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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 13:46:56 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 13:46:56 -0700 |
commit | 7b6181e06841f5ad15c4ff708b967b4db65a64de (patch) | |
tree | bdfcf5b74b692f76581156e452d268b64c795200 /arch/arm/mach-omap2/id.c | |
parent | 72e58063d63c5f0a7bf65312f1e3a5ed9bb5c2ff (diff) | |
parent | bc487fb341af05120bccb9f59ce76302391dcc77 (diff) | |
download | op-kernel-dev-7b6181e06841f5ad15c4ff708b967b4db65a64de.zip op-kernel-dev-7b6181e06841f5ad15c4ff708b967b4db65a64de.tar.gz |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (163 commits)
omap: complete removal of machine_desc.io_pg_offst and .phys_io
omap: UART: fix wakeup registers for OMAP24xx UART2
omap: Fix spotty MMC voltages
ASoC: OMAP4: MCPDM: Remove unnecessary include of plat/control.h
serial: omap-serial: fix signess error
OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish
omap: dma: Fix buffering disable bit setting for omap24xx
omap: serial: Fix the boot-up crash/reboot without CONFIG_PM
OMAP3: PM: fix scratchpad memory accesses for off-mode
omap4: pandaboard: enable the ehci port on pandaboard
omap4: pandaboard: Fix the init if CONFIG_MMC_OMAP_HS is not set
omap4: pandaboard: remove unused hsmmc definition
OMAP: McBSP: Remove null omap44xx ops comment
OMAP: McBSP: Swap CLKS source definition
OMAP: McBSP: Fix CLKR and FSR signal muxing
OMAP2+: clock: reduce the amount of standard debugging while disabling unused clocks
OMAP: control: move plat-omap/control.h to mach-omap2/control.h
OMAP: split plat-omap/common.c
OMAP: McBSP: implement functional clock switching via clock framework
OMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c
...
Fixed up trivial conflicts in arch/arm/mach-omap2/
{board-zoom-peripherals.c,devices.c} as per Tony
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r-- | arch/arm/mach-omap2/id.c | 115 |
1 files changed, 82 insertions, 33 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 9a879f9..5f9086c 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -22,11 +22,12 @@ #include <asm/cputype.h> #include <plat/common.h> -#include <plat/control.h> #include <plat/cpu.h> #include <mach/id.h> +#include "control.h" + static struct omap_chip_id omap_chip; static unsigned int omap_revision; @@ -60,7 +61,7 @@ int omap_type(void) } else if (cpu_is_omap34xx()) { val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS); } else if (cpu_is_omap44xx()) { - val = omap_ctrl_readl(OMAP44XX_CONTROL_STATUS); + val = omap_ctrl_readl(OMAP4_CTRL_MODULE_CORE_STATUS); } else { pr_err("Cannot detect omap type!\n"); goto out; @@ -298,7 +299,6 @@ static void __init omap4_check_revision(void) u32 idcode; u16 hawkeye; u8 rev; - char *rev_name = "ES1.0"; /* * The IC rev detection is done with hawkeye and rev. @@ -309,14 +309,39 @@ static void __init omap4_check_revision(void) hawkeye = (idcode >> 12) & 0xffff; rev = (idcode >> 28) & 0xff; - if ((hawkeye == 0xb852) && (rev == 0x0)) { - omap_revision = OMAP4430_REV_ES1_0; - omap_chip.oc |= CHIP_IS_OMAP4430ES1; - pr_info("OMAP%04x %s\n", omap_rev() >> 16, rev_name); - return; + /* + * Few initial ES2.0 samples IDCODE is same as ES1.0 + * Use ARM register to detect the correct ES version + */ + if (!rev) { + idcode = read_cpuid(CPUID_ID); + rev = (idcode & 0xf) - 1; + } + + switch (hawkeye) { + case 0xb852: + switch (rev) { + case 0: + omap_revision = OMAP4430_REV_ES1_0; + omap_chip.oc |= CHIP_IS_OMAP4430ES1; + break; + case 1: + omap_revision = OMAP4430_REV_ES2_0; + omap_chip.oc |= CHIP_IS_OMAP4430ES2; + break; + default: + omap_revision = OMAP4430_REV_ES2_0; + omap_chip.oc |= CHIP_IS_OMAP4430ES2; + } + break; + default: + /* Unknown default to latest silicon rev as default*/ + omap_revision = OMAP4430_REV_ES2_0; + omap_chip.oc |= CHIP_IS_OMAP4430ES2; } - pr_err("Unknown OMAP4 CPU id\n"); + pr_info("OMAP%04x ES%d.0\n", + omap_rev() >> 16, ((omap_rev() >> 12) & 0xf) + 1); } #define OMAP3_SHOW_FEATURE(feat) \ @@ -361,30 +386,54 @@ static void __init omap3_cpuinfo(void) strcpy(cpu_name, "OMAP3503"); } - switch (rev) { - case OMAP_REVBITS_00: - strcpy(cpu_rev, "1.0"); - break; - case OMAP_REVBITS_01: - strcpy(cpu_rev, "1.1"); - break; - case OMAP_REVBITS_02: - strcpy(cpu_rev, "1.2"); - break; - case OMAP_REVBITS_10: - strcpy(cpu_rev, "2.0"); - break; - case OMAP_REVBITS_20: - strcpy(cpu_rev, "2.1"); - break; - case OMAP_REVBITS_30: - strcpy(cpu_rev, "3.0"); - break; - case OMAP_REVBITS_40: - /* FALLTHROUGH */ - default: - /* Use the latest known revision as default */ - strcpy(cpu_rev, "3.1"); + if (cpu_is_omap3630()) { + switch (rev) { + case OMAP_REVBITS_00: + strcpy(cpu_rev, "1.0"); + break; + case OMAP_REVBITS_01: + strcpy(cpu_rev, "1.1"); + break; + case OMAP_REVBITS_02: + /* FALLTHROUGH */ + default: + /* Use the latest known revision as default */ + strcpy(cpu_rev, "1.2"); + } + } else if (cpu_is_omap3505() || cpu_is_omap3517()) { + switch (rev) { + case OMAP_REVBITS_00: + strcpy(cpu_rev, "1.0"); + break; + case OMAP_REVBITS_01: + /* FALLTHROUGH */ + default: + /* Use the latest known revision as default */ + strcpy(cpu_rev, "1.1"); + } + } else { + switch (rev) { + case OMAP_REVBITS_00: + strcpy(cpu_rev, "1.0"); + break; + case OMAP_REVBITS_01: + strcpy(cpu_rev, "2.0"); + break; + case OMAP_REVBITS_02: + strcpy(cpu_rev, "2.1"); + break; + case OMAP_REVBITS_03: + strcpy(cpu_rev, "3.0"); + break; + case OMAP_REVBITS_04: + strcpy(cpu_rev, "3.1"); + break; + case OMAP_REVBITS_05: + /* FALLTHROUGH */ + default: + /* Use the latest known revision as default */ + strcpy(cpu_rev, "3.1.2"); + } } /* Print verbose information */ |