diff options
Diffstat (limited to 'arch/arm/plat-omap/sram.c')
| -rw-r--r-- | arch/arm/plat-omap/sram.c | 64 |
1 files changed, 17 insertions, 47 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 226b2e858d6c..74dac419d328 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -19,6 +19,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/omapfb.h> #include <asm/tlb.h> #include <asm/cacheflush.h> @@ -30,8 +31,8 @@ #include <plat/cpu.h> #include <plat/vram.h> -#include <plat/control.h> - +#include "sram.h" +#include "fb.h" #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) # include "../mach-omap2/prm.h" # include "../mach-omap2/cm.h" @@ -53,7 +54,7 @@ #define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000) #define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000) -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) +#if defined(CONFIG_ARCH_OMAP2PLUS) #define SRAM_BOOTLOADER_SZ 0x00 #else #define SRAM_BOOTLOADER_SZ 0x80 @@ -68,7 +69,6 @@ #define OMAP34XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68012858) #define OMAP34XX_VA_ADDR_MATCH2 OMAP2_L3_IO_ADDRESS(0x68012880) #define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_L3_IO_ADDRESS(0x6C000048) -#define OMAP34XX_VA_CONTROL_STAT OMAP2_L4_IO_ADDRESS(0x480022F0) #define GP_DEVICE 0x300 @@ -79,12 +79,6 @@ static unsigned long omap_sram_base; static unsigned long omap_sram_size; static unsigned long omap_sram_ceil; -extern unsigned long omapfb_reserve_sram(unsigned long sram_pstart, - unsigned long sram_vstart, - unsigned long sram_size, - unsigned long pstart_avail, - unsigned long size_avail); - /* * Depending on the target RAMFS firewall setup, the public usable amount of * SRAM varies. The default accessible size for all device types is 2k. A GP @@ -93,16 +87,7 @@ extern unsigned long omapfb_reserve_sram(unsigned long sram_pstart, */ static int is_sram_locked(void) { - int type = 0; - - if (cpu_is_omap44xx()) - /* Not yet supported */ - return 0; - - if (cpu_is_omap242x()) - type = omap_rev() & OMAP2_DEVICETYPE_MASK; - - if (type == GP_DEVICE) { + if (OMAP2_DEVICE_TYPE_GP == omap_type()) { /* RAMFW: R/W access to all initiators for all qualifier sets */ if (cpu_is_omap242x()) { __raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */ @@ -127,7 +112,7 @@ static int is_sram_locked(void) * to secure SRAM will hang the system. Also the SRAM is not * yet mapped at this point. */ -void __init omap_detect_sram(void) +static void __init omap_detect_sram(void) { unsigned long reserved; @@ -181,7 +166,7 @@ void __init omap_detect_sram(void) cpu_is_omap1710()) omap_sram_size = 0x4000; /* 16K */ else if (cpu_is_omap1611()) - omap_sram_size = 0x3e800; /* 250K */ + omap_sram_size = SZ_256K; else { printk(KERN_ERR "Could not detect SRAM size\n"); omap_sram_size = 0x4000; @@ -213,27 +198,14 @@ static struct map_desc omap_sram_io_desc[] __initdata = { /* * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early. */ -void __init omap_map_sram(void) +static void __init omap_map_sram(void) { unsigned long base; if (omap_sram_size == 0) return; - if (cpu_is_omap24xx()) { - omap_sram_io_desc[0].virtual = OMAP2_SRAM_VA; - - base = OMAP2_SRAM_PA; - base = ROUND_DOWN(base, PAGE_SIZE); - omap_sram_io_desc[0].pfn = __phys_to_pfn(base); - } - if (cpu_is_omap34xx()) { - omap_sram_io_desc[0].virtual = OMAP3_SRAM_VA; - base = OMAP3_SRAM_PA; - base = ROUND_DOWN(base, PAGE_SIZE); - omap_sram_io_desc[0].pfn = __phys_to_pfn(base); - /* * SRAM must be marked as non-cached on OMAP3 since the * CORE DPLL M2 divider change code (in SRAM) runs with the @@ -244,13 +216,11 @@ void __init omap_map_sram(void) omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED; } - if (cpu_is_omap44xx()) { - omap_sram_io_desc[0].virtual = OMAP4_SRAM_VA; - base = OMAP4_SRAM_PA; - base = ROUND_DOWN(base, PAGE_SIZE); - omap_sram_io_desc[0].pfn = __phys_to_pfn(base); - } - omap_sram_io_desc[0].length = 1024 * 1024; /* Use section desc */ + omap_sram_io_desc[0].virtual = omap_sram_base; + base = omap_sram_start; + base = ROUND_DOWN(base, PAGE_SIZE); + omap_sram_io_desc[0].pfn = __phys_to_pfn(base); + omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE); iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n", @@ -345,7 +315,7 @@ u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass) #endif #ifdef CONFIG_ARCH_OMAP2420 -int __init omap242x_sram_init(void) +static int __init omap242x_sram_init(void) { _omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init, omap242x_sram_ddr_init_sz); @@ -366,7 +336,7 @@ static inline int omap242x_sram_init(void) #endif #ifdef CONFIG_ARCH_OMAP2430 -int __init omap243x_sram_init(void) +static int __init omap243x_sram_init(void) { _omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init, omap243x_sram_ddr_init_sz); @@ -422,7 +392,7 @@ void omap3_sram_restore_context(void) } #endif /* CONFIG_PM */ -int __init omap34xx_sram_init(void) +static int __init omap34xx_sram_init(void) { _omap3_sram_configure_core_dpll = omap_sram_push(omap3_sram_configure_core_dpll, @@ -438,7 +408,7 @@ static inline int omap34xx_sram_init(void) #endif #ifdef CONFIG_ARCH_OMAP4 -int __init omap44xx_sram_init(void) +static int __init omap44xx_sram_init(void) { printk(KERN_ERR "FIXME: %s not implemented\n", __func__); |