diff options
| author | Minda Chen <minda.chen@starfivetech.com> | 2024-04-12 13:18:02 +0300 |
|---|---|---|
| committer | Minda Chen <minda.chen@starfivetech.com> | 2024-04-26 12:18:29 +0300 |
| commit | 1444304dac5753ace8b3b7e5c0e5671f97e4a657 (patch) | |
| tree | 4ce75a8e8559a1221532372bd7fc05be06c49ea5 /board | |
| parent | 466022f48c865d9e5eb9b4641569053ffd6c79e5 (diff) | |
| download | u-boot-1444304dac5753ace8b3b7e5c0e5671f97e4a657.tar.xz | |
spl: amp: Enable UART2 and move rtos image to memory
Enable UART2 for rtos and move rtos image to running memory.
The image size is 832KB.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/starfive/visionfive2/spl.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/starfive/visionfive2/spl.c b/board/starfive/visionfive2/spl.c index 2149fc519f..bb46f8de2c 100644 --- a/board/starfive/visionfive2/spl.c +++ b/board/starfive/visionfive2/spl.c @@ -18,6 +18,8 @@ #define MODE_SELECT_REG 0x1702002c +DECLARE_GLOBAL_DATA_PTR; + int spl_board_init_f(void) { int ret; @@ -186,4 +188,36 @@ int board_fit_config_name_match(const char *name) } #endif +static void spl_enable_uart2(void) +{ + /* uart2 clock */ + setbits_le32(SYS_CRG_BASE + CLK_UART2_APB_OFFSET, BIT(31)); + setbits_le32(SYS_CRG_BASE + CLK_UART2_CORE_OFFSET, BIT(31)); + clrsetbits_le32(SYS_CRG_BASE + CLK_RSTN_3_OFFSET, BIT(23) | BIT(24), 0); + + /*uart2 tx*/ + SYS_IOMUX_DOEN(43, LOW); + SYS_IOMUX_DOUT(43, 0x4f); + SYS_IOMUX_SET_DS(43, 3); + /*uart2 rx*/ + SYS_IOMUX_DOEN(42, HIGH); + SYS_IOMUX_DIN(42, 62); +} +void spl_perform_fixups(struct spl_image_info *spl_image) +{ + unsigned long rtos_offset, rtos_image_addr; + unsigned long rtos_base; + + rtos_base = fdtdec_get_config_int(gd->fdt_blob, + "amp,rtos-code-base", 0); + rtos_offset = fdtdec_get_config_int(gd->fdt_blob, + "amp,rtos-offset", 0); + + if (rtos_base && rtos_offset) { + spl_enable_uart2(); + rtos_image_addr = CONFIG_SPL_OPENSBI_LOAD_ADDR + rtos_offset; + memcpy((void *)rtos_base, (void *)(rtos_image_addr), + spl_image->size - rtos_offset); + } +} |