From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ns.lynxeye.de ([87.118.118.114] helo=lynxeye.de) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iSp4y-0002OJ-6h for barebox@lists.infradead.org; Thu, 07 Nov 2019 21:12:37 +0000 Received: from astat.fritz.box (a89-183-53-44.net-htp.de [89.183.53.44]) by lynxeye.de (Postfix) with ESMTPA id 78E3DE74268 for ; Thu, 7 Nov 2019 22:11:26 +0100 (CET) From: Lucas Stach Date: Thu, 7 Nov 2019 22:11:11 +0100 Message-Id: <20191107211119.68064-11-dev@lynxeye.de> In-Reply-To: <20191107211119.68064-1-dev@lynxeye.de> References: <20191107211119.68064-1-dev@lynxeye.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 10/18] clk: zynq: use base address of clock controller To: barebox@lists.infradead.org The clock controller is a subregion of the SLCR, use the real base of this region for mapping the registers. This will allow to switch to DT based probing later. Signed-off-by: Lucas Stach --- arch/arm/mach-zynq/zynq.c | 3 ++- drivers/clk/zynq/clkc.c | 30 +++++++++++++++--------------- 2 files changed, 17 insertions(+), 16 deletions(-) diff --git a/arch/arm/mach-zynq/zynq.c b/arch/arm/mach-zynq/zynq.c index f6112fd249ce..ec22b16c91cd 100644 --- a/arch/arm/mach-zynq/zynq.c +++ b/arch/arm/mach-zynq/zynq.c @@ -48,7 +48,8 @@ static int zynq_init(void) writel(val, 0xf8f00000); dmb(); - add_generic_device("zynq-clock", 0, NULL, ZYNQ_SLCR_BASE, 0x4000, IORESOURCE_MEM, NULL); + add_generic_device("zynq-clock", 0, NULL, ZYNQ_SLCR_BASE + 0x100, + 0x4000, IORESOURCE_MEM, NULL); add_generic_device("smp_twd", 0, NULL, CORTEXA9_SCU_TIMER_BASE_ADDR, 0x4000, IORESOURCE_MEM, NULL); restart_handler_register_fn(zynq_restart_soc); diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c index cd49d8478f58..ba441740c585 100644 --- a/drivers/clk/zynq/clkc.c +++ b/drivers/clk/zynq/clkc.c @@ -360,38 +360,38 @@ static struct clk *zynq_cpu_subclk(const char *name, static int zynq_clock_probe(struct device_d *dev) { struct resource *iores; - void __iomem *slcr_base; + void __iomem *clk_base; unsigned long ps_clk_rate = 33333330; iores = dev_request_mem_resource(dev, 0); if (IS_ERR(iores)) return PTR_ERR(iores); - slcr_base = IOMEM(iores->start); + clk_base = IOMEM(iores->start); clks[ps_clk] = clk_fixed("ps_clk", ps_clk_rate); - clks[arm_pll] = zynq_pll_clk(ZYNQ_PLL_ARM, "arm_pll", slcr_base + 0x100); - clks[ddr_pll] = zynq_pll_clk(ZYNQ_PLL_DDR, "ddr_pll", slcr_base + 0x104); - clks[io_pll] = zynq_pll_clk(ZYNQ_PLL_IO, "io_pll", slcr_base + 0x108); + clks[arm_pll] = zynq_pll_clk(ZYNQ_PLL_ARM, "arm_pll", clk_base + 0x0); + clks[ddr_pll] = zynq_pll_clk(ZYNQ_PLL_DDR, "ddr_pll", clk_base + 0x4); + clks[io_pll] = zynq_pll_clk(ZYNQ_PLL_IO, "io_pll", clk_base + 0x8); - clks[uart_clk] = zynq_periph_clk("uart_clk", slcr_base + 0x154); + clks[uart_clk] = zynq_periph_clk("uart_clk", clk_base + 0x54); - clks[uart0] = clk_gate("uart0", "uart_clk", slcr_base + 0x154, 0, 0, 0); - clks[uart1] = clk_gate("uart1", "uart_clk", slcr_base + 0x154, 1, 0, 0); + clks[uart0] = clk_gate("uart0", "uart_clk", clk_base + 0x54, 0, 0, 0); + clks[uart1] = clk_gate("uart1", "uart_clk", clk_base + 0x54, 1, 0, 0); - clks[gem0] = clk_gate("gem0", "io_pll", slcr_base + 0x140, 0, 0, 0); - clks[gem1] = clk_gate("gem1", "io_pll", slcr_base + 0x144, 1, 0, 0); + clks[gem0] = clk_gate("gem0", "io_pll", clk_base + 0x40, 0, 0, 0); + clks[gem1] = clk_gate("gem1", "io_pll", clk_base + 0x44, 1, 0, 0); - clks[cpu_clk] = zynq_cpu_clk("cpu_clk", slcr_base + 0x120); + clks[cpu_clk] = zynq_cpu_clk("cpu_clk", clk_base + 0x20); clks[cpu_6x4x] = zynq_cpu_subclk("cpu_6x4x", CPU_SUBCLK_6X4X, - slcr_base + 0x120, slcr_base + 0x1C4); + clk_base + 0x20, clk_base + 0xC4); clks[cpu_3x2x] = zynq_cpu_subclk("cpu_3x2x", CPU_SUBCLK_3X2X, - slcr_base + 0x120, slcr_base + 0x1C4); + clk_base + 0x20, clk_base + 0xC4); clks[cpu_2x] = zynq_cpu_subclk("cpu_2x", CPU_SUBCLK_2X, - slcr_base + 0x120, slcr_base + 0x1C4); + clk_base + 0x20, clk_base + 0xC4); clks[cpu_1x] = zynq_cpu_subclk("cpu_1x", CPU_SUBCLK_1X, - slcr_base + 0x120, slcr_base + 0x1C4); + clk_base + 0x20, clk_base + 0xC4); clk_register_clkdev(clks[cpu_3x2x], NULL, "arm_smp_twd"); clk_register_clkdev(clks[uart0], NULL, "zynq_serial0"); -- 2.23.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox