From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from VA3EHSOBE005.bigfish.com (va3ehsobe001.messaging.microsoft.com [216.32.180.11]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 4F8B6B6F13 for ; Wed, 15 Feb 2012 18:02:03 +1100 (EST) From: Zhicheng Fan To: , Subject: [PATCH 1/2 v5] powerpc/85xx: Add Quicc Engine support for p1025rdb Date: Wed, 15 Feb 2012 14:58:10 +0800 Message-ID: <1329289091-26231-1-git-send-email-B32736@freescale.com> MIME-Version: 1.0 Content-Type: text/plain Cc: Zhicheng Fan List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Zhicheng Fan Signed-off-by: Zhicheng Fan --- arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 78 ++++++++++++++++++++++++++++- 1 files changed, 77 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index e95aef7..b85180e 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -26,6 +26,9 @@ #include #include #include +#include +#include +#include #include #include @@ -47,6 +50,10 @@ void __init mpc85xx_rdb_pic_init(void) struct mpic *mpic; unsigned long root = of_get_flat_dt_root(); +#ifdef CONFIG_QUICC_ENGINE + struct device_node *np; +#endif + if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) { mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | @@ -62,6 +69,18 @@ void __init mpc85xx_rdb_pic_init(void) BUG_ON(mpic == NULL); mpic_init(mpic); + +#ifdef CONFIG_QUICC_ENGINE + np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); + if (np) { + qe_ic_init(np, 0, qe_ic_cascade_low_mpic, + qe_ic_cascade_high_mpic); + of_node_put(np); + + } else + pr_err("%s: Could not find qe-ic node\n", __func__); +#endif + } /* @@ -69,7 +88,7 @@ void __init mpc85xx_rdb_pic_init(void) */ static void __init mpc85xx_rdb_setup_arch(void) { -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) || defined(CONFIG_QUICC_ENGINE) struct device_node *np; #endif @@ -85,6 +104,63 @@ static void __init mpc85xx_rdb_setup_arch(void) #endif mpc85xx_smp_init(); + +#ifdef CONFIG_QUICC_ENGINE + np = of_find_compatible_node(NULL, NULL, "fsl,qe"); + if (!np) { + pr_err("%s: Could not find Quicc Engine node\n", __func__); + goto qe_fail; + } + + qe_reset(); + of_node_put(np); + + np = of_find_node_by_name(NULL, "par_io"); + if (np) { + struct device_node *ucc; + + par_io_init(np); + of_node_put(np); + + for_each_node_by_name(ucc, "ucc") + par_io_of_config(ucc); + + } +#if defined(CONFIG_UCC_GETH) || defined(CONFIG_SERIAL_QE) + if (machine_is(p1025_rdb)) { + + struct ccsr_guts_85xx __iomem *guts; + + np = of_find_node_by_name(NULL, "global-utilities"); + if (np) { + + guts = of_iomap(np, 0); + if (!guts) { + + pr_err("mpc85xx-rdb: could not map global utilties register!\n"); + + } else { + /* P1025 has pins muxed for QE and other functions. To + * enable QE UEC mode, we need to set bit QE0 for UCC1 + * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9 + * and QE12 for QE MII management singals in PMUXCR + * register. + */ + setbits32(&guts->pmuxcr, MPC85xx_PMUXCR_QE0 | + MPC85xx_PMUXCR_QE3 | + MPC85xx_PMUXCR_QE9 | + MPC85xx_PMUXCR_QE12); + iounmap(guts); + } + of_node_put(np); + } + + } +#endif + +qe_fail: +#endif /* CONFIG_QUICC_ENGINE */ + printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n"); } -- 1.7.0.4