[2/9] omap2/3/4: ioremap omap_globals module

Message ID	1266483554-15044-2-git-send-email-santosh.shilimkar@ti.com (mailing list archive)
State	Superseded, archived
Delegated to:	Tony Lindgren
Headers	show Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o1I8xtqT027691 for <patchwork-omap@patchwork.kernel.org>; Thu, 18 Feb 2010 08:59:56 GMT From: Santosh Shilimkar <santosh.shilimkar@ti.com> To: tony@atomide.com Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Santosh Shilimkar <santosh.shilimkar@ti.com>, Kevin Hilman <khilman@deeprootsystems.com> Subject: [PATCH 2/9] omap2/3/4: ioremap omap_globals module Date: Thu, 18 Feb 2010 14:29:07 +0530 Message-Id: <1266483554-15044-2-git-send-email-santosh.shilimkar@ti.com> In-Reply-To: <1266483554-15044-1-git-send-email-santosh.shilimkar@ti.com> References: <1266483554-15044-1-git-send-email-santosh.shilimkar@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk

diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index cdd1f35..43f8a33 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -140,7 +140,11 @@ static struct omap3_control_regs control_context; void __init omap2_set_globals_control(struct omap_globals *omap2_globals) { - omap2_ctrl_base = omap2_globals->ctrl; + /* Static mapping, never released */ + if (omap2_globals->ctrl) { + omap2_ctrl_base = ioremap(omap2_globals->ctrl, SZ_4K); + WARN_ON(!omap2_ctrl_base); + } } void __iomem *omap_ctrl_base_get(void) diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index e8e121a..338d5f6 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -279,9 +279,19 @@ int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name) void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals) { - prm_base = omap2_globals->prm; - cm_base = omap2_globals->cm; - cm2_base = omap2_globals->cm2; + /* Static mapping, never released */ + if (omap2_globals->prm) { + prm_base = ioremap(omap2_globals->prm, SZ_8K); + WARN_ON(!prm_base); + } + if (omap2_globals->cm) { + cm_base = ioremap(omap2_globals->cm, SZ_8K); + WARN_ON(!cm_base); + } + if (omap2_globals->cm2) { + cm2_base = ioremap(omap2_globals->cm2, SZ_8K); + WARN_ON(!cm2_base); + } } #ifdef CONFIG_ARCH_OMAP3 diff --git a/arch/arm/mach-omap2/sdrc.c b/arch/arm/mach-omap2/sdrc.c index cbfbd14..4c65f56 100644 --- a/arch/arm/mach-omap2/sdrc.c +++ b/arch/arm/mach-omap2/sdrc.c @@ -119,8 +119,15 @@ int omap2_sdrc_get_params(unsigned long r, void __init omap2_set_globals_sdrc(struct omap_globals *omap2_globals) { - omap2_sdrc_base = omap2_globals->sdrc; - omap2_sms_base = omap2_globals->sms; + /* Static mapping, never released */ + if (omap2_globals->sdrc) { + omap2_sdrc_base = ioremap(omap2_globals->sdrc, SZ_64K); + WARN_ON(!omap2_sdrc_base); + } + if (omap2_globals->sms) { + omap2_sms_base = ioremap(omap2_globals->sms, SZ_64K); + WARN_ON(!omap2_sms_base); + } } /** diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c index 4f29e8c..088c1a0 100644 --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c @@ -256,11 +256,11 @@ static void __init __omap2_set_globals(struct omap_globals *omap2_globals) static struct omap_globals omap242x_globals = { .class = OMAP242X_CLASS, .tap = OMAP2_L4_IO_ADDRESS(0x48014000), - .sdrc = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE), - .sms = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE), - .ctrl = OMAP2_L4_IO_ADDRESS(OMAP2420_CTRL_BASE), - .prm = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE), - .cm = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), + .sdrc = OMAP2420_SDRC_BASE, + .sms = OMAP2420_SMS_BASE, + .ctrl = OMAP2420_CTRL_BASE, + .prm = OMAP2420_PRM_BASE, + .cm = OMAP2420_CM_BASE, .uart1_phys = OMAP2_UART1_BASE, .uart2_phys = OMAP2_UART2_BASE, .uart3_phys = OMAP2_UART3_BASE, @@ -277,11 +277,11 @@ void __init omap2_set_globals_242x(void) static struct omap_globals omap243x_globals = { .class = OMAP243X_CLASS, .tap = OMAP2_L4_IO_ADDRESS(0x4900a000), - .sdrc = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE), - .sms = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE), - .ctrl = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE), - .prm = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE), - .cm = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), + .sdrc = OMAP243X_SDRC_BASE, + .sms = OMAP243X_SMS_BASE, + .ctrl = OMAP243X_CTRL_BASE, + .prm = OMAP2430_PRM_BASE, + .cm = OMAP2430_CM_BASE, .uart1_phys = OMAP2_UART1_BASE, .uart2_phys = OMAP2_UART2_BASE, .uart3_phys = OMAP2_UART3_BASE, @@ -298,11 +298,11 @@ void __init omap2_set_globals_243x(void) static struct omap_globals omap3_globals = { .class = OMAP343X_CLASS, .tap = OMAP2_L4_IO_ADDRESS(0x4830A000), - .sdrc = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE), - .sms = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE), - .ctrl = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE), - .prm = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE), - .cm = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), + .sdrc = OMAP343X_SDRC_BASE, + .sms = OMAP343X_SMS_BASE, + .ctrl = OMAP343X_CTRL_BASE, + .prm = OMAP3430_PRM_BASE, + .cm = OMAP3430_CM_BASE, .uart1_phys = OMAP3_UART1_BASE, .uart2_phys = OMAP3_UART2_BASE, .uart3_phys = OMAP3_UART3_BASE, @@ -325,10 +325,10 @@ void __init omap2_set_globals_36xx(void) static struct omap_globals omap4_globals = { .class = OMAP443X_CLASS, .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), - .ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE), - .prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE), - .cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE), - .cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE), + .ctrl = OMAP443X_CTRL_BASE, + .prm = OMAP4430_PRM_BASE, + .cm = OMAP4430_CM_BASE, + .cm2 = OMAP4430_CM2_BASE, .uart1_phys = OMAP4_UART1_BASE, .uart2_phys = OMAP4_UART2_BASE, .uart3_phys = OMAP4_UART3_BASE, diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index e04a58e..d0faff0 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -37,16 +37,19 @@ extern void __iomem *gic_cpu_base_addr; extern void omap_map_common_io(void); extern struct sys_timer omap_timer; -/* IO bases for various OMAP processors */ +/* IO bases for various OMAP processors + * Except the tap base, rest all the io bases + * listed are physical addresses. + */ struct omap_globals { u32 class; /* OMAP class to detect */ void __iomem *tap; /* Control module ID code */ - void __iomem *sdrc; /* SDRAM Controller */ - void __iomem *sms; /* SDRAM Memory Scheduler */ - void __iomem *ctrl; /* System Control Module */ - void __iomem *prm; /* Power and Reset Management */ - void __iomem *cm; /* Clock Management */ - void __iomem *cm2; + unsigned long sdrc; /* SDRAM Controller */ + unsigned long sms; /* SDRAM Memory Scheduler */ + unsigned long ctrl; /* System Control Module */ + unsigned long prm; /* Power and Reset Management */ + unsigned long cm; /* Clock Management */ + unsigned long cm2; unsigned long uart1_phys; unsigned long uart2_phys; unsigned long uart3_phys;

[2/9] omap2/3/4: ioremap omap_globals module

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