diff options
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r-- | arch/arm/cpu/arm1136/mx31/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/cpu/arm1136/mx31/relocate.S | 23 | ||||
-rw-r--r-- | arch/arm/cpu/arm1136/mx35/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/cpu/arm1136/mx35/relocate.S | 23 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 29 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap3/Kconfig | 5 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap3/board.c | 11 | ||||
-rw-r--r-- | arch/arm/cpu/pxa/cpuinfo.c | 17 |
8 files changed, 113 insertions, 3 deletions
diff --git a/arch/arm/cpu/arm1136/mx31/Makefile b/arch/arm/cpu/arm1136/mx31/Makefile index 9670ed9382e..dcbd57065bb 100644 --- a/arch/arm/cpu/arm1136/mx31/Makefile +++ b/arch/arm/cpu/arm1136/mx31/Makefile @@ -8,3 +8,7 @@ obj-y += generic.o obj-y += timer.o obj-y += devices.o + +ifndef CONFIG_SPL_BUILD +obj-y += relocate.o +endif diff --git a/arch/arm/cpu/arm1136/mx31/relocate.S b/arch/arm/cpu/arm1136/mx31/relocate.S new file mode 100644 index 00000000000..1c556df71ba --- /dev/null +++ b/arch/arm/cpu/arm1136/mx31/relocate.S @@ -0,0 +1,23 @@ +/* + * relocate - i.MX31-specific vector relocation + * + * Copyright (c) 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/linkage.h> + +/* + * The i.MX31 SoC is very specific with respect to exceptions: it + * does not provide RAM at the high vectors address (0xFFFF0000), + * thus only the low address (0x00000000) is useable; but that is + * in ROM, so let's avoid relocating the vectors. + */ + .section .text.relocate_vectors,"ax",%progbits + +ENTRY(relocate_vectors) + + bx lr + +ENDPROC(relocate_vectors) diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile index c533215c3ac..796db9c7cc7 100644 --- a/arch/arm/cpu/arm1136/mx35/Makefile +++ b/arch/arm/cpu/arm1136/mx35/Makefile @@ -10,3 +10,7 @@ obj-y += generic.o obj-y += timer.o obj-y += mx35_sdram.o + +ifndef CONFIG_SPL_BUILD +obj-y += relocate.o +endif diff --git a/arch/arm/cpu/arm1136/mx35/relocate.S b/arch/arm/cpu/arm1136/mx35/relocate.S new file mode 100644 index 00000000000..43003f8044c --- /dev/null +++ b/arch/arm/cpu/arm1136/mx35/relocate.S @@ -0,0 +1,23 @@ +/* + * relocate - i.MX35-specific vector relocation + * + * Copyright (c) 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/linkage.h> + +/* + * The i.MX35 SoC is very specific with respect to exceptions: it + * does not provide RAM at the high vectors address (0xFFFF0000), + * thus only the low address (0x00000000) is useable; but that is + * in ROM, so let's avoid relocating the vectors. + */ + .section .text.relocate_vectors,"ax",%progbits + +ENTRY(relocate_vectors) + + bx lr + +ENDPROC(relocate_vectors) diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index e599a12b3a5..ef029722b45 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -230,6 +230,11 @@ static void imx_set_wdog_powerdown(bool enable) struct wdog_regs *wdog1 = (struct wdog_regs *)WDOG1_BASE_ADDR; struct wdog_regs *wdog2 = (struct wdog_regs *)WDOG2_BASE_ADDR; +#ifdef CONFIG_MX6SX + struct wdog_regs *wdog3 = (struct wdog_regs *)WDOG3_BASE_ADDR; + writew(enable, &wdog3->wmcr); +#endif + /* Write to the PDE (Power Down Enable) bit */ writew(enable, &wdog1->wmcr); writew(enable, &wdog2->wmcr); @@ -255,6 +260,23 @@ static void clear_mmdc_ch_mask(void) writel(0, &mxc_ccm->ccdr); } +static void init_bandgap(void) +{ + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + /* + * Ensure the bandgap has stabilized. + */ + while (!(readl(&anatop->ana_misc0) & 0x80)) + ; + /* + * For best noise performance of the analog blocks using the + * outputs of the bandgap, the reftop_selfbiasoff bit should + * be set. + */ + writel(BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF, &anatop->ana_misc0_set); +} + + #ifdef CONFIG_MX6SL static void set_preclk_from_osc(void) { @@ -275,6 +297,13 @@ int arch_cpu_init(void) clear_mmdc_ch_mask(); /* + * Disable self-bias circuit in the analog bandap. + * The self-bias circuit is used by the bandgap during startup. + * This bit should be set after the bandgap has initialized. + */ + init_bandgap(); + + /* * When low freq boot is enabled, ROM will not set AHB * freq, so we need to ensure AHB freq is 132MHz in such * scenario. diff --git a/arch/arm/cpu/armv7/omap3/Kconfig b/arch/arm/cpu/armv7/omap3/Kconfig index 4a0ac2c987a..65da6e2c175 100644 --- a/arch/arm/cpu/armv7/omap3/Kconfig +++ b/arch/arm/cpu/armv7/omap3/Kconfig @@ -91,6 +91,10 @@ config TARGET_TWISTER bool "Twister" select SUPPORT_SPL +config TARGET_OMAP3_CAIRO + bool "QUIPOS CAIRO" + select SUPPORT_SPL + endchoice config DM @@ -133,5 +137,6 @@ source "board/matrix_vision/mvblx/Kconfig" source "board/nokia/rx51/Kconfig" source "board/technexion/tao3530/Kconfig" source "board/technexion/twister/Kconfig" +source "board/quipos/cairo/Kconfig" endif diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 347947c4b35..dd53b207f85 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -347,7 +347,16 @@ static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const arg goto usage; } } else if (strncmp(argv[1], "sw", 2) == 0) { - omap_nand_switch_ecc(0, 0); + if (argc == 2) { + omap_nand_switch_ecc(0, 1); + } else { + if (strncmp(argv[2], "hamming", 7) == 0) + omap_nand_switch_ecc(0, 1); + else if (strncmp(argv[2], "bch8", 4) == 0) + omap_nand_switch_ecc(0, 8); + else + goto usage; + } } else { goto usage; } diff --git a/arch/arm/cpu/pxa/cpuinfo.c b/arch/arm/cpu/pxa/cpuinfo.c index 17d8be5b5b1..25de9e5fffb 100644 --- a/arch/arm/cpu/pxa/cpuinfo.c +++ b/arch/arm/cpu/pxa/cpuinfo.c @@ -46,6 +46,13 @@ int cpu_is_pxa27x(void) return id == CPU_VALUE_PXA27X; } +int cpu_is_pxa27xm(void) +{ + uint32_t id = pxa_get_cpuid(); + return ((id & CPU_MASK_PXA_PRODID) == CPU_VALUE_PXA27X) && + ((id & CPU_MASK_PXA_REVID) == 8); +} + uint32_t pxa_get_cpu_revision(void) { return pxa_get_cpuid() & CPU_MASK_PRODREV; @@ -91,13 +98,17 @@ static const char *pxa27x_get_revision(void) id = pxa_get_cpuid() & CPU_MASK_PXA_REVID; - if ((id == 5) || (id == 6) || (id > 7)) + if ((id == 5) || (id == 6) || (id > 8)) return unknown; /* Cap the special PXA270 C5 case. */ if (id == 7) id = 5; + /* Cap the special PXA270M A1 case. */ + if (id == 8) + id = 1; + return rev[id]; } @@ -107,7 +118,9 @@ static int print_cpuinfo_pxa2xx(void) puts("Marvell PXA25x rev. "); puts(pxa25x_get_revision()); } else if (cpu_is_pxa27x()) { - puts("Marvell PXA27x rev. "); + puts("Marvell PXA27x"); + if (cpu_is_pxa27xm()) puts("M"); + puts(" rev. "); puts(pxa27x_get_revision()); } else return -EINVAL; |