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ARM: OMAP: SRAM: Split sram24xx.S into sram242x.S and sram243x.S

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Split sram24xx.S into sram242x.S and sram243x.S

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren
2008-07-03 12:24:38 +03:00
parent 373a67021d
commit c2d43e39c7
9 changed files with 603 additions and 103 deletions
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209
arch/arm/plat-omap/sram.c
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@@ -10,6 +10,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/module.h>
#include <linux/kernel.h>
@@ -24,25 +25,43 @@
#include <asm/arch/sram.h>
#include <asm/arch/board.h>
#include <asm/arch/control.h>
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
# include "../mach-omap2/prm.h"
# include "../mach-omap2/cm.h"
# include "../mach-omap2/sdrc.h"
#endif
#define OMAP1_SRAM_PA 0x20000000
#define OMAP1_SRAM_VA 0xd0000000
#define OMAP1_SRAM_VA VMALLOC_END
#define OMAP2_SRAM_PA 0x40200000
#define OMAP2_SRAM_PUB_PA 0x4020f800
#define OMAP2_SRAM_VA 0xd0000000
#define OMAP2_SRAM_PUB_VA 0xd0000800
#define OMAP2_SRAM_VA VMALLOC_END
#define OMAP2_SRAM_PUB_VA (VMALLOC_END + 0x800)
#define OMAP3_SRAM_PA 0x40200000
#define OMAP3_SRAM_VA 0xd7000000
#define OMAP3_SRAM_PUB_PA 0x40208000
#define OMAP3_SRAM_PUB_VA 0xd7008000
#if defined(CONFIG_ARCH_OMAP24XX)
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
#define SRAM_BOOTLOADER_SZ 0x00
#else
#define SRAM_BOOTLOADER_SZ 0x80
#endif
#define VA_REQINFOPERM0 IO_ADDRESS(0x68005048)
#define VA_READPERM0 IO_ADDRESS(0x68005050)
#define VA_WRITEPERM0 IO_ADDRESS(0x68005058)
#define VA_CONTROL_STAT IO_ADDRESS(0x480002F8)
#define OMAP24XX_VA_REQINFOPERM0 IO_ADDRESS(0x68005048)
#define OMAP24XX_VA_READPERM0 IO_ADDRESS(0x68005050)
#define OMAP24XX_VA_WRITEPERM0 IO_ADDRESS(0x68005058)
#define OMAP34XX_VA_REQINFOPERM0 IO_ADDRESS(0x68012848)
#define OMAP34XX_VA_READPERM0 IO_ADDRESS(0x68012850)
#define OMAP34XX_VA_WRITEPERM0 IO_ADDRESS(0x68012858)
#define OMAP34XX_VA_ADDR_MATCH2 IO_ADDRESS(0x68012880)
#define OMAP34XX_VA_SMS_RG_ATT0 IO_ADDRESS(0x6C000048)
#define OMAP34XX_VA_CONTROL_STAT IO_ADDRESS(0x480022F0)
#define GP_DEVICE 0x300
#define TYPE_MASK 0x700
#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
@@ -68,14 +87,21 @@ static int is_sram_locked(void)
int type = 0;
if (cpu_is_omap242x())
type = __raw_readl(VA_CONTROL_STAT) & TYPE_MASK;
type = system_rev & OMAP2_DEVICETYPE_MASK;
if (type == GP_DEVICE) {
/* RAMFW: R/W access to all initiators for all qualifier sets */
if (cpu_is_omap242x()) {
__raw_writel(0xFF, VA_REQINFOPERM0); /* all q-vects */
__raw_writel(0xCFDE, VA_READPERM0); /* all i-read */
__raw_writel(0xCFDE, VA_WRITEPERM0); /* all i-write */
__raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */
__raw_writel(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */
__raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */
}
if (cpu_is_omap34xx()) {
__raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */
__raw_writel(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */
__raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */
__raw_writel(0x0, OMAP34XX_VA_ADDR_MATCH2);
__raw_writel(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0);
}
return 0;
} else
@@ -92,18 +118,30 @@ void __init omap_detect_sram(void)
{
unsigned long reserved;
if (cpu_is_omap24xx()) {
if (cpu_class_is_omap2()) {
if (is_sram_locked()) {
omap_sram_base = OMAP2_SRAM_PUB_VA;
omap_sram_start = OMAP2_SRAM_PUB_PA;
omap_sram_size = 0x800; /* 2K */
if (cpu_is_omap34xx()) {
omap_sram_base = OMAP3_SRAM_PUB_VA;
omap_sram_start = OMAP3_SRAM_PUB_PA;
omap_sram_size = 0x8000; /* 32K */
} else {
omap_sram_base = OMAP2_SRAM_PUB_VA;
omap_sram_start = OMAP2_SRAM_PUB_PA;
omap_sram_size = 0x800; /* 2K */
}
} else {
omap_sram_base = OMAP2_SRAM_VA;
omap_sram_start = OMAP2_SRAM_PA;
if (cpu_is_omap242x())
omap_sram_size = 0xa0000; /* 640K */
else if (cpu_is_omap243x())
if (cpu_is_omap34xx()) {
omap_sram_base = OMAP3_SRAM_VA;
omap_sram_start = OMAP3_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else {
omap_sram_base = OMAP2_SRAM_VA;
omap_sram_start = OMAP2_SRAM_PA;
if (cpu_is_omap242x())
omap_sram_size = 0xa0000; /* 640K */
else if (cpu_is_omap243x())
omap_sram_size = 0x10000; /* 64K */
}
}
} else {
omap_sram_base = OMAP1_SRAM_VA;
@@ -157,6 +195,13 @@ void __init omap_map_sram(void)
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);
}
omap_sram_io_desc[0].length = 1024 * 1024; /* Use section desc */
iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
@@ -191,6 +236,7 @@ void * omap_sram_push(void * start, unsigned long size)
omap_sram_ceil -= size;
omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, sizeof(void *));
memcpy((void *)omap_sram_ceil, start, size);
flush_icache_range((unsigned long)start, (unsigned long)(start + size));
return (void *)omap_sram_ceil;
}
@@ -214,8 +260,9 @@ void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
int __init omap1_sram_init(void)
{
_omap_sram_reprogram_clock = omap_sram_push(sram_reprogram_clock,
sram_reprogram_clock_sz);
_omap_sram_reprogram_clock =
omap_sram_push(omap1_sram_reprogram_clock,
omap1_sram_reprogram_clock_sz);
return 0;
}
@@ -224,7 +271,7 @@ int __init omap1_sram_init(void)
#define omap1_sram_init() do {} while (0)
#endif
#ifdef CONFIG_ARCH_OMAP2
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
u32 base_cs, u32 force_unlock);
@@ -259,19 +306,109 @@ u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass)
return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass);
}
#endif
int __init omap2_sram_init(void)
#ifdef CONFIG_ARCH_OMAP2420
int __init omap242x_sram_init(void)
{
_omap2_sram_ddr_init = omap_sram_push(sram_ddr_init, sram_ddr_init_sz);
_omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init,
omap242x_sram_ddr_init_sz);
_omap2_sram_reprogram_sdrc = omap_sram_push(sram_reprogram_sdrc,
sram_reprogram_sdrc_sz);
_omap2_set_prcm = omap_sram_push(sram_set_prcm, sram_set_prcm_sz);
_omap2_sram_reprogram_sdrc = omap_sram_push(omap242x_sram_reprogram_sdrc,
omap242x_sram_reprogram_sdrc_sz);
_omap2_set_prcm = omap_sram_push(omap242x_sram_set_prcm,
omap242x_sram_set_prcm_sz);
return 0;
}
#else
#define omap2_sram_init() do {} while (0)
static inline int omap242x_sram_init(void)
{
return 0;
}
#endif
#ifdef CONFIG_ARCH_OMAP2430
int __init omap243x_sram_init(void)
{
_omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init,
omap243x_sram_ddr_init_sz);
_omap2_sram_reprogram_sdrc = omap_sram_push(omap243x_sram_reprogram_sdrc,
omap243x_sram_reprogram_sdrc_sz);
_omap2_set_prcm = omap_sram_push(omap243x_sram_set_prcm,
omap243x_sram_set_prcm_sz);
return 0;
}
#else
static inline int omap243x_sram_init(void)
{
return 0;
}
#endif
#ifdef CONFIG_ARCH_OMAP3
static u32 (*_omap2_sram_reprogram_gpmc)(u32 perf_level);
u32 omap2_sram_reprogram_gpmc(u32 perf_level)
{
if (!_omap2_sram_reprogram_gpmc)
omap_sram_error();
return _omap2_sram_reprogram_gpmc(perf_level);
}
static u32 (*_omap2_sram_configure_core_dpll)(u32 m, u32 n,
u32 freqsel, u32 m2);
u32 omap2_sram_configure_core_dpll(u32 m, u32 n, u32 freqsel, u32 m2)
{
if (!_omap2_sram_configure_core_dpll)
omap_sram_error();
return _omap2_sram_configure_core_dpll(m, n, freqsel, m2);
}
/* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */
void restore_sram_functions(void)
{
omap_sram_ceil = omap_sram_base + omap_sram_size;
_omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc,
omap34xx_sram_reprogram_gpmc_sz);
_omap2_sram_configure_core_dpll =
omap_sram_push(omap34xx_sram_configure_core_dpll,
omap34xx_sram_configure_core_dpll_sz);
}
int __init omap34xx_sram_init(void)
{
_omap2_sram_ddr_init = omap_sram_push(omap34xx_sram_ddr_init,
omap34xx_sram_ddr_init_sz);
_omap2_sram_reprogram_sdrc = omap_sram_push(omap34xx_sram_reprogram_sdrc,
omap34xx_sram_reprogram_sdrc_sz);
_omap2_set_prcm = omap_sram_push(omap34xx_sram_set_prcm,
omap34xx_sram_set_prcm_sz);
_omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc,
omap34xx_sram_reprogram_gpmc_sz);
_omap2_sram_configure_core_dpll =
omap_sram_push(omap34xx_sram_configure_core_dpll,
omap34xx_sram_configure_core_dpll_sz);
return 0;
}
#else
static inline int omap34xx_sram_init(void)
{
return 0;
}
#endif
int __init omap_sram_init(void)
@@ -279,10 +416,14 @@ int __init omap_sram_init(void)
omap_detect_sram();
omap_map_sram();
if (!cpu_is_omap24xx())
if (!(cpu_class_is_omap2()))
omap1_sram_init();
else
omap2_sram_init();
else if (cpu_is_omap242x())
omap242x_sram_init();
else if (cpu_is_omap2430())
omap243x_sram_init();
else if (cpu_is_omap34xx())
omap34xx_sram_init();
return 0;
}