diff options
Diffstat (limited to 'arch/arm/boards/tqmls1046a/board.c')
| -rw-r--r-- | arch/arm/boards/tqmls1046a/board.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/boards/tqmls1046a/board.c b/arch/arm/boards/tqmls1046a/board.c index 5d6d5ad62c..8cc4d73de5 100644 --- a/arch/arm/boards/tqmls1046a/board.c +++ b/arch/arm/boards/tqmls1046a/board.c @@ -3,10 +3,15 @@ #include <common.h> #include <init.h> #include <envfs.h> +#include <bbu.h> +#include <bootsource.h> #include <asm/memory.h> #include <linux/sizes.h> #include <linux/clk.h> #include <linux/clkdev.h> +#include <soc/fsl/immap_lsch2.h> +#include <mach/bbu.h> +#include <mach/layerscape.h> static int tqmls1046a_mem_init(void) { @@ -21,11 +26,39 @@ mem_initcall(tqmls1046a_mem_init); static int tqmls1046a_postcore_init(void) { + struct ccsr_scfg *scfg = IOMEM(LSCH2_SCFG_ADDR); + enum bootsource bootsource; + unsigned long sd_bbu_flags = 0, qspi_bbu_flags = 0; + if (!of_machine_is_compatible("tqc,tqmls1046a")) return 0; defaultenv_append_directory(defaultenv_tqmls1046a); + /* Configure iomux for i2c4 */ + out_be32(&scfg->rcwpmuxcr0, 0x3300); + + /* divide CGA1/CGA2 PLL by 24 to get QSPI interface clock */ + out_be32(&scfg->qspi_cfg, 0x30100000); + + bootsource = ls1046_bootsource_get(); + + switch (bootsource) { + case BOOTSOURCE_MMC: + of_device_enable_path("/chosen/environment-sd"); + sd_bbu_flags = BBU_HANDLER_FLAG_DEFAULT; + break; + case BOOTSOURCE_SPI_NOR: + of_device_enable_path("/chosen/environment-qspi"); + qspi_bbu_flags = BBU_HANDLER_FLAG_DEFAULT; + break; + default: + break; + } + + ls1046a_bbu_mmc_register_handler("sd", "/dev/mmc0.barebox", sd_bbu_flags); + ls1046a_bbu_qspi_register_handler("qspi", "/dev/qspiflash0.barebox", qspi_bbu_flags); + return 0; } |