From: Chanwoo Choi <cw00.choi@samsung.com> To: kgene.kim@samsung.com, t.figa@samsung.com Cc: linux-kernel@vger.kernel.org, linux@arm.linux.org.uk, ben-linux@fluff.org, arnd@arndb.de, olof@lixom.net, marc.zyngier@arm.com, thomas.abraham@linaro.org, kyungmin.park@samsung.com, cw00.choi@samsung.com, inki.dae@samsung.com, sw0312.kim@samsung.com, hyunhee.kim@samsung.com, yj44.cho@samsung.com, chanho61.park@samsung.com, sajjan.linux@gmail.com, tushar.behera@linaro.org, sachin.kamat@linaro.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCHv4 2/7] ARM: EXYNOS: Support secondary CPU boot of Exynos4212 Date: Fri, 25 Apr 2014 10:16:07 +0900 [thread overview] Message-ID: <1398388572-30239-3-git-send-email-cw00.choi@samsung.com> (raw) In-Reply-To: <1398388572-30239-1-git-send-email-cw00.choi@samsung.com> From: Kyungmin Park <kyungmin.park@samsung.com> This patch fix the offset of CPU boot address and change parameter of smc call of SMC_CMD_CPU1BOOT command for Exynos4212. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> --- arch/arm/mach-exynos/firmware.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index 932129e..aa01c42 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -18,6 +18,8 @@ #include <mach/map.h> +#include <plat/cpu.h> + #include "smc.h" static int exynos_do_idle(void) @@ -28,13 +30,24 @@ static int exynos_do_idle(void) static int exynos_cpu_boot(int cpu) { + /* + * The second parameter of SMC_CMD_CPU1BOOT command means CPU id. + * But, Exynos4212 has only one secondary CPU so second parameter + * isn't used for informing secure firmware about CPU id. + */ + if (soc_is_exynos4212()) + cpu = 0; + exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0); return 0; } static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr) { - void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c + 4*cpu; + void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c; + + if (!soc_is_exynos4212()) + boot_reg += 4*cpu; __raw_writel(boot_addr, boot_reg); return 0; -- 1.8.0
WARNING: multiple messages have this Message-ID (diff)
From: cw00.choi@samsung.com (Chanwoo Choi) To: linux-arm-kernel@lists.infradead.org Subject: [PATCHv4 2/7] ARM: EXYNOS: Support secondary CPU boot of Exynos4212 Date: Fri, 25 Apr 2014 10:16:07 +0900 [thread overview] Message-ID: <1398388572-30239-3-git-send-email-cw00.choi@samsung.com> (raw) In-Reply-To: <1398388572-30239-1-git-send-email-cw00.choi@samsung.com> From: Kyungmin Park <kyungmin.park@samsung.com> This patch fix the offset of CPU boot address and change parameter of smc call of SMC_CMD_CPU1BOOT command for Exynos4212. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> --- arch/arm/mach-exynos/firmware.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index 932129e..aa01c42 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -18,6 +18,8 @@ #include <mach/map.h> +#include <plat/cpu.h> + #include "smc.h" static int exynos_do_idle(void) @@ -28,13 +30,24 @@ static int exynos_do_idle(void) static int exynos_cpu_boot(int cpu) { + /* + * The second parameter of SMC_CMD_CPU1BOOT command means CPU id. + * But, Exynos4212 has only one secondary CPU so second parameter + * isn't used for informing secure firmware about CPU id. + */ + if (soc_is_exynos4212()) + cpu = 0; + exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0); return 0; } static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr) { - void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c + 4*cpu; + void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c; + + if (!soc_is_exynos4212()) + boot_reg += 4*cpu; __raw_writel(boot_addr, boot_reg); return 0; -- 1.8.0
next prev parent reply other threads:[~2014-04-25 1:17 UTC|newest] Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-04-25 1:16 [PATCHv4 0/7] Support new Exynos3250 SoC based on Cortex-A7 dual core Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 1:16 ` [PATCHv4 1/7] ARM: EXYNOS: Add Exynos3250 SoC ID Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-26 0:40 ` Tomasz Figa 2014-04-26 0:40 ` Tomasz Figa 2014-04-25 1:16 ` Chanwoo Choi [this message] 2014-04-25 1:16 ` [PATCHv4 2/7] ARM: EXYNOS: Support secondary CPU boot of Exynos4212 Chanwoo Choi 2014-04-26 0:42 ` Tomasz Figa 2014-04-26 0:42 ` Tomasz Figa 2014-04-26 10:49 ` Kukjin Kim 2014-04-26 10:49 ` Kukjin Kim 2014-04-26 10:49 ` Kukjin Kim 2014-04-25 1:16 ` [PATCHv4 3/7] ARM: EXYNOS: Support secondary CPU boot of Exynos3250 Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 4:30 ` Tushar Behera 2014-04-25 4:30 ` Tushar Behera 2014-04-25 5:43 ` Chanwoo Choi 2014-04-25 5:43 ` Chanwoo Choi 2014-04-25 5:54 ` Tushar Behera 2014-04-25 5:54 ` Tushar Behera 2014-04-25 5:56 ` Chanwoo Choi 2014-04-25 5:56 ` Chanwoo Choi 2014-04-25 1:16 ` [PATCHv4 4/7] ARM: EXYNOS: Enter a15 lowpower mode for Exynos3250 based on Cortex-a7 Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-26 0:25 ` Tomasz Figa 2014-04-26 0:25 ` Tomasz Figa 2014-04-26 0:25 ` Tomasz Figa 2014-04-26 0:30 ` Russell King - ARM Linux 2014-04-26 0:30 ` Russell King - ARM Linux 2014-04-30 8:00 ` Chanwoo Choi 2014-04-30 8:00 ` Chanwoo Choi 2014-04-25 1:16 ` [PATCHv4 5/7] clk: samsung: exynos3250: Add clocks using common clock framework Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-26 0:39 ` Tomasz Figa 2014-04-26 0:39 ` Tomasz Figa 2014-04-26 0:39 ` Tomasz Figa 2014-05-13 11:49 ` Chanwoo Choi 2014-05-13 11:49 ` Chanwoo Choi 2014-05-13 16:28 ` Tomasz Figa 2014-05-13 16:28 ` Tomasz Figa 2014-05-13 16:28 ` Tomasz Figa 2014-05-14 6:57 ` Chanwoo Choi 2014-05-14 6:57 ` Chanwoo Choi 2014-05-14 6:57 ` Chanwoo Choi 2014-05-14 13:45 ` Tomasz Figa 2014-05-14 13:45 ` Tomasz Figa 2014-05-14 13:45 ` Tomasz Figa 2014-04-25 1:16 ` [PATCHv4 6/7] dt-bindings: add documentation for Exynos3250 clock controller Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 1:16 ` [PATCHv4 7/7] ARM: dts: Add device tree sources for Exynos3250 Chanwoo Choi 2014-04-25 1:16 ` Chanwoo Choi 2014-04-25 4:38 ` Tushar Behera 2014-04-25 4:38 ` Tushar Behera 2014-04-25 5:03 ` Chanwoo Choi 2014-04-25 5:03 ` Chanwoo Choi 2014-04-26 0:51 ` Tomasz Figa 2014-04-26 0:51 ` Tomasz Figa 2014-04-26 11:38 ` Tomasz Figa 2014-04-26 11:38 ` Tomasz Figa 2014-04-26 11:38 ` Tomasz Figa 2014-05-09 6:49 ` Chanwoo Choi 2014-05-09 6:49 ` Chanwoo Choi 2014-05-09 8:01 ` Tomasz Figa 2014-05-09 8:01 ` Tomasz Figa 2014-05-09 8:15 ` Chanwoo Choi 2014-05-09 8:15 ` Chanwoo Choi 2014-05-09 1:06 ` Chanwoo Choi 2014-05-09 1:06 ` Chanwoo Choi 2014-05-09 5:02 ` Tomasz Figa 2014-05-09 5:02 ` Tomasz Figa 2014-05-09 7:10 ` Chanwoo Choi 2014-05-09 7:10 ` Chanwoo Choi 2014-05-09 8:01 ` Tomasz Figa 2014-05-09 8:01 ` Tomasz Figa 2014-05-09 8:01 ` Tomasz Figa
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