On Fri, Apr 13, 2018 at 12:18 AM, Jagdish Gediya <jagdish.ged...@nxp.com> wrote:
> Add command "boot_bank X" to switch the boot bank to either
> 1 or 2.
Are these functions required as this can be handled by new env vars to
switch banks?
>
> Signed-off-by: Jagdish Gediya <jagdish.ged...@nxp.com>
> ---
> board/freescale/ls1012ardb/ls1012ardb.c | 85
> +++++++++++++++++++++++++++++++++
> 1 file changed, 85 insertions(+)
>
> diff --git a/board/freescale/ls1012ardb/ls1012ardb.c
> b/board/freescale/ls1012ardb/ls1012ardb.c
> index ed5a8e6..4d4f6fb 100644
> --- a/board/freescale/ls1012ardb/ls1012ardb.c
> +++ b/board/freescale/ls1012ardb/ls1012ardb.c
> @@ -26,6 +26,9 @@
>
> DECLARE_GLOBAL_DATA_PTR;
>
> +#define BOOT_FROM_UPPER_BANK 0x2
> +#define BOOT_FROM_LOWER_BANK 0x1
> +
> int checkboard(void)
> {
> #ifdef CONFIG_TARGET_LS1012ARDB
> @@ -212,3 +215,85 @@ int ft_board_setup(void *blob, bd_t *bd)
>
> return 0;
> }
> +
> +static int switch_to_bank1(void)
> +{
> + u8 data;
> + int ret;
> +
> + i2c_set_bus_num(0);
> +
> + data = 0xf4;
> + ret = i2c_write(0x24, 0x3, 1, &data, 1);
> + if (ret) {
> + printf("i2c write error to chip : %u, addr : %u, data : %u\n",
> + 0x24, 0x3, data);
> + }
> +
> + return ret;
> +}
> +
> +static int switch_to_bank2(void)
> +{
> + u8 data;
> + int ret;
> +
> + i2c_set_bus_num(0);
> +
> + data = 0xfc;
> + ret = i2c_write(0x24, 0x7, 1, &data, 1);
> + if (ret) {
> + printf("i2c write error to chip : %u, addr : %u, data : %u\n",
> + 0x24, 0x7, data);
> + goto err;
> + }
> +
> + data = 0xf5;
> + ret = i2c_write(0x24, 0x3, 1, &data, 1);
> + if (ret) {
> + printf("i2c write error to chip : %u, addr : %u, data : %u\n",
> + 0x24, 0x3, data);
> + }
> +err:
> + return ret;
> +}
> +
> +static int convert_flash_bank(int bank)
> +{
> + int ret = 0;
> +
> + switch (bank) {
> + case BOOT_FROM_UPPER_BANK:
> + ret = switch_to_bank2();
> + break;
> + case BOOT_FROM_LOWER_BANK:
> + ret = switch_to_bank1();
> + break;
> + default:
> + ret = CMD_RET_USAGE;
> + break;
> + };
> +
> + return ret;
> +}
> +
> +static int flash_bank_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
> + char * const argv[])
> +{
> + if (argc != 2)
> + return CMD_RET_USAGE;
> + if (strcmp(argv[1], "1") == 0)
> + convert_flash_bank(BOOT_FROM_LOWER_BANK);
> + else if (strcmp(argv[1], "2") == 0)
> + convert_flash_bank(BOOT_FROM_UPPER_BANK);
> + else
> + return CMD_RET_USAGE;
> +
> + return 0;
> +}
> +
> +U_BOOT_CMD(
> + boot_bank, 2, 0, flash_bank_cmd,
> + "Flash bank Selection Control",
> + "bank[1-lower bank/2-upper bank] (e.g. boot_bank 1)"
> +);
> --
> 1.9.1
>
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