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Allwinner A133 sunxi-fel and UART support #220

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Merged
paulkocialkowski merged 2 commits into from
Mar 29, 2025
Merged

Allwinner A133 sunxi-fel and UART support #220

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f32929c
fel: add support for Allwinner A133
apritzel Dec 6, 2022
d68d27d
uart0-helloworld-sdboot: add support for Allwinner A100/A133
apritzel Mar 19, 2025
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19 changes: 19 additions & 0 deletions soc_info.c
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,11 @@ sram_swap_buffers h616_sram_swap_buffers[] = {
{ .size = 0 } /* End of the table */
};

sram_swap_buffers a133_sram_swap_buffers[] = {
{ .buf1 = 0x21000, .buf2 = 0x40000, .size = 0x400 },
{ .size = 0 } /* End of the table */
};

/*
* R329 has no SRAM A1, but a huge SRAM A2 at 0x100000. SPL and BROM uses
* this SRAM A2's first part like how other SoCs use SRAM A1. The sp and
Expand Down Expand Up @@ -623,6 +628,20 @@ soc_info_t soc_info_table[] = {
.rvbar_reg = 0x08000040,
.icache_fix = true,
.watchdog = &wd_a523_compat,
},{
.soc_id = 0x1855, /* Allwinner A133 */
.name = "A133",
.spl_addr = 0x20000,
.scratch_addr = 0x21000,
.thunk_addr = 0x40400, .thunk_size = 0x200,
.swap_buffers = a133_sram_swap_buffers,
.sram_size = 148 * 1024,
.sid_base = 0x03006000,
.sid_offset = 0x200,
.sid_sections = generic_2k_sid_maps,
.rvbar_reg = 0x08100040,
.needs_smc_workaround_if_zero_word_at_addr = 0x100004,
.watchdog = &wd_h6_compat,
},{
.swap_buffers = NULL /* End of the table */
}
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2 changes: 2 additions & 0 deletions uart0-helloworld-sdboot.c
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Original file line number Diff line number Diff line change
Expand Up @@ -231,6 +231,8 @@ static const struct soc_info {
H6_UART0_BASE, SUNXI_GPH(0), MUX_2, FLAG_NEW_CLOCK },
{ 0x1851, "R329", R329_PIO_BASE, R329_CCM_BASE, SRAM_A1_ADDR_100000,
R329_UART0_BASE, SUNXI_GPB(4), MUX_2, FLAG_NCAT2 },
{ 0x1855, "A133", H6_PIO_BASE, H6_CCM_BASE, SRAM_A1_ADDR_20000,
H6_UART0_BASE, SUNXI_GPB(9), MUX_2, FLAG_NEW_CLOCK },
{ 0x1859, "R528", V853_PIO_BASE, R329_CCM_BASE, SRAM_A1_ADDR_20000,
R329_UART0_BASE, SUNXI_GPE(2), MUX_6, FLAG_NCAT2 },
{ 0x1886, "V853", V853_PIO_BASE, R329_CCM_BASE, SRAM_A1_ADDR_20000,
Expand Down