From patchwork Fri Aug 30 22:07:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 11124619 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B40D014F7 for ; Fri, 30 Aug 2019 22:16:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C7B22342E for ; Fri, 30 Aug 2019 22:16:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728178AbfH3WQj (ORCPT ); Fri, 30 Aug 2019 18:16:39 -0400 Received: from shell.v3.sk ([90.176.6.54]:56364 "EHLO shell.v3.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728332AbfH3WQW (ORCPT ); Fri, 30 Aug 2019 18:16:22 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id E227ED8801; Sat, 31 Aug 2019 00:08:39 +0200 (CEST) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id b4Sn4zkpKYvK; Sat, 31 Aug 2019 00:08:15 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id D5063D87EB; Sat, 31 Aug 2019 00:07:59 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id wxZjFVremg4k; Sat, 31 Aug 2019 00:07:55 +0200 (CEST) Received: from belphegor.brq.redhat.com (nat-pool-brq-t.redhat.com [213.175.37.10]) by zimbra.v3.sk (Postfix) with ESMTPSA id 39EF0D87EA; Sat, 31 Aug 2019 00:07:51 +0200 (CEST) From: Lubomir Rintel To: "To : Olof Johansson" Cc: "Cc : Rob Herring" , Mark Rutland , Thomas Gleixner , Jason Cooper , Kishon Vijay Abraham I , Russell King , Michael Turquette , Stephen Boyd , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Lubomir Rintel Subject: [PATCH v3 08/16] ARM: mmp: map the PGU as well Date: Sat, 31 Aug 2019 00:07:35 +0200 Message-Id: <20190830220743.439670-9-lkundrak@v3.sk> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190830220743.439670-1-lkundrak@v3.sk> References: <20190830220743.439670-1-lkundrak@v3.sk> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The MMP2 and later includes a system control unit in this area. We'll need that to initialize the secondary core on MMP3. Signed-off-by: Lubomir Rintel --- arch/arm/mach-mmp/addr-map.h | 7 +++++++ arch/arm/mach-mmp/common.c | 15 +++++++++++++++ arch/arm/mach-mmp/common.h | 1 + arch/arm/mach-mmp/mmp2-dt.c | 2 +- 4 files changed, 24 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-mmp/addr-map.h b/arch/arm/mach-mmp/addr-map.h index 25edf6a92276e..3dc2f0b0ecba5 100644 --- a/arch/arm/mach-mmp/addr-map.h +++ b/arch/arm/mach-mmp/addr-map.h @@ -20,6 +20,10 @@ #define AXI_VIRT_BASE IOMEM(0xfe200000) #define AXI_PHYS_SIZE 0x00200000 +#define PGU_PHYS_BASE 0xe0000000 +#define PGU_VIRT_BASE IOMEM(0xfe400000) +#define PGU_PHYS_SIZE 0x00100000 + /* Static Memory Controller - Chip Select 0 and 1 */ #define SMC_CS0_PHYS_BASE 0x80000000 #define SMC_CS0_PHYS_SIZE 0x10000000 @@ -38,4 +42,7 @@ #define CIU_VIRT_BASE (AXI_VIRT_BASE + 0x82c00) #define CIU_REG(x) (CIU_VIRT_BASE + (x)) +#define SCU_VIRT_BASE (PGU_VIRT_BASE) +#define SCU_REG(x) (SCU_VIRT_BASE + (x)) + #endif /* __ASM_MACH_ADDR_MAP_H */ diff --git a/arch/arm/mach-mmp/common.c b/arch/arm/mach-mmp/common.c index 6684abc7708bd..2ee08c78e8bc9 100644 --- a/arch/arm/mach-mmp/common.c +++ b/arch/arm/mach-mmp/common.c @@ -36,6 +36,15 @@ static struct map_desc standard_io_desc[] __initdata = { }, }; +static struct map_desc mmp2_io_desc[] __initdata = { + { + .pfn = __phys_to_pfn(PGU_PHYS_BASE), + .virtual = (unsigned long)PGU_VIRT_BASE, + .length = PGU_PHYS_SIZE, + .type = MT_DEVICE, + }, +}; + void __init mmp_map_io(void) { iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc)); @@ -44,6 +53,12 @@ void __init mmp_map_io(void) mmp_chip_id = __raw_readl(MMP_CHIPID); } +void __init mmp2_map_io(void) +{ + mmp_map_io(); + iotable_init(mmp2_io_desc, ARRAY_SIZE(mmp2_io_desc)); +} + void mmp_restart(enum reboot_mode mode, const char *cmd) { soft_restart(0); diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h index 483b8b6d3005a..ed56b3f15b45e 100644 --- a/arch/arm/mach-mmp/common.h +++ b/arch/arm/mach-mmp/common.h @@ -5,4 +5,5 @@ extern void mmp_timer_init(int irq, unsigned long rate); extern void __init mmp_map_io(void); +extern void __init mmp2_map_io(void); extern void mmp_restart(enum reboot_mode, const char *); diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c index 305a9daba6d68..8eec881191f4b 100644 --- a/arch/arm/mach-mmp/mmp2-dt.c +++ b/arch/arm/mach-mmp/mmp2-dt.c @@ -33,7 +33,7 @@ static const char *const mmp2_dt_board_compat[] __initconst = { }; DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)") - .map_io = mmp_map_io, + .map_io = mmp2_map_io, .init_time = mmp_init_time, .dt_compat = mmp2_dt_board_compat, MACHINE_END