/*
* The amount of SRAM depends on the core type.
* Note that we cannot try to test for SRAM here because writes
* to secure SRAM will hang the system. Also the SRAM is not
* yet mapped at this point.
*/
static void __init omap_detect_sram(void)
{
omap_sram_skip = SRAM_BOOTLOADER_SZ;
if (cpu_class_is_omap2()) {
if (is_sram_locked()) {
if (cpu_is_omap34xx()) {
omap_sram_start = OMAP3_SRAM_PUB_PA;
if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
(omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
omap_sram_size = 0x7000; /* 28K */
omap_sram_skip += SZ_16K;
} else {
omap_sram_size = 0x8000; /* 32K */
}
} else if (cpu_is_omap44xx()) {
omap_sram_start = OMAP4_SRAM_PUB_PA;
omap_sram_size = 0xa000; /* 40K */
} else {
omap_sram_start = OMAP2_SRAM_PUB_PA;
omap_sram_size = 0x800; /* 2K */
}
} else {
if (cpu_is_am33xx()) {
omap_sram_start = AM33XX_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else if (cpu_is_omap34xx()) {
omap_sram_start = OMAP3_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else if (cpu_is_omap44xx()) {
omap_sram_start = OMAP4_SRAM_PA;
omap_sram_size = 0xe000; /* 56K */
} else {
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_start = OMAP1_SRAM_PA;
if (cpu_is_omap7xx())
omap_sram_size = 0x32000; /* 200K */
else if (cpu_is_omap15xx())
omap_sram_size = 0x30000; /* 192K */
else if (cpu_is_omap1610() || cpu_is_omap1611() ||
cpu_is_omap1621() || cpu_is_omap1710())
omap_sram_size = 0x4000; /* 16K */
else {
pr_err("Could not detect SRAM size\n");
omap_sram_size = 0x4000;
}
}
}
/*
* The amount of SRAM depends on the core type:
* 730 = 200K, 1510 = 512K, 5912 = 256K, 1610 = 16K, 1710 = 16K
* Note that we cannot try to test for SRAM here because writes
* to secure SRAM will hang the system. Also the SRAM is not
* yet mapped at this point.
*/
void __init omap_detect_sram(void)
{
omap_sram_base = OMAP1_SRAM_BASE;
if (cpu_is_omap730())
omap_sram_size = 0x32000;
else if (cpu_is_omap1510())
omap_sram_size = 0x80000;
else if (cpu_is_omap1610() || cpu_is_omap1621() || cpu_is_omap1710())
omap_sram_size = 0x4000;
else if (cpu_is_omap1611())
omap_sram_size = 0x3e800;
else {
printk(KERN_ERR "Could not detect SRAM size\n");
omap_sram_size = 0x4000;
}
printk(KERN_INFO "SRAM size: 0x%lx\n", omap_sram_size);
omap_sram_ceil = omap_sram_base + omap_sram_size;
}
/*
* The amount of SRAM depends on the core type.
* Note that we cannot try to test for SRAM here because writes
* to secure SRAM will hang the system. Also the SRAM is not
* yet mapped at this point.
*/
static void __init omap_detect_sram(void)
{
if (cpu_class_is_omap2()) {
if (is_sram_locked()) {
if (cpu_is_omap34xx()) {
omap_sram_start = OMAP3_SRAM_PUB_PA;
if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
(omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
omap_sram_size = 0x7000; /* 28K */
} else {
omap_sram_size = 0x8000; /* 32K */
}
} else if (cpu_is_omap44xx()) {
omap_sram_start = OMAP4_SRAM_START_PA;
omap_sram_size = OMAP4_SRAM_SIZE; /* 56KB */
omap_sram_size -= OMAP4_SRAM_HS_RESERVE;
omap_sram_start += OMAP4_SRAM_HS_RESERVE;
} else if (cpu_is_omap54xx()) {
omap_sram_start = OMAP4_SRAM_START_PA;
omap_sram_size = OMAP5_SRAM_SIZE; /* 128KB */
omap_sram_size -= OMAP5_SRAM_HS_RESERVE;
omap_sram_start += OMAP5_SRAM_HS_RESERVE;
} else {
omap_sram_start = OMAP2_SRAM_PUB_PA;
omap_sram_size = 0x800; /* 2K */
}
} else {
if (cpu_is_am33xx()) {
omap_sram_start = AM33XX_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else if (cpu_is_omap34xx()) {
omap_sram_start = OMAP3_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else if (cpu_is_omap44xx()) {
omap_sram_start = OMAP4_SRAM_START_PA;
omap_sram_size = OMAP4_SRAM_SIZE; /* 56K */
omap_sram_size -= OMAP4_SRAM_GP_RESERVE;
omap_sram_start += OMAP4_SRAM_GP_RESERVE;
} else if (cpu_is_omap54xx()) {
omap_sram_start = OMAP4_SRAM_START_PA;
omap_sram_size = OMAP5_SRAM_SIZE; /* 128KB */
omap_sram_size -= OMAP5_SRAM_GP_RESERVE;
omap_sram_start += OMAP5_SRAM_GP_RESERVE;
} else {
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_start = OMAP1_SRAM_PA;
if (cpu_is_omap7xx())
omap_sram_size = 0x32000; /* 200K */
else if (cpu_is_omap15xx())
omap_sram_size = 0x30000; /* 192K */
else if (cpu_is_omap1610() || cpu_is_omap1611() ||
cpu_is_omap1621() || cpu_is_omap1710())
omap_sram_size = 0x4000; /* 16K */
else {
pr_err("Could not detect SRAM size\n");
omap_sram_size = 0x4000;
}
}
}
