From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bK0Ah-00062G-34 for barebox@lists.infradead.org; Mon, 04 Jul 2016 09:28:09 +0000 From: Sascha Hauer Date: Mon, 4 Jul 2016 11:27:29 +0200 Message-Id: <1467624459-16448-3-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1467624459-16448-1-git-send-email-s.hauer@pengutronix.de> References: <1467624459-16448-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 02/12] ARM: i.MX: Provide bootsource functions for early boot code To: Barebox List The regular bootsource functions only work in a running barebox, provide functions for early code. This has already been done for i.MX6, this patch adds the same functions for the other SoCs. Signed-off-by: Sascha Hauer --- arch/arm/mach-imx/boot.c | 90 ++++++++++++++++++++++++-------- arch/arm/mach-imx/include/mach/generic.h | 5 ++ 2 files changed, 72 insertions(+), 23 deletions(-) diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c index f6c546d..c72ec61 100644 --- a/arch/arm/mach-imx/boot.c +++ b/arch/arm/mach-imx/boot.c @@ -78,7 +78,7 @@ static void imx25_35_boot_save_loc(unsigned int ctrl, unsigned int type) bootsource_set(src); } -void imx25_boot_save_loc(void) +void imx25_get_boot_source(enum bootsource *src, int *instance) { void __iomem *ccm_base = IOMEM(MX25_CCM_BASE_ADDR); uint32_t val; @@ -88,7 +88,18 @@ void imx25_boot_save_loc(void) (val >> MX25_CCM_RCSR_MEM_TYPE_SHIFT) & 0x3); } -void imx35_boot_save_loc(void) +void imx25_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx25_get_boot_source(&src, &instance); + + bootsource_set(src); + bootsource_set_instance(instance); +} + +void imx35_get_boot_source(enum bootsource *src, int *instance) { void __iomem *ccm_base = IOMEM(MX35_CCM_BASE_ADDR); uint32_t val; @@ -98,6 +109,17 @@ void imx35_boot_save_loc(void) (val >> MX35_CCM_RCSR_MEM_TYPE_SHIFT) & 0x3); } +void imx35_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx35_get_boot_source(&src, &instance); + + bootsource_set(src); + bootsource_set_instance(instance); +} + #define IMX27_SYSCTRL_GPCR 0x18 #define IMX27_GPCR_BOOT_SHIFT 16 #define IMX27_GPCR_BOOT_MASK (0xf << IMX27_GPCR_BOOT_SHIFT) @@ -109,10 +131,9 @@ void imx35_boot_save_loc(void) #define IMX27_GPCR_BOOT_32BIT_CS0 6 #define IMX27_GPCR_BOOT_8BIT_NAND_512 7 -void imx27_boot_save_loc(void) +void imx27_get_boot_source(enum bootsource *src, int *instance) { void __iomem *sysctrl_base = IOMEM(MX27_SYSCTRL_BASE_ADDR); - enum bootsource src; uint32_t val; val = readl(sysctrl_base + IMX27_SYSCTRL_GPCR); @@ -121,20 +142,29 @@ void imx27_boot_save_loc(void) switch (val) { case IMX27_GPCR_BOOT_UART_USB: - src = BOOTSOURCE_SERIAL; + *src = BOOTSOURCE_SERIAL; break; case IMX27_GPCR_BOOT_8BIT_NAND_2k: case IMX27_GPCR_BOOT_16BIT_NAND_2k: case IMX27_GPCR_BOOT_16BIT_NAND_512: case IMX27_GPCR_BOOT_8BIT_NAND_512: - src = BOOTSOURCE_NAND; + *src = BOOTSOURCE_NAND; break; default: - src = BOOTSOURCE_NOR; + *src = BOOTSOURCE_NOR; break; } +} + +void imx27_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx27_get_boot_source(&src, &instance); bootsource_set(src); + bootsource_set_instance(instance); } #define IMX51_SRC_SBMR 0x4 @@ -142,10 +172,9 @@ void imx27_boot_save_loc(void) #define IMX51_SBMR_BT_MEM_CTL_SHIFT 0 #define IMX51_SBMR_BMOD_SHIFT 14 -void imx51_boot_save_loc(void) +void imx51_get_boot_source(enum bootsource *src, int *instance) { void __iomem *src_base = IOMEM(MX51_SRC_BASE_ADDR); - enum bootsource src = BOOTSOURCE_UNKNOWN; uint32_t reg; unsigned int ctrl, type; @@ -158,63 +187,78 @@ void imx51_boot_save_loc(void) ctrl = (reg >> IMX51_SBMR_BT_MEM_CTL_SHIFT) & 0x3; type = (reg >> IMX51_SBMR_BT_MEM_TYPE_SHIFT) & 0x3; - src = locations[ctrl][type]; + *src = locations[ctrl][type]; break; case 1: /* reserved */ - src = BOOTSOURCE_UNKNOWN; + *src = BOOTSOURCE_UNKNOWN; break; case 3: - src = BOOTSOURCE_SERIAL; + *src = BOOTSOURCE_SERIAL; break; } +} + +void imx51_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx51_get_boot_source(&src, &instance); bootsource_set(src); + bootsource_set_instance(instance); } #define IMX53_SRC_SBMR 0x4 -void imx53_boot_save_loc(void) +void imx53_get_boot_source(enum bootsource *src, int *instance) { void __iomem *src_base = IOMEM(MX53_SRC_BASE_ADDR); - enum bootsource src = BOOTSOURCE_UNKNOWN; - int instance; uint32_t cfg1 = readl(src_base + IMX53_SRC_SBMR); switch ((cfg1 & 0xff) >> 4) { case 2: - src = BOOTSOURCE_HD; + *src = BOOTSOURCE_HD; break; case 3: if (cfg1 & (1 << 3)) - src = BOOTSOURCE_SPI; + *src = BOOTSOURCE_SPI; else - src = BOOTSOURCE_I2C; + *src = BOOTSOURCE_I2C; break; case 4: case 5: case 6: case 7: - src = BOOTSOURCE_MMC; + *src = BOOTSOURCE_MMC; break; default: break; } if (cfg1 & (1 << 7)) - src = BOOTSOURCE_NAND; + *src = BOOTSOURCE_NAND; - switch (src) { + switch (*src) { case BOOTSOURCE_MMC: case BOOTSOURCE_SPI: case BOOTSOURCE_I2C: - instance = (cfg1 >> 20) & 0x3; + *instance = (cfg1 >> 20) & 0x3; break; default: - instance = 0; + *instance = 0; break; } +} + +void imx53_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx53_get_boot_source(&src, &instance); bootsource_set(src); bootsource_set_instance(instance); diff --git a/arch/arm/mach-imx/include/mach/generic.h b/arch/arm/mach-imx/include/mach/generic.h index 3b25ecb..50c2bb7 100644 --- a/arch/arm/mach-imx/include/mach/generic.h +++ b/arch/arm/mach-imx/include/mach/generic.h @@ -13,6 +13,11 @@ void imx27_boot_save_loc(void); void imx51_boot_save_loc(void); void imx53_boot_save_loc(void); void imx6_boot_save_loc(void); + +void imx25_get_boot_source(enum bootsource *src, int *instance); +void imx35_get_boot_source(enum bootsource *src, int *instance); +void imx51_get_boot_source(enum bootsource *src, int *instance); +void imx53_get_boot_source(enum bootsource *src, int *instance); void imx6_get_boot_source(enum bootsource *src, int *instance); int imx1_init(void); -- 2.8.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox