee6bdbf9b4803dfe6f2918f2b1d64dbf7ebee70
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/43192
Reviewed-by: QABUILD
Reviewed-by: QATEST
Reviewed-by: Mattias NILSSON <mattias.i.nilsson@stericsson.com>
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 53 |
1 files changed, 21 insertions, 32 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 43585f50eae..3435126de97 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -215,10 +215,8 @@ #define PRCM_REQ_MB5_I2C_HW_BITS (PRCM_REQ_MB5 + 0x1) #define PRCM_REQ_MB5_I2C_REG (PRCM_REQ_MB5 + 0x2) #define PRCM_REQ_MB5_I2C_VAL (PRCM_REQ_MB5 + 0x3) -#define PRCMU_I2C_WRITE(slave) \ - (((slave) << 1) | (cpu_is_u8500v2() ? BIT(6) : 0)) -#define PRCMU_I2C_READ(slave) \ - (((slave) << 1) | BIT(0) | (cpu_is_u8500v2() ? BIT(6) : 0)) +#define PRCMU_I2C_WRITE(slave) (((slave) << 1) | BIT(6)) +#define PRCMU_I2C_READ(slave) (((slave) << 1) | BIT(0) | BIT(6)) #define PRCMU_I2C_STOP_EN BIT(3) /* Mailbox 5 ACKs */ @@ -1050,7 +1048,7 @@ int db8500_prcmu_set_ddr_opp(u8 opp) if (opp < DDR_100_OPP || opp > DDR_25_OPP) return -EINVAL; /* Changing the DDR OPP can hang the hardware pre-v21 */ - if (cpu_is_u8500v20_or_later() && !cpu_is_u8500v20()) + if (!cpu_is_u8500v20()) writeb(opp, PRCM_DDR_SUBSYS_APE_MINBW); return 0; @@ -2647,30 +2645,25 @@ static char *fw_project_name(u8 project) void __init db8500_prcmu_early_init(void) { unsigned int i; - if (cpu_is_u8500v2()) { - void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K); - - if (tcpm_base != NULL) { - u32 version; - version = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET); - fw_info.version.project = version & 0xFF; - fw_info.version.api_version = (version >> 8) & 0xFF; - fw_info.version.func_version = (version >> 16) & 0xFF; - fw_info.version.errata = (version >> 24) & 0xFF; - fw_info.valid = true; - pr_info("PRCMU firmware: %s, version %d.%d.%d\n", - fw_project_name(fw_info.version.project), - (version >> 8) & 0xFF, (version >> 16) & 0xFF, - (version >> 24) & 0xFF); - iounmap(tcpm_base); - } - - tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE); - } else { - pr_err("prcmu: Unsupported chip version\n"); - BUG(); + void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K); + + if (tcpm_base != NULL) { + u32 version; + version = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET); + fw_info.version.project = version & 0xFF; + fw_info.version.api_version = (version >> 8) & 0xFF; + fw_info.version.func_version = (version >> 16) & 0xFF; + fw_info.version.errata = (version >> 24) & 0xFF; + fw_info.valid = true; + pr_info("PRCMU firmware: %s, version %d.%d.%d\n", + fw_project_name(fw_info.version.project), + (version >> 8) & 0xFF, (version >> 16) & 0xFF, + (version >> 24) & 0xFF); + iounmap(tcpm_base); } + tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE); + spin_lock_init(&mb0_transfer.lock); spin_lock_init(&mb0_transfer.dbb_irqs_lock); mutex_init(&mb0_transfer.ac_wake_lock); @@ -2964,9 +2957,6 @@ static int __init db8500_prcmu_probe(struct platform_device *pdev) { int err = 0; - if (ux500_is_svp()) - return -ENODEV; - init_prcm_registers(); /* Clean up the mailbox interrupts after pre-kernel code. */ @@ -2980,8 +2970,7 @@ static int __init db8500_prcmu_probe(struct platform_device *pdev) goto no_irq_return; } - if (cpu_is_u8500v20_or_later()) - prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET); + prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET); err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs, ARRAY_SIZE(db8500_prcmu_devs), NULL, |