diff options
| author | Minda Chen <minda.chen@starfivetech.com> | 2024-05-17 06:19:06 +0300 |
|---|---|---|
| committer | Minda Chen <minda.chen@starfivetech.com> | 2024-05-21 04:41:21 +0300 |
| commit | 2ea92a2ccc63283f0e6bb23e8f58a4e43547dd83 (patch) | |
| tree | 12b60a06789251478c45afde74da7ef6bf281b8f /board | |
| parent | fc399f0cfa0b31325b3a750a206656804b963e29 (diff) | |
| download | u-boot-2ea92a2ccc63283f0e6bb23e8f58a4e43547dd83.tar.xz | |
spl: amp: Enable devkits UART2 and move rtos image to memory
Enable devkits 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/devkits/spl.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/board/starfive/devkits/spl.c b/board/starfive/devkits/spl.c index d5f43b4747..d20c74b3a5 100644 --- a/board/starfive/devkits/spl.c +++ b/board/starfive/devkits/spl.c @@ -18,6 +18,8 @@ #define MODE_SELECT_REG 0x1702002c +DECLARE_GLOBAL_DATA_PTR; + int spl_board_init_f(void) { int ret; @@ -163,4 +165,37 @@ 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(45, LOW); + SYS_IOMUX_DOUT(45, 0x4f); + SYS_IOMUX_SET_DS(45, 3); + /*uart2 rx*/ + SYS_IOMUX_DOEN(46, HIGH); + SYS_IOMUX_DOUT(46, 0); + SYS_IOMUX_DIN(46, 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); + } +} |