From d684f05f2d55655eee93d86974e9271010aaed09 Mon Sep 17 00:00:00 2001 From: Roland Stigge Date: Sun, 26 Aug 2012 16:30:37 +0200 Subject: ARM: mach-pnx4008: Remove architecture This patch removes the ARM architecture mach-pnx4008. No direct support or user feedback since 2006. Acknowledgements from NXP/Philips and Linux arm-soc maintainers. Signed-off-by: Roland Stigge --- arch/arm/mach-pnx4008/pm.c | 153 --------------------------------------------- 1 file changed, 153 deletions(-) delete mode 100644 arch/arm/mach-pnx4008/pm.c (limited to 'arch/arm/mach-pnx4008/pm.c') diff --git a/arch/arm/mach-pnx4008/pm.c b/arch/arm/mach-pnx4008/pm.c deleted file mode 100644 index 26f8d06b142a..000000000000 --- a/arch/arm/mach-pnx4008/pm.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * arch/arm/mach-pnx4008/pm.c - * - * Power Management driver for PNX4008 - * - * Authors: Vitaly Wool, Dmitry Chigirev - * - * 2005 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include -#include -#include - -#define SRAM_VA IO_ADDRESS(PNX4008_IRAM_BASE) - -static void *saved_sram; - -static struct clk *pll4_clk; - -static inline void pnx4008_standby(void) -{ - void (*pnx4008_cpu_standby_ptr) (void); - - local_irq_disable(); - local_fiq_disable(); - - clk_disable(pll4_clk); - - /*saving portion of SRAM to be used by suspend function. */ - memcpy(saved_sram, (void *)SRAM_VA, pnx4008_cpu_standby_sz); - - /*make sure SRAM copy gets physically written into SDRAM. - SDRAM will be placed into self-refresh during power down */ - flush_cache_all(); - - /*copy suspend function into SRAM */ - memcpy((void *)SRAM_VA, pnx4008_cpu_standby, pnx4008_cpu_standby_sz); - - /*do suspend */ - pnx4008_cpu_standby_ptr = (void *)SRAM_VA; - pnx4008_cpu_standby_ptr(); - - /*restoring portion of SRAM that was used by suspend function */ - memcpy((void *)SRAM_VA, saved_sram, pnx4008_cpu_standby_sz); - - clk_enable(pll4_clk); - - local_fiq_enable(); - local_irq_enable(); -} - -static inline void pnx4008_suspend(void) -{ - void (*pnx4008_cpu_suspend_ptr) (void); - - local_irq_disable(); - local_fiq_disable(); - - clk_disable(pll4_clk); - - __raw_writel(0xffffffff, START_INT_RSR_REG(SE_PIN_BASE_INT)); - __raw_writel(0xffffffff, START_INT_RSR_REG(SE_INT_BASE_INT)); - - /*saving portion of SRAM to be used by suspend function. */ - memcpy(saved_sram, (void *)SRAM_VA, pnx4008_cpu_suspend_sz); - - /*make sure SRAM copy gets physically written into SDRAM. - SDRAM will be placed into self-refresh during power down */ - flush_cache_all(); - - /*copy suspend function into SRAM */ - memcpy((void *)SRAM_VA, pnx4008_cpu_suspend, pnx4008_cpu_suspend_sz); - - /*do suspend */ - pnx4008_cpu_suspend_ptr = (void *)SRAM_VA; - pnx4008_cpu_suspend_ptr(); - - /*restoring portion of SRAM that was used by suspend function */ - memcpy((void *)SRAM_VA, saved_sram, pnx4008_cpu_suspend_sz); - - clk_enable(pll4_clk); - - local_fiq_enable(); - local_irq_enable(); -} - -static int pnx4008_pm_enter(suspend_state_t state) -{ - switch (state) { - case PM_SUSPEND_STANDBY: - pnx4008_standby(); - break; - case PM_SUSPEND_MEM: - pnx4008_suspend(); - break; - } - return 0; -} - -static int pnx4008_pm_valid(suspend_state_t state) -{ - return (state == PM_SUSPEND_STANDBY) || - (state == PM_SUSPEND_MEM); -} - -static const struct platform_suspend_ops pnx4008_pm_ops = { - .enter = pnx4008_pm_enter, - .valid = pnx4008_pm_valid, -}; - -int __init pnx4008_pm_init(void) -{ - u32 sram_size_to_allocate; - - pll4_clk = clk_get(0, "ck_pll4"); - if (IS_ERR(pll4_clk)) { - printk(KERN_ERR - "PM Suspend cannot acquire ARM(PLL4) clock control\n"); - return PTR_ERR(pll4_clk); - } - - if (pnx4008_cpu_standby_sz > pnx4008_cpu_suspend_sz) - sram_size_to_allocate = pnx4008_cpu_standby_sz; - else - sram_size_to_allocate = pnx4008_cpu_suspend_sz; - - saved_sram = kmalloc(sram_size_to_allocate, GFP_ATOMIC); - if (!saved_sram) { - printk(KERN_ERR - "PM Suspend: cannot allocate memory to save portion of SRAM\n"); - clk_put(pll4_clk); - return -ENOMEM; - } - - suspend_set_ops(&pnx4008_pm_ops); - return 0; -} -- cgit v1.2.3